Aikyam-Lab/Synoptic-Bench huggingface dataset:
738 PM EDT Thu Apr 20 2017 Aviation Showers and thunderstorms will end this evening as a cold front moves across Lower Michigan. High pressure will then build into the region providing sunshine from late Friday through the end of the weekend.
717 PM EDT Thu Apr 20 2017 More widespread storms late tonight as a cold front crosses the region.
705 PM EDT Thu Apr 20 2017 Low pressure will move slowly east into New England through Friday. The approaching low and a cool onshore flow will provide rain to the region tonight through Friday night with some wet snow and sleet possible across the higher terrain near the international border.
Cold front between MAF/HOB with satellite showing low clouds attempting to develop SW toward HOB and have included a TEMPO MVFR group for few hrs this morning. Surface winds will turn wly mid/late morning ahead a cold front that will arrive around 03Z tmw night.
Currently, only small light showers are stretched in an E/W oriented line well south of the Lower Keys, and more isolated and weaker echoes are found in our eastern Straits.
A low pressure system will slowly move east allowing for a ridge of high pressure to build into the region tomorrow.
/Issued 849 PM CDT Thu Apr 20 2017/ Shower and thunderstorm activity is set to become more widespread over the next several hours as the low level jet intensifies and isentropic lift becomes more pronounced across the region.
1018 PM EDT Thu Apr 20 2017 More widespread storms late tonight as a cold front crosses the region.
Carrying a scattered low cloud layer at KABI, which should be mostly north of the low cloud field early Friday morning. The low cloud cover will break up by mid to late morning, with mostly sunny skies and VFR conditions expected during the afternoon. /issued 343 PM CDT Thu Apr 20 2017/ (Tonight and Friday) As of mid afternoon, a surface cold front was moving slowly south across northwest Texas. This front is expected to stall roughly along a Sweetwater to Haskell line this evening, then lift back north as a warm front late tonight and early Friday due to pressure falls in the lee of the Rockies. (Friday Night through Thursday) A strong cold front will move south across West Central Texas Friday night, bringing gusty north winds and much cooler temperatures for this weekend.
849 PM CDT Thu Apr 20 2017 Shower and thunderstorm activity is set to become more widespread over the next several hours as the low level jet intensifies and isentropic lift becomes more pronounced across the region.
Chattanooga Airport, TN 62 83 61 79 / 20 60 50 40 Knoxville McGhee Tyson Airport, TN 62 81 60 77 / 20 70 50 50 Oak Ridge, TN 61 80 60 75 / 30 70 60 60 Tri Cities Airport, TN 56 77 56 73 / 30 70 60 60.
942 PM EDT Thu Apr 20 2017 Low pressure will track across southern lower Michigan and eastward to Ontario tonight, taking a cold front across northern Ohio and northwest PA this evening through early overnight.
849 PM CDT Thu Apr 20 2017 Surface observations indicating the cold front that affected central IL today has now reached Lawrenceville and is exiting the forecast area. Much cooler temperatures will continue to advect into the area for lows in the 40s to lower 50s. The cold front is easily discernible on radar as well as in the obs, and scattered showers and thunderstorms still exist in advance of the boundary. and clouds and northerly winds will keep the high temps tomorrow in the 50s. Rain chances tomorrow will return in the southern tier of the state as the stalled front slowly reverses as a warm front in the afternoon hours.
An upper level trough will move east of Utah tonight.
Cold front will continue moving through western CO this evening with a nice vort max in the flow traveling just north of Grand Junction and should track over Rifle and Eagle. The northward trends of the models will not have a huge impact on the forecast with the best accumulating snow favored over the higher terrain from the Park to the Elk Ranges. The pattern in the central CONUS takes on a mini-Rex pattern as the negatively tilted trough over the Rockies undercuts the ridge of high pressure it will be replacing.
700 PM CDT Thu Apr 20 2017 A cold front was located over central Missouri this afternoon, roughly near a kstl-ksgf line at 19z. On Friday, the cold front will move down across Tennessee and Arkansas. Rain is very likely across the region as a 500 mb closed low approaches from the Plains. Highs will range from the mid 50s to mid 60s in the cooler north surface flow.
614 PM CDT Thu Apr 20 2017 243 PM CDT Latest radar imagery depicting shower and thunderstorm development still ongoing across northwest Indiana, ahead of departing cold front. Cold advection on the back side of this system is ushering in cooler temps, with 50s being observed over northwest Illinois.
642 PM CDT Thu Apr 20 2017 At 3 PM, a trough was located across central Wisconsin and central Minnesota. The combination of this trough and 950 to 900 mb lapse rates greater than 8 C/km kept instability showers going across central Wisconsin.
A ridge of high pressure will then build into the area Friday night. The HRRR shows the MCS continuing across the CWA overnight with a line of showers marking the cold front finally moving through the Central Mountains between 12-15Z Friday morning. 00Z models a bit slower with passage of cold front Friday, so have held onto the chance of morning showers over all but the northwest mountains.
1158 PM CDT Thu Apr 20 2017 At 3 PM, a trough was located across central Wisconsin and central Minnesota. The combination of this trough and 950 to 900 mb lapse rates greater than 8 C/km kept instability showers going across central Wisconsin.
/ISSUED 327 PM CDT Thu Apr 20 2017/ Upper level ridging is impinging on the area from the southwest and showers considerably less numerous than yesterday. Fog will erode quickly on Friday but upper level ridging and associated capping should limit rain chances even more than today.
926 PM EDT Thu Apr 20 2017 A cold front will drop into the Mid Atlantic Friday.
900 PM EDT Thu Apr 20 2017 High pressure over the region will provide clear skies Overnight.
719 PM EDT Thu Apr 20 2017 Ridge of high pressure will remain over the area through early Friday with the remains of a frontal boundary north of the area.
A cold front was located over central Missouri this afternoon, roughly near a kstl-ksgf line at 19z. On Friday, the cold front will move down across Tennessee and Arkansas. Rain is very likely across the region as a 500 mb closed low approaches from the Plains. Highs will range from the mid 50s to mid 60s in the cooler north surface flow.
1248 AM EDT Fri Apr 21 2017 Cooler and dry conditions are just ahead through this weekend over the Upper Great Lakes Region as high pressure gradually builds into the region.
812 PM EDT Thu Apr 20 2017 Showers and thunderstorms will continue into tonight as a cold front pushes east across the region.
1003 PM EDT Thu Apr 20 2017 Low pressure will move slowly east into New England through Friday. The approaching low and a cool onshore flow will provide rain to the region tonight through Friday night with some wet snow and sleet possible across the higher terrain near the international border.
While DRWP data shows ESE winds in the lowest 2KM have increased to ~15KT since 4PM/20Z, figure this to be temporary, with decoupling likely by late evening given the increasingly more southward position of the ridge axis.
A few light showers remain over mainly the higher terrain as of 830 pm MDT.
931 PM PDT Thu Apr 20 2017 Drier conditions are expected through Friday night as high pressure moves over the area.
A ridge of high pressure will then build into the area Friday night. A cold front extends from the low and bisects Indiana off through southern Illinois. A warm front extends from lake Erie east along the NY/PA border then doglegs sharply south through the Susq River Valley. The HRRR shows the MCS continuing across the CWA overnight with a line of showers marking the cold front finally moving through the Central Mountains between 12-15Z Friday morning. 00Z models a bit slower with passage of cold front Friday, so have held onto the chance of morning showers over all but the northwest mountains.
619 PM CDT Thu Apr 20 2017 Cold front has moved through the area, leaving all of northeast Kansas and northwest Missouri in a drier and cooler air mass for the next several hours. Expect cooler temperatures over the next several days as north/northeast winds keep cool air flowing into the area.
1208 AM EDT Fri Apr 21 2017 Rain is expected overnight with the approach and passage of a cold front. Weak high pressure should return dry weather later today. Showers and isolated thunderstorms are expected to accompany the approach and passage of a cold front overnight. Otherwise, weak surface ridging returning dry weather during the day.
948 PM EDT Thu Apr 20 2017 Ridge of high pressure will remain over the area through early Friday with the remains of a frontal boundary north of the area.
625 PM EST Sun Nov 5 2017 Weak high pressure will hold over the region through Monday.
954 PM EST Sun Nov 5 2017 A warm southerly flow tonight ahead of an approaching cold front from the west. The cold front will move across the region Monday.
915 PM EST Sun Nov 5 2017 The cold front has now moved from near Toledo Ohio to southern Indiana to northwest Arkansas.
Widespread and significant rain could produce localized flooding tonight and Monday morning with the passage of a cold front. Some clearing exist across southern portions of the forecast area where temperatures continue in the low 70s. Upstream, showers and thunderstorms are already ongoing over portions of northern and central Ohio near and just ahead of the potent cold front. Later this evening, however, the eastward push of the mid-level trough will deliver any ongoing convection to our forecast area. As the surface front and mid-level trough approach this evening, deep layer shear will run parallel to the boundary allowing for training thunderstorms. The cold front will bisect the area Monday with showers ongoing south of Pittsburgh. The mid-level trough axis will shift east of the area and the overall strength of the system will be waning.
530 PM CST Sun Nov 5 2017 Cold front has made it to CDS with winds shifting to the northeast. Models are still on track for a backdoor cold front to move through the area late this evening into Monday. This will leave all areas, except the far NE portions of the CWA, warmer than normal for one more day.
Widespread and significant rain could produce localized flooding tonight and Monday morning with the passage of a cold front. Fries The cold front will bisect the area Monday with showers ongoing south of Pittsburgh. The mid-level trough axis will shift east of the area and the overall strength of the system will be waning.
A cool trough continues to affect the region through Monday with scattered snow showers north of Interstate 80.
547 PM CST Sun Nov 5 2017 Cold front at 2 pm was located roughly from the north side of St. The current front will make it into the Tennessee Valley, before a low pressure rides along it.
/issued 335 PM CST Sun Nov 5 2017/ Mid-afternoon sfc analysis shows high pressure hanging over the sern CONUS, providing the area with a continued onshore low-level flow. while a frontal boundary is noted extending from low pressure near Hudson Bay through the Midwest/Mid-South to low pressure over the srn Plains.
941 PM EST Sun Nov 5 2017 Quiet conditions will prevail tonight, light wind and mild temperatures dominate under high pressure.
For the 00z TAFs: The cold front has now moved through the entire area with north- northeasterly winds in its wake.
650 PM EST Sun Nov 5 2017 Temperatures will continue to fall overnight as high pressure builds into the western Great Lakes. Otherwise, the cold front will continue to dive quickly to the east- southeast.
953 PM EST Sun Nov 5 2017 Strong cold front will move across northern Ohio and northwestern Pennsylvania tonight. High pressure will build over the region from the northwest and north most of the week. Cold front located from eastern Michigan to central Indiana will continue to move eastward through the night. The showers will end from west to east early Monday as high pressure builds into the area from the northern plains. It will be cooler on Monday with highs within a couple degrees of 50.
958 PM EST Sun Nov 5 2017 Strong cold front will move across northern Ohio and northwestern Pennsylvania tonight. High pressure will build over the region from the northwest and north most of the week. Cold front located from eastern Michigan to central Indiana will continue to move eastward through the night. The showers will end from west to east early Monday as high pressure builds into the area from the northern plains. It will be cooler on Monday with highs within a couple degrees of 50.
Otherwise, expect lows in the lower 70s under partly to mostly cloudy skies.
Latest regional mosaic radar imagery shows a line of showers and thunderstorms has formed along the cold front to our northwest, and currently stretches from west of Poplar Bluff, Missouri northeastward to just northwest of Evansville, Indiana. At 23Z the cold front stretched from Farmington.
611 PM CST Sun Nov 5 2017 A cold front will make its way across the Missouri Ozarks through early this evening. The front will clear the area by late evening ushering in a noticeably cooler airmass. A much cooler and more typical autumn day is in store for Monday.
956 PM EST Sun Nov 5 2017 Weak high pressure will hold over the region through Monday.
444 PM CST Sun Nov 5 2017 The backdoor cold front and associated low level clouds played havoc with temperatures today across the central and eastern Oklahoma Panhandle as well as the far northeast Texas Panhandle. Max temperature forecasts will be a headache again on Monday and very heavily dependent on where the cold front ends up.
/issued 344 PM CST Sun Nov 5 2017/ An upper level ridge centered over northern Mexico extends well across the northern Gulf coast. Another effect from that ridge will be above normal temperatures.
A few lightning strikes occurred with the first band in the Lower Treaseure Valley around 5 PM MST.
506 PM CST Sun Nov 5 2017 20Z surface analysis shows a cold front has moved across the forecast area and into central WI.
404 PM MST Sun Nov 5 2017 Latest upper level analysis has an upper trough over the western CONUS creating west southwest flow across the Northern High Plains. At the surface, high pressure is centered over the Dakotas.
Rainfall intensity will decrease overnight as cold front swings through the area. The line is on the leading edge of the pre-frontal trough, which will split into two distinct waves of energy later tonight. As the southern wave moves southward it will pull the surface cold front with it, with the boundary reaching the Mason-Dixon line around 12z. Will keep in the highest PoPs right along and ahead of the front, lowering the PoPs to the north of it. Again, the highest Pops will be exiting the region with the front, but will still need to keep in at least a chance of showers behind the front, until the last wave of energy exits by afternoon. Clouds will slowly decrease from the north as cooler and drier air moves southward.
Generally drier air spreading into southern WI overnight will help to scour out the low clouds by Mon morning, just as mid and high clouds start to spread in.
552 PM CST Sun Nov 5 2017 132 PM CST High pressure will continue to build into the region as storm system moves east. The expected BKN-OVC conditions should prevent temps from falling to far tonight and will also keep temps a bit cooler tomorrow as cloudiness is likely to linger. By late in the week, medium range models have been trending toward a more amplified solution with a progress, but still deep trough digging into the Great Lakes region.
750 PM EST Sun Nov 5 2017 Upper to surface ridging over the region keeping mild fall conditions over the area.
921 PM EST Sun Nov 5 2017 Low pressure will ripple along a cold front as they push southeast across the region tonight. Clouds and a few lingering showers are expected on Monday along with cooler temperatures.
558 PM CST Sun Nov 5 2017 Low stratus from this morning continues to push south and away from the local area as the responsible cold front is now entering the southern plains.
957 PM CST Sun Nov 5 2017 Cold front has pushed through the entire area.
808 PM CST Sun Nov 5 2017 Have updated the grids to account for a faster cold front movement and the increasing potential for post-frontal stratus moving into the northeast and north-central zones later tonight. /issued 530 PM CST Sun Nov 5 2017/ Cold front has made it to CDS with winds shifting to the northeast. Models are still on track for a backdoor cold front to move through the area late this evening into Monday. This will leave all areas, except the far NE portions of the CWA, warmer than normal for one more day.
The cold front has reached a Possum Kingdom-Argyle- McKinney-Paris line as of 915 pm, and this convergence zone is pretty well defined on KFWS reflectivity. and with the airmass immediately north of the front likely to remain quite shallow and easily mixable, I didn't adjust the highs downward for the Metroplex area at this time. However, I did go ahead and lower the highs just a bit along the northernmost tier of counties, where modest cold air advection should continue.
515 PM CST Sun Nov 5 2017 Cold front has pushed well into OK at this time, with lots of post frontal low clouds, and copious amounts of low level moisture. Expect to see cooler than normal temps continue for the beginning of the week, with very little chance in the low cloud cover dissipating anytime soon, even as a ridge of high pressure moves across the northern plains. Ketcham The cooler than normal temp trend will continue for most of the mid week. Cold front that came through early this morning currently stretches from eastern MO to near the Red River.
230 PM PST Sun Nov 5 2017 A weak trough may bring patchy light rain or sprinkles along and west of the mountains late tonight and Monday morning.
649 PM EST Sun Nov 5 2017 Strong cold front will move across northern Ohio and northwestern Pennsylvania tonight. High pressure will build over the region from the northwest and north most of the week. Cold front located from eastern Michigan to central Indiana will continue to move eastward through the night. The showers will end from west to east early Monday as high pressure builds into the area from the northern plains. It will be cooler on Monday with highs within a couple degrees of 50.
713 PM EST Sun Nov 5 2017 Low pressure will ripple along a cold front as they push southeast across the region tonight. Clouds and a few lingering showers are expected on Monday along with cooler temperatures.
528 PM EST Sun Nov 5 2017 Weak high pressure will hold over the region through Monday.
848 PM EST Sun Nov 5 2017 Strong cold front will move across northern Ohio and northwestern Pennsylvania tonight. High pressure will build over the region from the northwest and north most of the week. Cold front located from eastern Michigan to central Indiana will continue to move eastward through the night. The showers will end from west to east early Monday as high pressure builds into the area from the northern plains. It will be cooler on Monday with highs within a couple degrees of 50.
Dewpoints are in the low to mid 60s across the region.
857 PM EST Sun Nov 5 2017 Upper trough in the westerlies now overlies the nearly stationary complex low to mid tropospheric trough once in the easterlies, all stacked across the northwest Bahamas through the Straits of Florida. While a weak trough across the Bahamas gradually dissipates, weak high pressure over the northern Gulf and Florida Peninsula will maintain light to gentle northeast breezes near and north of the Keys, and occasionally moderate over the open Straits.
602 PM CST Sun Nov 5 2017 The cold front just entering north Arkansas will slowly move through the state tonight and Monday.
945 PM CST Sun Nov 5 2017 This evening surface analysis showed the ridge across Georgia and north Florida to southeast Louisiana/extreme north central Gulf. This feature has provided some wind speed to the lower level wind profile over the forecast area and deepened the moisture. Expecting a repeat of fog development especially areas closer to the ridge.
Highs in the lower 80s near the east coast to mid 80s interior.
9pm Update: Minor adjustments to sky and temperature for the current trends, other forecast remains on track with the upper trough firmly in place over the region. Proton Previous Discussion: The broad Canada upper-level trough extends a wave southwest into the Pac-NW this evening, producing a moderate winter storm and frontal boundary that crosses the Divide tonight. Monday, the east-west oriented upper trough axis moves through Montana and pushes the moisture to the south, ending snow chances by mid-day over the forecast area.
554 PM CST Sun Nov 5 2017 00z TAF Cycle: VFR conditions are expected to deteriorate over the evening as low stratus develops behind a backdoor cold front while it slides slowly from northeast to southwest. /Issued 444 PM CST Sun Nov 5 2017/ The backdoor cold front and associated low level clouds played havoc with temperatures today across the central and eastern Oklahoma Panhandle as well as the far northeast Texas Panhandle. Max temperature forecasts will be a headache again on Monday and very heavily dependent on where the cold front ends up.
Proton Previous Discussion: The broad Canada upper-level trough extends a wave southwest into the Pac-NW this evening, producing a moderate winter storm and frontal boundary that crosses the Divide tonight. Monday, the east-west oriented upper trough axis moves through Montana and pushes the moisture to the south, ending snow chances by mid-day over the forecast area.
704 PM EST Sun Nov 5 2017 A warm southerly flow tonight ahead of an approaching cold front from the west. The cold front will move across the region Monday.
Temperatures will fall into the lower/mid 60s. Scattered showers will continue offshore near influence of inverted trough well offshore.
Precip type is tricky as models are suggesting rain, but temperatures are below freezing as of 2 pm at Glendive, so some ice pellets or sleet is possible here.
A mid level trough will continue to work towards the region through the overnight hours. The chance of showers will continue on Tuesday as the trough continues to move closer to the area. /issued 658 PM EST Mon Jan 8 2018/ An approaching low pressure system is spreading cloud cover and increasing instability across the area. /issued 342 PM EST Mon Jan 8 2018/ The short term forecast still remains rather uncertain as a mid level trough moves southeastward from the northern Gulf of Mexico. The ECMWF continues to bring the area of low pressure across the southern tip of the peninsula.
/issued 248 PM CST Mon Jan 8 2018/ The upper level ridge over the western US will begin to break down today and move east. A progressive upper level low currently in the eastern Pacific will be the next source for eventful West Texas weather. This system will initially induce surface lee cyclogenesis/troughing on Tuesday afternoon.
MVFR to IFR ceilings to prevail this evening and overnight with the wrap around low clouds on the west side of the sfc and upper level low off the SE LA/MS coast. Temperatures tonight, while cooler than this morning, will remain above seasonal normals. Highs TUE to remain near seasonal underneath plenty of cloud cover despite weak ridging beginning to build in aloft, with increasing breaks in the cloud cover permitting a greater warmup for WED. Upper trof approaching from the west will send a strong CDFNT through the area late THU into THU night, with decent rain chances accompanying the FROPA and a much colder airmass pushing in behind it. 13 Modest northwest winds will continue tonight before subsiding Tuesday as high pressure builds into the area.