Aikyam-Lab/Synoptic-Bench huggingface dataset:
953 AM CDT Tue Mar 28 2023 High pressure is building in to our west, clouds are clearing, and it's shaping up to be a beautiful day across Middle Tennessee. With high pressure taking over across the region, the stage is set for temperatures to dive into the low 30s and this spells widespread frost tomorrow morning.
A few light showers are moving through the region this morning, but high pressure will settle in and we will be dry for a few days. Warmer temperatures are expected for late week with highs in the 70s to lower 80s.
*** Snow showers have mostly moved south of the region this morning with skies clearing to the north as high pressure slides into the northern plains. Well below normal temperatures are expected through Wednesday morning when the high will begin moving eastward.
618 AM CDT Tue Mar 28 2023 (Today and tonight) A cool day is in store as a fairly strong cold front moved through the forecast last evening with low level cold advection continuing through the morning hours.
809 AM EDT Tue Mar 28 2023 Weak ridging remains draped over the state this morning ahead of a cold front expected to push across the peninsula over the next 24-36 hours. The front and associated rain chances clear our area to the south by late Wednesday with high pressure building into the state filtering drier air into the peninsula.
1044 AM EDT Tue Mar 28 2023 High pressure will build over the Middle Atlantic today and remain into Wednesday.
A stalled frontal boundary this morning will maintain shower and non-severe thunderstorm chances early over southeast portions of the forecast area, but then expect the front to push south with drier and cooler air moving in for the remainder of the day and tonight.
Temperatures today will be slightly cooler compared to yesterday with highs this afternoon in the low to mid 70s and low tonight in the low 50s north of Huntsville, mid 50s along I-10, and then low 60s along the immediate coastline. Lingering cloud cover and scattered showers will keep afternoon temperatures in the low 70s on Wednesday, but returning southeasterly flow will bump low temperatures up Wednesday night back up into the mid to upper 50s for most of the area and low to mid 60s along the coast.
618 AM EDT Tue Mar 28 2023 High pressure will build over the Middle Atlantic today and remain into Wednesday.
RAH (Issued 324 AM CDT Tue Mar 28 2023) Today through Wednesday: A weak trough moving through the area this morning will bring a steady northwest breeze to the area through the first half of the day, before winds turn more westerly early this afternoon and eventually southwesterly by late this afternoon. Temperatures today will reach the low to mid 40s. Attention then turns toward a fast moving cold front that will pass through the region late tonight and early Wednesday morning. Northwest winds will be gusty through the morning, then gradually diminish as high pressure moves in.
Warmer conditions are expected today and tomorrow.
533 AM EDT Tue Mar 28 2023 Mainly dry weather is expected through tonight under an area of weak high pressure. A crossing cold front will return rain and snow showers to the area Wednesday afternoon and evening.
Storm totals from Wed AM through Fri AM will likely reach 5-12+ inches across almost all of our mntns, with rain mixing in as far north as Ashton and Carey Wed afternoon keeping totals to 3 inches or less for most areas below 5,500 feet or so (most of that coming Thu with slightly cooler temps).
559 AM CDT Tue Mar 28 2023 (Today through Wednesday afternoon) A cold front continues to work its way through the area this morning with gusty northeast winds developing behind it. Warmer conditions are expected Wednesday with highs climbing near normal with plenty of sunshine.
* Warmer today and despite being cooler over snow covered areas, should still melt a lot of snow today.
(Tuesday through Wednesday) An upper-trough translating east across the central Plains has allowed for an overall zonal to weak southwest flow pattern across the region overnight. Conditions forecast to improve by daybreak as weak low to mid-level ridging builds areawide eliminating the low to mid-level clouds and sweeping any lingering light precipitation to the east. At the surface, high pressure to build across the region from the northwest bringing northeast winds around 10 to 15 mph with gusts. The higher wind speed values of around 15 mph will occur mainly across northeast Texas. With a cooler airmass building areawide, afternoon high temperatures forecast to climb into the 60s to the lower 70s with the cooler values across southeast Oklahoma and southwest Arkansas.
647 AM EDT Tue Mar 28 2023 A cold front will drift slowly south across the southeast United States today and tonight as a weak system aloft brings rain to our area late today into tonight.
Surface analysis places a 1022 mb high pressure system centered over the central North Atlantic, with a frontal boundary extending from the Gulf Coast northeastward to the Mid-Atlantic. The 12z sounding at KEY sampled falling geopotential heights between 850-700 mb, as the mid-level ridge continues to break down over the Florida Keys. As low- level winds become light and variable for a period later this afternoon and evening, it would not be surprising to see a broken cumulus cloud line try to form along portions of the Lower and Middle Keys, and this will be monitored. High pressure over the central North Atlantic will continue to retreat to the east this afternoon, as a frontal boundary approaches the Florida Peninsula and weakens.
(Rest of Today) Weak cold air advection is occurring at the low levels of the atmosphere this morning. Expect this trend to continue as we warm up this morning, with little additional strengthening of the low level moisture fields shown in models.
526 AM MDT Tue Mar 28 2023 08z surface analysis had weak low over southwest ND with trailing trough into central WY. 1-2mb/3hr pressure falls ahead of trough supporting localized gusty southwest winds (25kts) across the higher Black Hills and north/east foothills.
249 PM EDT Tue Mar 28 2023 A cold front will bring gusty winds and a 1 to 3 hour period of rain and snow mixed late Wednesday morning into Wednesday afternoon, especially north of US-24.
1241 PM CDT Tue Mar 28 2023 High pressure is building in to our west, clouds are clearing, and it's shaping up to be a beautiful day across Middle Tennessee. With high pressure taking over across the region, the stage is set for temperatures to dive into the low 30s and this spells widespread frost tomorrow morning.
340 PM CDT Tue Mar 28 2023 (Issued 340 PM CDT Tue Mar 28 2023) Tonight through Wednesday night: Tonight a cold front will push through the area into Wednesday morning bringing a quick round of snow. Highs are only expected to get into the low to mid 30s with wind chills in the teens and 20s. High pressure then sets up over the area Wednesday night with lighter winds, but temperatures overnight fall into the teens with 20s hugging the lakeshore.
Winds will diminish during the early evening as the cold front moves farther away from our CWA.
226 PM EDT Tue Mar 28 2023 An upper trough will bring some showers to the northern Midlands this evening then push another front through the region.
Otherwise, this fresh high pressure core will move from KN across MO overnight and with light NE winds continuing and passing high clouds to continue as the sub tropical jet remains over the southern states for a couple of days.
An associated weak lower level ridge runs zonally across the Florida Straits and into the Gulf of Mexico. Expect overnight lows in the lower to mid 70s, highs in the lower to mid 80s with dew points clinging to near 70.
248 PM EDT Tue Mar 28 2023 A cold front will bring gusty winds and a 1 to 3 hour period of rain and snow mixed late Wednesday morning into Wednesday afternoon, especially north of US-24.
1243 PM CDT Tue Mar 28 2023 (Rest of Today) Weak cold air advection is occurring at the low levels of the atmosphere this morning. Expect this trend to continue as we warm up this morning, with little additional strengthening of the low level moisture fields shown in models.
Wx map shows cold front and fairly well organized line of TSRA across the 20-60 nm marine zones this morning. Further north, intermittent light showers over South Central Louisiana is diminishing rapidly as the cooler and drier air filters southward.
Cooler air filters in tonight with lows dropping into the low 50s into low 60s.
150 PM EDT Tue Mar 28 2023 High pressure will build over the Middle Atlantic today and remain into Wednesday.
1222 PM CDT Tue Mar 28 2023 (Today and tonight) A cold front is currently moving through the Concho Valley and Heartland regions.
108 PM MDT Tue Mar 28 2023 Water vapor shows low near Hudson Bay with flat ridge across the Northern Plains. Next upper low is just offshore the CA/OR coast. For tonight, jet streak embedded within the flat upper ridge will race across the region, with band of low-mid level frontogenesis producing some light snow from mainly the Black Hills into south central SD.
Early afternoon satellite imagery shows a large area of low pressure off the California/Oregon coast as heavy precipitation associated with atmospheric river moisture streams onshore.
Highs will be slightly cooler in the wake of the weak frontal passage, with temperatures in the upper 60s.
1051 AM MDT Tue Mar 28 2023 08z surface analysis had weak low over southwest ND with trailing trough into central WY. 1-2mb/3hr pressure falls ahead of trough supporting localized gusty southwest winds (25kts) across the higher Black Hills and north/east foothills.
(Tonight through Wednesday night) The short term is still looking cool, wet and cloudy for Deep South Texas and the Rio Grande Valley, with a slightly cooler trend from the last forecast package. The cold front is now south of the Rio Grande, leaving gusty north to northeasterly winds, cooler air, and some showers and thunderstorms in its wake. With a persistent northerly flow through Wednesday and mostly cloudy skies, I decided to trend cooler than the previous forecast and the National Blend of Models (NBM) and topped out highs in the mid to upper 60s for Wednesday. Winds will veer to become easterly on Wednesday night and the onshore flow will allow lows to be slightly warmer than tonight.
(This evening through Wednesday) Showers and thunderstorms have been passing through the far southeastern counties this morning, bring occasional heavy rain and lightning to the area along a cold front. This will bring clearing skies and north flow to Central Alabama through the evening and overnight, with low temps tonight dipping into the low 40s in southern and central areas and the mid 30s in areas from Hamilton/Haleyville over toward Gadsden/Centre.
(This afternoon through Wednesday Night) High pressure is building in this afternoon, causing the thicker cloud cover from this morning to clear out. Lows for tonight will be just above freezing with a few places perhaps dipping down below freezing by a degree or so. Wednesday night looks warmer with lows around 40.
Northerly flow should bring cooler and drier conditions tonight with lows in the 50s to lower 60s. Winds should become southeasterly Wednesday night as a warm front lifts north from the Gulf of Mexico.
1207 PM CDT Tue Mar 28 2023 (Today and tonight) A cool day is in store as a fairly strong cold front moved through the forecast last evening with low level cold advection continuing through the morning hours.
With a bit more sunshine, these may get into the lower 60s before sunset. An area of high pressure center over Kansas and Oklahoma will try to push east overnight and into the area. However, the stalled front and various weak low pressure areas along it over the Carolina into the Atlantic will make it a slow go. Temperatures may be able to drop into the lower to mid 30s in most locations.
(18Z TAFS) TAFs will quickly become VFR this afternoon through tonight as the showers and storms move southeast of our area and cooler/drier conditions begin to filter in from the northwest in the wake of a cold front. Dry and cooler conditions are anticipated beginning tonight into Wednesday.
347 PM EDT Tue Mar 28 2023 Discussion/Marine - Band of snow showers to cross the CWA Wednesday morning An arctic cold front is progged to drop southeast through the CWA Wednesday morning. While surface temperatures may dip to near or just below freezing tonight. they are forecast to climb just above freezing prior to the snow showers arrival.
1225 PM CDT Tue Mar 28 2023 (Today through Wednesday afternoon) A cold front continues to work its way through the area this morning with gusty northeast winds developing behind it. Warmer conditions are expected Wednesday with highs climbing near normal with plenty of sunshine.
1239 PM CDT Tue Mar 28 2023 (The rest of today ) A cold day is underway across eastern Oklahoma and western Arkansas as high pressure builds into the region from the north.
New SHORT TERM (The rest of today ) A cold day is underway across eastern Oklahoma and western Arkansas as high pressure builds into the region from the north.
Typically colder valleys will likely briefly fall below freezing before sunrise.
1153 AM EDT Tue Mar 28 2023 Mainly dry weather is expected through tonight under an area of weak high pressure. A crossing cold front will return rain and snow showers to the area Wednesday afternoon and evening.
236 PM CDT Tue Mar 28 2023 High pressure over much of North Dakota will remain over large portions of the state tonight leading to light winds, dry conditions, and mostly clear skies for most of the area. As high pressure moves to the southeast Wednesday, southerly flow at the surface, along with mostly sunny skies, will help temperatures recover a bit in the west.
137 PM MDT Tue Mar 28 2023 Satellite imagery shows confluent WNW flow over our region, downstream of a weak ridge axis over western MT and a deep low along the Pacific coast. Backdoor cold front has pushed east winds all the way to Livingston, and typical impacts from cold season easterly flow can be expected over the next 24 hours. Temps tomorrow will struggle to get above the lower 30s in our western upslope areas, while our east (w/ much less snow cover) should see upper 30s to mid 40s.
247 PM EDT Tue Mar 28 2023 Dry weather is expected through tonight under an area of weak high pressure. A crossing cold front will return rain and snow showers to the area Wednesday afternoon and evening.
Currently ridging is staying overhead as a cold front slowly start to push our way. This cold front that brought flooding rains and severe weather to parts of the southeast will be a much weaker system as it works through starting early tomorrow morning. Highs will be getting into the mid to upper 80's but the lower humidity will make it feel more comfortable. Another week cold front will be pushing through during the weekend.
A clipper low pressure system will pass north of the region, and drag a cold front through the forecast area tonight. Northwest winds will increase in the wake of the cold frontal passage late tonight into Wednesday, with gusts reaching 25 to 30 mph. Lows tonight will range from around 10 above in the far northwest to the lower to middle 20s southeast.
At 2 PM CDT, skies were either sunny or becoming sunny, with a cold front sweeping through the region, turning winds around to the northwest and breezy. So, will have to see if the return flow pressure gradient is sufficient enough to run sustained winds up into the 15 to 25 mph range Wednesday night.
This will allow cooler air filtering in late tonight with lows dropping into the lower 50s interior SE GA, the mid to upper 50s interior northeast Florida and near 60 along the immediate First Coast beaches. Cooler air filters in tonight with lows dropping into the low 50s into low 60s.
A weak cold front will sink slowly south across the northern and central forecast area tonight. High pressure will build over the northern forecast area on Wednesday with clearing skies and drier slightly cooler air advecting over the region. Currently ridging is staying overhead as a cold front slowly start to push our way. This cold front that brought flooding rains and severe weather to parts of the southeast will be a much weaker system as it works through starting early tomorrow morning. Highs will be getting into the mid to upper 80's but the lower humidity will make it feel more comfortable. Another week cold front will be pushing through during the weekend.
(Now through Wednesday) A fast zonal flow pattern aloft has finally pushed the surface cold front that has been lingering to our northwest over the past few days southward across most of our area. Much drier and somewhat cooler conditions are anticipated beginning tonight into Wednesday.
725 PM EDT Tue Mar 28 2023 Dry weather is expected through tonight under an area of weak high pressure. A crossing cold front will return rain and snow showers to the area Wednesday afternoon and evening.
At 730 PM MDT a cold front in eastern OR extended from western Baker County southward through eastern Harney County and into western Nevada and central California. Front was moving eastward about 25 mph and should reach the OR/ID border around 10 PM MDT, then move more slowly across western Idaho overnight and Wednesday as the supporting upper low moves southward down the California coast. 25 inch pcpn is forecast tonight, or 2-4 inches of snow in the higher terrain, not enough for a Winter Weather Advisory. Unlike most cold fronts this one has the stronger winds ahead of it, mainly from the east or southeast, and only light winds behind it.
Low clouds will clear out some across the north and east keeping lows a bit cooler (low 40s) in these areas than the rest of the region.
732 PM CDT Tue Mar 28 2023 (This evening through Wednesday) Showers and thunderstorms have been passing through the far southeastern counties this morning, bring occasional heavy rain and lightning to the area along a cold front. This will bring clearing skies and north flow to Central Alabama through the evening and overnight, with low temps tonight dipping into the low 40s in southern and central areas and the mid 30s in areas from Hamilton/Haleyville over toward Gadsden/Centre.
Expect high pressure to persist across the region through the next 24 hours or so. By tomorrow afternoon, southwest flow will be well under way ahead of the low pressure system off the northern California coast.
High pressure over much of North Dakota will remain over large portions of the state tonight leading to light winds, dry conditions, and mostly clear skies for most of the area. As high pressure moves to the southeast Wednesday, southerly flow at the surface, along with mostly sunny skies, will help temperatures recover a bit in the west.
722 PM MDT Tue Mar 28 2023 Evening Update: Analysis for aviation forecast resulted in the addition of freezing fog from Malta, through Glasgow, to Poplar.
A cold front will bring a chance of precipitation on Wednesday afternoon along with colder temperatures and gusty winds.
851 PM EDT Tue Mar 28 2023 A cold front will bring gusty winds and a 1 to 3 hour period of rain and snow mixed late Wednesday morning into Wednesday afternoon, especially north of US-24.
N/NW winds are bringing in cooler and drier air into the area. 08 Previous short-term discussion: (This evening through Wednesday) Showers and thunderstorms have been passing through the far southeastern counties this morning, bring occasional heavy rain and lightning to the area along a cold front. This will bring clearing skies and north flow to Central Alabama through the evening and overnight, with low temps tonight dipping into the low 40s in southern and central areas and the mid 30s in areas from Hamilton/Haleyville over toward Gadsden/Centre.
A cold front is presently moving southward through the Santa Cruz Mountains, lying in the middle of a broad band of rain and showers. Somewhat of a break in the precipitation appears on tap for tonight, but with the next and more convective round moving in Wednesday as the cold upper low itself approaches.
806 PM EDT Tue Mar 28 2023 Aviation - Band of snow showers to cross the CWA Wednesday morning An arctic cold front is progged to drop southeast through the CWA Wednesday morning. While surface temperatures may dip to near or just below freezing tonight. they are forecast to climb just above freezing prior to the snow showers arrival.
925 PM CDT Tue Mar 28 2023 (Issued 925 PM CDT Tue Mar 28 2023) We continue to track a cold front upstream of the area that will move through late tonight and into Wednesday morning. This cold front and its associated frontogenesis will bring a transient band of light to moderate snow through the area after midnight. Anderson (Issued 340 PM CDT Tue Mar 28 2023) Tonight through Wednesday night: Tonight a cold front will push through the area into Wednesday morning bringing a quick round of snow. Highs are only expected to get into the low to mid 30s with wind chills in the teens and 20s. High pressure then sets up over the area Wednesday night with lighter winds, but temperatures overnight fall into the teens with 20s hugging the lakeshore.
747 PM EDT Tue Mar 28 2023 An upper trough will bring some showers to the northern Midlands this evening then push another front through the region.
Dewpoints across the region are generally in the low/mid 30s under mostly clear sky conditions. A few thin, high clouds may limit the cooling slightly across portions of north MS, but it will still be cooler than normal.
628 PM CDT Tue Mar 28 2023 (Tonight through Wednesday night) The short term is still looking cool, wet and cloudy for Deep South Texas and the Rio Grande Valley, with a slightly cooler trend from the last forecast package. The cold front is now south of the Rio Grande, leaving gusty north to northeasterly winds, cooler air, and some showers and thunderstorms in its wake. With a persistent northerly flow through Wednesday and mostly cloudy skies, I decided to trend cooler than the previous forecast and the National Blend of Models (NBM) and topped out highs in the mid to upper 60s for Wednesday. Winds will veer to become easterly on Wednesday night and the onshore flow will allow lows to be slightly warmer than tonight.
702 PM CDT Tue Mar 28 2023 (This afternoon through Wednesday Night) High pressure is building in this afternoon, causing the thicker cloud cover from this morning to clear out. Lows for tonight will be just above freezing with a few places perhaps dipping down below freezing by a degree or so. Wednesday night looks warmer with lows around 40.
Temps will fall into the low to mid 30s with winds calming overnight, allowing some frost development to occur. (This afternoon through Wednesday Night) High pressure is building in this afternoon, causing the thicker cloud cover from this morning to clear out. Lows for tonight will be just above freezing with a few places perhaps dipping down below freezing by a degree or so. Wednesday night looks warmer with lows around 40.
Showers will produce beneficial rainfall across the lowlands during the next 24 hours, while periods of light to moderate snow occur across the interior mountains.
The lengthy band of westerlies persists across the CONUS, north of the stubborn mean-layer ridging rooted across the Caribbean and Central America. The 00Z FL RAOBS suggest the western extent of the low- level ridging is across the Keys or the Straits. The forecast calls for slim rain chances and lows in the lower to mid 70s.
Like the 12Z HREF member models, the recent several runs of the HRRR have been consistent with the time of arrival of the cold front and snow. due to combining the onset of snow earlier in the morning, slightly cooler temperatures, and slightly more precipitation output from the last several runs of the HRRR. - Band of snow showers to cross the CWA Wednesday morning An arctic cold front is progged to drop southeast through the CWA Wednesday morning. While surface temperatures may dip to near or just below freezing tonight. they are forecast to climb just above freezing prior to the snow showers arrival.