Aikyam-Lab/Synoptic-Bench huggingface dataset:
Thus we should see a good amount of sunshine on Sunday with temperatures 5-10 degrees warmer than today, depending mainly on the amount of snow remaining on the ground.
The most widespread and heaviest rainfall tonight looks to be between 03-09Z as the cold front starts to move into the region and a low level jet ramps up across east central KY.
Upper level low over the Midwest with trailing trough down into east Texas will continue to move eastward across the region this evening. As the trough moves through, a deeper northwest flow will develop and this will end shower activity over South Central Louisiana with skies clearing further during the overnight with VFR conditions prevailing. These showers are expected to exit the CWA by late this evening and high pressure will begin to build into the region tonight and through the day tomorrow.
Will allow the high wind warning to expire on schedule and be followed up with a wind advisory. Sunday-Sunday night: It will be a bit warmer due to less clouds, more insolation and loss of cold air advection, but temperatures will still below normal.
630 PM CDT Sat Apr 14 2018 Early afternoon surface map showed low pressure near Springfield, with a cold front extending south and the oscillating warm front east to near Champaign. Have kept a mention of isolated/scattered thunder ahead of the low/cold front, which should be near Champaign by 7 pm. However, as the upper low drifts into western Illinois toward midday Sunday, the showers will be on the increase again. Looks like the 3rd Sunday in a row with some snow potential across the CWA, as colder air is drawn in behind the departing upper low.
632 PM CDT Sat Apr 14 2018 Main upper-low currently centered over northeastern Kansas will continue to push eastward and take on a negative tilt as a ridging pattern builds over the western CONUS. This may include a brief period of freezing drizzle late this evening as temps cool prior to the arrival of deepening moisture availability. In all, low temps tonight will dip to the mid to upper 20s for most areas, with colder values Sunday night dipping into the low to mid 20s for all areas as cloud cover clears the area.
In confluent flow between a mid-upper low over srn Quebec and a srn stream trough near the Rio Grande, WV satellite imagery depicts an increasingly-sheared disturbance over the upstate of SC this morning; and this feature is forecast to shear ewd and offshore the NC coast through 12Z. , where convergence and somewhat higher surface dewpoints in the lower 60s will reside. It will otherwise be warm, but certainly not uncomfortably so owing to the low humidity values, with high temperatures in the middle to upper 80s, to around 90 degrees over the Sandhills.
Have added VCSH 03/01Z-08Z at KDRT as another spoke of energy rotates around the upper level trough over far western Texas. Upper air analysis last evening showed split flow over the western part of the country with a trough to our west and southwesterly flow over TX. At the surface, high pressure was centered to the east and winds were from the southeast. The upper trough will remain stalled over the southwest today and tonight. Models show the upper pattern becoming progressive beginning Saturday with the trough in the southwest moving over TX.
Period will be characterized by the building western ridge leading to northwest flow over the Central Plains. A couple of weak waves will descend on the east side of the ridge through the Great Lakes and eastern U. The ridge is forecast to breakdown toward the end of the work week with thunderstorm chances resuming within the more zonal flow.
Fcst soundings show convective temps in the lower 80's today and PW values around 1.
Highs should reach the lower 80s across most areas, with temperatures falling into the 60s near the lake. There will be chances of tstorms mainly after 06z tnt as a warm front approaches. High pressure will slowly move away today. 925 mb temps will warm to 20C which will yield high temps in the lower 80s over much of srn WI. For tnt, a warm front will approach with warm advection most focused around 850 mb on a 25 kt wly LLJ.
Lower levels have moistened further and instability is still a little on the low side, but shows potential for pockets of around 1000 joules per kilogram of convective potential energy before rapid consumption occurs. Saturday the weak upper trough, or just weakness aloft, will be passing overhead maintaining baggy height fields with adequate deep moisture but very weak dynamic lifting mechanisms.
Early this morning, high pressure was located over the middle of Lake Michigan. Temperatures ranged from the low 50s to the low 60s this morning. Weak flow will keep the high pressure near the area and will be the primary driver of the short term period.
947 AM MDT Fri Jun 2 2017 Mostly clear skies prevail today and Saturday, as high pressure strengthens over the region. Temperatures trend warmer through the weekend.
1250 PM EDT Fri Jun 02 2017 Weak high pressure will build into central NC through Saturday, then drift offshore Saturday night.
Think some areas will push into the low 90s for highs. Steady winds have kept temps in the low 60s overnight, so will be starting the day 10 to 15 degrees warmer than yesterday. Combined with afternoon highs in the low 90s in some spots, this yields some decent CAPE values. Otherwise there was a slight change in the models, with some showing some thunder development ahead of the sfc front from Alexandria to Roseau between 7 and 10 pm, mainly associated with the low level jet.
947 AM EDT Fri Jun 2 2017 High pressure centered over the Western Lakes will build over the area today and linger into Saturday.
Temperatures are in the lower to mid 80s. In the low levels of the atmosphere, an Atlantic ridge of high pressure will extend across the central portion of the Florida peninsula this afternoon. In the mid levels of the atmosphere, an Atlantic ridge of high pressure will extend across South Florida today. In the upper levels of the atmosphere, a ridge of high pressure will be located over the central Gulf of Mexico this afternoon.
The lower ceilings and visibilities will gradually thin and decrease this morning. Otherwise, temperatures will be close to normal to a bit cooler due to the clouds and rain chances.
The lowest visibilities (1/4sm or less) have been seen across the south central Texas Panhandle.
514 AM MDT Fri Jun 2 2017 Upper trough currently seen on WV imagery over eastern ID into western UT will progress very slowly eastward and be located roughly along the Laramie Range by noon today. Upper trough will kick out of the area by late tonight and give way to building ridging aloft for the weekend.
/issued 417 AM CDT Fri Jun 2 2017/ (Today and Tonight) Latest water vapor imagery shows an upper low over northern Mexico early this morning and this system will approach West Central Texas later today. Highs today will be mainly in the lower 80s, with lows tonight in the 60s.
Two weak upper level troughs will have an impact on high plains weather over the next couple of days.
Surface analysis was showing a trough near the state border and a quasi-stationary front across cntl Ga. Rip Currents: Mainly low risk of rip currents into Saturday though some weak swell activity could push the risk into the low end moderate range briefly.
Slight warming is forecast for today as high pressure strengthens over California and onshore flow weakens. An approaching low pressure trough will bring slightly cooler weather to the area over the weekend. Quiet weather on tap today with a weak ridge of high pressure across our region. Cooling trend into the weekend as a longwave trough approaches. Weak high pressure aloft building over the west along with less of an onshore flow will bring warmer temperatures to the district today and Saturday, especially across inland areas, where highs are expected to be about 5 to 10 degrees warmer than yesterday's highs.
1022 AM EDT Fri Jun 2 2017 High pressure today for bright and sunny skies. A warm front crosses Saturday.
Weak low level flow with subtropical ridge axis over region. Even though daytime heating a little limited due to early start of precip/cloud cover it will be aided by troffing aloft with pieces of vort energy crossing the region. Bermuda ridge axis remains over top the area, maintaining generally south flow at or below 10 knots through the period, with winds turning onshore/east along the coast with the afternoon sea breeze circulation.
An east/west oriented band of thunderstorms had formed along a slow, northward-moving 850mb warm front, aided by a midlevel cyclonic shear axis.
738 AM EDT Fri Jun 2 2017 Aviation High pressure will provide another pleasant day before slipping away Saturday. Low pressure tracking east across the northern Great Lakes Region over the weekend will bring scattered showers and thunderstorms. Otherwise, another mostly sunny and pleasant day with warmer highs near 80s. First, the warm front related pcpn will probably struggle to move in from the west on Saturday and the whole day could easily end up being dry/warm with considerable sunshine.
1050 AM EDT Fri Jun 02 2017 Weak high pressure will build into central NC through Saturday, then drift offshore Saturday night.
Dew points in the southern part of the area remained in the lowers 60s early this morning, but will be falling due to advection and mixing during the day today.
Latest satellite imagery showed short wave ridging over the region with west southwest flow aloft. On the surface weak high pressure was noted with some patchy fog development across the region. Highs today will be in the lower to middle 80s.
While the highest PoPs will once again be in central Georgia closer to the lingering weak boundary, moisture does begin to return farther northward.
Chattanooga Airport, TN 88 66 89 66 / 20 10 20 20 Knoxville McGhee Tyson Airport, TN 85 61 87 64 / 10 10 20 20 Oak Ridge, TN 86 62 87 63 / 10 10 10 10 Tri Cities Airport, TN 83 55 85 60 / 10 10 10 10.
Today high pressure ridging will gradually amplify over our area as a trough of low pressure deepens in the Gulf of Alaska.
High pressure will build over the area this weekend, bringing hot and dry conditions.
645 AM CDT Fri Jun 2 2017 Early morning satellite imagery shows upper ridging building over the Northern and Central Plains while sharp troughing continues over the High Plains and just to the west of the ridge. Temperatures should top out in the upper 80s for most areas under the upper ridge. Sharp upper trough currently over the High Plains will move east into western Nebraska later tonight. This will continue to de- amplify as it moves across Nebraska along with a weak cold front. Meanwhile, upper level ridging will be amplifying over the Rockies while a closed low drops south out of Manitoba and passes just to the east of the area. Upper heights will build overhead into the early part of the week as the upper ridge slowly shifts east across the Central Plains.
Expect to see convection begin bubbling up as temperatures rise into the lower 80s in the next couple of hours.
Mostly clear skies prevail today and Saturday, as high pressure strengthens over the region. Temperatures trend warmer through the weekend.
/Today through Tonight/ Large area of high pressure beginning to shift east and currently extends from Florida and through the central Great Lakes. Trough of low pressure has entered the Western Plains and is bringing an increasing pressure gradient to western Iowa and return flow.
A broad trough will quickly pass through the region this weekend while high pressure builds behind it.
High pressure system is expected to remain across Indiana through Saturday.
837 AM EDT Fri Jun 2 2017 High pressure will bring pleasant and dry weather through Saturday.
1135 AM EDT Fri Jun 2 2017 High pressure will bring pleasant and dry weather through Saturday.
Skies will remain mostly cloudy today with highs in the low to mid 80s. Did include VCSH for TYR this afternoon as convection over N TX may expand NE into portions of NE TX ahead of a broad upper level trough, with the convection possibly lingering through the evening before diminishing. This feature will help to induce scattered convection as we heat up into the lower to mid 80s this afternoon but can't really justify anything more than 50 pops based on the lack of a defined surface feature as an inverted trough will remain to our south closer to the coast. The weekend continues to trend wet as more broad troughing slowly advances east from the desert southwest.
939 AM EDT Fri Jun 2 2017 High pressure will bring pleasant and dry weather through Saturday.
Convection has fired southwest of Mobridge, South Dakota, early this morning on the nose of the low level jet. The low/trough had nudged/expanded into the western Dakotas border early this morning. The stronger portion of the trough/low is forecast to lift northeastward from southern Alberta across Saskatchewan. The southern extent of the trough is progged to move east across the Dakotas today and tonight.
Upper ridging will be rather prominent over the central CONUS today into tonight, greatly limiting chances for precipitation. A weak upper trough and associated surface cold front will approach the area Saturday, providing a slight chance of convection, albeit overall forcing remains rather nebulous.
with more sun and warmer readings. An east/west oriented band of thunderstorms had formed along a slow, northward-moving 850mb warm front, aided by a midlevel cyclonic shear axis.
Slight warming is forecast for today as high pressure strengthens over California and onshore flow weakens. An approaching low pressure trough will bring slightly cooler weather to the area over the weekend. Weak high pressure aloft building over the west along with less of an onshore flow will bring warmer temperatures to the district today and Saturday, especially across inland areas, where highs are expected to be about 5 to 10 degrees warmer than yesterday's highs.
As the trough axis moves east of the area this afternoon expect dry conditions with building heights to dominate. Cold front has pushed east thru Miles City but has not yet reached the Dakotas border as of 245 am. Quiet weather will persist thru the remainder of the short term period (Sat night) as the upper level ridge builds back over the region.
/issued 412 AM CDT Fri Jun 2 2017/ SHORT TERM (Now through Saturday): Little to no precipitation is forecast during the period with Deep South Texas and the Rio Grande Valley remaining on the northern periphery of 500 mb high pressure that will build over central Mexico.
With the low level jet continuing to intensify through daybreak, will maintain a slight chance PoP along the Highway 20 corridor through early morning. The only other area to monitor this afternoon will be along the southern portions of the Buffalo Ridge, where the slow retreat of the sfc warm front will continue. With good mixing in a transitioning northwesterly flow, it will be another very warm day, and stayed on the high side of guidance with highs into the mid and upper 80s once again. Saturday night will have clear skies, light winds and lowering dewpoints, and temperatures will be a little cooler with lows in the mid and upper 50s.
Did include VCSH for TYR this afternoon as convection over N TX may expand NE into portions of NE TX ahead of a broad upper level trough, with the convection possibly lingering through the evening before diminishing. This feature will help to induce scattered convection as we heat up into the lower to mid 80s this afternoon but can't really justify anything more than 50 pops based on the lack of a defined surface feature as an inverted trough will remain to our south closer to the coast. The weekend continues to trend wet as more broad troughing slowly advances east from the desert southwest.
Looks like a rinse and repeat of yesterday, but temperatures may be a degree or so warmer. We will continue with some weak upper disturbances traversing through the transition of a flattening ridge/meager zonal flow.
Dry air mass will remain in place across the eastern CWA today, on the fringes of the high pressure to our east. Dew points likely to dip into at least the mid 40s from about Bloomington-Paris, before creeping upward late afternoon as the high edges eastward. With time, the threat for any convection will shift northeast, as the upper ridge gradually builds toward the Mississippi Valley.
1133 AM EDT Fri Jun 2 2017 Hydro High pressure will provide another pleasant day before slipping away Saturday. Low pressure tracking east across the northern Great Lakes Region over the weekend will bring scattered showers and thunderstorms. Otherwise, another mostly sunny and pleasant day with warmer highs near 80s. First, the warm front related pcpn will probably struggle to move in from the west on Saturday and the whole day could easily end up being dry/warm with considerable sunshine.
Early this morning, a mid-level ridge was located over the central US with a surface boundary northeast of the area extending from Montana through northern Missouri. Due to this ridging, dry conditions are expected both today and tonight. The mid-level ridge continues to make its way eastward tonight ahead of an approaching upper trough. Trailing energy is forecast to extend southwest into Kansas while a weak front and pre frontal trough approach the forecast area by late in the day.
935 AM MDT Fri Jun 2 2017 Current surface analysis shows weak cold front now from far northwest SD to northeast and central WY. Temps range from the upper 60s over northeast WY to the lower 80s over parts of south central SD. Also lowered high temps a bit across western portions of the CWA, with more clouds and cooler air pushing in. Upper ridge axis is now moving across the central Dakotas with southwest flow developing over the CWA. Broad low amplitude ridging will move into the region Saturday with dry weather and highs in the 80s.
Upper trough currently seen on WV imagery over eastern ID into western UT will progress very slowly eastward and be located roughly along the Laramie Range by noon today. Upper trough will kick out of the area by late tonight and give way to building ridging aloft for the weekend.
There will be chances of tstorms mainly after 06z tnt as a warm front approaches. High pressure will slowly move away today. 925 mb temps will warm to 20C which will yield high temps in the lower 80s over much of srn WI. For tnt, a warm front will approach with warm advection most focused around 850 mb on a 25 kt wly LLJ.
High pressure is controlling the area today. The high in Louisville was moved up two degrees. Stationary front remains draped across the Volunteer State, with a weak bubble of high pressure parked over the Ohio Valley. The high will be enough to maintain dry weather through Saturday. Temps will average near climo, with days a little warmer and nights a little cooler due to low dewpoints. Went a little below guidance with today's highs given light NE flow, and low-level thickness only supportive of 1-2 degrees warmer than Thu.
A rather quiet pattern is expected into Saturday morning as low pressure sits in the Gulf of Alaska for the remainder of the week.
A large trough over the west will continue to slowly swing eastward while ridging remains over the northeast. At the surface, Hurricane Maria is forecast to continue moving northward to a position offshore the Carolinas through Monday, while high pressure remains to our north. Deep troughing extends from the Dakotas south to western Mexico. Ridging extends over the Florida peninsula and New England states. This ridge is helping to steer Hurricane Maria and keep it off the east coast of the U. On the surface, high pressure will remain in control of the weather across the Florida peninsula. With high pressure over the region for the next several days, rain chances will be on the low side (10-30%) POPs with seasonal temps expected. High pressure centered north of the region will support east to northeast winds across the area through tonight.
458 PM MDT Sun Sep 24 2017 The closed low over northern Utah will eject northeast across Wyoming on Monday and onto the Northern Plains by Monday night. A ridge of high pressure will be anchored over the western US through most of the workweek.
Upper trough still prevails overhead, though with some clearing noted in the afternoon. Warmer temperatures with somewhat less cloud cover. Main trough aloft moves off to our east, though will still likely see some cloud cover, with slow clearing from west to east.
At the coast the thermal trough is expected to build to around Cape Blanco with dry offshore flow for Curry County.
358 PM CDT Sun Sep 24 2017 Temperatures recovered from the upper 60s to near 70 this morning under the influence of high pressure at surface and aloft.
Cool and breezy conditions will persist this weekend as a low pressure system sits over the Great Basin. Expect freezing temperatures for much of the high country Sunday and Monday mornings.
136 PM EDT Sun Sep 24 2017 Broad, dry high pressure will persist across the region through the middle of week.
These temps with similar dewpoint temps will once again provide heat index values in the low to mid 90s. Pattern begins to change across the region as upper level ridge shifts to the east and with large trough pushing through the central CONUS.
For those who enjoy the heat, you have one more day before reality returns to northeast WI autumnal weather! The 19z MSAS surface analysis showed high pressure situated over the eastern Great Lakes. Subtle changes begin to occur tonight as the upper ridge over the eastern CONUS slides a bit eastward, thereby allowing the quasi- stationary front over the Upper MS Valley to edge toward the WI border by 12z Monday. Min temperatures to be in the lower 60s north, middle 60s south. Monday Night Through Sunday Blocky ridge over the eastern CONUS gradually flattens as wave ejects from western trof and moves across northern Great Lakes.
258 PM CDT Sun Sep 24 2017 Rain and cool Fall weather conditions have arrived ahead of an upper trough over the Rockies. A north to south elongated band of rain, which was oriented across western Nebraska/Kansas overnight has been gradually edging east toward our central cwa, towards the Highway 281 corridor. 10 inches in Cambridge, with rain still falling today. The rain and cold frontal boundary will slowly work east tonight and Monday bringing widespread and decent rainfall amounts to south central Nebraska and north central Kansas. Monday will really feel like Fall with the cooler air in place, cloud cover and rain around.
Low pressure remains aloft over the Gulf of Mexico as Hurricane Maria continues northward to the east of the Bahamas. Later in the week, Maria will continue her path northward and a trough extending into the South Florida will bring some additional moisture and increasing rain chances.
115 PM CDT Sun Sep 24 2017 The region is in between an upper level ridge to the east and a deep trough to the west. High pressure is still in control of our weather pattern today. Upper levels height levels may just be a tad lower than previous days which means high temperatures may just be a degree or two cooler than yesterday. The deep trough over the western U.
A ridge of high pressure along the west coast is gradually getting stronger leading to a slow warming trend. Northeast to east wind in the low to mid levels continues through much of the week as a ridge develops to the west with a longwave trough well to the east. The presence of the northeast to east flow is likely to delay our warmup through the week so both high and low temperatures were kept on the low end of recent model guidance. the one area where gusty winds will continue for a few more nights will be over the higher ridges. but a pressure gradient aloft remains in place as well as an upper low develops in the lower Colorado Valley along the AZ/CA border. Wind gusts were close to 50 mph over the Sierra ridges last night.
This low has also increased the dry airmass as a general subsidence zone has set over the southeast.