Aikyam-Lab/Synoptic-Bench huggingface dataset:
Temperatures were much cooler today than they were yesterday with DFW and Waco recording high temperatures 20 degrees below yesterday's highs. These cooler temperatures are occurring in the wake of a cold front passage that occurred last night with high pressure now dominating the western half of the CONUS.
501 PM MDT Wed Apr 6 2022 Water vapor shows main upper low over the Upper Midwest, with northwest/north flow aloft and notable vort lobes rotating through the flow across southern SASK/Manitoba into ND. High Winds Warnings will remain in effect for much of the western SD plains, and it's probable that a Wind Advisory for far southwest SD will need to be issued once the High Wind Warning for that area expires late tonight.
Upper low sits and spins over the Western Lakes region, with a mid level trough pinwheeling back into the Dakotas overnight.
A strong trough will move into the region late in the weekend, bringing strong southwest winds and a chance for some wintry precipitation. A strong and deep upper level trough continues to dig down across the central US, leaving the southwest in an area of ridging and building heights. The tight gradient between the trough to the eat and the ridge to the west has left us with some gusty northerly winds this afternoon but as both features continue to progress to the east, the gradient should start to let up a bit with winds remaining around 5 to 10 mph overnight. Winds will increase again on Thursday but with the gradient continuing to weaken as the ridge moves overhead, we can expect the gusts to be less of an issue.
Up to an inch additional snowfall accumulation is expected tonight, so some blowing and drifting will impact the morning commute, most notably with slick surfaces as temperatures have gone below freezing in some areas. Winds have fallen more in to the high end advisory range in the overnight hours, however should increase again by mid-morning with increased mixing and a bit stronger cold air advection.
146 AM EDT Thu Apr 7 2022 Aviation With the upper low moving in overhead tomorrow afternoon into the evening.
(Today and Tonight) Breezy northwest winds have relaxed some overnight, although still seeing a few gusts across southeast OK as the secondary surge of cooler air drops south.
1228 AM CDT Thu Apr 7 2022 A vigorous mid/upper trough over the Upper Mississippi Valley area today is progged to meander over that area through tomorrow while sinking slightly southward.
1037 PM MDT Wed Apr 6 2022 Cancelled the High Wind Warning that was previously in effect until midnight for northeastern Wyoming and far southwestern South Dakota. Water vapor shows main upper low over the Upper Midwest, with northwest/north flow aloft and notable vort lobes rotating through the flow across southern SASK/Manitoba into ND. High Winds Warnings will remain in effect for much of the western SD plains, and it's probable that a Wind Advisory for far southwest SD will need to be issued once the High Wind Warning for that area expires late tonight.
The intense 523-528 dm closed low that was over northern Wisconsin at midday Wednesday, is forecast to remain stationary, and still be over northern Wisconsin again midday Thursday. If anything, winds Thursday should be a bit more intense than Wednesday's, and increased gusts to 65 mph in the high wind warning product.
A secondary surface pressure trof passage overnight will add a wind speed bump and slow cooling, perhaps even reverse it, and work with cooling dewpoints to limit radiation fog potential. /issued 328 PM CDT Wed Apr 6 2022/ Clouds and a few showers are moving through the Mid South this afternoon as a cold front has moved through the region. The next few days will be much cooler across the forecast area as temperatures will be much cooler going into the weekend.
Very dry air in place will allow temperatures to plummet this evening with temperatures below freezing expected for much of the area tonight.
Surface analysis depicts a deep 992 mb low over northern Wisconsin, with a cold front extending southward through the Appalachians and the northern Gulf Coast to the western Gulf of Mexico, and a reinforcing front over the Midwest. High pressure over the western Atlantic is gradually retreating eastward. The Keys remain under the influence of a lower to mid level ridge axis over Cuba, which is providing synoptic scale descent across our area, along with significant inversions and dry layers as observed in the 00Z Key West sounding. Today, the cold front will advance quickly eastward across the Gulf and down the Florida peninsula, but the lingering low level ridge nearby and the Cuban shadow should prevent any convection in our area. The longwave trough will move very slowly eastward across the eastern CONUS during the next few days.
Otherwise strong ridging to the west pushes into central and western zones this afternoon for sunny skies and much lighter winds. Temperatures will be in the upper 50s to lower 60s central and west, but will feel warmer with the lighter winds and plenty of sun.
1147 PM MDT Wed Apr 6 2022 Its been a mostly sunny and cool by seasonal standards day across eastern Utah and western Colorado in the wake of yesterday's cold front. After a chilly morning, temperatures have trended 5 to 10 degrees cooler than this time yesterday afternoon. Breezy post- frontal winds have also developed with northerly gusts of 25 to 35 mph reported in several lower valleys with stronger winds at the higher elevations. Another subfreezing night is on tap for the region as clear skies and light winds will support strong radiational cooling into Thursday morning. While subfreezing temperatures are expected elsewhere, vegetation has not been declared susceptible at this time. Thursday will see the ridge of high pressure building off of the west coast slide east to settle over the Great Basin.
328 AM EDT Thu Apr 7 2022 Today, the stacked low pressure system that was responsible for the cold front/precipitation yesterday will drop south through Wisconsin.
1045 PM CDT Wed Apr 6 2022 Latest surface analysis is showing that the cold front has moved off well to the east into the Ohio Valley. This low will move slowly east into the western Great Lakes by tomorrow which should keep the pressure gradient tight across area, so winds will remain gusty out of the west to northwest through tomorrow. Water vapor imagery is also showing the accompanying upper low which will move in tandem into Wisconsin by late tomorrow.
200 AM EDT Thu Apr 7 2022 Showers and thunderstorms return to the area through tonight as a cold front moves across the region from the west. As of 200 AM EDT Thursday: Numerous showers and a few embedded thunderstorms continue to steadily track east across the FA during these wee morning hours, as a cold front pushes into the western NC mountains. Slightly cooler and drier air will advect into the region through the day, but with highs near normal. As of 200 pm Wednesday: Deep upper low and attendant broad/deep trough will dominate the weather across the East Fri through much of the weekend.
245 AM EDT Thu Apr 7 2022 Cold front moves through the region today, bringing an end to the rain and a return of dry and cool weather into the weekend.
131 AM EDT Thu Apr 7 2022 Periodic precipitation chances are expected through the week and weekend with a persistent low pressure pattern.
316 AM CDT Thu Apr 7 2022 A deep upper low centered over Wisconsin will anchor a broad upper trough that extends across much of the eastern two-thirds of the CONUS with the forecast area on the southwestern flank of this upper trough.
Currently, an upper level low is over extreme northern Wisconsin. Weak disturbances will rotate around the upper low and move through the region today and tonight.
High pressure will bring warmer and drier conditions to Western Washington Thursday.
1228 AM CDT Thu Apr 7 2022 (This evening through Thursday) Cooler temperatures expected today and Thursday after the cold front from earlier this morning tracked through the area bring gusty winds along with it. Even with these cooler conditions, we are still seeing critically dry conditions across West Central Texas, along with gusty winds gusting as high as 35 MPH through the afternoon hours.
400 AM EDT Thu Apr 7 2022 A cold front will move across the region today and early tonight preceded by showers and thunderstorms.
Pattern Synopsis/Forecast: Vertically stacked low pressure is currently situated across the western UP at this early hour, and is slowly progged to make slow east-southeastward progress during the day, becoming centered near Green Bay by 00z.
Cold front has pushed east into the NC mountains. Chattanooga Airport, TN 65 42 55 36 52 / 0 10 30 0 0 Knoxville McGhee Tyson Airport, TN 64 41 53 36 50 / 10 10 70 20 30 Oak Ridge, TN 64 40 53 35 51 / 10 10 70 30 30 Tri Cities Airport, TN 63 38 53 34 47 / 20 10 80 50 60.
Cancelled the High Wind Warning that was previously in effect until midnight for northeastern Wyoming and far southwestern South Dakota. Water vapor shows main upper low over the Upper Midwest, with northwest/north flow aloft and notable vort lobes rotating through the flow across southern SASK/Manitoba into ND. High Winds Warnings will remain in effect for much of the western SD plains, and it's probable that a Wind Advisory for far southwest SD will need to be issued once the High Wind Warning for that area expires late tonight.
1239 AM EDT Thu Apr 7 2022 Periodic precipitation chances are expected through the week and weekend with a persistent low pressure pattern. All this is in response to a crossing occluded front extending from Great Lakes low pressure. Throughout the rest of the week, the low pressure over the Great Lakes will progressively mature and cut-off.
938 PM MDT Wed Apr 6 2022 Cancelled the High Wind Warning that was previously in effect until midnight for northeastern Wyoming and far southwestern South Dakota. Water vapor shows main upper low over the Upper Midwest, with northwest/north flow aloft and notable vort lobes rotating through the flow across southern SASK/Manitoba into ND. High Winds Warnings will remain in effect for much of the western SD plains, and it's probable that a Wind Advisory for far southwest SD will need to be issued once the High Wind Warning for that area expires late tonight.
340 AM CDT Thu Apr 7 2022 A robust long wave low/trof will sit and spin slowly over the Great Lakes, drawing down its cooler Canadian sourced airmass, clouds, and showery pcpn off and on over the next 48-72 hours. The GFS continues to be overly generous with its near term qpf output, we'll go toward the higher res models for the first 24 hours.
This drier air expected to slowly erode over the course of the morning as a narrow moisture plume spins around the low into lower MI.
314 AM CDT Thu Apr 7 2022 A powerful area of low pressure over the western Great Lakes helped to drive a strong cold front across the area yesterday afternoon and early evening. Cooler and drier air has also invaded the area, with temperatures now in the low/mid 50s (dewpoints in the 40s) with light west to north winds. Unlike Wed when highs warmed into the lower 80s, highs later today should only rise into the lower 60s, despite plenty of early spring sun this morning and early afternoon. The low pressure and broad troughing to our north will meander around the Great Lakes region and SE Canada into the weekend.
A deep, upper- level trough will continue to move into the eastern half of the U.
A cold front with a line of showers and thunderstorms will move through the region through the rest of the day, with VCTS and TEMPOs for thunder and MVFR/IFR cigs/vsbys starting at 15Z for northern sites and then shifting southward through the day before diminishing this evening. /issued 400 AM EDT Thu Apr 7 2022/ A cold front will move across the region today and early tonight preceded by showers and thunderstorms.
(Today through Friday afternoon) A strong upper low over the Great Lakes region is the center of a large trough that extends from the edge of the Rockies across the plains well into the Eastern US. On the west side of the country a large ridge extends up along the coastal states. This low will slowly churn east today and Friday as the ridge slides east to the Northern Rockies. Lows tonight will range from the low 30s north to around 50 along the Rio Grande.
227 AM PDT Thu Apr 7 2022 High pressure will bring mild temperatures for Thursday. Another cold front moves into the region Friday afternoon, with more shower chances and windy conditions that persist into the weekend.
A cut-off upper low will slowly move through the Upper Mississippi Valley and Great Lakes with the center of the mid-level circulation passing through Wisconsin and Michigan. As the boundary layer cools tonight, and temperatures drop to near freezing, bands of light rain or rain showers will changeover to snow area-wide.
A deep-layer closed low--nearly vertically stacked--is currently situated over the western Great Lakes. Cold midlevel temperatures (-25 to -30C at 500 mb) associated with this closed low, in conjunction with modest daytime boundary- layer warming, will foster a diurnal uptick in shower coverage today.
Although high pressure will be one of the main features today, a strong upper low over the Midwest will continue to generate steady northerly flow into Texas today. Otherwise, abundant sunshine should help temperatures reach the low to mid 70s today.
and Friday The cut off upper low over Wisconsin will drift slowly south today and be over Illinois tonight and Lower Michigan Friday.
Today, the stacked low pressure system that was responsible for the cold front/precipitation yesterday will drop south through Wisconsin.
Surface cold front has reached the eastern FL panhandle at sunrise. Pre-frontal trough and attendant strong-severe convection is currently pushing across northern FL where higher helicities are noted. Did not make changes to forecast max temps across the south reaching the lower 90s and approaching record highs for MLB/VRB/FPR.
A ridge of high pressure will remain in control through the end of the week, with highs reaching the 60s/70s for most of the region by Fri.
Meanwhile, ridging will take place over the western United States. Between these features, there will be a flow right out of Canada, and progressively cooler air and below average temperatures.
/issued 316 AM CDT Thu Apr 7 2022/ A deep upper low centered over Wisconsin will anchor a broad upper trough that extends across much of the eastern two-thirds of the CONUS with the forecast area on the southwestern flank of this upper trough. Modest northwest winds will keep temperatures slightly cooler than average, though even with these lighter winds elevated to near-critical fire danger will exist for locations off the Caprock.
Highs Friday will be much cooler, running 7 to 17 degrees below climatology (highs in the 50s and 60s).
714 AM EDT Thu Apr 7 2022 Periodic precipitation chances are expected through the week and weekend with a persistent low pressure pattern.
West to northwest winds will become gusty on Friday, and strong east of the Cascades as a cold front begins an active period of much colder and breezy to windy weather.
A large and powerful upper level low continues to drift across the western Great Lakes region. Most of the central plains will continue to feel the influence of the large upper level low lumbering its way eastward across the Great Lakes underneath a northwesterly flow regime through Friday.
A powerful area of low pressure over the western Great Lakes helped to drive a strong cold front across the area yesterday afternoon and early evening. Cooler and drier air has also invaded the area, with temperatures now in the low/mid 50s (dewpoints in the 40s) with light west to north winds.
958 AM CDT Thu Apr 7 2022 Gusty northwesterly or westerly winds are already occurring across the Mid-South this morning behind a reinforcing cold front that moved through early this morning. In addition, expect strato-cumulus clouds to begin to develop by mid-day continuing into the afternoon hours as the region remains in a large scale upper trough. Currently, an upper level low is over extreme northern Wisconsin. Weak disturbances will rotate around the upper low and move through the region today and tonight. Temperatures will be even cooler on Friday as highs will be some 15 to 20 degrees below normal. High pressure will build into the region by Friday night, bringing clear and light winds.
High pressure will bring warmer and drier conditions to Western Washington Thursday. A weak cold front will then bring a return to light rain Friday as well as a pattern shift to cooler and more unsettled conditions through the weekend.
Strong ridge of high pressure currently sits along the West Coast, which will slowly flatten and shift east.
Amplifying high pressure over the region will produce above normal temperatures for the forecast area through Friday. The ridge axis will be east of the forecast area by Friday morning, allowing increased southwest flow over the area as a trough approaches the Pacific Northwest. Moisture associated with the approaching trough will start to push light showers across the northern border of the forecast area on Friday night, with dry conditions persisting otherwise.
Cutoff low pressure in the western UP will begin to slowly shift south and east today in response to upstream low pressure approaching Pacific Northwest. Colder air funneling into southwest Wisconsin in the vicinity of the low and to its rear on Friday will result in more of a mix of rain and snow showers tonight and Friday.
528 AM EDT Thu Apr 7 2022 Periodic precipitation chances are expected through the week and weekend with a persistent low pressure pattern.
Current temperatures are already in the lower to mid 80s with dew points still in the upper 70s!! The combination of these two are making for heat indices in the upper 80s to upper 90s. Winds are gradually clocking around as we begin to feel an approaching cold front currently draped across the eastern and southeastern Gulf of Mexico. Cold front is poised to move through late this evening through early Friday with a line of showers and isolated thunderstorms.
Strong winds are the main theme again today, mostly east of the Missouri River where the High Wind Warning continues through the day. Pressure rises in the east will accompany the low pressure moving off into The Great Lakes, this combined with the tight pressure gradient in this area will produce gusts up to 60 mph again today.
Showers and storms have pushed east and south of the area this morning, with the cold front now exiting Barbour county. Drier and cooler air is filtering into the area, with temperatures now in the low 50s across the northwest. A secondary cold front will quickly push southeastward this afternoon. A broad upper level trough anchored by a closed low over the western Great Lakes will eject eastward today in response to a trough approaching the Pacific Northwest and ridging shifting across the Rockies. As the trough axis swings through the Deep South on Friday, cloud cover will increase, mainly across the north, with a secondary shot of colder air spreading southward.
435 AM PDT Thu Apr 7 2022 High pressure will bring mild temperatures for Thursday. Another cold front moves into the region Friday afternoon, with more shower chances and windy conditions that persist into the weekend.
Surface ridging will continue building in from the west along with a continued northwest flow aloft.
Currently, an upper level low is over extreme northern Wisconsin. Weak disturbances will rotate around the upper low and move through the region today and tonight. Temperatures will be even cooler on Friday as highs will be some 15 to 20 degrees below normal. High pressure will build into the region by Friday night, bringing clear and light winds.
The strong area of low pressure continues to spin across northern WI. And we will continue to experience the repercussions from that today with very strong winds with gusts from 40 to 60 mph, the highest gusts still expected in northeast NE where HREF guidance suggests the best chance for those wind warning gusts. With cooler temperatures this morning, the showers will likely start as snow showers in northeast NE, but should become all rain by mid to late morning.
413 AM CDT Thu Apr 7 2022 Strong winds are the main theme again today, mostly east of the Missouri River where the High Wind Warning continues through the day. Pressure rises in the east will accompany the low pressure moving off into The Great Lakes, this combined with the tight pressure gradient in this area will produce gusts up to 60 mph again today.
Otherwise expect clear skies and warming temperatures through Friday with an upper ridge moving through the upper Rockies and high pressure in the northern Plains.
Cooler temperatures this weekend with most areas remaining dry.
603 AM CDT Thu Apr 7 2022 (Today and Tonight) Breezy northwest winds have relaxed some overnight, although still seeing a few gusts across southeast OK as the secondary surge of cooler air drops south.
END Freezing Levels Across the Northwestern Contiguous USA. B PDX 0407 DH12/HZ : Freezing Level / Fzl Change :ID Location and Elev.
A ridge of high pressure will continue to be the dominant feature over the Northern Rockies today through early Friday. A cold front will push into the northwest Montana Friday afternoon and finishing moving across the region by Friday evening.
A ridge of high pressure will continue to be the dominant feature over the Northern Rockies today through early Friday. A cold front will push into northwest Montana Friday afternoon and finish moving across the region by Friday evening.
Sfc analysis reveals a weak cold front passing through the region with a scattering of clouds ahead of the front and mainly east of I-65. Today, the stacked low pressure system that was responsible for the cold front/precipitation yesterday will drop south through Wisconsin.
639 AM EDT Thu Apr 7 2022 Cold front moves through the region today, bringing an end to the rain and a return of dry and cool weather into the weekend. The cold front will be pushing into the western cwa shortly after sunrise. With cold and dry advection beginning by the afternoon, highs will be slightly cooler with readings in the lower 70s west, to the middle 70s east. Overnight lows much cooler that what we have been seeing, with lows falling down into the low to middle 40s. An anomalous 500 mb trough will move across the eastern US on Friday.
236 PM EDT Thu Apr 7 2022 Cold front moves through the region today, bringing an end to the rain and a return of dry and cool weather into the weekend. Cold front moving through the Midlands at 18z. Temperatures in the low to mid 70s through the afternoon. Overnight lows much cooler that what we have been seeing, with lows falling down into the low to middle 40s.
Temperatures tonight and tomorrow night will very much be on the cooler side. Lows tonight should range in the low to mid- 40s, with lows tomorrow dropping into the mid-30s and low-40s. Given additional time in the cold regime, afternoon highs tomorrow look to be slightly cooler than today, with highs getting into the low to upper-60s area-wide.
Another wave on the western edge of the upper low bringing clouds and some scattered precipitation into the area this afternoon. The main difference from yesterday is the cooler temperature with cloud cover building in from the north faster than was observed yesterday.
Low level ridge that has been dominating across the region is sliding east in response to an approaching cold front. As this high slides eastward, surface winds have been ever so slowly clocking around towards the southwest. In addition, cooler air will filter into the region.