Aikyam-Lab/Synoptic-Bench huggingface dataset:
749 AM EDT Mon Sep 18 2017 Aviation Weak high pressure will bring fair weather today but a few showers are possible tonight as a warm front approaches lower Michigan. Dry and warmer than normal weather is expected the rest of the week. A few showers will linger across the eastern zones this morning as weak cold front pushes east. Surface ridging builds in this afternoon but that is transient as warm advection intensifies overnight.
This afternoon, slight weakening of the mid level ridge will allow some additional moisture and instability to slip into the area, especially northwest.
A second round or showers and possibly a thunderstorm develop along the cold front this afternoon as it moves through the area, reaching the Western Magic Valley by 00Z this evening.
1205 PM EDT Mon Sep 18 2017 Weak high pressure through most of this week, providing warm afternoons and cool nights. Mainly quiet weather is expected today and tonight with weak high pressure remaining in the region.
Cooler and drier air has settled into the northwest tip of the CWA, with dew points near Galesburg down to 49 degrees, but still 58 at Peoria. An upper ridge over the eastern U. With the building ridge, precipitation chances will be shutting down. Any lingering showers/storms from Tuesday's upper wave will be diminishing by evening, then the ridge will start to build in earnest.
849 AM EDT Mon Sep 18 2017 High pressure will remain over the area into Tuesday while Hurricane Jose approaches southeastern New England.
1008 AM EDT Mon Sep 18 2017 Weak low pressure in the upper atmosphere will keep a slight threat of afternoon showers around the region today.
For the rest of today, ridging will remain across the Tennessee valley with mid-level warm layer capping convection over the area. Ridging will also keep winds light and less than 10kts.
/Issued 400 AM EDT Mon Sep 18 2017/ Does not appear to be much to the forecast today as there is an overall lack of significant moisture and instability as a 700-500mb ridge up the TN valley and the west side of the Appalachians keeps things quiet across the area. The upper ridge flattens for Tuesday with some moisture increase, most so for the far northern counties as this area could be affected by a weak short wave.
1021 AM EDT Mon Sep 18 2017 A weak cold front will move into Ohio today, bringing a chance of showers and thunderstorms.
649 AM CDT Mon Sep 18 2017 Upper level trough still edging across the area, with low level outflow spreading southward from the Panhandle. However, a surface pressure trough over eastern New Mexico will enhance the low level convergence by this afternoon. A low level theta-e ridge will be jetting up through the I-27 corridor this afternoon.
916 AM EDT Mon Sep 18 2017 A weak cold front over Indiana will move east over the local area and become stationary by this evening. The front will push to the south Tuesday as high pressure begins to build back over the region from the north. The high will then dominate the weather the second half of the week. The lower atmosphere will continue to moisten in advance of the front.
Dewpoints/relative humidity will remain on the high side yielding hot and humid days followed by warm and muggy nights. This between low pressure developing over the southeast CONUS and a high pressure ridge holding from Texas then northeast through the mid-Mississippi valley. High pressure holding over the southeastern CONUS and adjacent coastal waters will maintain a light predominantly onshore flow through much of the week.
704 AM EDT Mon Sep 18 2017 A weak cold front will move into Ohio today, bringing a chance of showers and thunderstorms.
An upper level trof of low pressure will approach the region today.
1112 AM CDT Wed Jul 26 2017 Despite morning cloud cover in some areas, temperatures thus far are already running 1-2 degrees warmer at most locations compared to this time yesterday. /issued 349 AM CDT Wed Jul 26 2017/ Upper lvl ridge which has brought mid 90 temps across the area, will continue to do so as this ridge gradually expands eastward, protected by zonal flow aloft further to the north across midsection of country.
Upper level ridging across the area should keep most locations dry this afternoon. Chattanooga Airport, TN 93 74 91 75 / 20 10 30 30 Knoxville McGhee Tyson Airport, TN 92 72 90 72 / 10 10 30 50 Oak Ridge, TN 92 72 90 73 / 10 10 30 50 Tri Cities Airport, TN 90 69 88 69 / 10 10 50 60.
Cannot rule out a slight chance of showers/thunderstorms for this afternoon over the highest mountains due to residual moisture there.
The latest satellite imagery indicates an upper-level ridge of high pressure centered along the Texas-New Mexico Border.
Water vapor imagery shows a weak upper low over Coahuila moving slowly westward. With weak low level convergence along sea breeze boundary and some weak assistance for lift with divergence aloft to the east of the upper low, convective activity could become scattered in coverage over the inland coastal plains into the eastern Brush Country this afternoon.
As the upper low continues to move slowly inland today, another round of thunderstorms continues in the forecast area. Isolated thunderstorms in Klamath and Jackson counties continue to slowly meander to the southwest on an vort axis that is spinning around the upper low with elevated instability over the region. The upper low will slowly open as it progresses east through the evening, shifting the instability to the far east side by Thursday morning.
There is a small chance of convection this afternoon, but leaving storms out of the TAF's due to the low probability.
1034 AM EDT Wed Jul 26 2017 High pressure moves off the coast late today through tonight. A weak cold front will slowly approach on Thursday, and move through Thursday night.
1133 AM EDT Wed Jul 26 2017 High pressure will become centered over the area today and move offshore tonight. A cold front moves across the area on Thursday bringing scattered showers and thunderstorms.
725 AM EDT Wed Jul 26 2017 High pressure will build in today, then move off the coast late today through tonight. A weak cold front will slowly approach on Thursday, and move through Thursday night.
High pressure builds in keeping winds on the lighter side and plenty of sun.
As the low level jet veers early this morning expect these showers and storms to move into our area. 00z models are in fairly good agreement that the low level jet will wane across our area later this morning and then refocus across western Iowa. On Thursday afternoon and evening, a short wave trough will move southeast across northern and eastern Wisconsin.
/issued 357 AM EDT Wed Jul 26 2017/ Today and Tonight: Subtropical ridge gradually weakens today as a trough across the northern Gulf coast moves southeast. Ridge will still influence the region with a light east to southeast flow through the day. Short range models keep this 593dm ridge over the region with above normal 850mb temperatures for today. Combination of dewpoints ranging in the low 80s to mid 70s will lead for another day of heat indices of 100-105F across most of South Florida with locations over inland Collier and Miami-Dade County could see heat indices above 108 today. Overnight lows will be in the mid to upper 70s with some locations along the east coast in the lower 80s.
/ISSUED 442 AM CDT Wed Jul 26 2017/ Southeast Texas looks to remain on the southern edge of mid/upper level ridging today, and this position in combination with daytime heating and precipitable water values rising back above 2 inches as deeper tropical moisture levels surge into the area from the Gulf should allow for some shower/thunderstorm development.
958 AM EDT Wed Jul 26 2017 High pressure will become centered over the area today and move offshore tonight. A cold front moves across the area on Thursday bringing scattered showers and thunderstorms.
/issued 345 AM CDT Wed Jul 26 2017/ (Today and Tonight) The upper high centered over eastern New Mexico and the southern Plains will move little today and tonight. With slightly higher 850mb temperatures, expect highs today to be 1-2 degrees warmer than yesterday.
555 AM MDT Wed Jul 26 2017 Temperatures will cool today following the passage of a cold front and are expected to remain cooler in the 80s through the remainder of the week.
Satellite imagery continues to show a closed low over northern California that is sending moisture and several weak disturbances into Central Oregon and the eastern Oregon mountains this morning. Temperatures will continue to be hot and generally a degree or two warmer than yesterday.
Convection was ongoing across northern KS closer to the low level baroclinic zone. with low-level thermal fields suggesting temps about 1-2 degrees warmer than yesterday.
STRONG THUNDERSTORMS POSSIBLE ALONG I-10 CORRIDOR LATE THIS No changes to ongoing forecast as mid level trof and deep moisture with PWATS over 2 inches lingers across SE GA and will continue to support locally heavy rainfall and the widespread cloudiness will hold down Max Temps in the 80s. Further south of the trof axis across NE FL airmass is drier with PWATS in the 1. Strong Storm motion generally from West to East today expect erratic and slow along the trof axis across inland SE GA which will aid in the locally heavy rainfall threat.
502 AM MDT Wed Jul 26 2017 Upper level analysis shows high pressure across the southern plains with an area of low pressure over Canada resulting in southwest flow across the forecast area. At the surface, the cold front is well south and east of the area extending from the Great Lakes area though Nebraska with high pressure beginning to build in from the west. Overall, temperatures today will be cooler, but around average. The upper ridge begins to rebuild over the Rockies through the weekend with pacific moisture streaming into the northern plains.
736 AM EDT Wed Jul 26 2017 High pressure will build in today, then move off the coast late today through tonight. A weak cold front will slowly approach on Thursday, and move through Thursday night.
South winds remain below small craft criteria today with lighter wind regime tonight with trough passage.
755 AM CDT Wed Jul 26 2017 Latest HRRR still shows main thunderstorms with a line near the advancing cold front this afternoon and this evening. Ceilings will lower to around 4000 feet or so with the showers and thunderstorms moving through the area later afternoon into the evening ahead of a cold front. Winds will shift to the north behind the cold front later tonight. However despite the cold front moving across low level forcing is rather weak.
858 AM EDT Wed Jul 26 2017 High pressure through today. Strong cold front may produce severe storms Thursday.
724 AM EDT Wed Jul 26 2017 High pressure will become centered over the area today and move offshore tonight. A cold front moves across the area on Thursday bringing scattered showers and thunderstorms.
The clouds will burn back toward the coast today and temperatures will be a bit cooler.
The area remains beneath upper level ridging centered across northern Texas this morning and this will keep a lid on convection once again today. Weak high pressure at the surface will keep winds light and generally out of the south through the period. /issued 415 AM CDT Wed Jul 26 2017/ Early morning sfc analysis shows high pressure centered over the nern Gulf, maintaining a light mostly srly low-level flow across the region. Water vapor imagery shows ridging in place from the Desert SW to the srn Plains and Ozarks with dry air pushing swd into the nrn 1/2 of the forecast area. Next few days look dry but warmer as the ridging aloft expands swd with time. Models still insisting on a frontal passage late in the weekend as a digging trof over the ern CONUS breaks down the ridge.
/issued 349 AM CDT Wed Jul 26 2017/ Upper lvl ridge which has brought mid 90 temps across the area, will continue to do so as this ridge gradually expands eastward, protected by zonal flow aloft further to the north across midsection of country.
930 AM EDT Wed Jul 26 2017 High pressure will build in today, then move off the coast late today through tonight. A weak cold front will slowly approach on Thursday, and move through Thursday night.
805 AM EDT Wed Jul 26 2017 Today will be dry and a bit warmer.
1203 PM EDT Wed Jul 26 2017 High pressure moves off the coast late today through tonight. A weak cold front will slowly approach on Thursday, and move through Thursday night.
736 AM EDT Wed Jul 26 2017 Aviation A cold front will bring scattered showers and thunderstorms today and into tonight then fair weather will return on Thursday as high pressure builds in.
Clusters of showers and thunderstorms have been able to develop along boundaries and cloud lines, especially near and north of the Lower Keys.
1113 AM EDT Wed Jul 26 2017 Update A cold front will bring scattered showers and thunderstorms today and into tonight then fair weather will return on Thursday as high pressure builds in. This low level jet/moisture transport is expected to sustain itself into the afternoon before moving NE of the area later this afternoon.
Deep layer high pressure remains over the area with low level ridge axis roughly across Lake Okeechobee and mid level ridge axis across central FL. Favorable boating conditions today with low level ridge axis draped across Lake Okeechobee.
1205 PM EDT Wed Jul 26 2017 High pressure over the New England States will continue to move eastward through the day. This will allow low pressure over the Central Plains to move toward the region on Thursday. As the low moves across southern Ohio Thursday evening it will drag a cold front across the area.
This activity should remain isolated in nature, with more favorable lift expected this afternoon ahead of a slowly approaching cold front. Southeast to southwest winds 10 to 20 knots with some gusts to 25 knots will become east to northeast 5 to 15 knots behind a cold front at the Guymon and Dalhart TAF sites after 02Z and 08Z Thursday. Starting tonight, a cold front will slowly approach the northern combined Panhandles bringing showers and storms to the region. A low amplitude meridional pattern will limit progression southward of the main lax gradient along the cold front.
During the upcoming weekend a slight uptick in winds can be expected across the central and northern waters as the gradient tightens some as an amplifying upper level trough over the eastern U. pushes an attendant cold front toward the northern Florida peninsula.
1044 AM EDT Wed Jul 26 2017 High pressure will continue to extend across the area into tonight.
1248 PM EDT Wed Jul 26 2017 Today will be dry and a bit warmer.
925 AM EDT Wed Jul 26 2017 High pressure over the New England States will continue to move eastward through the day. This will allow low pressure over the Central Plains to move toward the region on Thursday. As the low moves across southern Ohio Thursday evening it will drag a cold front across the area.
High pressure will begin to shift east on Friday with light southerly winds developing during the day.
High pressure is now working its way into Middle Tennessee this evening behind an earlier cold frontal passage.
The cold front is moving off to the east tonight, leaving low clouds and fog behind for overnight tonight.
905 PM PST Thu Nov 30 2017 High clouds today ahead of a weak trough off the California coast will drift south into Northern Baja Friday.
1019 PM MST Thu Nov 30 2017 20z surface analysis had high pressure over the southern plains with a lee trough from central MT into southeast WY, which is in response to return flow on back side of high and weak warm air advection.
333 AM EST Fri Dec 1 2017 After a quiet start to the forecast with high pressure holding through the weekend, the weather pattern will feature a notable change with a deep trough dropping into the region for the foreseeable future. Weather through the weekend will be fairly quiet as an area of high pressure at the surface slides through the Ohio Valley and over New England.
320 AM CST Fri Dec 1 2017 Warmer than normal temperatures will dominate this weekends weather, with no measurable rainfall expected. Afternoon highs should be a few degrees warmer than yesterday, especially in central/south-central Kansas given the southerly flow and better mixing potential.
Small update for this evening to expand fog into the Western Basin toward the Moses Lake Area, Waterville Plateau, Grand Coulee, and along the Highway 2 corridor into Lincoln County. At this time, only Moses Lake and Waterville are carrying freezing temperatures while most other locations are in the mid 30s. Boundary layer winds will remain light on Friday from the south/southeast as the next low pressure system approaches.
1113 PM CST Thu Nov 30 2017 High pressure building down over the region will help to keep sur- face winds generally light through tomorrow afternoon. As the high tracks further to the east, winds will be slowly shifting to the E then SE by Friday night.
308 AM EST Fri Dec 1 2017 High pressure has ridged quickly into the region. High pressure will move up the Ohio River Valley today, keeping us with lighter winds but what should be a sunny day after any residual fog burns off in our east.
116 AM EST Fri Dec 1 2017 High pressure through the weekend.
Strong surface ridging continues to build into the Western Great Lakes region early this morning. clouds will gradually diminish from SW to NE across our CWA as the ridge axis builds overhead and then pushes east of our CWA later in the day. with afternoon highs warming into the low to mid 40s.
1210 AM CST Fri Dec 1 2017 Mid top high clouds cover much of the west as a weak trough of low pressure tracks through the region. Across the far southwest and portions of south central North Dakota where thick mid level cloud cover has yet to arrive as of 03 UTC, decreased overnight lows into the lower 20s, with isolated pockets in the teens.
255 AM CST Fri Dec 1 2017 Wx map shows 1025mb high over MO, with weak ridging through TX/LA. The high will provide a fairly nice afternoon, with temperatures reaching the lower 70s.
327 AM EST Fri Dec 1 2017 High pressure has ridged quickly into the region. Given some area obs near freezing, will also throw in wording for a light glaze to develop on bridges/overpasses. High pressure will move up the Ohio River Valley today, keeping us with lighter winds but what should be a sunny day after any residual fog burns off in our east.
231 AM EST Fri Dec 1 2017 High pressure and drier air will follow today as high pressure begins to build into the region from the Ohio River Valley.
240 AM CST Fri Dec 1 2017 Water vapor satellite early this morning shows a rather flat short wave trough moving across the northern Rockies. The cold front with this system will come across late this evening into the overnight hours with some good warm air advection ahead of it.
Currently, VFR conditions are in place across the state, and these should persist over the next 24 hours, however occasional mountain obscurations will be possible over the higher terrain.
The cold front that brought the light rain this afternoon/evening looks to be right over Huntsville as of the 8PM observations. The overall pattern is xpcted to be rather quiet going into the weekend period, as high pressure out of the mid/srn Plains builds ewd into much of the SE region. Temp trends thru the weekend look to be near/slightly above normal for this time of the yr, with highs predom in the mid 60s and lows in the lower/mid 40s. As a trough amplifies across the western half of the U. , it will push the ridge over the U.
255 AM CST Fri Dec 1 2017 Mainly a temperature forecast over the next several days as the upper jet continues to build northward and upper-level high pressure dominates the eastern half of the country.
1101 PM CST Thu Nov 30 2017 Weak ridging over the west with cutoff closed low off Baja. Closed low over the Gulf of Alaska. Am concerned about the return of southerly flow which may prove to warm temperatures warmer than what is suggested. GFS slower and deeper with the trough and ECMWF is more progressive. Friday night front continues to move south across Kansas with clearing skies winds becoming southerly after midnight and temperatures in the low 20s.
1135 PM CST Thu Nov 30 2017 At 3 PM, a 1026 mb high pressure area was centered over Kansas. This high was producing sunny to partly sunny skies. Temperatures were in the lower to mid-40s north of Interstate 94 and around 50 elsewhere. High pressure will drift east through Missouri tonight and then quickly move northeast through the Ohio River Valley on Friday. This will allow temperatures to warm into the mid and upper 40s north of Interstate 94 and into the lower and mid-50s elsewhere. On Friday night, a short wave trough will move north and northeast of the area.
255 AM EST Fri Dec 1 2017 A weak cold front will move offshore this morning. Mild, Pacific high pressure will follow the front for the weekend. Only a few light returns were noted on radar early this morning associated with the passage of a weakening cold front. It appears that the best chance of sprinkles will shift to the SE Coastal Plain through near sunrise, otherwise the drying and sinking air behind the departing mid/upper trough will take over. Dry air at the surface and minimally cooler air will be associated with the dry air ridge (DAR) that is forecast to extend from New England into the Carolinas' tonight.
Quite mild tonight and the higher areas along the west edge of the Red River valley showing temps above 32F with a bit cooler elsehwere. Low amplitude upper ridge extended from the Pacific Northwest into the Northern Plains. Ridge axis will move the area Fri morning. Low amplitude trough will move through the area Fri afternoon. Zonal flow over the northern tier will transition to SW flow by the end of the weekend as an omega ridge amplifies over the west coast of Canada.
453 AM EST Fri Dec 1 2017 A weak cold front moving into the area this morning will stall just south of the area tonight.
High pressure will settle across north Florida. High pressure remains to the north with weak low level winds and some fog formation expected again in the late night hours.
It's questionable whether many raindrops are reaching the ground yet given the sub-saturated low-level air, but we expect potential for a few sprinkles to increase from later tonight into tomorrow as clouds continue to stream over northern Arizona and further moistening of the lower atmosphere occurs. Mid-to-upper level moisture is streaming into Arizona with weak low pressure set up off of northern Baja California. Then, low pressure across the Pacific Northwest is expected to shift eastward with most energy and moisture remaining to our north.
159 AM EST Fri Dec 1 2017 High pressure buiding into NY and PA will bring clearing skies and pleasant temperatures to our region this weekend. Building high pressure will bring clearing skies and comfortable temperatures to NY and PA today.
1238 AM EST Fri Dec 1 2017 A weak cold front will move into the area tonight.
302 AM CST Fri Dec 1 2017 High pressure remains centered over Missouri, resulting in a mild air mass placement, but a predictably cool start under clear skies. 2 AM temperatures range from the upper teens in a few low spots, to the lower 30s in some Mississippi River sites to the south. December arrives like a lamb today, as the high pressure slides east slowly through the day. Yesterday, highs reached the lower to mid 50s associated with mixing just short of 850 mb.
1232 AM EST Fri Dec 1 2017 High pressure buiding into NY and PA will bring clearing skies and pleasant temperatures to our region this weekend. Narrow cold frontal rain band continues to push through CNY/NEPA early this evening. At first, enough low-level moisture should reside underneath the lowering subsidence inversion for a fair amount of stratocumulus clouds across CNY, along with a few flurries or light snow showers. Shallow moisture (as just mentioned), only nominally chilly air, and a rapid approach of surface ridging will keep the Lake Ontario response minimal. Friday night, as surface ridging builds directly overhead, we should see mainly clear skies.