Aikyam-Lab/Synoptic-Bench huggingface dataset:
912 PM CDT Sun Oct 15 2017 As of 9 PM, the long anticipated cold front extends from near Krotz Springs southwest to near Grand Chenier. The cooler air is running between one and two hours behind the initial frontal boundary as noted by area observations but parts of central Louisiana have already fallen back into the upper 60s. The cold frontal boundary is just entering the lakes region of southeast Texas with a few light showers along and just ahead of the boundary. Look to see rains ending quickly this evening as high pressure moves down into the gulf coast. Drier air spilling in with overnight lows expected into the lower 60s down along the I-10 corridor and mid 50s across central La and into the lakes region.
Tonight through Monday, an upper level trough across the upper Midwest, southward across the mid MS river valley will move into the eastern US by 00Z TUE. The center of a broad ridge of high pressure will move southeast across the CWA Tonight, then shift southeast across northern AR into north TX by Monday afternoon.
/issued 354 PM CDT Sun Oct 15 2017/ (Tonight and Monday) As high pressure builds over Texas tonight and tomorrow, much cooler and drier air will help produce temperatures well below seasonal normals. For tonight, surface winds from the north will continue to bring cooler air into West Central Texas. With skies clearing overnight, watch for chilly lows in the lower to mid 40s.
Cold front has pushed through the area as well as the coastal waters. Frontal boundary is through South Texas but the arrival of the cooler air is lagging a little bit.
1030 PM EDT Sun Oct 15 2017 The windy and warm conditions will continue through the first part of the night tonight in advance of a slow moving cold front. Conditions quieting down as we head towards midnight as the widely advertised cold front is shifting into the St. High pressure builds in Monday night and colder and drier weather develop over the area. lows Monday night will be in the lower 20s to lower 30s.
/Issued 315 PM CDT Sun Oct 15 2017/ /Through Tonight/ It's a much quieter short term forecast this afternoon as the cold front that has brought a taste of Fall to the area continues to plow through South TX. Breezy north winds have ushered in cooler conditions with temperatures in the 60s and 70s. /Issued 315 PM CDT Sun Oct 15 2017/ /Monday through Sunday/ The upper level trough that helped push today's front through the region will be moving across the Northeastern CONUS on Monday, and weak upper level ridging from the west will replace our large scale weather pattern.
759 PM EDT Sun Oct 15 2017 Strong, fast moving cold front is a little more than half way through the forecast area. A broken line of showers well ahead of the approaching cold front is moving across the area. The shower chance will diminish quickly after the frontal passage and much cooler air will spread into the area. Initially there will be weak troughing in the east, and weak ridging over the southwest U. This will transition to a slightly wavy zonal flow, but by the end of the week as troughing develops in the west, upper ridging will build in the east.
Also stayed away from putting frost in the forecast because of the high cloud and warmer temperature potential in the valleys. Added fog to the northern coast and northern Umpqua valley because we felt that the high clouds would be concentrated more to the south. The thermal trough weakens late today into this evening.
1133 PM CDT Sun Oct 15 2017 Plenty of sunshine being noted as the cold front that brought last nights rain exits eastward and cold advection induced stratocumulus this in the mid afternoon sun.
Temperatures today were 4-8 degrees warmer than yesterday so think lows will be several degrees warmer. Upper level ridge over the region Monday with mostly sunny skies and warm temps.
1022 PM EDT Sun Oct 15 2017 A cold front is moving through the Mid Atlantic. High pressure will return Monday and hold through the end of the week.
High pressure settling into the Southern Plains tonight and Monday will result in VFR conditions all sites through the forecast period. /Issued 743 PM CDT Sun Oct 15 2017/ A progressive upper trough continues to slide east across the country this evening.
839 PM EDT Sun Oct 15 2017 A strong cold front will push through the region tonight.
1140 PM CDT Sun Oct 15 2017 An upper level ridge will remain over the western US through the next couple days. This will result in high pressure bringing dry and quiet weather across north central Nebraska. Clear skies overnight will allow temperatures for Sunday night to drop into the low 30s. The constants remain the warm dry ridge with Pacific air, that will dominate the northern and central plains through the week and the closed Gulf of Mexico through mid to late week. Upper ridge over the southern CONUS not as dominant as it had been in yesterdays runs of the extended and transitions from a northwest flow to a more zonal flow mid week.
1149 PM CDT Sun Oct 15 2017 Tonight-Early Mon Morning: It'll be a clear & chilly night as strong high pressure covers the southern half of the Great Plains. The onsetting southerly flow, albeit fairly light by our standards, will team with sunny skies to boost temperatures into the mid 70s in all areas with Southeast KS on the cooler end of the spectrum. Thu-Fri Night: Quiet weather continues for all areas as strong, broad upper ridge covers nearly all of the CONUS. upper-deck wave approaches & sends a cold front SE across KS.
/EC/ Tonight and Monday: Latest RAP and satellite imagery showed a strong upper trough moving through the mid section of the CONUS. This was dragging a cold front toward the region from the northwest. Readings across the region were in the lower to middle 80s. A more seasonably cool airmass will infiltrate the region with lows in the upper 40s north to the lower 60s southeast. For Monday, sunny skies and cool below normal readings will be the general rule with highs from the upper 60s to the lower 70s.
Frontal boundary is through South Texas but the arrival of the cooler air is lagging a little bit. Cold front continues to push south across the CWA as of writing and should be all the way through by late afternoon. Min temps tonight should be roughly 5 to 8 degrees cooler than this morning/s lows with wind speeds keeping temps somewhat elevated.
545 PM MDT Sun Oct 15 2017 Ridging will build over the intermountain west through Monday with the main northern stream jet shifting north into Canada.
924 PM EDT Sun Oct 15 2017 Widespread showers ahead of a cold front across the forecast area with a few embedded thunderstorms across SE TN and SW NC. Much drier and cooler air will move in behind the boundary with temperatures currently in West TN in the low to mid 50s with dewpoints in the upper 40s to low 50s. Noticeably cooler temperatures are forecast by daybreak with overnight lows in the upper 40s to low 50s. Chattanooga Airport, TN 52 68 44 69 / 80 10 0 0 Knoxville McGhee Tyson Airport, TN 49 65 41 68 / 80 10 0 0 Oak Ridge, TN 49 64 42 68 / 80 10 0 0 Tri Cities Airport, TN 50 61 38 66 / 80 10 0 0.
Have lowered the minimums a degree or so with the lows being met so soon. Temperatures were starting a few degrees warmer than anticipated and RH was also lower than expected. GAH PREVIOUS SHORT TERM DISCUSSION: Building high pressure over the desert SW and a strong NW flow aloft is bringing the expected warmer temperatures and drier conditions to the region.
For 00z Aviation discussion below A weak trough of low pressure is near the MN/ND border early this afternoon. As this trough approaches there will be an increase in mid level and high level cloudiness. After that it is mostly clear and dry with warmer temperatures to start off the work week.
For 06z Aviation discussion below A weak trough of low pressure is near the MN/ND border early this afternoon. As this trough approaches there will be an increase in mid level and high level cloudiness. After that it is mostly clear and dry with warmer temperatures to start off the work week.
1139 PM CDT Sun Oct 15 2017 High pressure building behind a cold front to maintain northeast winds around 5 to 10 knots overnight. /issued 904 PM CDT Sun Oct 15 2017/ Cold front just movg across extreme se portion of cwa.
756 PM EDT Sun Oct 15 2017 A strong cold front will move across the area later tonight.
1205 AM EDT Mon Oct 16 2017 After a cool start to the week, building high pressure will result in dry and gradually warming weather. A few showers are expected from PIT north with cool NW flow across the lakes, and an approaching upper trough. The upper trough and associated cold advection will maintain mostly cloudy conditions and northern zone shower chances for Monday. Broad high pressure will maintain dry conditions with gradual warming through the period. Building high pressure will diminish wind and return VFR as Monday aftn progresses. No widespread restrictions are expected under high pressure.
755 PM EDT Sun Oct 15 2017 A drier and cooler airmass will settle into the region through the first part of the week. The cold front is currently stretching from north central Ohio down into far southwest Ohio/northern Kentucky. In continued low level CAA behind the front, temperatures will fall into the low to mid 40s by late tonight. This will likely lead to some frost development, especially across southern portions of our area, closer to the ridge axis. Overall uneventful extended with GFS/ECMWF and GFSE in better than average agreement with a ridge building in from the southern plains and relaxing the gradient, allowing very light SW flow and sunny skies.
925 PM CDT Sun Oct 15 2017 Skies are clearing quickly this evening behind the departing cold front. Much cooler and drier conditions will continue to filter into the Mid-South during the overnight hours. A cold front has pushed out of the forecast area so temperatures have dropped some with current readings ranging from the upper 50s to upper 70s. As the cold front continues to push south into central Mississippi this evening rain will gradually move out of the forecast area tonight. With cooler and drier air moving into the region tonight, temperatures will be much lower than they have been the last few days with lows Monday morning in the 40s to around 50 degrees. High pressure will remain west of the region on Monday keeping things dry and cool.
1151 PM CDT Sun Oct 15 2017 Latest surface analysis shows 3hour pressure falls associated with a warm front maximized from southwestern Saskatchewan into eastern Montana and across far western ND. This warm front will continue to propagate east overnight, reaching the James River Valley by 12z Monday. On Monday the broad upper level ridge expands across central North America, and a surface warm front moves east across the Dakotas. Upper ridge over the western United States meanders towards the east bringing dry conditions and a warming trend this week with above average temperatures in the 60s and 70s.
Some of the colder valleys may have temperatures closer to this morning's lows while the mid slopes and ridges could be near or warmer than this morning. /Issued 207 PM PDT Sun Oct 15 2017/ A warming trend will start Monday as high pressure strengthens over the Sierra and western Nevada.
1156 PM CDT Sun Oct 15 2017 High pressure has built in quickly after the passing cold front last night ushering in cooler air, clear skies, and a brisk NW airflow. This colder airmass will keep most of the area from reaching 60F this afternoon and lead to very cool temperatures tonight with low temperatures ranging from the mid 30s in northern Missouri to the low 40s in southern Missouri. Upper level ridging will build into the area Monday and last through the end of the week keeping our area dry for the work week. The southerly flow will add some warm air advection to the area each day with temperatures gradually climbing into the lower to mid 70s by the end of the week.
A cold front is making its way across Middle Tennessee this afternoon, with an initial thin line of heavy showers occurring along the front, and a band of lighter showers several miles behind the front. After that, the next chance of rain won't be until at least next Sunday with the next cold front. In between, look for significantly cooler temperatures advecting into Middle Tennessee, with lows in the 40's areawide by tomorrow morning.
/issued 302 PM CDT Sun Oct 15 2017/ Fall has returned to West Texas behind last night's cold front. Breezy northerly winds this morning were now on the decline and will more fully diminish this evening as surface ridging settles squarely over the South Plains. It appears temperatures roughly north and west of Lubbock should dip into the middle 30s, with a few low spots, especially over sandy soil, perhaps briefly dropping to around the freezing mark.
Scattered showers and isolated storms continue this evening as a cold front moves through the region. /27/ Prior discussion below: Tonight and Monday: Latest RAP and satellite imagery showed a strong upper trough moving through the mid section of the CONUS. This was dragging a cold front toward the region from the northwest. Readings across the region were in the lower to middle 80s. A more seasonably cool airmass will infiltrate the region with lows in the upper 40s north to the lower 60s southeast. For Monday, sunny skies and cool below normal readings will be the general rule with highs from the upper 60s to the lower 70s.
755 PM EDT Sun Oct 15 2017 A cold front crosses through this evening.
/Issued 321 PM EDT Sun Oct 15 2017/ Strong cold front set to cross north and central Georgia tonight into early Monday. Much cooler and drier conditions will prevail heading into the work week, along with breezy conditions (Monday) as gusty northwest winds occur behind the cold front. Some gusts could approach 30-35 mph late tonight and throughout Monday, especially in the higher elevations of north Georgia.
High pressure will remain over the Bahamas tonight keeping the drier air in place over South Florida. This low will continue to move west and into the eastern gulf of Mexico by this evening. This low has allow for some showers and a few thunderstorms to develop over the Lake Okeechobee region early this afternoon. As the low moves west, scattered showers and isolated thunderstorms should continue to develop over the western areas of South Florida. The eastern areas of South Florida should only see isolated showers through the afternoon hours, due to drier air from the area from high pressure over the Bahamas.
1056 PM EDT Sun Oct 15 2017 Winds will remain gusty behind a cold front which has shifted east of the area this evening. This front will usher in much cooler temperatures overnight into Monday with a few lake effect rain showers.
Further to the north, just expect showers at KTYS and KTRI as the cold front quickly approaches in the near-term.
630 PM CDT Sun Oct 15 2017 A cold front has exited the state.
930 PM EDT Sun Oct 15 2017 High pressure will build into southern Ohio by Monday afternoon. The high will then persist through the remainder of the week. We will need to get a 5H trough east of the region to stop any of the lake effect showers that can develop across NE OH/NW PA late tonight into Monday morning. This trough looks like it will be east of the region by mid afternoon on Monday. High pressure will then increase its influence through Monday night. It will feel much cooler tonight into Monday.
This evening's surface analysis showed a cold front, the first of the season to make it so far south, from the eastern Great Lakes through the TX coast. Vapor imagery and upper air data showed a trough translating quickly to the east over the Ohio Valley, with weak Q-G forcing extending as far south as the Gulf Coast.
Cold front currently moving east of the mid-state. Cooler drier air settling into the area with temps now in the 50s. Cold front will continue to move east and that will likely bring an end to the precip. Eventually, diurnal mixing should result in ceiling erosion after 16/15Z with VFR/SKC conditions prevailing as ridging influences sfc/aloft become more entrenched across region.
953 PM EDT Sun Oct 15 2017 At the surface, a cold front stretches from New England to the western Gulf of Mexico with large-scale ridging behind it across the heart of the country. Dew points across the Florida Keys are in the low to mid 70s, and temperatures range from 78 to 83 degrees. Forecast remains on track with the lowest shower chances poised to be tonight, Monday, and Monday night.
/issued 912 PM CDT Sun Oct 15 2017/ As of 9 PM, the long anticipated cold front extends from near Krotz Springs southwest to near Grand Chenier. The cooler air is running between one and two hours behind the initial frontal boundary as noted by area observations but parts of central Louisiana have already fallen back into the upper 60s. The cold frontal boundary is just entering the lakes region of southeast Texas with a few light showers along and just ahead of the boundary. Look to see rains ending quickly this evening as high pressure moves down into the gulf coast. Drier air spilling in with overnight lows expected into the lower 60s down along the I-10 corridor and mid 50s across central La and into the lakes region.
603 PM CDT Sun Oct 15 2017 High pressure has built in quickly after the passing cold front last night ushering in cooler air, clear skies, and a brisk NW airflow. This colder airmass will keep most of the area from reaching 60F this afternoon and lead to very cool temperatures tonight with low temperatures ranging from the mid 30s in northern Missouri to the low 40s in southern Missouri. Upper level ridging will build into the area Monday and last through the end of the week keeping our area dry for the work week. The southerly flow will add some warm air advection to the area each day with temperatures gradually climbing into the lower to mid 70s by the end of the week.
Cold front continues exiting off to our east currently passing through the Ohio Valley, as low pressure deepens over Ontario. Some clearing though is beginning to make inroads into CWA from central IA ahead of high pressure. Overall, high pressure will be the dominant weather feature over the next 24 hrs providing diminishing winds along with drier and seasonably cool conditions. This cooler weather will be short-lived as the flow pattern aloft is shown to flatten allowing for a return to above normal temps as the week progresses. The next 24 hours will see more VFR weather with light west to southwest winds and clear skies as high pressure moves over the region.
835 PM EDT Sun Oct 15 2017 A cold front crosses through this evening.
/issued 925 PM CDT Sun Oct 15 2017/ Skies are clearing quickly this evening behind the departing cold front. Much cooler and drier conditions will continue to filter into the Mid-South during the overnight hours. A cold front has pushed out of the forecast area so temperatures have dropped some with current readings ranging from the upper 50s to upper 70s. As the cold front continues to push south into central Mississippi this evening rain will gradually move out of the forecast area tonight. With cooler and drier air moving into the region tonight, temperatures will be much lower than they have been the last few days with lows Monday morning in the 40s to around 50 degrees. High pressure will remain west of the region on Monday keeping things dry and cool.
1150 PM EDT Sun Oct 15 2017 The lower clouds have mainly cleared out of the terminals under a north-northwest low level flow, which typically holds lake clouds west and north of the terminals. Weather to quiet down quickly this evening as any remaining scattered light showers will end with the passage of secondary cold front during the late afternoon hours. Much cooler airmass in behind the cold front(s) will allow minimum temperatures to dip into the upper 30s to lower 40s as surface ridging builds into the area, but some degree of cloud cover within unsettled northwest cyclonic flow and wind speeds at 5 mph or more much of the night should keep frost at bay with perhaps a few patchy here and there.
1003 AM PST Fri Dec 15 2017 Snow will spread over much of the Inland Northwest today with freezing rain or sleet possible over the Moses Lake Area lower portions of the Upper Columbia Basin.
Upper level low currently over the Gulf of California will eject out and across Texas tonight and Saturday. Combine this with a coastal trough expected to develop and a steady stream of Pacific moisture flowing across the region and get high chances for rain and possibly a few thunderstorms over the next 36 hours. Proximity of upper level trough and positioning of upper jet (right rear quad) will maintain the potential for isolated thunder for the entire area. Upper low and surface features will move north of the area by Saturday night and should bring a rapid cutoff to rain chances. Highs tomorrow largely in the 5as, but depending on how that surface feature moves, could warm into the low to mid 60s along the immediate coast.
1120 AM CST Fri Dec 15 2017 Satellite imagery shows a decent sized trough swinging across the Great Plains resulting in a clipper system shifting across the Lower Missouri River Valley early this morning. But till then, the exiting of the clipper system will allow for the quick evolution of a split flow across the Desert Southwest into the Plains States allowing warmer temperatures to advect in across the region today and Saturday.
408 PM EST Fri Dec 15 2017 High pressure will move into the forecast area from the west tonight.
248 PM CST Fri Dec 15 2017 Trof axis extending from srn Baja up through the Great Lakes region continues to tap Pacific moisture, which covers much of the srn and sern CONUS. Nwd extent of the trof to continue ewd in progressive nrn jet, but low center over Baja will cut off overnight tonight. As we move into Saturday, another disturbance will shoot down the W Coast around the ern periphery of the upper ridge, kicking the Baja low and a slug of Pacific moisture newd.
Latest models support previous forecast of snow to occur with tonight's cold front. That is, 1-3 inches in mountain areas, 1-2 inches in Oregon valleys and the lower Treasure Valley in Idaho, about 1 inch in the Upper Treasure Valley, and less than 1 inch in the western Magic Valley and Camas Prairie.
A dry cold front is expected to move into northeast Colorado Saturday morning.
1035 AM MST Fri Dec 15 2017 Upper ridging continues across the far western CONUS into the eastern Pacific Ocean. Wouldn't be surprised if some locations east of the Black Hills pushed just into the low 60s.
252 PM CST Fri Dec 15 2017 Northern branch upper jet remains to the north of the central Plains, with southern branch from southern Texas into the southeast states with an upper low over southern Baja. As the upper wave to the northwest splits to the north and southwest Saturday afternoon, a weak front pushes southeast into the area during the day, but south to southwest winds ahead of it and continued clear skies should allow for a noticeably warmer day.
Latest water vapor imagery shows an mid-level trough moving onshore the Pacific Northwest and an ridge that's deamplifying extending from southern CA/Southwest US into the Northern Rockies. Of which a weak cold front will advance across the area late tonight-tomorrow morning. Meanwhile, the short wave trough will continue to move southeastward while undergoing amplification. The upper trough should be positoned across the Northern Rockies to Baja California Saturday. While cooler air will sink in the area aloft at low-levels, near to slightly above seasonable normal highs are expected â coolest in the northeast Panhandle and northwest NEB. Upper level trough will continue to dig southwest and eventually split over the Desert Southwest and into far northern portions of Mexico.
358 PM CST Fri Dec 15 2017 After the rather cool day across the Panhandles, Saturday will be rather pleasant with highs reaching into the lower to mid 60s. These warmer temperatures will be the result of south winds switching around out of a southwesterly direction.
223 PM EST Fri Dec 15 2017 A weak upper level trough will approach tonight and cross the area Saturday morning.