Aikyam-Lab/Synoptic-Bench huggingface dataset:
1043 PM EDT Fri Jul 2 2021 With the cold front bisecting north Georgia, drier air is beginning to filter southward. /Issued 312 PM EDT Fri Jul 2 2021/ Cold front currently pushing across the CWA looks to be just arriving in the metro and helping kick up just a little bit of convection. Lows tonight and tomorrow will be in the lower to mid 60s with even some 50s likely noted in the mountains.
High pressure arriving will provide us with a fantastic summer wknd for the 4th of July holiday. High pressure along with drier and slightly cooler air will move into the area on Saturday in wake of the front as it will likely stall just south of the region. The slightly cooler conditions will continue into Saturday night, with overnight lows in the mid to upper 60s.
Current surface analysis reveals a broad, expansive area of high pressure with Canadian origins centered over northern Wisconsin this afternoon. Much of the Ohio and upper Tennessee Valleys have been under the influence of this high pressure, as surface obs reveal northerly winds with comfortable T/Td spreads. Should be a very pleasant day by early July standards as high temperatures top out in the low 80s and dewpoints generally stay in the 50s. Upper trough will be over the northeast U.
Deep upper ridge sets up over the midwest today through tomorrow and the beautiful day continues throughout the much of the area, with a few low and high clouds lingering around and temperatures in the low 80s. High pressure moves into the area this evening, leaving us with light easterly winds and cool temperatures over night. Few clouds will be around tonight, allowing for temperatures to cool off quite a bit and into the low 60s to upper 50s. Tomorrow, we will still be dominated by high pressure as the upper ridge sits on top of us.
High pressure is in control of our weather this afternoon, providing us with a typical summer day. Surface winds will become predominately southward tomorrow afternoon, and temperatures could be a touch warmer than today.
917 PM EDT Fri Jul 2 2021 High pressure will extend across the Ohio Valley tonight into Saturday.
A cold front moved through the forecast area this afternoon and dropped the humidity down to comfortable levels. Current temperatures range from the low to mid 70s and dewpoints are in the low to mid 50s across the majority of the area. A moderate north wind is making it feel even cooler, which is much welcomed. The latest surface analysis places the cold front from Norfolk, Virginia southeast back through Atlanta, Georgia through Jackson, Mississippi and into central Texas. Dry and cool air continues to funnel down across the Lower Mississippi Valley. Low humidity and cooler than normal temperatures will persist through the entire Holiday Weekend. A beautiful Independence Day weekend is expected across the Mid-South thanks to the high pressure.
738 PM EDT Fri Jul 2 2021 A well-defined upper low now over north central PA will slide slowly east tonight and hang up over eastern PA on Saturday.
723 PM EDT Fri Jul 2 2021 A cold front will cross the area overnight. High pressure will build in for the weekend bring dry weather and slightly below normal temperatures. An upper level trough was over the region this evening with a surface cold front slowly crossing the area. Winds weaken by Saturday night with better radiational cooling conditions leading to lows in the low to mid 60s.
614 PM CDT Fri Jul 2 2021 Latest water vapor satellite imagery indicates upper level ridge over the Northern Plains and southern Canada. Subsidence underneath the ridge has allowed for mostly sunny skies with some diurnal cumulus developed across the region per the latest visible satellite imagery. With ridge aloft and at the surface.
High pressure will continue to build over the area through the night, and a northerly low level flow will provide comfortable temperatures and dewpoints in the 50s. Upper trough axis shifts eastward on Saturday with ridging beginning to slowly build in from the west.
/Issued 312 PM EDT Fri Jul 2 2021/ Cold front currently pushing across the CWA looks to be just arriving in the metro and helping kick up just a little bit of convection. Lows tonight and tomorrow will be in the lower to mid 60s with even some 50s likely noted in the mountains.
1023 PM EDT Fri Jul 2 2021 A cold front will cross the area overnight. High pressure will build in for the weekend bringing dry weather and slightly below normal temperatures. An upper level trough was over the region. The actual cold front extended from central NC into the Upstate of SC at 10 pm. Winds weaken by Saturday night with better radiational cooling conditions leading to lows in the low to mid 60s.
1059 PM EDT Fri Jul 2 2021 A well-defined upper low now over north central PA will slide slowly east tonight and hang up over eastern PA on Saturday.
855 PM EDT Fri Jul 2 2021 An upper level trough was digging southeastward across southeast Georgia and the trough will slide into northeast Florida overnight. Showers and embedded storms were ongoing from I-10 northward across southeast Georgia, and showers were increasing in coverage across northeast Florida ahead of the trough. Showers and embedded storms will only slowly wind down from north to south overnight as the trough shifts southward. Overnight lows will be in the low to mid 70s. The high will move further to the southeast Saturday, allowing the cold front to settle across the area and stall.
The recent rains continue to add to the high surface moisture content. Saturday as the ridge shifts over to the Panhandles.
Isolated showers or thunderstorms will be possible over the high sierra each afternoon through the weekend. Some cumulus clouds developing over the higher terrain of the sierra.
612 PM EDT Fri Jul 2 2021 The Florida Keys remains under the influence of a fractured, but building upper level ridge. Meanwhile, in the lower and mid levels ridging remains firmly in place. This has lead to mostly sunny skies and brief spotty showers across the Lower Keys earlier today. Due to the deep layer ridge, have kept PoPs slightly below our climatological normal, with 20 percent chances tonight. Ridging will hold fast for the holiday weekend.
749 PM EDT Fri Jul 2 2021 A cold front will cross the area overnight. High pressure will build in for the weekend bring dry weather and slightly below normal temperatures. An upper level trough was over the region this evening with a surface cold front slowly crossing the area. Winds weaken by Saturday night with better radiational cooling conditions leading to lows in the low to mid 60s.
950 PM CDT Fri Jul 2 2021 A very nice night ahead as current IR satellite depicts the clearing effect of the upper level trough centered over southern AL. Northerly flow has filtered in behind a sfc cold front, and has resulted in temperatures well below normal for early July. All in all, could not ask for a better start to the holiday weekend, as clear skies will persist overnight, and lows will bottom out in the lower 60s/upper 50s. Enjoy this cooler air while it lasts! For the first time in recent memory, there won't be any convection around for the 4th of July weekend.
728 PM EDT Fri Jul 2 2021 A cold front will cross the area overnight. High pressure will build in for the weekend bringing dry weather and slightly below normal temperatures. An upper level trough was over the region this evening with a surface cold front slowly crossing the area. The cold front will move to the south of the forecast area after midnight along with any remaining showers and thunderstorms. Winds weaken by Saturday night with better radiational cooling conditions leading to lows in the low to mid 60s.
817 PM EDT Fri Jul 2 2021 A well-defined upper low now over north central PA will slide slowly east tonight and hang up over eastern PA on Saturday.
Deep layer ridging remains steadfast across the region, therefore rain chances continue to be suppressed across the region. This in combination with the aforementioned ridging, has led to a downward trend in PoPs for the overnight. Near the surface we remain in close proximity to the ridge axis, which has led to light and variable winds at times.
The sunshine and a weak ridge across the area will allow temperatures to warm to around 90 this afternoon.
337 AM EDT Sat Jul 3 2021 Skies clearing from north to south as cold front sweeps south through the state this morning. The southward progression of the cold front has slowed down a bit which will allow for some potential showers to develop this afternoon south of a Columbus to Dublin line.
311 AM EDT Sat Jul 3 2021 High pressure will build across the area with slightly cooler air working in the next couple days. Sea-bound cold front to take convection offshore by daybreak, crossing the Gulf Stream today. The mid level pattern will be transitioning from troughing to more of a westerly flow and eventual ridging from the southeast through the period. The surface features will include the Bermuda Azores High and the inland Piedmont Trough.
309 AM CDT Sat Jul 3 2021 146 AM CDT Quiet conditions will continue this holiday weekend as upper ridging becomes entrenched across the western Great Lakes. With an atypical orientation of the mid-level ridge extending NE into Ontario, WAA and moisture transport will occur on these NW winds. Temps will range from the low 80s south to near 90 along the WI state line. These temps may be slightly suppressed by smoke (well aloft) filtering around the ridge from western Ontario. With max temps reaching the low 90s area-wide, heat index values in the mid 90s are likely through the afternoon hours.
Water vapor imagery this evening showed an inverted trof over central Chihuahua MX moving west.
239 AM MDT Sat Jul 3 2021 The main storm track remains well to the north along the US/Canada border during the next 36 hours, while the H5 ridge begins to rebuild over the Four Corners region. The ridge is not particularly strong, so convection is still in the offing, starting on higher elevations and drifting east during the afternoon and evening.
1037 PM CDT Fri Jul 2 2021 Latest water vapor satellite imagery indicates upper level ridge over the Northern Plains and southern Canada. Subsidence underneath the ridge has allowed for mostly sunny skies with some diurnal cumulus developed across the region per the latest visible satellite imagery. With ridge aloft and at the surface.
Heading into the afternoon, a bit of a southerly breeze will develop as the high moves off to the east and weak lee troughing develops to the west. Southerly winds increase to around 10 to 15 mph as the lee trough moves a bit eastward.
1219 AM CDT Sat Jul 3 2021 (This evening through Saturday) A weak cold front.
423 AM EDT Sat Jul 3 2021 A well-defined upper low now over north central PA will slide slowly east tonight and hang up over eastern PA on Saturday.
1150 PM MDT Fri Jul 2 2021 06Z TAF CYCLE Upper high center continues to drift nwwd to the Four Corners area and Great Basin during the next 24 hrs. As the high gradually builds near the Four Corners, storms may have slightly less coverage Saturday and Saturday night, but most areas will see some rain aside from the far northwest.
Today Currently, a closed low is located over the northeastern U. with the mid/upper trough centered just west of the Atlantic Coast. At the surface, ~1,015mb high pressure is centered over the Central Plains with the previous frontal boundary to our south.
150 AM EDT Sat Jul 3 2021 Warmer and generally dry weather is expected for the holiday weekend. The cold-bearing upper low will continue to dig eastward today with effects lingering over the ern counties in the form of isolated showers and cooler temperature. Veered sfc wind and a slightly warmer airmass wl support temperature just a few degrees under the averages. An approaching longwave trough/cold front will moderate temperature back toward the averages and make rain likely again by midweek. MVFR stratus is likely for ports north and east of PIT this morning as cold upper low pres conts to dig eastward. Restrictions and rain wl become likely again with a mid week cold front.
130 AM EDT Sat Jul 3 2021 A well-defined upper low now over north central PA will slide slowly east tonight and hang up over eastern PA on Saturday.
1257 AM CDT Sat Jul 3 2021 At 05Z, high pressure was centered over central IL. The cold front that passed through our area early today is now over central GA, AL and MS. For today, the high will shift south into southern IL, with dry northeast flow continuing today. High temperatures will reach 80-85 in valley areas, but be held in the upper 70s atop the higher plateau elevations.
At 3 AM, upper level ridging remained in firm control over our region, with a 500 mb ridge axis stretching from western Kansas to Minnesota. Skies were a mix of high (remnant cirrus from yesterday evenings convection in the High Plains) and mid level clouds cover. Tonight: Storms that develop over the higher terrain of Wyoming and the Black Hills this afternoon should drift east into central Nebraska/South Dakota this evening. There they should encounter a more hostile environment for convection (subsidence associated with the ridge and less available instability).
High pressure centered over the Midwest will continue to move south into MO. Will see a slight warming trend as a weakening upper ridge over the northern Plains shifts southeast through the area, but for this time of year the humidity will be fairly comfortable, especially over our eastern counties.
The cold front is making good progress with low to mid 60s dew points into S AR with NE winds.
The cold front is making good progress with low to mid 60s dew points into S AR with NE winds. High pressure arriving will provide us with a fantastic summer wknd for the 4th of July holiday. High pressure along with drier and slightly cooler air will move into the area on Saturday in wake of the front as it will likely stall just south of the region. The slightly cooler conditions will continue into Saturday night, with overnight lows in the mid to upper 60s.
have gone slightly warmer with highs today compared to national blend of models as the July sun should help to warm the CWA into the mid 80s to near 90 deg.
221 AM CDT Sat Jul 3 2021 High pressure will continue to develop over the area the next few days with nothing but fantastic weather expected.
139 AM EDT Sat Jul 3 2021 High pressure will extend across the Ohio Valley tonight into Saturday.
The prime time for storm development will be during the heat of the day; however, weak large scale lift on the eastern periphery of high pressure centered near the Four Corners region will be enough to warrant some low PoPs overnight and Saturday night.
307 AM EDT Sat Jul 3 2021 For the weekend we will have a stalled front just north of the Nature coast and high pressure to the south. The front to our north means the higher shower chances and rainfall totals will be along the Nature Coast. The interaction between the front and high pressure is bringing us west to southwesterly flow.
157 AM EDT Sat Jul 3 2021 A cold front will cross the area overnight. High pressure will build in for the weekend bringing dry weather and slightly below normal temperatures. A cold front is currently entering the northern FA as of 2 am. Winds weaken by Saturday night with better radiational cooling conditions leading to lows in the low to mid 60s.
High temperatures today have the potential to reach the upper 90s, with the highest temperatures being dependent upon mid to upper level clouds that will traverse the area this afternoon and evening. Dew points will be in the lower 60s, possibly approaching the mid-60s. The highest probability for severe thunderstorms today looks to remain mainly in our eastern North Dakota counties along and west of the Red River; however, strong storms could persist briefly to the east of this area with general thunderstorms continuing into the overnight hours in west-central and northwest Minnesota.
149 AM EDT Sat Jul 3 2021 Cool tonight followed by a warmer afternoon Saturday.
Broad surface ridging has settled across the region, centered on the lower Missouri Valley.
427 AM EDT Sat Jul 3 2021 Warmer and generally dry weather is expected for the holiday weekend. The cold-bearing upper low will continue to dig eastward today with effects lingering over the ern counties in the form of isolated showers and cooler temperature. Veered sfc wind and a slightly warmer airmass wl support temperature just a few degrees under the averages. Expect another round of 90 F temperature in advance of a mid week cold front. An approaching longwave trough/cold front will moderate temperature back toward the averages and make rain likely again by midweek. IFR and MVFR stratus is likely for ports north and east of PIT early this morning as cold upper low pres conts to dig eastward with nly flow off the Lakes. Restrictions and rain wl become likely again with a mid week cold front.
A fantastic holiday weekend is in store, as Canadian high pressure builds over the region. On Saturday, H5 thickness rise a few decameters, so high temperatures will climb a few degrees higher than today's values, into the lower to middle 80s, with humidity levels still in the comfortable range.
After this weekend, the ridge begins to shift to a less favorable position and we will partially transition to another heat wave, with diminished shower and thunderstorm activity.
A very nice night ahead as current IR satellite depicts the clearing effect of the upper level trough centered over southern AL. Northerly flow has filtered in behind a sfc cold front, and has resulted in temperatures well below normal for early July. All in all, could not ask for a better start to the holiday weekend, as clear skies will persist overnight, and lows will bottom out in the lower 60s/upper 50s. Enjoy this cooler air while it lasts! For the first time in recent memory, there won't be any convection around for the 4th of July weekend.
High pressure will continue to build over the area through the night, and a northerly low level flow will provide comfortable temperatures and dewpoints in the 50s. BW Chattanooga Airport, TN 85 63 90 67 93 / 0 0 0 0 10 Knoxville McGhee Tyson Airport, TN 82 60 88 65 92 / 0 0 0 0 10 Oak Ridge, TN 83 59 88 66 92 / 0 0 0 0 10 Tri Cities Airport, TN 79 55 85 63 90 / 0 0 0 0 10.
708 AM EDT Sat Jul 3 2021 A steady increase in mid level moisture in advance of an inbound warm front affords a higher coverage of cloud cover featuring bases above 5000 ft today. A gradually destabilizing environment may support an isolated shower or thunderstorm late afternoon and early evening, focused in the vicinity of the warm frontal passage.
503 AM EDT Sat Jul 3 2021 Upper level low pressure spinning over eastern PA will drift to the Southern New England Coast by this evening. Following the departure of this upper level feature, the 4th of July will be several degrees warmer with near normal temperatures and a slight increase in, but still comfortable humidity. An upper level disturbance riding southeast above a warm front approaching from the Ohio Valley will bring and increase in clouds for Sunday afternoon and evening, and perhaps some showers and isolated thunderstorms moving into the western half of the state Sunday evening.
/Issued 337 AM EDT Sat Jul 3 2021/ Skies clearing from north to south as cold front sweeps south through the state this morning. The southward progression of the cold front has slowed down a bit which will allow for some potential showers to develop this afternoon south of a Columbus to Dublin line. With the cold front moving through today, low temps tonight will drop into the 60s with some mid to upper 50s across the NE GA mountains.
High pressure will continue to develop over the area the next few days with nothing but fantastic weather expected.
This is not so much as an influx of drier air but rather weak subsidence aloft with high pressure settling over the Intermountain West. We will still have the threat of moderate to heavy rainfall rates in the strongest storms but outflow winds are becoming more of a threat as the lower part of the atmosphere will be mixing out better in the hotter temperatures. above normal temperatures are here to stay and the lower desert valleys will be hitting the upper 90s to triple digits the next few afternoons. Attention then turns to a last chance for dynamically driven precipitation before the upper level ridge anchors and strengthens over the Four Corners.
This matches with HREF initialization and forecast data for today showing an unseasonably dry airmass across the region with surface ridging and deep northerly flow along the western edge of the longwave trough across the Northeast and Mid-Atlantic. Today Currently, a closed low is located over the northeastern U. with the mid/upper trough centered just west of the Atlantic Coast. At the surface, ~1,015mb high pressure is centered over the Central Plains with the previous frontal boundary to our south.
Off the bat, the first question is how far southward the cold front from Sunday night sags. For temps, the warm weekend will spread into the start of the new work week, with cooler air moving in Tue/Wed. VFR conditions will continue through this TAF period with light winds and mostly clear skies under high pressure. Winds will increase out of the S/SW on Sunday ahead of a cold front but any SHRA/TSRA potential will likely hold off until Sunday eve/night.
A cold front currently sits near the I-20 corridor this morning, with cooler and drier air to the north and low clouds to the south where low level moisture remains elevated.
Today Through Sunday Night Quiet weather conditions plus cooler/drier air will dominate through the short term forecast period. The H500 pattern will feature a deep trough over the New England region with an amplifying ridge over the Desert SW. Near the surface, high pressure remains situated just to the N of AR providing N/NE winds to usher drier and cooler air into the region. Today, highs are expected to reach the lower/mid 80s over Cntrl/Nrn areas with highs climbing into the upper 80s over the S. Enjoy the drier and cooler weather, because this beautiful weather pattern will not stay long.
Today through Sunday night: The Inland NW will remain in a dry pattern this weekend as a wedge of dry air at the base of an upper trough over British Columbia remains over Washington, northern Oregon and Idaho. Temperatures will remain very warm with highs mainly in the 90s, with today the warmest of the two weekend days where a Heat Advisory remains in place for many of the lower elevations through 7 PM this evening.
This pattern is expected to continue through tomorrow with the high pressure axis to the south.
have gone slightly warmer with highs today compared to national blend of models as the July sun should help to warm the CWA into the mid 80s to near 90 deg. a ridge of high pressure is forecast to become more amplified over the Western CONUS which will allow for more northerly upper level flow to set up over the Plains by mid week.
751 AM EDT Sat Jul 3 2021 Warmer and generally dry weather is expected for the holiday weekend. The cold-bearing upper low will continue to dig eastward today with effects lingering over the ern counties in the form of isolated showers and cooler temperature. Veered sfc wind and a slightly warmer airmass wl support temperature just a few degrees under the averages. Expect another round of 90 F temperature in advance of a mid week cold front. An approaching longwave trough/cold front will moderate temperature back toward the averages and make rain likely again by midweek. IFR and MVFR stratus is likely for ports north and east of PIT early this morning as cold upper low pres conts to dig eastward with nly flow off the Lakes. Restrictions and rain wl become likely again with a mid week cold front.