Aikyam-Lab/Synoptic-Bench huggingface dataset:
1056 PM CDT Sat Oct 29 2022 (This evening through Sunday) Scattered showers continue to push east to west across mainly central/eastern portions of the area on the backside of the closed low centered across the Arklatex region. Highs will be a bit cooler across northern and eastern Oklahoma under cloud cover tomorrow, in the mid 60s, while much of the rest of the area will see temperatures reach near 70 degrees.
(Tonight through Monday night) Mid-afternoon sfc analysis shows our pesky low pressure center continuing to push slowly nnwed over nrn LA, with a trailing frontal boundary now east of the forecast area with wrly winds in place at all ob locations.
1103 PM MDT Sat Oct 29 2022 Water vapor imagery showing weak upper level trof moving through Colorado tonight. Can't rule out a few light showers over the higher peaks tonight and possibly again Sunday afternoon as the orographic flow shifts to a more conducive northwest. Generally warmer overnight lows tonight, especially in the mountains with more cloud cover. Storm track remains well to our north into Canada, with a weak closed low over Arkansas and light southwesterly flow aloft. Marginally higher moisture may allow for an isolated flurry for southern portions of the high country but it'll be another dry day in general. Models show weak troughing to the east through southwest of the CWA Sunday night into Monday morning.
There could be short and isolated periods of very light rain over north central Oklahoma as the large upper low continues its slow path from northwester Arkansas into northern Missouri today. A broad, weak trough will remain over the central plains and into Oklahoma tonight, so mid and high clouds may linger in some areas, but the rain should be well east of Oklahoma by then.
the upper low was centered over Northwest Arkansas with precipitable water values in excess of 1 inch wrapping around the low. The bulk of the activity was along the northeast quadrant of the low. the upper low is progged to continue its track north-northeast into Southern Missouri by Sunday morning. With the movement of the low. Mostly cloudy skies and moisture wrapping around the low should help to keep temps and dewpoints from falling to far overnight. have added minor adjustments to PoPs based on the movement of the low and current radar trends.
(Tonight through Monday night) A look at water vapor imagery this morning reveals an upper level low lifting towards the Midwest as our next upper level trough begins to dive south along the west coast. At the surface, high pressure will remain in control of the region today leading to a pleasant day with highs in the upper 70s to low 80s. High pressure will nudge east overnight allowing for onshore to return.
Discussion: A closed upper low to our west will open up and lift slowly northeast during the period. It continues to look like the winds in the higher elevations/foothills of the eastern TN mountains may gust to above 30 mph at times in the usual locations that are favored in these downslope flow situations, but it does not look like enough mountain wave enhancement will occur to require a wind advisory.
By Monday morning, a ridge of high pressure will have built in across the Great Basin and into eastern Utah and western Colorado, maintaining the northwest flow aloft and bringing clear skies. Models were in good agreement during the earliest portion of the medium range forecast period beginning with a low amplitude mid- level ridge over the Rockies on Monday.
and Monday High pressure was still ridged across the forecast area early this morning. Low pressure over southern MO was spreading high clouds as far north as central WI. Low pressure will continue to drift north through MO and southern IL, with associated mid/high clouds spreading across all but far north central WI by the end of the day.
1156 PM CDT Sat Oct 29 2022 (Tonight) An upper level low was located over central AR this evening and will move slowly northward into southern MO by Sunday morning. (Sunday through Monday night) The trough will broaden quite a bit on Sunday and the cold front will generally stall to our west during the day.
1210 AM CDT Sun Oct 30 2022 (This evening through Sunday) Today's splendid fall weather continues uninterrupted through Sunday as broad surface ridging remains over much of the region. A few errant low and mid clouds off the Caprock in the wake of yesterday's upper low will clear out completely this evening making for crystal clear skies and ideal sky gazing. NBM's cooler lows look good in this setup.
An upper level trough will lift from the middle Mississippi Valley into the Great Lakes today through Monday.
(Today) Early morning satellite imagery shows dense stratus clouds covering much of the southeastern states as moisture wraps around a stacked low pressure system.
1235 AM CDT Sun Oct 30 2022 (This afternoon through Sunday Night) It was another nice day with partly sunny skies and temps mainly in the lower 70s. A low pressure system over Arkansas will move northeast to the Ohio Valley over the next couple of days, spinning a swath of deep moisture into the Mid State. Although deep moisture will be available for a time, lift is mediocre and instability is on the low side.
222 AM EDT Sun Oct 30 2022 A large area of high pressure will keep dry and seasonable weather going for the balance of the weekend. High pressure returns in mid-week and we go back to a very dry pattern. High pressure ridge over the state will ensure fair and chilly conditions for the rest of the night. Otherwise, mainly clear skies, dry air and calm winds should allow readings to continue falling, with lows ranging from the upper 20s to low 30s in most locations, but as cold as the low 20s in the coldest valleys of north-central Pa. Surface ridging and associated low-pwat air mass will ensure fair and seasonable weather later today.
203 AM MDT Sun Oct 30 2022 Latest upper air analysis shows a closed low moving northeast over the Mississippi River Valley. Behind the closed low very dry air was present over the Plains. A band of higher water vapor was present west of the High Plains over the Central Rockies. There will be weak CAA, which will cause highs to be a few degrees cooler than yesterday. Monday and Monday night the south winds will allow WAA to return, causing highs and lows to be warmer.
Low pressure continues to eject northeastward toward Lake Michigan on Monday. Should see high temperatures in the low to mid 70s in most areas today, and with less cloud cover Monday, should push closer to 80 degrees.
Upper low noted on 08z/3am water vapor imagery over southern Missouri will slowly pivot northeastward across Illinois over the next 24 to 36 hours. Scattered showers will continue through midday Monday before the low departs into the Great Lakes and conditions dry out just in time for Halloween activities Monday evening.
405 AM EDT Sun Oct 30 2022 Weakening low pressure will move from the mid South into the lower Great Lakes today into Monday.
1035 PM MDT Sat Oct 29 2022 Overview: An upper level low. high temperatures should be ~4-7F cooler than today.
312 AM CDT Sun Oct 30 2022 Weak trough has passed and weak cold advection this morning will only serve to enhance mixing with westerly low level flow. Low level flow becomes more south southwesterly for Monday which will result in a bit warmer temperatures compared to today.
107 AM EDT Sun Oct 30 2022 A large area of high pressure will keep dry and seasonable weather going for the balance of the weekend. High pressure returns in mid-week and we go back to a very dry pattern. Lows by daybreak will range from the upper 20s-mid 30s, with some of our normally colder spots perhaps down in the low-mid 20s. We should see filtered sunshine through high level cloudiness, with afternoon highs ranging from the mid 50s over the higher terrain, to the lower 60s across much of the Susquehanna Valley.
However, this line of convection has really started to slow down over the past hour or so as the low- level flow out of the south parallels to the boundary. The good news is the environment will be less favorable for severe storms as the low-level jet shifts east of the area and the surface-based warm sector becomes increasingly narrow and confined to the open waters.
Overnight temperatures are still forecast to be a few degrees below average due to the light winds and dry conditions, with below freezing temperatures anticipated in the high country and across the Navajo Nation. Under a dry air mass mainly clear skies the remainder of today and on Monday but the passing trough will bring a few high and mid level clouds to the area Sunday into Sunday night.
1213 AM EDT Sun Oct 30 2022 Dry weather with high pressure will persist through the weekend.
An U/L ridge will build over the Florida peninsula during the early/mid week period with increasing large scale subsidence over the region. High pressure will hold over the waters through the period with a relatively weak pressure gradient across the region.
228 AM CDT Sun Oct 30 2022 Key Messages: - Increasing clouds today, precipitation chances skirt southeast - Warming through the new work week - Precipitation possibilities latter half of the week Clouds and Precipitation Today: Satellite imagery shows increased water vapor near the Lower Mississippi River Valley associated with a closed low advecting northeastward. The closed low's attendant deformation zone is expected to remain to our southeast with mid to high clouds spreading north throughout the day. Into midweek, upper level heights continue to build over the forecast area as a longer wave trough digs across the West Coast. Temperatures will be anomalous through midweek, reaching the low 70s for some, but not expected to be record breaking.
348 AM EDT Sun Oct 30 2022 Dry and tranquil weather conditions will continue through Sunday with a high pressure system overhead.
The surface trof is passing I-29 at this time, per the wind shift to the northwest. Meanwhile, a sfc trof will slowly advect east over the CWA and into MN tonight. Behind the trof sfc winds will go light, which should allow for some cold air drainage over favored low spots, leading to lows perhaps cooler than model blend.
/Issued 1220 AM CDT Sun Oct 30 2022/ /Through Monday/ Low clouds continue to thin as our late-week low pressure system slowly vacates the region to the northeast. A plume of cirrus will arrive later this evening within strengthening subtropical westerlies as another progressive trough materializes on the heels of the departing system. If the cirrus shield is less dense than anticipated, then some patchy fog is a possibility across parts of Central and East Texas, especially in the low-lying river valleys.
1046 AM EDT Sun Oct 30 2022 Weakening low pressure will move from the mid South into the lower Great Lakes today into Monday.
Dry and quiet weather continues through Monday as high pressure remains over the region. A low pressure systems brings a mix of rain and snow to northern and central Nevada during the middle of the week, but things look like they could dry out again by the end of the week. Today through Monday night High pressure over the region continues to keep our weather quiet and dry with afternoon highs today mainly in the mid to upper 50s and lows dropping into the mid to upper 20s. During the daytime on Halloween, highs trend just a bit warm in the low 60s with temperatures falling relatively quick after the sun goes down and eventually reaching the low to mid 30s.
834 AM EDT Sun Oct 30 2022 Dry weather will continue today under weakening high pressure.
523 AM MDT Sun Oct 30 2022 Near zonal flow will remain in place through mid week as a deep upper trough digs into the Pac NW.
338 AM MDT Sun Oct 30 2022 Key Message 1) Isolated snow showers across the higher terrain. 2) Pattern change is expected mid week and onward, with increased precipitation chances and cooler temperatures.
(Rest of Today) An upper level closed low is currently spinning to the northwest across the Ozarks. Water vapor imagery indicates dry mid to upper level air wrapping around the southern periphery of the upper low. At the surface, a low pressure is centered across the Ozarks with a cold front extended to southeast. This cold front is moving into northwest Alabama and will slowly move across the forecast area throughout the day. With the moisture being limited to the low-levels, any precipitation amounts today will be light and forecasting less than a tenth of an inch. Clouds will linger throughout the day with highs today only climbing into the low to mid 60s.
617 AM CDT Sun Oct 30 2022 (Today) Early morning satellite imagery shows dense stratus clouds covering much of the southeastern states as moisture wraps around a stacked low pressure system.
303 AM MDT Sun Oct 30 2022 A weak upper level trough will affect the area today. There is a decent amount of mid and upper level moisture with this feature, however, the lower levels are rather dry. Overall can't rule out a few light snow showers over the higher peaks so have included some very low pops. Otherwise expect quite a bit of cloudiness as the trough moves across. Meanwhile higher level cloud cover could alter highs over nern CO as readings may be slightly cooler than yesterday.
620 AM CDT Sun Oct 30 2022 (Tonight through Monday night) A look at water vapor imagery this morning reveals an upper level low lifting towards the Midwest as our next upper level trough begins to dive south along the west coast. At the surface, high pressure will remain in control of the region today leading to a pleasant day with highs in the upper 70s to low 80s. High pressure will nudge east overnight allowing for onshore to return.
Temperatures will be slightly warmer today under a passing ridge. A strong cold front will move across the area late Monday, ushering in much colder temperatures, rain and mountain snow, and occasionally gusty winds. A passing ridge of high pressure will warm temperatures a few degrees higher than yesterday. A strong, well defined cold front will arrive Monday night as a trough begins digging in from the north.
This has resulted in slightly warmer overnight temperatures in the mid-to-upper 30s compared to this time yesterday, at least for southeast WY. Monday will be slightly warmer by a few degrees with mostly sunny skies persisting.
609 AM CDT Sun Oct 30 2022 Weak trough has passed and weak cold advection this morning will only serve to enhance mixing with westerly low level flow. Low level flow becomes more south southwesterly for Monday which will result in a bit warmer temperatures compared to today.
504 AM CDT Sun Oct 30 2022 Key Messages: - Increasing clouds today, precipitation chances skirt southeast - Warming through the new work week - Precipitation possibilities latter half of the week Clouds and Precipitation Today: Satellite imagery shows increased water vapor near the Lower Mississippi River Valley associated with a closed low advecting northeastward. The closed low's attendant deformation zone is expected to remain to our southeast with mid to high clouds spreading north throughout the day. Into midweek, upper level heights continue to build over the forecast area as a longer wave trough digs across the West Coast. Temperatures will be anomalous through midweek, reaching the low 70s for some, but not expected to be record breaking.
Better rain chances are expected tonight when the low- level jet axis shifts across the forecast area with better low- level convergence. Discussion: A closed upper low to our west will open up and lift slowly northeast during the period. It continues to look like the winds in the higher elevations/foothills of the eastern TN mountains may gust to above 30 mph at times in the usual locations that are favored in these downslope flow situations, but it does not look like enough mountain wave enhancement will occur to require a wind advisory.
233 AM PDT Sun Oct 30 2022 Weak ridging aloft, combined with weak offshore flow will continue dry and mild weather through Monday.
650 AM EDT Sun Oct 30 2022 Weakening low pressure will move from the mid South into the lower Great Lakes today into Monday.
Also a slight northward trend with the low level convergence was noted.
703 AM EDT Sun Oct 30 2022 A large area of high pressure will keep dry and seasonable weather going for the balance of the weekend. High pressure returns in mid-week and we go back to a very dry pattern. Surface ridging will ensure fair and seasonable weather today across central Pa.
618 AM CDT Sun Oct 30 2022 (Today and tonight) Upper level flow has become more zonal in the wake of the departing upper low, resulting in a period of continuing quiet weather. Light winds will continue into tonight, with persisting high cloudiness keeping overnight temperatures a tad warmer than last night with lows mainly in the mid 40s.
715 AM EDT Sun Oct 30 2022 (Today through Monday) Low pressure over the Missouri Valley will weaken while moving into the great lakes, as low pressure over the high pressure builds into the Southeastern United States.
Expect a couple more days of dry conditions under a flat upper level high pressure ridge.
These showers are associated with a surge in moisture moving southwest along the southern periphery of a large high pressure along the East Coast. Said high pressure is also maintaining our northeast to east winds across the island chain. Lastly, temperatures across the Keys are near 80 with dew points in the lower 70s. Otherwise, temperatures will warm into the mid to upper 80s once again with dew points holding in the lower to mid 70s.
532 AM MDT Sun Oct 30 2022 Latest upper air analysis shows a closed low moving northeast over the Mississippi River Valley. Behind the closed low very dry air was present over the Plains. A band of higher water vapor was present west of the High Plains over the Central Rockies. There will be weak CAA, which will cause highs to be a few degrees cooler than yesterday. Monday and Monday night the south winds will allow WAA to return, causing highs and lows to be warmer.
905 AM EDT Sun Oct 30 2022 High pressure continues to dominate the weather pattern with an easterly breeze across the region. Only hazard to discuss is the high risk of rip currents at the east coast beaches given the onshore flow and northeasterly swell arriving down the Atlantic coastline. (Today through Monday) Low pressure over the Missouri Valley will weaken while moving into the great lakes, as low pressure over the high pressure builds into the Southeastern United States.
The closed low aloft over the central U. will begin to move northeastward today, and the mid level ridge axis stretching from central America will start to broaden, promoting zonal flow aloft. At the surface, high pressure over Virgina/Maryland/Pennsylvania is being stretched southward. Lows will mostly be in the upper 60s with a few areas in the low 70s.
Weak ridging continues with a cold front pushing through the MS/AL border area. Weak high pressure will be in place across the coastal waters through the period.
Middle and high clouds will prevail across the region this evening due to a low pressure system located over IL. The combination of dry air invading from the northwest and the low pressure system weakening with time will cause clouds to decrease from northwest to southeast across the region overnight. Low temperatures will range from the low to middle 30s in the Northwoods and central WI, to the upper 30s to low 40s in east-central WI and along the lakeshore. The sunshine and light southwest winds will allow afternoon high temperatures to climb above normal with readings mainly in the low to middle 60s.
(This evening through Monday) High clouds continue to draw closer to the South Plains this afternoon ahead of a positively-tiled trough across the Desert Southwest. As the core of this upper trough tracks toward the Permian Basin Monday afternoon, moist isentropic ascent will remain confined to the Big Bend and Trans Pecos where some showers could emerge.
(This afternoon through Monday Night) Scattered light showers will continue into this evening thanks to a low pressure system spinning over the Mid Ms Valley. Passage of an upper level trough axis will help kick off a few little showers, especially in the afternoon and early evening.
236 PM MDT Sun Oct 30 2022 Low pressure centered over the Midwest will push northeast into the Great Lakes region through Monday, with notably higher pressure filling in across the central United States in its wake. Model guidance indicates an approximate 5C of warming at 850-700mb over the next 24 hours and, with less upper-level moisture leading to clear skies, temperatures tomorrow will rebound into the mid to upper 60's across the lower elevations, some 5-10 degrees warmer than average. Winds will be a touch more noticeable across the higher terrain and the plains with improved daytime mixing, but will still be on the light side. Upper level ridge over the central part of the country will be pushed east by a trough along the Pacific coast through the first part of the week.
1010 AM CDT Sun Oct 30 2022 Skies are partly cloudy across the Mid-South this morning with temperatures in the low to mid 60s. The weakening upper level low continues to move north across southern Missouri.
The associated cold front continues to be draped across far northeast Mississippi but drier air has started to take shape. Tomorrow we will continue to be dry as mid-level ridging starts to take shape. Highs will be in the low 70s areawide.
Not a very spooky forecast for the rest of Sunday and into Halloween (Monday) as high pressure remains in control of the weather across the region.
1248 PM CDT Sun Oct 30 2022 Key Messages: - Increasing clouds today, precipitation chances skirt southeast - Warming through the new work week - Precipitation possibilities latter half of the week Clouds and Precipitation Today: Satellite imagery shows increased water vapor near the Lower Mississippi River Valley associated with a closed low advecting northeastward. The closed low's attendant deformation zone is expected to remain to our southeast with mid to high clouds spreading north throughout the day. Into midweek, upper level heights continue to build over the forecast area as a longer wave trough digs across the West Coast. Temperatures will be anomalous through midweek, reaching the low 70s for some, but not expected to be record breaking.
1220 PM CDT Sun Oct 30 2022 (Today and tonight) Upper level flow has become more zonal in the wake of the departing upper low, resulting in a period of continuing quiet weather. Light winds will continue into tonight, with persisting high cloudiness keeping overnight temperatures a tad warmer than last night with lows mainly in the mid 40s.
This will keep temperatures much warmer tonight with most locations in the upper 40s to near 50.
239 PM EDT Sun Oct 30 2022 High pressure situated across the New England will move offshore, while low pressure moves from Arkansas into Illinois through Monday morning. Low pressure system pushes across the Ohio Valley and southeast U.
1108 AM MDT Sun Oct 30 2022 Key Message 1) Isolated snow showers across the higher terrain. 2) Pattern change is expected mid week and onward, with increased precipitation chances and cooler temperatures.
Temps are warming up nicely across the area and could break the lower 60s in the northern valley as winds remain light and variable. Patchy localized fog may be possible the morning of Halloween as dew point depressions are in the lower single digits.
1045 AM MDT Sun Oct 30 2022 Near zonal flow will remain in place through mid week as a deep upper trough digs into the Pac NW.
1158 AM CDT Sun Oct 30 2022 (Today through Monday afternoon) A broad upper trough is centered over the central part of the country. The upper trough will extend southward over West Texas and Southeast New Mexico on Monday.
As it does, a trough of low pressure will move south from the coast of northern British Columbia down towards the border.