Aikyam-Lab/Synoptic-Bench huggingface dataset:
/Issued 235 PM EST Fri Mar 6 2020/ Strong high pressure has built into the mid sections of the CONUS allowing for drying conditions all the way into the deep south including the local area. The high will settle over the Tennessee Valley by tonight allowing for lowering wind speeds but still less than optimal radiational cooling conditions. Still, with the clear skies, have gone more with the cooler MAV/MET blend and lows below freezing for most all areas of North and Central GA. High will translate east on Saturday and upper level trough will be replaced by and approaching ridge.
1015 PM CST Fri Mar 6 2020 Winds still gusting to over 30mph in a few spots in the northern valley which is helping keep temps up in the low 30s for most even at this hour of the evening. This will affect the high temperature forecast as well, with warmer highs to the south and east. The previously mentioned boundary will slowly sag into the highway 200 corridor Saturday night.
Warmer temperatures are on the way, along with a dry weekend. After a cold start to the morning, highs will warm through the day back to above normal under high pressure and sunny skies.
Deep-layer north-northwest flow will persist across the TN Valley overnight, in the wake of a longwave trough ejecting northeastward off the mid-Atlantic coast. Winds will continue to slowly subside and veer to the north- northeast overnight, but should remain strong enough to prevent the formation of both frost and freezing fog for most of the region. However, in wind-protected valleys, both frost and patchy freezing fog will be possible between 08-14Z. High pressure will build in through the weekend and provide pleasant conditions.
152 AM EST Sat Mar 7 2020 High pressure will build into the state over the weekend.
Reinforcing cold front is crossing east central FL this evening bringing dry/cold advection. Min temps will range from the low to mid 40s across north (Volusia) and interior counties to the mid 50s along the immediate coast south of the Cape. Temperatures will be nearly 10 degrees cooler than today and well below average. Northerly pressure gradient will tighten between intense low pressure developing off the mid Atlc coast and high pressure building SE from the MS Valley.
/Issued 638 PM EST Fri Mar 6 2020/ Strong high pressure has built into the mid sections of the CONUS allowing for drying conditions all the way into the deep south including the local area. The high will settle over the Tennessee Valley by tonight allowing for lowering wind speeds but still less than optimal radiational cooling conditions. Still, with the clear skies, have gone more with the cooler MAV/MET blend and lows below freezing for most all areas of North and Central GA. High will translate east on Saturday and upper level trough will be replaced by and approaching ridge.
956 PM CST Fri Mar 6 2020 Deep-layer north-northwest flow will persist across the TN Valley overnight, in the wake of a longwave trough ejecting northeastward off the mid-Atlantic coast. Winds will continue to slowly subside and veer to the north- northeast overnight, but should remain strong enough to prevent the formation of both frost and freezing fog for most of the region. However, in wind-protected valleys, both frost and patchy freezing fog will be possible between 08-14Z. High pressure will build in through the weekend and provide pleasant conditions.
Winds will remain light in the vicinity of this high, and temperatures will jump up into the upper 40s and low 50s in the afternoon under sunny skies. Skies will remain clear overnight as high pressure settles along the spine of the Appalachians.
1102 PM MST Fri Mar 6 2020 Upper ridge will slowly translate eastward over the weekend.
1032 PM MST Fri Mar 6 2020 Dry and breezy conditions are again in store for Saturday as a ridge of high pressure shifts east aloft.
5 inches of snow above 3000 ft tonight where squalls persist, with locally higher amounts possible in the highest peaks such as Mt. Chattanooga Airport, TN 54 33 63 40 65 / 0 0 0 0 0 Knoxville McGhee Tyson Airport, TN 51 31 63 39 66 / 0 0 0 0 0 Oak Ridge, TN 52 31 62 39 65 / 0 0 0 0 0 Tri Cities Airport, TN 47 28 61 34 65 / 10 0 0 0 0 TN.
Under the northerly flow, this will primarliy affect PTK into DET perhaps as late as 09Z before the low level flow undergoes some subtle backing. Dry air associated with this high will keep conditions primarily cloud free. Thermal trough will also be overhead sending lows down to around the mid teens in outlying areas to low 20s in the more urban areas. Plenty of sunshine with building mid level heights and warmer return flow around departing high pressure will rebound highs nicely to the mid 40s Saturday.
The western extent of the upper level trough and cyclonic flow aloft are moving across the Lower Ohio Valley today.
Will update later on this evening to remove the higher wind gusts from our eastern zones.
216 AM CST Sat Mar 7 2020 Fair weather is expected across central Illinois today under the influence of high pressure over the region.
915 PM CST Fri Mar 6 2020 High clouds continue to stream in as ridging builds over the region, with surface winds dying down, especially in western North Dakota. The impressive upper level ridge remains over the region for Saturday along with the warm air mass.
1045 PM EST Fri Mar 6 2020 Currently - A robust cold front swept southeastward across the Florida Keys early today. Cooler and drier air is pouring through the area and temperatures are now near 70 with dew points in the mid 50s. Short Term Update - Winds will continue to strengthen overnight as a strong high pressure system builds southwards into the southeastern United States. Temperatures will fall further into the lower 60s due to this strong cool flow. A strong cold front has blasted through Keys waters earlier today.
Temperatures tonight will be a bit chilly in the low to mid 30s. A cool upper level trough will move through region over the weekend.
253 AM CST Sat Mar 7 2020 500 mb ridge over the area today. NBM and SREF ensembles indicate risk of freezing drizzle in E ND/NW MN, but feel highest chances in NE ND and far NW MN where moisture a bit deeper.
1148 PM EST Fri Mar 6 2020 The AVIATION section has been updated High pressure will build into the area overnight, clearing skies and allowing temperatures to fall into the 20s. Upper level ridging will follow through the weekend, which will steadily warm temperatures and lead to dry weather. Skies will begin to clear out overnight as the high begins to work into the area. Expect temps to get down into the low to mid 20s across the area. The short term will be dry under the influence of surface and upper level high pressure through the weekend.
(Today and tonight) Upper ridge will continue to dirty up with Cirrus through the morning, then sunny skies during the afternoon. With only a gradual increase of moisture advection within the southerly flow, the fire danger will be highest across northern and western Oklahoma where the afternoon minimum RH's will fall into the lower 20s.
258 AM CST Sat Mar 7 2020 Above normal temperatures ahead of the next cold front are expected today in the short term forecast period. Today, the broad mid-level ridge axis centered over the Northern Plains will drift eastward while the seasonably warm low level air mass centers over the region. Warmer 850mb temperatures continue to advect overhead (reaching 10-12 C across southern North Dakota), though with less mixing amid calmer surface winds. High temperatures today should be relatively similar to yesterday if not warmer, especially in higher elevation areas of the southwest where temperatures may approach 70. The far northern counties and the James River Valley should stay cooler with highs reaching the 40s.
/issued 1015 PM CST Fri Mar 6 2020/ High pressure continues to build into the Mid-South this evening. Light north winds and clear skies overnight will allow temperatures to dip into the low 30s Saturday morning across the Mid-South. Sunny skies and warming temperatures will be the main story across the Mid- South through the weekend due to the presence of high pressure.
1253 AM EST Sat Mar 7 2020 Snow flurries will come to end overnight as an upper level low moves east of the Ohio Valley. High pressure will then dominate the weather this weekend, bringing moderating temperatures and sunshine.
Mostly cloudy skies cover the area this evening as mid and high-level moisture stream northeast ahead of an approaching trough. Then, shower/virga coverage increases from W to E after Sat/17Z associated with cold front.
/Tonight/ The evening sfc analysis indicates Canadian sfc ridging extending from the Great Lakes Region/Midwest SW into ECntrl TX. Given the ridging in place, dewpoints have not quite recovered from the extensive mixing observed earlier this afternoon, although temps have responded given the good radiational cooling in place. Temps have been a bit slower to respond in the more urban centers this evening, and despite the very dry air mass in place, should trend only slightly cooler in most areas than what was observed this morning. Sfc ridging over Ern OK/N TX into AR this evening will build E across the region overnight, with light NNE winds to start the 00Z TAF period becoming Lt/Vrb overnight.
1004 PM EST Fri Mar 6 2020 Snow flurries will come to end overnight as an upper level low moves east of the Ohio Valley. High pressure will then dominate the weather this weekend, bringing moderating temperatures and sunshine.
238 AM CST Sat Mar 7 2020 Most locations will start today on the frigid side with overnight lows below freezing. Another cool morning tomorrow with locations across the plateau a couple of degrees below freezing and those near the river a couple of degrees above. Afternoon highs tomorrow will be warmer.
1048 PM EST Fri Mar 6 2020 A deep upper level trough will push east of Pennsylvania tonight and high pressure will build into the state over the weekend.
138 AM EST Sat Mar 7 2020 High pressure will build into the state over the weekend.
Currently have the trough continuing to travel off to the east and away from the area. Radar reflectivities have been trending downward through the overnight hours, but the low-level Water Vapor/IR satellite channel is still indicating some lingering low-level moisture that may continue to be squeezed out with this northerly flow. So we could see a few hours more of very light snowfall in the higher elevations Northeast Tennessee and Southwest Virginia before sunrise, but the vast majority of accumulating snow has already occurred. For the rest of today expect to see sunny skies, and a warming trend as ridging begins to build in for the rest of the weekend. Temperatures should run several degrees warmer than what we saw yesterday, and with the sunny skies and much calmer winds, it should make for a pleasant Saturday.
258 AM CST Sat Mar 7 2020 The upper ridge axis that was overhead will shift east today. A weak short wave behind this ridge axis will take its place this afternoon and evening.
1015 PM CST Fri Mar 6 2020 High pressure continues to build into the Mid-South this evening. Light north winds and clear skies overnight will allow temperatures to dip into the low 30s Saturday morning across the Mid-South. Sunny skies and warming temperatures will be the main story across the Mid- South through the weekend due to the presence of high pressure.
High clouds continue to stream in as ridging builds over the region, with surface winds dying down, especially in western North Dakota. The impressive upper level ridge remains over the region for Saturday along with the warm air mass.
High clouds will keep temperatures a few degrees cooler than otherwise, but still expect highs in the mid to upper 60s in most areas.
GOES-16 Satellite/00Z upper air analysis depicts an upper level trough over the East Coast of the United States while an upper level ridge axis is present across the West. Meanwhile, a ridge of high pressure extends this morning from the Great Lakes back through the Lower Mississippi Valley. As of 3 AM CST, temperatures across the Mid-South are predominantly in the lower 30s. High pressure will remain in place on Sunday with slightly warmer temperatures in the lower to middle 60s expected for the first day of Daylight Savings Time.
Warmer temperatures are on the way, along with a dry weekend. After a cold start to the morning, highs will warm through the day back to above normal under high pressure and sunny skies. High pressure will keep mostly clear skies over the area tonight, with clouds increasing Sunday and Sunday night.
Temperatures in the drier, continental air mass have fallen into the low/mid 30s at most locations, with the exception of a 40 degree observation at Muscle Shoals in the last hour. N-NE winds continue across the region with the center of high pressure to our north over the OH Valley. Some gustiness has even occurred overnight so far, but winds are expected to decrease gradually as the high shifts eastward and the pressure gradient decreases today. Still, some light gustiness around 10-15 mph may persist this morning, especially along the TN River lakes in NE Alabama and in the higher terrain. just a little warmer than yesterday. We elected to forecast high temperatures generally above guidance consensus today since yesterday's highs ran warmer, and mixing height temps and thicknesses are greater than yesterday.
A weak disturbance will bring a chance of light showers and cooler temperatures Sunday.
Guidance continues to be consistent with highs in the lower to mid-70s for Sunday ahead of an approaching cold front.
The ridge and high will move eastward bringing return flow and a warmup of temperatures.
/Today through Sunday/ High pressure centered to our NE will remain the dominant weather feature in the short term. Looking aloft, an upper level ridge will also shift across the region today and aid in a nice warm-up following rather chilly morning lows in the 30s and lower 40s. Another pleasant evening will follow with overnight lows dropping off into the lower to mid 40s by early Sunday morning. /Sunday Night through Saturday Night/ By Sunday Night, upper ridging will shift east of our region as southwest flow aloft begins to dominate the western half of the CONUS into the Southern Plains.
534 AM CST Sat Mar 7 2020 The 500mb ridge across the Plains States, and encompass much of the western and central U. The stronger pressure gradient remains over eastern SD and MN, in between the nearing low and high pressure across the Great Lakes region. Have less confidence on the high temperatures today for the northeastern half of the cwa, where some snow lingers.
532 AM EST Sat Mar 7 2020 High pressure will build into the state over the weekend.
259 AM MST Sat Mar 7 2020 Another unseasonably mild day today, before cooler air invades for Sunday. Upper ridging of yesterday has slid east and opened up southwest flow. A cold front will push in tonight. Have adjusted highs up for Sunday, but will still be 20-25 degrees cooler compared to today.
526 AM CST Sat Mar 7 2020 (Today and tonight) Upper ridge will continue to dirty up with Cirrus through the morning, then sunny skies during the afternoon. With only a gradual increase of moisture advection within the southerly flow, the fire danger will be highest across northern and western Oklahoma where the afternoon minimum RH's will fall into the lower 20s.
413 AM MST Sat Mar 7 2020 A Canadian cold front will continue to move slowly southward through the region today and tonight.
Winds will remain light in the vicinity of this high, and temperatures will jump up into the upper 40s and low 50s in the afternoon under sunny skies. Skies will remain clear overnight as high pressure settles along the spine of the Appalachians. High pressure centered over the Virginias Sunday will slip off the Carolina coast Sunday night, giving us some beautiful spring weather. Under partly cloudy skies the mercury will lift into the low 60s Sunday afternoon.
Clear and cool across the area this morning with high pressure overhead. Aloft a ridge is over the central sections of the country as well. High pressure will also slip farther east of the region which will start the return flow that will increase moisture tonight into Sunday.
407 AM MST Sat Mar 7 2020 Water vapor shows large upper ridge centered over the plains with upper trof just offshore the Pac NW. Strong thermal ridge over the region combined with deeply mixed southwest flow by afternoon will lead to record highs in many areas today. Cold Front moves through northeast WY and far western SD in the morning, and south central SD in the afternoon.
/issued 258 AM CST Sat Mar 7 2020/ The upper ridge axis that was overhead will shift east today. A weak short wave behind this ridge axis will take its place this afternoon and evening.
206 AM MST Sat Mar 7 2020 Water vapor shows large upper ridge centered over the plains with upper trof just offshore the Pac NW. Strong thermal ridge over the region combined with deeply mixed southwest flow by afternoon will lead to record highs in many areas today. Cold Front moves through northeast WY and far western SD in the morning, and south central SD in the afternoon.
IR and Watervapor Satellite loops show broad anticyclonic flow aloft across the Rocky Mountain region as a high amplitude ridge axis slowly moves east of the region early this morning. Pacific energy and cold front still expected to push into the Rocky Mountain region on Sunday with cooler temperatures and some shower activity mainly late in the day.
231 AM MST Sat Mar 7 2020 Upper ridge will move to the east today. Low pressure system will develop over central and eastern Montana. Another warm day for some Saturday before a cold front drops in, bringing a cooler day Sunday. Precipitation may occur in the cooler air Saturday Night near the Canadian border. A cold front dropping south through Alberta and Saskatchewan this morning will slow today as it becomes parallel to the SW flow aloft. Any precipitation that occurs tonight will start as rain and could become sleet or freezing rain before temperatures become cold enough for all snow.
415 AM EST Sat Mar 7 2020 A well advertised upper level ridge is now engulfing the majority of CONUS territory while facilitating tropospheric anticyclonic flow across the Great Lakes. Thermal modification will begin in the low-levels this afternoon as H7 temps jump to -5C by 21Z. Favorable sky conditions should help insolation achieve highs in the low-mid 40s today.
Cool upper level trough moving through Western Washington this weekend.
Otherwise, expect partly to mostly cloudy skies and slightly cooler temperatures, with highs in the low to mid 60s. Continued cloud cover tonight and warmer southerly flow will bring warmer lows in the upper 40s.
High pressure should be offshore by Sunday night. As the high center moves further east into the Atlantic during the early part of the week, the surface flow will shift to a more southerly direction off of the Gulf of Mexico and low level moisture will increase across the CWA.
625 AM CST Sat Mar 7 2020 A very warm and spring-like weekend lies ahead as strong upper level ridging and anomalously high temperatures aloft build over the Upper Midwest. Other than the deeper snowpack over central Minnesota, expect most of the remaining snow on the ground to be gone by Sunday morning given the warm temperatures Sunday coupled with dewpoints rising well above freezing. Continued warm advection Saturday night will keep lows tonight in the upper 30s to mid 40s across much of the area, setting the stage for an even warmer day Sunday. If the maximum mixing potential is realized across southwest Minnesota, we could even see a few locations approach 70 degrees given some additional warming from downsloping winds off in the lee of the Buffalo Ridge.
212 AM MST Sat Mar 7 2020 Upper ridge will slowly translate eastward over the weekend. Surface winds will be strongest ahead of the trough, so parameters not quite matching up to meet criteria. 00 inch north of Interstate 70, which is the higher end of probabilities.
High pressure aloft will result in dry conditions and warmer temperatures today.
646 AM EST Sat Mar 7 2020 High pressure will build into the state over the weekend.
500 AM CST Sat Mar 7 2020 Fair weather is expected across central Illinois today under the influence of high pressure over the region. Breezy conditions return on Sunday as the high shifts to our east, but temperatures will be even warmer with highs in the low to mid 60s.
Expect VFR conditions to prevail for the next 24 hours as high pressure remains in control. /issued 253 AM CST Sat Mar 7 2020/ SHORT TERM (Today through Sunday): Quiet weather is expected to prevail through the period as high pressure remains in control. Overnight low temperatures tonight will be mainly in the 50s with the lower 60s along the coast.
Cooler and drier air is in place across the area this morning, with an interesting pocket of very low dew points around TPA/MCF and even extending down across the office. Winds will be turning from the north to the NE this afternoon as high pressure settles east into the SE US. The high center continue to shift SE tonight and Sunday turning winds more easterly and allowing for some moderation of temps and moisture. Highs Sunday in the lower to mid 70s.
Most locations will start today on the frigid side with overnight lows below freezing. Another cool morning tomorrow with locations across the plateau a couple of degrees below freezing and those near the river a couple of degrees above. Afternoon highs tomorrow will be warmer.
Highs today look to reach to around 70 degrees with lows tonight dipping into the low to mid 40s.
The relative humidity will generally be in the 20s, with the lowest readings expected over the Purchase Area. The pressure gradient will tighten up more tonight so it will be considerably milder with the entire area remaining above freezing. As an upper-level ridge builds to our east Sunday, south winds will increase into the 10-20 mph range with gusts 15-30 mph.
253 AM PST Sat Mar 7 2020 A cold front will cool temperatures to below seasonal levels and bring a chance of precipitation to the area today, especially over the mountains and North of Fresno county.
301 AM CST Sat Mar 7 2020 The 500mb ridge across the Plains States, and encompass much of the western and central U. The stronger pressure gradient remains over eastern SD and MN, in between the nearing low and high pressure across the Great Lakes region. Have less confidence on the high temperatures today for the northeastern half of the cwa, where some snow lingers.
A low amplitude ridge axis over Texas is shifting east of the forecast area this morning. Warmer min temps tonight from the south wind return should translate to afternoon highs Sunday to be a few degrees warmer over those of today.
523 AM CST Sat Mar 7 2020 The 500mb ridge across the Plains States, and encompass much of the western and central U. The stronger pressure gradient remains over eastern SD and MN, in between the nearing low and high pressure across the Great Lakes region. Have less confidence on the high temperatures today for the northeastern half of the cwa, where some snow lingers.
Will start off Sunday night with southwest flow aloft and an abundance of upper level moisture with southeasterly flow at the surface and ridging influence that should limit rain chances and keep the warmth going.
611 AM EST Sat Mar 7 2020 Surface ridging will expand aggressively into Southeast Michigan today in response to very strong differential geopotential height rises. * None A well advertised upper level ridge is now engulfing the majority of CONUS territory while facilitating tropospheric anticyclonic flow across the Great Lakes. Thermal modification will begin in the low-levels this afternoon as H7 temps jump to -5C by 21Z. Favorable sky conditions should help insolation achieve highs in the low-mid 40s today.