Aikyam-Lab/Synoptic-Bench huggingface dataset:
SHORT TERM (Today through Friday): 500mb low/trough across the south central United States and west Texas this morning will move eastward bringing an end to elevated convection across the CWA this morning except across the coastal sections. This will allow temperatures to be warmer today compared to yesterday especially across the western portions of the Rio Grande valley and northwest ranchlands as the lack of cloud cover this afternoon will not inhibit diurnal heating.
155 AM MST Thu Jan 19 2017 Water vapor shows upper ridge over the nrn plains, with trof moving onto the west coast. Another mild day in store with upper ridge in place, although thermal profiles suggest temps will not be quite as warm as yesterday in most places. On Friday, a lead short wave ahead of the west coast trof will push a weak a cdfnt through the cwfa, which will drop temps a few more degrees and closer to seasonal averages. An upper trough will deepen across the West Coast into the weekend, bringing a gradual cooling trend and chances for precipitation.
and freezing rain will impact the Inland Northwest tonight. Freezing rain will be confined to mainly the Moses Lake area with pockets of freezing rain possible northern valleys. more freezing rain around the Moses Lake area. With several valley temperatures hovering around the freezing mark and with some road temperature sensors reading 31-32F around the Sandpoint area, localized freezing rain is expected. With marginal temps for freezing rain in the northern valleys will limit freezing rain to just a chance mention. while continuing to carry likely freezing rain around the Moses Lake area with I-90 and other highways in Grant County continuing to be impacted after last night's ice storm.
Mid to upper 40s North and we are mostly ranging through the lower to mid 50s at this hour.
Several forecasting challenges have been faced with the current upper level trough over the Pacific NW. Warm air has finally arrived to the Oregon side of the Lower Columbia Basin where temperatures have suddenly risen into the mid 30s to lower 40s once the wind shifted to the East-Southeast. There is a band of precipitation extending from Wenatchee southeast to La Grande that is currently bringing freezing rain in the Tri-Cities but this should be short-lived as temperatures warm and the band lifts northeast in the next couple of hours. The Winter Storm Warnings for the eastern mountains will remain in effect although the biggest threat appears to be the sleet and freezing rain.
1148 AM EST Wed Mar 1 2017 Low pressure approaches from the Great Lakes today and lift across northern Maine Wednesday into Wednesday night. High pressure will build toward the area late in the weekend. Low pressure will approach from the Great Lakes this Morning then move across Northern Maine this afternoon into this evening. Warmer air will be pushing northward across the State today as the low approaches so even though precipitation is expected to start as snow, a change to mixed precipitation and rain will occur later this morning. Precipitation is then expected to change back to mixed then snow late tonight as the low moves off to the north and colder air moves in behind the low.
A strong cold front will pass through the area early tonight.
225 PM EST Wed Mar 1 2017 The advance of a strong cold front has brought showers and thunderstorms to the Upper Ohio Region for today. Much cooler temperatures will then last through much of the weekend. However, sufficient moisture present and destabilization of the boundary layer will likely lead to showers and possibly thunder along the cold front slated to cross the CWA in the late afternoon. The late day cold frontal passage will end the severe weather threat and return cold and snow showers chances to the region. Cold advection within upper troughing should result in limited lake and terrain enhanced snow showers.
347 PM CST Wed Mar 1 2017 The cold front has moved through the area and we will begin transition to a colder high pressure system for the next couple of days. As an upper level trough moves to the east.
The most recent development of this broken line has formed along the approaching cold front, which is quickly moving southeast over the past few hours. Temperatures have risen into the lower 70s west of I-65 with dewpoints in the lower to mid 60s. The cold front itself should also make its way out of the local area to the s/e later this evening, as a strong dome of high pressure out of the mid/srn Plains states builds ewd into the SE region. Temps Thu night look to be even cooler, with lows falling close to the freezing mark for many areas. A rather pleasant end to the work week looks to be in store across the TN Valley, as the axis of an upper level trough pushes to the east of the area.
Northwest winds today will mean cooler temps for most so kept prev fcst temp trends.
Cold front has entered Middle Tennessee as a line of storms continues out ahead of the surface front.
Another weak cold front will push through western Nebraska late tonight and bring similar highs Thursday from the upper 30s north central to the mid and upper 40s southwest.
This will bring a weak cold front and snow showers to the area this evening into early Thursday morning. but generally quiet weather is expected as upper ridging begins to build in.
In a nutshell expect high pressure to continue building into the region tonight into Thursday. The high is NOT of Canadian/arctic origin, so temps will only fall to near seasonal norms. It will drag another cold front through Thu night, but most precip chances will stay north/east of the forecast area, closer to the mid lvl support.
and dewpoint as cold front is advancing through the region a little faster than forecasted. A cold front currently located just east of a line from Lufkin. /issued 310 AM CST Wed Mar 1 2017/ Cold front currently approaching the Red River Valley of Northeast Texas near Durant Oklahoma continuing to move southeast. Could see increased convective coverage across the region during the morning ahead of the cold front. Overnight lows tonight to fall into the 40s across most locations with the interstate 30 corridor approaching freezing.
The cold front currently extends from northern Alabama to south central Louisiana, with numerous showers and embedded scattered thunderstorms occurring ahead of the front. This cold front will continue to move southeast at a 25 mph, and will move into the extreme northwest portion of our forecast area late this afternoon. Much cooler and drier air will follow in the wake of the front late tonight through Thursday.
Issued by National Weather Service Corpus Christi TX 252 PM CST Wed Mar 1 2017 The cold front has moved through Southeast Texas and is currently along the coast and will continue eastward this evening and tonight. High pressure will build in from the north and keep breezy conditions along the coast and offshore tonight while inland areas should see winds decrease to lighter levels.
1157 AM CST Wed Mar 1 2017 High pressure continues to build over the area this morning. (ISSUED 551 AM CST Wed Mar 1 2017 ) The cold front is currently from Mena to Russellville to near Mountain Home. the cold front is now pushing SE into the NWRN counties of the CWA this morning. continuing behind the cold front. and temps will be cooler than seen this past day or so.
130 PM CST Wed Mar 1 2017 Cold front continues to march across the mid state this afternoon with a line of storms well ahead of the surface boundary about to exit Middle Tennessee. Drier air is already working its way in behind the front with considerably cooler air poised to advect into the region overnight.
140 PM EST Wed Mar 1 2017 The advance of a strong cold front has brought showers and thunderstorms to the Upper Ohio Region for today. Much cooler temperatures will then last through much of the weekend. However, sufficient moisture present and destabilization of the boundary layer will likely lead to showers and possibly thunder along the cold front slated to cross the CWA in the late afternoon. The late day cold frontal passage will end the severe weather threat and return cold and snow showers chances to the region. Cold advection within upper troughing should result in limited lake and terrain enhanced snow showers.
Deep mixing with windy conditions is promoting the warmer temperatures as well. Latest water vapor imagery shows amplified flow with a broad long wave trough over the central US, with the axis over central NEB, moving eastward and gulf moisture being transported northward into and beyond the Ohio Valley. Otherwise, similar to slightly cooler high temperatures today with 850 hPa temperatures peaking -2 to -7 C from southwest NEB to north central NEB. Otherwise cold air advection with cooler highs can be expected, with mid to upper 30s across northern Nebraska and mid 40s across the southwest. Winds will quickly turn south Thursday night ahead of a developing leeward trough.
1037 AM MST Wed Mar 1 2017 18Z TAF CYCLE Upper ridge building over Great Basin/NM next 24 hrs with decreasing nw winds aloft. Temperatures central and east will be several degrees cooler today as cooler air funnels in from the northeast.
941 AM MST Wed Mar 1 2017 Northwesterly flow has set up on the back side of the trough that brought all the snow to the area yesterday. Cold air will remain across the area with high temperatures still running about 10 degrees cooler than normal for this, the first day of meteorological spring. After a brisk start to the day, temperatures will begin to warm up and though still not quite reaching 'normal' values, it should be noticeably warmer than Wednesday.
430 PM EST Wed Mar 1 2017 The advance of a strong cold front has brought showers and thunderstorms to the Upper Ohio Region for today. Much cooler temperatures will then last through much of the weekend. Strong low level lapse rates look to extend up toward the lower part of the dendritic growth zone simultaneously with the column supporting a changeover from rain to snow. Fries Cold advection within upper troughing should result in limited lake and terrain enhanced snow showers.
Drier and cooler air now filtering into South Texas with dewpoints in the 30s and 40s behind the front.
Highs were reached earlier this morning, with temps gradually slipping into the upper 30s and 40s during this afternoon behind a cold front. Late morning surface analysis shows strong 994 mb low pressure over central lower MI with its cold front extending thru central IN and western KY/TN. Its convection moved east of IL early this morning while wrap around light rain/snow showers were over eastern IA/NW IL and sw WI where cooler temperatures were in the 30s. Temps had already slipped into the upper 30s nw of the IL river while areas southeast of I-70 had slipped into the lower 50s by 1030 am. As strong low pressure pulls away, WNW winds will gradually weaken late this afternoon and during this evening to 15-25 mph.
Otherwise, the associated upper level trough swings through the Great Lakes through Thursday, with the best forcing across Lower Michigan tonight. Areas closer to the lake shore could see slightly higher amounts up to 1 inch, but given warmer ground temps, etc. Conditions quiet down for a brief time Thursday morning with weak ridging aloft, but we'll start to feel the impacts of the next system-a clipper making it's way down into WI/IA/IL by late afternoon. As it drops southeastward into Indiana it is somewhat absorbed into the exiting trough before it continues into eastern Ohio Thursday night.
Snow associated with this trough push east through central/southwest WI. Another weaker mid-level trough dropping into the region overnight for the possibility of another trace to locally 1/2 inch of snowfall.
1225 PM EST Wed Mar 1 2017 Update Low pressure will move east and colder air will arrive today with rain changing to snow by the afternoon. Impacts should be minor although there could be some slippery spots on untreated roads as temperatures drop well below freezing overnight.
301 PM CST Wed Mar 1 2017 The aforementioned cold front has finally moved through the entire region, leaving behind mostly sunny skies and gusty northwest winds near 20 mph with higher gusts. Its possible some overnight lows may fall to around the freezing mark north of the interstate 30 corridor over the next couple of nights.
At 3am, the associated cold front is draped through central Missouri southwestward into northern Texas. This cold front will move into Central AL this afternoon, sparking a chance for thunderstorms across the area.
Cold front continues to progress across Deep South Texas, and is currently approaching KMFE. The approach and passage of a cold front today will bring veering and increasing surface winds to the aerodromes. /issued 407 AM CST Wed Mar 1 2017/ SHORT TERM (Now through Thursday): A weak cold front will traverse through Deep South Texas and the Rio Grande Valley late this morning through early this afternoon.
246 PM EST Wed Mar 1 2017 A cold front will rush through the area today bringing much colder air with showers and isolated thunderstorms. Bigger concern is the synoptic winds which will develop in the tight gradient as the upper low deepens. Winds will still be ripping however as the low bombs off New England.
329 PM EST Wed Mar 1 2017 A cold front will rush through the area this evening bringing much colder air with showers and isolated thunderstorms.
Temperatures are in the low to mid 80s across the island chain with dew points in the low to mid 70s. The Pulley Ridge buoy remains at 3 ft.
200 PM EST Wed Mar 1 2017 It will be warm and windy ahead of a cold front this afternoon. Dry and cooler conditions will follow the front for the end of the week. The main issues are windy conditions ahead of a cold front this afternoon and possible severe thunderstorms this evening/tonight. The cold front will move east of the Midlands around 2 am. Northwest downslope flow behind the front will bring a cooler and drier airmass into the area late tonight. Drying will occur behind the cold front Thursday.
1247 PM EST Wed Mar 1 2017 The advance of a strong cold front has brought showers and thunderstorms to the Upper Ohio Region for today. Much cooler temperatures will then last through much of the weekend. Moderate rain will continue for the next hour or two before a break occurs with subsidence ahead of the cold front currently lagging in Indiana. The strength of the line of progged convection is uncertain at this time and will depend on how unstable the lower atmosphere can get before the front arrives. Late day cold frontal passage will end the severe weather threat and return cold and snow showers chances to the region. After the FROPA, upper troughing, cold advection, and limited lake and terrain enhancement should result in scattered snow showers through Thursday as temperatures return to sub average.
247 PM EST Wed Mar 1 2017 Low pressure approaches from the eastern Great Lakes tonight and lifts across northern Maine early tomorrow morning. High pressure will build toward the area late in the weekend. A low over lake Erie, with an associated warm frontal system that extends east across Maine. The low will move east into southern Quebec early tomorrow morning, its associated cold front will move into western Maine. The low will track across northern Maine tomorrow morning, as the cold front moves into western New Brunswick. Low pressure will exit through the Canadian Maritimes Thursday night with sharply colder air expected to move back into the area on gusty northwest winds.
Flow aloft backs slightly to west northwest, inducing a more well developed surface lee trough and enough mixing to keep temperatures from bottoming out too much.
1234 PM EST Wed Mar 1 2017 Low pressure over will move northeast across the central Great Lakes early today dragging a cold front across the area. This will be followed by a reinforcing cold front tonight.
355 PM CST Wed Mar 1 2017 Tonight and Tomorrow: As a cold front continues working southeastward through the forecast area this afternoon, some thunderstorms along the front have become strong to severe. A noticeably cooler night is then on order for tonight behind the cold front. Some locations may be as much as 20 to 30 degrees cooler than last night.
The low pressure system that brought our severe weather last night will continue to drift eastward, bringing a cold front across the area. The line of storms associated with the initial cold front had moved east and had cleared Lima Ohio by 430 AM EST.
237 PM CST Wed Mar 1 2017 Very high fire danger continues this afternoon behind cold front with two large fires noted on satellite/radar over northern Creek county.
With lighter winds and less near surface turbulence, the temperatures are likely to fall a few more degrees than last night, and as cold as the low teens in the higher terrain far western counties based on the various MOS output that is colder than the models.
221 PM CST Wed Mar 1 2017 A sunny and breezy day had taken shape after a strong cold front moved through the region last night. Cooler temperatures were in place as winds were gusting in the 20 to 30mph range across the area. Winds will lighten up this evening as a lobe of high pressure slides over the Ozarks and temperatures fall into the 20s tonight. High pressure will be in control of the regions weather for the end of the week and into the weekend. A relatively flat upper level ridge will slide over the region which will help to bring a warming trend to the Ozarks through the weekend.
353 PM CST Wed Mar 1 2017 (Tonight and Thursday) Northeast winds have been gusty today behind a cold front, but expect winds to continue to decrease through the late afternoon and evening. Have kept lows tonight on the cool end of guidance, with some areas in the big country and other low lying and rural areas around freezing. looking for warmer temperatures and light east winds shifting around to the southeast.
SHORT TERM (Now through Thursday night):The weak cold front continues to drift southeastward across the region, and is passing through Cameron and Willacy Counties currently. The cooler airmass and drier air behind the front will allow temperatures to fall into the 50s tonight.
227 PM CST Wed Mar 1 2017 A cold front has moved through most of the region this afternoon, with much cooler temperatures filtering into the area in its wake. Mostly clear skies will continue as the region remains under dry quasi-zonal to slight northwesterly flow aloft, and given light winds expected tonight, lows will be much cooler than the past several nights. Temperatures overnight will generally be in the low to middle 30s for most of the area, with upper 20s possible across northern Lea county and the Marfa Plateau, and lower 40s through Terrell county and the Rio Grande Valley.
Within that area, severe weather parameters indicate the southern Plateau and Chattanooga areas have the highest threat. With a NW flow providing cold advection through tomorrow, temperatures will be much cooler, with highs in the upper 40s to upper 50s.
Cold front continues to push through the region though winds have already veered towards the north.
105 PM EST Wed Mar 1 2017 Cold front will push east through the area today. Behind the front, a cooler airmass will settle into the region through the end of the work week.
1245 PM EST Wed Mar 1 2017 Aviation Low pressure will move east and colder air will arrive today with rain changing to snow by the afternoon. Impacts should be minor although there could be some slippery spots on untreated roads as temperatures drop well below freezing overnight.
141 PM EST Wed Mar 1 2017 Hydro Low pressure will move east and colder air will arrive today with rain changing to snow by the afternoon. Impacts should be minor although there could be some slippery spots on untreated roads as temperatures drop well below freezing overnight.
However, an approaching cold front will bring a risk of convection to the area beginning around 20z and persisting through around 02z. MCB and BTR have the highest risk of convection, and have TEMPO wording in the forecast to reflect a period of possible MVFR restrictions returning for a few hours.
and dewpoint as cold front is advancing through the region a little faster than forecasted. A cold front currently located just east of a line from Lufkin. /issued 610 AM CST Wed Mar 1 2017/ For the ArkLaTex, a strong cold front is gusting the NW winds across the I-30 corridor at this time. Little in the way of rain on the front with some found on the pre frontal trough stealing moisture overnight. /issued 310 AM CST Wed Mar 1 2017/ Cold front currently approaching the Red River Valley of Northeast Texas near Durant Oklahoma continuing to move southeast. Could see increased convective coverage across the region during the morning ahead of the cold front. Overnight lows tonight to fall into the 40s across most locations with the interstate 30 corridor approaching freezing.
Mid- to upper-level high pressure ridging is slowly building-in from the west. At the surface, the attendant low centered over southwest SK this afternoon will also continue moving southeastward, while the cyclonic circulation of this low should allow frontogenetical low-level convergence and narrow bands of precipitation to persist over portions of North-Central MT through this evening and perhaps into Thursday morning. Lastly, the high wind warning has been cancelled given observed wind trends and latest model guidance.
1129 AM CST Wed Mar 1 2017 The cold front hat pushed through the area last night and brought severe weather has shifted well to the east this morning. The upper level trough associated with this system will move through the area today.
1130 AM CST Wed Mar 1 2017 A strong cold frontal boundary continues to slide east through our region this morning. Even further west temperatures were in the 40s as the cooler and drier air mass continues to settle into the region.
Expect cloud cover to quickly diminish this evening, as ridging builds in behind the front. Fairly strong cold air advection will continue via northwest flow on Thursday, as an area of high pressure pushes toward the Tennessee Valley. This will make for a cooler day on Thursday, with highs in the lower to mid 50s. A stronger (but dry) cold front is still expected to push through the area on Thursday night. This should bring breezier conditions to the area, but mainly in the higher elevations.
High pressure ridge will dominate the region through the end of the week before a storm system approaches the region over the weekend.
415 PM EST Wed Mar 1 2017 A low pressure area will move northeast across the Saint Lawrence valley overnight. Rain showers overnight will change to snow showers over the higher elevations of the Adirondacks and Green Mountains after midnight tonight.
252 PM EST Wed Mar 1 2017 A strong front will push through GA overnight as an upper trough deepens into the Great Lakes and Ohio Valley. A much drier and cooler air mass will build into the area tomorrow and tomorrow night. Some temperatures near freezing are in store for northeast GA tomorrow night.
1039 AM MST Wed Mar 1 2017 Current surface map places weak high pressure across eastern Montana into Wyoming.
240 PM CST Wed Mar 1 2017 Wx map shows cold front moving through Central and Western Louisiana this afternoon. With temperatures in the lower to mid 80s and dewpoints in the upper 60s to lower 70s ahead of the line, a broken line of showers and thunderstorms developed within the last couple of hours along the frontal boundary.
312 PM EST Wed Mar 1 2017 A cold front will bring showers and thunderstorms late tonight.
As high pressure passes through Thursday night, low temperatures will bottom out in the single digits on either side of zero.
1159 AM CST Wed Mar 1 2017 High pressure continues to build over the area. (ISSUED 1157 AM CST Wed Mar 1 2017 ) High pressure continues to build over the area this morning. (ISSUED 551 AM CST Wed Mar 1 2017 ) The cold front is currently from Mena to Russellville to near Mountain Home. the cold front is now pushing SE into the NWRN counties of the CWA this morning. continuing behind the cold front. and temps will be cooler than seen this past day or so.