Aikyam-Lab/Synoptic-Bench huggingface dataset:
355 AM CDT SAT JUN 25 2016 Early this morning a mid-level trough was stretched across the northern Rockies with a mid-level ridge in place across the southeastern U. The mid-level trough across the northern Rockies will shift eastward into the Dakotas today, and this advancing trough will help to push an area of low pressure and an associated cold front eastward into the forecast area. As this cold front slowly shifts eastward across the CWA tonight into Sunday morning, precipitation chances will also spread eastward. Despite morning cloud cover across north central Kansas, partly to mostly sunny skies across much of northeast and east central Kansas should allow for decent destabilization through the day as southerly winds aid in high temperatures reaching into the low/mid 90s east to mid/upper 90s west.
350 AM CDT SAT JUN 25 2016 The upper ridge centered over the Gulf coast stretches from the Atlantic to the Pacific.
356 AM CDT SAT JUN 25 2016 Upper level ridge has spread across the southern gulf states from Texas to Florida and will generally remain over the forecast area through the weekend. Subsidence from this ridge will keep rain chances at a minimum. So have kept previous fcst high temps of around 95 today and 95-98 for Sunday in typically warmer areas of the CWA from BTR to HDC and MCB.
Late tonight, we were watching a mid latitude cyclone track along the Montana-Canada border, which will bring a polar front down the western plains through the day today. On the days that feature more sunshine, highs could reach into the lower 90s, but mid to upper 80s are more likely in the wake of any nocturnal storm clusters.
527 AM EDT Sat Jun 25 2016 High pressure will dominate the weekend as quiet weather and warming temperatures move in.
Given the high thickness values and abundant sunshine. highs will warm into the low to mid 90s over Central/Southern Valley. surface ridging moves east allowing moisture to gradually return.
203 AM CDT SAT JUN 25 2016 Water vapor imagery and streamflow depicts a ridge centered over the central Gulf states. A ribbon of moisture was strung along the rim of the ridge from the central Plains thru the mid South thru TN and north AL to a trof axis off the Carolinas. Dew points were running from the upper 60s into the lower 70s. The GFS mixes the low level atmosphere more thoroughly than the NAM, and this may be more reasonable given the past couple of days. However, the wave is forecast to weaken further and moisture transport is non- existent beneath the ridge position. The ridge continues to weaken through Sunday into Sunday Night, so it will become easier for daytime convection to develop.
700 AM EDT SAT JUN 25 2016 A cold front will push through the area this morning. High pressure will build in from the north this weekend. Another cold front will slowly move into the region by mid week and linger in the vicinity with waves of low pressure moving across it through late in the week. The cold front is analyzed roughly between Raleigh and Hatteras this morning and steadily plodding southward. Partly to mostly cloudy skies will prevail with a light NE breeze and lower dewpoints making for pleasantly cooler temps with lows in the low/mid 60s interior to upper 60s/near 70 beaches.
622 PM CDT WED JUL 20 2016 No aviation concerns through the forecast period as high pressure remains in control of our weather. /ISSUED 512 PM CDT WED JUL 20 2016/ An upper high of near 600dm centered over central Oklahoma is keeping the hot weather in place across North and Central Texas with current temperatures in the mid to upper 90s and heat index values generally around 100-104. but unlike yesterday where a weak disturbance rotated around the upper high to cause isolated thunderstorms.
Tonight through Thursday, a broad upper level ridge will continue across the southern and central plains. Afternoon dewpoints will be in the lower to mid 70s across northeast and east central KS.
The local forecast area remains on the eastern edge of a strong subtropical ridge centered across the southern Plains, and several weak mid-level disturbances pivoting ssewd across the region have resulted in a fairly thick layer of cirroform clouds this evening. The upper ridge of high pressure should remain entrenched over much of the southeast through the midwest U.
Gilchrist Previous discussion: Broad upper ridge of high pressure is control of much of the nation and bringing high heat indexes to the Plains today. The upper ridge will retrograde a bit into the area Thursday allowing for mainly sunny conditions. Hot temperatures are not expected as the disturbance and associated cold front will have pushed that airmass east.
723 PM EDT WED JUL 20 2016 A cold front will drop south across the area this evening, bringing drier weather in its wake. The cold front appears to have cleared the northern two-thirds of the forecast area as it continues to drop slowly south. Overnight temperature forecast of the lower 70s inland to the middle 70s at the beaches still holds. High pressure will build by Thursday and will slowly give way to a developing Piedmont trough.
1226 AM EDT THU JUL 21 2016 High pressure will build to the southeast of Maine and New Hampshire overnight. A warm front will approach the southwest Thursday night ushering in humid and much warmer air.
632 PM CDT WED JUL 20 2016 Upper level high pressure continues to dominate. Tonight Through Thursday Night A large area of high pressure aloft continues to be centered over Oklahoma. No movement of this high is noted in the models through Thursday.
High pressure will remain in control of the local weather pattern through the weekend with a light east to southeast flow.
731 PM EDT WED JUL 20 2016 A cold front will drop south across the area this evening, bringing drier weather in its wake. The cold front appears to have cleared the northern two-thirds of the forecast area as it continues to drop slowly south. Overnight temperature forecast of the lower 70s inland to the middle 70s at the beaches still holds. High pressure will build by Thursday and will slowly give way to a developing Piedmont trough.
Some valley locations in the east have already reached the upper 60s while ridgetop locations and some more open terrain locations closer to the Interstate 75 corridor are in the mid to upper 70s. Valley fog should again develop with high pressure dominating, but should have less areal coverage than last night with a drier airmass in place. High pressure will remain in control of our weather through Thursday night.
Will keep current slight chance pops with lack of strong short wave trough. Temperatures overnight will again be in the lower to middle 70s. An upper trough along the East Coast will push further east on Thursday as a massive upper ridge expands over the center of the country. The diffuse frontal boundary will be south of the region Thursday with high pressure ridging into the area at the surface.
744 PM EDT WED JUL 20 2016 High pressure will build south of the area through Thursday.
802 PM EDT WED JUL 20 2016 High pressure builds over the region through tonight then remains in place through the weekend. Weak high pressure is moving over the Mid-Atlantic states tonight as the upper trough off the New England coast exits and the large ridge over the central US builds eastward. Some low stratus is possible early Thursday morning along the lower Bay with some patchy fog inland.
One more Cooler than average day is expected on Thursday thanks to a persistent upper level trough of low pressure positioned over the Pacific Northwest and Northern California.
Dry conditions will continue with temperatures gradually trending warmer through the week, reaching above normal over the weekend. A trough of low pressure remains along the Pacific Northwest coast while a strong ridge of high pressure resides over much of the central and southern U.
An offshore upper low will move toward Western Washington Thursday and inland Thursday night.
1034 PM EDT WED JUL 20 2016 High pressure will build south of the area through Thursday.
1115 PM EDT WED JUL 20 2016 High pressure will move to the southeast of the Maine and New Hampshire tonight. A warm front will approach the southwest Thursday night ushering in much warmer and humid air.
1000 PM EDT WED JUL 20 2016 Corrected for duplicate section Under partly cloudy skies and mostly east winds of 10 to 15 mph, temperatures are in the lower to mid 80s along the island chain. Surface wise, a modest ridge axis is aligned across North Florida, with mostly east winds ranging between 10 and 15 knots except slightly higher on the Florida Straits. The high temperature today (7/20/2016) in Key West was 84 degrees.
Hot temperatures will be the weather highlight as high pressure expands across the Southwest. An outflow boundary from earlier convection pushed through Kingman with a 40 mph gust which was the highest gust observed.
526 PM MDT WED JUL 20 2016 mean central conus ridge will remain in place in the period as a ridge topping impulse advects on its northern periphery. Slightly cooler conds can be expected as the thermal ridge shifts east, with 90s most places and a few 100s on the SD plains.
Large upper level ridge of high pressure will continue to prevail over the Four State Region providing hot daytime temperatures and warm overnights with rain chances around the outer periphery of the upper level ridge with smaller chances under the system.
Skies will be mostly clear tonight with the area under a temporary high pressure ridge. Overnight lows will only be in the 50s and 60s in and around the Lower Columbia Basin, and in the 40s and 50s in the mountains.
As of 9 pm, our current temperatures across interior NorCal range 2-7 degrees warmer than 24 hours ago.
918 PM EDT WED JUL 20 2016 High pressure will move to the southeast of the Maine and New Hampshire tonight. A warm front will approach the southwest Thursday night ushering in much warmer and humid air.
/issued 214 PM CDT WED JUL 20 2016/ Another day of above normal temperatures is expected today with a broad upper ridge centered over the southcentral conus. Not expecting much in the way of storms and rain across the area today except maybe an isolated storm or two across the higher terrain. Temperatures may be a degree or two warmer tomorrow than today as 850 mb temps warm slightly; otherwise, not much change is expected from today.
Axis of Atlantic High Pressure Ridge remains north of the forecast waters.
An Upper level ridge is parked over the area causing light to variable winds at the SFC. A broad upper-level ridge remains firmly anchored over the Central CONUS, and this ridge will continue to be the primary feature in the pattern for the next seven days.
735 PM EDT WED JUL 20 2016 High pressure in control with dry and stable air.
Upper level high pressure continues to dominate. Tonight Through Thursday Night A large area of high pressure aloft continues to be centered over Oklahoma. No movement of this high is noted in the models through Thursday.
The rest of the night will be muggy with lows mostly in the lower 70s. High pressure will prevail over the Mid-State during the forecast period.
Large upper level ridge of high pressure will continue to prevail over the Four State Region providing hot daytime temperatures and warm overnights with rain chances around the outer periphery of the upper level ridge with smaller chances under the system. An Upper level ridge is parked over the area causing light to variable winds at the SFC. A broad upper-level ridge remains firmly anchored over the Central CONUS, and this ridge will continue to be the primary feature in the pattern for the next seven days.
/ISSUED 512 PM CDT WED JUL 20 2016/ An upper high of near 600dm centered over central Oklahoma is keeping the hot weather in place across North and Central Texas with current temperatures in the mid to upper 90s and heat index values generally around 100-104. but unlike yesterday where a weak disturbance rotated around the upper high to cause isolated thunderstorms.
Chattanooga Airport, TN 73 97 74 96 / 20 20 10 10 Knoxville McGhee Tyson Airport, TN 70 94 72 93 / 10 10 10 10 Oak Ridge, TN 70 95 72 94 / 10 10 10 10 Tri Cities Airport, TN 62 93 65 90 / 10 10 10 10.
Jet max exiting to the northeast is providing lift behind a cold front that moved through the area earlier this afternoon. Temperatures were running slightly cooler across western areas today, although high temperatures are expected to top out in the 90s to low 100s across the area.
Some small hail was observed with the thunderstorms over the higher terrain. This will favor the high country for better precipitation chances. Convection will slowly end over the high country late tonight.
940 PM CDT WED JUL 20 2016 Wx map continues to show high pressure at the surface over the S and SE U. with high pressure aloft dominating most of the middle of the country. This latter activity associated with disturbances rotating about the periphery of south plains anticyclone. This as high pressure remains ridging across the southeast CONUS and adjacent gulf waters.
812 PM EDT WED JUL 20 2016 Mainly dry conditions will persist into Thursday morning before a warm front brings low chances for showers and storms into the forecast Thursday afternoon and evening across northern Indiana and southern Michigan. Lows tonight will range between the upper 60s and lower 70s, with highs on Thursday into the lower 90s.
915 PM EDT WED JUL 20 2016 High pressure builds over the region through tonight then remains in place through the weekend. Weak high pressure is moving over the Mid-Atlantic states tonight as the upper trough off the New England coast exits and the large ridge over the central US builds eastward. Some low stratus is possible early Thursday morning along the lower Bay with some patchy fog inland.
/Issued 314 PM CDT WED JUL 20 2016/ Strong upper level ridge of high pressure will remain in control through the rest of the week, with hot and humid conditions persisting.
848 PM EDT Wed Jul 20 2016 High pressure centered over the Mid Atlantic tonight will drift offshore Thursday.
745 PM EDT WED JUL 20 2016 STRONG HIGH PRESSURE SURFACE AND ALOFT ALONG WITH DEEP EASTERLY FLOW PERSISTS ACROSS THE FLORIDA PENINSULA.
650 PM CDT WED JUL 20 2016 Large mid-upper high will continue to dominate the south-central CONUS during the period, while subtropical moisture and embedded vort lobes circulate around its periphery.
1000 PM EDT WED JUL 20 2016 Under partly cloudy skies and mostly east winds of 10 to 15 mph, temperatures are in the lower to mid 80s along the island chain. Surface wise, a modest ridge axis is aligned across North Florida, with mostly east winds ranging between 10 and 15 knots except slightly higher on the Florida Straits. The high temperature today (7/20/2016) in Key West was 84 degrees.
711 PM CDT WED JUL 20 2016 Elevated convection continues to bubble across west central Wisconsin within the broad synoptic scale warm frontal zone this afternoon.
Warmer Thursday and even drier than today as upper flow backs to more southerly while thermal trough intensifies at the surface.
1050 PM EDT WED JUL 20 2016 A cold front will drop south across the area this evening, bringing drier weather in its wake. Previous discussion follows: The cold front appears to have cleared the northern two-thirds of the forecast area as it continues to drop slowly south. Overnight temperature forecast of the lower 70s inland to the middle 70s at the beaches still holds. High pressure will build by Thursday and will slowly give way to a developing Piedmont trough.
Recent trends have been to keep the highest moisture and vertical motion, along with the inevitable thunderstorm clusters, some 20 miles south of the border. /issued 311 PM CDT WED JUL 20 2016/ SHORT TERM (Tonight through Thursday Night): A persistent ridge of strong high pressure is sitting across the CONUS. the high pressure's placement lends itself to a much better situation for Deep South Texas and the RGV. A upper level disturbance/weakly inverted trough will begin pushing west to north west across the Gulf late tonight and eventually over the coast and farther inland through the day on Thursday.
1253 AM EDT THU JUL 21 2016 High pressure will build south of the area through Thursday.
A very quiet period is in store, with ridging at the surface and aloft dominating our weather. With the westerlies well to our north and high geopotential heights due to the ridge, we will see above normal temperatures.
BMickelson Previous short term discussion: A large low pressure system will move across the region through the end of the week.
Despite the thicker cloud cover temperatures a few areas are actually a few degrees warmer than yesterday.
1254 PM EDT TUE SEP 20 2016 Dry weather is expected with temperatures running much above normal through the work week as upper ridging remains overhead. High pressure in control tonight and Wednesday. While the remnants of Julia will continue meandering around the coastal Carolinas to start the period, most model guidance depicts the closed low opening and phasing with large scale flow by the end of the workweek. A prominent upper level ridge will develop to our west, stretching from the Gulf of Mexico into Canada. By the end of the workweek, the upper ridge axis begins slowly migrating east. There is some disagreement among operational guidance members, mainly with ridge amplitude/axis placement, but thinking is that a northwest flow regime will begin developing between the ridge to our west and a deepening cyclone near the Canadian Maritimes.
731 AM EDT TUE SEP 20 2016 A weak cold front will move southeast across the region Today.
Flat upper level ridge axis was over eastern MT. Water vapor loop indicated an upper level trough off the southern CA coast. Trough will move into the Northern and Central Plains by 00Z Thu and bring threat of rain in the southern Red River Valley. High level moisture forecast to move into southern MN and southern SD Upper level trough off the west coast of Canada will move into the Intermountain West and deepen. Downstream ridge building will occur over the Northern Plains by 12Z Fri.
Chattanooga Airport, TN 90 66 89 66 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 88 63 88 64 / 0 10 0 0 Oak Ridge, TN 88 64 90 64 / 0 0 0 0 Tri Cities Airport, TN 85 59 87 60 / 0 10 10 0.
High pressure continues to further build into the Tennessee Valley this morning. We will be stuck between high pressure to our west and low pressure to our east today.
The upper level ridge responsible for the late summer heat will reign supreme across the southern plains late into the week before an upper level trof currently off the coast of the northwestern United states moves into the Rockies and nudges the ridge to the east.
944 AM EDT Tue Sep 20 2016 High pressure will remain over the Ohio Valley through the rest of the work week, allowing dry weather to continue.
621 AM CDT TUE SEP 20 2016 Upper level ridging will bring hot and generally quiet weather across the region for the next few days. Subsidence from the ridge is expected to suppress convection across the vast majority of the area today. However, recent high-res guidance is hinting at some isolated convective development late this afternoon from the upper TX coast into East-Central Texas, where a weak easterly wave may be traversing the southern periphery of the ridge. /ISSUED 315 AM CDT TUE SEP 20 2016/ Another hot day is in store for North and Central Texas as upper level high pressure remains parked over the region.
Scattered showers will continue over the Washington Cascades as an upper low moves slowly into the Pacific northwest. The upper low will continue to impact our weather the next few days with scattered showers into Wednesday then a more widespread coverage of showers Wed night into Thu. An upper low will develop over the Pacific Northwest during the next 24 hours.
This is in advance of an upper level low circulating off the pacific northwest coast, which is forecast to become a closed circulation around 00z Wednesday.
/issued 446 AM CDT TUE SEP 20 2016/ Massive swath of dry air covering the deep South as indicated by water vapor imagery with mid and upper level ridge axis extending across this region. The real treat will come during the morning hours as low temperatures will be dipping into the 60s over the next few days, but the drier air in place coupled with ample sunshine will still allow for highs to easily climb back into the lower to mid 90s.
946 AM EDT TUE SEP 20 2016 A weak cold front will move southeast across the region Today.
Otherwise, the current forecast of highs in the low-mid 90s and slight/low chances of showers and storms across the FL Big Bend still looks good.
Upper ridge will build this way from the southwest and keep a dry forecast going for several days. Winds were calm early this morning but expect winds to become northeast near 10 kts from 15Z to 00Z due to the low level pattern which features a ridge over MI and a low over the deep Southeast U.
There may be some weak convergence along this boundary this afternoon before it moves north of the CWA as a warm front this evening.
A weak cold front moving across the area this afternoon may produce a few light rain showers near the Canadian Border.
756 AM EDT TUE SEP 20 2016 A cold front will cross the region this afternoon followed by drier and cooler air by late week. Even cooler air is expected for the first full weekend of Autumn. A cold front will approach the region from the west and cross the state today. Drier and cooler this term. Another cold front is forecast to slide across the region Wed afternoon. Clearing for Wednesday night and cooler than the previous nights w/overnight lows projected to be in the mid 40s north and west w/upper 40s to around 50 central and downeast.
Temperatures are mainly in the low to mid 60s, with Memphis International Airport sitting at 70 degrees. A large upper level ridge of high pressure over the Southern U. Clear skies will result in temperatures peaking in the lower 90s each afternoon with lows in the 60s to around 70 degrees. A dry weekend is on tap as high pressure remains in control.
An early morning analysis showed upper level ridging across much of the southern US while the fast, zonal flow remained confined to the northern US. At the surface, high pressure was sprawled across the lower Great Lakes and Ohio Valley. Locally, readings varied from the low to upper 60s. There were pockets of fog, some dense, across central and southern Kentucky and was confined mainly to the low- lying sheltered valley locations. Dry weather will continue tonight with lows falling into the low/mid 60s.
A weak west-southwest to east-northeast oriented cold front is currently sinking across northern Illinois. Forecast is warm and rather calm for the most part as the upper ridge builds over the eastern half of the CONUS for the rest of the week.
1243 PM EDT Tue Sep 20 2016 High pressure will dominate the weather pattern through midweek with dry and unseasonably warm conditions.
On Wednesday, an upper level trough is anticipated to lift northeastward out of the Colorado Rockies. The ridge of high pressure which has brought pleasant weather to the Panhandles for the past few days will weakened slightly to allow trailing vort lobes behind the trough to move across the northwestern zones.
/ISSUED / A weak backdoor cold front is still progged to move across the FA later this afternoon. As the high moves off to the east and pressures fall out west, an increasingly SE low-level flow will help to draw moisture in from the Gulf starting Weds night. A deepening upper trof appears to close off a low near the Four Corners on Sun. Not completely shutting the door on the idea of a "proper" cold front with this system at this point. but having to temper enthusiasm for one is getting tiresome given we are already past our average calendar day for our first cold front (Sept 15).
705 AM EDT Tue Sep 20 2016 High pressure will dominate our weather for the next several days, with dry conditions, and above normal temperatures for late September. A weak cold front is actually expected to drop across the area this afternoon, but lack of moisture or forcing should preclude any shower activity, or even much in the way of cloud cover.