Aikyam-Lab/Synoptic-Bench huggingface dataset:
330 PM EST Sun Dec 12 2021 Upper air pattern consists of a 500 mb trough on the west coast and a trough on the ern seaboard with a broad and flat ridge across the central U. This broad ridge will remain across the area through 00z Tue, so quieter weather will continue through then. Before this, zonal upper level flow will begin to amplify over central CONUS as deep troughing moving into the west coast forces ridging over the region.
248 PM CST Sun Dec 12 2021 High pressure remains dominant over the region, with the axis shifting slowly to the east overnight. helping to push slightly warmer air into the region. With that warmer air, moisture follows.
227 PM EST Sun Dec 12 2021 High pressure aloft over the region has flattened somewhat in response to a trough moving by to the north. At the surface, a weak cold front is moving through the area, with just a few showers associated with it. High pressure quickly builds over the southeast, and while we will see dew points drop by a few degrees, the even drier air will remain stuck to our north and we do not get any sort of cool-down.
222 PM EST Sun Dec 12 2021 High pressure will hold over the region through mid week.
Issued by National Weather Service Jackson KY 1225 PM EST Sun Dec 12 2021 High pressure and dry conditions will prevail through the first part of the week before the next chance for showers arrives toward mid week.
Monday will see slightly stronger southwest flow aloft and modest southwest surface flow mostly 10 to 20 mph, along with warmer temperatures in the lower to middle 70s.
Cooler temperatures for the upcoming work week will bring a return to lowland snow potential. Although with air temperatures near freezing road accumulations will depend on precip intensity which carries lower confidence. With radar returns over NE Oregon showing moderate returns and surface observations showing moderate rain at Walla Walla, the higher rates at times appear more likely to occur.
/issued 1003 AM CST Sun Dec 12 2021/ Skies are sunny across the Mid-South this morning with temperatures in the low to mid 40s. A dry and seasonably cool afternoon in store for the region as highs reach the low to mid 50s.
145 PM MST Sun Dec 12 2021 Warm day over the CWA with many locations having overnight low readings warmer than their normal high temperatures would be. A weak cold front will make its way over the area this evening. Cooler air will advect in behind the front, question is will it do so before midnight? If it doesn't, then those warm minimum temperatures mentioned earlier in the paragraph will be record warm minimums. Monday will be a dry and cooler day behind the front with high temperatures dropping about 10 degrees from today's maximums.
214 PM EST Sun Dec 12 2021 High pressure with quiet and warm conditions through most of the week.
200 PM EST Sun Dec 12 2021 A strong area of high pressure is building across the Southeast United States today. The region is positioned between a large area of high pressure covering the OH/TN valleys and low pressure in central Canada with the gradient between these systems steep enough to power SW gusts near 30 mph by afternoon. High temperature projected to reach above normal values in the lower to mid 40s then feel more like lower 30s into this evening.
1009 AM MST Sun Dec 12 2021 9z surface analysis highlights a pressure trough centered from central MT southward into NE Wyoming. Warmer temperatures are expected across the area today, although snow cover is likely to slow the warming across the southern half of the CWA. Looking further upstream this morning, water vapor imagery clearly shows a large trough axis/upper low centered off the coast of British Columbia. A series of vort maxes will eject eastward through southern Canada over the next couple of days as the trough digs southeastward.
152 PM EST Sun Dec 12 2021 High pressure will bring dry weather and moderating temperatures for the new work week.
Today started off cold with patchy freezing fog across parts of the Mid State.
Despite dewpoints likely remaining in the 20s tonight, winds remaining light but steady should keep temps from fully radiating down to these readings, and expect the low 30s across the area tonight. The low to mid 30s can be expected Monday night, which are supported by lighter winds but slightly higher dewpoints, as well as some increased high cloud cover.
1223 PM EST Sun Dec 12 2021 Cool and dry high pressure remains in place through the middle of the week.
316 PM EST Sun Dec 12 2021 High pressure will build in basically through most of the week. High pressure will control area weather through the period, resulting in fair weather. Lows tonight will fall to the lower to middle 30s with mins in the mid to upper 30s Monday night. Highs Monday will reach the low to mid 60s.
Drier and cooler air has advected into the region from the north and northeast with most observation locations observing 20s and 30s dewpoints. Under sunny skies, 1000-850mb thicknesses will support highs reaching the low to mid 50s north to the lower 60s south.
1241 PM EST Sun Dec 12 2021 Seasonably cooler today before temperatures trend well above normal through the end of the week.
253 PM CST Sun Dec 12 2021 Quieter and cooler weather has returned today with a few more dry days ahead.
Gusty winds are already occurring across mountain ridges and favored northern aspects today.
252 PM MST Sun Dec 12 2021 Weak ridging sets up over Colorado Monday keeping a dry and warmer than normal airmass over the region. Temperatures aloft will be warm; however, temperatures may be a few degrees cooler than Sunday. If winds don't mix out, this will keep temperatures a bit cooler. There isn't a strong signal for warning criteria winds among model guidance; however, gusty winds are likely to continue over the high elevations. HREF ensemble means show potential for gusts up to 55 mph over the higher mountains in the afternoon.
530 PM CST Sun Dec 12 2021 Quiet, VFR conditions will persist through the overnight hours as high pressure across the SE US maintains control. /issued 335 PM CST Sun Dec 12 2021/ Started out the day on the cool side with lows in the 30s across the region with a few locations around the lakes region in southeast Texas dropping to the freezing mark.
This wave will drag a weak cold front through the area tonight, without much reaction in the surface pressure fields but enough to somewhat cool temperatures on Monday. Highs Monday in the mid 20s around the Turtle Mountains, to the lower 40s far southwest, and 30s elsewhere are expected.
/issued 304 PM CST Sun Dec 12 2021/ Skies remain sunny across the Mid-South this afternoon with temperatures in the low to mid 50s. High pressure was currently centered over eastern Kentucky. Temperatures will be a little warmer tonight than last night with lows Monday morning in the low to mid 30s. Warmer air will move into the region on Monday with highs in the mid 50s to lower 60s.
635 PM EST Sun Dec 12 2021 Upper air pattern consists of a 500 mb trough on the west coast and a trough on the ern seaboard with a broad and flat ridge across the central U. This broad ridge will remain across the area through 00z Tue, so quieter weather will continue through then. Before this, zonal upper level flow will begin to amplify over central CONUS as deep troughing moving into the west coast forces ridging over the region.
20z surface analysis had trough from eastern MT to eastern CO. Trough has been inching eastward which is relaxing the gradient over northeast WY, but bringing gusty west winds to portions of the higher Black Hills. As trough shifts east, should see strongest winds end by evening. Temperatures above freezing suppressing notable blowing snow potential over the Black Hills. Tonight/Monday, flat upper ridge over the northern Plains becomes southwest flow aloft as upper trough moves onto the west coast. Temperatures tonight tricky given fresh snow cover and downslope flow over the higher terrain, but boundary layer decoupling expected over the snow.
759 PM CST Sun Dec 12 2021 High pressure over the Tennessee and lower Ohio river valleys, will drift into the Atlantic States tonight and Monday, bringing fair weather to central IL through Monday night. Lows tonight will be in the lower 30s. Mostly sunny skies will prevail on Monday across the area with highs in the low to mid 50s.
Slightly cooler temps in N FL to filter over the Nature Coast tonight but warm and humid conditions continue S of the front. /issued 227 PM EST Sun Dec 12 2021/ High pressure aloft over the region has flattened somewhat in response to a trough moving by to the north. At the surface, a weak cold front is moving through the area, with just a few showers associated with it. High pressure quickly builds over the southeast, and while we will see dew points drop by a few degrees, the even drier air will remain stuck to our north and we do not get any sort of cool-down.
501 PM CST Sun Dec 12 2021 High pressure over the Tennessee and lower Ohio river valleys, will drift into the Atlantic States tonight and Monday, bringing fair weather to central IL through Monday night. Lows tonight will be in the lower 30s. Mostly sunny skies will prevail on Monday across the area with highs in the low to mid 50s.
631 PM EST Sun Dec 12 2021 High pressure will bring dry weather and moderating temperatures for the new work week.
Given near freezing temperatures in the forecast, freezing fog is possible in those normally colder areas. The biggest change through the short term period will be increasing ridging over the Gulf of Mexico nudging into the Southeast.
Upglide from a nearby coastal trough is expected to maintain MVFR CIGs through much of the TAF period, with potential for IFR CIGs at times. High pressure over the southern Gulf has resulted in southwesterly mid-level flow across South Texas. A coastal trough will develop tonight during the overnight hours, thus increasing chances for showers mainly over the waters through tomorrow.
335 PM CST Sun Dec 12 2021 Started out the day on the cool side with lows in the 30s across the region with a few locations around the lakes region in southeast Texas dropping to the freezing mark.
745 PM EST Sun Dec 12 2021 Quiet conditions prevail under mainly clear skies this evening as high pressure dominates across the region.
Also of note, gusty winds were combining with RH values in the lower to mid 20s to produce some fire weather concerns across parts of southeast NE into far southwest IA. While HREF and SREF show some spotty low probabilities of fog development, model soundings show it stays pretty dry in the low levels, so keeping mention out for now. Heading into the new week, we'll continue our warming trend as broad upper level ridging builds in over the eastern two-thirds or so of the CONUS while a trough amplifies over the west coast.
An upper trough will dig into the West Coast tonight and Monday. Upper ridging will build across the Central and Southeastern U. The upper trough will continue to deepen across the West Coast into the Intermountain West.
510 PM EST Sun Dec 12 2021 High pressure over Tennessee will settle over central NC tonight and remain in place through midweek. A 1030 mb high pressure system over central and eastern Tennessee will settle over central NC tonight. Low-level thicknesses will rise some 15-18 m, supporting high temperatures about 5-6 degrees warmer than today (4-6 degrees above average), with upper 50s in the north and lower 60s across the Sandhills and southern coastal Plain.
Temperatures had dropped into the lower 30s. For tomorrow, high pressure will be shifted slightly further east, allowing our winds to become southwesterly as we get into a return flow WAA regime.
The majority of models favor status over fog and will continue to go with the prevailing forecast for now which favors the low clouds. This will be the first of many consecutive days of an onshore flow pattern with high pressure becoming centered near the North Carolina/Mid-Atlantic Coast.
/EC/ High pressure remains dominant over the region, with the axis shifting slowly to the east overnight. helping to push slightly warmer air into the region. With that warmer air, moisture follows.
A coastal trough/warm front will develop later tonight and and clouds will begin to increase especially over the southern part of the CWA. MaxT values will be considerably warmer on Monday with highs in the mid 60's north and mid 70's south. It will be warmer than tonight with low temperatures in the lower and middle 60's.
Quieter and cooler weather has returned today with a few more dry days ahead.
Look for another sunny day tomorrow with temperatures several degrees warmer today as weak southerly flow returns to the area.
Dry and mostly clear to partly cloudy skies (from passing cirrus) will prevail on the northwest periphery of expansive ~1030 mb high pressure centered over the southeast US. Lows will be 10-15F above normal in the lower-mid 30s except upper 30s for the Chicago shore. Castro The period starts on a warming trend with a ridge of high pressure centered over the mid-Atlantic states. The clockwise motion around the high will keep southerly flow across the area which will advect in warm-moist air from the Gulf of Mexico.
326 PM CST Sun Dec 12 2021 High pressure over the Tennessee and lower Ohio river valleys, will drift into the Atlantic States tonight and Monday, bringing fair weather to central IL through Monday night. Lows tonight will be in the lower 30s. Mostly sunny skies will prevail on Monday across the area with highs in the low to mid 50s.
High pressure over the southern Gulf has resulted in southwesterly mid-level flow across South Texas. A coastal trough will develop tonight during the overnight hours, thus increasing chances for showers mainly over the waters through tomorrow.
718 PM EST Sun Dec 12 2021 High pressure will build in basically through most of the week. High pressure will control area weather through the period, resulting in fair weather. Lows tonight will fall to the lower to middle 30s with mins in the mid to upper 30s Monday night. Highs Monday will reach the low to mid 60s.
945 PM EST Sun Dec 12 2021 High pressure centered over portions of the Carolinas will basically meander in this position thru Wed resulting in light winds and a slow warming trend. A coastal trof will push onshore and northward Thu followed by high pressure centered well offshore from the SE States ridging back across the area Fri into Sat. The above normal temps will continue into the upcoming weekend with a threat for rain Sun as a backdoor cold front sinks across the region. High pressure will control area weather through the period, resulting in fair weather. Lows tonight will fall to the lower to middle 30s with mins in the mid to upper 30s Monday night. Highs Monday will reach the low to mid 60s.
213 PM MST Sun Dec 12 2021 20z surface analysis had trough from eastern MT to eastern CO. Trough has been inching eastward which is relaxing the gradient over northeast WY, but bringing gusty west winds to portions of the higher Black Hills. As trough shifts east, should see strongest winds end by evening. Temperatures above freezing suppressing notable blowing snow potential over the Black Hills. Tonight/Monday, flat upper ridge over the northern Plains becomes southwest flow aloft as upper trough moves onto the west coast. Temperatures tonight tricky given fresh snow cover and downslope flow over the higher terrain, but boundary layer decoupling expected over the snow.
304 PM CST Sun Dec 12 2021 Skies remain sunny across the Mid-South this afternoon with temperatures in the low to mid 50s. High pressure was currently centered over eastern Kentucky. Temperatures will be a little warmer tonight than last night with lows Monday morning in the low to mid 30s. Warmer air will move into the region on Monday with highs in the mid 50s to lower 60s.
934 PM EST Sun Dec 12 2021 High pressure will hold over the region through mid week.
410 PM CST Sun Dec 12 2021 High pressure over the Tennessee and lower Ohio river valleys, will drift into the Atlantic States tonight and Monday, bringing fair weather to central IL through Monday night. Lows tonight will be in the lower 30s. Mostly sunny skies will prevail on Monday across the area with highs in the low to mid 50s.
825 PM EST Sun Dec 12 2021 High pressure over Tennessee will settle over central NC tonight and remain in place through midweek. High pressure will continue to dominate the region tonight through tomorrow. Low-level thicknesses will rise some 15-18 m, supporting high temperatures about 5-6 degrees warmer than today (4-6 degrees above average), with upper 50s in the north and lower 60s across the Sandhills and southern coastal Plain.
1135 PM CST Sun Dec 12 2021 Mostly quiet weather will persist through the TAF period with the only concern continuing to be the lowering of CIGS later in the period. /issued 530 PM CST Sun Dec 12 2021/ Quiet, VFR conditions will persist through the overnight hours as high pressure across the SE US maintains control. /issued 335 PM CST Sun Dec 12 2021/ Started out the day on the cool side with lows in the 30s across the region with a few locations around the lakes region in southeast Texas dropping to the freezing mark.
In our position west of the center of the high over the central Appalachians we'll see winds coming in from the south around 10 mph this afternoon. Winds will go light tonight as temperatures drop back down to around the freezing mark.
/EC/ Prior discussion below: High pressure remains dominant over the region, with the axis shifting slowly to the east overnight. helping to push slightly warmer air into the region. With that warmer air, moisture follows.
/issued 530 PM CST Sun Dec 12 2021/ Quiet, VFR conditions will persist through the overnight hours as high pressure across the SE US maintains control. /issued 335 PM CST Sun Dec 12 2021/ Started out the day on the cool side with lows in the 30s across the region with a few locations around the lakes region in southeast Texas dropping to the freezing mark.
925H temperatures warm to 7-9C with is a couple degrees warmer than today. An increase in cirrus is expected but at this time looking like the high clouds should be thin most of the day. Monday night will be a little cooler as the winds will be light with lows in the mid 20s to low 30s across the area.
As high pressure moves east across the area, look for dry weather tonight through Monday night.
1230 AM EST Mon Dec 13 2021 Plenty December sunshine in the days ahead, as high pressure remains in vicinity, becoming reinforced mid-week north of the Carolinas. High pressure will result in fair weather. Lows tonight will fall to the lower to middle 30s with mins in the mid to upper 30s Monday night. Highs Monday will reach the low to mid 60s.
1249 AM EST Mon Dec 13 2021 High pressure will extend across the southern Middle Atlantic and Carolinas through mid week. High pressure will continue to dominate the region tonight through tomorrow. Low-level thicknesses will rise some 15-18 m, supporting high temperatures about 5-6 degrees warmer than today (4-6 degrees above average), with upper 50s in the north and lower 60s across the Sandhills and southern coastal Plain.
Quiet conditions prevail under mainly clear skies this evening as high pressure dominates across the region.
1232 AM EST Mon Dec 13 2021 Upper air pattern consists of a 500 mb trough on the west coast and a trough on the ern seaboard with a broad and flat ridge across the central U. This broad ridge will remain across the area through 00z Tue, so quieter weather will continue through then. Before this, zonal upper level flow will begin to amplify over central CONUS as deep troughing moving into the west coast forces ridging over the region.
300 AM EST Mon Dec 13 2021 High pressure will extend across the southern Middle Atlantic and Carolinas through mid week. High pressure will continue to dominate the region tonight through tomorrow. Low-level thicknesses will rise some 15-18 m, supporting high temperatures about 5-6 degrees warmer than today (4-6 degrees above average), with upper 50s in the north and lower 60s across the Sandhills and southern coastal Plain.
1109 PM CST Sun Dec 12 2021 High pressure over the Tennessee and lower Ohio river valleys, will drift into the Atlantic States tonight and Monday, bringing fair weather to central IL through Monday night. Lows tonight will be in the lower 30s. Mostly sunny skies will prevail on Monday across the area with highs in the low to mid 50s.
Southerly winds will help keep temps warmer than last night, though dry air remains in place under clear skies.
GAH AFTERNOON UPDATE: Warm day over the CWA with many locations having overnight low readings warmer than their normal high temperatures would be. A weak cold front will make its way over the area this evening. Cooler air will advect in behind the front, question is will it do so before midnight? If it doesn't, then those warm minimum temperatures mentioned earlier in the paragraph will be record warm minimums. Monday will be a dry and cooler day behind the front with high temperatures dropping about 10 degrees from today's maximums.
Warmer than normal temperatures this afternoon despite cool start, along with low relative humidity values. Expect we will see some MinRH values in the mid 20 percent range this afternoon in the higher elevations. That said, overnight lows tonight will be slightly warmer so some fog development is expected. Hard to say whether this will be freezing fog or not as density and onset time will be crucial, but may need to keep an eye on this.
VFR conditions will prevail as high pressure builds in, surface winds are light, and skies remain clear. CD Chattanooga Airport, TN 58 35 61 43 64 / 0 0 0 0 0 Knoxville McGhee Tyson Airport, TN 56 32 60 38 63 / 0 0 0 0 0 Oak Ridge, TN 55 31 58 38 62 / 0 0 0 0 0 Tri Cities Airport, TN 55 30 60 36 63 / 0 0 0 0 0.
253 AM CST Mon Dec 13 2021 Today will continue to see a day to day increase in high temperatures as an unseasonably strong upper level ridge centers itself over the Great Lakes and Ohio Valley regions through the first half of the work week.
(Today and tonight) Warmer temperatures are forecast across West Central Texas this afternoon, as southwest winds increase to 10 to 15 mph. Highs this afternoon will be in the low to mid 70s.
Meteorological details: The downslope-warmed thermal ridge will be farther to the east today with higher low-level (925-850 mb) temperatures than yesterday afternoon. As a result, most locations should be warmer with highs ranging from the mid 60s to low 70s deg F. The magnitude of the east-to-west temperature gradient should be less given the low-level thermal field will be closer to being homogeneous.
The low clouds and fog will lift by mid morning with skies becoming partly cloudy with continued warm conditions today with highs in the upper 70s north to the mid 80s south. High pressure will build along the mid Atlantic coast and extend across the Florida peninsula through much of the week with easterly flow extending the stretch of above normal temperatures through the period. Over the weekend, the area of high pressure will shift to the western Atlantic with the flow across the peninsula veering southeast. High pressure will hold over the waters through the period with no hazards expected.
We should remain under the influence of high pressure for Monday.
1040 PM EST Sun Dec 12 2021 For a quite weather day across the Florida Keys, it was a different story for the coastal waters south and southwest of the lower Keys. The clouds for the most part have drifted southwest but some mid clouds still linger across the lower Keys. A strong high pressure will then build in behind the front, leading to further freshening of breezes starting Monday.
Upper level ridging over the middle of the country remains the driving force for the region's weather. At the surface, a relatively weak cold front is just to our south. Temperatures should be cooler today and tomorrow than they were yesterday for most areas.
946 AM EST Mon Dec 13 2021 Cool and dry high pressure remains in place through the middle of the week.
Once the fog burns off, look for partly cloudy skies and warmer readings with highs in the mid 60s to low 70s.