Aikyam-Lab/Synoptic-Bench huggingface dataset:
338 PM CST Tue Jan 17 2017 High pressure will continue to build in across the region tonight into Wednesday. The high is NOT of arctic or Canadian origin. Biggest question is whether we will get any clearing under the dome of high pressure. Even if we finally were to get rid of the lower clouds, high clouds ahead of the next storm system will likely be streaking northeast into the region later Wednesday.
A cold front currently extends from Victoria back westward and west southwestward to south of Cotulla.
1243 PM EST Tue Jan 17 2017 A weak cold front will move through the region on Wednesday with widely scattered showers.
218 PM CST Tue Jan 17 2017 Upper level low moving just east of the bootheel of New Mexico will team up with subtropical moisture to bring a fairly good chance of showers to the region tonight. The upper level low will track northeast tonight and will move into Kansas on Wednesday.
1257 PM EST Tue Jan 17 2017 Moisture associated with low pressure and a cold front will affect the area today.
1249 PM EST Tue Jan 17 2017 A warm front will lift north across the area with occasional rain expected today.
1157 AM EST Tue Jan 17 2017 Aviation A storm system moving through the Great Lakes will bring rain and freezing rain to the area into mid morning. High pressure will bring dry conditions with slow clearing Wednesday into Wednesday night.
1157 AM EST Tue Jan 17 2017 High pressure remains in full control and with the exception of adding some isolated showers in the forecast from streamers off the Bahamas, no other changes were required.
343 PM EST Tue Jan 17 2017 While a cold front crossing the region will bring temperatures closer to normal on Wednesday, the entire 7 day forecast period will have above normal temperatures.
255 PM EST Tue Jan 17 2017 A stationary front over the Carolinas will move north as a warm front this evening. A weak cold front will push through the area early Wednesday.
The main cold front moves through this evening/tonight and winds will become westerly.
Low clouds had cleared across much of northeast Nebraska early this morning with trend of decreasing clouds expected to spread east during the morning as an amplifying short wave trough moves across eastern Nebraska and western iowa.
One more upper trough is swinging through WI this afternoon. Temperatures are hovering just above freezing. I expect temperatures to hover just above freezing until this rain moves out, so no mention of freezing rain. Lows tonight will be in the upper 20s, so any wet roads and sidewalks without treatment have a high likelihood of re-freezing overnight.
129 PM EST Tue Jan 17 2017 Cold front pushes through this afternoon into tonight. Warm front has passed through the region and temperatures are now climbing into the upper 50s to low 60s. Cold front will enter the Ohio Valley this afternoon and be through the region later tonight. Enough cold air looks to filter in aloft to change rain over to snow across the higher elevations, but not thinking much in the way of accumulation.
151 PM EST Tue Jan 17 2017 Hydro A storm system moving through the Great Lakes will bring rain and freezing rain to the area into mid morning. High pressure will bring dry conditions with slow clearing Wednesday into Wednesday night.
A weak, slow moving cold front was located just to the west. Temperatures will remain mild, with most locations reaching the low to mid 60s.
A cold front currently lies roughly along the Mississippi River. Meanwhile, locations across Northeast Arkansas may only see a rise of a couple of degrees while locations across portions of Northeast Mississippi will see temperatures rise into the lower 70s since the front will not pass through until the afternoon hours. Readings will range from the mid 50s to the lower 70s.
Another round of showers and some convective activity will be possible again Wednesday night as the base of the H5 trough pivots across central Texas.
Visibilities should improve after 15z tomorrow, but the low ceilings are expected to linger through the rest of the forecast period.
1159 AM EST Tue Jan 17 2017 A weak cold front will cross the state this morning. High pressure is expected to build across the region on Tuesday.
Periods of Freezing Rain for Portions of the Northern. A very weak disturbance will continue to move through northwest Montana potentially causing some light snow and potentially some light freezing drizzle. This area will have a combination of snow, then freezing rain and finally all rain by Wednesday afternoon. Even though the precipitation will be rain, sub surface temperatures remain well below freezing so after sunset tomorrow roadways could refreeze. Precipitation will be lighter but the potential of freezing rain is a high probability.
Assuming this stratus isn't too extensive, and assuming we have melted most of the snow/ice by midday, and given how temperatures are behaving today, warmed up Wednesday's highs closer to the warmer 12z MAV guidance (upper 40s and lower 50s). most of the ice and snow gone by midday tomorrow, increased high temperatures, closer to the warmer 12z MAV guidance. The developing trough of low pressure at the surface over eastern Colorado will deepen mid week as an upper level low/trough crosses the central and southern Rockies. The developing southern winds in the lower levels will begin to draw some moisture back into south central and portions of southwest Kansas early Wednesday ahead of this upper wave which will give rise to some increase clouds and possibly some very light precipitation.
335 PM CST Tue Jan 17 2017 Main forecast issues for tonight/early Wednesday will be rain chances associated with a compact upper low centered near El Paso this afternoon, and potential for some fog tonight. Rain beginning to spread into north Texas this afternoon in warm conveyor belt east of the upper low. Considerable lightning has been noted through today both in the warm conveyor and near the low center and as the system moves ENE, deeper moisture will begin to spread north into eastern OK this evening and eventually to parts of western AR later tonight.
Assuming this stratus isn't too extensive, and assuming we have melted most of the snow/ice by midday, and given how temperatures are behaving today, warmed up Wednesday's highs closer to the warmer 12z MAV guidance (upper 40s and lower 50s). The developing trough of low pressure at the surface over eastern Colorado will deepen mid week as an upper level low/trough crosses the central and southern Rockies. The developing southern winds in the lower levels will begin to draw some moisture back into south central and portions of southwest Kansas early Wednesday ahead of this upper wave which will give rise to some increase clouds and possibly some very light precipitation.
252 PM CST Tue Jan 17 2017 08z/2am surface analysis shows 1008mb low near Chicago, with cold front extending southward along the I-57 corridor. to the lower 50s near the Indiana border. Lows tonight will generally be in the lower to middle 30s. High pressure moving off to the east will allow moisture to return to the area just ahead of the next weather system coming out of the southern plains.
1107 AM CST Tue Jan 17 2017 With westerly low level flow, albeit weak, and a sharp inversion with temperatures around freezing at 1. Ridge tops, like the Prairie Coteau and Leola Hills, should warm into the upper 20s or warmer today. Warmer air will filter into the region on Wednesday with temperatures reaching the low to mid 30s for most locations. Have ignored the warmer GFS solution and kept temperatures cool.
1057 AM MST Tue Jan 17 2017 Mostly clear skies are being reported across the forecast area tonight as an area of high pressure begins to build over the Great Basin and Intermountain West. Looks like dry weather today and Wednesday with seasonally mild afternoon temperatures as a ridge of high pressure briefly resides over the forecast area. Expect clouds to slowly diminish Wednesday night as the closed low over the Panhandle of Texas moves east.
329 PM EST Tue Jan 17 2017 A slow moving cold front continues to make progress eastward across the forecast area. Decent low level lapse rates depicted combined with the low level moisture will likely result in some patchy drizzle or maybe even a few isld sprinkles or showers. Wed highs should be cooler behind the front in the upper 40s/lower 50s.
100 PM CST Tue Jan 17 2017 Large upper trough extending from the Canadian border well into Mexico will develop a closed low over the AZ/NM border. This low will slowly slide east the next couple of days as a West Coast trough pushes it along.
251 PM EST Tue Jan 17 2017 Ridge of high pressure situated over northeast GA will erode into Wednesday as low pressure approaches the state from the west. As the cold front approaches, the band of enhanced moisture stretching across the Tennessee Valley will sink into north Georgia.
1036 AM PST Tue Jan 17 2017 High pressure surface and aloft will continue to bring dry weather today through Wednesday as weak offshore flow prevails over the region.
300 PM EST Tue Jan 17 2017 High pressure will move east of the region overnight.
Most ridge tops already above freezing with valley locations still in the teens. Synoptic Setup:short term begins with a large ridge nosing in over California and Oregon running over the intermountain west and spilling over the Montana Front range where it is forming a chinook and finally cresting over Manitoba and The Dakotas. Farther west a large trough is forming over the northeast Pacific behind the ridge.
High pressure aloft will settle over the Great Basin for the first half of the week. The axis of the upper ridge extending from the eastern Pacific through the northern Rockies will roll over into Utah for Tonight/Wednesday.
Today and tonight: Cooler than normal and dry through the period. Wl remain under northwest flow aloft through tonight but the large amplitude upper level trough that has been over the region this week will be shifting east today.
436 AM EDT Fri Apr 7 2017 An upper trough will move to the east today. Temperatures will be cooler across eastern portions of the forecast area today where cloud cover will linger longer. As high pressure builds into the region expect cloud cover to diminish and winds to decrease. Went with a freeze warning across the eastern half of the area where there is more confidence in less cloud cover and cooler temperatures. With the potential for some clouds to move in later into western portions of the area went slightly warmer with temperatures for now and went with a frost advisory. Ridging aloft and southerly low level flow will result in warming with dry conditions early in the period.
210 AM EDT Fri Apr 7 2017 A strong low pressure system over the Northeast U.
622 AM EDT Fri Apr 7 2017 It will be breezy today with low pressure in the Northeast States and high pressure building across the Lower Mississippi River Valley.
Frost Expected Tonight, Some Locations Just Below Freezing. High temps will be about 10 degrees below normal, but should be slightly warmer than yesterday with readings topping out in the mid and upper 50s. There is some concern that our far northeastern counties will dip into the mid and upper 20s for at least a couple hours as dew points in the low 20s will be accompanied by good radiational cooling. Several of our coolest valleys will decouple and should end up below freezing. Main factors limiting confidence at this time will be some upper sky cover by then, and light surface winds as the high pressure is centered to our south.
351 AM CDT Fri Apr 7 2017 A quiet and cool morning for the forecast area as high pressure will fully be in place over the southeast over the next few days. Expect dry and cooler temperatures for the region through Saturday. Expect highs today to be in the lower 70s and overnight lows to dip well into the lower 40s across the northshore.
458 AM CDT Fri Apr 7 2017 (Today and Tonight) Dry weather will continue across West Central Texas the next 24 hours, as a short wave ridge moves over the area through tonight. At the surface, a lee trough will strengthen today, resulting in a tightening pressure gradient and an increase in south winds today.
331 AM EDT Fri Apr 7 2017 A stacked low pressure area was located over New York this morning, with an upper trough extending southward across central Georgia. The base of the upper trough will swing through the region through the day, reinforcing the drier and cooler air across the region. It will be a sunny and cool day, with highs in the mid 60s to the lower 70s.
The deep upper trough over the local area will gradually deamplify and move east off the Atlantic seaboard as the vertically stacked low pressure system over New England lifts slowly northeastward. At the surface, high pressure over the central Plains will drop southeastward covering the southeast states late Friday through Saturday night.
However, upstream over northern OH and IN is another weak wave rotating south around the closed low still slowly exiting to the northeast. As strong high pressure begins to move into the area, skies will clear out by this evening with strong subsidence in place. Will allow the next shift to assess the situation for any possible need of an upgrade to a Freeze Warning but with only a few valley locations possibly reaching well below freezing conditions, a Frost Advisory is more adequate at this point. For Saturday, high pressure well in place and the air mass moderating well, temperatures will climb into the mid 60s.
347 AM CDT Fri Apr 7 2017 An upper trough is moving over the Pacific Northwest with another upper trough over the New England states. Upper ridging has developed over the central part of the country with west flow aloft. High temperatures today are expected to be a little warmer than yesterday with highs in the 80s across most of the area. The upper trough over the Pacific Northwest moves eastward on Saturday and a dryline develops across the far eastern Permian Basin and Lower Trans Pecos.
The low level jet mixes out on Friday and the pressure gradient tightens, resulting in breezy to windy southerly winds over the region Friday. The waa pattern will usher much warmer air into the cwa on Friday, too.
Instability ahead of the cold front warrants adding a slight chance of afternoon thunderstorms. Temperatures will be 5-15 degrees cooler.
Mostly clear skies and dry conditions are expected through tonight as an upper level ridge builds above the Rockies. A trough of low pressure will be found across eastern Colorado leading to breezy southerly winds today then shifting to the southwest tonight.
232 AM PDT Fri Apr 7 2017 A fair but cooler day today will be the prelude to a weak storm system moving through Southern California tonight and Saturday.
306 AM MDT Fri Apr 7 2017 Strong upper ridging across the central CONUS will continue to bring mostly sunny skies to the area today. Upper trough will cross the western CONUS Saturday with active SW flow aloft developing. A cold front crossing the area will bring cooler temps to NE WY and NW SD.
A quiet morning with light winds and only a few high cirrus with high pressure in control. 63" of precipitable water (in the lowest 10th percentile of climatology); hence no precipitation is in the forecast. Fairly flat ridging to zonal flow aloft will prevail, though high clouds are streaming from the E. At the surface, high pressure now nearly overhead will move toward the ArkLaTex region tonight and be nudged a little further eastward by Friday night. As a result, dewpoints will climb back into the 50s F and into the low 60s by early Saturday morning.
341 AM EDT Fri Apr 7 2017 Low pressure over northeastern New York this morning will gradually weaken today through Saturday as it moves slowly northeast along the St Lawrence Valley.
A quiet morning ahead with light winds and only a few high cirrus with high pressure in control. /issued 409 AM CDT Fri Apr 7 2017/ SHORT TERM (Now through Saturday): High pressure over East Texas will shift east, ahead of mid level ridging emerging over the High Plains. Pressure falls over the plains as ridging moves out will support a mild tightening of the local pressure gradient and thus moderate southeast winds through the short term.
South winds will pick up this afternoon as the ridge axis shifts east. Much warmer temperatures will accompany the breezy conditions.
641 AM EDT Fri Apr 7 2017 An upper trough will move to the east today. Temperatures will be cooler across eastern portions of the forecast area today where cloud cover will linger longer. As high pressure builds into the region expect cloud cover to diminish and winds to decrease. Went with a freeze warning across the eastern half of the area where there is more confidence in less cloud cover and cooler temperatures. With the potential for some clouds to move in later into western portions of the area went slightly warmer with temperatures for now and went with a frost advisory. Ridging aloft and southerly low level flow will result in warming with dry conditions early in the period.
WV showing quite nicely a strong jet and associated cold front across the western US right now. The mentioned cold front then moves across the state this afternoon and evening. with a slightly cooler.
238 AM EDT Fri Apr 7 2017 It will be breezy today with low pressure in the Northeast States and high pressure building across the Lower Mississippi River Valley.
1139 PM MDT Thu Apr 6 2017 Hand analysis at H5 showing strong ridging over the Rockies separating a storm in the mid-west and very vigorous storm system digging along the left coast of NOAM. Lows will also be on the rise with only a very small probability of freezing temperatures returning to the orchard areas. The cooler air will come in two stages as the lead cold front will hang up to our west and weaken on Saturday before limping into the divide Saturday evening. Moderately steep lapse rates will help couple these gradients and expect wind advisories will be more probable than not for much of the lower elevation valleys on Saturday.
Sprawling ridge of high pressure currently extending from Ontario to Texas will shift slowly eastward tonight. Overnight lows will drop into the lower to middle 30s, with a few upper 20s possible northwest of the Illinois River. High pressure will move overhead on Friday, resulting in a mostly sunny and cool day with high temperatures in the lower to middle 50s. Once the high shifts east of the region, southerly winds will return and a major warming trend will get underway by Saturday.
452 AM EDT Fri Apr 7 2017 Under partly to mostly cloudy skies and a predominate northwest wind, temperatures are averaging in the lower to mid 70s along the island chain. Surface wise, a cold front is draped from the northwest Bahamas to across the central portion of the archipelago of Cuba. In wake of a deep and full latitude trough covering the entire eastern United States and the Sunshine State, strong high pressure will result in large scale descent, limited moisture and below normal temperatures through Saturday night. Meanwhile, the coolest temperatures with low temperatures averaging in the lower 60s can be expected tonight with temperatures struggling to get out of the mid to upper 70s on Saturday.
623 AM EDT Fri Apr 7 2017 Gusty west winds will continue today as strong low pressure lingers over the northeastern United States. Temperatures will average below normal through Saturday as high pressure builds in from the northwest.
Deep upper trough will slowly progress eastward today. In the wake cold air advection will persist bringing much cooler temperatures to the region. Strong northwest flow will produce widely scattered to scattered showers and in the higher elevations - snow showers through the remainder of the morning. Breezy and occasional gusty winds will persist through much of the day, however, the wind advisory for the higher elevations issued yesterday has ended. Widespread frost will be likely for many areas and freezing conditions will occur in the highlighted areas covered in the freeze watch.
616 AM EDT Fri Apr 7 2017 The deep low that brought strong winds to the area yesterday will continue to move slowly northeast today with high pressure building into the Midwest in its wake. The high pressure system will move across the area tonight providing fair weather with lows around freezing. Dry weather will continue through the weekend as the high moves slowly east, with southerly winds on its backside resulting in a significant warm up.
330 AM EDT Fri Apr 7 2017 The deep low that brought strong winds to the area yesterday will continue to move slowly northeast today with high pressure building into the Midwest in its wake. The high pressure system will move across the area tonight providing fair weather with lows around freezing. Dry weather will continue through the weekend as the high moves slowly east, with southerly winds on its backside resulting in a significant warm up.
High pressure is sprawled all over the area this morning with only a single mb difference from Tyler to Monroe where pressure is the highest rounding up to 1024mb. Much less wind than we have seen here lately to say the least with the high pressure air mass to continue to drift Eastward.
Overall trend with ongoing forecast seems reasonable with lows in the lower 40s west to lower 30s in the James Valley. High pressure over the eastern Dakotas will move east tonight as low pressure over the lee of the northern rockies moves into eastern Montana. Current surface analysis places high pressure from near the Red River Valley into the Central Plains, while a trough stretches from generally the Great Basin into the Canadian Rockies. Upper level analysis places well amplified ridge stretching through the Northern Plains towards the Four Corners region. quiet weather remains with a southerly breeze as warmer airmass continues to shift into the area. very mild temperatures expected as ridge remains over the region. Ridge scoots off to the east though temperatures will remain quite mild through the day.
Per latest satellite imagery, a deep trough exists over the eastern CONUS, with the parent low spinning over the Great Lakes Region this afternoon, with another trough developing off of the West Coast. A high amplitude ridge has developed between these systems over the Intermountain West, and will move eastward over the region the next couple of days. The upper ridge will stave off precipitation chances through the weekend, with temperatures expected to warm to the upper 70s to upper 80s on Friday, and into the upper 80s to middle 90s on Saturday, closer to normal for late May.
Surface ridging will continue to build in under the eastern CONUS trough through the day. A strong gradient will remain between this ridge and the departing low over the Northeast, resulting in wind gusts between 20 to 30 mph this afternoon.
424 AM CDT Fri Apr 7 2017 Upper ridging will become more defined across eastern NM today before apexing the local area tonight. Height rises of around 30 meters at 500 mb spell welcome thickness gains, further aided by 15- 20 mph southerlies ahead of lee troughing in the High Plains of NM. With the thermal ridge poised just W-NW of our western counties, our modest dewpoints in the 30s and 40s will remain largely unchanged today within a very modified fetch from the Gulf. The upper level ridge will move east of the area Saturday with southwesterly flow aloft.
346 AM CDT Fri Apr 7 2017 The upper level pattern across the CONUS consists of an upper trough along both the East and West Coasts, separated by a dominant ridge over the Plains.
Surface analysis shows a high pressure system over the eastern parts of Kansas and Nebraska. All during the day, the south winds should gradually raise the low level moisture and the dew points will raise. The additional moisture will keep low temperatures a little warmer tonight.