MONTHLY WEATHER REPORT
Boise, Idaho (914.0 mb.)
Acting Editor, Robert N. Culnan
Caribou, Maine Charleston, 8. C. V'etorial Columbia Mo.
(888.3 m'b.) Mexico (974.6mb.)
Brownsville. Tex. Buffalo N Y. (1,013.1 mb.) (9W.9'rnd.) (994.6mb.) (1,015.9 mb.)
VOL. 75, No. 10 W. I3. No. 1503
868 100
645 988 1,480 1,984 2,517 3,073 3,666 4,296 4,970 6,703
. 6,496 7,357 8.308 9,372 10,581 12,029 12,894 13,930 -_-____
OCTOBER 1947
13.1 68 (9 ___- (9 ___. 14.8 47 12.1 46 8.5 60 4.8 66
.9 63 -2.9 62 -6.5 83 -10.2 57 -14.3 52 -19.8 58 -26.0 ___- -33.4 __._
-41.6 ____ -60. 7 ___- -67.6 __._
-50.9 ____ -62.5 ____
~
---.____-
CLOSED DECEMBEE 5, 1947 ISSUED JANUARY 15, 1948
6 120 575 1 038 1:629 2,044 2,594 3,161 3,776 4,417 5,113 5,861 6,6S6 7,561
8,643 9,643 10,899 12,3iO
13,213 14.166 15,236
METEOROLOGICAL AND CLIMATOLOGICAL DATA FOR OCTOBER 1947
AEROLOGICAL OBSERVATIONS
24.3 82 24.6 79
21.9 75 19.4 64 17.1 65 14.7 44 11.9 41 8.1 46 4.5 43 1.0 34 -3.0 ____ -7.6---- -12.7 ____ -18.9 ____ -25.3 ____ -33.2 --__ -42.6 -___ -53.3 ____ -69.3 ____ -66.3 ____ -70.9 ____ -
[For description of change in Table 1 and charts, w REVIEW, January 1946, p. 61
TABLE 1.-Mean dynamic height (geopotentiaz) in units of 0.98 d namie meters, temperature in degreea centigrade, and rehtiue humidity in percent, for standard pressurea, as oltained by radiosondes during October 1947
BTATIONS AND MEAN SURFACE PRESSURES
Auburn, Calif. (1,OoQ.Q mb.) I (838.0 mb.) I (1,016.5 mb.) I (W.6mb.) I (956.7 mb.) (926.3 mb.) Atlanta, Ga. Albany, N. Y. Albuqurrque. N. Mex. Apalachlcola. Fla.
221 169 805
1,068 1,635 2,037 2,672 3.128
3,728 4,359 6,040 6,770 6.5i3 7.428 8,378 9,440 10,859 12,078
12,921 13,872 - - - - - - -
31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 30 26 17 12
13.1 74
(*) _.__
14.6 62 12.2 60 10.1 63 8.0 46 5.6 44 2.8 39 -.e 39 -4.5 35 -8.5 __._
-13.4 __..
-19.2 .-.. -25.9 ._.. -33.6 ___.
-42.0 __..
-60.7 ____ -68.0 ____ -60.4 ____ -61.4 ____ - - - - - - - - - - -
86 11.6 77 167 12.8 73 606 13.2 64 1,053 10.6 06
1.628 8.0 66 2,027 6.6 63 2,659 4.1 49 3,113 1.0 48 3,712 -1.9 44 4,338 -5 3 37 6,019 -9.6 34 6.745 -14.3 ____ 6. 644 -m. 1 __-- 7,399 -%.E ___- 8.348 -34.2 ____ 9,408 -42.4 ____ 10.616 -51.2 ____ 12.068 -67.9 ____ 21,895 -69.1 ____ 13,858 -69.4 ____
191 145 , 572 1,016 1,483 1,974 2,498 3,045
3,633 4,256 4,924 5.614 6,431 7,276 8,226 9,278 10,401 11,930 12,786 13, i58
31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 30 30 28 22 8
7.3 77
(*) __._
8.7 67 6.7 67 4.2 66 2.1 69 .2 58
-2.1 63 -6.3 46 -8.8 44 -12.9 42 -17.5---- -22.3 ____
-35.4 ___.
-43.0 ___.
-60.2 ___.
-55.4 ___.
-64.1 ____ -56.1 _.__
-m.4 ____
1,620 17. 75 (*I 534 (;)
k E 13 2,015 15. 2,Miz 11. 3, 131 7. 3,739 2.
4.3i6 -2.
6,061 -7. 5,798 -11.
6.806 -17. 7,470 -23.
8,432 -30. 9,508 -39.1 IO, 731 -47. 12.180 -54. 13,036 -67.1 14,011 -60. 16,147 -63.1
31 31 31 31 31 31 31 31 31 30 30 30 29 29
29 28 28 20
10
7
___
13 19.3 91 149 20.3 85 594 18.4 78 1,054 15.6 76
1,538 12.7 74 2,045 10.1 68
2,584 7.6 61 3.146 4.4 54 3, 746 1.1 47 4,386 -2.3 43 5,070 -6.6 45 5,811 -11.4 ____ 6,621 -17.1 ___.
7,489 -23.2 ____ 8,453 -30.4 ____ 9,528 -38.5 ___.
10.756 -47.6 ____ 12,210 -55.0 __..
13,076 -68.2 ___.
14,039 -62.4 ____ _--_-._ .__-._ ____
31 31 31 31 31 31 31 31 31 31 31 30
30 30 30 30 30
26 I8 5
.__-
29 29 29 29 29 29 29 29 29 29
29 28 27 27 24 24 24 22 16 9
335 106 560 1,030 1.521 2,036
2,534 3,151 3,762 4,406 6,102 5,847 6,670 7,649
8,534 9, a 4 10,887 12,354 13,178 14,132
-.-__ _-
31 31 31 31 31 31 31 31 31 31 31 30 30 30 30 30 30 30 29 29 13
24.8 76 31 (9 ____ 31 23.5 74 31 20.1 76 31 16.7 77 31 13.8 73 31 10.9 68 31 7.9 61 31 4.1 64 30 .2 61 30 -3.1 62 30 -7.6 43 30 -13.0 .___ 30 -18.5 .___ 29 -26.4 ____ 29 -33. 6 ____ 29
-43.5 ____ 29
-55.1 ____ 26
-61.9 ____ 20 -68.5 .___ 19
-_____ ____ 10
239 136
682
1,041 1,526 2,035 2,675 3,138 3,745 4,382 6,067
480a 6,612 7,471
8,430
10,722 9.602
12, 160 12,996 13,961
15,100
31 31 31 31 31 31 31 31 31 31 30 30 30 30 28 27 26
27 17 6
-_-
17.7 70
(9
16.3 61 13.7 Bo 11.3 61 8.4 47 4.9 44 1.6 39 -23 a8 -6.9 39 -11.7 38 -17.4 ____ -24.1 ____ -31.6 ____
-55.2 ____ -67.0 ____ -69.8 ____ -62.2 ____
18.7 --aa
-40.0 -48.7 ____ ____
31 31 31 31 31 31 31 31 31 31 31 31 31 2s 27 27 26 19 10 5
.--
---I
See footnotes at end of table.
568774--47 193
MONTHLY WEATHER REVIEW OCTOBEB 1047 194
Dodge City, Kans. El Pnso, Tex. Ely, Nev. Fort Worth. Tex. G~SSKOW, Mont. (924.1 mb.) (SSO.8 mb.) (808.5mb.) (990.3 mb.) (936.1 mb.) Grand Junction, Colo. Great Falls, Mont. (862.5 mb.) (884.0 mb.)
22.4 64 31
(*) .... 31
22.8 56 31 19.6 57 31 15.8 60 31 12.5 53 31 9.1 53 31 6.1 39 31
2.2 32 31 -1.5 .... 30 -6.0 .... 30 -11.1 ..-. 30 -16.9 .... 30 -23.4 .--. 29 -31.1 .___ 28 -39.6 .-.. 27 -48.3 .-.. 26
-56.0 __.. 25 -59.6 .... 22
-63.R ..-- 16 -67.5 .... 9
Burfnce ........
1,ooO ...........
850 ............ 800 ............ 850 ............ 800 ............ 760 ........... 700 ........... 850 ............ 800 ............ 660 ............ Joo ............ 4W.. .......... 400~ ........... 350 ............ 300 ............ 250 ............ 200 ............ 175 ............ 1,W ............ 125
Surface ........
950 ............
800 ............
RM) ............
800 ............ 750 ............
700 ............ W ............ 600 ............
1,000 ...........
,550 ............
500 ............
450 ............ 400 ............ 350 ............
300 ............ 250 ............
am ............
175 ............
125 ............ 150 ............
100 ............
See footnotes
648 10.4 60 31 90 (*) .___ 31
527 (*) ___. 31 9i6 12.8 49 31 1,454 10.2 49 31 1.956 7.4 51 31
2,488 4.7 48 31 3,044 1.6 49 31 3,641 -1.9 52 31 4.272 -5.5 53 31 4.949 -9.8 48 31
5.619 -14.5 47 31
$415 -20.0 47 31 8,335 -25.9 .... 31 8.292 -32.7 -. -. 29 0.364 -40.8 .___ 29 10.577 -49.2 ___. 25 12,013 -55.1 .___ 14
13.829 -56.0 ........ 14,971 -57.2 ........
12,859 -58.1 __._ 6
Greensboro, N. C. Hntteras. N. C. Havana. Cuba 1 Honolrilu. T. H. Huntlngt.on. W. Vn. Internatlonnl Falls, Jollet, Ill. (W8.6 mb.) (1,019.5 mb.) (--.- mb.) (1,015.3 mb.) (899.0 mb.) Minn. (973.4 mb.) (996.6 mb.) - - -~-- __--___ __
31 9 3 15.0 87 31 3 20.4 86 ..................... 31 3 27.3 63 31 172 14.3 83 31 360 9.9 73 31 178 14.0 81 31 l i 5 (*) .... 31 161 20.3 79 ..................... 31 138 25.9 65 31 163 (*) .... 31 133 (*) .... 31 148 (*) ....
31 1,Oil 13.7 75 31 1.063 15.0 GY ..................... 31 1,056 18.5 76 31 1,WO 14.1 64 31 1,013 9.7 63 31 1,M5 14.1 63 31 1,551 11.0 73 31 1,547 12.4 65 ..................... 31 1.W 15.8 67 31 1.511 11.2 65 31 1,486 8.4 54 31 1,526 12.4 52 31 2,055 8.3 65 31 2.053 9.8 5!r .................... 31 z.o.?a 14.2 47 31 2.014 8.3 65 31 1.986 6.6 49 31 2.032 9.8 52 31 2.592 5.3 61 31 2,591 7.6 46 ..................... 31 2.603 12.5 32 31 2.579 5.6 63 31 2.518 4.7 47 31 2,508 6.: E2
31 3.744 -. , 52 31 3.7.19 .4 42 ..................... 30 3.791 fi.0 .... 31 3,735 -.7 59 31 3,667 -1.2 44 31 3,731 .4 43 31 4.379 -4.3 50 31 4,3@ -3.0 42 ..................... 30 4,439 2.1 .... 31 4 368 -4.3 68 31 4 303 -5.1 48 31 4 365 -3.5 37
31 5,794 -13.0 43 31 5,809 -11.6 ......................... 30 5 ,W -7.1 .... 31 5,782 -13.4 42 30 5,712 -14.1 43 31 5,781 -12.9 .... 31 6,597 -18.4 .... 31 6.618 -17.3 ......................... 30 6.X9 -12.6 .... 31 6.580 -19.1 43 28 8,508 -19.5 47 31 6.583 -18.5 .... 31 7.459 -25.0 .... 31 7,482 -23.3 ......................... 30 7.591) -18.6 .... 30 7.438 -25.6 .... 28 1 368 -26.0 .... 31 7.445 -?A.9 .... 31 8,415 -32.5 .... 30 8,442 -30.7 ....... : ................. 29 8.572-25.9 .... 30 8,392 -33.2 .... 27 8132 -33.2 .... 31 8,401 -32.1 .... 30 9,484 -40.8 .... 30 9,616 -39.1 ......................... ZQ O,BRR -34.3 .... D 9,463 -41.4 .... 26 9.382 -41.5 .... XI 9,495 -40.1 .... 28 10.70'2 -40.8 .... 30 10,740 -48.3 ......................... ?i 10.9?1 -43.3 .... 29 10,676 -50.5 .... 25 10.501 -50.7 .... 25 10,715 --.19.1 .... 23 1?,131 -56.7 .... 23 12,176 -55.7 ......................... 26 12,391 -53.3 .... 27 12.105 -57.3 .... 21 12,024 -57.1 .... 22 12.155 -57.4 ....
18 12,972 -59.3 .... lS 13,015 -58.4 ......................... B 13.240 -58.6 .... 26 12.949 -59.5 .... 17 12.858 -58.6 .... 19 13,OW -59.1 .... 10 13,917 -62.6 .... 8 13,992 -61.1 ......................... 15 14,214 -G2.7 .... 23 13,905 -61.7 .... 6 13,W -57.7 .... 13 13,951 -tM.3 .... .......................................................................... 7 15,300 -ffi.O .... 10 15,005 -63.e ......................... 7 15,035 -63.0 ....
31 614 15.9 76 31 l3N 17.7 74 ..................... 31 589 22.1 71 31 607 16.8 65 31 560 10.9 66 31 590 16.5 68
31 1,147 2.2 64 31 3,152 4.4 43 ..................... 3rJ 3.17s 9.G ?G 31 3.137 2.5 61 31 3 .0 i 5 2.3 44 31 3,129 3 .t 48
31 5.061 -8.2 45 31 5.072-fi.9 ......................... 30 5,135-2.2 .... 31 5:048--8.4 60 30 4:978-9.3 46 31 5:048-7.9 41
Lander, Wyo. LRS Vegas. Nev. Little Rock, Ark. hfazatlan, Mexico hfedford. Oreg. hlerida, Mexico
(1,015.0 mb.) (828.3 mb.) ( 45.5 mb.) (1,006.9 mb.) (eS7.0 mb.) (1,009.2 mb.) (1,007.4 mb.)
Lake Charles, La.
31 5 21.6 82 31 1,696 10.2 53 30 574 21.2 33 31 79 13.0 p3 31 14 28.2 74 31 401 14.d 70 25 27 26.0 81
31 537 20.8 71 31 537 (*) .... 30 530 (9 .... 31 585 19.9 64 31 E33 24.5 66 31 5.56 14.6 63 28 560 22.3 80
31 1.048 17.5 73 31 993 (9 .... 30 1.001 21.3 23 31 1,046 16.6 66 31 1.009 22.7 60 31 1,WG 11.6 65 28 1,023 19.4 78 31 1,534 14.2 73 31 1.47s (9 .... 30 1,492 17.3 31 31 1,530 13.3 66 31 1,503 19.9 57 31 1.481 8.2 70 28 1,519 16.3 77 31 2,044 11.5 6s 31 1,996 11.3 46 30 2.005 13.0 35 31 2.0HS 1!.4 53 31 2.025 16.8 W 31 1.979 4.8 72 28 2,033 13.4 76 31 2.587 8.4 52 31 2.625 7.! 44 30 2.648 8.5 40 31 2,577 1.3 56 31 2,576 13.4 46 31 2,507 2.0 71 23 2,581 10.4 68
31 3.147 5.5 39 31 3.057 3. a 40 30 3.109 4.6 40 31 3.138 4.5 47 31 3.149 9.4 49 31 3,058 -.4 70 28 3,147 8.3 M
31 3.752 2.3 33 31 3.635 -.6 49 30 3.711 .8 39 31 3.735 1.0 42 30 3,761 5.1 49 31 3.651 -3.0 66 27 3,759 5.4 47
31 4,392 -1.5 .... 31 4.319 -4.6 49 30 4.348 -2 .i 36 31 4.377 -2.8 .... 30 4.408 .8 45 31 4,274 -7.2 57 27 4.406 2.3 ....
31 6.623 -16.4 .... 31 (5 % -19.9 49 30 6:572 -17.8 39 29 6,601 -17.7 .... 30 6.673 -13.3 .... 31 6.4G -21.0 .... 26 6 ,W -11.7 ....
__ - -
31 135 23.4 76 31 91 (*) .... 30 sa (*) .... 31 13s 19.5 78 31 60 2i.5 73 31 115 (*) ... 28 109 25.4 80
31 5,077 -5.7 .... 31 5,003 -8.8 45 30 5,032 -6.6 34 20 5.061 -6.8 .... 30 5.101 -3.3 .... 31 4.84~ -10.9 51 26 5,103 -1.5 .... 31 5.619 -10.8 .... 31 5 731 -13.8 44 30 6 769 -12.0 36 29 5.799 -11.9 .... 30 6.851 -7.9 .... 31 5 .m -15.5 w 26 5,855 -6.4 ....
31 7,499 -22.6. .. 31 7.335 -26.5 .... 30 7.436 -24.4 .... 29 7.165 -3.2 .... 30 7.5,W -18.8 .... 31 7.322 -27.0 .... 26 7.565 -17.5 .... 31 8.465 -29.6 .... 31 8.336 -33.4 .... 30 8,394 -32.1 .... 29 8.424 -31.4 .... 29 8.530 -26.2 .... 31 8,271 -34.2 .... ,26 8.550 -24.5 .... 31 9.547 -37.5 .... 31 9.400 -41.0 .... 30 9,4m -40.3 .... YJ 0.500 -39.7 ... 29 9.626 -34.3 .... 31 9,333 -41.7 ... 25 9,651 --33.3 ....
31 E ,B ~ -54.7 .... XI 12.039 -58.6 .... 21 12.13 -%.a .... 12, i i 3 -55 1 .... 12.345 -54.5 .... 31 11.985 -55.9 .... 19 i 2 ,3 ~ -55.8 ....
xi 13.076 -59. 6 .... 22 E, 574 -56.8 .... 27 12,970 -59.1 .... 19 I ~,I X -58. r, .... 213 13.164 -61-1.8 .... a 12.~37 -58.9 .... 11 13.205 -62.8 ....
2 15.1% -w.9 17 15.04~ -M.B s IS. 114 --w.z a 15,255 -72.5 5 i 4 .w -63.2
31 10,782 -46.1 .... 31 10,612 -,W.4 .... 29 10,694 -49.2 .... 28 10.719 -4R.2 .... 223 10,YSO -43.5 .... 31 10,547 -49.6 ... 23 10.904 -43.7 ....
28 14.023 -61.7 .... 14 13,?47 -58.3 .... B 13,940 -61.9 ... 13 1%9!1% -fi2.5 ... 21 14.143 -67.1 .... 12 13,859 -61.4 .........................
10 16,465-71.2 ......................... 7 16,380-66.0
.... ......................... ......................... .... ....
............................................................................
a t end of tRhle.
1,474 13.4 57 101 (*) .-.. 553 (*) .-..
1.015 (*) .-..
1.498 (9 ....
2,010 12.3 50 2, 552 8.5 52 3,114 4.2 56
3,715 -. 1 57 4,349 -4.5 56
5,!31 -9.0 55 5. 161 -13.6 51
e, 560 -19.3 48 7,418 -25. I ____
9.440 -41.3 __ -. 8.375 -32.9 ._..
10,656 -49.3 .... 12.054 -54.8 ___.
12,893 -54.0 __._
.......
....... 1::::::I::::l.
31 1.128 10. 31 84 (*)
31 529 (*)
31 984 (*)
31 1.454 10.
31 1,955 6.
31 2,488 3. 31 3.040
31 4.261 -6. 31 4,938 -11. 31 5,680 -15. 31 6,453 -21. 31 7,303 -27. 31 8,248 -35. 31 9,305 -43. 30 10,516 -50. 24 11,972 -56.
10 13,8O4 -59.
31 3 .m -3:
19 12,833 -58.
___I ....... 1 .....
OCToBEB194T . MONTHLY WEATHER REVIEW 196
Nantucket, Mass.
I (1,014.3 mb.) I (1,019.0 mb.)
Miami, Fla. Ogden Utah (863.9'mb .)
Nashvllle Tenn. New Orleans, La. North Plntte. Ntbr. Oakland. Calif. (996.6 Ab.) (1,015.5 mb.) (916.2 mb.) (1,014.4 rub.)
--
Burface ........ 1.W.. ........
950... ......... 800.-. ......... 850 ............ W... ......... 750 ............ 700 ............ 650... ......... 800 ............ MO ............ 600 ............ 450 ............ 400 ............ 350 ............
2.50... ......... 200 ............ 175 ............ 150 125~
100
m... .........
-- _--- - - - -- -- - -
-----I
- - - -- - -- -- -_
31 4 24.2 84 31 14 12.3 88 30 1Ro 18.8 74 31 2 22.7 82 31 (HI, 13. 31 128 23.9 83 31 172 13.8 80 30 lLW PJ .... 31 136 23.2 76 31 99 (*)
31 579 21.1 83 31 609 12.9 60 30 5% 15.4 68 31 565 20.; 70 31 514 (*)
31 1,C43 18.3 i 8 31 1,058 11.3 48 30 1,OM 15.3 70 31 1.048 17.3 71 31 999 16. 31 1,%2 15.3 78 31 1,633 9.3 41 30 ].E37 12.5 6; 31 1.534 13.9 70 31 1.485 14.
31 2,044 12.4 75 31 2,034 7.3 41 30 2.043 9.6 133 31 2,043 11.1 61 31 1.995 11. 31 2,584 9.6 68 31 2.567 5.2 34 30 2.679 6.7 62 31 2.583 8.7 52 31 2.536 *8.
31 3,153 6.6 80 31 3,123 2.2 34 30 3,141 3.6 59 31 3.147 5.8 42 31 3,m8 4.
29 F,O93 -4.0 51 30 5.029 -8.8 .... 2i 5,066 -7.1 .... 30 5.0i9 -5.5 .... 30 5.016 -8. 29 5,842 -8.3 50 30 5,761 -13.9 .... 27 5,802 -11.7 .... 30 5.8W -10.2 .... 30 5,745 -13. 29 6.659 -13.4 45 29 6,&3 -19.5 .... 26 6,607 -17.4 .... 29 6.638 -15.7 .... 30 b.644 -19. 29 7,540 -10.3 57 29 7,423 -26.1 .... 25 7,474 -23.8 .... 2(1 7,507 -22.1 .... 30 7,401 -26. 29 8,519 -26.0 .... 29 R.375 -33.5 .... 24 8,438 -31.1 .... 29 6.475 -23.8 .... 30 8,3,52-33.
25 10,668 -4% 7 .... 23 10.652 --.W. 6 .... 23 10. 732 -46.6 .... 28 10, SO1 -45.3 .... 30 10.632 -49. 17 12,330 -54.0 .... 17 W,O% -68.7 .... 22 12.liO -55.9 .... 24 12,257 -54.8 .... 311 12.071 -55.
10 13,155 -59.9 ......................... 20 13,012 -58.6 .... 17 13,107 -60.0 .... 29 12,924 -57.
...................................................... 15 13,980 -61.4 .... 13 14,051 -65.0 .... 27 13.9W -GO. ..................................................... 7 15.069 -132.5 .... 5 15,131 -69.0 .... 16 15.067 -64. ................................................................................................ 1 16,451 -66.
31 3,756 3.1 61 30 3.519 -.9 34 29 3,743 .2 54 31 3.750 2.2 .... 31 3,701 . 30 4.403 -.3 65 30 4.351 -4.6 .... 28 4,378 -3.3 45 30 4.393 -1.4 .... 31 4,335 -4.
28 9.614 -34.4 .... 9,447 -41.2 .... a 9,512 -39.2 .... a 9.561 -36.5 .... 30 9,416 -40.
30 30 30 30 30 30 30 30
30
30
30
30 29
28 25 12
3n
30
..
...
-..
63
58 53
5r 55 51 49
50
4s
49 45
...
...
.-.
...
.. .. ... ....
-..
....
6
1%
570
1,021
1.501
2.006
2,547
3.105 3,707 4,346 5,033
6.SS-5
,.451 S.419 9.4R7
19.725 12. 192
s .7 ~
31 31 31
31 31
31
31
31 31 31
31
31
31
31
31 31 31 29 28
19 16
16.6 76 16.1 55 14.7 69
13.0 55 12. 1 44
g.8 40 ,.l 39 4.4 41
1.4 36 -2.1 38 -6.3 43
-1b.2 49 -22.6 ... -29.8 ....
-38.1 ....
-47.2 .-..
-55.0 ....
-in. 8 45
................
...............
................
1,365 103 552 1,014 1.491
2.ooo 2.W9 3,@97 3.696 4,327
5,009 5.736 6.535 7.391 8.342 6.406 10,618 12.052 12.901 13.875 15.014
Oklahoma City, Okh. Omaha, Nebr. Phoenix Ariz. Pittsburgh, Pa. Portland, Maine I Rapid City, S. Dak. I 6t. Cloud Mlnn.
(969.3 mb.) (978.6mb.) (971.5 Ab.) (975.5mb.) (1,016.8 mb.) (901.1 mb.) (977.2 Ab.)
12.
(*)
(*) 13. 10.
6.
2.
-1.
-5. -9. -14. -19. -26. -33. -41.
-50.
- 56. -58. -60. -63.
(*)
Surface-. - - - - - - 1,ooo __._ -. . - - -.
960--.---..-.-- 800 ............ 850- - - - . . - . - - - - 800 ............ 7m0.-. ......... 700--. ......... 660 ............ 600. ........... 560 ............ 600- - 450. - -. -. . - - - - 400 ............ 350. - _. . -. -. 300.
250 ............
200.. .......... 175- -.- ._.._ -.
150-- .......... 125- ........... 100.- ..........
- - - -. -. -.
-.
- -. -. - - - -
391 118 567 1,032 1,620 2,031 2,672 3,137 3,739 4,380 6.065 5,802 6,605 7.471 8,444 9.521 10.746 12,197
13,042 14.CNI8 15,122 16,452
30 30 30 30 30 30 30 30 30 30 30 30 30 29
2 i 25
25
24 24
23 15 5
19.6 69
21.3 61 18.9 61 15.3 64
11.8 61
9.1 50 5.5 46
1. 8 41
-2.1 36 -6.8 37 -11.9 37 -17.5 .... -23.8 --..
-30.7.... -39.1 ___.
-48.0 ___.
-55.2....
-59.2 ____ -61.2 .___
-64.8 ..-- .
-65.8 ..__ -
(*) .__. 308
120
563
1,023
1,W 2.017 2.557
3.120 3,721 4.358 5,046 5,780 6,581 7,439 8,393 9,459
10,674 12.113 12,951 13,917
30 30 30 30 30 30 30 30 30 30 ZfI
28
28
28
25 17
14
m
m m
___ -.-
17.5 68
18.1 61 16.5 5 i 14.1 51 11.4 54 8.1 54
4.5 51 .7 51 -3.6 4i -8.2 44 -13.4....
-19.0 ____ -25.8 _._. -33.0 . - ~.
-41.1 .-~.
-49.9 .___
-56.8.... -58.2 ..__
--60.6 ..--
(*) ..-.
339 84
639
1,008 1.501
2.017
2,561 3.12; 3,735 4.375 5.064 6,804 6,612
7,478 8,438 9,611
10.734 12.176 13.019 13,986 ....... ....... 1: :::::I:::: I:
22.5 40 31 (*) ____ 31 25.9 29 31 22.4 29 31 18.3 32 31 14.1 37 31 10.1 40 31 6.4 41 31
2.9 36 31
-1 .z 31 31
-5. I 32 31 -10.9 34 31 -17.0 36 31
-23.9 40 31 -31.3 .___ 31 -39.7 .___ 30 -48.3 .._. 30 -55.8.-.. 29 -59.1 .... 26
-61.6 .... 19
31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 30 2i
10
382 169 614
1,066 1.545
2,049 2.599
3,141 3.i45 4.374 5.061 5.788
1.4.50 8,403 9,476 10.692 12.129 13, 9i5 13.921
6,593
15.4 66
(*) ____ 16.6 63 14.2 61 11.2 60 8.6 54
5.6 52
2.8 44 --.4 43 -4.0 38 -8.1 .... -13.0 .... -18.8 .... -25.4 .... -32.9....
-41.0 .... -49.2 ....
-56.G ..-. -59.2 ....
-61.4 ....
.................
.................
.......
....... I::::::/::::/::::l
20
159 596
1,044 1.518
2,017 2,548
3,101 3.695 4.326 5,001 5.731
7,378 8.326 H.379
10..%3
12.847 13,P31
6.3'5
12.007
10.3 73 13.3 ti5 13.0 54 10.5 64 8.0 57
3.9 6.2 56 50
.9 47 -2.3 47
-5.Y 44
-10.0 40 -14.7 38
-26.8 ....
-34.3 ..-. -42.9 .... -51.4 __..
-59.3 . -. -59.8 .___
-m.z ..-.
-57.3 .--.
.................. ..................
31 31 31 31 31 31 31 31 31 30 30 31) 30 29 3 28 27 26
21
13
.--.
....
31 31 31 31 '31 31 31 31 31 31 31 31 27 27 27
27 24
20
I ? ,
980 10:8 61 91 (*) .___
533 (*) ..__
991 (*) ....
1,471 13.5 45
1,978 10.3 48 2.519 7.5 47 3.077 4.1 49 3,679 .5 48 4,314 -3.8 50
4.997 -8.5 51
5,727 -13.6 46
6,524 -19.5 43
7.384 -25.7 .... 8.336 -33.1 .... 9.403 -40. a .... 10.625 -49.4 ..--
12.044 -55.4 ..--
12.885 -55.6 ....
13.838 -57.6 ....
31 31 31 31
31 31 31 31 31 31 31 31 28 2.S 29 28
?7
21
18
10
..., ......, ..... ......... .....I ::::I:
317 12.7 71
551 13.6 62 1,007 12.0 60
1,690 1,486 11.0 9.5 55 60
2.529 7.0 48 3.088 3.9 46 3.691 .3 48
4.324 -4.0 50
5.007 -8.5 46 5,737 -13.5 44
6,010 -18.8 .___
7,401 -2.5.1 ____ 8,356 -32.4----
9,425 --40.6.--. 10,646-49.5.--- 12,089 -55.8 ____ 12,935 -56.7-..- 13,906 -58.9 __._
120 (9 ____
I 1 I I l l I I l l 1 1 1 1 I I l l I I l l
I I I I
San Antonio, Ter. Pan Junn. P. R. Santa Msria, Calif. Sault Pte. hfarie,Mlch. Bpolrane Wash. Swan Island W. I. Tacubaya Mexico
I (986.3mb.) 1 (1,011.7mb.) I (1,008.4mb.) I (992.1 mb.) I (%?.8 h .) I (1.010.8m'b.) I (774.5kb.)
196
Tampa, Fla. Tatoosh Island, Wash. Toledo Ohio (1,014.6 mb.) (1,006.4 mb.) t996.2mb.)
MONTHLY WEATHER REVIEW
Washington. D. C. (1,018.5 mh.)
OCTOBEB 1947
Standard pressure surfam (mb.)
82 31 25 16.4 79
.-.. 31 181 17.3 71
66 31 621 16.7 66 64 31 1,076 13.3 66
68 31 1,556 11.1 M
63 31 2.060 8.4 M 49 31 2.593 5.4 66 46 31 3,151 2.6 47
43 30 3,750 -.9 43 35 30 4,382 -4.4 41
~___ 30 5,062 -8.4 33
___. 30 5,796-13.3 _.__
..-. 30 6.W -18.8 ____
.-.. 30 8,412 -32.9 .___
.... 30 9,478 -41.0 .___
.___ 28 12,129-56.5 ...-
.-.. 28 12,963-59.1 ..__
___. 23 13,92: -61.2 .___
__.. 14 15,036 -62.7 ..--
.... 30 7,466-25.4 ..__
.... 30 10,691 -50.1 .-_-
____I ____ I ..-.... I ...- .I .___
1 Data not yet received. Temperature and relative h d d i t y data for thislevel are not available or are available
only for certain days. 6ee note entitled Change in Summarization of Radiosonde Data, p. 6, in the January 1946 issue of the MONTHLY WEATHER REVIEW.
NoTk.--A1l obse~ations scbednled between 0300 and 0500, o. c. T. ereept at Ciudad
Victoria, Mazatlfm, and Merida, where they are taken near 0200, Q. C. T.
temperature or humidity data may be missmg for one or more standard pressure surfaces
of some observations.) Relatire humidity data are not published for standard pressure surfaces having a corresponding mean temperature below -%lo C. 1\11 relative humidity observations are obtained by electric hygrometer and have been adjusted to compensate for the values occurring below the operating range of the humidity
element. For explanation of the adjustment see article entitled Curve Method for Obtaining Monthly Means of Relative Humidity, p. 241, MONTHLY WEATHER REVIEW,
surfaQ or 5 observations at a standard
Number Of observations refer8 to those Of dynsmlc height Only. (h 8 few CBSeS D ~~~~~t !~$~n s included in the% tables are based on ]a than 15 obwrvat[ons at the level.
MONTHLY WEATHER REVIEW 197 OWBEE 1047
31 217 2.1
_._.._..._.
31 219 2.1 31 219 2 7 31 225 3:2
30 244 4.7
24 246 8.0 23 263 8.7 19 272 9.8
11 324 7.5
___ ____ ____ --- --_. -.-.
TABLE 2.-Free-air resuUanf winds baaed on pilot balloon observations made near 6 p . m., E. 5. T. (9900 8. C. T.) during October 1947.
Directions given i n degree8 from north (N=360, E=90, S= 180, W=97Oo). T,'elocities in meters per second
I I I I I I
I I I I I I I 1 1 .1 I I I I I I I I I I
30 2S3 1.1 26 66 2.1 29 259 2.0 29 45 2.3 30 180 1.9
_________________._.__ 26 77 2.1 _.________. 29 66 2.7 30 160 2.7 _.__._...___.-___.___. 25 103 1.9 28 251 4.2 25 119 1.U 28 186 3.2 30 286 1.2 23 116 1.6 29 251 6.1 22 176 .9 27 201 2.8
30 288 2.0 21 121 .8 28 260 8.3 22 252 1.6 26 220 3.6
30 259 2.4 19 28 1.0 26 253101 21 283 3 2 24 W 2 9 23 234 3.6 17 348 1.2 23 25911:Z 20 268 3:5 23 243 2:5
28 238 6.3 14 341 2.0 16 267 12.1 19 257 4.5 19 259 4.3
26 259 5.5 12 310 3.4 12 263 13.6 15 266 5.5 14 266 2.7 23 274 6.4 11 323 2.4 __________. 15 256 9.3 13 247 I 5 20 281 8.7 _.-..___._._.________. 13 24614.3. __________ 17 2% 8.7-.. _._.___.____.__________.___.__
~
_.__
~
.____
13 304 10.9 -.- ____ _.__ ___ ___. ____ ___ ___. ____ ___ _.__ _.__
--- ---- -.-. --- ---- -.-. ..- ._-. ____ --- ..-. ___. __- ___. _.__
30 263 3.5 30 283 2.9 29 2S5 2.1 ?5 259 2.1
25 241 3.2
24 266 4.6 24 277 5.3
23 277 7.5
23 28210.3
14 276 7.G
24 25c 3.0
__ ____ .-..
-. ---- --_.
. .___ --..
Oakland, Oklahoma Omaha, Phoenix, Rapid City, St. Louis, 6t. Cloud, Ran An- 6an Dlego, Bault Ste. Seattle 6 okane, Wash1
Cellf. lCity.0kla.
I
Nebr.
1 Ark.
1 6. Dnk.
1 Mo.
1 Mlnn. 1
tonlo. Ter.
I Callf. &arle,Ml&.l Wash.)
I gash.
1 ton, D%. (8 m.) (396 m.) (336 m.) (338 m.) (982 m.) (181 m.) (318 m.) (WO m.) (13 m.) (236 m.) (116 m.) (603 m.) (24 m.) ---__
30 1W 4.9 28 30 1% 5 4 28 30 1% 6.8 27
29 1RQ 6.0 27 26 201 6.2 27
26 233 4.4 25 22 268 4.2 23 19 287 4.2 20
16 261 6.6 19
.-. .--. _._. 15
.-. ..__ .... 12
__. ..-. .... 12
__. ___. .... 11
m 216 4.3 27
--
170 2.3 l i l 4.1 188 6.5
205 7.6
221 9.4 225 10.3 234 10.8
241 10.2 242 7.7 .239 7.9 267 7.2 257 7.7
ia4 8.2
268 10.7
31 31
31 31 31 30 29
28, 26
25 23
15
___ .
--. .
194 0.7 221 1.3
211 1.6 200 2.0
210 2.6 219 2.8
245 3.2
,253 3.9 262 6.6
264 7.1 276 10.6 283 9.2
. - -. . - -.
.--.
~
---.
30 249 1.1
... ____ ____ 30 250 1.1 30 7/48 1.9 29 241 4.1
28 256 5.8 26 253 7.S
24 251 9.2
21 254 10.2 20 266 10.5 15 267 13.1
______...__
. . - - - - -.
_________..._.
-
2.2
2.3
2.5 2.2
2.8
1.7 2.1 2.0
2.4
2.9 2.1 1.G 6.8
. - -.
30 1 8 2.5 30 180 3.2
27 182 6.1 26 el 7.2
23 221 9.4 22 227 9.7 22 233 10.4
19 7/48 11.0
16 26112.7
16 251 14.5
... .___ ..--
--. ____ ___. .
.-- ____ ..__
-. . . - - - . . -.
31 131 2.6
31 342 3.5
31 134 3.7 31 146 3.7 30 149 3.2
29 175 2 2
28 231 2.1
28 293 4.7 25 290 5.9 25 281 6.2 19 280 11.2 12 271 19.2
. -. . - - - . . - - . -. . . - . - . -.
__
SO
30
28 28 28
25
28
25
23 20
I8 10
. . .
TABLE 3.-Maximum freeair wind velocities (m. p . 8.) for diflerent Section8 of the United States based on pilot balloon observations during
October 1947
I
---
280 3.5 287 3.6 274 2.0 240 1.3 286 1.8
296 3.4 281 4.7 273 6.1 274 7.1 273 9.7 279 10 8 3m 11.1
. - -. . - -.
. . -. . - -.
II Burface to 2,W meters (m. s. 1.)
----___.
31 185 0.8 26 214 2.3 31 198 1.6
31 188 2.5 26 200 4.4 __.____..__
30 229 6.5 26 206 7.0 31 199 3.7
28 242 7.1 22 213 8.4 28 210 6.1
25 256 8.6 16 206 9.8 a6 228 7.2 24 36510.1 15 21710.2 16 232 8.9 21 272 11.2 13 10.3 11 229 9.S
16 277 10.8.-. ___. ..__ __. .___ ..__
13 281 7.7.- ..___._.._..____._.
.-..._...____..______.__..______.
.-. --_. .___ --. .__. ____ ... ..-. ____ ... .... ..-. -.. __.. .___ .-. .... ___.
. -. . -. . . . -. . . - - - - - - - . . -. -.
. - . - -. . . -. -. . . . -. . - - - . . . . . -. . . -
2,501 to 5,000 meters (m. 1.1.) I1 Above 6.000 meters fm. a. 1.)
28 29
26
26
23 23 23 23 21
18 16
11
. -.
180 178
187
26200
210
211
233 250 2i2
3Mj 283
235 299
- - - -
S. 1,010
30 30
25
27
26
28
24 24
n ?o
16
. -.
. - -
. . -
85 a7 179 .7 196 1.4 228 1.6
258 1.9
287 2.7 285 3.4
272 3.8 280 3.4 279 3.8 ZRB 6.2
-. . . . - - - - . - . - - - - - - . - - - -
23 Caribou Malne ._____ 55.4 27 Loulsvilie, K y ._____
~
33.0 11 Key West, Fla ._____. 26.5
11 Huron.6. Dak ._____. 48.8
1 !!
Caribou, Malne ._____
Nashville Term.--.-- Charleston, 6. C .____
International Falls,
Lander. Wyo .___.___
Fort Worth, Tex .____
Ellensburg, Wash ____ Reno, Nev .____.__.__
Las Vegas, Nev ._____
Minn.
--
67.9 s. 76.8 wsw.
65.0 wnw. 80.8 wsw.
59.5 nw. 58.0 wsw.
81.6 sw. 78.0 wsw.
69.0 wnw.
El 0
.- Y
2 A
Central I ___._._.__
South-Centnl a---
Northwest'._..__. West-Centd I.---
huthwest * ..____.
11I1W.
nnw. ene. nnw.
wnw. sw.
W.
ssw.
SSW.
-
36.6
29.6
38.0 31.0
28.3
1 Malne Vermont New Ham shim Massachusetts Rhode Island, Connecticut, New
a Delaware, Maryland Vlrglnia, West Virginia, southern Ohio, Kentucky, eastern
York, N e t Jersey, Pennsylvank, and northern Ohio:
Tennessee. and North darolina.
898.
nnw.
wsw. wsw.
asw.
I South b r o l i n a Oeorgla Florida and Alabama
4 Mlchlgan WisAnain Minnesota' North Dakotb and South Dakota.
I Indlana, fllinols, row& Nebrask;, Kansas, and Missouri.
1,508
1,370
2,020
2,500 2.2115
2,1102
3.200 3,150 4,610
4,893
4p 636 4.366
3, (65
4,998
-
15 31
5 16 21
a *
a" -
m 28 6
23
8 31
2
7 21
-
Sloux City Iowa ..... 77.0 O k l a h o d a C i t y , 35.1
Spokane. Wash _____. M. 8
Casper, Wyo .._______ 51.3
Iws Vegas, Nev ______ 60.2
Okla.
1 Indlanapolls, Ind.
i22i: I 25 I Big Spring, Tex.
10,313 20 Tatoosh Island Wash. 9, 700 8 Oakland. Calif.'
12,952
1
27
I
Raton, N. Mex.
Mississippi, Arkansas, Louisiana, Oklahoma, Texas (except El Paso), and western Tennessee.
7 Montana Idaho Washington and Oregon.
8 Wyomlni, Colo;ado, Utah, ndrthern Nevada, and northern California.
0 Southern California. southern Nevada, Arizona, New Mexico, and extreme wes Texas.