Aikyam-Lab/Synoptic-Bench huggingface dataset:
Models are continuing to show this low level moisture rotate around a H700 high and move to over the TX/NM state line by this evening. The current forecast of mostly cloudy skies will keep lows in the low to upper 40s across the FA. An upper level trof will push towards the region tomorrow afternoon which will continue cloud cover across the FA. A weak upper level low pressure trough crossing the northern Baja coastline will lift slowly northeast through the southern Rockies and adjacent high plains late this weekend.
911 PM CDT Fri Oct 7 2016 Cold front as of 02z was very difficult to pick out as winds have turned north ahead of as well as behind the boundary. A cold front has moved through much of the Four State Region with Northerly winds and dry air spreading into the area as high pressure on the surface builds.
/Issued 324 PM CDT FRI OCT 7 2016/ High pressure will continue to influence the near term forecast period. Going into the day tomorrow, winds will shift to the southwest as the center of high pressure begins to shift south into southeast Texas. An upper level positive tilted trough will work its way into New Mexico from Baja California will bring our next chances of showers and thunderstorms to the region.
715 PM EDT FRI OCT 7 2016 Band of showers will along/behind cold front will affect I-94 terminals for a short time this evening with MVFR cigs also possible all terminals for a few hours immediately behind frontal passage. Defined cold frontal structure marking the lead edge of this inbound autumnal air mass now at the doorstep of Southeast Michigan. Attention then refocuses to the sliver of stronger forcing tied to an axis of greater cva and upper jet support as the mid level trough intersects the advancing elevated frontal zone. Retention of lower thicknesses under residual mid level troughing will ensure cooler conditions hold firm through the upcoming weekend period. An overall dry and stable profile in place through this time, as high pressure anchors the lower levels.
Winds at KLVM are weakening as the leeside trough is pulling a bit eastward. A zonal flow regime aloft will spread periods of clouds across the area through the weekend, but downslope winds with this pattern will produce mainly dry and warmer conditions.
Surface cold front just north of our CWA has gone about as far south as it will go.
Latest sfc analysis shows the cold front has made it to the Big Bends Area, and extends into NE Texas. AMS is quite shallow, as per 12Z KMAF RAOB and sat vis imagery showing stratus generally unable to make it to the higher terrain west and south. Otherwise, WV imagery show SW flow aloft over West Texas and Southeast New Mexico, courtesy of an upper trough just making landfall onto Baja. Minor disturbances are forecast to calve off of the trough and move over the higher terrain the next couple of days, before orienting more SW-NE as the trough moves thru.
This will return low level southerlies to western Kansas overnight bringing some slightly warmer air back into the high plains, particularly in far southwest Kansas. Temperatures won't be quite as cold tonight with lows down into the mid and upper 30s(F) in central Kansas to the lower to mid 40s(F) in extreme southwest Kansas. Lee side troughing will deepen across eastern Colorado Saturday enhancing warm air advection across western Kansas with H85 temperatures back up into the mid to upper teens(C).
1045 PM EDT Fri Oct 7 2016 High pressure will remain across the area overnight then move east on Saturday.
This is being driven by the low centered over eastern Ontario, almost to James Bay. This low is going to continue moving northeast, pulling our cloud field and snow showers north tonight even as diurnal trends causing the showers to diminish as well.
with the highest gusts near 25 mph in the Delta. Fortunately for us, a cold front will move through the area tonight and usher in a cooler fall airmass for tomorrow.
Radar is filling in west of the Cascades as a warm front lifts over the Pac NW. There will be a short break in the rain across the rest of eastern WA and into the Northern Panhandle; however, a strong warm front will lift across the region tonight with rain filling back in.
Cooler and drier air still expected to move in behind a cold front. After trending toward warmer temperatures the last few updates, both operational and ensemble means have come in cooler for last night's 00z run and this morning's 12z run.
Cold front is currently just south of San Antonio and pressing quickly southward.
520 PM MDT Fri Oct 7 2016 As the upper trough continues to lift out of the plains states towards the Mississippi Valley region this evening, westerly flow and weak short wave ridging move into the Rockies and High Plains region.
A cold front will sweep across the area tonight. Strong and very dry high pressure will then build into the area with VFR continuing. A cold front will sweep across the area tonight. Strong and very dry high pressure will then build into the area with VFR continuing, while winds generally remain light from the north. a strong dry cold front has pushed through the FTW/DFW metro-plex and is now closing in on Corsicana Texas.
The cold front continues to move southeast as cooler and drier air with dew point temperatures in the 50s then 40s settle into AR. Winds will start or shift to the northwest to north with the passage with the cold front, and be 5 to 15 mph with some gusts to 20 mph.
Hurricane Matthew continues to push up the SE coast with a mid/upper trough located across the Midwest. As of 145z, a dry cold front was also analyzed across the NW portions of the CWA. Lowered temps a degree along the HWY 82 corridor and parts of the NW Delta where the front will push through quicker and kept warmer temps along and south of I-20 as the front is slower to make it through the south before daybreak. A dry cold front will move through the region late tonight. As of the 3 PM surface observations, a dry cold front could be seen stretching northeast to southwest from western Tennessee to northwest Louisiana.
Dry and Cooler. In the wake of a cold front, dry and much cooler conditions will dominate West Central Texas for the next 24 hours. As high pressure builds over Texas, look for light winds from the north tonight, with lows a category or two below seasonal normals. For tomorrow, with some afternoon sunshine, highs will be closer to, but still below, seasonal normals, and they will likely range from the lower 70s north to around 78 south.
Places that briefly experience freezing rain are expected to see very little, if any ice accumulation, and therefore no headlines are needed. Anyone traveling over area bridges may exercise a little caution and slow down a little to be on the safe side. Maliawco Synoptic Setup: A large trough exists over the Central third of Canada and drops into the Mississippi Valley and Dakotas. A ridge lies over the the Deserts Southwest and turns north an west into Nevada and Oregon. A forecast has held steady from the previous day with freezing rain chances running north and east of a line from Whitewater, to Wolf Point, to Sidney and over to the MT/ND border and International border. Ground temperatures are above freezing. HOWEVER exposed items above the ground such as bridges, trees, and power lines could still easily experience accumulations.
Due to the cold frontal passage overnight, highs today will be much cooler than of previous days. Even with shifting light winds and clear skies leading to plenty of diurnal heating, highs will still only manage to reach into the lower 60s. The high pressure stays parked over eastern Kansas overnight and through the afternoon tomorrow. Lows overnight will hoover near 40 degrees, although low lying areas may see cooler conditions. Another quiet day tomorrow as the high begins to shifts eastward. Southerly winds will aid in a warm up from Saturday with highs in the low 70s.
Winds will start or shift to the northwest to north with the passage with the cold front, and be 5 to 15 mph with some gusts to 20 mph.
High pressure will continue to build into the region overnight with clear skies/light winds.
1145 PM CDT Fri Oct 7 2016 Clear skies and light wind tonight will allow temperatures to fall into the low to mid 30s across much of southeast Minnesota and southwest into central Wisconsin. Large trough over Ontario continues to spin northeast, but there is another short wave trough rotating in behind it over southern MB/SK. Meanwhile, much cooler air is arriving behind the cold front which passed overnight. High pressure will build in over the region tonight and then looks to remain through the rest of the weekend.
1145 PM EDT Fri Oct 7 2016 High pressure will remain across the area overnight then move east on Saturday.
727 PM EDT Fri Oct 7 2016 A cold front will move across the area tonight. This feature will bring cooler air into the region for the weekend. The cold front currently just entering the area will continue to move east through the region tonight. Expect a mostly dry cold front passage with very limited moisture.
By Saturday morning a cold front will move through the area.
A quiet weather pattern will be in place the next several days with much cooler temperatures on tap for central Indiana, getting the area back to near normal for a few days.
Warmer temperatures are in the offing on Saturday as high pressure builds over the region.
Fortunately for us, a cold front will move through the area tonight and usher in a cooler fall airmass for tomorrow.
508 PM MDT Fri Oct 7 2016 An upper low is spinning over southern Manitoba, with another one off the coast of British Columbia, and ridging in between. At the surface, a trough/stationary boundary stretches across the region. Upper ridge will build over the central CONUS on Saturday. Boundary will shift slightly northeastward, allowing warmer air to move into the area. Southerly winds will increase ahead of an approaching trough Saturday night, keeping lows mainly in the 40s.
There is a non-zero chance that one of the usual cold spots, such as the Oilton mesonet site, may briefly dip down to the freezing mark.
Large trough over Ontario continues to spin northeast, but there is another short wave trough rotating in behind it over southern MB/SK. Meanwhile, much cooler air is arriving behind the cold front which passed overnight. High pressure will build in over the region tonight and then looks to remain through the rest of the weekend.
/issued 315 PM CDT FRI OCT 7 2016/ (Tonight and Saturday) In the wake of a cold front, dry and much cooler conditions will dominate West Central Texas for the next 24 hours. As high pressure builds over Texas, look for light winds from the north tonight, with lows a category or two below seasonal normals. For tomorrow, with some afternoon sunshine, highs will be closer to, but still below, seasonal normals, and they will likely range from the lower 70s north to around 78 south.
643 PM CDT FRI OCT 7 2016 Low level moisture behind last night's cold front continues to scour out early this evening and all TAF sites are currently VFR. /ISSUED 340 PM CDT FRI OCT 7 2016/ The cold front that entered the northwestern most part of the forecast area before midnight has moved into Central Texas this afternoon. North winds will decrease to 5 to 10 mph this evening and overnight lows will range from the upper 40s northwest to the lower 60s southeast. The upper level trough that has been moving across the Central Plains will continue to move off to the east tonight. Upper level ridging will build in across Texas from the south in the wake of this trough.
JEE 210 PM CDT Surface cold front has cleared the eastern counties of the cwa this afternoon, with much cooler and drier air spreading into the region from the west. High pressure over the Plains will spread east into the Midwest by early Saturday, resulting in clearing skies, diminishing winds and seasonably chilly overnight temps. Ratzer 218 PM CDT No real big weather concerns through the weekend as high pressure continues to build across the region, centering overhead by Saturday and Saturday night.
1131 PM EDT Fri Oct 7 2016 Rain will begin over the western highlands this evening as a a cold front moves in from the west tonight.
1149 PM CDT Fri Oct 7 2016 A strong cold front has cleared the Missouri Ozarks this afternoon with lingering strato-cumulus clouds in its wake. The clear skies and high pressure building in from the northwest will then result in crisp overnight low temperatures. That high pressure will move off to our east resulting in a return to low level southerly flow into early next work week.
834 PM CDT Fri Oct 7 2016 Clear skies and light wind tonight will allow temperatures to fall into the low to mid 30s across much of southeast Minnesota and southwest into central Wisconsin. Large trough over Ontario continues to spin northeast, but there is another short wave trough rotating in behind it over southern MB/SK. Meanwhile, much cooler air is arriving behind the cold front which passed overnight. High pressure will build in over the region tonight and then looks to remain through the rest of the weekend.
746 PM EDT Fri Oct 7 2016 A cold front will bring showers to the area later tonight into Saturday afternoon.
1139 PM CDT FRI OCT 7 2016 Quiet weather is expected across central and southeast Illinois overnight with high pressure and the associated dry airmass building in. Cold front has exited the far southeast CWA this afternoon, but not before temperatures reached into the mid 80s around Lawrenceville. Temperatures dropped over the western CWA into the lower 60s, with 50s prevailing from about Bloomington-Jacksonville westward. After that, skies will remain clear through Saturday, as high pressure drifts into the mid- Mississippi Valley. A rather pleasant spell of weather in store for our area during this forecast period with the upper pattern transitioning into a zonal flow over the lower 48.
859 PM CDT FRI OCT 7 2016 Quiet weather is expected across central and southeast Illinois overnight with high pressure and the associated dry airmass building in. Cold front has exited the far southeast CWA this afternoon, but not before temperatures reached into the mid 80s around Lawrenceville. Temperatures dropped over the western CWA into the lower 60s, with 50s prevailing from about Bloomington-Jacksonville westward. After that, skies will remain clear through Saturday, as high pressure drifts into the mid- Mississippi Valley. A rather pleasant spell of weather in store for our area during this forecast period with the upper pattern transitioning into a zonal flow over the lower 48.
1032 PM EDT Fri Oct 7 2016 A cold front will move across the area tonight. This feature will bring cooler air into the region for the weekend. Cold front will continue across the region overnight.
100 AM EDT Sat Oct 8 2016 Overnight rain will be followed by dry and cooler conditions on Saturday. The front is expected to be east of the ridges by this afternoon with much drier and cooler air in its wake with forecast highs 10 degrees cooler on average across the region. High pressure at the surface will quickly bring an end to rain chances Saturday evening. Much drier and cooler air will filter in through the remainder of the weekend under northwest flow aloft.
717 PM EDT Fri Oct 7 2016 High pressure will bring dry conditions and mild temperatures through tonight.
A cold front has moved through much of the Four State Region with Northerly winds and dry air spreading into the area as high pressure on the surface builds.
The high risk of rip currents will continue across area beaches through the day Saturday as onshore winds gradually subside.
1238 AM EDT Sat Oct 8 2016 High pressure will bring dry conditions and mild temperatures through early Saturday.
There is also a possibility to see several hours of near or slightly below freezing temperatures in west central Minnesota where current dew points are in the 20s.
846 AM EDT Sun Apr 9 2017 High pressure will extend over central North Carolina today, then drift offshore Monday.
Meanwhile, the low level ridge remains intact along the mid-Atlantic coastline. Temperatures are in the lower 70s and dewpoints have recovered into the upper 50s to near 60. The Gulf and Bayside waters are probably just cool enough to allow for some decoupling of the low level wind field. From synopsis, an area of high pressure over the mid- Atlantic states will build eastward into the Western North Atlantic Ocean this afternoon and tonight, before broadening and strengthening Monday and Monday night.
A few areas along/sw of Vinton to Quad Cities appear likely to hit 80 degrees and will be close to record highs in the lower 80s. A warm front stretched from Nebraska, through northwest Iowa, into northern Wisconsin during the overnight hours. A warm front was also situated in western Iowa. For today, have continued to go above guidance for the high temperature forecast.
The 50 KT low level jet which carried the low clouds northeastward will partially mix down later this morning, resulting in another gusty day across the region. /ISSUED 338 AM CDT Sun Apr 9 2017/ An upper level trough currently crossing the Rocky Mountains will continue eastward into the Central Plains tonight. Lee cyclogenesis has occurred and a cold front should continue to get its act together across the Plains as the upper level feature moves east. A narrow pressure gradient between the lee side trough/cyclone and a Mid Atlantic ridge will keep the strong southerly flow in place today. The prolonged deep southerly fetch will pump in abundant Gulf moisture in advance of the cold front, which should start moving into the northwest counties early Monday.
730 AM EDT Sun Apr 9 2017 High pressure will be in control into through Monday. The 730 AM update consisted of minor changes to hourly temps and dewpoints, as well as a slight increase in cloud cover with cirrus spilling over the approaching 500 mb ridge axis. Upper level ridge will strengthen overhead through Monday.
750 AM EDT Sun Apr 9 2017 High pressure will extend over central North Carolina today, then drift offshore Monday.
An upper trough across the central peninsula early this morning embedded in the northerly flow aloft, will continue its southerly track through the day across the southern peninsula this afternoon, then across the Bahamas overnight. Min temps tonight warmer due to the onshore flow pushing higher dewpoints acrs the state. High pressure will slide off of the mid Atlc coast into the western Atlc today. N/NE sfc/transport winds will shift to the E/NE today as high pressure over the SE CONUS builds off the Mid Atlc coast.
With colder column temperatures should drop blo freezing over all but the far se. Monday will be the coolest day as high pressure settles in over the fa with high temperatures in the 40s and lows in the 20s.
949 AM EDT Sun Apr 9 2017 High pressure centered along the Carolina coast early this morning will move out to sea slowly.
714 AM EDT Sun Apr 9 2017 A narrow ridge of high pressure will crest over the region early today and will shift offshore south of New England this afternoon. A warm front will pass by to the north tonight and will stall over southern Canada on Monday.
High pressure remains in command for another day, but a weather pattern change is on the horizon. A pressure gradient between high pressure over the southeast CONUS and low pressure over the central high plains will maintain moderate to occasionally strong onshore flow.
As the low level ridge to our east provides a southerly flow, temperatures will rise into the mid and upper 70s across the area. Some thin cirrus around the top of the upper ridge will have little impact.
910 AM MST Sun Apr 9 2017 Cooler temperatures can be expected today in the wake of a weak cold front and low pressure system, with high temperatures in the upper 70s and lower 80s across the lower deserts.
Upper ridging will provide another dry day to round out the weekend but rain chances will be returning to the forecast starting late tonight.
The weather system that brought gusty winds to the area yesterday will leave cooler temperatures behind today and Monday. Much warmer readings will then prevail through the remainder of the work week. Cooler today in wake of yesterdays dry/windy weather system.
1011 AM EDT Sun Apr 9 2017 A ridge of high pressure will slide just off the Eastern Seaboard today.
A warm front stretched from Nebraska, through northwest Iowa, into northern Wisconsin during the overnight hours. A warm front was also situated in western Iowa. For today, have continued to go above guidance for the high temperature forecast.
531 AM MDT Sun Apr 9 2017 Southwest flow aloft continues across the northern Great Plains ahead of an approaching upper trough now over the Great Basin. The western trough will cut off over Wyoming this afternoon and cross near the SD/NE border tonight. Will also issue an advisory for the Spearfish area with mention of 2 to 5 inches since it looks like the higher elevation of the foothills would probably reach advisory criteria. which will stay near or above freezing most of the night. Mainly dry and milder conditions will develop for the first half of the week as weak ridging passes over the region.
Some window for even gustier SW winds is possible around midday in the base of the aforementioned trough. Behind the trough, dry cold FROPA overnight from N-S could open a window for storms when it impacts a slow retreating dryline close to our southeastern counties. The cold front should clear the forecast area late Monday morning resulting in cool easterly upslope flow through the day. High temperatures will be 10 to 20 degrees cooler than today across the Caprock and Rolling Plains, respectively. Models have continued the trend yesterday with a slower eastward movement of the next trough to affect the region which also slows down the onset of return flow and precipitation chances.
Onshore winds are continuing to draw moisture in across SE TX mainly at the lower levels but not noticing much increase with the mid/upper levels (per 12Z sound- ings). Gusty winds should also prevail the rest of the afternoon given the 20-25kt south winds through the lower 5K ft of the air mass. /ISSUED 317 AM CDT Sun Apr 9 2017/ Southeast Texas is off to a warmer start this morning (compared to this time over the last couple of days) with 3 AM temperatures ranging generally from the lower 60s inland to the lower 70s at the coast.
The best chance of steady precipitation will be across the southern half of South Dakota, closest to the area of low pressure, where over half an inch to around 1 inch of liquid will be possible. Good shear but limited CAPE with the higher values well to our south will still keep the potential for some thunderstorms during the afternoon hours. With lows in the low to mid 30s, and our prolonged period of recent warmth, still expect much of the wet snow to accumulate on mainly elevated and grassy surfaces (outside of any brief periods of moderate snow showers).
Think there is fairly high probability that storms will wait until cold front catches up to dryline, aided by the speed max.
Upper ridging will continue to build across the southeast states through tonight. Another dry day with low humidity is on tap with slightly warmer temps as the upper ridge builds. Increasing moisture levels will lead to warmer lows tonight than what have occurred the past few nights. Lows will fall into the low 50s inland to low 60s near the coast.
This will keep us in a dry and continued warmer pattern. The tight pressure gradient on the western side of high pressure will allow for SSW winds 10 to 20 mph with some gusts in the 25 to 30 mph range. The good news is that we don't really meet wind criteria where the lowest RH values are (although its not too far off), and we don't meet RH values where we would meet wind criteria.
The main low pressure system responsible for snow across the region at higher elevations is slowly moving eastward.
Overall, airmass remains dry with the upper level ridge axis still across the region. With plenty of sunshine and increasing thickness values, highs will be several degrees warmer today, with locations across the west and south approaching 80 degrees.