Aikyam-Lab/Synoptic-Bench huggingface dataset:
921 AM CST Sat Nov 23 2019 Clouds dissipating across the region as ridging aloft becomes established. Temperatures will be cooler than yesterday which saw mid 70s to near 80. IFR ceilings continue at all sites this morning behind the cold front, with northwest winds around 10-12 kts.
252 PM CST Sat Nov 23 2019 An upper trough extends from over the Great Lakes Region southward to over Louisiana.
Clouds should eventually clear as the last of the stratus moves out of the area as the mid-level trough axis continues to move east. Light return southwest flow and remaining clouds have helped keep temperatures a couple degrees warmer than the previous forecast. Moderating temperatures are still expected today with highs near 50 to the mid 50s, with the cooler temperatures more likely in our south where snow is still on the ground. Sunday still looks like our warmest day of the forecast with highs in the upper 50s to near 60, before a cold front comes through and cools things off.
In the last couple of hours the low has moved north and east. This is associated with the upper level low and cold front.
420 PM MST Sat Nov 23 2019 Mild and dry conditions continue for most of the area this afternoon, except for the persistent fog in the lower Wind River basin, which are in turn holding temps still in the 20s.
Hedged cooler once again in snow pack area of central KS, although suspect effects may not be as widespread as last night.
334 PM CST Sat Nov 23 2019 Tonight through Tomorrow: A low pressure system rotating over the Mid-South this afternoon is helping to reinforce low-level cloudiness across especially the northern half of our forecast area. As the low departs to the east tonight and drier air continues to filter into the region, the clouds should continue to thin and shift to our east for tomorrow.
336 PM MST Sat Nov 23 2019 High pressure will maintain mild and dry weather through the weekend.
This generally gave lows of around or just below freezing north and east of the Missouri while higher elevation areas to the southwest stay above freezing. Surface temperatures should remain just warm enough given cloud cover to avoid a freezing rain threat with any rain that can reach the ground. For Sunday, a cold front will enter western North Dakota during the late morning and early afternoon, and propagate east through the day. Strong west-northwest winds behind the cold front are favored, especially west of the Missouri River. As expected uncertainty is rather high as pre-existing upper level troughing is forecast across the southwest CONUS ahead of the arrival of the upper level wave which could signal a favoring of a more southerly track within the envelope of solutions across the plains.
Warmer high temperatures can be expected on Sunday due to plenty of solar insolation coupled with southwest winds.
Upper trough axis working across middle TN at this time. Weak impulses on the back side of the upper trough axis continue to work with the low level moisture that remains.
/issued 405 PM CST Sat Nov 23 2019/ A rather cool day on tap as temperatures are ranging from the low to mid 60s under clear skies and northwest winds. Winds have been a bit stronger in the coastal waters but winds will continue to settle as high pressure builds in. We remain in a progressive pattern in the atmosphere as the upper lvl low kicks off into the mid-Atlantic states by tomorrow with weak ridging aloft and high pressure at surface across the gulf states.
/issued 252 PM CST Sat Nov 23 2019/ An upper trough extends from over the Great Lakes Region southward to over Louisiana.
Tonight through Tomorrow: A low pressure system rotating over the Mid-South this afternoon is helping to reinforce low-level cloudiness across especially the northern half of our forecast area. As the low departs to the east tonight and drier air continues to filter into the region, the clouds should continue to thin and shift to our east for tomorrow.
Tomorrow will see temperatures rise even more despite cooler northwest flow aloft.
A little cooler back to the east with upper 40s from east central SD through southwestern MN and parts of northwestern IA.
Clear skies will allow temperatures to dip down into the low to mid 30s overnight, with some of the colder spots falling into the upper 20s.
/Issued 214 PM EST Sat Nov 23 2019/ Low pressure is situated across central KY. The trailing cold front is currently across far NW GA. Another night of above normal temps tonight, but it will still be cooler than previous nights.
532 PM CST Sat Nov 23 2019 High pressure has settled over the region bringing mostly clear skies with light winds. Fair weather continues through this weekend with light northerly winds, relatively lower dew points, and mostly clear skies, as we sit comfortably under high pressure. As this high shifts east, our winds respond by shifting back out of the south, slowing increasing moisture.
337 PM MST Sat Nov 23 2019 Mild and dry conditions continue for most of the area this afternoon, except for the persistent fog in the lower Wind River basin, which are in turn holding temps still in the 20s.
700 PM EST Sat Nov 23 2019 Approaching low pressure will bring rain tonight. Colder temperatures will rely on the passage of the upper level low, which will not occur until after midnight. This has required some adjustments in snow totals, focusing mainly on the higher elevations in the eastern portion of the forecast area. High pressure will slowly build in on Sunday, but any breaks in the clouds look to be short lived as models are indicating low level moisture becoming trapped under upper level subsidence.
405 PM CST Sat Nov 23 2019 A rather cool day on tap as temperatures are ranging from the low to mid 60s under clear skies and northwest winds. Winds have been a bit stronger in the coastal waters but winds will continue to settle as high pressure builds in. We remain in a progressive pattern in the atmosphere as the upper lvl low kicks off into the mid-Atlantic states by tomorrow with weak ridging aloft and high pressure at surface across the gulf states.
Based on latest water vapor loop, moisture is currently streaming NW-ward from the Pacific along with the upper level ridge centered over western Mexico.
417 PM MST Sat Nov 23 2019 20z surface analysis had lee trough in place from southern AB into eastern WY. Water vapour had northwest flow over the northern plains as ridge shrinks off the west coast. Tonight, low level downslope flow continues which will keep temperatures on the north through east foothills of the Black Hills a bit warmer than guidance overnight.
/Tonight/ The evening sfc analysis indicates sfc ridging anchored over Scntrl TX, extending E into Wrn LA and the Lower MS Valley.
1010 PM MST Sat Nov 23 2019 Mild and dry conditions continue for most of the area this afternoon, except for the persistent fog in the lower Wind River basin, which are in turn holding temps still in the 20s.
1053 PM CST Sat Nov 23 2019 High pressure has settled over the region bringing mostly clear skies with light winds. Fair weather continues through this weekend with light northerly winds, relatively lower dew points, and mostly clear skies, as we sit comfortably under high pressure. As this high shifts east, our winds respond by shifting back out of the south, slowing increasing moisture.
302 AM EST Sun Nov 24 2019 Crossing low pressure will change showers of rain to snow as the predawn progresses.
351 AM EST Sun Nov 24 2019 A short wave trough was moving across the Appalachians toward the mid Atlantic Coast this morning. In the wake of this system drier and cooler air was spreading across north and central GA.
1034 PM EST Sat Nov 23 2019 Crossing low pressure will change diminishing rain to light snow as the night progresses. Freezing rain potential will be light and limited to elevated areas as ground temperature remains too warm.
Clouds increasing from the northwest overnight and Sunday with snow showers along a cold front in northern mountains Sunday afternoon, reaching southern mountains Sunday night. Monday will be windy and colder with a better chance of snow showers in all mountains, but only a slight chance in the valleys, as a short wave trough moves through from nw to se.
Summary: Dry and warmer weather is expected through Monday.
1003 PM EST Sat Nov 23 2019 Cold front moving through north Florida this evening, will move into central Florida overnight with rain chances increasing as bands of showers ahead of this boundary work their way into the area.
High pressure will remain across the region through Sunday. A relatively strong cold front will cross the state Monday bringing the potential for winter weather to most locations.
1132 PM CST Sat Nov 23 2019 Updated for 06Z aviation discussion 06Z TAF discussion: The lower cloud deck which has affected the area for much of today has eroded away from all TAF sites by now with the exception of MEI, of which will clear by 09Z. /DL/ Prior discussion below: Tonight through Tomorrow: A low pressure system rotating over the Mid-South this afternoon is helping to reinforce low-level cloudiness across especially the northern half of our forecast area. As the low departs to the east tonight and drier air continues to filter into the region, the clouds should continue to thin and shift to our east for tomorrow.
Expect dry and warmer weather on Sunday. A cold front will cross the region on Monday bringing breezy winds and a chance of snow showers to eastern Arizona Monday night.
1023 PM MST Sat Nov 23 2019 20z surface analysis had lee trough in place from southern AB into eastern WY. Water vapour had northwest flow over the northern plains as ridge shrinks off the west coast. Tonight, low level downslope flow continues which will keep temperatures on the north through east foothills of the Black Hills a bit warmer than guidance overnight.
After a couple of dry days, a strong low pressure system will move through the central U.
1037 PM EST Sat Nov 23 2019 Water vapor imagery highlights a mid-upper level trough sliding east through the southern Appalachians. A cold front reaches southwest into the Gulf of Mexico, and will make slow progress towards the Keys tonight and Sunday. The temperature forecast calls for lows in the lower 70s, although portions of northern Big Pine likely will fall into the upper 60s within a brief stint of radiational cooling. A cold front will slide slowly down the Florida peninsula tonight and Sunday, then limp through the coastal waters of the Florida Keys Sunday night.
1253 AM EST Sun Nov 24 2019 Crossing low pressure will change diminishing rain to light snow as the night progresses. Freezing rain potential will be light and limited to elevated areas as ground temperature remains too warm.
1225 AM EST Sun Nov 24 2019 [Through 06Z Monday] The cold front and associated rain has exited the region. Upper level trough across the midwest will track eastward across the Ohio Valley tonight. As this occurs, a cold front will continue to push through the southeast. Lows will be much cooler tonight for most of the area with lows in the 40s, except for the lower 50s across Dixie County. In the upper levels, a trough will be over the region tomorrow followed by weak troughing or nearly zonal flow. At the surface, high pressure will be over the region with northerly flow in the lower levels. Monday night southerly flow will return in the lower levels.
/issued 918 PM CST Sat Nov 23 2019/ Clear skies, light winds and seasonal temperatures will prevail overnight into Sunday as high pressure parks nearly overhead. /issued 405 PM CST Sat Nov 23 2019/ A rather cool day on tap as temperatures are ranging from the low to mid 60s under clear skies and northwest winds. Winds have been a bit stronger in the coastal waters but winds will continue to settle as high pressure builds in. We remain in a progressive pattern in the atmosphere as the upper lvl low kicks off into the mid-Atlantic states by tomorrow with weak ridging aloft and high pressure at surface across the gulf states.
249 AM CST Sun Nov 24 2019 A strong upper level trough will amplify over the Rockies by Monday night. A weak cold front will pass through western Kansas Sunday night and then stall over the southern plains on Monday. Slightly cooler temperatures can be expected in the wake of the front Monday, with highs in the 50s to lower 60s.
921 PM CST Sat Nov 23 2019 Clouds are clearing quickly this evening behind the departing cold front. Thus, only expect low temperatures to drop into the lower to mid 30s across the area. An upper level low continues to move slowly across the region. As the upper low moves east of the region tonight, skies will start to clear. Temperatures will be on the chilly side tonight with lows Sunday morning in the low to mid 30s. High pressure will start to take control of the weather across the region on Sunday with dry conditions expected for Sunday and Monday. Even warmer weather is expected on Monday with highs in the low to mid 60s.
Clearing skies had already developed for Dover, Waverly, and Linden, and the clearing will spread from west to east across Middle Tn through the morning hours as high pressure takes control. The afternoon looks pretty good with sunshine, although temperatures will be slightly on the cool side- in the low to mid 50s. Monday looks quite nice with sunshine and highs mainly in the low 60s.
A little cooler back to the east with upper 40s from east central SD through southwestern MN and parts of northwestern IA. A more significant cold front will swing through the area on Monday, though it will still be another mild day with decent mixing and temperatures into the 40s to lower 50s.
Modest wswly winds will prevail over much of Lake MI through Monday as a couple low pressure areas track east along or just north of the Canadian border. Forecast confidence is high: Broad troughing will be in place for tonight through Sunday. Best chance for a quick sprinkle would be Sunday afternoon into evening if the low levels end up more saturated than expected.
918 PM CST Sat Nov 23 2019 Clear skies, light winds and seasonal temperatures will prevail overnight into Sunday as high pressure parks nearly overhead. /issued 405 PM CST Sat Nov 23 2019/ A rather cool day on tap as temperatures are ranging from the low to mid 60s under clear skies and northwest winds. Winds have been a bit stronger in the coastal waters but winds will continue to settle as high pressure builds in. We remain in a progressive pattern in the atmosphere as the upper lvl low kicks off into the mid-Atlantic states by tomorrow with weak ridging aloft and high pressure at surface across the gulf states.
However, temperatures will warm up quickly after sunrise until they hit the low to mid 70s for this afternoon. For tonight, expect warmer temperatures as lows will drop to into the low to mid 40s.
The upper level pattern is in transition with the H5 trough now shifted east of the area and replaced with a northwest flow component overhead. Into Monday night the upper pattern changes with a Pacific trough diving into the central Rockies and deepening as it does so with an upper closed low developing as as the Polar Front Jet and subtropical jet interact.
/issued 921 PM CST Sat Nov 23 2019/ Clouds are clearing quickly this evening behind the departing cold front. Thus, only expect low temperatures to drop into the lower to mid 30s across the area. An upper level low continues to move slowly across the region. As the upper low moves east of the region tonight, skies will start to clear. Temperatures will be on the chilly side tonight with lows Sunday morning in the low to mid 30s. High pressure will start to take control of the weather across the region on Sunday with dry conditions expected for Sunday and Monday. Even warmer weather is expected on Monday with highs in the low to mid 60s.
Light winds are expected tonight with a weak high pressure ridge over the region while thin cirrus clouds move across. Winds will become light southerly on Sunday as high pressure shifts to the east.
716 AM EST Sun Nov 24 2019 Scattered snow showers will gradually cease as crossing low pressure exits this morning.
A few flurries are expected over the northern mountains approaching sunset today and as cooler air settles in after midnight tonight, snowfall will increase along and just south of the northern CO border. The best dynamics don't arrive until later Monday afternoon with the cold front.
This will allow southerly surface winds to begin to bring some moisture and warmer temperatures to the area.
521 AM CST Sun Nov 24 2019 WV imagery shows NW flow aloft over West Texas and Southeast New Mexico, and a closed upper low sitting well off the west coast. Around 00Z Mon, and trough will dive out of the PacNW, and dig to the Four Corners by 12Z Tue. Winds will begin increasing thru the Guadalupe/Delaware Mtns beginning Mon afternoon, w/the NAM developing a corresponding strong mtn wave signature that will peak midday Tue as the trough passes north. In the wake of the trough, a Pac front will cool things down ~5F Tue afternoon. Meanwhile, a large, secondary trough is forecast to develop over the PacNW, as the trough off the Baja coast opens and ejects NE thru Mexico into West Texas/SE NM. Models hint at a front/cooler temps over the weekend, but are pretty divergent on solutions attm.
Expect dry and warmer weather today. A cold front will cross the region on Monday bringing gusty winds and a chance of snow showers to eastern Arizona Monday night.
A strong upper level trough will amplify over the Rockies by Monday night. A weak cold front will pass through western Kansas Sunday night and then stall over the southern plains on Monday. Slightly cooler temperatures can be expected in the wake of the front Monday, with highs in the 50s to lower 60s.
513 AM CST Sun Nov 24 2019 Considering model performance from yesterday, I increased high temperatures today to near 60 to the lower 60s, and will be the warmest day of the entire forecast. A cold front should arrive late enough tonight to keep lows from going much below lower 30s. Cold air advection will keep Monday highs near 50 to the lower 50s, but still not bad for this time of year.
patchy freezing fog. Given how spotty this dense and freezing fog is. high pressure to the SW will move east by this afternoon. These SRLY winds combined with a sunny sky will allow for temps to get warmer than seen on Sat.
High pressure remains in control through the TAF period, shifting winds eventually out of the southeast. /issued 349 AM CST Sun Nov 24 2019/ SHORT TERM (Now through Monday): A very comfortable Sunday and Monday are on tap for Deep South Texas and the Rio Grande Valley as high pressure builds and drifts east across the Gulf of Mexico. Lows tonight still dip into the low 50s north, and upper 50s across the RGV due to little cloud cover. With increasing southerly flow as the ridge of high pressure builds over the Gulf of Mexico, expect high temperatures on Monday to reach into the mid and upper 80s.
Otherwise, today features another warm and relatively dry day, with highs even warmer than yesterday, from the upper 40s to lower 60s. Monday will start off windy in the wake of the surface cold front.
This will drive a subtle Pacific front through the area this afternoon though the characteristic cold front has a hard time making it into our CWFA on Monday. Readings in the low 70s are expected south of the boundary with values in the 60s north. A cold front will then surge southward during the evening.
Westerly surface winds, providing downslope off the High Plains, combined with sunny skies will allow temperatures to warm to near 60 degrees this afternoon. Temperatures will cool into the low to mid 30s tonight. Tomorrow, an area of low pressure will scoot along the US/Canadian border and allow a cold front to move through KS.
940 AM EST Sun Nov 24 2019 A cold front will sweep offshore this morning. High pressure will follow the front bringing breezy and mild conditions today. Weak high pressure will then be over the region through midweek. Clear and calm conditions are expected under high pressure tonight. Lows in the lower to mid 30s.
SHORT TERM (Now through Monday): A very comfortable Sunday and Monday are on tap for Deep South Texas and the Rio Grande Valley as high pressure builds and drifts east across the Gulf of Mexico. Lows tonight still dip into the low 50s north, and upper 50s across the RGV due to little cloud cover. With increasing southerly flow as the ridge of high pressure builds over the Gulf of Mexico, expect high temperatures on Monday to reach into the mid and upper 80s.
Otherwise, ceilings are forecast to be primarily VFR this morning, but there could still be some sporadic MVFR and possibly some IFR ceilings mainly along and behind the cold front (near MLB as of 14Z).
Temperatures are mainly in the low to mid 30s, with a couple of locations right at the freezing mark. Latest surface analysis places a broad area of high pressure center over the Lower Mississippi Valley with a strong low pressure system along the New England Coast.
The temperature forecast today uses a blend of the warmer guidance plus bias correction for highs in the 60s. This is warmer than the RAP and HRRR models by a couple of degrees. A weak Pacific cold front, currently moving through Washington State, should move into nrn Nebraska late tonight.
348 AM CST Sun Nov 24 2019 Clear skies and light/calm winds have led to some freezing fog development across parts of the forecast area this morning. Will go with a patchy freezing fog mention this morning for the AR river valley locations. After a cool start, warmer temperatures are expected for today, with mild temperatures continuing for the next several days.
High pressure over central Texas will shift to the Mississippi Valley through early Monday.
640 AM EST Sun Nov 24 2019 A short wave trough was moving across the Appalachians toward the mid Atlantic Coast this morning. In the wake of this system drier and cooler air was spreading across north and central GA.
Latest observation suite and RAP model data all show high pressure on the western Gulf coast and a front across our far southern and southeastern counties at daybreak. The high pressure works east during today with the front and associated showers/clouds exiting mid to late morning. Some cooler air filters in with northern and central counties below normal with the southern ones near normal. A front exiting the waters as high pressure builds in from the west today will result in northwesterly winds. As the high tracks east during the next few days the winds veer and diminish.
515 AM CST Sun Nov 24 2019 Some patchy fog and freezing fog will remains possible this morning. patchy freezing fog. Given how spotty this dense and freezing fog is. high pressure to the SW will move east by this afternoon. These SRLY winds combined with a sunny sky will allow for temps to get warmer than seen on Sat.
A little concerned that the cloud deck will be really persistent, as we've seen in the past with the inversion trapping the low level moisture--will need to monitored by next shift.
325 AM CST Sun Nov 24 2019 The temperature forecast today uses a blend of the warmer guidance plus bias correction for highs in the 60s. This is warmer than the RAP and HRRR models by a couple of degrees. A weak Pacific cold front, currently moving through Washington State, should move into nrn Nebraska late tonight.
407 AM EST Sun Nov 24 2019 A cold front will sweep offshore this morning. High pressure will follow the front bringing breezy and mild conditions today. Weak high pressure will then be over the region through midweek. The last line of showers with this current mid-level trough and surface cold front will be exiting the NE Piedmont and N Coastal Plain by 400 am. Clear and calm conditions are expected under high pressure tonight. Lows in the lower to mid 30s.
Upper level disturbance producing mid/high level clouds but the low levels are quite dry thanks to a dry sw flow. Once again the low levels are quite dry due to a southwest flow. Lows should bottom out in the lower to mid 30s with a southwest wind.
513 AM EST Sun Nov 24 2019 Scattered snow showers will gradually cease as crossing low pressure exits this morning.