Aikyam-Lab/Synoptic-Bench huggingface dataset:
Currently, low pressure is situated over eastern Montana with a moderate southerly flow over western and central ND. Late this afternoon and tonight, low pressure will move only slightly east to along the ND/MT border. The combination of these two forces will then keep chance pops across along and north of the Highway 200 corridor Friday into Friday evening, with some likely pops possible along and north of the Highway 2 corridor. In addition to the precipitation, convergence along a weak cold front boundary along the International border drops south during the day Friday, bringing a chance of fog with the showers, mainly across the northern half of the CWA.
258 PM MDT Thu Mar 30 2017 Current surface analysis shows low pressure over southern SK, with cold front trailing southwest into the Pacific NW. Upper level analysis shows slow moving low across western MO, with next trough across the western states. West-southwest flow ahead of the trough has brought increasing clouds and now a few showers across northeast WY.
This has stabilized our atmosphere and failed to allow sufficient heating and instability to be in place ahead of an approaching cold front. This cold front is moving across the western part of the forecast area this afternoon. As today's weather system pushes off to the north and east, upper ridging will build in for tomorrow. Highs tomorrow will reach the lower 80s in the north and into the mid to upper 70s elsewhere.
326 PM CDT Thu Mar 30 2017 Quiet weather across the forecast area this afternoon and much warmer compared to yesterday thanks to mostly clear skies and a decent downslope wind, mainly across the southern third of the forecast area. Have opted to lean towards the latter two models which means that we should see temps lean towards the warmer guidance for locations on the Caprock thanks to the west wind remaining in place. Even with the uncertainty in how surface conditions will evolve, temperatures will be a few degrees warmer tomorrow than today as warmer air mixes in from the southwest. Lee trough will also strengthen through the day as flow aloft becomes increasingly southeast ahead of the next storm system that moves west from the Pacific Northwest tonight into tomorrow.
Tonight through Friday Night: Elongated trough will continue to push into the desert southwest. Friday will be a day unlike we have seen in awhile! The ridge will nose into the area with mostly sunny skies to start the day. The ridge will flatten Friday night ahead of the next weather disturbance.
With lee trough strengthening, southwest winds will gust to 21 KTS at KABI and KSJT this afternoon, with stronger south wind gusts to 23 KTS beginning mid morning Friday. /issued 408 AM CDT Thu Mar 30 2017/ (Today and Tonight) Quiet and warmer today across west central Texas.
302 PM EDT Thu Mar 30 2017 High pressure continues to keep the weather dry today and tonight. however, as a cold front approaches, the high is being pushed eastward, and the pressure gradient across the region is increasing.
237 PM EDT Thu Mar 30 2017 Wrapped-up low pressure will bring rain showers to the upper Ohio Valley through Friday. After a brief break in activity shower/thunderstorm coverage will increase as the warm front begins to lift over the forecast area. Rain showers will continue early Friday as the upper low moves overhead.
453 PM EDT Thu Mar 30 2017 High pressure will crest over Quebec tonight and Friday.
Deep low pressure system will continue moving slowly east from the Eastern Plains to the Central Appalachians. The difference in pressure from the ridge over the Southeastern Atlantic Coastal region to the low is generating a healthy southerly flow which appears to be aiding in keeping lower ceilings and precipitation out of the Great Valley, due to a warming and drying downsloping flow across the higher terrain. In fact, convection which forms ahead of the Mississippi Valley cold front may not build into cha until around 03-05z and tys until around 05-07z.
Satellite imagery and surface observations show sunny skies and lightening winds as the pressure gradient relaxes and strong subsidence filters in behind the mid-level trough axis. Winds this evening will continue to veer to the east and eventually southeast tonight as high pressure moves eastward across the northern Gulf of Mexico. Tonight, there is a small window of opportunity for patchy fog across the Lower Rio Grande Valley due to subsidence aloft and light winds expected Friday morning, but confidence is low given the lack of surface moisture. Temperatures will heat up again to the lower 90s for most areas, which is about 10 degrees above normal highs for the end of March.
143 PM EDT Thu Mar 30 2017 Showers and thunderstorms are expected in the area this afternoon and tonight as a low pressure system approaches from the Southern Plains. Showers will taper off from west to east Friday as the low departs.
307 PM CDT Thu Mar 30 2017 Low clouds, drizzle, and light rain on the west side of an upper low over southern MO will gradually shift east during this time. Once the clouds clear, Friday should be seasonably cool with a northeast winds as high pressure moves into the Midwest. is expected to close off and slow as it moves into AZ/NM Fri night with a downstream upper level ridge moving over our area. The weather looks quiet during this time and warmer.
The cold front that moved across the region early this morning has pushed into the north central Gulf, with north to northwest winds 5-15 MPH and dry conditions in its wake. Expect to see some passing high level clouds as an 800-100 knot jet streak associated with a compact upper low over Missouri skirts the region with a few lower cumulus possible as afternoon temperatures rise into the 70s to possibly 80. Today a cold front will move off of the coast this morning. Cooler and drier conditions will affect the forecast area behind the front with near normal high temperatures expected.
An approaching cold front will bring increasing chances for shra/tsra to the terminals after 13Z on Friday and have added VCSH to all sites to account for this for now. High pressure surface and aloft will shift east southeast the remainder of today as a cold front approaches from the west. Similar to previous days temperatures will continue to run above normal with highs climbing into the mid and even some upper 80s over interior locations during the afternoon, but with cooler readings along the immediate coast where a weak onshore sea breeze component will develop during the afternoon.
112 PM CDT Thu Mar 30 2017 Areas of rain showers and drizzle will impact eastern Kansas this morning, as the deep upper low slowly exits eastward.
Weak synoptic ascent will be provided by northern portion of a split trof as it moves across the northern Rockies tonight and Friday, but bulk of precip will be along our north aspects. Precip will taper off from west to east Friday night as northern PV shifts east and subsidence spread in from the west, with the upper low well to our south. Fog possible in the early morning hours over the central Plains given the low-level moisture that will be hanging around.
Models are struggling with whether or not the low clouds will stay into the overnight hours. There will be weak high pressure extending from western Lake Superior, and a larger area across much of northern and central Canada. A low over southern Hudson Bay Friday night will attempt to extend a weak trough across our northeastern counties.
Warmer today ahead of a storm system that will bring increasing winds this afternoon and continuing into Friday.
146 PM EDT Thu Mar 30 2017 Wrapped-up low pressure will bring rain showers to the upper Ohio Valley late today through Friday. Most locations will see dry conditions from mid-afternoon until early evening as the warm front begins to lift over the forecast area and coverage increases substantially. Rain showers will continue early Friday as the upper low moves overhead.
318 PM EDT Thu Mar 30 2017 Showers and thunderstorms are expected this afternoon and evening as a low pressure system approaches from the Southern Plains. Showers will taper off from west to east Friday as the low departs.
/issued 955 AM CDT Thu Mar 30 2017/ Still seeing main convection area over the southeast corner of the forecast area and the Lower Atchafalaya Basin this morning, and this where the activity will continue for the remainder of the morning into early afternoon, as moist plume moving out of the Gulf is being enhanced by upper level divergence. Cyclone moving out of the Southern Plains into the Mid-Mississippi Valley will help push a cool front across the forecast area, bringing drier air and gradually ending convection during the afternoon. The cold front which is noted this morning moving into the northwest portions of the area and approaching BPT.
With the primary instability axis shifting well to the east into the Ohio River Valley, do not think any widespread thunder will occur with the precip on the back side of the low. Temperatures will cool on the back side of the low.
Renewed surge across wc IL expected to remain largely south of WI and trend east but will keep some pops going for a time this evening to account for any additional rain that may form ahead of the mid level trough axis.
253 PM CDT Thu Mar 30 2017 Closed upper low moving through the area currently will continue to influence our weather through the night and into tomorrow morning.
313 PM CDT Thu Mar 30 2017 Tonight-Friday: Upper low will continue to drift east tonight. Given light winds as ridge move into area and copious soil moisture, think there is a good chance for radiational fog later tonight where skies clear.
Little change in the pattern is foreseen during the next several days as an upper level ridge of high pressure remains in control. The ridge will get flattened, at least temporarily, by the passage of a weak short wave trough across northern California early this weekend.
739 AM EST Thu Nov 10 2016 The cold front is through Sarasota, and expect continued clearing through the day as the front continues to push south through the area. High pressure will settle in across the deep south keeping skies mostly clear and temps seasonal. Closed upper low in the desert SW opens and slides east to the Tennessee River Valley through the weekend. At the surface Great Lakes high pressure center drops into the Mid Atlantic states keeping easterly low level flow with fairly dry and seasonable conditions over West central and SW Fl through the weekend.
Increasing cirrus late tonight will likely disrupt cooling some and keep lows a little warmer along/west of the MS River.
a broad upper level low will continue to spin over northern Mexico, while high pressure remains in place across Colorado. A disturbance passing well to the north is forecast to send a cold front south across the eastern plains by this afternoon. This should help keep overnight lows slightly warmer, with lower to mid 30s for lows.
1030 AM EST Thu Nov 10 2016 High pressure will build into the region from the west today, then push to our south tonight. A dry cold front will move southward through the area on Friday, then chilly Canadian high pressure will build in from the northwest Friday night through the weekend. This will push a backdoor cold front SSE through NC on Fri, and this front will settle well to our south Fri night as chilly Canadian high pressure drops through the Midwest and extends through the Mid-Atlantic region and NC.
Issued by State College PA 1020 AM EST Thu Nov 10 2016 A Canadian cold front will bring a few light rain or snow showers to NY and PA tonight into Friday.
After an evening of clear skies and light winds allowing temperatures to drop to lows in the lower to mid 30s, temperatures have recovered to the mid 30s to lower 40s as southwest winds increased after midnight. This warmer air is going to dominate the weather today as a cold front drops into the northern plains. I've gone on the warm side of guidance with highs in the lower 60s northeast to mid to upper 60s central and southwest. Tonight, the cold front will arrive after sunset, but it will lack a strong initial cold advection push.
625 AM EST Thu Nov 10 2016 High pressure over the Ohio Valley will slide off to the south today providing an increasing southwest flow and warmer temperatures. A cold front will drop across the area later tonight and bring colder air again on Friday. High pressure will build across the lower Great Lakes and Ohio Valley this weekend. Will forecast the high end of the max temperature guidance given the upstream temperatures yesterday in the same air mass. Highs near 60 or in the lower 60s. The models continue to trend somewhat faster with the cold front tonight with a frontal passage between midnight and before daybreak from north to south.
1045 AM EST Thu Nov 10 2016 Currently - A broad high pressure system over the southeastern United States extends a ridge down the Florida Peninsula. Short Term Update - The ridge aligned along the Florida Peninsula will spread eastward this afternoon as a mid latitude trough migrates further out into the Atlantic. Deep layered ridging will build northwards through the eastern Gulf of Mexico. Temperatures will edge upwards into the lower 80s with dew points lingering in the mid 60s. High pressure over the southeastern United States, including Florida, will spread eastward, turning winds more east northeasterly.
Upper ridging today into Friday will make for temperatures 10-15 degrees above normals.
Expect MVFR to IFR conditions to continue to develop across the coastal sections of deep south Texas this morning and continue through today as a coastal low across the western Gulf of Mexico continues to bring elevated showers across the lower TX coast. A coastal trough across the western Gulf of Mexico will continue to provide a focus for convection across the coastal sections of the CWA today and tonight as well as across the coastal waters. Best rain chances will be confined across the lower TX coast and offshore today through Friday.
For today, the center of the high pressure will continue to move east keeping a southerly low across the area. For Friday, high pressure will begin to build into the region clearing out the clouds by afternoon.
650 AM EST Thu Nov 10 2016 High pressure centered to the southwest will keep dry weather over the region today. A cold front will cross the area early Friday, followed by more high pressure and dry air for the weekend.
/issued 355 AM CST Thu Nov 10 2016/ An upper low continues to slowly move westward and will soon settle over the AZ/NM/Mexico boarders later today through tomorrow, keeping rain chances in the forecast on into the weekend. Clouds should remain in place again today with highs only a few degrees warmer than yesterday.
528 AM CST Thu Nov 10 2016 Quiet conditions reign across the region early this morning, with upper air and satellite continuing to show ridging being the main feature for us, while the cut off low continues to spin over the border along the desert SW and Mexico. At the surface, southwesterly winds are in place across the area, ahead of a trough axis extending through western portions of the Plains. No precipitation is expected as this disturbance slides off to the north, but an accompanying surface cold front will push through much of the CWA during the daytime hours today.
532 AM CST Thu Nov 10 2016 Other than brief MVFR conditions due to fog this morning, widespread vfr conditions are expected as high pressure dominates. High pressure remains squarely on top of the state this morning and will be the dominate weather feature today with clear skies and temperatures very close to where they are supposed to be. In the upper levels, a cut off upper low will continue to sit over west Texas and have little impact except to throw a few clouds our way on occasion. Meanwhile a cold front, that is a cold front in name only, will be entering the far north part of the state at the end of the period. Temperatures on Friday will be slightly warmer on Friday in advance of the boundary.
Otherwise, look for mostly sunny skies today and mild temperatures that will push into the lower 60s in many areas. Tonight a cold front will push through from north to south ushering in much colder air.
Areas of dense fog have been reported this morning along the I-90 corridor from St Regis to Drummond and along the Highway 93 corridor from Stevensville to Kalispell. In addition, moisture may freeze on bridges, causing locally slick roadways. The ridge rebounds later today into tonight and will allow for the redevelopment of fog. A ridge of high pressure continues to be the dominant feature over the Northern Rockies causing strong valley inversions.
624 AM CST Thu Nov 10 2016 Dry cold front moving through the region this morning. Northwest winds will pick up today as the pressure gradient tightens behind a departing trough. High pressure, with clear skies and light winds will move in tonight.
1011 AM EST Thu Nov 10 2016 High pressure along with cooler and drier air will continue building into the region today and Friday. Another cold front will cross the region Friday night with limited moisture and cloudiness expected.
A ridge of high pressure continues to be the dominant feature over the Northern Rockies causing strong valley inversions.
High pressure will remain over the area today. A cold front will move through the Mid-South on Friday. Cooler conditions are expected behind the front.
Latest 08z surface analysis indicates high pressure over the Ohio River Valley and weak cold front over the central Dakotas. with the NAM slightly warmer than the GFS/ECMWF. Expect temperatures to be unseasonably warm today with highs in the lower to middle 60s. cooler airmass advects into the forecast area. High temperatures will be around 15 degrees cooler than today.
High pressure over the Central Plains and the Ohio Valley will bring another day of sunny. A weak cold front will sag across Indiana early on Friday. Another cool high pressure system will build across the region for the weekend.
645 AM CST Thu Nov 10 2016 Minor adjustments to winds to adjust for current location of the cold front. As of 09z, a weak cold front continued to make its way across the forecast area with northwest winds across the Devils Lake basin and far northern Red River Valley. Even with plenty of sunshine again today, the cooler northwest flow will keep temperatures in the 50s across the majority of the area (possibly low 60s across the far south), although still plenty mild for this time of year. Highs topping out in the 40s will feel quite a bit cooler than the record readings as of late but still a bit above average.
Temperatures this morning ranged from the low 30s to the upper 30s. A mean ridge with a few weak upper depressions will persist over the nation's midsection through the next several days.
Temps tonight looks as though they will be a good 5 degrees or so warmer than this mornings temps.
but building high pressure to our north will relax the gradient by late afternoon. A cool ridge of high pressure is settling over the Southern Plains and the Lower MS Valley this morning. Aloft, an upper low remains over Northern Mexico with the southern stream of the jet just south and east of the CWA. Today and Friday, temperatures will be near climo values and weakening CAA will continue as the ridge continues to build in.
615 AM EST Thu Nov 10 2016 High pressure will build into the region from the west today, then push to our south tonight. A dry cold front will move southward through the area on Friday, then chilly Canadian high pressure will build in from the northwest Friday night through the weekend. Expect highs of 61-67, and wide-ranging lows tonight of 35-42, with diminishing winds backing to WSW as lee troughing develops. This will push a backdoor cold front SSE through NC on Fri, and this front will settle well to our south Fri night as chilly Canadian high pressure drops through the Midwest and extends through the Mid-Atlantic region and NC.
A cold front will pass through the DHT and GUY TAF sites tonight and will approach the AMA TAF site by late in this forecast. Winds will turn to the northwest behind the cold front. /Issued 403 AM CST Thu Nov 10 2016/ A closed upper low over northern Mexico today will begin lifting north and east across the southern Rockies and West Texas tonight and Friday.
Current frost advisory underneath this ridge looks on track for the morning hours, with some of the coldest temps in NE OK.
The frontal boundary will continue to push south across the region into tonight, with clearing skies and cooler temperatures in its wake. Behind the front, high pressure will build across the region with dry and pleasant weather heading into the weekend.
558 AM EST Thu Nov 10 2016 High pressure will briefly build overhead for today into tonight before a reinforcing cold front moves through Friday.
The closed upper low will remain nearly stationary over northern Mexico today. Should see showers redevelop over southwest portions of the forecast area during the day as a weak disturbance on the east side of the upper low lifts north across the area. Temperatures will be a little warmer today, ranging from the middle 60s over eastern counties where the breaks occur, to the lower 60s over western counties.
403 AM CST Thu Nov 10 2016 A closed upper low over northern Mexico today will begin lifting north and east across the southern Rockies and West Texas tonight and Friday.
Temperatures continue to warm into the upper 30s to the lower 40s and the threat of frost has ended. After some patchy early morning fog in rural areas, high pressure will provide us with blue skies, light WSW breezes, and afternoon temperatures in the lower and middle 60s today. Tonight the high will weaken and a cold front will approach from the northwest. That cold front will pass through here Friday morning. Highs Friday will be in the lower and middle 60s, probably early in the afternoon before cool air starts coming in from the north later.
Sure we have a cold front that will push through every couple of days. This will help keep us cooler than we have been, but each front is DRY.
425 AM CST Thu Nov 10 2016 We will keep some cloudiness in the southwest along the northern periphery of the cloud band associated with the cut-off low currently in the Arizona/New Mexico/Chihuahua/Sonora border, but otherwise most areas will see a lot of sun with seasonable temperatures.
621 AM EST Thu Nov 10 2016 High pressure today. A mostly dry cold front crosses Friday, with much cooler air for the weekend.
Deep mid/upper trof just off the east coast early this morning will move further east into the North Atlantic through tonight with associated upstream mid/upper ridging developing over our forecast area. Sheared vorticity axis over Gulf Coast region early this morning will move on off to the east with the upper trof as it moves out, taking the remaining mid/high clouds currently over the region with it by late today. In the lower levels and at the surface, dry high pressure ridges across the area from the northwest. With the ridging and drier air, no rainfall is expected today through tonight. Lows tonight in the low to mid 40s over all of the interior, upper 40s and lower 50s closer to the coast.
409 AM CST Thu Nov 10 2016 While cooler and drier air continues to backdoor SW into the region this morning ahead of sfc ridging over OK/AR. the IR satellite imagery depicts an extensive area of cirrus quickly spreading NE across E TX/Wrn LA ahead of the broad upper low that has retrograded W into Nrn MX. With the reinforcement of the cooler/drier air mass into the area.
Continued temperatures in the low to mid 70s for most locations are expected, however rain cooled locations across the west may still struggle to break 70 degrees.
Another mild day in store today, but will be breezy as a cold front moves through the region. With mixy environment, have sided towards warmer guidance values.