Aikyam-Lab/Synoptic-Bench huggingface dataset:
/issued 331 AM CDT Sat Sep 25 2021/ The cold front has made it into the extreme southern Texas Panhandle as of 2AM. For tonight upper ridging will move back overhead and will keep things on the warmer side tonight. A pair of cutoff upper level low pressure systems over the southwestern U.
606 AM CDT Sat Sep 25 2021 Early morning GOES water vapor imagery shower an progressive upper trof over the upper Midwest. This open trof was rather deep, sufficiently so to drive an associated surface pressure trof into the Midsouth this morning. Light showers were noted on radar in the vicinity of the surface trof, over southeast MO and northeast AR at discussion time.
500 AM CDT Sat Sep 25 2021 Early morning GOES water vapor imagery shower an progressive upper trof over the upper Midwest. This open trof was rather deep, sufficiently so to drive an associated surface pressure trof into the Midsouth this morning. Light showers were noted on radar in the vicinity of the surface trof, over southeast MO and northeast AR at discussion time.
627 AM CDT Sat Sep 25 2021 (Today and tonight) An upper level low continues to spin to the west of the area near the southern California coast. The position of the upper low puts our area under ridging with west to southwest flow and a stream of upper level clouds overhead. This will all keep our weather similar to the last few days, with continued south to southeasterly surface winds, partly cloudy to mostly clear skies, and temperatures near or slightly warmer than normal in the upper 80s to around 90 degrees.
A low pressure system will approach off of the eastern Pacific over the weekend with increasing clouds and breezy winds on Sunday.
631 AM CDT Sat Sep 25 2021 Quiet weekend ahead, with warming temperatures as broad upper ridge begins to build into the region. Temperatures will also be warmer though, with highs in the 80s, so still looking at minimum humidity levels 25-35 percent for Sunday afternoon. Winds expected to be on the lighter side most areas though, with perhaps some gusts to around 20 mph in areas where the humidity levels are on the higher end of the range.
The weather pattern will remain rather progressive as a low pressure system impacts the region this weekend with another one slated for late in the upcoming week.
Early this morning, water vapor & 00Z synoptic analysis indicate the trough axis continues to dig down through the Mid-N MS Valley/Great Lakes. W-NW flow aloft & N-NE flow will settle in & a dry cold front expected to our N or into our N half of the area. With broad sfc ridging/isentropic subsidence in the wake & dry air around half to three quarter inch PWs, mostly sunny skies will be the norm. This will keep thermal trough around tonight.
613 AM CDT Sat Sep 25 2021 Northwest flow aloft continued early this morning across the region as an upper trough extended south from the Great Lakes to the Tennessee Valley. Warmer temperatures aloft advect into the region, with guidance temperatures supporting highs in the lower 80s, to near 85 far southwest.
800 AM EDT Sat Sep 25 2021 A long wave trough from the Great Lakes to near the north central Gulf coast eases eastward as high pressure centered in the central plains slides to the Ohio Valley by this evening. This high pressure sprawls across much of the Gulf and FL. A slightly cooler and drier airmass is over much of the area with mostly sunny skies and very little chance of significant rainfall. High pressure dominates for the next few days with winds generally below 15 knots and seas 2 feet or less.
651 AM CDT Sat Sep 25 2021 It's another chilly start with temperatures in the lower 40s and a few locations that have light/near calm winds are in the upper 30s this morning.
639 AM CDT Sat Sep 25 2021 A cold front is moving southeast through the forecast area this morning. A cool high pressure system will build across Missouri and Illinois today, bringing temperatures back into the low to mid 70s. The high will continue building east-southeast tonight providing light and variable wind and a clear sky. Carney By Sunday, a broad upper level ridge will steadily move eastward and into the central US and Mississippi Valley.
644 AM EDT Sat Sep 25 2021 A cold front will move through the Ohio Valley today bringing a period of cloudy skies and a chance for showers in the morning. This high will offer dry weather with temperatures closer to normal. Progressive mid level trof to pivot through the Great Lakes today. Associated surface cold front to move into western Ohio around 12Z and through central Ohio by 18Z. Winds will shift from the southwest to the west behind the cold front with skies clearing this afternoon. Cooler temperatures with highs in the upper 60s today. Temperatures closer to normal with highs in the lower 70s.
Quick glance at the 12Z KLIX RAOB shows a persistently dry troposphere, with some moistening between the H3 to H4 layer as a thin stream of moisture swings through out ahead of an eastward progressing upper-level trough. This could bring some patchy upper-level cirrus early today, eventually leading to completely clear skies later this afternoon and evening after this trough swings through.
A dry, weak cold front has moved into the northern portion of the state this morning, initiating a northerly wind shift. Today Through Sunday Night A cold front will continue to push southeastward into the state today as an upper trough sweeps across the Midwest. Other than a wind shift, with a bit of cloud cover and possible light rain across northern AR early in the day, no other impacts are expected with this cold front.
Expect the southwest winds to help push temperatures into the lower 80s today.
A mid level trough was progressing eastward into the Ohio Valley early this morning with a ridge present over the western CONUS.
Cool temperatures this morning will be short-lived as an upper ridge shifts east and the upper trough exits. At the sfc this will mean highs ranging from the low 80s in central SD to the low 70s in eastern portions of the forecast area. Weak, broad low pressure will move over SD on Sunday, but conditions are expected to remain dry.
Today and tonight weather will be dominated by upper ridging with benign synoptic scale energy.
616 AM CDT Sat Sep 25 2021 Cool temperatures this morning will be short-lived as an upper ridge shifts east and the upper trough exits. At the sfc this will mean highs ranging from the low 80s in central SD to the low 70s in eastern portions of the forecast area. Weak, broad low pressure will move over SD on Sunday, but conditions are expected to remain dry.
Although drier air across the north will keep dewpoints in the pleasant range, highs will still climb to the lower 90s. "Cooler" locations will be at the coast, where a northeasterly wind will keep temps in the mid 80s. Lows tonight will fall to the (dare we say it) upper 60s to lower 70s due to the lower dewpoints.
616 AM CDT Sat Sep 25 2021 Showers associated with a cold front will move east out of Illinois this morning. The remainder of Saturday will be dry and cooler with a fair amount of sunshine and breezy west winds.
902 AM EDT Sat Sep 25 2021 A cold front will move through the Ohio Valley today bringing a period of cloudy skies and some showers in the morning. This high will offer dry weather with temperatures closer to normal. Cold front has passed the Indiana-Ohio line and will continue to progress east through the day. Temperatures closer to normal with highs in the lower 70s.
High pressure aloft will weaken and shift eastward today.
Will continue to keep the highs with what we have going as expect some clearing later today, but will keep an eye in case we don't get warm as expected. To the east, cooler highs in the middle to upper 60s are expected. The temperature swing will be driven by an H5 ridge to our west that will slowly work eastward today into Sunday. Upper level flow remains out of the northwest today, with a westward shift heading into Sunday as the ridge approaches the region.
430 AM CDT Sat Sep 25 2021 Cool temperatures this morning will be short-lived as an upper ridge shifts east and the upper trough exits. At the sfc this will mean highs ranging from the low 80s in central SD to the low 70s in eastern portions of the forecast area. Weak, broad low pressure will move over SD on Sunday, but conditions are expected to remain dry.
08z WV satellite reveals a currently cutoff upper low off the coast of Baja California, a stout upper wave over IA/MO/IL, and a weak area of ridging between these two features roughly over E NM. At the surface, weak technical cold front is located just to our south, with northeasterly to easterly winds in place across much of the Panhandles. Today, the weak upper ridge looks to build eastward. As lee troughing broadens to include much of the central and northern Plains, winds gain more of a downslope westerly component. This, combined with a modestly stronger surface pressure gradient courtesy of high pressure over the southeastern CONUS, may lead to elevated fire weather conditions in roughly the northeastern quarter of the forecast area.
346 AM MDT Sat Sep 25 2021 Upper ridging between systems today will keep conditions dry and warmer, especially across eastern areas where temperatures should rebound into the mid to upper 80s as the surface lee trough redevelops. Meanwhile, temperatures should be fairly similar to a degree or two warmer out west. Moisture from the upper low across the Baja Peninsula and Desert southwest region appears to stay too far south today for any precipitation in southern CO, though we will see some cloud cover start to increase across southwest portions of the area this afternoon and tonight.
1259 PM CDT Sat Sep 25 2021 Mostly sunny skies along with breezy westerly winds and cooler conditions will prevail today, with highs in the lower 70s.
Temperatures will continue to be well above normal tomorrow, but likely will not be record- breaking, staying 5 to 10 degrees cooler than record- breaking.
High pressure and dry air with PWAT values measuring less than 1 inch continue to encompass southeast Georgia and northeast Florida resulting in dry weather and stable conditions throughout the forecast area.
318 PM CDT Sat Sep 25 2021 High pressure and a very dry airmass will remain over the region tonight. The transition from cooler to above normal temperatures will begin on Sunday as southerly winds increase in response to a deepening area of low pressure over the central Plains.
A bit cooler in the east where cloud cover lingers, but still should make the mid to upper 60s. West to northwest flow aloft continues for the remainder of the weekend, with a weak cold front digging down late Sunday into Sunday night. The southern counties out ahead of the front will still get into the 80s, but our northern CWA will be a bit cooler than today. Ridging will dominate the pattern initially, allowing the airmass to rapidly heat up. As ridging pushes east, southwesterly flow returns thanks to a rather complex synoptic setup. It appears wave interactions may be at play here, as a trough to our northwest may interact with a spinning cutoff low over the desert southwest.
Wed night into Thu as a cold front moves into the area. Both 12Z GFS and EC are in good agreement in bringing cold front into CWA at some point Wed aftn/eve along with scattered to widespread shwrs/storms. Much more confident in the return to near to slightly above normal temps behind the cold frontal passage.
Dry high pressure over the area today will promote clear and cool conditions. High clouds are beginning to make their way to the region ahead of an upper level trough, otherwise mostly sunny. Temperatures will be slightly warmer than yesterday but still below normal. A cold front currently nearing Appalachia will push north and east, significantly weakening as it intercepts the high across our region. The upper trough will shift winds northerly then easterly, but otherwise no impacts. Lows in the low to mid 50s overnight. A weak upper level trough passes across The Midlands and CSRA Sunday with no noticeable weather impacts.
1234 PM CDT Sat Sep 25 2021 (Today and tonight) An upper level low continues to spin to the west of the area near the southern California coast. The position of the upper low puts our area under ridging with west to southwest flow and a stream of upper level clouds overhead. This will all keep our weather similar to the last few days, with continued south to southeasterly surface winds, partly cloudy to mostly clear skies, and temperatures near or slightly warmer than normal in the upper 80s to around 90 degrees.
Discussion: The weakening and moisture starved cold front nearing the northern Plateau will push southeast across the area and exit later tonight. Discussion: High pressure near the surface and a building ridge in the mid and upper levels will lead to mostly clear skies and a warming trend for the first half of the work week.
This high will offer dry weather with temperatures closer to normal. What is left of the showers has exited the forecast area and the cold front will follow shortly. Temperatures closer to normal with highs in the lower 70s.
High pressure at the surface and aloft are influencing the region's weather. Early this morning, water vapor & 00Z synoptic analysis indicate the trough axis continues to dig down through the Mid-N MS Valley/Great Lakes. W-NW flow aloft & N-NE flow will settle in & a dry cold front expected to our N or into our N half of the area. With broad sfc ridging/isentropic subsidence in the wake & dry air around half to three quarter inch PWs, mostly sunny skies will be the norm. This will keep thermal trough around tonight.
157 PM CDT Sat Sep 25 2021 A pleasant day with west winds blowing at 12 to 25 mph is found outside today, with high pressure centered to the south of the area. Tonight, as the high pressure drifts east, we'll see winds shift to south. Dewpoints in Kansas are in the lower to upper 40s, and that should be what we see tomorrow.
A rather deep upper level trough gradually shifts over the eastern CONUS through the period as an upper level ridge begins to build into the south central CONUS. Temperatures this afternoon will be slightly warmer than yesterday with highs in the lower to mid 80s. Highs on Sunday gradually warm into the mid 80s due to the increased subsidence from building upper level ridge and modifications due to the easterly surface flow.
109 PM EDT Sat Sep 25 2021 A cold front will bring a few light rain showers to the region this afternoon. Regional radars show a narrow band of very light precip near a cold front beginning to enter eastern Ohio. A cold front and associated cloud cover extend from the low southward through the Great Lakes and into the Ohio Valley. 89" just ahead of the cold front. Sunday will be another beautiful day across the region as high pressure builds in wake of Saturday's cold front. Aloft, troughing will persist across much of the eastern US while mid-level ridging will exist across much of the southeast US into the Ohio Valley.
Dry high pressure over the area today will promote clear and cool conditions. High clouds are beginning to make their way to the region ahead of an upper level trough, otherwise mostly sunny. Temperatures will be slightly warmer than yesterday but still below normal. A cold front currently nearing Appalachia will push north and east, significantly weakening as it intercepts the high across our region. The upper trough will have virtually no impact as it pushes through the area. Lows in the low to mid 50s overnight. High pressure will remain in control at the surface with the upper level trough swinging offshore Sunday morning.
/Issued 1007 AM CDT Sat Sep 25 2021/ A cold front has managed to move into southeast Oklahoma and northwest Arkansas this morning. The front will help keep temperatures in check today with high temperatures this afternoon near or just slightly cooler than those that occurred yesterday across a good chunk of the area. Overall it will be a terrific day to enjoy the outdoors with highs generally topping out in the lower to mid 80s.
High pressure loosing it's grip over the region and as it weakens and slips eastward.
We'll have a very weak cold front drop into the area Sunday and warm air out ahead of that front looks to send highs to the 80s possibly as far north as I-94 and east as I-35.
1141 AM MDT Sat Sep 25 2021 Upper ridging between systems today will keep conditions dry and warmer, especially across eastern areas where temperatures should rebound into the mid to upper 80s as the surface lee trough redevelops. Meanwhile, temperatures should be fairly similar to a degree or two warmer out west. Moisture from the upper low across the Baja Peninsula and Desert southwest region appears to stay too far south today for any precipitation in southern CO, though we will see some cloud cover start to increase across southwest portions of the area this afternoon and tonight.
A cloud line formed late this morning, popped a few showers along the Lower Keys, but has since struggled. Lower heights will dig into the Eastern Seaboard and the western North Atlantic tonight and Sunday, downstream from formidable ridge amplification. The most important synoptic scale change for the sensible weather elements across the Florida Keys will be the developing anticyclone across northern Florida and the southeastern United States.
Expect much of the same Sunday as upper level ridging gradually build overhead the region.
We should have decent sunshine throughout the day until high clouds start to move in the late afternoon and evening from an upper low in the desert southwest.
325 PM CDT Sat Sep 25 2021 High pressure at the surface and aloft is the primary influence on the region's weather. The trough has dragged a weak cold front (little more than a dew point gradient) into far northern MS, where it should wash out overnight. The boundary may serve as a focus for some fog development in drainages overnight, especially with high pressure allowing for good radiational cooling potential where winds can go calm. Low temperatures will likely fall into the lower to mid 50s across much of the area again. Then tomorrow as an upper-level ridge begins to take hold to our west, rising mid-level heights and continued sunny skies will allow for temperatures to warm back into the mid and upper 80s for most locations.
250 PM EDT Sat Sep 25 2021 Drier air is filtering into the region in the wake of this morning's cold front and brief rains. High pressure will build in tonight, becoming centered briefly over central KY in the overnight hours. With skies clearing areawide this evening, those locations in the south and southeast will have a cooler start to the evening. That high pressure will be east of the region during the day Sunday.
1204 PM EDT Sat Sep 25 2021 A cold front will bring a few light rain showers to the region this afternoon. Regional radars show a narrow band of very light precip near a cold front beginning to enter eastern Ohio. A cold front and associated cloud cover extend from the low southward through the Great Lakes and into the Ohio Valley. 89" just ahead of the cold front. Sunday will be another beautiful day across the region as high pressure builds in wake of Saturday's cold front. Aloft, troughing will persist across much of the eastern US while mid-level ridging will exist across much of the southeast US into the Ohio Valley.
A weak mid to upper level ridge will remain over south Texas tonight into Sunday, then slowly shift eastward into the Gulf waters Sunday night.
1232 PM CDT Sat Sep 25 2021 Quiet weekend ahead, with warming temperatures as broad upper ridge begins to build into the region. Temperatures will also be warmer though, with highs in the 80s, so still looking at minimum humidity levels 25-35 percent for Sunday afternoon. Winds expected to be on the lighter side most areas though, with perhaps some gusts to around 20 mph in areas where the humidity levels are on the higher end of the range.
137 PM CDT Sat Sep 25 2021 Northwest flow aloft continued early this morning across the region as an upper trough extended south from the Great Lakes to the Tennessee Valley. Warmer temperatures aloft advect into the region, with guidance temperatures supporting highs in the lower 80s, to near 85 far southwest.
1153 AM CDT Sat Sep 25 2021 A cold front is moving southeast through the forecast area this morning. A cool high pressure system will build across Missouri and Illinois today, bringing temperatures back into the low to mid 70s. The high will continue building east-southeast tonight providing light and variable wind and a clear sky. Carney By Sunday, a broad upper level ridge will steadily move eastward and into the central US and Mississippi Valley.
1007 AM CDT Sat Sep 25 2021 A cold front has managed to move into southeast Oklahoma and northwest Arkansas this morning. The front will help keep temperatures in check today with high temperatures this afternoon near or just slightly cooler than those that occurred yesterday across a good chunk of the area. Overall it will be a terrific day to enjoy the outdoors with highs generally topping out in the lower to mid 80s.
(This evening through Sunday) Tranquil weather will persist the next 24 hours as weak ridging aloft prevails. Lows tonight will be in the 50s, with highs tomorrow mainly in the upper 80s, with a few readings in the lower 90s across the northern Big Country.
With steady and warm southwest breezes through the day and sunny skies, we are on track to warm into the 70s to the lower 80s by late afternoon. Cool temperatures this morning will be short-lived as an upper ridge shifts east and the upper trough exits. At the sfc this will mean highs ranging from the low 80s in central SD to the low 70s in eastern portions of the forecast area. Weak, broad low pressure will move over SD on Sunday, but conditions are expected to remain dry.
1234 PM CDT Sat Sep 25 2021 It's another chilly start with temperatures in the lower 40s and a few locations that have light/near calm winds are in the upper 30s this morning.
230 PM EDT Sat Sep 25 2021 A long wave trough from the Great Lakes to near the central Gulf coast this afternoon pivots across the eastern US overnight then out over the Atlantic Sun. Mid level ridging in the Gulf of Mexico begins stretching northward. Sprawling high pressure centered in the Mid-Mississippi Valley tracks east. By Mon the high pressure takes control with a dry forecast.
1014 AM CDT Sat Sep 25 2021 Dry conditions continued across the forecast area this Saturday morning, thanks to general high pressure situated from the Mid Mississippi to the Tennessee Valley. On a larger scale, an upper level system located over southern Ontario, had a trough extending southward to the western Ohio Valley. This trough feature was producing clouds and yes, light rain over parts of western and central Kentucky, as well portions of NW and middle Tennessee. Although the soundings from Nashville were rather dry aloft, do think that enough moisture with the trough could bring light showers over more of middle Tennessee. Influences from the synoptic pattern will change little over our area through the short term period, as we remain on the eastern edge of the ridge and northwest flow persists aloft.
The upper level ridge axis remains to the west of our region with several short waves coming over it and across our region through Sunday night. Very little moisture with these short waves with the highest rh in the mid/high levels.
As an upper level trough makes its way off the eastern seaboard, ridging will reestablish itself across the region in its wake leading to less cloud cover than today. Otherwise, we can expect slightly warmer overnight lows in the upper 50s along the northern half of the CWA and in the low to mid 60s as one gets closer to the Gulf Coast. Deep layer ridging will be in control of the tri-state area weather through mid-week as the low to mid-level flow becomes more easterly.