Aikyam-Lab/Synoptic-Bench huggingface dataset:
The low pressure system that has brought damaging winds to the area has passed and brought about a cold front which will drop tonight's temperatures by 30 to 40 degrees as compared to last night's temperatures. The surface pressure gradient has weakened, so the high wind concerns will be done. For our evening Forecast package, western portions of the High Wind Warning will be cancelled earlier than planned. The previous day's frontal passage will bring about much cooler air, diminished winds, and a little more moisture to the area.
1251 AM EST Sat Dec 3 2022 A cold front will approach overnight and move through Saturday morning. High pressure will build in for Saturday night.
We are warming up northward with the warm front lifting across McCurtain, but will have trouble in the valley. The cold front will be along I-30 by daybreak cutting across central OK now and lowering these rising temps of this evening.
1026 PM MST Fri Dec 2 2022 Current surface analysis shows cold front well south and east of the forecast area now, with gusty winds and much colder air in place.
1008 PM EST Fri Dec 2 2022 A cold front will approach overnight and move through Saturday morning. High pressure will build in for Saturday night.
1152 PM CST Fri Dec 2 2022 Key Messages: - A cold front will move through this evening, sending much colder temperatures into the region.
Upper low off the Oregon coast 45N/132W this evening will move due south tonight and Saturday, then stall near 41/129 Saturday night.
The lower atmosphere is slow to moisten, but should not deter precipitation expansion overnight.
/15/ Today and Tomorrow: A slowly moving cold front will serve as the main focus in the short term period. Low temperatures tonight will range from the upper 50s to the mid 60s which is warmer than what we've experienced these last few nights. Most of the shower activity tomorrow will be light however, a few rumbles of thunder can't be ruled out especially across the south where it will be a bit warmer and better instability (what little instability that will be there).
Upper level ridging begins to build into the area this afternoon which will switch winds westerly and southwesterly and allow some recovery in temperatures this afternoon, but more markedly tomorrow with highs reaching into the 20s and 30s.
1149 PM CST Fri Dec 2 2022 (This evening through Saturday) A cold front will enter northwest Oklahoma around 6pm this evening, then quickly sweep across the forecast area, reaching the Red River by midnight. Forecast grids have a blend of short term guidance which seems to better reflect the higher peak wind potential over a fairly focused timeframe behind the front. Colder air behind the front will result in lows below freezing across the northern third to half of Oklahoma Saturday morning (upper 30s across southern portions of the forecast area), and afternoon highs in the 40s and lower 50s with some scattered high level clouds.
436 AM MST Sat Dec 3 2022 Latest upper air analysis shows a ridge moving over the Great Basin with a trough over the Plains. Satellite imagery shows cloud cover moving through the ridge toward the Plains. Due to the cooler airmass present, highs will be cooler than yesterday, only warming into the 40s. Both factors will cause lows to be warmer than last night. Sunday the upper level ridge will move over the forecast area. At the surface a high pressure will move through. The WAA will cause temperatures to be warmer than today.
A sharp cold front has ushered much colder air into the region on strong NW winds with gusts between 40 - 55 mph. A few of the highest gusts so far: 55 mph Cedar Rapids, 52 mph Burlington, and 51 mph Iowa City and Washington. High pressure will settle into the area this afternoon and then quickly move off to our east tonight.
High pressure will be building into the region with decent CAA over the region.
(Today through Sunday) High pressure ridge currently extends into north GA. A cold front stretches from the central Great Lakes back through eastern Texas. The weak cold front should begin to push through the CWA today, but with zonal flow aloft, it should stall somewhere across south/south central GA on Sunday. The highest chance for pops and QPF remain north of the 20 corridor.
513 AM CST Sat Dec 3 2022 (Today and tonight) A cold front has pushed southwest through our FA as of 3AM, a little faster than previously progged. Surface winds of 15-20mph associated with the frontal passage will gradually ease through the morning hours as surface ridging builds to our north and shifts east across the region over the course of the day. Highs today will be 20-30 degrees cooler than yesterday behind the front (upper 40s-low 50s), while lighter winds veer from the east to the south by late afternoon.
953 AM EST Sat Dec 3 2022 A cold front will cross the area this morning. High pressure will build in tonight and remain into Sunday night. A cold front was nearing our eastern CWFA this morning. Temperatures will fall into the 30s to the lower 40s. High pressure will build into the region tonight and remain through Sunday. Temperatures will be cold with lows in the lower to mid 20s and highs in the upper 30s to lower 40s. Cirrus does start building in latter overnight with the high shifting east, but this has minimal impact on sensible weather.
(Today and tonight) A cold front has pushed southwest through our FA as of 3AM, a little faster than previously progged. Surface winds of 15-20mph associated with the frontal passage will gradually ease through the morning hours as surface ridging builds to our north and shifts east across the region over the course of the day. Highs today will be 20-30 degrees cooler than yesterday behind the front (upper 40s-low 50s), while lighter winds veer from the east to the south by late afternoon.
A cold front associated with an upper trough over the Mississippi Valley is pushing through the Permian Basin this morning, with temps dropping to the 30s and 40s for those north of the Trans Pecos and 50s further south.
557 AM CST Sat Dec 3 2022 (Today and tonight) As of 3 AM, a surface cold front was located just north of a San Angelo to Richland Springs line. Temperatures will be considerably cooler today, despite ample sunshine, with afternoon highs mainly in the 50s. For tonight, expect increasing clouds, with light winds and overnight lows mainly in the low to mid 40s.
(Today through Sunday Night ) A cold front is dropping SE through NW into central sections of the CWA early this Sat morning. though most areas will remain above freezing when this moisture moves overhead. There could be a few isolated areas in the central to NRN counties that see a brief light FZRA Sun morning as well as temps may be at or just below freezing just as the moisture moves into the area.
Another 110 kt upper level jet max will lift northward across the state this afternoon, bringing with it a chance of light snow in the high country. Gusty westerly winds coupled with the snow will produce areas of blowing over the high mountain passes. Light accumulations will be possible over the higher west facing slopes starting around midday and lingering into the early evening. For tonight, light snow will diminish over the mountains as weak ridge aloft builds over CO. On Sunday there will be weak ridging aloft with a moderate westerly flow aloft.
412 AM EST Sat Dec 3 2022 A cold front will cross the area this morning. High pressure will build in tonight and remain into Sunday night. Meanwhile, cold front in eastern Illinois will track across the area through the morning. High pressure will build into the region tonight and remain through Sunday. Temperatures will be cold with lows in the lower to mid 20s and highs in the upper 30s to lower 40s. Cirrus does start building in latter overnight with the high shifting east, but this has minimal impact on sensible weather.
NBM guidance seems to think it will rain during the day and is perhaps being influenced by warmer temps advertised in the NAM, (and southerly downsloping off the terrain will be at play Sun afternoon in this corridor too), but think the potential remains for decent portions of the day to favor wet snow, so confidence is low.
After this high pulls away, we see a switch to southwesterly flow bringing some warming of temperatures today. Southern and some western areas could even see temps back into the 20s, although this warmer air gets stopped a little short for the northern and some eastern areas, with highs only expected to be in the teens.
It will be a cold start to the day today and again on Sunday, as a brief ridge of high pressure builds over the region. Patchy freezing fog, reducing visibility and creating isolated slick spots, will be possible each night as well.
Remnant arctic airmass today will retreat eastward through the day, as a warm front, with highs returning to the mid 30s to mid 40s across most of the area.
We will see an uptick in the winds for an hour or two, as a cold front that just went through the St. So mild temperatures early this morning ahead of the boundary will be gone, with temperatures this afternoon in the lower to mid 40s most areas. Quiet weather will take over tonight as high pressure builds overhead. East of the high on Sunday, moisture return will result in a small chance of light precipitation mainly over southeast Missouri toward the Arkansas border.
The aforementioned ridge will become flattened and fractured as a potent low-mid level trough traverse through the upper Great Lakes region this morning. Towards mid-week the splintered ridge will regain definition over the western Gulf of Mexico and shift eastward.
Temperatures will drop through the morning as a cold front moves through the area.
443 AM CST Sat Dec 3 2022 (Today through Sunday Night ) A cold front is dropping SE through NW into central sections of the CWA early this Sat morning. though most areas will remain above freezing when this moisture moves overhead. There could be a few isolated areas in the central to NRN counties that see a brief light FZRA Sun morning as well as temps may be at or just below freezing just as the moisture moves into the area.
208 AM MST Sat Dec 3 2022 Latest upper air analysis shows a ridge moving over the Great Basin with a trough over the Plains. Satellite imagery shows cloud cover moving through the ridge toward the Plains. Due to the cooler airmass present, highs will be cooler than yesterday, only warming into the 40s. Both factors will cause lows to be warmer than last night. Sunday the upper level ridge will move over the forecast area. At the surface a high pressure will move through. The WAA will cause temperatures to be warmer than today.
TODAY: Cold with lessening winds and clearing skies Winds steadily decrease this morning as the pressure gradient relaxes in the wake of our cold front. The cold weather does not stick around long as surface ridging passes through this evening and switches winds to the south for the overnight and into Sunday.
520 AM EST Sat Dec 3 2022 An increase in clouds and chance of showers will come ahead of a cold front today.
A more winter-like air mass has returned to the area to greet the start of the weekend as surface ridging takes over the immediate forecast area. By late in the day the ridge will start to move off to the east, and surface winds will respond more from the southeast. For Sunday a gentle return flow regime will commence on the backside of the departing ridge.
516 AM CST Sat Dec 3 2022 (Today) The strong cold front has pushed through all of the forecast area early this morning, with strong and gusty northerly winds persisting.
546 AM CST Sat Dec 3 2022 (Today through Sunday) Light rain will continue across the area this morning ahead of a cold front. Our southeastern area will be warmer, reaching the mid to upper 60s.
319 AM CST Sat Dec 3 2022 A sharp cold front has ushered much colder air into the region on strong NW winds with gusts between 40 - 55 mph. A few of the highest gusts so far: 55 mph Cedar Rapids, 52 mph Burlington, and 51 mph Iowa City and Washington. Haase Cold front has moved through the terminals. The gusty NW winds will slowly diminish Saturday PM becoming light at sunset while predominantly backing to S as the center of high pressure passes to our south.
(Today and tonight) As of 3 AM, a surface cold front was located just north of a San Angelo to Richland Springs line. Temperatures will be considerably cooler today, despite ample sunshine, with afternoon highs mainly in the 50s. For tonight, expect increasing clouds, with light winds and overnight lows mainly in the low to mid 40s.
506 AM CST Sat Dec 3 2022 (Today and tonight) Gusty north winds in the wake of the cold front will subside quickly today as the center of the ridge of the cooler, drier air mass moves across Oklahoma. In fact, winds will become light southeasterly this afternoon in western Oklahoma behind the high pressure ridge.
(Now through Sunday) An upper trof which progressed across the northern/central Plains overnight moves off across the northeast states through tonight, with a larger scale broad upper trof pattern meanwhile evolving over much of the northern CONUS for Sunday. Highs will be in the lower to mid 70s today, then highs on Sunday range from the lower to mid 60s well inland to the lower 70s closer to the coast.
Wind chills of 10 to 20 degrees below zero will be common until we near the noon hour as the pressure gradient behind the front weakens with high pressure moving in. Sunday looks to be warmer as ridging works into the region, with highs running closer to average for the beginning of December in the upper 20s to mid 30s.
524 AM EST Sat Dec 3 2022 Showers and gusty winds are expected today with a crossing cold front. A cold front will cross the region later this morning and exit to the east early in the afternoon. Below-normal temperatures will continue in shallow mid-level troughing.
A weak open trough extended from southern Manitoba, south southwest into the Nebraska Panhandle. West of the trough, low amplitude ridging was present over the northern Rockies, to the northwestern CONUS. West of the ridge, a closed low was present approximately 500 miles off the coast of western Washington.
511 AM CST Sat Dec 3 2022 Cold air will remain in place this morning, with warmer air on the way. Northwesterly flow will continue at 500mb, becoming a bit more zonal Sunday afternoon as a ridge over MT/WY flattens out the broad trough extending from the large Hudson Bay low. This ridge will only slowly shift into MN through the remainder of the morning hours, while lingering over our far northeastern counties. Southerly winds and warmer air will be slower to get into our MN counties today. The lowest relative humidity values will be over Jones and Lyman Counties of central SD.
649 AM EST Sat Dec 3 2022 A cold front will cross the area this morning. High pressure will build in tonight and remain into Sunday night. Cold front is just entering the far western part of the forecast area. High pressure will build into the region tonight and remain through Sunday. Temperatures will be cold with lows in the lower to mid 20s and highs in the upper 30s to lower 40s. Cirrus does start building in latter overnight with the high shifting east, but this has minimal impact on sensible weather.
403 AM EST Sat Dec 3 2022 A cold front will cross the area this morning. High pressure will build in tonight and remain into Sunday night. Meanwhile, cold front in eastern Illinois will track across the area through the morning. High pressure will build into the region tonight and remain through Sunday. Temperatures will be cold with lows in the lower to mid 20s and highs in the upper 30s to lower 40s. Cirrus does start building in latter overnight with the high shifting east, but this has minimal impact on sensible weather.
608 AM EST Sat Dec 3 2022 (Today through Sunday) High Pressure over the western Atlantic will move further out to sea today with the gradient relaxing slightly over our area. High temperatures remain slightly above normal, mostly in the low 80s, while overnight lows will mostly be in the 60s (lower 60s NW, upper 60s near the east coast). The gradient and consequently winds will relax further on Sunday as a new and weaker area of high pressure moves into the SE CONUS. High temperatures will be similar to Saturday and with dewpoints mixing out into the lower 60s it should feel like a fairly typical early dry season day.
A sharp cold front has ushered much colder air into the region on strong NW winds with gusts between 40 - 55 mph. A few of the highest gusts so far: 55 mph Cedar Rapids, 52 mph Burlington, and 51 mph Iowa City and Washington. We will see northwest winds this afternoon gradually weaken as an area of high pressure builds into the region.
254 PM EST Sat Dec 3 2022 A strong cold front has cleared the CWA this afternoon leaving breezy northwest winds and much cooler temperatures in its wake. Winds will gradually begin to relax going into the evening hours as the boundary layer decouples and high pressure nudges in from the west. High pressure slowly drifts eastward tomorrow, and light southerly return flow should begin to pick up by the afternoon.
(This evening through Sunday) A 1030mb area of high pressure will settle in across Oklahoma and north Texas this evening, allowing winds to become light and variable. Meanwhile, the cold front that went through the state will come to a halt in northern Mexico. By sunrise, skies will be overcast area- wide, which should allow temperatures to only fall into the low to mid 40s. Although temperatures are forecast to reach the low 60s, it will take all day to reach these highs.
(This evening through Sunday night) Current satellite observations show a large area of high pressure over the Gulf of Mexico well into parts of Texas and Mexico in the mid to upper levels. Upstream is a closed low just off the coast of the Pacific Northwest. Areas in the TX Panhandle where the higher PoPs are may still only get between 0.
An upper ridge will maintain the dry conditions and mostly clear skies today. A low pressure system will spread a mix of precipitation across SE Oregon and SW Idaho tonight through Sunday. A Winter Weather Advisory is in effect for portions of the area, but will consider expanding it due to the potential for freezing rain in portions of far SW Idaho. mountains and snow changing to rain in the lower valleys.
1122 AM CST Sat Dec 3 2022 (Today through Sunday Night ) A cold front is dropping SE through NW into central sections of the CWA early this Sat morning. though most areas will remain above freezing when this moisture moves overhead. There could be a few isolated areas in the central to NRN counties that see a brief light FZRA Sun morning as well as temps may be at or just below freezing just as the moisture moves into the area.
1143 AM CST Sat Dec 3 2022 (Today and tonight) A cold front has pushed southwest through our FA as of 3AM, a little faster than previously progged. Surface winds of 15-20mph associated with the frontal passage will gradually ease through the morning hours as surface ridging builds to our north and shifts east across the region over the course of the day. Highs today will be 20-30 degrees cooler than yesterday behind the front (upper 40s-low 50s), while lighter winds veer from the east to the south by late afternoon.
In fresh northeasterly flow, a broken cumulus cloud line formed along portions of the Lower Keys. Temperatures have realized their advertised maximum temperatures in the lower 80s.
137 PM EST Sat Dec 3 2022 Strong wind gusts will subside this evening as high pressure builds. Strong wind gusts along, and immediately behind a frontal passage will continue across the higher elevations through late afternoon/early eve. Elsewhere; an increasing pressure gradient associated with building high pressure will support occasional wind gusts in the 20-30 MPH range through early eve, though speeds should gradually lower with a departing llvl jet. Most areas will be dry tonight; with exception of locations north of I-80, where upper troughing and lake enhancement may support a mix of rain and snow showers. Dry weather should persist through Sunday night as the center of high pressure skirts south of the forecast area. Below- normal temperature will continue via upper troughing.
This will allow for much cooler temps tonight. Locations in Deep East Texas and adjacent Central Louisiana will see temps only bottom out into the low to mid 50s. By tomorrow morning, the frontal boundary will push all the way to the Texas/Louisiana Gulf Coast, but will likely stall as a huge upper ridge remains in place south of the region. Weak disturbances will start to move around the western and northern peripheral of the ridge, eventually moving across the Red River Valley of Texas/Oklahoma. This will also keep the temperature gradient in place across the region, with areas underneath the rain seeing highs in the low to mid 50s and lows in the mid to upper 40s.
1126 AM CST Sat Dec 3 2022 (Today and tonight) As of 3 AM, a surface cold front was located just north of a San Angelo to Richland Springs line. Temperatures will be considerably cooler today, despite ample sunshine, with afternoon highs mainly in the 50s. For tonight, expect increasing clouds, with light winds and overnight lows mainly in the low to mid 40s.
1259 PM MST Sat Dec 3 2022 Latest upper air analysis shows a ridge moving over the Great Basin with a trough over the Plains. Satellite imagery shows cloud cover moving through the ridge toward the Plains. Due to the cooler airmass present, highs will be cooler than yesterday, only warming into the 40s. Both factors will cause lows to be warmer than last night. Sunday the upper level ridge will move over the forecast area. At the surface a high pressure will move through. The WAA will cause temperatures to be warmer than today.
337 PM EST Sat Dec 3 2022 High pressure will build east into the Ohio Valley tonight. The high will extend across the region on Sunday. High pressure will build east into the Ohio Valley tonight. Lows will range from the upper teens to the lower 20s. High pressure will extend across the region on Sunday. Given a cold start and neutral advection, temperatures will only warm into the upper 30s to the lower 40s. For Sunday night, the high will move east of the region.
214 PM CST Sat Dec 3 2022 High pressure, which is currently situated over eastern Kansas, has brought some much calmer winds to the region compared to earlier this morning. chilly once again tonight, with dry conditions continuing High pressure will remain in control over the region through the overnight hours, leading to another chilly night tonight. Sunday highs are forecast to be warmer compared to today, with the southerly return flow around the high pressure system.
(This afternoon through Sunday night) The strong cold front that moved into the area early this morning has already reached the Rio Grande, with breezy northeasterly winds and much cooler temperatures in its wake.
Temperatures will climb back above freezing Sunday with plenty of sunshine to help.
A tight pressure gradient and low level mixing will allow for gusty west northwest winds to linger today, before weakening tonight as high pressure passes by to the south. Wood (Issued 245 AM CST Sat Dec 3 2022) Today through Sunday: Cold front has shifted off to the east of the area with one lingering band of rain/snow showers moving quickly east.
238 PM EST Sat Dec 3 2022 (This afternoon through Sunday) Pre-frontal trough is currently pushing precip across the ATL metro into central Georgia this afternoon.
Clear skies and light winds with this high should allow temperatures to fall back into the teens in most areas outside of the city tonight. KJB An anomalously strong sub-tropical ridge (near record high 500 hPa heights for early December along the Gulf Coast) combined with an expansive long-wave trough over southern Canada will focus stronger mid-level westerlies over or just south of the area through at least mid-week.