Aikyam-Lab/Synoptic-Bench huggingface dataset:
1021 PM CST Mon Dec 19 2022 (This afternoon through Tuesday night) Weak upper trough rolling across the region today with brief ridging moving in Tuesday. A much stronger trough will hit the NW US Tuesday night. Temperatures will be 5 to 10 degrees cooler Tuesday with readings ranging from the 40s NE. Lows Tuesday night a bit warmer as southerly wind returns.
1023 PM MST Mon Dec 19 2022 Upper air analysis shows a broad arctic trough across the north central CONUS. Models are suggesting a return of freezing fog tonight across south central SD to lower parts of southwest SD.
Pacific moisture arriving in the northwest flow aloft was resulting in light snow across the higher elevations north of the Treasure Valley this evening, mainly across the West Central Mountains. An approaching cold front will bring increased winds and better mixing that will scour out the inversion Tuesday afternoon.
Weak ridging will build in behind the exiting wave with slightly warmer temperatures for tomorrow afternoon.
1046 PM CST Mon Dec 19 2022 (This evening through Tuesday) A weak cold front, located across far western Oklahoma early this afternoon, will continue to push eastward tonight. Cooler air behind the front will keep afternoon highs Tuesday about 5 to 10 degrees cooler than today.
103 AM EST Tue Dec 20 2022 An inverted through of low pressure will be along the east coast Tonight, as a wave of low pressure approaches from the west. Rain chances will increase through the night in response to both the wave and the trough. Additional light rain activity near the coast with a trough of low pressure.
356 AM CST Tue Dec 20 2022 Cold high pressure has built into western Kansas overnight. Lows could be at midnight, then rising into the lower 20s toward morning as the south wind picks up to 15 kts. A strong amplifying upper level trough will approach the high plains Wednesday night. The models bring warmer air back into western Kansas during the afternoon Wednesday ahead of the front, with 40s and lower 50s for highs. But with not much of a downslope component from Dodge City east to Stafford, Hays and Pratt, it may stay cooler in this area than currently forecast.
Otherwise the combination of some cloud cover and weak surface cold air advection will result in cooler temperatures today with highs in the 40s to mid 50s.
As the trough axis clears from west to east today, so will the deeper moisture and chance for rain.
An area of low pressure moves eastward through the northern Gulf of Mexico through the day. Temperatures early this morning are coming in around 10 degrees warmer than 24 hours ago and will warm into the upper 60's to mid 70's this afternoon. An area of low pressure moves eastward through the northern Gulf of Mexico bringing showers and thunderstorms to the eastern gulf waters through the day.
520 AM CST Tue Dec 20 2022 (Today through Wednesday afternoon) Current observations show a cold front is slowly moving into the Permian Basin this morning. Winds behind the front will shift from the north to northeast and bring in cooler air today with highs topping out only in the 40s and 50s for all but the lower Big Bend region.
730 AM EST Tue Dec 20 2022 Quiet weather will prevail under high pressure through Wednesday until a major winter storm will support rain, snow, strong wind, and dangerous wind chill values by late this week into the holiday weekend. Subsidence in the wake of that crossing trough should support low temperature few degrees below average as well as decreasing cloud cover through early Wednesday.
A low pressure system moving across northern California today will limit fog coverage in the San Joaquin Valley. High pressure will strengthen over central California on Wednesday and remain over the region through the holiday weekend. A low pressure system moving across Norcal is providing our area with some high clouds along with enough mixing to inhibit widespread overnight fog formation in the San Joaquin Valley today. Elsewhere in the San Joaquin Valley, some localized dense fog will be possible this morning, but areal coverage of fog will be limited due mixing effects from the low pressure system moving north of our area. SREF indicating an upper ridge amplifying just off the CA coast on Wednesday.
Cold high pressure has built into western Kansas overnight. Lows could be at midnight, then rising into the lower 20s toward morning as the south wind picks up to 15 kts and low stratus clouds develop. A strong amplifying upper level trough will approach the high plains Wednesday night. The models bring warmer air back into western Kansas during the afternoon Wednesday ahead of the front, with 40s and lower 50s for highs. But with not much of a downslope component from Dodge City east to Stafford, Hays and Pratt, it may stay cooler in this area than currently forecast.
Weak low pressure over the OR/CA border is enough of a disturbance to see light returns off KMUX radar over the North Bay. Temperatures tomorrow will feel warmer across the region with afternoon highs in the mid to upper 50s. Ridge of high pressure will build over western CONUS beginning today as weak disturbance moves eastward and out of our area. Ensemble and deterministic models agree on a ridging pattern persisting midweek through the holiday weekend. KSFO Bridge Approach. A weak low pressure system will move across northern California today and tonight.
516 AM CST Tue Dec 20 2022 The main challenges revolve around an area of low pressure and associated snow and wind towards the latter half of the period, along with increasing cold. Easterly winds increase Wednesday morning across central SD, as incoming low pressure tightens the pressure gradient.
303 AM CST Tue Dec 20 2022 The main challenges revolve around an area of low pressure and associated snow and wind towards the latter half of the period, along with increasing cold. Easterly winds increase Wednesday morning across central SD, as incoming low pressure tightens the pressure gradient.
A ridge of high pressure will strengthen over the eastern Pacific, keeping conditions dry and chilly through the week across northern Arizona. The main impact will be broken to overcast sky conditions throughout the day, then decreasing in coverage by the evening hours as drier air moves in on the backside of the trough.
(Today and tonight) Cooler weather is expected today behind this first cold front that moved through yesterday and early today.
(Today) Cold front moving into central/northeastern Oklahoma early this morning, currently located near an Yukon, Foraker line.
(Today through Wednesday afternoon) Current observations show a cold front is slowly moving into the Permian Basin this morning. Winds behind the front will shift from the north to northeast and bring in cooler air today with highs topping out only in the 40s and 50s for all but the lower Big Bend region.
451 AM CST Tue Dec 20 2022 (Today and tonight) Cooler weather is expected today behind this first cold front that moved through yesterday and early today.
437 AM CST Tue Dec 20 2022 (Today) Cold front moving into central/northeastern Oklahoma early this morning, currently located near an Yukon, Foraker line.
Storm total QPFs of up to about one inch are forecast, with the highest amounts along the coast south of the Tampa Bay, so minor street flooding will be possible for any localized areas that see higher totals. Conditions will briefly improve Wednesday and Wednesday night, as weak ridging builds in aloft.
Weak low pressure over the OR/CA border is enough of a disturbance to see light returns off KMUX radar over the North Bay. Temperatures tomorrow will feel warmer across the region with afternoon highs in the mid to upper 50s. Ridge of high pressure will build over western CONUS beginning today as weak disturbance moves eastward and out of our area. Ensemble and deterministic models agree on a ridging pattern persisting midweek through the holiday weekend.
(This afternoon through Wednesday night) Weak upper ridge over the region today will give way to a weak trough moving out of CA and across AZ into NM tonight. A much stronger trough will dive out of the NW late tonight moving across the Nrn Rockies Wednesday. May see fog and freezing fog across the Permian Basin, SE NM, and portions of the Lower Trans Pecos late tonight and Wednesday morning. Temps should be warmer Wednesday as S to SW wind kicks in with readings warming into the 50s and 60s. Cooler across the northern CWA Wednesday night.
1148 AM CST Tue Dec 20 2022 (Today through Wednesday afternoon) Current observations show a cold front is slowly moving into the Permian Basin this morning. Winds behind the front will shift from the north to northeast and bring in cooler air today with highs topping out only in the 40s and 50s for all but the lower Big Bend region.
336 PM EST Tue Dec 20 2022 High pressure provides dry weather Wednesday.
1107 AM CST Tue Dec 20 2022 (Today and tonight) Cooler weather is expected today behind this first cold front that moved through yesterday and early today.
The first feature of note is a warm front currently across the western Straits of Florida that is lifting northward towards the Keys. The second feature of note is an area of low pressure in the Gulf of Mexico that is moving eastward towards the Florida Peninsula, with an associated large MCS. There is a lone of convection that has been maintaining itself along the warm front, where the best moisture convergence is. The veering profile was confined to the lower levels. In the wake of the disturbance, winds will veer quickly from the northeast, to the southeast, and then eventually southwest ahead of a strong cold front that will push through the Florida Keys by the end of the week. As high pressure builds in behind the cold front, fresh to strong northerly breezes are expected for the weekend.
(This evening through Wednesday) A cold frontal passage earlier this morning will keep conditions much cooler across the region behind a very minor disturbance aloft. This will also act to limit high temperatures across the region for this afternoon, along with the cool air behind the cold front. Otherwise, look for another night with temperatures right around the freezing mark.
Temperatures this morning have been similar to slightly warmer than yesterday morning. Do not see a need to change max temps for this afternoon as there is good confidence in another day with much of the CWA in the low to mid 50s. Weak low pressure over the OR/CA border is enough of a disturbance to see light returns off KMUX radar over the North Bay. Temperatures tomorrow will feel warmer across the region with afternoon highs in the mid to upper 50s. Ridge of high pressure will build over western CONUS beginning today as weak disturbance moves eastward and out of our area. Ensemble and deterministic models agree on a ridging pattern persisting midweek through the holiday weekend. KSFO Bridge Approach. A weak low pressure system will move across northern California today and tonight.
The main challenges revolve around an area of low pressure and associated snow and wind towards the latter half of the period, along with increasing cold. Easterly winds increase Wednesday morning across central SD, as incoming low pressure tightens the pressure gradient.
330 PM EST Tue Dec 20 2022 High pressure will drift east across the Commonwealth tonight with partly cloudy skies, light wind and cold temperatures.
A ridge of high pressure will strengthen over the eastern Pacific, keeping conditions dry and chilly through the week across northern Arizona. Made some small adjustments for temperatures today to better account for cloud cover starting us a bit warmer this AM. The main impact will be broken to overcast sky conditions throughout the day, then decreasing in coverage by the evening hours as drier air moves in on the backside of the trough.
1204 PM PST Tue Dec 20 2022 Several weak storm systems will brush the region this week and bring gusty winds across the ridges and a few light showers, mainly north of I-80. High pressure will bring mild and dry conditions for the Christmas holiday weekend. For valleys that have not mixed out, the freezing air may be deep enough to produce mixed precipitation, such as sleet or freezing rain.
1233 PM EST Tue Dec 20 2022 High pressure provides dry weather Wednesday. Despite some mid level clouds and virga moving across the area this afternoon and evening, a high pressure system will provide dry weather through Wednesday.
Southerly winds are briefly expected across the area Wednesday leading to warmer temperatures with highs in the 40s/low 50s.
605 PM CST Tue Dec 20 2022 (This evening through Wednesday) A cold frontal passage earlier this morning will keep conditions much cooler across the region behind a very minor disturbance aloft. This will also act to limit high temperatures across the region for this afternoon, along with the cool air behind the cold front.
Small changes in snowfall accumulation for this system moving through the region brings the highest snows back up through the central portion along the Missouri River, but total amounts generally remain between 2-4".
A ridge will build this week off the coast of southern California and Baja while a very strong upper level low moves through the Rockies and into the eastern U.
For the evening update, adjusted rain chances and QPF to indicate the broader area of rainfall overspreading NE FL this through the night, with rainfall amounts tonight up to half inch across the Suwannee River Valley, but generally around a quarter inch of less as the rainfall shifts eastward through daybreak as the mid level trough passes overhead. Min temps will range from the lower 40s near the Ocmulgee River basin to near 60 toward the NE FL Atlantic coast tonight.
A ridge of high pressure will strengthen over the eastern Pacific, keeping conditions dry and chilly through the week across northern Arizona. Ridging in the eastern Pacific strengthens behind today's disturbance, leaving Arizona in a prolonged stretch of northwest flow aloft.
727 PM EST Tue Dec 20 2022 High pressure will drift east across the Commonwealth tonight with partly cloudy skies, light wind and cold temperatures.
247 PM MST Tue Dec 20 2022 Broad cyclonic flow is continuing across the north central CONUS, just south of a double-barrel upper low over much of Canada. At the surface, high pressure is building in from eastern Montana.
438 PM MST Tue Dec 20 2022 Broad cyclonic flow is continuing across the north central CONUS, just south of a double-barrel upper low over much of Canada. At the surface, high pressure is building in from eastern Montana.
700 PM EST Tue Dec 20 2022 High pressure provides dry weather Wednesday.
448 PM EST Tue Dec 20 2022 High pressure will drift east across the Commonwealth tonight with partly cloudy skies, light wind and cold temperatures.
1101 PM CST Tue Dec 20 2022 (This evening through Wednesday) A cold frontal passage earlier this morning will keep conditions much cooler across the region behind a very minor disturbance aloft. This will also act to limit high temperatures across the region for this afternoon, along with the cool air behind the cold front.
High pressure will strengthen over central California on Wednesday and remain over the region through the holiday weekend. High pressure will dominate the near term forecast bringing above normal temperatures and dry conditions for the area through the holiday weekend.
The main impacts will come from below freezing temperatures behind the system.
A ridge of high pressure will strengthen over the eastern Pacific, keeping conditions dry and chilly through the week across northern Arizona. Ridging in the eastern Pacific strengthens behind today's disturbance, leaving Arizona in a prolonged stretch of northwest flow aloft. Meanwhile, winds are still expected to increase for the higher elevations thanks to a long wave trough digging into the Midwest and Great Plains (this is the system bringing the extreme cold/winter conditions for the eastern half of the U. Winds will slack later Thursday as the trough traverses eastward.
223 AM EDT Fri Jun 12 2020 High pressure into Friday.
1219 AM CDT Fri Jun 12 2020 Under the influence of both a surface and upper-ridge, VFR conditions to prevail across area terminals through the terminal forecast period ending 13/06Z.
240 AM MDT Fri Jun 12 2020 500mb RAP analysis and satellite imagery showed a large trough spanning the east coast, with a ridge building onto the Rockies. Upper ridging centers over the Rockies today as temperatures climb into the upper 80s/low 90s for highs.
High pressure at the surface and aloft will provide VFR conditions the next 24 hours. This flow pattern looks to be advecting in drier and more stable air into the RGV wit the better instability values remaining concentrated just south of the Rio Grande closer to the old cold front/stationary front.
Moisture advects into the area ahead of an approaching trough.
The kinematics are primarily driven by weak s/wv trough progressing southeast through central KS as evident on water vapor imagery.
443 AM EDT Fri Jun 12 2020 Expect mostly dry conditions through Thursday, with increasing clouds later this afternoon and tonight as a cold front moves through the area. Isolated rain showers are possible along the cold front.
Under mostly sunny skies, afternoon temperatures have warmed into the upper 70s to lower 80s while dewpoints have steadily dropped into the lower 50s as northwesterly flow advects drier air into the region. Quiet weather will continue through tomorrow as high pressure remains in control. Overall pattern will feature a central CONUS ridge and eastern CONUS trof, and that will only subtly change through next Thursday.
Overall ridging high pressure continues across the area bringing a similar tale for Friday with temperatures a few degrees warmer compared to today.
Even warmer as the ridge aloft builds overhead and with warm temperatures aloft and limited low and mid level moisture, no precipitation is expected.
256 AM EDT Fri Jun 12 2020 Dry weather and seasonable temperatures are expected into the weekend under building high pressure. This first trough (/cold front) will cross the area over the course of Friday.
108 AM EDT Fri Jun 12 2020 High pressure into Friday.
High pressure will continue to remain over the area going into this weekend, with clear skies and mild temperatures.
High pressure moving through the region was providing clear skies and a dry airmass with light winds. Temps will fall off rapidly after sunset with lows in the middle/upper 50s in the eastern Ozarks to the lower 60s in the west. Northwest flow continues Friday as a ridge strengthens across the eastern Rockies. 850mb temps look to be about 3 degrees warmer than today therefore warmer high temps are expected for Friday. The mid/upper level ridge moves east, further into the central plains for the weekend. The mid level ridge moves closer to the area as the week progresses which will allow for temps to increase a few degrees each day and keep precip chances near zero.
215 AM EDT Fri Jun 12 2020 High pressure into Friday.
High pressure will continue across the region tonight through tomorrow maintaining VFR conditions. High pressure across the region will maintain VFR conditions through the TAF period. With a dry air mass holding over the area, the low temperatures will be mild in the 60s across inland areas both nights.
VFR conditions will prevail at all of the terminals as a ridge of dry and stable high pressure remains over the region.
A large ridge of high pressure will amplify over the Rockies while the trough over the Great Lakes region remains pretty much in place through the weekend. A cold front will slip through the state today with the most notable features being a barely detectable wind shift and lowering dewpoints.
138 AM EDT Fri Jun 12 2020 Dry weather and seasonable temperatures are expected into the weekend under building high pressure. Dry conditions and more comfortable conditions will continue with building high pressure.
Overnight lows are generally expected to be a little warmer than last night, with mostly lower and mid 50s over the southeast plains and upper 30s to mid 40s in the high valleys. An upper ridge will be over the area on Fri, and temps will are expected to be a little above average, with highs in the upper 80s to mid 90s across southeast CO and the I-25 corridor, and mostly in the lower 80s in the San Luis and Upper Arkansas River Valleys, with mostly 70s in Teller County.
Today will be another warm and mostly dry day, with upper level ridging working its way east into the area and high pressure at the surface. The backdoor cold front is still expected to gradually move through the area tomorrow, keeping temperatures slightly cooler in northeast MO.
High pressure will build south into the region tonight with winds becoming light and variable. This fog should burn off quickly Friday morning, with another beautiful June day expected as temperatures warm into the low 80s under sunny skies.
Models hint that a few weak perturbations could top the ridge, bringing some small pcpn chances to parts of the region.
1040 PM MDT Thu Jun 11 2020 Western NOAM ridge will slowly push east and amplify as a NE PAC upper trough slowly advects east. Quiet weather expected through Friday, with warmer temps on track for tomorrow as WAA continues. This will allow slight chances for showers and TS to return as the ridge shifts east and semi-unsettled SW flow spreads into the region. Lee side trough will shift east INVOF NE WY and far western SD Sat afternoon, with late afternoon and eve sct showers and TS expected.
Quiet weather across the region as we remain under broad troughing in the mid levels and high pressure closer to the surface.
230 AM CDT Fri Jun 12 2020 A few showers have lingered across north-central WI near a cold front within a region of weak mid-level warm advection, with otherwise generally clear skies early today. Given uncertainty in coverage and exact placement of the precip, kept rain chances on the low side at this time.
343 AM CDT Fri Jun 12 2020 Upper ridging builds overhead and mostly pleasant conditions can be expected for today.
/issued 316 PM EDT Thu Jun 11 2020/ A broad upper trough will dominate the east and southeast portion of the country as a front remains stalled just east of Macon to Athens. As a low pressure area develops on the front Friday.
/Issued 1108 PM CDT Thu Jun 11 2020/ /Tonight through Friday/ Upper level high pressure will remain anchored west of the region through the weekend, keeping dry and subsident air in place across North and Central Texas.
Quiet conditions this afternoon, with temperatures ranging from the lower 70s north central to the lower 80s south central. Dry and quiet conditions continue tonight, with mostly clear skies and overnight lows around 40 north central to the lower 50s southwest. A pleasant early summer day is expected on Friday, with upper-level ridging beginning to build in across the region. Highs will range from the lower 70s east to the upper 80s southwest, with mostly sunny skies and winds still somewhat breezy, but calmer than today. Should stay dry due to the ridging, so it should be a nice day to start the weekend. An upper-level trough off the west coast of the CONUS is forecast to deepen, with a closed low off the coast of British Columbia.
Winds will likely stay elevated in these areas overnight as the low level jet strengthens. This may lead to a few showers and thunderstorms as well this evening and overnight as moisture is pulled northward and then eastward on the backside of a mid-level ridge centered over north Texas. Highs tomorrow will increase a few degrees over today, with readings generally in the low to mid 90s. Elevated fire conditions will be a concern once again as well, especially across western Oklahoma where winds will be the strongest and relative humidity the lowest in the afternoon.
By sunrise Friday, temps should be near or perhaps a degree or two warmer than this morning.