Aikyam-Lab/Synoptic-Bench huggingface dataset:
412 PM EDT SUN JUL 3 2016 The latest surface map features a warm front aligned from eastern Kansas to western and southern Kentucky. Aloft, zonal flow is in place across the central CONUS, with embedded short wave troughs moving east across the region. The next area of showers and thunderstorms will move in from southern IL and western KY this evening, out ahead of an embedded short wave trough. This, along with aid from the approaching warm front and an increasing low level jet will sustain the convection as it approaches our west closer to the 03 to 04z time frame. In general, areas near the I-64 corridor will likely see the higher totals.
138 PM EDT SUN JUL 3 2016 High pressure centered over the Eastern Great lakes will move off the mid Atlantic coast this afternoon. This will allow low pressure to track along the Ohio River Valley Monday into Monday night. Another day of dry weather and filtered sunshine as high pressure remains over the area. The high. Even though winds try and shift to the south late today as the high shift east. Ceilings will slowly lower after midnight as an area of low pressure tracks along a frontal boundary that will be located near or south of the Ohio River Valley.
925 millibar temp progs show thermal trough setting up tonight with a quick surge of waa on Tuesday back into the upper teens to lower 20s celsius.
320 PM PDT MON JUN 20 2016 Building high pressure brings a return of above average temperatures to interior NorCal this week.
320 PM CDT MON JUN 20 2016 Mid and upper ridge axes are currently over the Four Corners. A similar day will follow on Tuesday, but the ridge will gradually re-establish itself over the southern tier of states where it will be anchored the remainder of the week. Extended ensembles show considerable spread for this time of year, but the consensus is for the inverted trough to effectively erode the ridge above Texas, separating it into two bubbles.
An mid level height ridge extends from the Southern Plains eastward across the Mid South. High temperatures should top out in the lower 90s with dewpoints around 70 degrees making conditions feel a bit more uncomfortable during the peak heating hours. /issued 355 AM CDT MON JUN 20 2016/ Midsummer-like pattern to prevail through this weekend, as an upper level height ridge prevails across the southern half of the contiguous U. This upper ridge will limit thunderstorms to isolated coverage and mainly to the peak heating portion of the day.
Hot and mostly dry conditions expected through midweek as high pressure builds over the Great Basin. An approaching trough will bring slightly cooler temperatures for the end the workweek and the weekend.
321 PM EDT MON JUN 20 2016 Cold front crosses Tuesday.
With high pressure becoming positioned overhead, light winds with temps only falling into the lower 60s and the middle 60s closer to the urban heat island. Tuesday: 500mb trough axis will be pivoting northeast in the afternoon, with surface ridging drifting south towads the Tenn Valley in the afternoon. But with high pressure still overhead, temperatures will be slightly cooler with highs in the lower to middle 80s.
Coastal areas will also see warmer temperatures but are expected to remain relatively mild as light onshore flow predominates during the afternoon and evening hours. Ridge of high pressure combined with fairly dry air, warm air aloft plus a NNW flow at the surface will help to produce another round of warm to hot temperatures across our region today.
1157 AM PDT MON JUN 20 2016 A warming trend will continue through Tuesday as high pressure builds over the region. Water vapor satellite imagery continues to show a very large ridge of high pressure over much of the southern U. and a definite northward push of the ridge across Central and Southern California.
423 PM EDT Mon Jun 20 2016 A strong cold front will move through the north country overnight with showers and thunderstorms.
125 PM CDT MON JUN 20 2016 Cold front that brought thunderstorms to the region yesterday will clear the MPX CWA early this morning, with a spectacular weather day expected as we get a low level air feed from a high dropping out of the southern Canadian Rockies. Tonight, the high coming out of Canada will drop down into Iowa. We would probably see some 40s if this high were not coming through on one of the shortest night of the year.
Isold -shra/tsra developing around the higher terrain will be mainly dry and lead to gusty outflow winds and lcl bldu.
245 PM PDT MON JUN 20 2016 High pressure will remain over the Desert Southwest this week resulting in hot and dry conditions with afternoon and evening breezes. Summer begins with a tough over the northeast Pacific and a strong flat ridge over the Desert Southwest. Afternoon highs in the 90s for the lower valleys with 80s to near 90 in the Sierra will hang around for a while.
(Issued 949 AM CDT MON JUN 20 2016) An area of high pressure centered over northeast Alabama and northern Georgia remains in control of weather across southern portions of the Tennessee Valley this morning. Further north, a pre-frontal trough axis ahead of a cold front pushing across the Great Lakes region extends southward into central Ohio and into Kentucky.
Did note that the ECMWF ensembles showed uncertainty at the end of the week regarding the upper trough.
408 PM CDT MON JUN 20 2016 Upper level ridging influences will provide for partly cloudy skies through tonight. Surface riding pattern will be defined by high pressure influences across the southeast U.
259 PM CDT MON JUN 20 2016 Upper ridge centered across the 4-corners region today will expand eastward.
VFR conditions will remain through the afternoon and overnight as high pressure weakens and a front approaches from the northwest.
All of this convection the result of a weak upper-level trough across east Texas. Low temperatures to night forecast to fall into the low to mid 70s. Upper trough to remain in place allowing for another chance for scattered showers and thunderstorms on Tuesday. However, overall trend is for 700mb trough across east Texas to gradually weaken as 500mb ridge strengthens across the region through the remainder of the workweek.
A strong ridge of high pressure will result in record heat again today. Water vapor imagery and 20/12Z upper-air plots show a ridge parked over southern Colorado and northern Mexico. Meanwhile, an inverted trough is approaching from the east across parts of west Texas and northern Mexico. That said, dewpoint temperatures as of 20Z are around 12 to 25 degs warmer/wetter than this time yesterday. Daytime heating will mix out these current dewpoint readings, so surface dewpoints will fall back down into the lower 30s this afternoon. Models depict the high remaining in the same general location as the inverted trough undercuts the ridge and moves from east to west across Mexico and into the eastern Pacific through Tuesday.
251 PM CDT MON JUN 20 2016 The large ridge of high pressure over the southeast U. A weakening frontal boundary will attempt to drop southward out of the lower Ohio valley region tonight, and should make it into middle Tennessee by Tuesday afternoon.
610 PM EDT MON JUN 20 2016 Shower and thunderstorm chances will increase tonight with the approach and passage of a cold front. Still better potential later with the approach of the cold front. A cold front tonight will be the forcing mechanism for any potential severe weather. 12Z NAM showed much higher CAPE values than the GFS, but the higher instability seems warranted with the higher dewpoints currently observed in Ohio. Temperatures on Tuesday should be closer to normal with cooler air behind the front.
235 PM EDT MON JUN 20 2016 Quiet weather pattern will continue through mid week under high pressure influence. clear skies and dewpoints in the 50s will result in mostly slightly cooler than normal lows for tonight. A warm west to southwest wind flow coupled with ample sunshine will result in slightly warmer than normal highs on Tuesday.
At upper levels do have some weak ridging as heights rise and upper high shifts s.
350 PM EDT Mon Jun 20 2016 A strong cold front will move through the north country overnight with showers and thunderstorms.
332 PM CDT MON JUN 20 2016 Upper level ridge over MT will move over the Dakotas on Tue.
Mid and upper level winds are from the northeast as the upper level ridge extends from the Four Corners to the mid- Mississippi River Valley. As this happens, upper level ridging centered over the Four Corners region and the central Plains will expand into the southeast conus. The center of this ridge will then gradually shift eastward into the southern Plains, lower Mississippi Valley, and Gulf Coast States during the last half of the week.
Scattered showers beginning to develop across much of northwest Louisiana due to 700mb trough axis across east Texas and Arkansas. Otherwise, instability aloft to supply sufficient mixing and cloud cover to allow for afternoon high temperatures to only climb to the lower 90s across most locations.
129 PM EDT MON JUN 20 2016 Dry high pressure will push east of the area tonight.
607 PM EDT MON JUN 20 2016 Dry high pressure over the area will settle a bit farther southward overnight.
324 PM CDT MON JUN 20 2016 A cold front stretched from northwest IL across northwest MO into northern KS at mid afternoon. Very high freezing levels and steep low level lapse rates suggest the primary severe weather threat will be damaging winds. Glass The cold front should be drapped from northern KS across northwest MO into southern IL at 12z Tuesday, and will be quasi-stationary at that point.
Cooler than normal temps tonight to begin astronomical summer. High Pressure ridge still expected to build over the region from the north tonight with Mostly Clear skies and decent radiational cooling considering it is the latter part of June. Ridge of High pressure lingers over the region with Mostly Sunny Skies and Light/Variable steering flow which will allow for much more heating inland while a return to the Atlc Coast Sea Breeze front developing and pushing inland by the afternoon. A wider range in the temps from the middle 80s at the beaches to the lower 90s over inland areas.
1230 PM CDT MON JUN 20 2016 A flat upper level ridge of high pressure will continue to be the main forecast element throughout the coming forecast period.
/ISSUED 1112 AM CDT MON JUN 20 2016/ We have updated the forecast to increase rain chances slightly across the coastal plains into the Highway 77 corridor. /12Z TAFs/ Satellite fog product shows most of the low cigs departing northward into the Hill Country and Edwards Plateau. Upper level inverted trough is pushing west, away from southern Texas early this morning. However, only isolated to widely scattered coverage is expected as the Subtropical Ridge builds into Texas. The Subtropical Ridge strengthens over Texas on Tuesday. Expect similar temperatures for today as yesterday, then warmer on Tuesday as Ridge strengthens.
230 PM PDT MON JUN 20 2016 Continued hot and dry for inland areas through midweek due to strong high pressure aloft.
542 PM EDT MON JUN 20 2016 A cold front will move down from the Upper Great Lakes overnight.
252 PM CDT MON JUN 20 2016 The mid level ridge that has been dominating in past days will shift southward toward the northern Gulf coast states tonight/Tuesday, allowing the flow aloft to become more northwesterly. Right now, it looks as though the higher chances will lie along/just north of the sfc boundary.
1220 PM CDT MON JUN 20 2016 Surface cold front continues to sweep southward this morning, with little in the way of convection along it. Today: The frontal boundary will continue to settle southward, eventually ending up in the lower Missouri River valley by the afternoon. High pressure will slide southward into the Tri-State area today, leading to a cooler and very pleasant daytime hours.
while south to southwest flow around a low level high pressure brings moisture to the area. expect most areas to be cooler than Monday for high temperatures.
416 PM EDT MON JUN 20 2016 A cold front dropping across the area will bring scattered showers and thunderstorms to northern Indiana and northwest Ohio this evening.
147 PM EDT MON JUN 20 2016 Shower and thunderstorm chances will increase today and tonight with the approach and passage of a cold front. The cold front is progged for passage tonight.
245 PM CDT MON JUN 20 2016 By 2 PM on Monday, a cold front had become nearly stationary with a very slow southward movement almost directly on the KS/NE border. This shear profile leaves some question as to just how organized convection will be, but suggests that the very strongest storms in the areas of deepest instability may realize an effective shear on the order of 35 kts, which could result in brief mid-level mesocyclone generation and increased organization. By late evening through early morning, the low level jet stream intensifies and converges over northern KS just north of the surface boundary location.
Synoptic situation remains the same, high pressure centered over NC/SC/GA ridges south and southwest over Florida and the Gulf of Mexico. High pressure ridge axis remains north of East Central Florida and keeps the area in an east to southeast flow off the ocean.
Upper trough was moving across eastern Manitoba and western Ontario Canada with trailing energy across Minnesota this morning at 08Z. Therefore will keep the higher probability of storms in the northeast through the night. Highs today will top out in the lower 90s to upper 90s. Temps could be a bit warmer in the west but mid to upper 90s will likely hold again.
Do not expect any precip today though under a ridge though and continue a rain free forecast for today with only minimal tweaks made to the high temperatures for today based upon current hourly trends. VFR forecast for the next 24 hours under a high pressure ridge stretched across the gulf coast states with only daytime fair weather cumulus with heating and overall light winds under 10KTS. 08 High pressure will dominate the area through the week.
Strong high pressure across northern Arizona will lead to very hot conditions through Tuesday.
Overall forecast for today remains mostly dry and warm but a fast moving cold front is still expected to impact the Hi-Line region on Tuesday. High pressure ridge over the Northern Rockies will keep mostly clear/partly cloudy skies in the forecast with widespread VFR conditions prevailing. Associated surface cold front will bring gusty westerly winds east of the Continental Divide by 15Z.
Highs on Tuesday will be slightly warmer, generally around 90. Aloft, weak ridging will be in place across the state from the southern plains region through the week. The high center will then shift east to over the lower MS River region through the rest of the period.
618 PM EDT MON JUN 20 2016 Cold front crosses Tuesday.
Ridge over the desert sw will continue to build east tonight through the southern Plains and into the sern CONUS over the next few days.
311 PM EDT MON JUN 20 2016 A cold front will move down from the Upper Great Lakes overnight.
345 PM EDT MON JUN 20 2016 A cold front will move down from the Upper Great Lakes overnight.
312 PM EDT MON JUN 20 2016 A cold front will cross approach the region from the northwest tonight and cross the region later Tuesday into Tuesday night.
635 PM EDT MON JUN 20 2016 A cold front over the western part of the area will push off to the east tonight then weak high pressure will build over the region tuesday.
THE UPPER RIDGE OVER THE SOUTHWEST US SLOWLY MOVES EAST OVER THE NEXT DAY OR TWO. THE UPPER RIDGE SEEMS TO KEEP IT AT BAY.
Rather strong cold front (for June standards) has made progress into far NW Kansas this afternoon, with NE winds and cooler/drier air across Nebraska. Unfortunately, this refreshing airmass will not make it to SW Kansas, with the cold front boundary stalling out this evening just north of the I-70 corridor. The stationary front in north central Kansas is still forecast to lift north northeast on Tuesday as a warm front.
A cold front that is currently extending from the west central Plains to the upper Great Lakes region will begin moving south toward our area this evening. The front will continue to provide a focus for showers and storms Tuesday night as well, as the western extent of it begins to move eastward as a warm front. Tomorrows highs should be tempered a bit by all the cloud cover and precipitation that will be around, so we should see highs on Tuesday in the low to mid 80s, which is about normal for this time of year. A cold front will be exiting to the south as the period starts.
With high pressure in place over the Northern Rockies, western Montana and north central Idaho are seeing a very pleasant, warm summer day today. A weather system will sweep across the Canada/Montana border on Tuesday, bringing cooler and wetter conditions to northwest Montana, particularly Glacier National Park, where a few snowflakes could fall at 6500-7000 feet and higher. It goes without saying that those who are planning on visiting the Park Tuesday should pack warm and be ready for inclement conditions, especially the higher in elevation you travel.
355 PM EDT MON JUN 20 2016 A cold front over the western part of the area will push off to the east tonight then weak high pressure will build over the region tuesday.
1254 PM CDT MON JUN 20 2016 Showers/storms continue to fire along a cold front running from northwest WI southwest into western IA. Important as the GFS/NAM/EC all want to lift this front back to the north as a warm front late Tue night into Wed. With the low level thermodynamics north of that and a good moisture feed into and across the front, that would place at least the southern 1/2 of the forecast area under high/likely shower/storm chances. Will continue to keep the higher chances across the south.
With this, expect overnight lows to end up near or slightly cooler than what we saw this morning. Overall heights will change little as the elongated ridge to our northwest builds back over the area but warming temps aloft should mean daytime highs will end up 2-4 degrees warmer on Tuesday. Stout upper level ridge centered over or just to the eastof the Four Corners region will continue to steer any synoptic upperlevel disturbances well to our north with the exception of Thursdayevening as some weak instability aloft rotates out of the southernRockies and equally marginal pressure falls from the deepening of athermal low in NE New Mexico could result in meager convectionacross our northwest zones.
107 PM EDT MON JUN 20 2016 High pressure remains over the local through today. A cold front drops south across the Mid Atlantic states late Tuesday.
255 PM EDT MON JUN 20 2016 Dry high pressure will push east of the area tonight.
400 PM EDT MON JUN 20 2016 A cold front will move down from the Upper Great Lakes overnight.
Otherwise, cooler and less humid conditions will prevail through the afternoon. An isolated shower or two continues west river this AM, and as the trof presses east, wouldn't be surprised to see some of this pass across our CWA, though the result is little more than a sprinkle.
254 PM EDT MON JUN 20 2016 Shower and thunderstorm chances will increase tonight with the approach and passage of a cold front. A couple of showers have popped up this afternoon in eastern Ohio, not surprising considering the temperatures in the lower 90s and dewpoints in the upper 60s. A cold front tonight will be the forcing mechanism for any potential severe weather. 12Z NAM showed much higher CAPE values than the GFS, but the higher instability seems warranted with the higher dewpoints currently observed in Ohio. Temperatures on Tuesday should be closer to normal with cooler air behind the front.
101 PM CDT MON JUN 20 2016 Upper level ridge over MT will shift slowly east this afternoon with northwest flow aloft over the area. We will get a reprieve from the active weather pattern early this week as cooler and drier air has filtered into the region behind yesterday's cold frontal passage. With high pressure spreading in from the west, lots of sunshine is anticipated today with cooler highs in the 70s. Mostly clear conditions will persist tonight with a few of the cooler locations possibly dropping into the upper 40s (low to mid 50s elsewhere).
Strong high pressure will remain in place through late Monday. A weak and dry cold front will cross the state Tuesday.
VFR conditions are expected to hold throughout the day today into tonight with high pressure aloft and no significant advection of moisture into the region. Isolated rain showers or thunderstorms may develop within the ridge axis aloft during the peak heating hours of the day today. Aloft the upper high pressure ridge was centered over the western Plains, while an upper northeast flow was into AR. Temperatures will gradually warm again the first part of the week as the upper high pressure holds over much of the plains.
A strong ridge over the four corners will remain in place into Tuesday. a trough off the Pacific Northwest coast will remain in place into Monday.
136 PM EDT MON JUN 20 2016 Current forecast on track for this afternoon with ample sunshine and light winds under high pressure influence. /Issued 330 AM EDT MON JUN 20 2016/ High pressure aloft and at the surface will dominate the weather through Monday. 500mb ridge will continue across the CWFA through Tuesday. High pressure at the surface will remain overhead today and tonight, but will begin shifting southward by late Tuesday as a weak frontal boundary approaches from the north.
THE WORK WEEK BEGINS WITH INCREASING CLOUDS AND SLIGHTLY COOLER TEMPS THAN YESTERDAY BUT STILL UNSEASONABLY MILD. AND THE FACT THAT CLEARER THAN ANTICIPATED SKIES YESTERDAY LEAD TO WARMER AND DRIER CONDITIONS. TOTAL PRECIP WITH THE HIGHEST AMOUNTS NORTH OF THE IRON RANGE. THE UPPER LOW CENTERED OVER THE COLORADO ROCKIES WILL FINALLY START TO MOVE NORTHEASTWARD INTO THE CENTRAL/NORTHERN PLAINS TODAY INTO TOMORROW AS THE OMEGA BLOCK OVER THE TENNESSEE VALLEY FINALLY WEAKENS. A BROAD PLUME OF MOISTURE AND PRECIPITATION ACROSS THE GREAT PLAINS WILL GRADUALLY SHIFT NORTHEASTWARD TONIGHT INTO TOMORROW AS THE UPPER LOW MOVES. TO THE NORTH AN AREA OF HIGH PRESSURE BUILDING ACROSS NORTHWEST ONTARIO WILL RESULT IN CLEAR SKIES AND COOLER TEMPS. WITH LOWS TONIGHT APPROACHING THE FREEZING MARK IN THE TIP OF THE ARROWHEAD. AS COLD AS THE LOW 30S ACROSS THE TIP OF THE MN ARROWHEAD.
256 PM PDT MON APR 18 2016 High pressure will keep winds light and temperatures well above seasonal averages through midweek. High pressure remains in control over the west flanked by two areas of low pressure.
222 PM CDT MON APR 18 2016 PESKY UPPER LOW CONTINUES TO WOBBLE ACROSS THE INTERMOUNTAIN REGION THIS AFTERNOON. THE UPPER LOW STARTS TO WEAKEN ON TUESDAY AND THUS TEMPERATURES SHOULD REBOUND BACK TO NEAR NORMAL FOR HIGHS.
643 PM EDT MON APR 18 2016 HIGH PRESSURE WILL PREVAIL OVER THE REGION EARLY THIS WEEK.
257 PM CDT MON APR 18 2016 The upper level ridge will finally start to break down across the central portion of the country as the broad upper low over the Rockies starts to make its way east towards the Mississippi Valley later tonight. The leading band of showers well out ahead of the upper low will track east and into parts of west central Illinois late tonight and crawl its way east into parts of central and east central Illinois on Tuesday. With the increase in cloud cover tonight and a light southerly flow, temperatures will not be as cool as the past few mornings with early morning lows expected to range from the lower 50s far north to the upper 50s over the southwest.
243 PM EDT MON APR 18 2016 HIGH PRESSURE OVER THE AREA THROUGH TONIGHT. A WEAK COLD FRONT WILL CROSS THE AREA TUESDAY AFTERNOON.
12Z UPPER AIR ANALYSIS INDICATED A WEAK SHORT WAVE TROUGH MOVING INTO SOUTHEAST TEXAS WITH CONVECTION ANCHORED OVER THAT REGION WHILE SOUTH TEXAS REGION WAS IN WEAK SUBSIDENCE BEHIND THIS FEATURE. LOCALLY HEAVY RAINFALL AMOUNTS ARE POSSIBLE WITH THE HIGHEST AMOUNTS OVER THE VICTORIA CROSSROADS.