Aikyam-Lab/Synoptic-Bench huggingface dataset:
/issued 251 PM CST Wed Dec 27 2017/ SHORT TERM (Tonight through Thursday Night): Plains high pressure will continue to filter south over the area in the short term, with a westerly mid level component, although that component will veer slightly by Thursday night. Thus, not looking for a quick clearing out, but rather cloudy and continued cool weather, with light rain chances near the coast, where a coastal trough has set up just offshore, where it will persist. High temperatures Thursday will struggle to reach the low to mid 50s as weak cold air advection continues under cloudy skies and a continue chance of light rain, mainly across eastern sections.
/issued 222 PM CST Wed Dec 27 2017/ After an nasty morning across much of the area, ice has mostly melted on the roads as temperatures warm closer to freezing. Patchy freezing fog will also be possible so it would be a good idea to give yourself some extra time if traveling Thursday morning. After we get rid of that, expect sunny skies and much warmer temperatures by afternoon! Weak westerly, downslope flow will help push the Arctic air east for at least a couple of days.
Winds of 10 to 15 knots were sampled up to 3ft in the low levels of the boundary layer. However, residual clouds are moving southwest at 10 knots over the Bayside and Gulfside waters, just north of the Lower Keys, which may result in brief FL050 ceilings spreading to EYW later this evening.
528 PM CST Wed Dec 27 2017 High pressure will move from IA east to the eastern Great Lakes.
522 PM MST Wed Dec 27 2017 Arctic airmass retreated across the plains today bringing in warmer and windy conditions to the area, finally relieving us of single digit temperatures from this morning. We can see a wide range of max temperatures ranging from the 50s in our southwestern CWA to the low 30s in our northeastern counties.
420 PM MST Wed Dec 27 2017 Large upper trough persist across the eastern two-thirds of the CONUS today. Temps across northeast Wyoming and the Black Hills have reached the 20s and 30s, as warmer air continues to push into the area.
550 PM EST Sat Mar 3 2018 Fairly benign weather through the short term portion of the forecast as a large high pressure system has control over much of the eastern U. Strong ridging is in place aloft to, with northwest flow pulling dry but cool air into the region.
840 PM EST Sat Mar 3 2018 Strong low pressure south of the New England Coast will slowly move further away from the forecast area through the weekend. A pressure ridge extending through the Mississippi River Valley will move eastward.
These cloud decks to gradually begin to lower to low vfr and chances of rain and a few tstms with good elevated instability and strong veering wind flow in the low lvls. /issued 225 PM CST Sat Mar 3 2018/ Water vapor imagery shows the ridge axis over Texas gradually shifting eastward this afternoon. In fact, most locations are running 2 to 4 degrees warmer than this time yesterday, with several locations at or above 70 degrees at 2 pm. For the most part, rainfall amounts look to be on the low side compared to some of our more recent storms, with most areas seeing between a quarter and half inch tomorrow.
The other concern is the Wind Advisory for the lower Snake River plain and eastern Magic Valley. The 04/00UTC guidance indicates that the low level support is very much there.
421 PM MST Sat Mar 3 2018 21z surface analysis had low near KSPF with warm front into eastern NE, trough into central WY and into central MT. Bigger picture showed upper trough over southwest Canada into western OR with an upper low over central AB and one just west of OR. Effects of frontal boundaries main concern early on, and then the upper trough. Tonight/Sunday morning, upper trough moves onshore as downstream ridge continues to move east.
/issued 301 PM CST Sat Mar 3 2018/ SHORT TERM (Now through Sunday night): A weak warm front has moved northward across the area, with surface winds shifting from the ENE back to the SE this afternoon. An area of showers affected portions of the lower Rio Grande Valley, but it has dissipated for the most part as it moves into the northern Ranchlands. Behind the front, skies continue to clear along the coast with temperatures rising into the low 80s across most of the area. Drier air will sink into the lower levels tonight through Sunday with rain chances quickly diminishing from south to north. Temperatures on Sunday will be even warmer with highs in the upper 80s to low 90s.
The multi-lobed low pressure system over the PAC NW and the northern Rockies is directing SW flow aloft over the region.
Showers, most numerous in the mountains and at the coast, will continue this evening as an upper low tracks inland. Maintained isolated thunderstorms over the marine waters and immediate coast for this evening, due to the position of the low. The low will continue to fill and drift southward tonight. Recent hi-res model guidance show a strong wave spinning around the base of the low into the southern coast, bringing potential for heavy snow tonight in the Illinois Valley, possibly reaching Grants Pass and passes north of Grants Pass.
516 PM CST Sat Mar 3 2018 Upper level trough presently centered along the Pacific coast of the CONUS will begin to push eastward tonight, and will be the harbinger of things to come for the beginning of the week.
/Issued 436 PM CST Sat Mar 3 2018/ High pressure continues to dominate the central CONUS, and will continue to do so through Sunday evening.
/ISSUED 349 PM CST Sat Mar 3 2018/ An overcast cloud deck has now overtaken the CWA, causing high temperatures to top out in the low to mid 70s. High pressure at the surface will continue to track eastward as winds veer to southerly tonight. With low temperatures tonight in the upper 50s to low 60s, the higher dew points will bring a chance for patchy fog early Sunday morning in the southwestern counties.
915 PM EST Sat Mar 3 2018 Building high pressure will ensure dry and seasonably cool conditions through the weekend. Otherwise, dry weather can be expected as high pressure builds over the region.
509 PM CST Sat Mar 3 2018 Sprawling ridge of high pressure extending from Ontario southward to the Gulf Coast will continue to dominate the weather across central Illinois through Sunday. while highs on Sunday climb into the lower to middle 50s.
Upper level ridging will keep our region dry into Sunday. Temperatures will be a few degrees warmer on Sunday as winds become southerly ahead of our next weather system.
704 PM EST Sat Mar 3 2018 Aviation High pressure will move east Sunday and a vigorous low pressure system will move into the Great Lakes.
Upper ridge axis just west of the MS River Valley will shift ewd over WI for Sun. Mid level cloud cover associated with an area of warm air advection will likely push into the western parts of the forecast area late tonight, keeping temperatures just a bit warmer west of I-90.
635 PM CST Sat Mar 3 2018 Upper level ridging will shift east of the area tonight into Sunday as a deep long wave trough approaches from the west. Sharp ridge through the central plains into central Canada today. Closed low off the Oregon coast with leading edge of precipitation shield from south central Montana too Northern California. High temps this afternoon two categories off with southeast to east fetch of cooler moist air. Best forcing just to the east of the forecast area Sunday night as the upper low deepens and drives into northwest Nebraska. Strong northwest winds develop over the west Sunday night and increase through the morning as upper low deepens and moves east into northeast Nebraska.
A weak upper trough will move southeast across Western Washington Sunday and Sunday night giving an increase in shower activity.
Dangerous Surf and Seas with Significant Beach Erosion Expected High pressure stretching from the Ohio Valley down to the central Gulf will maintain cool north winds overnight, with lows expected to drop 4 to 7 degrees below early March climatology (records remain well out of reach). 45" while the lowest recorded values ever (for March 3) are 0. 12"! (Previous) Main concern for tomorrow will be beachside, where large long period swells from distant strong low pressure over the northwest Atlantic will continue to increase over the coastal waters.
Expecting CIGs to approach airport minimums for KAUS/KSAT/KSSF overnight and towards daybreak as expectations are for continued moistening of the low level atmosphere and BR development. Upper air analysis this morning showed a ridge over the middle of the country with the flow over Texas turning from the southwest to west. At the surface, high pressure was centered to the northeast making winds across our CWA easterly to southeasterly. The upper level flow will remain from the southwest as the ridge axis shifts slowly to the east tonight and Sunday. The low level flow will continue from the south bringing an old frontal boundary back to the north as a warm front. Sunday night a cold front will move through West Texas while warm, moist flow continues across our CWA and brings slight rain chances across the northern half of the area.
A weak upper trough will move through Western Washington Sunday and Sunday night giving an increase in shower activity.
1053 PM EST Sat Mar 3 2018 Adjusted minimum temperatures in the valleys to be a couple degrees warmer since they do not seem to be decoupling as quickly, even with the calm winds and clear skies. Fairly benign weather through the short term portion of the forecast as a large high pressure system has control over much of the eastern U. Strong ridging is in place aloft to, with northwest flow pulling dry but cool air into the region.
630 PM EST Sat Mar 3 2018 High pressure and a dry airmass will remain in place through the weekend.
414 PM CST Sat Mar 3 2018 Looking at satellite imagery this afternoon, a strong ridge is noted spreading across the middle of the Nation with large troughs bookending the ridge across the east and west coasts; though the feature of importance for our weather this coming week is the West Coast trough. The ridge across the Plains States today has brought some warm windy conditions to the Lower Missouri River Valley thanks to abundant sunshine, a tightening pressure gradient and boundary layer mixing.
This afternoon's sounding was significantly more unstable than this morning's, with the coldest air aloft in the upper level trough over our region. Trough dynamics could still support isolated snow showers over the mountains for the remainder of tonight into Sunday morning, but even these will end by Sunday evening as the trough departs to the east and we come under drier more stable northwest flow aloft.
252 PM PST Sat Mar 3 2018 Low pressure along the West Coast will move inland tonight with scattered showers along and west of the mountains through this evening, and gusty west winds across the mountains and deserts. Drier and a little warmer Sunday.
9 IR band via GOES-16 satellite imagery) has wafted across the Lower Keys, yielding a sunset displaying warmer colors than usual. Expect a cool night, progressively becoming breezy, with the wind surge working its way from the Upper Keys down to the Lower Keys late. Despite a nearly cloudless sky, the increasing breezes will shut off any chance of radiational cooling, though lows are still expected to be slightly below climatological normals in the low to mid 60s. A powerful low pressure system east of the U.
Fairly benign weather through the short term portion of the forecast as a large high pressure system has control over much of the eastern U. Strong ridging is in place aloft to, with northwest flow pulling dry but cool air into the region.
855 PM EST Sat Mar 3 2018 Strong Canadian high pressure will continue to ridge south into Florida and the eastern Gulf of Mexico with a very dry airmass persisting through Sunday. Temperatures tonight will dip into the upper 30s north to around 50 near the coast from around Tampa Bay southward and then only climb into the lower to middle 70s again on Sunday. Northeast to north winds will remain elevated into Sunday then shift to southeast to south and diminish early in the work week as the pressure gradient relaxes and the high to the north moves out into the Atlantic Ocean. Winds and seas will increase to exercise caution, possibly advisory levels, during midweek as a cold front moves across the waters.
540 PM CST Sat Mar 3 2018 Looking at satellite imagery this afternoon, a strong ridge is noted spreading across the middle of the Nation with large troughs bookending the ridge across the east and west coasts; though the feature of importance for our weather this coming week is the West Coast trough. The ridge across the Plains States today has brought some warm windy conditions to the Lower Missouri River Valley thanks to abundant sunshine, a tightening pressure gradient and boundary layer mixing.
1014 PM EST Sat Mar 3 2018 High pressure and a dry airmass will remain in place through the weekend.
Maintained isolated thunderstorms over the marine waters and immediate coast for this evening, due to the position of the low. The low will continue to fill and drift southward tonight. Recent hi-res model guidance show a strong wave spinning around the base of the low into the southern coast, bringing potential for heavy snow tonight in the Illinois Valley, possibly reaching Grants Pass and passes north of Grants Pass.
617 PM EST Sat Mar 3 2018 High pressure over central Canada will slowly build eastward into the area today and Sunday.
Have not removed the low chance of showers, though. /ISSUED 349 PM CST Sat Mar 3 2018/ An overcast cloud deck has now overtaken the CWA, causing high temperatures to top out in the low to mid 70s. High pressure at the surface will continue to track eastward as winds veer to southerly tonight. With low temperatures tonight in the upper 50s to low 60s, the higher dew points will bring a chance for patchy fog early Sunday morning in the southwestern counties.
514 PM EST Sat Mar 3 2018 Building high pressure will ensure dry and seasonably cool conditions through the weekend. Otherwise, dry weather can be expected as high pressure builds over the region.
/issued 357 PM CST Sat Mar 3 2018/ Ridging at the sfc and aloft is providing for a very nice early Spring day. Under mostly sunny skies, temperatures have climbed into the lower 70s. 24 Dry and somewhat cool conditions can be expected tonight as the ridge axis over the region begins to shift east. This will keep temperatures from falling too much overnight so lows will be milder, and about 10 to 15 degrees warmer, than this morning acrs lower southeast TX and far southwestern LA.
For Wednesday moisture is limited to the lower levels of the atmosphere as 700-500mb moisture very dry. The forecast area will continue to be on the northern periphery of the upper level ridge to the south. There will be a few opportunities for some more rainfall Wednesday night through Thursday night, but am not very optimistic based on the weak upper level short wave troughs that round the crest of the ridge then fade as they move into the forecast area during the latter part of the week.
Little change in the weather pattern is expected through the end of the work week as a strong high pressure system keeps temperatures above normal.
340 AM EDT Wed Jun 7 2017 High pressure builds in from the north through tomorrow.
By Thursday morning a late season cold front brings light rain into the North Bay.
Temperatures are currently in the lower 80s along the Keys island chain with moderate southerly breezes across the eastern half of the service area, fresh across the west.
208 AM EDT Wed Jun 7 2017 The airmass across the region will remain moist a cold front pushes through the southern Midlands and CSRA.
357 AM EDT Wed Jun 7 2017 A weak cold front continues to sink southward this morning. A low pressure system will develop offshore the Southeast coast on today, then lift north northeast offshore the Mid-Atlantic coast on Thursday. Low pressure also visible forming just off the Alabama coastline along with several waves in the flow that will track along the larger cold front to our south and eventually move northeastward offshore of the Carolina coast. Cloud cover will remain fairly thick throughout the day as an upper low pushes southward from the mid-Atlantic states. Both of these features will head northeast, leaving relatively high surface pressure over central NC and a weakening trough aloft.
453 AM MDT Wed Jun 7 2017 Upper air analysis continues to show a nearly stationary ridge of high pressure over western Colorado early on Wednesday morning. Mid-level moisture remains a touch higher just to the east of this ridge axis, including the central mountains and points east over the divide.
626 AM EDT Wed Jun 7 2017 Cool and showery weather under an upper level low through much of the week.
331 AM CDT Wed Jun 7 2017 Recent late evening/nocturnal convection over the last several days has been a result of weak disturbances moving overhead in persistent N/NW flow aloft as a ridge axis remains parked just west of the region.
308 AM CDT Wed Jun 7 2017 The synoptic pattern early this morning features an upper trough across the eastern Great Lakes and the Northeast, with a ridge extending throughout much of the central CONUS. Daytime highs will climb into the upper 70s and low 80s with dewpoints in the lower 50s.
The higher dewpoint depressions across the region should prevent any widespread issues from fog like yesterday morning. Current water vapor imagery and RAP upper air analysis indicates a closed low to the north that stretches from the Northeastern U. A second trough is to the south along the Northern Gulf. The trough to the north will sweep southward across the area late today and tonight. The forecast area will be in the right entrance region of a 80-90 kt jet that will develop along the southern periphery of the closed low later today. With this, expect there will be a few showers or storms possible later today into the overnight hours mainly along the higher elevations where the terrain will provide additional lift.
300 AM CDT Wed Jun 7 2017 Drier air is making its way southwestward into eastern Oklahoma and western Arkansas in the wake of the back door cold front. Temperatures today will be several degrees cooler than yesterday's, likely just below normal values. Highs tomorrow will be a degree or two warmer than todays, with winds beginning to shift to a southerly direction late in the day as high pressure pushes east.
An upper ridge currently over West and Central Montana will build into the eastern part of the state today. That ridge will remain over Eastern Montana tonight and Thursday. Expect mostly clear skies with some high clouds at times today, tonight and Thursday with warmer temperatures. Surface gradient between the high to the east and developing low to the west will tighten tonight and Thursday which will increase the southeast winds. A warm front will pass through Northeast Montana Thursday Night.
137 AM EDT Wed Jun 7 2017 A trough of low pressure will remain to the west as high pressure builds in from the north through Wednesday night.
650 AM EDT Wed Jun 7 2017 A cold front will move through region early this morning and become nearly stationary across the Low Country. Upper level trough over the Northeastern states and Mid Atlantic shifting southeast so front has moved south into the central Midlands at 07z. Southern stream trough over the eastern Gulf of Mexico near panhandle Florida this morning lifting northeast. the latest HRRR model suggests showers will spread into the central Midlands associated with short wave trough. Temperatures should be cooler than previous days due to cold advection and threat for showers. Much drier and cooler air will filter into the region.
123 AM EDT Wed Jun 7 2017 Quiet weather into Wed as high pressure remains in control. All areas should end up cooler than last night, so favored cold spots in the interior may drop into low to mid 30s. High pressure settles to the central Great Lakes on Wed while low pressure trough slides over northern Ontario. Warmer aloft with h85 temps into the lower teens and once again sunny skies, so max temps away from lake modification will be into the mid or upper 70s.
With clouds lingering around the area, expect the temperatures to remain on the cooler side. Wednesday night through Thursday night there is an upper level ridge to the west of the area and there are a few weak waves that slide around the ridge.
Wednesday will be back to a warming trend after a cooler day today. Thursday should see less coverage over storms due to ridging aloft and warming midlevel temps capping the atmosphere.
Expect a lake breeze to keep the temps cooler near the lake, with highs in the lower 70s.
Weakening upper level ridge to build into Lower Michigan through Thursday, as the upper level circulation over North Dakota early this morning shears out and tracks through the Central Great Lakes Thursday evening/night, as strong northern stream trough tracks through northern Ontario. 700 MB Theta-e ridge tracking through with steep mid level lapse rates around 7 C/KM will provide a slight chance of showers and thunderstorms Thursday night.
1204 AM CDT Wed Jun 7 2017 Radar is indcg storms in se La are swinging around the backside of the upper level trof and look to sweep rapidly thru south cntrl Louisiana. It is going to take thru midnight to get most of the storms out of the region and the low further to our east. The storms are wrapping around the western side of the same low pressure area that has brought several days of very wet weather. Convection is forecast to wane this evening with the loss of diurnal heating and as the low continues its slow eastward retreat, a cold front will swing through the area overnight tonight.
Ceiling and visibility will be VFR with nothing more than patchy cirrus on Wednesday from overnight convection across the Permian Basin and west Texas spilling over the developing ridge, and perhaps a few elevated cumulus clouds but nothing more.
104 AM EDT Wed Jun 7 2017 Dry weather and cool temperatures are on the docket over the next few days as high pressure slides south out of the Upper Great Lakes.
No rain is forecast today!!! This morning low pressure is along the coast of the Florida Panhandle, and a trailing cold front stretches southwest off the coast of Louisiana. Aloft, an upper low is also moving along the northern gulf coast. After sunset with the lower dewpoints temps will drop off quickly and be around 5 degrees below normal by Thursday Morning.
Currently, an upper level low was over the ND/Saskatchewan/Manitoba border. At the surface, the exiting cold front was over the Red River Valley, with dry and cool high pressure extending from Saskatchewan to eastern MT/WY and the western Dakotas. Temperatures in the high pressure area were mainly in the 40s with dewpoints in the 30s and 40s. Lingering showers continued along the cold front, but isolated showers lingered behind the front in the James Valley, likely due to mid level frontogenesis. The upper level low is forecast to move east along the Canadian border, reaching the Red River Valley this afternoon.
349 AM EDT Wed Jun 7 2017 An upper level low will continue to hover around the region through Thursday as high pressure slowly builds south across the Great Lakes.
High pressure will transition to southwest flow aloft today over the Northern Rockies. On Thursday afternoon, thunderstorm activity will increase across the Northern Rockies ahead of a cold front.
313 AM EDT Wed Jun 7 2017 A pesky upper level low pressure continues to provide cool weather with isolated showers.
Breaks of sun possible during the afternoon and if we do break out for several hours of sunshine this afternoon then highs climbing into the lower 80s will be possible late today. Could even be a little warmer if you add a few degrees for a super. Will therefore favor the warmer MET guidance east and lean more towards the cooler CONSMOS further west which ends up being very similar to the previous forecast.