Aikyam-Lab/Synoptic-Bench huggingface dataset:
A weak cold front will push through the area overnight, which will bring in some drier conditions and improve ceilings further. Convection is expected to increase throughout the day today as an upper level trough moves from the Four Corners region into the Southern Plains, sending a weak cold front through the area overnight into early Tuesday morning. A warm front pushing inland from the coastal waters today will also lead to a steady increase in moisture and instability across the region, further enhancing the convective potential. Highs today will range from the low to mid 80s, with lows mainly in the 60s. Clearing skies and warm temperatures can be expected on Tuesday with highs approaching the lower 90s across the Rio Grande Plains.
Overnight recoveries will still remain poor, but limited winds tomorrow with a passing cold front will mitigate any potential widespread fire weather concerns. WV imagery shows the upper trough exiting the region, followed by a Pac front and a weaker cold front overnight. The upper trough passing just north of the region today giving us our fire weather concerns will move east of the area overnight.
Satellite shows patchy clouds over the mountains south of the Bay Area with increasing cloud cover over the North Bay as a weak cold front slowly makes its way into the Pacific Northwest. Cloudy conditions will keep highs in the North Bay in the mid 50s to low 60s with inland and valley locations to the south a few degrees warmer. Seasonably cool and dry conditions are forecast for the rest of the work week as high pressure builds over the eastern Pacific. Not much variation in temperatures though this week as a long wave trough is forecast to remain over much of the western United States. Afternoon high temperatures will remain in the upper 50s along the immediate coast to the 60s for most inland locations with isolated warmer spots possibly hitting 70 degrees tomorrow.
1034 PM EDT Mon Mar 30 2020 Weak inland low pressure will dissipate tonight. Meanwhile low pressure well east of Nantucket will strengthen through Tuesday while moving very slowly east.
650 PM CDT Mon Mar 30 2020 A cool anticyclone continues to slide across the Upper Midwest in the wake of the weekend's storm. Guidance in consensus showing the cyclone pushing east-southeast through Arkansas and into the Deep South into tomorrow morning. With clouds around for at least part of the day and winds generally remaining out of the north, temps tomorrow will be noticeably cooler than the last few days. Overnight temps are likely to fall well into the 30s, with many locations approaching freezing. BSH As we move into the second half of the week, we'll be beneath an upper ridge sandwiched between deep lows over SW Canada and off the coast of the eastern CONUS.
1046 PM EDT Mon Mar 30 2020 The strong upper high over the Keys has weakened. Not surprisingly, the 00z KEY sounding shows that the low-level subsidence inversion has weakened. When also considering the near-dissipation of the subsidence inversion on Tuesday and dewpoints in the lower 70s, would expect to fire off a few mid-day showers over the larger islands of the Lower Keys, such as Big Pine, and then move to the east-northeast.
A cold front will move through West Central Texas, with winds becoming north at all the terminals by 15Z Tuesday. /issued 241 PM CDT Mon Mar 30 2020/ (Tonight and Tuesday) An upper trough over the southern Rockies is moving east into the central and southern High Plains. A Pacific front is moving east across the Permian Basin, and a warm front was in our far northern counties and moving north. Expect an increase in shower and thunderstorm development through late this afternoon and early evening, as the upper trough continues to move east and the Pacific front moves in from the west. Temperatures will be cooler overnight with a drier airmass. Tuesday morning lows are expected to be mostly in the lower 50s, with a few upper 40s possible.
739 PM EDT Mon Mar 30 2020 Weak inland low pressure will dissipate tonight. Meanwhile low pressure well east of Nantucket will strengthen through Tuesday while moving very slowly east.
953 PM CDT Mon Mar 30 2020 High pressure remains in charge across the region tonight through the day Tuesday. Mostly clear skies will help temperatures fall into the lower to middle 20s over much of the area tonight. As the high pressure ridge axis passes through the region this evening, easterly winds should intensify, leading to a period of on-shore flow. This will result in cooler temperatures by Lake Superior into Tuesday. Tuesday will remain dry, with some cooler temperatures by the lake.
555 PM MDT Mon Mar 30 2020 The open trough aloft moving east of the Rockies across the southern and Central High Plains region this afternoon will continue east over the southern plains states tonight.
631 PM CDT Mon Mar 30 2020 The upper level ridge which allowed for today's clear skies and warm temperatures will move eastward this evening as a vorticity maximum moves through the northern stream jet.
Further west, cloud cover has helped temperatures hold on in the upper 40s and even low 50s, but as the cold front will eventually arrive. Lows are still on track to bottom out in the low 30s area-wide. Cloud cover in place across the eastern half of the area may briefly decrease this evening with the loss of heating, but continued cyclonic flow aloft and an approaching backdoor cold front will ultimately act to reinforce the stratus for tonight and much of tomorrow.
310 PM PDT Mon Mar 30 2020 A broad area of low pressure over the northwest US will keep brisk and chilly conditions well north of I-80 into early April, with periods of light rain or snow through Tuesday night.
710 PM EDT Mon Mar 30 2020 An upper trough will bring cooler conditions to the region for much of the week.
602 PM CDT Mon Mar 30 2020 Clouds will continue to lower and thicken tonight ahead of a low pressure system over the Plains. A rather compact 500 mb low will move east, almost directly over the lower Ohio Valley on Tuesday. Tuesday night will be clearing and cold as high pressure builds eastward into our region.
555 PM MDT Mon Mar 30 2020 Aviation Section Updated A cold front will move eastward through the region tonight. Expect rain and snow to accompany the cold front.
We still expect a cold front to move through the area tonight, reaching Burns and McCall around 8 pm MDT (7 pm PDT), Ontario around 9 pm MDT, and Boise by 10 pm MDT. Snow levels near 4-6kft, dropping to 3-5kft MSL behind a cold front tonight.
Warmer Tuesday with continued dry conditions and warm temperatures through the rest of the week.
820 PM MDT Mon Mar 30 2020 A cold front will move eastward through the region tonight. Expect rain and snow to accompany the cold front.
The region will be situated between high pressure to the east and low pressure approaching from the west tonight. The low and associated frontal boundary will track across all but the far eastern part of the area Tuesday night. Lows on Tuesday night will range from the mid 30s northwest to the lower 40s east.
1032 PM EDT Mon Mar 30 2020 An upper trough will bring cooler and damp conditions to the region for much of the week.
516 PM MDT Mon Mar 30 2020 Current analysis shows strong mid-level warm advection over parts of western South Dakota to the east of the approaching upper trough. Temperatures will be cool enough on Tuesday night for a little snow accumulation over the higher elevations of the northern Black Hills.
726 PM EDT Mon Mar 30 2020 High pressure over the region will weaken overnight. A low pressure system will cross the area Tuesday and will bring widespread showers and a chance of thunderstorms.
Sea breeze collision occurring at this time from DED-MCO- Kissimmee but atmosphere too dry in the low levels for even much cloudiness to result. Low level W/SW winds will increase across the area ahead of a cold front moving into the panhandle by early evening. As a result, max temps will be noticeably hotter at the coast, reaching the lower 90s.
725 PM EDT Mon Mar 30 2020 An upper trough will bring cooler and damp conditions to the region for much of the week.
Upper trough across the southern Plains will move toward the Tennessee valley and southern Appalachians late tonight and Tuesday. Chattanooga Airport, TN 49 55 40 59 41 / 70 100 40 0 0 Knoxville McGhee Tyson Airport, TN 48 53 38 55 40 / 50 100 60 0 0 Oak Ridge, TN 46 53 39 56 40 / 50 100 60 0 0 Tri Cities Airport, TN 42 50 37 53 37 / 10 100 80 10 0.
1041 PM EDT Mon Mar 30 2020 An upper trough will bring cooler and damp conditions to the region for much of the week.
Temps will remain mild overnight with warm front to the east of the area. Current analysis shows strong mid-level warm advection over parts of western South Dakota to the east of the approaching upper trough. Temperatures will be cool enough on Tuesday night for a little snow accumulation over the higher elevations of the northern Black Hills.
Tuesday will be quite similar to today (Monday) as cool north/northeast flow continues on the back-end of a broad, upper- level low to the northeast and a southern stream low pressure system traversing the I-40 corridor.
626 PM CDT Mon Mar 30 2020 High pressure will dominate the Midwest over the next few days bringing dry conditions. Temperatures should be a little cooler Tuesday and then slowly warm through the rest of the week.
These warm and dry conditions, as well as the winds near Livingston, will soon retreat Tuesday morning as the upper low off the coast of the Pacific Northwest starts to move inland, bringing with it a cold front and surge of moisture. While the front will pass through mid Tuesday morning and shift winds to the northwest, the cold air won't fully move into the area until Tuesday night, so although temperatures will still fall, highs will range from the low 40s to low 50s from west to east, respectively.
Previous Discussion: Upper low over southwest Ontario will slowly fill and drift southeast over NY state to near NYC by 12Z Tuesday. Overnight, enough cold air aloft combined with nighttime boundary layer cooling will allow for some light mixed rain and snow over the highest elevations. A deepening low will track well south of the area in the Carolinas Tuesday night will extend an inverted trough northward into western PA.
The eastward progression of an upper level trough across the Southern Plains has resulted in rain showers this evening across the Mid-South. Surface analysis this afternoon places a warm front along the Northern Gulf of Mexico. Short term models including Convective Allowing Model Solutions (CAMs) indicate rain showers should continue tonight into Tuesday morning in association with an area of low pressure moving across Central Mississippi. CJC 00Z TAFs An open upper level trof will lift from the southern plains to the Ozark Plateau through 12Z. A complex set-up for tonight, with warm advection (lift) ramping up and enhancing the rainfall from the high-based (above FL060) clouds after 06Z.
727 PM CDT Mon Mar 30 2020 (This evening through Tuesday) Strong mid-level trough, currently exiting the southern Rockies, will keep widespread rain going well into tonight. Rain expected to end from west to east this evening, although after larger rain shield exits overnight, areas of drizzle and perhaps light showers will be possible tomorrow morning as lower level moisture gets trapped beneath subsidence inversion in wake of trough.
944 PM EDT Mon Mar 30 2020 A weak area of low pressure will move across the southern states on Tuesday, perhaps bringing some light rain to northern Kentucky and far southern Ohio. Now have them ranging from the mid 30s in the northwest to the lower 40s in the far south.
739 PM CDT Mon Mar 30 2020 High pressure will dominate the Midwest over the next few days bringing dry conditions. Temperatures should be a little cooler Tuesday and then slowly warm through the rest of the week.
We still expect a cold front to move through the area tonight, reaching Burns and McCall around 8 pm MDT (7 pm PDT), Ontario around 9 pm MDT, and Boise by 10 om MDT. Snow levels near 4-6kft, dropping to 3-5kft MSL behind a cold front tonight.
744 PM EDT Mon Mar 30 2020 A low pressure system north of the eastern Great Lakes this afternoon will slowly track southeast to the New England coastal waters by Tuesday while weakening.
Overall, the forecast is still in good shape, with a cold front entering the region Tuesday morning. The cold front will bring rain and snow showers across the area as it pushes eastward through the day Tuesday. These warm and dry conditions, as well as the winds near Livingston, will soon retreat Tuesday morning as the upper low off the coast of the Pacific Northwest starts to move inland, bringing with it a cold front and surge of moisture. While the front will pass through mid Tuesday morning and shift winds to the northwest, the cold air won't fully move into the area until Tuesday night, so although temperatures will still fall, highs will range from the low 40s to low 50s from west to east, respectively.
Also, we're starting off a little warmer this evening, so have gone a degree or two warmer for lows. Places north of the Parkways will see a lesser chance of rain than the south, but deep mid-level moisture will likely seed-feed the lower cloud deck resulting in very light rain/drizzle/sprinkles beginning Tuesday late morning/early afternoon. Increasing clouds will likely suppress radiational cooling, resulting in morning mins in the low to mid 40s with some in southern Indiana dropping into the high 30s. Expect cooler temperatures tomorrow as rain and thick cloud cover dampen diurnal effects, with highs in the upper 40s to lower 50s.
High pressure remains in charge across the region tonight through the day Tuesday. Mostly clear skies will help temperatures fall into the lower to middle 20s over much of the area tonight. As the high pressure ridge axis passes through the region this evening, easterly winds should intensify, leading to a period of on-shore flow. This will result in cooler temperatures by Lake Superior into Tuesday. Tuesday will remain dry, with some cooler temperatures by the lake.
556 PM CDT Mon Mar 30 2020 Cloud cover in place across the eastern half of the area may briefly decrease this evening with the loss of heating, but continued cyclonic flow aloft and an approaching backdoor cold front will ultimately act to reinforce the stratus for tonight and much of tomorrow.
Zonal flow aloft over region as mid/upper ridge previously parked over the state and responsible for the recent warm spell has weakened and retreated south this evening, while a stalled surface frontal boundary is draped along the northern Gulf Coast.
634 PM CDT Mon Mar 30 2020 After a cloudy, cool end to the weekend, today featured the welcome return of abundant sunshine along with much lighter winds due to high pressure ridging across the area. With high pressure building into the region, mostly sunny skies are expected Tuesday.
Surface analysis this afternoon places a warm front along the Northern Gulf of Mexico. Short term models including Convective Allowing Model Solutions (CAMs) indicate rain showers should continue tonight into Tuesday morning in association with an area of low pressure moving across Central Mississippi. CJC 00Z TAFs An open upper level trof will lift from the southern plains to the Ozark Plateau through 12Z. A complex set-up for tonight, with warm advection (lift) ramping up and enhancing the rainfall from the high-based (above FL060) clouds after 06Z.
Tuesday will be cooler with morning snow showers and afternoon rain and graupel showers. The cooler, unsettled weather persists through much of the week, although precipitation coverage and intensity will decrease. /Fugazzi 00Z TAFS: A breezy post-cold front air mass will persist into the evening with scattered -SHRA over far southeast WA and central ID through the evening. A cold upper level trough will promote isolated to scattered instability showers of snow through tonight with the best chance laying over the Idaho Panhandle through 12Z.
901 PM CDT Mon Mar 30 2020 The warm front is now quasi-stationary and located generally E-W across southern Trinity and Houston counties. The best chance of showers and thunderstorms continues to be across the northern half of the area as the cold front begins to move SE overnight. The possibility still exists for some additional scattered showers at CLL, UTS, and CXO over the next few hours as the surface warm front continues to advance northward, but have led with VCSH wording at these sites given low confidence and the scattered nature of coverage. Additional precipitation develops overnight as a surface cold front traverses the area.
654 PM CDT Mon Mar 30 2020 The focus in the short term is the upper level trof that will be passing through the Central Plains this evening and tonight. Chose to go on the warmer side for highs on Tuesday due to the south/southwesterly flow and clearing skies.
355 PM MDT Mon Mar 30 2020 A cold front will move eastward through the region tonight. Expect rain and snow to accompany the cold front.
A cold front moves through late in the night to early Tuesday morning shifting winds to the north and should clear out the low ceilings leaving mid to high clouds through the afternoon. A weak cold front will push through the area tonight; combined with increased moisture and instability could create a better chance for some rain and isolated thunderstorms. Temperatures will remain above normal even in the northerly winds behind the cold front.
Dry and warmer weather returns today with little change expected throughout the work week.
749 PM EDT Mon Mar 30 2020 A weak area of low pressure will move across the southern states on Tuesday, perhaps bringing some light rain to northern Kentucky and far southern Ohio. As the low level flow veers to a north then to the northeast, stratocumulus clouds will thicken once again and shift to the south and southwest. Lows will range from the lower to mid 30s north to near 40 south.
138 AM EDT Tue Mar 31 2020 Weak inland low pressure will dissipate tonight. Meanwhile low pressure well east of Nantucket will strengthen through Tuesday while moving very slowly east.
Wednesday Night through Tuesday A more potent disturbance will move into the region by mid week, dragging a cold front through the forecast area.
A cold front is working its way across the East Texas Lakes region this morning. Through the morning a weak area of low pressure will move east from Texas and across the lower Mississippi Valley and the associated cold front will push south and east. A secondary cold front will also pass through the region later today or this evening, but no convection is expected with this boundary.
Arctic high pressure across nrn Canada will build to near 1065 mb and begin spilling into Nebraska Wednesday afternoon. The models have slowed the progress of this cold front allowing for a second warm day Wednesday across srn Nebraska.
923 PM PDT Mon Mar 30 2020 Rain and mountain snow continue this evening as moist onshore mid level flow continues with a powerful trough of low pressure off British Columbia. This trend will continue over the next 24 to 36 hours with intermittent shower activity for the lower elevations and accumulating snow mainly above 2000 to 3000 feet.
Should see slightly better coverage of showers with perhaps a rumble of thunder or two as a cold front pushes through SE Texas overnight, approaching the northern counties around 09-10Z, the metro area around 12-13Z, and offshore by around 15Z. /ISSUED 901 PM CDT Mon Mar 30 2020/ The warm front is now quasi-stationary and located generally E-W across southern Trinity and Houston counties. The best chance of showers and thunderstorms continues to be across the northern half of the area as the cold front begins to move SE overnight.
1223 AM CDT Tue Mar 31 2020 The focus in the short term is the upper level trof that will be passing through the Central Plains this evening and tonight. Chose to go on the warmer side for highs on Tuesday due to the south/southwesterly flow and clearing skies.
135 AM EDT Tue Mar 31 2020 High pressure over the region will weaken overnight. A low pressure system will cross the area Tuesday and will bring widespread showers and a chance of thunderstorms.
1124 PM EDT Mon Mar 30 2020 An upper trough will bring cooler and damp conditions to the region for much of the week.
Elsewhere water vapor showed a split flow over North America with the southern stream over Mexico and the gulf coast states while a closed upper low along spun along the coast of British Columbia within the northern stream. With weak surface ridging over the area today and limited mixing, highs are expected to be a little cooler with readings forecast to be in the middle 60s.
236 AM CDT Tue Mar 31 2020 High pressure will dominate the Midwest over the next few days bringing dry conditions. Temperatures should be a little cooler today, and then slowly warm through the rest of the week.
319 AM CDT Tue Mar 31 2020 Early morning water vapor imagery detects an upper cyclone along the KS/OK border, and precipitation has expanded in coverage over northeast OK as moisture wraps around this system. The upper low and associated precipitation will shift quickly east this morning, with rainfall tapering off by mid/late morning.
Tonight, high pressure will slowly shift east of the area and WAA will get underway.
This process will delay the arrival of upper ridging which promises to bring improved conditions late in the week.
Previous Discussion: Upper low over southwest Ontario will slowly fill and drift southeast over NY state to near NYC by 12Z Tuesday. Overnight, enough cold air aloft combined with nighttime boundary layer cooling will allow for some light mixed rain and snow over the highest elevations. A deepening low will track well south of the area in the Carolinas Tuesday night will extend an inverted trough northward into western PA. The upper level low will slowly start to move east. However, we will still have enough influence from this low to keep the threat for some isolated showers right through the middle of the week. Highs should get well into the 40s, with lows only falling into the low 30s Wednesday night.
1044 PM CDT Mon Mar 30 2020 After a cloudy, cool end to the weekend, today featured the welcome return of abundant sunshine along with much lighter winds due to high pressure ridging across the area. With high pressure building into the region, mostly sunny skies are expected Tuesday. A much stronger trough moving into the northern plains later in the week is forecast to amplify downstream ridging with a push of warm advection across the region.
A mid level short wave trough over the Mid-Mississippi Valley early this morning swings across the southeastern states and reaches the Atlantic coast very early Wed morning. with the showers exiting to the southeast as drier and cooler air sweeps in.
Byrd A cool anticyclone continues to slide across the Upper Midwest in the wake of the weekend's storm. Guidance in consensus showing the cyclone pushing east-southeast through Arkansas and into the Deep South into tomorrow morning. With clouds around for at least part of the day and winds generally remaining out of the north, temps tomorrow will be noticeably cooler than the last few days. Overnight temps are likely to fall well into the 30s, with many locations approaching freezing. BSH As we move into the second half of the week, we'll be beneath an upper ridge sandwiched between deep lows over SW Canada and off the coast of the eastern CONUS.
Temperatures will be fairly cool today with highs in the low to upper 40s. Winds will be light to modest from the northeast bring air from over the lake inland which will certainly keep areas to the east cooler. It may be a bit too dry in the low levels but there remains a chance, especially to the northwest parts of the CWA where there is better low level moisture.