Aikyam-Lab/Synoptic-Bench huggingface dataset:
(Tonight) A wave rotating around the back side of a large upper level low pressure system over the north central CONUS will bring increasing clouds and rain chances mainly after midnight tonight.
Temperatuers have fallen off after sunset and the RH have increased, which has the allowed the fire danger to drop down to the low category. In the wake of yesterday's cold front, it is much more brisk across the area, particularly when factoring in a steady northwest wind. Along with cool mid-level temperatures under the upper low, this has been enough for a few scattered showers to develop across east-central Kansas. Along with cloud cover, the increased CAA will keep high temperatures in the low/mid 40s tomorrow. Tomorrow night, skies will begin to clear and winds will lessen as high pressure builds in.
A cold front is quickly moving into middle Tennessee and Alabama. The exception may be across far northeast Arkansas, the Missouri Bootheel and along the KY/TN state line as a spoke of energy rotates around the base of a positively tilted trough oriented from northern Lake Superior into northwest Arkansas. A reinforcing cold front associated with the aforementioned trough will move across the area tomorrow afternoon.
A weak backdoor cold front will result in a northerly wind shift across the eastern plains and highlands after 06Z, including KTCC, KLVS and KROW. A weak backdoor cold front will slide down the eastern plains overnight and bring some cooling for Friday.
204 PM MST Thu Nov 11 2021 Light precipitation and warming temperatures will begin to dominate the region late tonight and through the day on Friday as a warm front lifts eastward across the region.
Latest water vapor imagery shows a deep low pressure system centered over the eastern Dakotas and western portions of Minnesota and Iowa. A tight pressure gradient behind this system has pushed wind gusts across portions of the northern Plains and northern Nebraska up toward 45-55 mph at times as a few vorticity lobes rotate around the low amplifying gusts. A few light snow showers are possible Friday morning into the afternoon in response to additional vorticity lobes rotating around the low, especially across northern portions of the CWA.
A line of showers along a cold front is moving eastward across the CWA this afternoon. Temperatures will gradually fall tonight down into the lower 40s. A reinforcing cold front drops down from the northwest on Friday.
709 PM EST Thu Nov 11 2021 A cold front will move towards the region from the west, then will rapidly push through during the overnight hours. By Friday morning, drier air will begin moving in from the west as high pressure builds back into the region. Main cold front is still situated well off to the west of the area, just east of the Mississippi River region. The best rain chances should occur after sunset tonight just ahead of the main cold frontal passage. Friday and Friday Night: Skies clear out quickly in the morning as drier air moves into the forecast area behind the departing cold front. Highs on Friday will range from the upper sixties to near seventy north and west to the lower to mid seventies in the south and east.
The Low will start moving eastward again after midnight which will lead to gradual clearing and winds diminishing over the area by morning.
A cold front arrives late morning tomorrow. (This afternoon through Friday night) An upper level trough is centered over the Northern Plains/Upper Midwest and extends south to the Gulf Coast. Upper ridging is over the southwest part of the country. The upper trough will move eastward on Friday and the upper ridge will expand over the southwest conus. A cold front with gusty north to northeast winds will begin moving into West Texas and Southeast New Mexico Friday morning.
These areas after midnight may see multiple periods of moderate snow that changes to freezing rain and eventually rain.
459 PM EST Thu Nov 11 2021 An upper and mid-level trough will continue to advance east and propel a frontal boundary across portions of Northern Florida and the Eastern Gulf of Mexico later tonight. Additionally, the Keys are on the backside of the high pressure, which is creating confluence. Weak ridging at the surface, modest lower level lift, and drier air in the mid-levels of the atmosphere has inhibited the development of thunderstorms over the local islands, which will change soon. The low level and upper-level flow will turn cyclonic tonight as the mid to upper-level trough strengths north of the area, and the ridging continues to move east of region.
537 PM CST Thu Nov 11 2021 VFR through the period with high pressure dominating and clear skies expected. The weak high pressure that is settling over the area tonight will allow for winds to drop below 5 kt and keep primarily their N directions at AUS/SSF/SAT. Could see some light southerly directions for a few hours late morning and early afternoon before the north winds again push through by late Fri afternoon with another high pressure surge and weak cold front.
210 PM MST Thu Nov 11 2021 A deep closed low over the upper Midwest will combine with a ridge of high pressure building over the West Coast to produce a strong northwest gradient over the forecast area. The northwest gradient will decrease over the weekend as a ridge of high pressure slowly builds east over the the region.
No changes to the High Wind Warning headline attm. Today we have seen winds increase, especially this afternoon as a strong low pressure system continues to deepen over MN/WI and we see a tightening pressure gradient at the surface. Winds decrease Friday afternoon as the upper low pushes eastward.
500 PM MST Thu Nov 11 2021 A deep closed low over the upper Midwest will combine with a ridge of high pressure building over the West Coast to produce a strong northwest gradient over the forecast area. The northwest gradient will decrease over the weekend as a ridge of high pressure slowly builds east over the the region.
00Z TAFs Drier air will move into the region tonight as high pressure ridge slowly builds into south Texas. Light north to northeast winds tonight will become variable Friday morning with the arrival of a secondary high pressure ridge by late afternoon bringing the winds around to north again. The cold front is now moving into Deep South Texas and dry air is filling in behind it. Skies will continue to clear from north to south as dry air and high pressure settle in. High pressure will move into TX and progress southeastward during the day Friday. Lows tomorrow night are expected to be slightly cooler than tonight's.
A few high clouds have begun working their way over interior Northern California from the west as ridging continues to build over the area. Temperatures vary little through the weekend as ridging remains stoutly in place.
A weak cold front has pushed through the area today bringing little in the way of rainfall. Temperatures will be slightly cooler tonight behind the front as clouds decrease and winds remain relatively calm. Upper level ridge over the southeastern states will move off the Atlantic seaboard. Friday will remain mild and dry through the daytime hours out ahead of the stronger secondary cold front. Upper level trough axis begins to line up with the middle and lower MS Valley areas late in the day on Friday. This will bring a dry cold front through Friday evening with increasing north winds and temperatures falling into the 50s by 9 PM pretty much areawide. This secondary front will continue to filter in Friday night with temperatures dropping into the lower 40s north to the lower 50s south.
A cold front has moved thru the TAF sites with rain exiting to the east.
528 PM CST Thu Nov 11 2021 (This evening through Friday) Dry weather will continue across the area the next 24 hours, with another cold front moving through tomorrow. Slightly cooler temperatures will follow the front, along with breezy north winds. Expect clear skies and light winds tonight, with overnight lows mainly in the lower 40s, with highs Friday ranging from the mid 60s across the Big Country, to the upper 60s and lower 70s over southern sections.
Today we have seen winds increase, especially this afternoon as a strong low pressure system continues to deepen over MN/WI and we see a tightening pressure gradient at the surface. Winds decrease Friday afternoon as the upper low pushes eastward.
Showers are located along and just in advance of the cold front which currently stretches along I-65. Temperatures will be much cooler with highs generally upper 50s to near 60.
Diminishing clouds tonight into Friday with dry and warmer conditions through the weekend. Northwesterly flow over NE Nevada is weakening as high pressure gradually rebuilds over the Great Basin region. Mostly sunny Friday afternoon with temperatures trending warmer by 3-5 degrees. Most valley locations will warm into the low to mid 60s on Friday which will be around 15 degrees above normal. Skies will be clear Friday night with lows near freezing in most areas. Relatively light winds are expected through the short term period under the building high pressure.
556 PM CST Thu Nov 11 2021 (Tonight) A wave rotating around the back side of a large upper level low pressure system over the north central CONUS will bring increasing clouds and rain chances mainly after midnight tonight.
The cold front and precip quickly moved through the region this morning, resulting in a dry and gusty afternoon. With the ground still warm, no accumulations are expected, unless it is on cooler grassy areas. Temperatures tomorrow are expected to be in the 40s across most of the area with highs pushing the lower 50s in the southeast.
530 PM CST Thu Nov 11 2021 Much cooler and dry weather is expected through the night, but a quick moving system will bring gusty winds to the area tomorrow, along with a mix of rain showers and snow showers to areas north of I-72/Danville.
The cold front is now moving into Deep South Texas and dry air is filling in behind it. Skies will continue to clear from north to south as dry air and high pressure settle in. High pressure will move into TX and progress southeastward during the day Friday. Lows tomorrow night are expected to be slightly cooler than tonight's.
No issues for the short-term as high pressure builds into the CWA in the wake of this morning's cold front. This cooler/drier air mass is expected to be re-inforced with another cold front that's progged to move through SE TX tomorrow afternoon. Lows tonight will range from the lower/mid 40s over the northern CWA to the upper 40s/lower 50s south (including the Houston Metro). Along the beaches/ immediate coast, lows will be in the lower 60s tonight and then into mid 50s tomorrow night.
551 PM CST Thu Nov 11 2021 (This evening through Friday) A deepening mid-level trough will continue to move eastward across the Northern Plains and Midwest today. High temperatures tomorrow will be in the mid to upper 50s across most of Oklahoma, and into the lower 60s in western north Texas. Behind the aforementioned cold front, very dry air will be brought in with the gusty northerly winds.
348 AM EST Fri Nov 12 2021 A longwave trough, associated with an upper-level low in Canada, is continuing to propagate eastward. Associated with the upper-level system, a surface cold front is working through the FL panhandle and later this morning should be working through our region of the state. As high pressure builds in, northerly winds advect cooler, drier, more stable air in that will ultimately result in a noticeable chill to kick off the work week. As the work week starts to fade, gradually warmer and increasingly moist air returns. Behind the front, cooler, drier, and breezier northerly winds settle over coastal waters, but currently are expected to remain below cautionary levels.
Much cooler temperatures will be expected for Friday night and Saturday night as frost is in the forecast for northern Mississippi. A cold front is quickly moving into middle Tennessee and Alabama. The exception may be across far northeast Arkansas, the Missouri Bootheel and along the KY/TN state line as a spoke of energy rotates around the base of a positively tilted trough oriented from northern Lake Superior into northwest Arkansas. A reinforcing cold front associated with the aforementioned trough will move across the area tomorrow afternoon. Frost and or freezing conditions are expected Saturday.
On the back edge is some enhancement which is likely the cold front. The upper low/trough will take 36 hrs or so to move across the cwa, which means we're likely to see showers through Friday night. Lift from the trough moving through coupled with warm late water yields MUCAPE in the 200-600 j/kg range.
The cold front is more than half way through the CWA stretching from the Abingdon and Tri Cities areas through the foothills of the Smokies. Steady rain associated with strong frontogenetic forcing upon a conveyor belt of Gulf moisture in response to the right entrance of a 110-120 kt H3 jet over the lower OH Valley has accompanied the front. The rest of the forecast remains on track with temps a solid 10 degrees cooler for Fri. Rain is about to exit NE Tennessee as a cold front is moving into North Carolina.
Exiting cold front ushers in cooler and drier conditions for Today. Could be a little snow mixed in the higher elevations. Discussion: A deep upper low was located over the western Great Lakes this morning with a cold front extending to the southeast over the Carolinas. Tonight clouds increase ahead of another cold front which will reinforce a colder airmass with some light rainfall northern plateau and across northeast Tennessee and southwest Virginia.
This is generating gentle east to southeast breezes and subtle troughing across our area. Persistent, but moderating low level lift, due to flagging momentum and increasingly disorganized flow at some lower levels, has been responsible for quite high moisture levels through the lower levels. This is partnered by much increased moisture through the mid and upper levels due to broad troughing aloft aligned near Mexico's gulf coast. Expect overnight lows to fall broadly in the lower 70s and very near the dew point temperature. A subtle trough across Keys waters will result in light east to southeast breezes across Keys waters through the overnight period. Expect minor coastal flooding in the hours around the time of the higher high tide, which will be around 4 to 5 am for the Lower and Middle Keys.
06Z TAFs Drier air mass will continue to move into the region overnight as a high pressure ridge slowly builds into south Texas. Light north to northeast winds will become variable Friday morning with the arrival of a secondary high pressure ridge by late afternoon bringing the winds around to north again. The cold front is now moving into Deep South Texas and dry air is filling in behind it. Skies will continue to clear from north to south as dry air and high pressure settle in. High pressure will move into TX and progress southeastward during the day Friday. Lows tomorrow night are expected to be slightly cooler than tonight's.
Temperatures have fallen off after sunset and the RH have increased, which has the allowed the fire danger to drop down to the low category. In the wake of yesterday's cold front, it is much more brisk across the area, particularly when factoring in a steady northwest wind. Along with cool mid-level temperatures under the upper low, this has been enough for a few scattered showers to develop across east-central Kansas. Along with cloud cover, the increased CAA will keep high temperatures in the low/mid 40s tomorrow. Tomorrow night, skies will begin to clear and winds will lessen as high pressure builds in. The upper low will weaken some as it moves east, transitioning into more of an open longwave trough over the eastern CONUS.
1048 PM CST Thu Nov 11 2021 (Tonight) A wave rotating around the back side of a large upper level low pressure system over the north central CONUS will bring increasing clouds and rain chances mainly after midnight tonight.
1253 AM EST Fri Nov 12 2021 A cold front will move through the region this evening.
(This evening through Friday) A deepening mid-level trough will continue to move eastward across the Northern Plains and Midwest today. High temperatures tomorrow will be in the mid to upper 50s across most of Oklahoma, and into the lower 60s in western north Texas. Behind the aforementioned cold front, very dry air will be brought in with the gusty northerly winds.
Locally higher amounts nearing or slightly exceeding 6 inches will be possible but this will be at the highest peaks so only minor impacts are expected. Meanwhile, the remainder of the forecast area will remain dry as high pressure begins to amplify over the southwestern states. Overnight lows will remain mild both tonight and Saturday night in response to passing clouds, though values will remain near to below freezing region-wide.
A cold front will arrive by mid-morning. (This afternoon through Friday night) An upper level trough is centered over the Northern Plains/Upper Midwest and extends south to the Gulf Coast. Upper ridging is over the southwest part of the country. The upper trough will move eastward on Friday and the upper ridge will expand over the southwest conus. A cold front with gusty north to northeast winds will begin moving into West Texas and Southeast New Mexico Friday morning.
1125 PM CST Thu Nov 11 2021 High pressure will quickly move across southern Arkansas overnight. Today Through Saturday Not bad across the Natural State today as drier and cooler air filter in behind last night's front.
The short term will be quiet as a reinforcing shot of high pressure later today leads to a cooler and dry Saturday. These westerlies will actually help warm temperatures ahead of the next reinforcing shot of cooler and drier air.
A strong ridge of high pressure builds to our west for the next several days, bringing above normal temperatures, clear skies and light winds to our area.
Unseasonably warm and dry conditions are expected over the weekend with high pressure set up over the Desert Southwest.
Meanwhile, a cold front will continue to move across the area today leading to breezy NW winds and cooler temperatures with highs in the 50s to low 60s this afternoon. With the low RH and breezy NW winds, Elevated to Near Critical fire weather conditions will be possible this afternoon across approximately the western third of the area. This along with the cooler air behind the front will likely lead to at or below freezing temperatures across a good portion of the fa so a Freeze Watch has been issued.
A weak backdoor cold front will result in a northerly wind shift across the eastern plains and highlands through the overnight hours, including KTCC, KLVS and KROW. A weak backdoor cold front will slide down the eastern plains overnight and bring some cooling for Friday.
(Today and tonight) West Central Texas will see another relatively cool day, and just slightly cooler than normal. A cold front currently moving south through the Texas Panhandle region will move south through our area today, making it into the Interstate 10 corridor by mid to late afternoon. The combination of light winds, dry air, and clear skies will allow temperatures to fall into the 30s nearly area-wide, with some of our valley areas and other low- lying locations possibly hitting freezing temperatures.
A cold front has pushed through most of the forecast area this morning looking at regional obs and by daybreak it should be clear of most of the area. The northerly flow behind the front will quickly weaken later this evening as a strong upper level trough approaches from the west and weak southerly flow develops.
With a west wind in the low-levels, lake effect rain/snow showers can impact Berrien and Cass (MI) counties Friday night.
2) Temperatures below freezing tonight. The rest of today: Following the morning episode of weather, a trough and cold front will move into the area. Between the cloud cover and the frontal passage, the northern CWA should see temperatures top out in the mid 40s today, while the southern CWA is forecast to see highs in the low to mid 50s. Cooler temperatures continue into Saturday with highs in the mid to upper 40s.
No changes to the High Wind Warning headline attm. Today we have seen winds increase, especially this afternoon as a strong low pressure system continues to deepen over MN/WI and we see a tightening pressure gradient at the surface. Winds decrease Friday afternoon as the upper low pushes eastward. Temperatures will trend warmer on Saturday, with highs returning to the 50s and 60s for most.
906 PM CST Thu Nov 11 2021 In wake of a cold front that passed across the region earlier this evening, winds have shifted to the NW and a cooler, drier air mass is quickly filtering into the region. Otherwise, expect temperatures to continue to drop overnight and bottom out in the lower 40s in most locations. A reinforcing cold front drops down from the northwest on Friday.
Have also see some fairly strong winds over the higher elevations in Teller County and across the Rampart Range, where some gusts to 50 mph have been noted in mesonet data this afternoon. Weak cold front dropping south through the plains may keep nly winds stirred for much of the night, especially east of I-25, where some gusts in the 15-20 mph range will be possible after midnight.
This activity is being supported by broad ascent rounding out the base of the lumbering upper low crossing the upper midwest. Much cooler temperatures will usher in the weekend, with highs on Friday chilly, only topping out in the 40s as northwest flow persists through the column.
Upper level ridge axis shifts east across the Northern Rockies tonight quickly followed by the next surge of Pacific moisture and warm advection late tonight through Friday morning. Precipitation will spread east into western MT overnight, reaching areas along the Continental Divide by late tonight before a broken area of light precipitation in association with the elevated warm front advances east across the rest of the area Friday morning. Temperature/moisture profiles support mixed precipitation late tonight into early Friday as warming occurs and though precipitation coverage and amounts are fairly light a brief period of light freezing rain/drizzle is possible in the transition, mainly along the Continental Divide as precipitation moves in early Friday morning.
In wake of a cold front that passed across the region earlier this evening, winds have shifted to the NW and a cooler, drier air mass is quickly filtering into the region. Otherwise, expect temperatures to continue to drop overnight and bottom out in the lower 40s in most locations. A reinforcing cold front drops down from the northwest on Friday.
Therefore the High Wind Warning will remain in effect until 12Z. On Saturday, sharply warmer, as a downsloping westerly wind mixes down H85 temperatures from 8-13C. An approaching cold front and disturbance in west northwest flow aloft will bring a slight chance for light rain to north central NE during the afternoon.
1041 PM MST Thu Nov 11 2021 A deep closed low over the upper Midwest will combine with a ridge of high pressure building over the West Coast to produce a strong northwest gradient over the forecast area. The northwest gradient will decrease over the weekend as a ridge of high pressure slowly builds east over the the region.
Given that the front is clipping our area, it looks like we may just have some scattered to broken mid/high clouds, and the low clouds will stay east of the TAF sites. Given that the front is clipping our area, it looks like we may just have some scattered to broken mid/high clouds, and the low clouds will stay east of the TAF sites.
1114 PM CST Thu Nov 11 2021 (This evening through Friday) A deepening mid-level trough will continue to move eastward across the Northern Plains and Midwest today. High temperatures tomorrow will be in the mid to upper 50s across most of Oklahoma, and into the lower 60s in western north Texas. Behind the aforementioned cold front, very dry air will be brought in with the gusty northerly winds.