Aikyam-Lab/Synoptic-Bench huggingface dataset:
434 AM MST Tue Jan 7 2020 Northwest flow aloft sits over the area through this evening as a ridge moves into the central U. A trough makes landfall along the west coast this afternoon. The trough deamplifies as it crosses the Rockies Wednesday afternoon into Wednesday night. The trough axis moves across the Tri-State area Wednesday night. Leeside troughing has developed along the Front Range extending into the Four Corners region to our southwest. The low deepens over eastern Colorado this afternoon.
338 AM MST Tue Jan 7 2020 Northwest flow aloft sits over the area through this evening as a ridge moves into the central U. A trough makes landfall along the west coast this afternoon. The trough deamplifies as it crosses the Rockies Wednesday afternoon into Wednesday night. The trough axis moves across the Tri-State area Wednesday night. Leeside troughing has developed along the Front Range extending into the Four Corners region to our southwest. The low deepens over eastern Colorado this afternoon.
Initially gusty NE winds at CRP will taper this afternoon as high pressure draws closer. Cold front as of 330 AM continued to press south through the region with minimal fanfare. Otherwise, northerly gradient winds will slacken this afternoon as high pressure draws closer. Lows tonight should fare quite cool given dewpoints in the 20s northwest to near 40 along the Coastal Bend, but this dry air will already begin eroding on Wednesday within very breezy return flow behind the high.
Cold front as of 330 AM continued to press south through the region with minimal fanfare. Otherwise, northerly gradient winds will slacken this afternoon as high pressure draws closer. Lows tonight should fare quite cool given dewpoints in the 20s northwest to near 40 along the Coastal Bend, but this dry air will already begin eroding on Wednesday within very breezy return flow behind the high.
410 AM MST Tue Jan 7 2020 Extended the High Wind Warning currently in effect until 18z.
/issued 407 AM CST Tue Jan 7 2020/ Cold front currently advancing rapidly southeast across lower Acadiana. Looking for highs the next few days in the low to mid 60s, with tonights lows rather chilly in the mid 30s over central Louisiana into interior southeast Texas, the upper 30s to low 40s further south as core of 1030 hPa high migrates over the region. Low level return flow sets up for Wednesday night assuring significantly warmer overnight lows.
Water Vapor imagery showing an upstream ridge over the western states with a longwave trough approaching the TN/OH valleys. Surface feature include a cold front situated along the U. Meanwhile, a large area of high pressure was centered over southwest KS.
Short wave ridging will transition east across our area today, with surface winds increasing out of the south- southwest. Short wave troughing will set the stage for a sharp, deepening trough to our west for the end of the week.
503 AM CST Tue Jan 7 2020 A dry cold front will move through the region today before high pressure builds back into area for midweek.
With weak downslope flow today, highs today are expected to be in he 40s across south central Nebraska and into the low 50s in Kansas. Winds will become easterly tonight as the high pressure builds in to the east. By Wednesday weak upper level ridging will be moving overhead with lee troughing deepening to the west.
400 AM CST Tue Jan 7 2020 A dry cold front will move through the region today before high pressure builds back into area for midweek.
High pressure continues to elongate across Northern Florida, with slightly warmer temps today near normal for this time of year. Winds today will be backing to west-northwesterly ahead of a reinforcing cold front that will move down the peninsula and reach the region overnight before washing out over the straits. The front will be a dry one and is mainly a short-lived wind shift to bring a reinforcing shot of dry and cooler air down the peninsula. Wednesday, behind the front, a strong high pressure will begin to build over the southeast CONUS with winds veering to become northeast then easterly by Wednesday night. With global models showing this high pressure being fairly strong and locking in over the SE, the pressure gradient will begin to increase leading to breezy and gusty winds across South Florida beginning Wednesday night.
Warm nosing aloft is helping to prevent wintry weather and impacts, except light snow accumulations are possible toward sunrise especially in the higher elevations of 3KFT or more, probably with the second band closer to the vorticity center.
/EC/ Today through tonight: A weak cold front is moving through the ArkLaMiss region with low level cold advection expected to peak this morning. As the thermal trough shifts east and cold advection relaxes later today, sunny skies should help temperatures rise well into the 50s to around 60 over southern portions of the forecast area in the dry airmass. Lows are expected to fall to near or just below freezing tonight over most of the forecast area.
Secondary cold front is propagating through the region and anticipate continued cold air advection through the day.
445 AM EST Tue Jan 7 2020 A weak upper level system and cold front will move across the area this afternoon and early tonight.
However, today will be another mild day as light westerly flow this morning backs to the southwest this afternoon ahead of a weak cold front moving through the area this evening. Wednesday, weak mid level ridging will build into the region.
335 AM CST Tue Jan 7 2020 Tranquil weather will be the main story for the Mid-South for the next 48 hours as high pressure builds into the region. Highs today will be in the lower to mid 50s. Warmer temperatures are expected on Wednesday as winds turn around to south. Highs will range from the upper 50s to the lower 60s.
407 AM CST Tue Jan 7 2020 Cold front currently advancing rapidly southeast across lower Acadiana. Looking for highs the next few days in the low to mid 60s, with tonights lows rather chilly in the mid 30s over central Louisiana into interior southeast Texas, the upper 30s to low 40s further south as core of 1030 hPa high migrates over the region. Low level return flow sets up for Wednesday night assuring significantly warmer overnight lows.
Low level westerly flow and a dry airmass will make for a pleasant afternoon temperature- wise with highs into the lower 70s most areas to the mid 70s across Martin county.
523 AM EST Tue Jan 7 2020 Skies range from mostly clear in the Lower and Middle Keys to mostly cloudy elsewhere. A weak area of low pressure in the Tennessee valley early this morning will lift quickly northeastward, pulling an attendant trough through our entire region tonight. In wake of this subtle boundary, an extensive area of high pressure will strengthen and move swiftly into the Eastern United States late Wednesday and Wednesday night. This sprawling area of high pressure will intensify significantly as it moves into the western Atlantic Ocean for the balance of this week. The pressure difference between the aforementioned anticyclone and lower pressure over the archipelago of Cuba and the Northwest Caribbean Sea will result in deepening and strong east to southeast winds.
After subfreezing early morning lows, temperatures will make a strong recovery into the lower to mid 60s for highs this afternoon. These highs will be a little cooler than yesterday across our central and southern counties, but still above normal for early January.
Upper level ridge axis slides overhead for Wednesday along with increasing mid level warm advection.
For Wednesday, a large amplified UL trof will begin to carve out across the Pacific Northwest. This should boost highs Wednesday into the lower to mid 60s across far SW Kansas to mid to upper 50s elsewhere.
Dry conditions and above normal daytime temperatures will give way to cooler temperatures after Wednesday.
Expect fair and warmer weather today across northern Arizona.
Subtropical moisture continues to stream into the Northern Rockies causing fairly hefty snow in the higher terrain. The break in precipitation for most of the Northern Rockies will be momentary as a weak cold front is anticipated to impact the region late tonight into Wednesday.
/issued 335 AM CST Tue Jan 7 2020/ Tranquil weather will be the main story for the Mid-South for the next 48 hours as high pressure builds into the region. Highs today will be in the lower to mid 50s. Warmer temperatures are expected on Wednesday as winds turn around to south. Highs will range from the upper 50s to the lower 60s.
329 AM CST Tue Jan 7 2020 Water Vapor imagery showing an upstream ridge over the western states with a longwave trough approaching the TN/OH valleys. Surface feature include a cold front situated along the U. Meanwhile, a large area of high pressure was centered over southwest KS.
720 AM EST Tue Jan 7 2020 High pressure across FL departs east today as high pressure on the western Gulf coast builds toward the state today. bridging a dry cold front currently in the central Gulf of Mexico. The highs this afternoon will warm slightly compared to yesterday but stay just below normal. The dry front slides over the area tonight with some reinforcing cooler air. Dry cold front traverses the waters tonight with winds becoming north in the 15 knot to 20 knot range.
An upper trough is expected to move through the Tri- State area this afternoon with flow becoming northwesterly.
614 AM CST Tue Jan 7 2020 Early morning surface analysis shows a weak area of low pressure straddling the border of North and South Dakota. As this trough slides south and east to reach northwest Iowa by mid-day, a narrow band of faint frontogenetic forcing is progged to move from west central to south central Minnesota this morning.
242 PM EST Tue Jan 7 2020 Low pressure will move farther northeast of the forecast area this evening and winds will diminish.
Windy and warmer, with increasing high cirrus clouds.
Normal temperatures are in the low 40s for highs and the mid teens for lows. An upper ridge currently over the Western U. Through the day, a lee cyclone will develop over Eastern Colorado. The low with a trailing cold front will move through the region overnight with winds shifting to the northwest behind the front.
A dry cold front currently across our western zones will continue to push through the local region.
High pressure will remain across the Great Basin today. Upper level ridging remains in place across the region this morning. An upper level trough is currently approaching the West Coast with a large cloud shield evident on morning satellite imagery.
Forecast models continue to point to a series of troughs moving across the area beginning late tonight, with precipitation spreading across the forecast area by Wednesday morning.
Clouds should clear completely across Central Alabama by midday as northwest winds usher in a cooler and drier airmass into Central Alabama behind the front. After a chilly start in the low/mid 30s, temperatures will warm nicely into the upper 50s/low 60s thanks to ample sunshine and a milder flow commencing around the backside of a quickly eastward progressing ridge Wednesday afternoon.
1035 AM CST Tue Jan 7 2020 With this morning's cold front now departed the area and the shower activity (what little there was) done as drier air on high pressure builds in, all looks good with the inherited grids/zones. /issued 407 AM CST Tue Jan 7 2020/ Cold front currently advancing rapidly southeast across lower Acadiana. Looking for highs the next few days in the low to mid 60s, with tonights lows rather chilly in the mid 30s over central Louisiana into interior southeast Texas, the upper 30s to low 40s further south as core of 1030 hPa high migrates over the region. Low level return flow sets up for Wednesday night assuring significantly warmer overnight lows.
A dry cold front will shift winds to the WNW at TAF sites between 21z-00z with winds speeds decreasing to less than 10 knots shortly after 00z.
Expect fair and warmer weather today across most of northern Arizona though low overcast will persist around Page.
/issued 1035 AM CST Tue Jan 7 2020/ With this morning's cold front now departed the area and the shower activity (what little there was) done as drier air on high pressure builds in, all looks good with the inherited grids/zones. /issued 407 AM CST Tue Jan 7 2020/ Cold front currently advancing rapidly southeast across lower Acadiana. Looking for highs the next few days in the low to mid 60s, with tonights lows rather chilly in the mid 30s over central Louisiana into interior southeast Texas, the upper 30s to low 40s further south as core of 1030 hPa high migrates over the region. Low level return flow sets up for Wednesday night assuring significantly warmer overnight lows.
With sfc ridging building into the region late this afternoon/early evening, WNW winds 7kts or less will become Lt/Vrb or calm by 00Z.
VFR will continue through the next 24 hours under high pressure.
130 PM EST Tue Jan 7 2020 A mostly rain-free cold front will push through today with high pressure returning through the middle of the week. A mostly dry cold front will sweep through this afternoon. Temps are already in the low 60s in many areas. Tonight: In the wake of the cold front, high pressure centered over the Deep South will slowly increase across the CWA.
Lows will range from the lower 40s across interior Volusia and portions of Lake county to mid to upper 40s for the remainder of east central FL, but warmer in the lower 50s along the Martin county coast.
Chattanooga Airport, TN 53 33 56 35 / 10 0 0 0 Knoxville McGhee Tyson Airport, TN 50 32 52 32 / 50 0 0 0 Oak Ridge, TN 51 32 52 31 / 40 0 0 0 Tri Cities Airport, TN 45 28 47 29 / 90 0 0 0.
1057 AM CST Tue Jan 7 2020 Early morning surface analysis shows a weak area of low pressure straddling the border of North and South Dakota. As this trough slides south and east to reach northwest Iowa by mid-day, a narrow band of faint frontogenetic forcing is progged to move from west central to south central Minnesota this morning.
1239 PM EST Tue Jan 7 2020 [Through 18Z Wednesday] A brief period of gusty winds from the west to northwest can be expected as a dry cold front pushes through the region early to mid mid afternoon. A dry cold front currently across our western zones will continue to push through the local region.
Much warmer weather and wet weather will return for the end of the week.
1250 PM EST Tue Jan 7 2020 A weak low moving east from the Lower Ohio Valley to the Delmarva Coast this evening will bring brief heavy snow bands to central and south central Pennsylvania this afternoon and early evening.
1107 AM MST Tue Jan 7 2020 Extended the High Wind Warning currently in effect until 18z.
/issued 720 AM EST Tue Jan 7 2020/ High pressure across FL departs east today as high pressure on the western Gulf coast builds toward the state today. bridging a dry cold front currently in the central Gulf of Mexico. The highs this afternoon will warm slightly compared to yesterday but stay just below normal. The dry front slides over the area tonight with some reinforcing cooler air. Dry cold front traverses the waters tonight with winds becoming north in the 15 knot to 20 knot range.
Weak cold front will move southeast of the region this evening. High pressure will build from the west Tonight, yielding mainly clear skies and temperatures falling into the 30s away from the coast.
244 PM CST Tue Jan 7 2020 A 1032 mb high pressure center will cross North Dakota this evening and be centered across central Minnesota by Wednesday morning. This will drive a cold front southward into the area tonight. The front will attempt to lift northward as a warm front Wednesday.
1110 AM MST Tue Jan 7 2020 Quick forecast update for this morning: extended the High Wind Warning for the wind prone areas of Bordeaux and Arlington until 5 PM MST this afternoon. Extended the High Wind Warning currently in effect until 18z.
Normal temperatures are in the low 40s for highs and the mid teens for lows. An upper ridge currently over the Western U. The ridge will cross the Tri-State area through the day Wednesday with zonal flow aloft for much of the day. Through the day, a lee cyclone will develop over Eastern Colorado. The low with a trailing cold front will move through the region overnight with winds shifting to the northwest behind the front.
1100 AM MST Tue Jan 7 2020 Extended the High Wind Warning currently in effect until 18z.
1029 AM MST Tue Jan 7 2020 Northwest flow aloft sits over the area through this evening as a ridge moves into the central U. A trough makes landfall along the west coast this afternoon. The trough deamplifies as it crosses the Rockies Wednesday afternoon into Wednesday night. The trough axis moves across the Tri-State area Wednesday night. Leeside troughing has developed along the Front Range extending into the Four Corners region to our southwest. The low deepens over eastern Colorado this afternoon.
328 PM EST Tue Jan 7 2020 A cold front will move offshore tonight followed by high pressure during the middle of the week. Cool and dry high pressure will settle over the region tonight.
130 PM CST Tue Jan 7 2020 High pressure centered to our southwest is quickly asserting itself following last night's fast-moving low pressure center.
Pressure gradient increases in response to large scale height falls and lee trough in the Plains.
Current satellite reveals two areas of longwave troughing - one over the Ohio Valley and upstream off the Pacific Northwest coast. With upper ridging over the intermountain west, northwesterly flow aloft is in place over the Panhandles. At the surface, high pressure is in place across TX in the wake of the Ohio Valley trough. Expect this flow pattern, including the trough off the Pacific coast, to translate eastward through the short term periods. While cirrus arriving in the afternoon will likely limit top end warming potential, these downsloping winds should result in a warm and dry day across the forecast area, with highs in the lower 60s and RH values dropping to around or below 20 percent. Otherwise, with very little moisture to work with and weak forcing for ascent as the trough approaches late Wednesday afternoon, no precipitation is expected.
Wednesday will look similar to today with an increase in SSW winds late morning as lee trough remains in place.
Will keep the High Wind Warning going for the Bordeaux area (along I-25) and the Arlington/Elk Mountain area (along I-80) until 500 PM. However, this lull may be pretty short-lived as another upper level trough will rapidly move into the area.
In fact a cold front was just passing through Interstate 90 between 19z and 20z. This high pressure will shift east on Wednesday and set up a fairly strong east and southeast flow. Lowered highs a touch east of Interstate 29 as low level flow remains oriented from the east, out of the cold exiting high pressure.
The combination of light winds and clear skies will aid in the radiational cooling effect, allowing temperatures to fall into the lower 30s by early Wednesday morning. A few locations around the region will spend an hour or 2 at or slightly below the freezing mark. Highs tomorrow will be in the low 60s with skies remaining mostly clear until a few clouds arrive in the afternoon.
Behind this wave, very dry and cooler air will filter across the region overnight.
738 PM EST Tue Jan 7 2020 A dry cold front will move through the region tonight with high pressure quickly building over the southeast for Wednesday. Low temperatures in the morning will be a few degrees warmer than those from today, but then a cooler afternoon is expected. A dry cold front will move through the region tonight, with north winds tonight becoming northeasterly starting Wednesday and then east to southeast through the rest of the week and into the weekend.
Surface observations show valley temperatures in the fifties and low sixties this afternoon, with cooler temperatures in the higher elevations and mountains. Overnight temperatures will be a bit warmer tonight compared to last night. A dry cold front and trough will cross over the southern Great Basin region beginning Wednesday morning and through the evening. These cooler temperatures will persist at least through the weekend.
330 PM CST Tue Jan 7 2020 Mid-afternoon sfc analysis shows high pressure centered over far wrn TX ridging ewd over the forecast area. Water vapor imagery shows weak troffing over the ern CONUS and weak ridging over the wrn CONUS with a dry nwrly flow in place overhead the forecast area between these features. yielding lows in the lower/mid 30s nrn 1/2 and mid/upper 30s srn zones. Tomorrow appears to be a similar day temperature-wise to today as srly return flow isn't expected to really get going until sometime in the afternoon, plus the cooler than normal start to the day.
High pressure centered to our southwest is quickly asserting itself following last night's fast-moving low pressure center.
Snow levels will drop down to valley floors Wednesday as a Canadian cold front sweeps across the Northern Rockies.
These waa clouds should move east on Wednesday while more mid and high level cloud cover from a short wave trough moves in from the west. The period begins with an area of low pressure east of the region with northwesterly winds over the CWA.
Temperatures are generally in the low to mid 50s with a moderate northwest wind.
Cirrus would also help to keep temperatures a bit cooler and therefore RH values a bit higher.
930 PM EST Tue Jan 7 2020 A dry cold front will move across central Florida from late this evening through the overnight hours. Lows will range from the lower 40s across interior Volusia and portions of Lake county to mid to upper 40s for the remainder of east central FL, but warmer in the lower 50s along the Martin county coast. A weak cold front moving across the waters late this evening and overnight will produce a brief increase in NW/N winds, up to 15-20 knots tonight.
902 PM EST Tue Jan 7 2020 A cold front will result in scattered to numerous snow showers this morning along with a brief shot of wintry temperatures.
The lower Arkansas River Valley will be cooler than the rest of the plains and a strong inversion forms over the lowest elevations. Expect low temps in the teens over the lower Arkansas River Valley. The higher elevations over the plains will be in the mid 20s. The northern SLV will remain below freezing, but the southern SLV should have a few hours above freezing.
440 PM MST Tue Jan 7 2020 Current surface map shows 1030mb high building into the eastern Dakotas, with cold front backing into western South Dakota. A few light snow showers/flurries continue along the low level baroclinic zone over western South Dakota. Upper level ridge builds across the Northern Plains tonight/early Wednesday.
A short wave ridge will race across Colorado tonight and be east of the state by 18Z Wednesday. On the heals of this ridge, a fast moving trough will move into western Colorado late Wednesday afternoon. For tonight, it will quiet and mild under the ridge. Snow showers will move into the north central mountains mid to late afternoon with the lift ahead of the trough. A weakening upper trough will move eastward across the CWA Wednesday evening.
636 PM CST Tue Jan 7 2020 A 1032 mb high pressure center will cross North Dakota this evening and be centered across central Minnesota by Wednesday morning. This will drive a cold front southward into the area tonight. The front will attempt to lift northward as a warm front Wednesday.
Clear skies and relatively light winds should allow temperatures to fall into the low 30s across the area by sunrise. Temperatures are generally in the low to mid 50s with a moderate northwest wind.
848 PM EST Tue Jan 7 2020 Low pressure will move out into the Atlantic tonight. A cold front approaching from the Great Lakes will move southeastward across the Mid-Atlantic on Wednesday.