Aikyam-Lab/Synoptic-Bench huggingface dataset:
A stubbornly wet morning is underway for the Lower Keys while the Middle and Upper Keys have remained relatively rain free. What had started as a thin line of bubbling convection draped across the Lower Keys boiled over into a cluster of training showers. KBYX radar currently detects widely scattered showers around the nearshore waters west of the Lower Keys with isolated showers percolating upstream near the Middle Keys. These conditions are not expected to last however, as a backdoor cold front approaching from the northeast will quickly freshen breezes later this evening and overnight.
An upper level trough will continue to move east into and across the central Plains tonight and into and across the region Wednesday into Wednesday night. An associated cold front will also move west to east across the area during the day on Wednesday. Showers and some embedded thunderstorms will develop ahead of the cold front and upper level trough and will begin to move into the area from west to east early Wednesday morning and will push out of the area by Wednesday evening. Some patchY drizzle will be possible as lift from the low occurs within the area of low level clouds.
158 PM EST Tue Nov 12 2024 - Lows near freezing tonight.
257 PM CST Tue Nov 12 2024 Tonight and Wednesday: Ridging surface and aloft that was so prominent over our CWA early this morning will continue shifting east tonight allowing an inverted trough to increase moisture back across the CWA. This inverted trough was just off the coast of southeast Louisiana at mid afternoon and will continue moving west northwest tonight into Wednesday morning. As the low pressure system draws closer to our CWA, wind profiles will be such that isolated severe storms capable of producing a brief tornado or two will be possible. Temperatures will continue to be warmer than normal.
118 PM EST Tue Nov 12 2024 With the cold front through the area, northwest flow will bring cold air into the region as high pressure settles in.
This is due to a strong high pressure in the Atlantic. A weak cold front will be pushing through tonight.
1137 AM CST Tue Nov 12 2024 (Today through Wednesday) An upper-level ridge over Northern Mexico will continue to support warm temperatures and light to moderate easterly winds.
1131 AM CST Tue Nov 12 2024 (Today through Wednesday) Ridging builds in across the region today into early tomorrow leading to generally dry conditions for the area. A deep trough will move through the Plains and into the MS Valley. With the deepening trough, we should start to see the advection of moisture from the Gulf through the day on Wednesday. This moisture advection will result in increased rain chances initially along what will now be the effective warm front through the evening on Wednesday before the main frontal boundary comes in later.
At the same time, that trough and cold front will begin to move into the Midwest, with the cold front moving through our region tomorrow night.
218 PM EST Tue Nov 12 2024 High pressure moving into the region with clear skies and cold overnight temperatures expected. Dry and sunny conditions for Wednesday, under strong high pressure.
1246 PM EST Tue Nov 12 2024 - Quiet and Seasonable Through Wednesday - One main chance for precipitation: Wed night through Thurs night - Temperatures near to slightly above normal - Quiet and Seasonable Through Wednesday Subsidence and resultant drying from the arrival of surface and upper-level ridging brings plenty of sunshine to West Michigan today. However, the persistence of thermal troughing keeps high temperatures in the mid to upper forties. Conditions look to be dry for the daylight hours of Wednesday as dry air and the influence of surface and upper-level ridging persist.
Clear skies continue to persist across the region, although the weather pattern is in a transition from ridging that is getting squeezed east of the region by a upper level low that is centered across the Great Basin early this morning. While skies will remain mostly clear throughout the day today, high temperatures will be 5- 10 degrees cooler than yesterday due to this trough overhead.
250 PM EST Tue Nov 12 2024 Chilly high pressure will build into the area tonight and Wednesday.
1136 AM CST Tue Nov 12 2024 (Today through Wednesday) Warm conditions continue today, with high temperatures forecast in the low to mid 80s for most areas, upper 80s near the Rio Grande. An associated Pacific cold front will move across south-central Texas on Wednesday.
- Another trough/weather system is likely (70%) for this weekend. The trough/weather system is passing through the area today. An area of moderate snowfall will shift south and east this evening, exiting the area overnight as the trough slides east.
1154 AM CST Tue Nov 12 2024 - This afternoon will be warmer with breezy south winds. - Slightly cooler temperatures will follow a cold frontal passage on Wednesday.
High pressure ridging at the surface and aloft migrates across the MS/OH Valleys today-tonight, while jet energy spills out of the Rockies and induces cyclogenesis in the Central Plains. This storm system approaches from the west while the ridge shifts to the east late Tuesday night into Wednesday.
While upper ridging moves east aloft, sfc flow will veer to the southeast tonight as moisture gradually begins to increase over the local area.
1019 AM MST Tue Nov 12 2024 - Seasonable but cooler temperatures across the Cowboy State today as a quick moving system brings chances for rain/snow this afternoon/evening. Temperatures warm up back up slightly for the second half of the week as some ridging builds over the region. Prob30 groups at LND, CPR, and WRL with the highest confidence, lower at RIW and COD only carrying VCSH.
(Rest of Today) Upper ridging will continue to build just to our west today as high pressure slowly shifts east over the Great Lakes.
326 PM EST Tue Nov 12 2024 High pressure moving into the region with clear skies and cold overnight temperatures expected. Dry and sunny conditions for Wednesday, under strong high pressure.
These winds will continue through late afternoon before slowly subsiding through the early night time hours with the loss of mixing and a weakening surface pressure gradient as a trough approaches from the west. An upper level trough presently located through the Northern and Central Rockies will move eastward through the period, being situated through MN and IA by Wednesday evening. This as the main upper level trough pushes across the region and the aforementioned frontal boundary slides eastward across the area.
Updated at 220 PM CST Tue Nov 12 2024 - A cold front late tonight will result in cooler temperatures Wednesday.
(Tonight) High pressure continues to promote mostly clear and dry conditions for the moment. Surface winds will gradually veer to the SE/SSE overnight and increase in speed, potentially becoming gusty at times into the 15-20 MPH range ahead of a deepening mid/upper- level trough pivoting from the central/southern Plains into the Mid-Mississippi and lower Ohio Valley.
625 PM EST Tue Nov 12 2024 - Lows near freezing tonight.
* WINDS: Increasing southwesterly gusts will arrive early Wednesday to the Sierra ridges and make their way into western Nevada valleys by late morning. Gusts along the ridges may approach 90+ mph by midday. Ridge winds will stay elevated through sunset, with some relaxing of gusts into the overnight hours.
740 PM CST Tue Nov 12 2024 Not much going on weather-wise this evening and into tonight with high pressure dominating the area, leading to mostly clear skies and dry conditions. Our weather pattern changes tomorrow though thanks to a low pressure system currently located over CO and a cold front currently moving into OK and TX. This low tracks towards the Great Lakes area tomorrow, and as it does so, our surface winds will become southerly. With moisture advection and the approaching low and cold front, our rain chances will increase late Wednesday morning and into the early afternoon. It will be cool with lows in the 40s, but still a few degrees warmer than normal for this time of year. A deep trough from the Four Corners will plow eastward, spinning up a low pressure system and cold front.
842 PM EST Tue Nov 12 2024 Dry weather will continue tonight through Wednesday as high pressure moves from the Great Lakes to New England.
Can't rule out some isolated thunder if there is enough destabilization with the low-level warm, moist advection occurring. /NF/ Tonight and Wednesday: Ridging surface and aloft that was so prominent over our CWA early this morning will continue shifting east tonight allowing an inverted trough to increase moisture back across the CWA. This inverted trough was just off the coast of southeast Louisiana at mid afternoon and will continue moving west northwest tonight into Wednesday morning. As the low pressure system draws closer to our CWA, wind profiles will be such that isolated severe storms capable of producing a brief tornado or two will be possible. Temperatures will continue to be warmer than normal.
- Slightly cooler temperatures will follow a cold frontal passage on Wednesday.
527 PM CST Tue Nov 12 2024 Updated at 523 PM CST Tue Nov 12 2024 - A cold front late tonight will result in cooler temperatures Wednesday.
- Above normal temperatures continue through the workweek, then cooler with chances (40 to 80 percent) for rain or snow this weekend. Overnight, lows are forecast to drop down into the 20s northwest to the lower 40s in the southeast.
Four record high temps were set or tied at climate sites across our area today, and a few record high minimum temps may be challenged Wednesday morning before slightly cooler and drier air works its way into the peninsula in the wake of the front. High pressure centered over the NE U. This is due to a strong high pressure in the Atlantic. A weak cold front will be pushing through tonight.
929 PM EST Tue Nov 12 2024 Dry high pressure remains in place through Wednesday.
Deep low pressure is approaching the region this afternoon - the second stronger wave in a series of storms affecting the region.
Temperatures will rebound back toward seasonal normals through midweek before a strong system moves into the region this weekend, returning cooler temperatures, gusty winds, and chances for precipitation.
Discussion: Dry weather will continue for tonight and the first half of tomorrow as a high pressure ridge overhead today will shift eastward through the period. As the mid/upper level ridge axis shifts east of the Appalachians tomorrow morning, mid/high clouds will start to increase from the SW, and a chance of rain will enter our SW Plateau counties in the afternoon, spreading eastward into the Valley by 00Z.
535 PM CST Tue Nov 12 2024 - Slightly cooler temperatures will follow a cold frontal passage on Wednesday.
650 PM EST Tue Nov 12 2024 High pressure will build across the area through late Wednesday.
Mild temperatures and breezy winds are expected today, then warmer than normal temperatures return through the remainder of the work week. A pattern switch is likely this weekend which will bring cooler temperatures and chances for valley rain and mountain snow showers. 2", so the main effect these two features will have is slightly cooler temperatures and breezy southwest. In the wake of the trough a ridge will take its place through the end of the work week.
Cool temperatures and gusty winds describe the day today, but warmer temperatures and lighter winds take over through midweek. A deep trough will push through the Desert Southwest late- week into the weekend, which will return cooler temperatures, gusty winds, and precipitation chances through the start of the work week.
420 PM MST Tue Nov 12 2024 After a cold front passage tonight, the Borderland will see cooler temperatures, calm winds, and clear skies on Wednesday.
633 PM EST Tue Nov 12 2024 Dry weather will continue tonight through Wednesday as high pressure moves from the Great Lakes to New England.
629 PM EST Tue Nov 12 2024 High pressure moving into the region with clear skies and cold overnight temperatures expected. Dry and sunny conditions for Wednesday, under strong high pressure.
737 PM EST Tue Nov 12 2024 Dry high pressure remains in place through Wednesday.
1031 PM CST Tue Nov 12 2024 Updated at 1023 PM CST Tue Nov 12 2024 - Breezy and cooler Wednesday.
Updated at 159 AM CST Wed Nov 13 2024 - Breezy and cooler Wednesday.
(Today) High pressure layered across the mid/northern Atlantic states will allow the influx of moisture to spread back into the central TN Valley starting later today, evidenced by PWs climbing to around 1. An upper ridge pattern which had been in place over much of the eastern CONUS will also translate eastward into the Atlantic states, as a deep/potent upper trough axis rotates across the northern/mid Plains. With the increasing cloud cover/rainfall, afternoon highs look to trend in the lower/mid 60s for most spots.
Spotty showers have filled in through the early morning hours across Nebraska and into western Iowa thanks to a strong southerly jet in the warm air advection wing of the approaching low and attendant upper trough.
1236 AM EST Wed Nov 13 2024 High pressure will build across the area through late Wednesday.
1032 PM CST Tue Nov 12 2024 Not much going on weather-wise this evening and into tonight with high pressure dominating the area, leading to mostly clear skies and dry conditions. Our weather pattern changes tomorrow though thanks to a low pressure system currently located over CO and a cold front currently moving into OK and TX. This low tracks towards the Great Lakes area tomorrow, and as it does so, our surface winds will become southerly. With moisture advection and the approaching low and cold front, our rain chances will increase late Wednesday morning and into the early afternoon. It will be cool with lows in the 40s, but still a few degrees warmer than normal for this time of year. A deep trough from the Four Corners will plow eastward, spinning up a low pressure system and cold front.
1053 PM CST Tue Nov 12 2024 - Slightly cooler temperatures will follow a cold frontal passage on Wednesday.
Currently - A massive and strong high pressure system driving eastward through eastern North America is resulting in steadily strengthening northeast to easterly breezes across the Keys this evening. Deep layered ridging is aligned across our area. While dew points in the Lower Keys are in the mid 70s, drier air appears to be on the way with South Florida dew points sitting broadly near 70.
318 AM EST Wed Nov 13 2024 High pressure will bring sunny, dry and cool weather today with less wind.
As of the 04Z hour, dewpoints remain low enough across the western two-thirds of the region to facilitate cooling into the low to mid 50s, but increasing clouds will inhibit cooling along and east of the I-49 corridor. At the same time, that trough and cold front will begin to move into the Midwest, with the cold front moving through our region tomorrow night.
After that we'll see generally warmer 60s and 40s with perhaps a 70 degree high for some and a few 50s appearing for lows, with these numbers running on the mild side of normal thru the remainder of the forecast. Of note, the extended range models do signal a mid to late week cooldown as a highly amplified long wave trof drops into the Ohio Valley.
152 AM EST Wed Nov 13 2024 - Lows near freezing tonight.
A trough currently over western KS will traverse the area today, bringing an area of showers and perhaps thunderstorms west to east this morning and afternoon.
As the trough continues to dig into the Central Plains and progress eastward, it will continue to advect moisture northward which should help expand the coverage of the showers.
1021 PM MST Tue Nov 12 2024 After a cold front passage tonight, the Borderland will see cooler temperatures, calm winds, and clear skies on Wednesday.
The U/L pattern has amplified across the CONUS with an U/L trough over the plains and an extensive downstream ridge running from Florida north through eastern Canada. Pattern is currently progressive and the trough will push across the Mississippi River Valley today with the ridge axis along the eastern seaboard.
231 AM EST Wed Nov 13 2024 Dry weather will continue through the daytime today as high pressure moves from the Great Lakes to New England.
A round of precipitation along a warm front will move into portions of SE Oregon late tonight and SW Idaho on Wednesday.
1226 AM EST Wed Nov 13 2024 Dry weather will continue tonight through Wednesday as high pressure moves from the Great Lakes to New England.
1014 PM CST Tue Nov 12 2024 Updated at 1010 PM CST Tue Nov 12 2024 - A cold front late tonight will result in cooler temperatures Wednesday.
1158 PM EST Tue Nov 12 2024 - Cooler conditions today.
121 AM EST Wed Nov 13 2024 - Lows near freezing tonight.
Our next cold front moves into the waters tonight with storm force winds likely through Wednesday morning as the front comes onshore.
75" are expected, with the highest totals in western Iowa.
The strongest cold front within an active, wet and windy pattern will move across the area today, and include a chance of coastal thunderstorms (mainly late in the day). Winds will be strongest at the coast, over the higher terrain, in the Shasta Valley, and east of the Cascades with southerly gusts of 45 to 60 mph expected. Shasta area will bring the lower snow levels.
Expect warmer temperatures and light Winds today and Thursday, with dry conditions and sunny skies.
High temps today will be in the low to mid 80s across the east coast metro and around the lake region, to upper 80s over SW FL. Dewpoints in the low to middle 60s will make it a very pleasant day. Afternoon high temps will be in the low to mid 80s.
An associated deep layer ridge also remains over the eastern United States, supporting deep layers of dry air over the southeastern states. Dew points across the Lower to Middle Keys remain in the low to mid 70s; however, surface stations in the Upper Keys show a drying trend and CIMSS satellite derived total precipitable water measured PWAT values from 1.
607 AM EST Wed Nov 13 2024 High pressure will bring sunny, dry and cool weather today with less wind.
Low amplitude ridging builds back in post sys later Fri into Sun ahead of weak nrn stream wave streaking through the James Bay region. The lower layers should saturate rather quickly with ceilings likely to become IFR from 04Z to 08Z.
Current water vapor imagery shows the upper trough currently over the area, moving off to the east. This will likely continue through the remainder of the overnight hours, with the showers lowering in intensity and coverage as drier air continues to be pulled in by the low. For the daytime hours, the continued advancement of the surface and upper low to the east will allow for clear skies during the day as the moisture is pushed out of the area. Temperatures will be a bit cooler as higher pressure follows the front with highs forecast top be in the 40's and 50's. Later this evening, the pressure gradient is forecast to weaken as the low continues to push off to the east. The low lying area in Eastern Colorado could even see temperatures in the teens.
05 Previous short-term discussion: (Today through Thursday) A deep trough is expected to move through the Plains during the day today with a low pressure system developing by this evening in the mid to upper MS Valley. These showers should develop along a diffuse boundary that will become the effective warm front tonight the trough slide into the MS Valley. Rain chances continue to increase across the area this evening through the overnight hours as the main upper level trough axis swings through and pushes a cold front into Central AL.
- Slightly cooler temperatures will follow a cold frontal passage today.
High pressure over the area will track east of the area later this afternoon.
(Today through Thursday) A deep trough is expected to move through the Plains during the day today with a low pressure system developing by this evening in the mid to upper MS Valley. These showers should develop along a diffuse boundary that will become the effective warm front tonight the trough slide into the MS Valley. Rain chances continue to increase across the area this evening through the overnight hours as the main upper level trough axis swings through and pushes a cold front into Central AL.
343 AM PST Wed Nov 13 2024 Warmer and dry today with cooling beginning to spread inland on Thursday.
544 AM CST Wed Nov 13 2024 Cooler today, but average temperatures return through the rest of the week. (Today through Thursday night) A large scale upper level trough traverses across the central CONUS today. Behind the cold front, surface winds will flow from the northwest all throughout today.
Cooler today, but average temperatures return through the rest of the week. (Today through Thursday night) A large scale upper level trough traverses across the central CONUS today. Behind the cold front, surface winds will flow from the northwest all throughout today.
Looking at GOES-16 water vapor imagery this morning shows the current upper trough that is creating the showers we're currently experiencing. As of 0300 CST, surface obs indicate the cold front is currently located roughly across central South Dakota from Herreid to Wewela. Currently forecasted totals from the SD/MN/IA border east is a quarter to a half inch, with up to an inch possible east of the Highway 60 corridor. Thursday things dry out and warm up as an upper ridge builds in and winds turn southerly bringing northward warm air.
Pattern Synopsis and Forecast: Upper-level ridging will slide eastward today as an upper-level trough swings across the Plains. Associated low pressure will begin to approach the Great Lakes Region from the west with high pressure departing from the northeast. Pattern Synopsis and Forecast: Upper level energy continues to progress into Michigan on Thursday, but the center of the upper low looks to remain way to the south across the Ohio Valley, almost breaking off from the piece that will be affecting northern MI. Thus, low pressure system, weak at that, tracks into southern/southwestern MI, then weakens and drifts southeastward.
523 AM CST Wed Nov 13 2024 (Today through Thursday Night) To begin the period, a cold front is expected to move through the state later today, bringing the chance for rain. High temperatures are expected to be in the lower 60s to lower 70s through the period with overnight lows dropping in the upper 30s to mid 40s.
A trough is situated over the CWA, with a cold front advancing across ETX. Showers and thunderstorms are expected to increase through the morning, primarily over CenLA, as the trough interacts with incoming moisture. (Tonight through Wednesday) Tonight, clouds will gradually clear as the cold front moves through the area.
Breezes have slowly freshened overnight, with high pressure in the wake of the frontal boundary slowly building into the western North Atlantic.
532 AM CST Wed Nov 13 2024 (Today through Thursday) A deep trough is expected to move through the Plains during the day today with a low pressure system developing by this evening in the mid to upper MS Valley. These showers should develop along a diffuse boundary that will become the effective warm front tonight the trough slide into the MS Valley. Rain chances continue to increase across the area this evening through the overnight hours as the main upper level trough axis swings through and pushes a cold front into Central AL.
Updated at 245 AM CST Wed Nov 13 2024 - A cold front will will result in cooler temperatures today.
Spotty showers have filled in through the early morning hours across Nebraska and into western Iowa thanks to a strong southerly jet in the warm air advection wing of the approaching low and attendant upper trough. Conditions become dry and mild Thursday through the weekend as the thermal ridge rebuilds across the area.
It's a relatively quiet start to the day as a transient ridge of high pressure moves through the area this morning. As the week goes on, troughing along the West Coast digs deeper south and will bring some more organized moisture our way to end the week and head into the weekend.