Aikyam-Lab/Synoptic-Bench huggingface dataset:
Currently - A prefrontal trough, associated with a mid latitude low centered near the Great Lakes is steadily pivoting eastward through the Keys late this evening. However, this has not been able to effectively overcome localized diffluence through the lowest layers and a lack of deep layered moisture. This is likely the leading edge of the cold front. Short Term Update - The previously mentioned cold front is expected to advance through the Keys through the overnight period. Expect overnight lows in the lower to mid 70s. A cold front will push through Keys waters through the overnight period. With that said, the passage of a cold front will likely result in periods of low VFR ceilings and spells of high MVFR ceilings cannot be ruled out.
611 PM CDT Thu Apr 11 2024 Gusty NW winds have accompanied an otherwise nice day across the area today as dry air advects across the region on northwesterly flow behind a potent upper trough moving east of the lower MS Valley.
616 PM CDT Thu Apr 11 2024 (This evening through Friday) Current water vapor imagery shows the upper level trough tracking through the mid-Atlantic and Ohio River valley this afternoon. As this continues to lift northeastward, northwest flow aloft will begin to flatten as an upper level ridge tracks in from the west. These breezy southwest winds will help boost high temperatures tomorrow into the low to mid 80s across the region.
(This afternoon through Friday) 500mb longwave trough moving through the Gulf States this afternoon. At the surface, low pressure stretches from the Ohio Valley back to northern MS/AL. The low will continue to push off to the NE through the period dragging a cold front through the CWA.
5 inches of rain with the front with the highest totals over eastern Indiana and southwest Ohio. Highs will top out from the lower 50s northeast to the upper 50s southwest.
603 PM CDT Thu Apr 11 2024 (Tonight through Friday night) The deterministic NWP model runs predict a slow progressive upper pattern, with an upper trough axis moving eastward over the northeastern CONUS, while an upper ridge approaches the central CONUS, during the period.
600 PM CDT Thu Apr 11 2024 - Near-record to record high temperatures over the weekend with highs into the lower 90s across at least the southern third of the DDC forecast area.
1053 PM EDT Thu Apr 11 2024 A couple of cold fronts will move across central NC tonight. High pressure will follow and build across and offshore the Southeast through the weekend. Outside of convection, strong swly gusts of up to 20 to 30 mph will persist ahead of an approaching cold front currently traversing the mountains. The cold front will sweep across central NC later tonight, behind which sfc flow will quickly turn wly and continue to gust into Friday morning. The strong trough over the Great Lakes region will track up into the northern Mid-Atlantic. Ridging will build into the midsection of the country come Sat morning. Highs will look to top out near normal in the low to perhaps mid 70s (highest in our SE zones).
Its ridge axis will shift eastward over the CWA overnight tonight and will help keep winds light & variable through the early morning hours Friday. Temperatures in most locations will gradually drop into the lower 40s, though portions of far northeast OK and far northwest AR may drop into the mid-upper 30s just before sunrise.
617 PM CDT Thu Apr 11 2024 (Rest of today through Friday) Showers with a few embedded thunderstorms continue to push generally northeastward as surface frontal system pushes through mid state region with broad upper level low pressure center influences starting to move across TN River Valley Region as the noontime hour approaches. Lows tonight will fall closer to seasonal normal values with highs on Friday as skies continue to clear and ridging influences building in from the west result in highs now a few degrees below seasonal normal values, generally spanning the 60s.
739 PM EDT Thu Apr 11 2024 Due to passing strong low pressure, showers and thunderstorms are likely through tonight and pose a risk for flooding and a limited tornado threat. Showers and isolated thunderstorms will continue Friday amid cooler temperature while area wind remains gusty. The severe threat is likely to diminish by 01z with the flood threat lingering longer into the night before rainfall rates and banding shift east with the passage of the cold front.
1107 PM CDT Thu Apr 11 2024 Gusty NW winds have accompanied an otherwise nice day across the area today as dry air advects across the region on northwesterly flow behind a potent upper trough moving east of the lower MS Valley.
Temperatures will remain above-normal for the next few days underneath a ridge of high pressure. Temperatures will trend lower over the weekend with an approaching area of low pressure, which will also bring an increase in winds area wide as well as some showers to the higher elevations of Inyo County, Esmeralda and Nye counties. South winds begins to increase Friday ahead of a large closed low digging off the Pacific Northwest Coast.
Current surface analysis shows weak high pressure now centered over central portions of the Dakotas and NE. A trough is located along the lee of the Rockies, with a tighter pressure gradient to the east across the western high plains. Upper level analysis shows ridge axis now over eastern portions of the Great Basin into the Rockies. Ridge will continue to progress eastward across the Rockies and over the Plains over the next few days, bringing the warmest weather of the season so far.
The full effects of the front have yet to be seen as dew points are still in the lower 70s. As a high pressure fills in behind the front, winds will quickly clock around the northeast. The aforementioned high pressure will slide east and eventually settle across the western North Atlantic.
Winds are tapering down some from earlier, but surface pressure gradients are not expected to fully relax until Friday night when the high pressure ridge settles in over the Deep South. However, much cooler air is filtering in behind the front. Overnight lows are expected to be around 15 degrees cooler than last night. The trough will swing through the northern half of the state through the late afternoon and into the early evening, with light scattered showers accompanying the trough. Behind the trough, northwesterly flow will bring cool and drier air, with clouds clearing slowly from west to east beginning in the early evening.
125 AM EDT Fri Apr 12 2024 The cold front itself is just beginning to work its way into far northwestern portions of the area, with a line of generally weak showers being observed along the prefrontal trough, which is currently bisecting central Lake O from SW-NE. (Rest of today through Friday) A cold front is currently making its way down along the Florida peninsula, with a robust line of convection currently impacting north/central FL. With breezy southerly to southwesterly winds prevailing today, expect high temperatures to reach the lower 90s across much of South FL. Conditions will be more seasonable tomorrow, with highs in the low-mid 80s.
Following a series of cold fronts moving through the area this morning, high pressure will build into the region through the weekend. Another windy day with widely scattered afternoon/evening A deepening low pressure system currently over the eastern Great Lakes will lift north into southern Ontario and Quebec during the afternoon and evening.
1237 AM CDT Fri Apr 12 2024 (Tonight through Friday night) The deterministic NWP model runs predict a slow progressive upper pattern, with an upper trough axis moving eastward over the northeastern CONUS, while an upper ridge approaches the central CONUS, during the period.
Discussion: In the upper levels, a deep trough is over the Eastern U. Thunder potential is fairly low this afternoon with dew points in the lower 40s. Temps today will be cooler since a cold front just moved through and cloud cover is expected this afternoon for much of the region. Tonight, the trough will move east and high pressure moves into the Southeast.
While it has looked like we'd be done for several days starting right now, several models are suggesting one more round of storms for the Cumberland Plateau today as an additional impulse swings around the west side of yesterday's upper low pressure system.
(Today) High pressure will reign supreme across eastern Oklahoma and western Arkansas today with sunny skies, relatively light winds, and high temperatures in the 70s the result.
155 AM EDT Fri Apr 12 2024 A couple of cold fronts will move across central NC tonight. High pressure will follow and build across and offshore the Southeast through the weekend. Outside of convection, strong swly gusts of up to 20 to 30 mph will persist ahead of an approaching cold front currently traversing the mountains. The cold front will sweep across central NC later tonight, behind which sfc flow will quickly turn wly and continue to gust into Friday morning. The strong trough over the Great Lakes region will track up into the northern Mid-Atlantic. Ridging will build into the midsection of the country come Sat morning. Highs will look to top out near normal in the low to perhaps mid 70s (highest in our SE zones).
1100 PM CDT Thu Apr 11 2024 - Near-record to record high temperatures over the weekend with highs into the lower 90s across at least the southern third of the DDC forecast area.
1204 AM CDT Fri Apr 12 2024 (This evening through Friday night) Upper level ridging is starting to take shape over the western CONUS this afternoon, and will transition eastward toward the Plains by tomorrow.
(Today) Today we will finally see the end of our gloomy week as the low pressure system supporting prolonged overcast and rainy conditions has pushed NE into New England. In its wake, surface and mid level high pressure look to build in from the SW throughout the day today. With low pressure out our NE and high pressure to our SW, we will be in the middle of a tighter pressure gradient supporting one more day of gusty winds.
(Today and tonight) High pressure continues to build across the area today, continuing the warming trend that is expected to continue for the next few days.
447 AM EDT Fri Apr 12 2024 Light rain showers will continue throughout the day as low pressure exits to the east and a large upper level wave crosses the region.
Winds will stay up tonight and allow low temperatures to average ten degrees or so warmer than those this morning.
As we head into the mid week, the mean ridge axis will start to shift to the east.
The upper ridge currently over the Four Corners region will move overhead by this afternoon and, along with strong southerly surface winds, will allow highs to warm into the low to mid 80s, roughly 10 degrees over yesterday's highs.
1202 AM CDT Fri Apr 12 2024 (This evening through Friday) Current water vapor imagery shows the upper level trough tracking through the mid-Atlantic and Ohio River valley this afternoon. As this continues to lift northeastward, northwest flow aloft will begin to flatten as an upper level ridge tracks in from the west. These breezy southwest winds will help boost high temperatures tomorrow into the low to mid 80s across the region.
High pressure will otherwise build across and offshore the Southeast through the weekend. Another windy day with widely scattered afternoon/evening A deepening low pressure system currently over the eastern Great Lakes will lift north into southern Ontario and Quebec during the afternoon and evening. High pressure over the Southern US Plains will build eastward into the SE US late tonight and Saturday. High temperatures will be near normal in the low to mid 70s, with lows in the mid to upper 40s.
The cool-down is underway starting today and into the weekend as amplified upper level trough with the prominent closed low diving south within the base of the trough influencing our weather for the next few days.
Dry conditions under clear skies can also be expected through the near term forecast period with high temperatures in the lower to middle 70s today, warming into the upper 70s to around 80 degrees on Saturday. Lows should drop into the middle 40s in interior southeast Mississippi and southwest Alabama, to the lower 50s along the coast.
624 AM CDT Fri Apr 12 2024 (Today) Today we will finally see the end of our gloomy week as the low pressure system supporting prolonged overcast and rainy conditions has pushed NE into New England. In its wake, surface and mid level high pressure look to build in from the SW throughout the day today. With low pressure out our NE and high pressure to our SW, we will be in the middle of a tighter pressure gradient supporting one more day of gusty winds.
607 AM CDT Fri Apr 12 2024 Dry and cool weather will prevail through the weekend as upper level ridging dominates.
834 AM MDT Fri Apr 12 2024 Satellite imagery this morning shows mid to higher level clouds streaming across N-central MT in westerly flow aloft over a broad upper level ridge. This area of mid level moisture/clouds and even a few sprinkles should gradually lift north by this afternoon as the upper ridge amplifies some.
Cooler temperatures and gusty winds expected through the weekend.
Overnight lows should fall into the 60s across much of Deep South Texas, except for the low 70s along the coast.
High pressure has begun to build in at the surface, but winds remain from the southwest aloft as we are still on the southern periphery of the trough that brought this morning's front through. Breezes will slacken briefly later this afternoon and begin to clock around to the northeast as high pressure quickly slides eastward. Thereafter, the high will slide into the western Atlantic and remain through the remainder of the forecast period with peaks and lulls expected.
707 AM EDT Fri Apr 12 2024 (Today through Saturday) Models push a trough/low complex into the Great Lakes region today, while an associated frontal boundary drifts southward across the southern half of the Florida peninsula. Then, high pressure quickly follows in the wake of the FROPA and ushers drier air from the north. North-northwesterly winds will remain around 10 mph by this afternoon, helping in keeping afternoon highs in the low-mid 80s. For Saturday, models intensify and expand the high pressure cell over the SE CONUS and into the state, with SoFlo in the southwest periphery of the high. This will again help in keeping afternoon temps in the lower temps across much of SoFlo.
Warmer than average temperatures continue today, with high temperatures still reaching 10 to 20 degrees above normal. Another disturbance moves through Central California later today through the weekend that will result in cooler temperatures and a chance for precipitation. While afternoon temperatures will continue to reach into the 80s today, widespread precipitation and cooler conditions will be noted on Saturday. Ahead of the change in the weather, winds will show a increase in speeds across Central California as the influence of the upper low (disturbance) nears the California Coast. The upper low is expected to make landfall on Saturday as unsettled weather returns to Central California. High-Res ensemble upper -air analysis this shows the landfall of the upper low reaching the California Coast by Saturday.
521 AM CDT Fri Apr 12 2024 (Today through Saturday) The upper low has worked its way to our east and skies have cleared across the area. As we move through the day the low will continue to move away, but gradient winds will remain high through much of the afternoon, before decreasing near sunset. A much calmer day on Saturday in regards to the wind as high pressure builds in. Overnight lows with clear skies will be in the low 40s. Highs on Saturday will be warmer with readings in the upper 70s to low 70s.
Following a series of cold fronts moving through the area this morning, high pressure will build into the region through the weekend. Another windy day with widely scattered afternoon/evening A deepening low pressure system currently over the eastern Great Lakes will lift north into southern Ontario and Quebec during the afternoon and evening. High pressure over the Southern US Plains will build eastward into the SE US late tonight and Saturday. High temperatures will be near normal in the low to mid 70s, with lows in the mid to upper 40s.
620 AM CDT Fri Apr 12 2024 (Today through Saturday) Weak ridging aloft will be in place today and flatten to more of zonal flow on Saturday. High temperatures today are forecast to range from the low 80s from the Coastal Plains into the Hill Country, and mid to upper 80s along the Rio Grande.
Weak high pressure will begin to build over the region on Friday and last throughout the weekend.
613 AM CDT Fri Apr 12 2024 (Today) High pressure will reign supreme across eastern Oklahoma and western Arkansas today with sunny skies, relatively light winds, and high temperatures in the 70s the result.
One more day of well-above-average temperatures expected today before an approaching area of low pressure drops temperatures back to below-average this weekend and into the start of the work week.
400 AM PDT Fri Apr 12 2024 Today will be a little cooler than yesterday, and be followed be even greater cooling over the weekend as a trough moves across the region. This trough will bring gusty winds and light showers at time. The highest amounts will be in San Bernardino and Orange County with lighter amounts in southern San Diego County.
This is due to surface ridging gradually transiting across the area and settling in by this afternoon, allowing for calmer winds (5-10 mph) after a few blustery days. This is due to robust troughing that makes its way across the Intermountain West, re-emerging across the southern Great Plains and creating a more significant severe weather threat across Central Oklahoma.
630 AM CDT Fri Apr 12 2024 (Today through Saturday) Mid-level low shifts eastward today allowing ridging to build in. At the surface, ridging will be shifting east of the area bringing a return to steady onshore flow, and as a result an increase in low level moisture. In addition to gusty winds today, will see them again tomorrow as low pressure strengthens to the west. Temperatures today will be near normal with highs mainly from the upper 80s west to the lower 80s east. Tomorrow looks a degree or two warmer.
1012 AM EDT Fri Apr 12 2024 Light rain showers will continue throughout the day as low pressure exits to the east and a large upper level wave crosses the region. Much cooler air will settle in today and remain through Saturday. Gusts >40 mph may bring trees down given the highly saturated ground. The trough axis stretching south of the low will push through the region this afternoon. Colder air will overspread the region throughout the day, with the coldest reaching the area this afternoon with the trough axis.
The lead up to the weekend will be characterized by an upper trough over the Great Lakes region with an amplified ridge moving into the Rockies. At the surface, high pressure will move move W to E along the Nrn Gulf Coast. Winds will switch to the SW on Saturday as high pressure slides Ewrd towards FL. By Saturday, the upper ridge will move into the plains states.
Dry and cool weather will prevail through the weekend as upper level ridging dominates.
507 AM CDT Fri Apr 12 2024 (Today through Saturday Night) We're starting off Friday on a chilly note with widespread temperatures this morning ranging from the low to mid 50s with some spots in the Piney Woods down in the upper 40s. Drier air remains in place this afternoon though and pairs with ridging aloft returning. Might have some decent sunset picture opportunities today! On Saturday, 500mb heights will have risen to 586-590 dam by the afternoon with ridging aloft still in place. Expect widespread high temperatures in the low 80s. Low temperatures on Saturday night will only bottom out in the low to mid 60s.
555 AM CDT Fri Apr 12 2024 (Today and tonight) High pressure continues to build across the area today, continuing the warming trend that is expected to continue for the next few days.
253 AM PDT Fri Apr 12 2024 A transition to a more active pattern is expected this weekend as a low pressure system slowly tracks across the Sierra and western Nevada. An incoming spring low pressure system will slowly meander across the Sierra and Great Basin this weekend leading to periods of gusty winds, mountain snow and valley rain showers along with scattered thunderstorm chances. Wind: * South-southwest winds will be on the increase this morning as the low nudges inland with wind gusts of 60-80 mph materializing along the Sierra crest. For the lower valleys today expect widespread S-SW wind gusts of 30-40 mph before stronger S-SE winds develop Saturday afternoon along Mineral, Pershing, and portions of S. * Saturday: Precipitation chances increase on Saturday as the core of the low moves inland.
Current surface analysis shows weak high pressure now centered over central portions of the Dakotas and NE. A trough is located along the lee of the Rockies, with a tighter pressure gradient to the east across the western high plains. Upper level analysis shows ridge axis now over eastern portions of the Great Basin into the Rockies. Ridge will continue to progress eastward across the Rockies and over the Plains over the next few days, bringing the warmest weather of the season so far. A weak cool front/trough crosses the area on Saturday, bringing a wind shift and at least marginally breezy conditions. The trough and weak energy aloft could be enough to trigger isolated showers and thunderstorms over at least the Black Hills in the afternoon, with MUCAPE values up to around 500 j/kg progged for the area.
227 PM EDT Fri Apr 12 2024 -Windy & cooler through Saturday with frequent gusts 40+ mph -Snow accumulation tonight-Saturday A.
(Tonight through Saturday night) High clouds will continue to move in from the west tonight as the mid and upper level ridging in place begins to flatten. Expect warmer and more uniform overnight lows ranging from the mid 50s to the mid 60s. Highs on Saturday will ease up a degree or two compared to today, with readings mainly in the lower 80s to lower 90s.
Upper level ridge continues to shift east today with WAA ongoing. Mean ridging expected through the weekend, supporting very warm temps, with the warmest day being Sat when widespread 80s are expected for highs.
223 PM CDT Fri Apr 12 2024 (Today through Saturday) Weak ridging aloft will be in place today and flatten to more of zonal flow on Saturday. High temperatures today are forecast to range from the low 80s from the Coastal Plains into the Hill Country, and mid to upper 80s along the Rio Grande.
337 PM EDT Fri Apr 12 2024 Low pressure with a cold frontal boundary will gradually shift northeast of the area Saturday bringing one final round of rain and snow showers.
327 PM EDT Fri Apr 12 2024 -Windy & cooler through Saturday with frequent gusts 40+ mph -Snow accumulation tonight-Saturday A.
138 PM EDT Fri Apr 12 2024 -Windy & cooler through Saturday with frequent gusts 40+ mph -Snow accumulation tonight-Saturday A.
1149 AM CDT Fri Apr 12 2024 (Rest of Today) A closed mid/upper-level cyclone will lift east-northeastward from the Lower Great Lakes over the course of the day, with a well-defined vort max peripheral to the low (evident in current water vapor satellite data) currently digging southeastward from the Lower OH Valley.
An upper-level ridge was building in from the west. This combination of strong southerly flow and the warming airmass under the strengthening upper- level ridge should remain in place through Saturday. Given the warmer airmass, low temperatures should only fall into the upper 50s to around 60, which is quite a bit warmer than the past couple of nights, while highs will be in the mid to upper 80s once again.