Aikyam-Lab/Synoptic-Bench huggingface dataset:
1106 AM CDT Mon Mar 27 2023 GOES-16 Satellite trends this morning depict an upper level low over the Rockies, and broad southwest flow aloft across the Lower Mississippi Valley, Southeast United States, and the Mid-Atlantic States. Surface analysis late this morning places a cold front from East Tennessee Back through Northern Alabama and across Southern Mississippi, Alabama, and Texas. CJC A dry cold front is moving through the Midsouth early this morning with high pressure building across the region in its wake. As a result cooler and dry conditions are in store for the next several days.
Water vapors shows trof axis over the central CONUS, with main upper low over northeast CO and compact short wave over southwest SD. Rather flat upper ridge covers the western CONUS with next upper low offshore the Pac NW. At the surface, inverted trof extends northward from eastern CO to along the western SD border.
1105 AM CDT Mon Mar 27 2023 GOES-16 Satellite trends this morning depict an upper level low over the Rockies, and broad southwest flow aloft across the Lower Mississippi Valley, Southeast United States, and the Mid-Atlantic States. Surface analysis late this morning places a cold front from East Tennessee Back through Northern Alabama and across Southern Mississippi, Alabama, and Texas. CJC A dry cold front is moving through the Midsouth early this morning with high pressure building across the region in its wake. As a result cooler and dry conditions are in store for the next several days.
114 PM MDT Mon Mar 27 2023 Water vapors shows trof axis over the central CONUS, with main upper low over northeast CO and compact short wave over southwest SD. Rather flat upper ridge covers the western CONUS with next upper low offshore the Pac NW. At the surface, inverted trof extends northward from eastern CO to along the western SD border.
Snow showers will continue to move south/east as the trough and associated low pressure move out of the region.
247 PM MDT Mon Mar 27 2023 A weak cold frontal boundary will produce areas of light snow tonight across North-central Montana.
1001 AM CDT Mon Mar 27 2023 Light snow is leaving a dusting of snow for locations near I-94 corridor as upper energy interacts with cold front pushing through the tri-state area this morning. This may cause temps to touch a little higher than forecast given late March sun angle, but still lower than average and likely below freezing, at least in the Valley. Cloud cover continues to increase this morning ahead of a cold front.
1244 PM CDT Mon Mar 27 2023 (Today through Tuesday Night ) A cold front is dropping SE through the state early this Mon morning. Another surge of drier cooler air will move into the state on Tue behind this upper wave. with highs a few deg cooler as a result. Temps Tue night will drop down into the low to mid 30s across the north.
(Tonight) A cold front continues to push southeast through central AL and GA, leaving us in a much drier airmass than we saw 12 hours ago. Overnight lows will be cooler tonight, falling into the upper 40s. Clear skies are forecast overnight as high pressure continues to sink into the southeast region.
Deep low pressure area off WA 44N/136W will develop a warm front inland along 45N early Tuesday morning as the low center tracks toward the California coast.
The low temperatures near/north of US-10 were nudged down a couple degrees.
The last pulse of energy, associated with the upper level trough, shifts northeast across the region this evening, pulling an area of weak upper level dynamics out ahead. In addition, storms weaken as the sun wanes and clearing conditions invade the region as the trough becomes replaced by a ridge of high pressure aloft. 700 mb center of high pressure skirts across the region well before the upper level ridge makes its way across the Great Basin. Veering winds with height favor warm air advection, and atlas, high temperatures climb back up roughly 10 degrees warmer by Tuesday afternoon. Benign weather continues through Tuesday night while the upper level ridge shifts overhead.
SMW A weak upper level disturbance will move across the Lower Mississippi Valley tonight bringing a slight chance of rain showers to East Arkansas later tonight.
949 PM EDT Mon Mar 27 2023 High pressure and dry conditions through early Tuesday then an upper level disturbance brings Another round of light showers mainly Tuesday afternoon and evening.
Mostly clear skies were found across the area today as high pressure moved into the area. Cooler temps, in the 40s, were found across the area. Cooler temps continue into tomorrow.
749 PM EDT Mon Mar 27 2023 A cold front will push should of the forecast area overnight.
A weakening cold front are expected to move southeast over the Peninsula tomorrow; Tuesday, resulting in a chance for scattered showers north of the forecast area and a slight chance of showers elsewhere. A weak cold front is expected to move through the area tomorrow and could bring a slight chance of showers and thunderstorms.
800 PM EDT Mon Mar 27 2023 Tonight and tomorrow morning will feature quieter weather, but a wave of low pressure will bring a chance of showers by tomorrow evening.
Low pressure at the surface will continue to drift east off the Mid- Atlantic Coast this afternoon. Afternoon highs will be in the low to mid 50s for most.
Cold frontal passage this morning has a fresh dusting in the southern Valley, with breezy north-northwest winds in its wake. With pavement temperatures currently above freezing with air temps below freezing, this is creating some blow ice as drifting snow melts on contact with warm pavement temps then refreezes. There is some signal of transient fgen associated with the low level WAA/isentropic ascent.
645 PM CDT Mon Mar 27 2023 (Tonight) A cold front continues to push southeast through central AL and GA, leaving us in a much drier airmass than we saw 12 hours ago. Overnight lows will be cooler tonight, falling into the upper 40s. Clear skies are forecast overnight as high pressure continues to sink into the southeast region.
Mean-layer ridging bridges across the Caribbean, with a maelstrom of westerlies across the CONUS. A convective frontal boundary bisects the westerlies and the ridging, and stretches west along the northern Gulf Coast. The low-level ridge extending west to near South Florida has relaxed somewhat this evening, with southeast winds along the Reef averaging 5 to 9 knots. Temperatures along the island chain are in the mid to upper 70s, with dewpoints in the lower 70s. High pressure will continue to slide east into the central north Atlantic tonight through Tuesday, as a frontal boundary approaches the Florida Peninsula, stalls, and weakens.
Have generally cooled low temperatures up to 5 degrees there over the what was in there to better reflect the cooling trend behind the back-door Canadian cold frontal passage. -Coulston A weak cold frontal boundary will produce areas of light snow tonight across North-central Montana.
(Tonight) Tranquil weather ongoing across the Tennessee Valley this evening as a cooler, drier air mass filters in behind the front that is still stalled well south of the area.
1052 PM EDT Mon Mar 27 2023 A cold front will push should of the forecast area overnight.
957 PM EDT Mon Mar 27 2023 A cold front will move through with only minor rain chances Tuesday.
752 PM EDT Mon Mar 27 2023 Low pressure and widespread rain has shifted off to the east but clouds will hang on overnight. High pressure then takes over at mid week and the region dries out before the next larger disturbance begins to impact the area for the end of the week. High temperatures to range from the mid 40s north to the lower 50s south.
Most of the excitement regarding this current storm system will be over by this evening, No changes regarding the highlights as the high res models generally show the snow ending around 6 pm. I will let the Winter Storm Warnings for northeast Weld and Morgan counties expire at 3 pm, but continue the rest of the highlights through 6 pm. It will be quiet tonight and Tuesday as a ridge of high pressure build over the central Rockies. Tuesday will be dry and warmer, but still around 10 degrees below seasonal normals.
746 PM EDT Mon Mar 27 2023 A cold front will move through with only minor rain chances Tuesday.
550 PM MDT Mon Mar 27 2023 UPDATED AVIATION SECTION A weak cold frontal boundary will produce areas of light snow tonight across North-central Montana.
A few showers will be possible tomorrow afternoon with the passage of this trough, but only a slight chance with light QPF. High temperatures on Tuesday will be much cooler with readings a few degrees below normal. Slight chance to a chance of showers later Tuesday primarily north of the Southern Valley and Plateau, with the best chance for the higher elevations. As a result, a weak low pressure center will develop east of Tennessee, bringing the return of cloud cover and chances of light rain. Following the passage of the cold front earlier today, overnight lows and highs tomorrow will be running a lot cooler, even a few degrees below normal for the end of March.
649 PM CDT Mon Mar 27 2023 A weak upper level disturbance will move across the Lower Mississippi Valley tonight bringing a slight chance of rain showers to East Arkansas later tonight.
531 PM MDT Mon Mar 27 2023 Most of the excitement regarding this current storm system will be over by this evening, No changes regarding the highlights as the high res models generally show the snow ending around 6 pm. I will let the Winter Storm Warnings for northeast Weld and Morgan counties expire at 3 pm, but continue the rest of the highlights through 6 pm. It will be quiet tonight and Tuesday as a ridge of high pressure build over the central Rockies. Tuesday will be dry and warmer, but still around 10 degrees below seasonal normals.
718 PM EDT Mon Mar 27 2023 A mainly dry overnight and Tuesday as weak high pressure moves across the Ohio Valley.
945 PM EDT Mon Mar 27 2023 High pressure building in from the northwest will give us a quiet night with light winds and seasonably cool temperatures under partly to mostly cloudy skies. Low pressure at the surface will continue to drift east off the Mid- Atlantic Coast this afternoon. Afternoon highs will be in the low to mid 50s for most.
Another surge of colder air will filter into the area overnight with temperatures falling to near freezing along the OK/KS border by Tuesday morning. A subtle wave in southern stream may result in a few light showers near the Red River tonight, otherwise dry with chilly overnight lows, potentially below freezing in areas near the OK/KS border.
620 PM CDT Mon Mar 27 2023 (Tonight through Tuesday night) A cold front is stalling across our CWA stretching from near Victoria to Del Rio and then off to the northwest.
631 PM CDT Mon Mar 27 2023 (This evening through Tuesday) A short wave trough will depart the region tonight but dramatic changes will come with this for at least a day. The dryline currently cutting across the South Plains will quickly be overtaken by a strong cold front during the evening and overnight hours.
339 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.
143 AM EDT Tue Mar 28 2023 Tonight and tomorrow morning will feature quieter weather, but a wave of low pressure will bring a chance of showers by tomorrow evening.
Cooler and drier air expected to filter across the region Tuesday night with lows near 50/lower 50s north to the mid/upper 50s along and south of the I-10 corridor. Highs Wednesday afternoon in the lower 70s.
The forecast remains on track, with relatively dry and warm weather prevailing from now through Wednesday due to weak ridges of high pressure. As the Atlantic ridge retreats eastward today and tomorrow due to an approaching cold front, winds will become gentle to light, then variable and light.
332 AM EDT Tue Mar 28 2023 High pressure will build over the Middle Atlantic today and remain into Wednesday.
Otherwise, relatively quiet/tranquil wx conditions are expected later today, as high pressure out of the mid/southern Plains begins to gradually build eastward into the Midwest/Mid South areas.
Chilly conds wl be noted Wed mrng, with much of north AR falling into the lower and mid 30s.
and Wednesday Skies should start out sunny today, with clouds increasing during the afternoon as an upper trough and surface cold front approach from Minnesota. The cold front will move across Wisconsin tonight, accompanied by snow showers which could produce a dusting to half inch of snow. Lows will be near or a little cooler than normal.
Cloud cover associated with the low pressure system centered off the west coast of Oregon is moving into the Northern Rockies today. Moisture is forecast to deepen today as a warm front moves into the region from the southwest, and high resolution models are showing showers developing this afternoon and evening in central Idaho into southwest Montana.
Look for highs generally in the lower 60s and lows lower 30s to lower 40s.
(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.
409 AM EDT Tue Mar 28 2023 Despite a cold front passing through the UP this morning, not much in the way of precipitation is being observed, with only the IWD METAR showing snow at the time of writing this discussion. While 850mb temperatures behind the front do drop into the lower negative teens C over western Lake Superior, the surface layer will be far too dry for much more than flurries and light snow showers, though this will help keep clouds in the forecast. EPS and GEFS ensemble means are especially highlighting the highlands of Baraga and Marquette Counties as well as western counties/Keweenaw.
Some areas across NRN AR may see temps get near freezing. Lows Wed night will be warmer as well.
High pressure building in from the northwest will give us a quiet night with light winds and seasonably cool temperatures under partly to mostly cloudy skies. Low pressure at the surface will continue to drift east off the Mid- Atlantic Coast this afternoon. Afternoon highs will be in the low to mid 50s for most. Temperatures will be on a warming trend going into the end of the week as warmer air moves in from the southwest.
1233 AM CDT Tue Mar 28 2023 (Tonight through Tuesday night) A cold front is stalling across our CWA stretching from near Victoria to Del Rio and then off to the northwest.
1105 PM CDT Mon Mar 27 2023 (Tonight) Tranquil weather ongoing across the Tennessee Valley this evening as a cooler, drier air mass filters in behind the front that is still stalled well south of the area.
(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.
Right now, we should remain below any wind advisory, but the cooler air will be filtering in. Wednesday will be dry but substantially cooler with highs in the 60s areawide.
Water vapors shows trof axis over the central CONUS, with main upper low over northeast CO and compact short wave over southwest SD. Rather flat upper ridge covers the western CONUS with next upper low offshore the Pac NW. At the surface, inverted trof extends northward from eastern CO to along the western SD border. Flat upper ridge will build in for Tuesday and Wednesday, bringing slightly warmer weather.
317 AM EDT Tue Mar 28 2023 A cold front pushes through the region this evening with isolated showers/storms diminishing late tonight.
Afterwards, high pressure moves into the region Tuesday night, remaining in the vicinity on Wednesday, resulting in lighter winds and dry weather. With greater cloud cover, Tuesday is forecast to be in the low to mid 50s while clearing skies allow Wednesday to warm to the upper 50s to near 60. Tuesday night looks to be the coldest with temperatures in the near freezing to mid-30s range, with areas of frost across the Quad State. Wednesday night will be a little warmer with lows in the mid 30s to near 40.
324 AM CDT Tue Mar 28 2023 (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.
(Today and tonight) A cold front is currently moving through the Concho Valley and Heartland regions.
106 AM EDT Tue Mar 28 2023 A cold front will move through this morning followed by a stronger cold front late tonight.
While most of the CWA will only get at most a few tenths of an inch of rain, the lower Valley could see one half an inch as the front moves through. Tonight, the effects of the cold front will be more apparent as temperatures drop into the mid 50s to mid 60s by Wednesday morning.
120 AM EDT Tue Mar 28 2023 Drier and cooler conditions move in for Tuesday.
Snow showers will continue to move south/east as the trough and associated low pressure move out of the region. Tonight heading into Wednesday morning a weak ridge will move into the area. Models have come into agreement that a trough will dig down into the deep Desert Southwest. The crucial components for this system will be the location of the low and its track. The GFS has an upper level closed low developing over northeastern WY. While the Euro and Canadian do not develop a closed upper low like the GFS.
SMW A weak upper level disturbance will move across the Lower Mississippi Valley tonight bringing a slight chance of rain showers to East Arkansas later tonight. Warmer temperatures are expected for late week with highs in the 70s to lower 80s.
A cold front is currently being ushered southward through north Georgia this afternoon as its parent low rapidly shifts toward the Mid Atlantic coastline. The highest additional rainfall amounts will be across the far southern couple tiers of counties where amounts could reach just over an inch with amounts quickly dwindling farther north. Lows could dip near freezing in the highest elevations in far northeast Georgia.
It will be warmer over the mountains and deserts, and slightly cooler over coastal areas due to increasing onshore flow.
Highs will be in the mid to upper 60s with overnight lows in the mid to low 40s with some upper 30s possible across the highest elevation of northern Georgia.
1109 PM EDT Mon Mar 27 2023 A mainly dry overnight and Tuesday as weak high pressure moves across the Ohio Valley. Dry weather is expected tonight as a weak ridge of high pressure builds across the Upper Ohio Valley region. Clear skies on Wednesday will act to destabilize the lowest levels of the atmosphere. The affiliated surface cold front will extend into the northeast by Wednesday afternoon and evening. When the surface cold front enters the area, long range guidance indicates that 50 to 100 J/kg of environmental SBCAPE. Timing will place the arrival of the cold front near sundown. 2) An abrupt drop in temperatures, with some areas falling below freezing in far northwest PA. Model ensembles indicate a Western CONUS trough will advance eastward, reaching the Central CONUS by late in the week.
At the surface, high pressure will exit the area ahead of an approaching cold front, which looks to track across the CWA during the morning hours. The remainder of the daytime period will be dry across the entire area as high pressure drops in over the Northern Plains.
155 AM EDT Tue Mar 28 2023 A mainly dry overnight and Tuesday as weak high pressure moves across the Ohio Valley. Dry weather is expected tonight as a weak ridge of high pressure builds across the Upper Ohio Valley region. Clear skies on Wednesday will act to destabilize the lowest levels of the atmosphere. The affiliated surface cold front will extend into the northeast by Wednesday afternoon and evening. When the surface cold front enters the area, long range guidance indicates that 50 to 100 J/kg of environmental SBCAPE. Timing will place the arrival of the cold front near sundown. 2) An abrupt drop in temperatures, with some areas falling below freezing in far northwest PA. Model ensembles indicate a Western CONUS trough will advance eastward, reaching the Central CONUS by late in the week.
The low temperatures near/north of US-10 were nudged down a couple degrees. - Potential for snow showers Later Tuesday Night into Wednesday A cold front will push east southeastward through the CWA later Tuesday night into Wednesday.
Did add fog to the grids for the SE earlier and issued a dense fog advisory for Pike/Barbour through 14z/9am CDT with clearing skies and the highest dew points closer to the boundary. Surface moisture boundary (feel free to call it a cold front, if you like) remains draped across the middle of Alabama this afternoon, and is forecast to sag slowly southward tonight.
226 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.
1231 AM CDT Tue Mar 28 2023 (This evening through Tuesday) A short wave trough will depart the region tonight but dramatic changes will come with this for at least a day. The dryline currently cutting across the South Plains will quickly be overtaken by a strong cold front during the evening and overnight hours.
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.
Lows Wednesday night will fall into the low to mid 30s.
320 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.
High pressure then takes over briefly Tuesday night into Wednesday morning before a cold front passes through later Wednesday into Wednesday night.
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.
634 AM CDT Tue Mar 28 2023 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.
628 AM CDT Tue Mar 28 2023 (Today and tonight) A cold front is currently moving through the Concho Valley and Heartland regions.
553 AM CDT Tue Mar 28 2023 (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.
A potent cold front is gradually moving across the coast this morning.
742 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.