Aikyam-Lab/Synoptic-Bench huggingface dataset:
1036 AM EDT Sun Sep 17 2017 Dry weather is expected today as high pressure moves slowly east. A cold front approaching from the west may allow a few showers and thunderstorms to develop beginning tonight and continuing through mid week. Cold front will continue to weaken tonight through Monday as it moves into a less favorable airmass over Northwest Ohio. Under partly to mostly sunny skies, highs in the low 80s can be expected. This will allow a surface cold front to drop south into Northwest Ohio early in the week.
A cold front over eastern Kansas early this morning will push into the forecast area today.
Clouds will increase tonight from the west ahead of the next upper level low pressure system. The low will begin to move inland late tonight. An associated cold front will move into Eastern Oregon late Monday Morning and continue slowly southeastward into Southwest Idaho Monday afternoon.
731 AM EDT Sun Sep 17 2017 Generally a persistence forecast expected for the start of the week as a ridge of high pressure resides over the region. Patchy fog in the favored valley locations will continue to lift this morning, revealing mostly clear skies under high pressure ridging. The additional moisture will begin to interact with a trough advancing through the Great Lakes region and lead to increased cloud cover across the North Country.
612 AM CDT Sun Sep 17 2017 A cold front had moved through the KCDS terminal shifting light winds to the north. Meanwhile, a weak outflow enhanced cold front was sagging southward through the Panhandle and should manage somewhere near our northwest zones before stalling out much of the day - lifting back north later today. Mid and upper flow will veer Monday behind a wave ejecting out of the currently low amplitude longwave trough over the intermountain west.
1154 AM CDT Sun Sep 17 2017 SHRA/TSRA will slowly spread across the area today due to an approaching cold front. The cooler temperatures reflect the influence of clouds and precipitation for areas which are closest to the front, while the warmer temperatures reflect the limited cloud cover and warmer air mass ahead of the front.
This low chance is mainly due to the increase in moisture but added suppression of high pressure. Mid/Upr level ridge will maintain foothold on our weather today, before it shifts slightly southward on Monday.
/issued 338 AM CDT Sun Sep 17 2017/ (Today and Tonight) West Central Texas will generally remain in southwest flow aloft today, with an upper level ridge across the Gulf of Mexico and a broad upper level trough across the western CONUS. Otherwise, expect mainly dry conditions with highs mainly in the low to mid 90s.
Will likely see a period of MVFR ceilings as a cold front moves through this morning, per latest models and upstream conditions. Should see conditions return to VFR for this afternoon, as drier air moves in behind the cold front. A cold front will exit southeast Wisconsin by noon.
1105 AM CDT Sun Sep 17 2017 Cold front is roughly in the vicinity of the IL River Valley this morning and some very scattered showers are falling apart as they move into the region. Early morning surface map shows our incoming cold front extending from about Kansas City northeast into the Upper Peninsula of Michigan. By afternoon, redevelopment will be taking place east of I-55 as the cold front arrives. The stalling out of the front will prevent any significantly cooler air moving in tonight, although areas near Galesburg may dip into the upper 50s. The upper pattern over Illinois will continue to be out of the southwest much of the week, with the western trough periodically digging southward. Significant amplification of the ridge over the eastern U.
Weak troughing aloft will pass over the area today, but still relatively warm temperatures aloft coupled with drier air pushing southward down the peninsula will keep PoPs at 10 pct or less. Expect a high risk for rip currents and high surf at east central Florida beaches today with beach erosion possible near the high tide cycles once again. The large swells will impact the beaches with minor to moderate erosion peaking the near the high tides from 630 to 700 pm this evening. Low level winds will increase from the NNE in the lower levels with a trailing band of low level moisture bringing some scattered showers across the Atlantic waters and a low chance for showers moving onshore along the coast after midnight. Lows will drop into the lower 70s for the interior and mid 70s along the coast.
/issued 430 AM CDT Sun Sep 17 2017/ Upper ridging is over south Texas and Louisiana, and the CWA is under southwest flow aloft. Temperatures today are expected to be slightly cooler than yesterday. There is a slight chance of showers and thunderstorms across mainly the higher terrain and southeast New Mexico with good moisture in place. The upper ridge becomes more flattened on Monday as an upper trough moves over the Pacific Northwest.
931 AM EDT Sun Sep 17 2017 Warm high pressure will remain over the eastern United States this week. Large scale upper-level ridge remains over the eastern United States while a weak upper-level trough is situated over New England into the Mid-Atlantic. High pressure remains along the New England coast and an onshore flow continues to usher in more moisture to our area. Max temps will reach the lower to middle 80s across most locations. Limited instability will develop as a result of the warmer and more humid conditions. While the system likely won't be affecting the area directly, onshore flow will add to the low-level moisture profile as well as enhancing convergence.
High pressure will build into the state overnight and Saturday.
325 PM CST Fri Feb 2 2018 A round of light snow for all of western and central North Dakota, with a threat of a mix of light snow and freezing rain in the southwest, highlights the short term forecast. Currently, a large upper level Hudson Bay Low was established, with an upper level ridge over the eastern Pacific. Meanwhile at the surface, low pressure along the eastern Rockies and Front Range was established, with arctic high pressure over the Canadian Prairies and a mild Pacific airmass over the southwestern US. Meanwhile frontogenetic forcing looks strongest along the arctic cold front moving south out of Canada - strongest across northern and central ND tonight.
308 PM EST Fri Feb 2 2018 High pressure along with cooler and drier air overspreading the region through Saturday.
1040 mb arctic high pressure extending from northern AR into eastern MO and western IL late this morning, will drift into WV/KY/TN by 00Z/6 pm. Strong high pressure will provide sunny skies much of today with lighter winds across central and southeast IL. Cold temps currently in the low to mid teens with wind chills ranging from 5 above to 5 below zero. Highs only in the low to mid 20s by mid afternoon, which is 10-15 degrees below normal for early Feb. Quiet weather is expected in the short term, as an axis of high pressure drifts eastward across Illinois later today. Some of the high-res models hint at some very light precipitation this evening across the northern CWA. Forecast soundings remain fairly dry in the lower levels though, so will only mention a chance of flurries at this point.
326 PM CST Fri Feb 2 2018 18Z surface data has high pressure from Minnesota to the Gulf coast with a warm front in the Plains. However, what forcing that is present should be enough to generate a rain/snow mix or possibly all snow along and north of the highway 30 corridor.
/issued 1039 AM CST Fri Feb 2 2018/ Surface observations as of 10 AM show temperatures ranging from the low 40s to low 50s across SE Texas and SW Louisiana. Therefore, temperatures are not expected to rise much above the low 50s across most of the area. This update lowered high temperatures a degree or two to better reflect the cooler expected temperatures across interior SE Texas and SW Louisiana. /issued 523 AM CST Fri Feb 2 2018/ 12Z TAFS The cold front that moved through the area earlier this morning has moved offshore with only scattered light showers still impacting LFT and ARA. /issued 450 AM CST Fri Feb 2 2018/ The latest cold front is moving through the coastal waters of southern Louisiana headed deeper into the gulf.
235 PM MST Fri Feb 2 2018 Main focus will be on winds in the wind prone areas as well as the expected heavy snowfall over the higher mtns through Saturday.
252 PM EST Fri Feb 2 2018 High pressure will move over the region this evening on its way to the Mid Atlantic coast Saturday afternoon. The return flow on the back side should bring us warmer temperatures in the afternoon, after another cold start in the teens Saturday morning. Southerly winds that night will keep us from cooling down too much and forecast soundings hover around the freezing mark through a fairly deep layer.
115 PM PST Fri Feb 2 2018 An upper level ridge of high pressure will control the weather across Southern California through this coming week.
Warm, dry weather to continue through the weekend as the ridge of high pressure remains locked in place and light offshore flow will continue as well.
This along with mostly clear skies and a drier airmass filtering in behind the exiting cold front will allow temperatures to drop into the lower to mid 30s inland with mid to upper 30s along the coast.
230 PM CST Fri Feb 2 2018 Ahead of a shallow trough arriving in NW flow tomorrow afternoon, southerly winds will slowly moisten overnight but should fall short of generating low clouds or advection fog.
1022 AM MST Fri Feb 2 2018 Upper level analysis shows a trough over the eastern CONUS, with northwest flow over the northern plains. At the surface, a warm front is draped across the CWA.
For 18z Aviation discussion below A ridge of high pressure has settled across the Upper Midwest overnight and allowed skies to remain clear. This is the beginning of warmer air that will provide light snow or flurries to eastern Minnesota, and west central Wisconsin late this afternoon, and into the evening. The steady snow will remain north of the warm front, draped across southern MN. It looks dry and cold here with the trough in place. Ceilings over southwest MN just east of the warm front are MVFR. As weak lift develops this afternoon, it may be enough to saturate the lower levels and allow snow to develop. The highest snow chances are from central MN into west central WI, developing between 12z and 15z and continuing into the afternoon.
Cool high pressure will gradually build east of the region over the next 24 hours.
High pressure at the sfc and wnwly flow aloft will keep our fcst benign and, despite the chill in the air, pleasant. /issued 246 AM CST Fri Feb 2 2018/ Cold front has pushed well south of our region but a tight post frontal gradient remains with some stronger northeast wind gusts still being reported along and south of the I-20 Corridor.
High pressure is settling into the region and this ridge is going to be the cause of pretty cold temperatures again as winds die down tonight. Saturday will see temperatures climb back towards seasonal norms, a good 15 degrees warmer than today, but by tomorrow evening, precipitation will once again be on our doorstep. I don't have anybody falling below freezing Saturday night.
1140 AM CST Fri Feb 2 2018 Southerly winds over western Nebraska pushing a warm frontal boundary to the northeast with an associated stratus field. Nebraska lies primarily in northwest flow aloft the next several days as a ridge builds off the Pacific coast and a low remains anchored over the Hudson Bay.
As this low moves southeastward it will cause winds to shift out of the northwest.
No big changes expected today, as we continue to be locked in under high pressure. With no fog or clouds over the Rogue Valley this morning, have bumped up the high for today, but no other changes were made. Offshore high pressure and a thermal trough near the coast will strengthen again late today and continue through the weekend.
High temperatures today were in the mid to upper 70s with a few areas reaching into the low 80s today. Mostly sunny skies have turned to partly cloudy skies ahead of a cold front. Latest surface analysis has the cold front draped across northern/central Florida working its way down the peninsula. This cold front will not be like the past few we have seen reach South Florida.
249 PM EST Fri Feb 2 2018 Strong high pressure in the nations midsection heading east, will crest to the south and east of the mid Atlantic states on Saturday.
The cold front has pushed into the southeast Big Bend late this Friday morning with a few patches of light rain along the leading edge.
1147 AM CST Fri Feb 2 2018 Low clouds are impacting the lows this morning as they move east northeast across the area. Lows dropped into the low single digits over northeastern parts of the forecast area before the clouds moved in.
SHORT TERM (Now through Saturday Night): The weak cold front has moved well south of the Rio Grande Valley this afternoon. Cooler air continues to filter into the region this afternoon with near steady temperatures in the upper 50s to the lower 60s under cloudy skies. The cold front is expected to stall well south of the river tonight with a weak coastal trough/low developing along the boundary east of the coast. Light rain and drizzle will lift north to northeast as the warm front advances northward on Saturday.
Moisture embedded in the northwest flow will keep mountain showers going through tomorrow, especially across the West Central and Boise Mountains, and the higher elevations of Baker County, OR. An exiting upper trough will keep showers across the e-central Oregon and w-central Idaho mountains through mid-morning.
307 PM EST Fri Feb 2 2018 High pressure through Saturday.
High pressure will push eastward through the Tennessee Valley into the mid-Atlantic states tonight into Saturday, bringing dry conditions and warmer conditions to start the weekend as broad southerly flow develops on the back side of the high.
It will be warmer tonight and Saturday as winds become southerly.
Upper ridging continues off the West Coast resulting in dry weather over Interior NorCal with above normal daytime temperatures.
(This evening through Friday) Issued at 310 PM CST Fri Feb 2 2018 A broad mid-level trough stretched across the eastern CONUS resulted in northwesterly flow aloft over the central U. At the surface, the region was wedged between high pressure over the southeastern U. and low pressure over the Rockies. This warming trend will continue into Saturday as a tight pressure gradient remains in place with low pressure advancing further eastward across KS. Saturday into Saturday night, which will push a surface cold front southeastward across the CWA Saturday night. There will still be plenty of dry air to overcome in the low-levels, so do not expect any precipitation along the front.
220 PM EST Fri Feb 2 2018 Scattered snow showers and cold temperatures will be followed by warmer temperatures and dry conditions Saturday.
1039 AM CST Fri Feb 2 2018 Surface observations as of 10 AM show temperatures ranging from the low 40s to low 50s across SE Texas and SW Louisiana. Therefore, temperatures are not expected to rise much above the low 50s across most of the area. This update lowered high temperatures a degree or two to better reflect the cooler expected temperatures across interior SE Texas and SW Louisiana. /issued 523 AM CST Fri Feb 2 2018/ 12Z TAFS The cold front that moved through the area earlier this morning has moved offshore with only scattered light showers still impacting LFT and ARA. /issued 450 AM CST Fri Feb 2 2018/ The latest cold front is moving through the coastal waters of southern Louisiana headed deeper into the gulf.
Current thinking is that the highest amounts will be found in northwest Wisconsin with 3 to as much as 6 inches of new snow. Light snow will linger into Saturday evening in the wake of the departing trough.
Temperatures will begin to rise above freezing from the I-90 corridor southward today. The possibility also exists of freezing rain/drizzle as the cold air first moves into an area.
230 PM CST Fri Feb 2 2018 Upper pattern has a broad trough over the Eastern part of the country with a ridge over the Western US.
105 PM EST Fri Feb 2 2018 High pressure along with cooler and drier air overspreading the region through Saturday.
At 10AM wind gusts of 80 mph were observed on Mission Ridge. /sb 18Z TAFs: Areas of LIFR fog will remain an aviation concern frm KEAT to KGEG through 20z then winds expected to incr with the passage of a cold front. Precipitation type at all terminals will be rain except KEAT which is currently below freezing.
MET/MAV and better performing bias corrected grids support high temperatures ranging from the mid to upper 40s across the northeast and east to the low 50 possibly mid 50s across the rest of the area. Should see high temperatures in the low 50s north to near 60 south.
Surface ridging will build into the region overnight allowing temperatures to drop into the teens and twenties below zero.
First, for today high pressure scoots to the southeast with a warm front and associated low level warm air advection/isentropic upglide sliding in from the west this afternoon/evening. Meso models are the only ones that suggest there would be enough lift to work on the low level saturation (per bufkit soundings) to trigger snow showers. Tonight the warm front takes a more west-east orientation from southern MN into central WI later tonight. Current track favors keeping the higher chances along and north of I-90 with the Canadian more of an outlier, shifting higher chances south. 1 to 3 inches over a 24 hour period looking reasonable, with the higher amounts favored east of the Mississippi river. Forecast soundings continue to show the low levels of the atmosphere will have a very hard time saturating which will help to keep the ceilings VFR.
234 PM CST Fri Feb 2 2018 Upper pattern has a broad trough over the Eastern part of the country with a ridge over the Western US.
Cooler temperatures prevail this afternoon in the wake of yesterday's cold front.
359 PM EST Fri Feb 2 2018 High pressure will build across the region offering dry conditions into Saturday.
308 PM CST Fri Feb 2 2018 Stratus clouds continue to expand north and east across the area this afternoon ahead of an approaching warm front. Saturday the inverted trough noses into Iowa and southern Wisconsin.
1120 AM CST Fri Feb 2 2018 High pressure has settled in over Missouri with clear skies, lighter winds, and a cold airmass dropping low temperatures down into the single digits north of the MO River.
For now, TAFs were kept VFR given the low confidence. With the cloud cover, and increasing moisture, lows tonight will be 5 to 10 degrees warmer across the area.
935 AM PST Fri Feb 2 2018 An upper level ridge of high pressure will control the weather across Southern California through this coming week.
Meanwhile, some warmer air aloft does advect into the western CWA late tonight, spelling a potential mix of pcpn types late and into Saturday morning, especially along and west of the Missouri valley.
High pressure aloft along the west coast will maintain a somewhat moist northwest flow across the Great Basin the next several days. Water Vapor Satellite shows ridging along the West Coast. A little bit of warm advection lift across the north this morning as seen on 290-295K surfaces, with the lower condensation pressure deficits near the southeast Idaho border. The mean ridge position just off the west coast looks to hold firm over the next several days. The various global models show a further amplification of the eastern Pacific upper ridge early in the new week.
208 PM CST Fri Feb 2 2018 High pressure now over the Ozarks will shift to the east tonight. A cold front will move through the area Saturday night and bring the potential for some light rain or a mix of rain and snow to areas of the eastern Ozarks.
Upper ridging remain just off the Pacific Coast with deep northwest flow across the northern Plains. Models are indicating some precip may switch over to freezing rain across northwest SD as 850 mb temps of 0 to +3C push in late tonight with sub-freezing surface temps persisting.
High pressure over the western states will result in dry weather and well above average temperatures through the coming week. High pressure aloft was centered just off the California coast during the afternoon hours placing Arizona under a dry and mild northwest flow regime.
High pressure will start to take over this afternoon, which will calm winds down and while it'll be cold, there will be plenty of sun. Unless it was 30 degrees warmer, you couldn't ask for a better day. North winds will be a bit breezy this afternoon, but top out around 10-12 kts and relax this evening as high pressure takes over across the southeast U.
247 PM EST Fri Feb 2 2018 High pressure will move over the region this evening on its way to the Mid Atlantic coast Saturday afternoon. The return flow on the back side should bring us warmer temperatures in the afternoon, after another cold start in the teens Friday morning. Southerly winds that night will keep us from cooling down too much and forecast soundings hover around the freezing mark through a fairly deep layer.
High pressure over the western states will result in dry weather and well above average temperatures through the coming week. A ridge of high pressure was centered just off the California coast during the afternoon hours.
Water vapor imagery shows a short wave trough moving onshore into the Pacific Northwest today. Ahead of this wave, a lee side trough was deepening along the eastern slopes of the Rockies. Southerly winds, along with some increasing high level cloudiness, should keep low temperatures in the range of the warmer MAV guidance. A much warmer day is in store as west to northwest downslope winds result in high temperatures in the upper 50s/near 60 over central Kansas, ranging upward to the upper 60s over far southwest Kansas.
ranging from near 30F in the north to the low 40s in the far southeast. clouds will be on the increase later tonight along with warmer temperatures tomorrow. A few embedded elevated storms may also occur later in the night across the south as showalter indices drop to 0C in the trough axis.
Overnight lows will be above seasonal normals, in the low to mid 40s.
332 PM CST Fri Feb 2 2018 H5 analysis this morning had a closed low over northern portions of Hudson Bay, with a trough extending south into the upper Ohio valley. Broad west northwest and northwest flow extended west of the trough to the west coast of the CONUS and Canada. High pressure was located off the coast of southern California with a ridge extending north into the Gulf of Alaska. East of the low, a warm front extended into North Dakota.
/ISSUED 356 AM CST Fri Feb 2 2018/ Temperatures were beginning to fall in the wake of last nights cold front. A weak coastal trough will begin to develop tonight. The coastal trough will evolve into an area of weak low pressure and a warm front will extend up the coast. The front will bring warmer and more moist air toward SE TX. The low will depart Saturday night and rain chances will drop off during the evening.
250 PM EST Fri Feb 2 2018 High pressure through Saturday.
Cold front in the Gulf should stall out tonight and begin to work north as a warm front tomorrow.
VFR conditions expected through the TAF period with high pressure centered over northeast Arkansas attm, expected to drift east this afternoon through the overnight hours. High pressure is centered across MO/IA this morning with light NWly flow across AR. As this high moves east through the period, winds will gradually shift to the west with SWly winds at northern terminals after 03/00Z. Aloft, a large H500 trough was analyzed across the eastern third of the CONUS. As the upper trough continues pushing east, surface ridging will slide into the TN Valley and with southwesterly surface flow returning by Saturday.