Aikyam-Lab/Synoptic-Bench huggingface dataset:
610 PM CST Tue Nov 19 2024 (This evening through Wednesday night) W weak cold front has moved east of the area this afternoon. So far, not much of a difference in temperatures, in fact it may be just a bit warmer with temperatures in the 80s this afternoon. That said, we'll be watching a secondary stronger cold front.
The cold front has cleared the area leaving steep lapse rates in place. The highest concentration of showers is around the northern and central mountains. A strong trough in the Pacific Northwest will cause a ridge to build over us. A broad, low-amplitude ridge is looking to build over the Intermountain West mid to late this week ahead of a strong low pressure system stalling in the PACNW.
600 PM CST Tue Nov 19 2024 (Tonight through Wednesday night) Key Messages: - Cooler conditions finally make it to South Texas - Elevated Fire Weather conditions expected Wednesday - Small Craft Advisory conditions expected late tonight into early Wednesday night. Reinforcing high pressure will surge south into the area, reaching the coast by 12Z Wednesday. Highs for Wednesday will finally be cooler, staying in the low to mid 70s. As strange as it is to say this, those of you with livestock and outdoor pets will need to make sure they have somewhere warm to hide out as Wednesday night will be the first night of the season where temperatures will drop into the low 40s to the mid 30s.
During the overnight hours, winds will gradually veer and become south southwesterly out ahead of a cold front that will be approaching the region from the northwest. Low temperatures tonight will generally range from the upper 60s across the Lake Okeechobee region to the lower 70s across the east coast metro areas. Tranquil weather will continue today despite the ridge weakening as abundantly dry and stable air remains present in South Florida. High temperatures today will be in the low to mid 80s. By Wednesday morning, the moisture boundary from the Gulf will begin to advect into the Lake Okeechobee region with the cold front boundary located along the northern edge of the moisture plume.
A large low pressure system that is located across the Northern Plains this afternoon, will scoot across the northern portions of the US over the next couple of days. This will drag an associated cold front across the Florida Peninsula on Wednesday. Behind the front, much cooler and drier weather is expected through the end of the forecast period. The trough that will traverse the northern US will dip south across the Eastern US, ushering in some of the coldest air of the season to Florida. High pressure centered to the east of Florida today will lead to breezy southeasterly winds this afternoon with SCEC offshore. A cold front will move over the waters late tonight into Wednesday, bringing showers and thunderstorms to the region along with increasing winds and seas.
917 PM EST Tue Nov 19 2024 High pressure will build toward the region through Wednesday.
This boundary should move eastward as a cold front in the overnight to early Wed morning. Colder air filtering in should result in a cooler overnight lows over our western areas in the lower 50s, with mid 50s more to the east.
443 PM CST Tue Nov 19 2024 - Cold temperatures are forecast for tonight with most areas dropping to or below freezing. Mainly light winds will continue this afternoon with temperatures cooler than yesterday with highs mainly in the 50s. The coldest temperatures so far this season are expected for the Panhandles tonight with widespread subfreezing temperatures by early tomorrow morning. After the colder start to the day, winds will turn to out of the south which will aid in bringing back a warmer airmass for the rest of the day. Another cooler night is likely on Wednesday night, but temperatures should remain a few degrees warmer than they will be tonight.
641 PM EST Tue Nov 19 2024 A cold front will be moving into the area through early Wednesday, bringing a chance of showers with it.
A strong upper level low pressure system to the north will move into our region and weaken into this weekend. This will bring cooler and breezier weather with a chance of precipitation, though timing and exact amounts of rainfall and high elevation snow are still uncertain.
537 PM CST Tue Nov 19 2024 (This evening through Wednesday Night) Cooler weather returns to the Four State Region starting this week as a frontal boundary arrives tomorrow. Ongoing troughing across the Upper Great Plains will shift eastward into the Midwest through the middle of the week, with the bottom of the trough axis veering mid-level flow from southwesterly, to zonal, then to northwesterly with the attendant frontal boundary and post-frontal air mass ushered in.
Tonight into Wednesday Latest water vapor satellite imagery indicates upper level closed low over the Northern Plain States. Clouds were rotating around the upper level closed low per visible satellite imagery. The upper level closed low will slowly meander over the Northern Plains/Great Lakes region through Wednesday. With northerly flow aloft on the backside of the closed upper level low.
As the low pressure system pushes away from the region, do expect conditions to gradually improve on Wednesday from west to east. Cold and dry weather will follow through the balance of the week but ensembles continue to show the next chance for low pressure tracking through the region with accumulating snow by the weekend. NBM90 was blended into the wind grids in order to be better in line with the higher envelope of guidance, reflective of current trends and observations.
- A cold front will arrive this evening, ushering in cooler weather that will last through the rest of this work week.
610 PM EST Tue Nov 19 2024 A cold front will be moving into the area through early Wednesday, bringing a chance of showers with it.
Wednesday, the low slides southeast, across western Wisconsin and eastern Minnesota, placing a tight pressure gradient over the Central Plains.
513 PM CST Tue Nov 19 2024 - A couple of cold nights ahead, especially Wednesday morning, as combined temperature and west wind will likely result in Wind Chill Index values in the lower to mid teens, particularly west of Highway 283.
601 PM EST Tue Nov 19 2024 High pressure will build toward the region through Wednesday.
(This evening through Wednesday) Upper level low pressure system currently situated over the Dakotas will continue to progress east towards the Great Lakes region bringing a jet max above our region by this evening. This upper level pattern will push a cold front through the FA this evening cooling temperatures and making a first freeze likely for parts of the South Plains. Lows for tonight will be below or about freezing on the Caprock and just above freezing off the Caprock.
524 PM CST Tue Nov 19 2024 - Cooler temperatures for the middle to latter part of the week.
601 PM CST Tue Nov 19 2024 (Tonight) Cold front continues to gradually approach NW AL from the west, as light rain/showers continue to develop/spread NE over parts of the area. The influx of cooler air in the wake of the frontal passage may also be delayed more to the daytime hrs Wed before sfc flow turns to the NW. Temps likewise into early Wed look to trend more in the lower/mid 50s for most spots before cooler/drier air arrives past daybreak.
532 PM CST Tue Nov 19 2024 (Rest of today through Wednesday) Showers continue across the area this morning with the cold front near the Tennessee River. The cold front will finally clear the plateau around dawn on Wednesday but a stronger cold front will be on its heels.
345 PM CST Tue Nov 19 2024 - A couple of cold nights ahead, especially Wednesday morning, as combined temperature and west wind will likely result in Wind Chill Index values in the lower to mid teens, particularly west of Highway 283.
A pronounced dry slot will continue to expand over the Upper Midwest as the low continues to occlude, meaning we are done with precipitation until the wrap-around region of the low arrives out of the Dakotas after midnight. Strong cold advection continues behind the surface cold front, with temperatures continuing to fall through the 40s this afternoon & eventually below freezing by tomorrow morning.
A cold front is forecast to push from central Texas tonight into the Hill Country during the late overnight period (closer to dawn). Overnight lows are forecast to range from the lower 40s across the southern Edwards Plateau and western Hill Country to 40s and 50s along and east of Interstate 35, coastal Plains and the southern part of the Rio Grande. The cold front above mentioned is forecast to push across the Hill Country including the Austin metro area around/between 6 am to 8 am and around/between 8 am and 10 am over the San Antonio metro area. The dry front brings cooler temperatures across the local area along with low humidity values. Overall, cooler and dry weather conditions across south central Texas. Some locations could reach the freezing mark especially protected areas along river banks and valleys.
Because of this, the High Wind Warning remains in effect for these counties through 3 PM MST Wednesday.
High pressure will bring a warming and drying trend to the region through the end of the workweek.
530 PM CST Tue Nov 19 2024 Updated at 528 PM CST Tue Nov 19 2024 - A weak cold front will bring cooler temperatures from this evening through the end of the week. As this occurs winds will eventually decrease across the west and with dry air in place and clear skies, temperatures will fall to near or below freezing across portions of western and northern Oklahoma, where a freeze has already occurred. Further east and south some locations may approach freezing, but not quite low enough to warrant a freeze warning at this point.
Today: Gusty west-northwest winds are expected to develop today as cooler and drier air rushes in behind this strong storm system centered to our north. Highs today will be cooler in the low to mid 50s. Tonight: A mostly clear sky is expected tonight and northwest winds will continue in the 10 to 20 mph range which will continue to advect the cooler air into the area. Lows tonight will be in the low to mid 30s.
1017 PM CST Tue Nov 19 2024 - A couple of cold nights ahead, especially Wednesday morning, as combined temperature and west wind will likely result in Wind Chill Index values in the lower to mid teens, particularly west of Highway 283.
1050 PM CST Tue Nov 19 2024 - Cooler temperatures for the middle to latter part of the week.
- A cold front is currently moving across the region, ushering in cooler weather that will last through the rest of this work week.
WV imagery indicates a strong closed upper low shifting east across the Upper Midwest while weak ridging aloft transitions slowly east through the Intermountain West. Near the surface, a broad area of high pressure is spreading from the Colorado Rockies southeast into the Texas Panhandle. A drier pattern is likely to persist early in the period as the SREF indicates ridging aloft continuing to amplify across the Intermountain West while the strong closed upper low in the Upper Midwest shifts farther east through the Great Lakes Region.
926 PM CST Tue Nov 19 2024 Second cold front continues to march southward this evening, currently entering McCurtain County, OK. Aside from this, temperatures will drop behind the front with a noticeably cooler AM, though it will not be coldest we see this week.
As the upper low over the Upper Midwest transitions eastward over the Great Lakes, northwesterly flow will build aloft ahead of the upper ridge over the Great Basin. Surface winds will return to the south-southwest tomorrow night with near normal low temperatures in the lower to mid 30s. The highest chances for below freezing temperatures will be across the far southwest Texas Panhandle and northern South Plains.
Based on surface observations, the cold front is still west of Memphis. As this front moves to the east today it will erode the low level clouds from west to east and at the same time advecting in a much colder and drier airmass. One caveat to this forecast is that if the low level stratus deck erodes prior to sunrise, dense fog may develop.
A line of showers associated with a cold front will continue to move south east over the peninsula. The remainder of the day will be dreary with low clouds lingering as the actual cold front moves over.
Gusty winds will continue to be in place to start the day Wednesday which if the nocturnal inversion were to erode quicker the strong jet will still be in place roughly from a Red Willow to Graham county line where some wind gusts up to 50 mph may be possible before waning through the day as an upper level low across the midwest continues to move east.
1056 PM CST Tue Nov 19 2024 Updated at 1052 PM CST Tue Nov 19 2024 - A weak cold front will bring cooler temperatures from this evening through the end of the week. As this occurs winds will eventually decrease across the west and with dry air in place and clear skies, temperatures will fall to near or below freezing across portions of western and northern Oklahoma, where a freeze has already occurred. Further east and south some locations may approach freezing, but not quite low enough to warrant a freeze warning at this point.
1052 PM CST Tue Nov 19 2024 Second cold front continues to march southward this evening, currently entering McCurtain County, OK. Aside from this, temperatures will drop behind the front with a noticeably cooler AM, though it will not be coldest we see this week.
105 AM EST Wed Nov 20 2024 High pressure will build toward the region through Wednesday.
1129 PM CST Tue Nov 19 2024 (Tonight through Wednesday night) Key Messages: - Cooler conditions finally make it to South Texas - Elevated Fire Weather conditions expected Wednesday - Small Craft Advisory conditions expected late tonight into early Wednesday night. Reinforcing high pressure will surge south into the area, reaching the coast by 12Z Wednesday. Highs for Wednesday will finally be cooler, staying in the low to mid 70s. As strange as it is to say this, those of you with livestock and outdoor pets will need to make sure they have somewhere warm to hide out as Wednesday night will be the first night of the season where temperatures will drop into the low 40s to the mid 30s.
1141 PM CST Tue Nov 19 2024 (This evening through Wednesday night) W weak cold front has moved east of the area this afternoon. So far, not much of a difference in temperatures, in fact it may be just a bit warmer with temperatures in the 80s this afternoon. That said, we'll be watching a secondary stronger cold front.
1006 PM CST Tue Nov 19 2024 - Cold temperatures are forecast for tonight with most areas dropping to or below freezing. Mainly light winds will continue this afternoon with temperatures cooler than yesterday with highs mainly in the 50s. The coldest temperatures so far this season are expected for the Panhandles tonight with widespread subfreezing temperatures by early tomorrow morning. After the colder start to the day, winds will turn to out of the south which will aid in bringing back a warmer airmass for the rest of the day. Another cooler night is likely on Wednesday night, but temperatures should remain a few degrees warmer than they will be tonight.
119 AM EST Wed Nov 20 2024 A cold front will be moving into the area through early Wednesday, bringing a chance of showers with it.
Even with the cooler temperatures, the strong winds and lower relative humidity will result in elevated fire weather conditions across the western South Dakota plains.
- A ridge develops over WY today with a Bomb Cyclone (low) off the PACNW coast. This ridge will allow a warming trend through this week into this weekend before the low comes onshore.
High pressure is starting to build over Arizona this evening from the southwest. A band of high clouds is moving down the east side of the ridge over northern Arizona this evening. It's a cool day in northern Arizona in the wake of a cold front passage through the four corners this morning. Another cold night is in store, especially near the four corners will lows will drop into the low teens. Warmer conditions arrive tomorrow when we see heights rise in response to a high pressure ridge building north through the Rocky Mountain region.
848 PM PST Tue Nov 19 2024 Warmer and drier weather will dominate the next several days with clear skies and mostly light winds.
A strong low pressure system will bring much needed rain and potentially the first measurable snowfall of the season for some higher elevations Wednesday night into the weekend. 230 AM Update: The warm front has moved into the Finger Lakes and western Mohawk Valley with temps in the upper 40s to low 50s. Temps east of I-81 are in the low 40s and shouldn't fall to much more with the cloud cover overhead. Today will be cloudy and mostly quiet as we sit under a weak ridge moving eastward.
931 AM EST Wed Nov 20 2024 High pressure will build across the region today.
Water vapor shows a lack of moisture rotating westward on north side of upper low toward Lake Winnipeg while moisture is moving southeast on thet west and southwest side of the system into ND and parts of western MN. 700 mb frontogenetical forcing is present just west of the upper low today near or just east of the Red River this morning/early aftn but moisture content is lacking I do believe for any heavy snow. Temps today will be in the mid 20s in west central Minnesota to around 30 far northern RRV and NW Minnestoa as warmer 925 mb temps actually come back south behind the upper low into NE ND/NW MN. Brief 500 mb ridging moves but low level cooling continues esp into north central ND. Highs all areas should be below freezing most days in the extended.
(Today through Thursday Night) An upper low is expected to move southeast through the Midwest today as an upper ridge builds over the Rockies. By Thursday night, the uppper low moves to the east coast and the upper ridge moves into the Plains. A cold front will exit eastern Arkansas this morning. High pressure will build into the state behind the front and this will bring gusty northwest winds to the area. Another dry cold front will move through Arkansas Thursday from north to south. This front will bring another shot of cooler and drier air to the state. High temperatures today will be in the mid 50s to mid 60s and in the lower 50s to mid 60s Thursday.
540 AM CST Wed Nov 20 2024 Cooler temperatures return to the Mid-South today behind a cold front.
(Rest of Today) A cold front was pushing southeast into southern middle TN and north central AL.
The passage of a secondary cold front overnight will bring moderate/strong CAA across the region today. Look for another cool/dry/quiet day tomorrow with highs a degree or two warmer than today. with the slightly warmer readings in/around urban areas.
Highs follow suit as winds shift southerly and high pressure builds in.
Water vapor depicts a significant embedded dry channel, associated with an upstream cold front, situated over Arkansas beginning to make its way into the northwestern portions of the CWA.
541 AM CST Wed Nov 20 2024 (Today through Thursday Night) An upper low is expected to move southeast through the Midwest today as an upper ridge builds over the Rockies. By Thursday night, the uppper low moves to the east coast and the upper ridge moves into the Plains. A cold front will exit eastern Arkansas this morning. High pressure will build into the state behind the front and this will bring gusty northwest winds to the area. Another dry cold front will move through Arkansas Thursday from north to south. This front will bring another shot of cooler and drier air to the state. High temperatures today will be in the mid 50s to mid 60s and in the lower 50s to mid 60s Thursday.
As alluded to in days past, will see snow, albeit light, linger for much of the day as an upper level low wraps overhead. As such, have decided to expand the High Wind Warning further east. Further expansion to the High Wind Warning may still be needed, depending on how much mixing we can achieve - so continue to monitor the forecast for the latest updates. Have already seen a few locations along the Highway 14 corridor drop to one mile.
635 AM EST Wed Nov 20 2024 (Today through Thursday) Deep mid-level troughing dropping across much of the eastern US will push a cold front across South Florida today, kick-starting a drastic change in weather conditions moving forward. High temperatures today will climb to the low to mid 80s ahead of the frontal passage. Low temperatures tonight won't be reflective of that as the really cool (cold?) air won't be here yet, so temps will only drop into the low to mid 60s over interior and SW FL, with upper 60s over SE FL. High temperatures will generally range from the low to mid 70s over interior and SW FL, to the upper 70s over SE FL.
529 AM CST Wed Nov 20 2024 (Tonight through Thursday night) Winds will start picking up in the next few hours as high pressure/cooler temperatures surge into the region.
- Areas of patchy freezing fog possible in far NE MT tonight.
High pressure aloft will bring warmer than normal temperatures to the area as the week progresses.
- Some locations could drop near/below freezing Thursday morning. (Today and tonight) Expect cooler temperatures for the next 24 hours behind a cold front. For tonight, there is a low chance that temperatures fall to freezing to a few degrees below freezing by Thursday morning south of the I-20 corridor due to a dry airmass and light winds.
At the surface, weak west-northwest winds continue to advect cooler, drier air into the Mid-Mississippi Valley. With model soundings showing a bit more saturation in the low levels in south- central Illinois, some low PoPs were added through sunrise to account for the outside potential for measurable rain. The resultant stronger winds will act to send temperatures near to below-freezing areawide tonight and suppress temperatures on Thursday.
509 AM EST Wed Nov 20 2024 High pressure will build across the region today.
Today: Gusty west-northwest winds are expected to develop today as cooler and drier air rushes in behind this strong storm system centered to our north. Highs today will be cooler in the low to mid 50s. Tonight: A mostly clear sky is expected tonight and northwest winds will continue in the 10 to 20 mph range which will continue to advect the cooler air into the area. Lows tonight will be in the low to mid 30s. Thursday: Theh upper low will begin to drop southeast into the Ohio valley, but we'll still be in that northwesterly flow aloft behind the low which will keep the cooler air in place.
238 AM MST Wed Nov 20 2024 High pressure will build over the region over the next couple of days leading to a quick warmup and above normal temperatures Thursday and into this weekend.
Cooler temperatures return to the Mid-South today behind a cold front.
Upper-level ridging will dominate our weather pattern through the weekend keeping our area dry. High temperatures will also be a bit cooler today across south central and southeast Kansas as high temperatures only climb into the low to mid 50s. Canadian high pressure will shift south towards the area tomorrow keeping high temperatures a tad cooler than today in the mid 40s to low 50s.
-Cooler temperatures arrive tomorrow. -Dry weather is expected through the weekend, even as another cold front moves through. Early this morning, a large stacked low pressure system continues to spin over far southern Manitoba/northwest MN, with one associated trough axis recently moving over the forecast area and now to our east.
445 AM MST Wed Nov 20 2024 12Z Aviation Discussion High pressure will build over the region over the next couple of days leading to a quick warmup and above normal temperatures Thursday and into this weekend.
(Today) A passing upper level wave and associated surface cold front pushed through the area yesterday evening. Breezy northwesterly winds behind the front will continue through through the day today, gradually advecting cooler air into the area. Low temperatures will mostly be in the 30s this morning, with the coldest areas near freezing.