Aikyam-Lab/Synoptic-Bench huggingface dataset:
341 AM CDT Tue Jun 20 2017 A weak wave moving through a fairly strong northwest oriented upper level jet will bring a very small chance for showers to areas east of the Buffalo Ridge in southwest MN early this morning. After this small threat passes an extremely nice day is in store as high pressure settles in at the surface.
Ahead of the associated cold front, temperatures will climb into the lower 90s with the aid of pre- front warming. As the cold front moves through the area late this afternoon and into the evening, still expecting some thunderstorms to develop. Wednesday will generally be dry behind the cold front. Temperatures will be around 10 degrees cooler.
1207 AM CDT Tue Jun 20 2017 High pressure will dominate with widespread VFR conditions expected through the period. The cold front associated with the precipitation this morning has pushed well south of the state. an upper level ridge of high pressure will remain firmly anchored over the SW portions of the CONUS.
157 AM EDT Tue Jun 20 2017 More showers and storms are expected today as upper level disturbances move through an upper level trough. High pressure will then move across our area Wednesday providing fair weather.
329 AM CDT Tue Jun 20 2017 Upper level ridge to over the southwest U.
Temperatures today should be in some cases about 10 degrees warmer than yesterday. An upper level wave will enter the west tonight and bring with it a cold front.
324 AM CDT Tue Jun 20 2017 Looks like a fairly quiet weather pattern the next few days due to a stable and nearly stationary upper ridge across the desert southwest states. There still could be a stray thunderstorm in the Davis Mountains or the Marfa Plateau this afternoon due to very intense heating of the higher terrain and upslope flow with subdued 700 millibar temperatures.
409 AM EDT Tue Jun 20 2017 An upper trough will provide more comfortable conditions through midweek.
A frontal boundary should sink into north GA overnight as the upper trough deepens over the Great Lakes. Even by 12z Wednesday there is some discrepancy regarding the position of the low's center. the cyclonic flow around this system will likely channel moisture in a northerly fashion up the eastern Gulf as anticyclonic flow associated with the Bermuda high/ridge builds west toward the Bahamas and FL and interacts with the cyclone's wind pattern.
526 AM CDT Tue Jun 20 2017 A weak wave moving through a fairly strong northwest oriented upper level jet will bring a very small chance for showers to areas east of the Buffalo Ridge in southwest MN early this morning. After this small threat passes an extremely nice day is in store as high pressure settles in at the surface.
/issued 750 PM EDT Mon Jun 19 2017/ Convective coverage has decreased this evening as the mid-level trough axis shifts northward and diurnal heating ends. Possible Tropical Cyclone Three, north of the Yucatan peninsula in the Gulf of Mexico, continues to help focus convection to the west of our region. Some subsidence from Possible Tropical Cyclone Three is also helping lower convective coverage along the east coast metro.
348 AM MDT Tue Jun 20 2017 Upper level analysis has broad trof across the eastern CONUS and a ridge building across the western CONUS. At the surface, high pressure resides across the area with temperatures at 3am in the 50s to lower 60s. A weak surface trof will slide across eastern WY, with light winds becoming westerly by the afternoon. By Wednesday night, trailing mid level boundary combined with the low level jet/strong warm advection should produce another round of nocturnal convection across western SD, shifting east through the night.
659 AM EDT Tue Jun 20 2017 A weak cold front will drop into the area tonight and lift back north Wednesday night.
Very good agreement and consistency with the models with a significant short wave trough dropping into the region from the northwest tonight into Wednesday. A leading weaker short wave trough from the west tonight and Wednesday along with WAA will bring the first shot of showers and storms after midnight out west. With the clouds, rainfall, and northeast winds it will also be cooler mainly in the 70s for highs on Wednesday. Models remain very consistent with the strong upper level low pressure system exiting the region late Wednesday into Thursday morning. Model 850 MB temperatures range from the low teens across the western CWA to single digits across the eastern CWA Thursday afternoon.
350 AM CDT Wed Aug 2 2017 This morning an upper ridge is centered over the Great Basin while a broad trough remains over the Eastern US. The center of the ridge will shift west as trough spreads westward with area heights falling. Should be a few degrees warmer today but still in the 80s as a northerly wind veers around to the east late in the day.
312 AM EDT Wed Aug 2 2017 High pressure continues sliding eastward through Thursday with gradually increasing moisture.
Have kept some reduction of visibility in the 06Z TAFs, but have backed off somewhat on the low visibilities.
123 AM EDT Wed Aug 2 2017 Humidity will return late in the week as a cold front approaches from the northwest.
A Canadian cold front remains draped across western Montana this morning, creating breezy northeast to east winds for much of western Montana and central Idaho. Cooler temperatures are expected today across western Montana, however much of north central Idaho will remain quite warm today as the cold front never makes it across the Bitterroot Divide.
402 AM EDT Wed Aug 2 2017 Dry high pressure will prevail today.
In the wake of a front, temps on Thu are expected to be several degrees cooler. Highs are mostly expected to be in the 70s acrs the high valleys and southeast plains, with some 60s in El Paso county. Temps on Fri should be a little warmer than on Thu. Temps should be cooler again on Sun.
658 AM EDT Wed Aug 2 2017 High pressure continues sliding eastward through Thursday with gradually increasing moisture.
In the upper levels a trough will be over the Eastern U. On Thursday highs will be in the lower 80s due to increased cloud cover and rain/storm activity.
258 AM EDT Wed Aug 2 2017 High pressure continues sliding eastward through Thursday with gradually increasing moisture.
138 AM EDT Wed Aug 2 2017 Dry high pressure will prevail tonight while Tropical Depression Emily passes well offshore.
1043 PM PDT Tue Aug 1 2017 August will begin with much warmer than average temperatures.
Cold front associated with upper wave will also approach the Palmer Divide late in the afternoon, which should help force convection over the nrn half of the plains, as CAPE north of the Arkansas Valley climbs to around 1000 J/KG. Max temps should climb just a few degf over the area Wed afternoon with increased mixing ahead of the upper wave/cold front, and a few spots on the plains reach the 90f mark by late in the day. First cold front comes through Wednesday night and models are keeping isolated to scattered showers going through the overnight hours across the eastern half of the forecast area. Thursday will be much cooler behind the front with showers diminishing in the morning.
Wetter conditions look to return for the end of the week as low pressure settles into the northeast. Mid-level ridging continues to slide east into the Canadian maritimes and putting the North Country in southwest flow. Combination of approaching trough and differential heating in the mountains to be the main triggering for convection. Continued seasonably warm temperatures as maxes reach the low to mid 80s. Higher RH and more clouds will keep temperatures a bit warmer than previous nights, with lows mainly in the 60s.
212 AM PDT Wed Aug 2 2017 August will begin with much warmer than average temperatures.
338 AM EDT Wed Aug 2 2017 High pressure will keep the weather mainly fair through midweek, though slowly increasing humidity will bring isolated to scattered thunderstorms each afternoon.
The 500 mb trough will strengthen over MN by Thursday morning with wrap-around pcpn and gusty northerly winds expected in the eastern CWA.
331 AM CDT Wed Aug 2 2017 Northwest low-level flow will actually bring slightly warmer air into the area today, with a pocket of 850 hPa temps near 17 to 18 C spreading in from Nebraska and the Dakotas. This warmer airmass allowed those areas to rise into the middle to upper 80s yesterday and similar readings are expected across our area today. This activity will develop ahead of a cold front currently over the northern High Plains which will eventually track into eastern KS and northern MO Thursday evening and afternoon.
328 AM MDT Wed Aug 2 2017 Canadian cold front has moved through Central Montana and will continue to move through Southwest Montana today. Behind the front, much cooler temperatures and higher humidity will bring a much needed break from the summer heat.
With very dry air above the low level moisture storms are not expected to be severe but could produce rather gusty winds given DCAPE values over 1000 J/KG. On Wednesday the day should start out sunny with a slow increase in clouds across the north as a cold front approaches. May see thunderstorms develop late in the afternoon with the cold front. The remainder of the day on Thursday is expected to be dry, the reason for this is due to dry air over the region from a cold frontal passage Wednesday night.
/Issued 212 AM PDT Wed Aug 2 2017/ Strong high pressure will continue to bring hot to record- breaking temperatures to northeast California and western Nevada this week. As high pressure shifts east late this week, more moisture is forecast to surge northward with increasing thunderstorm coverage into the weekend. It's going to be another hot day as the ridge axis centers right over northeastern California and western Nevada.
Strong high pressure over the region will maintain well above average temperatures across the interior through late week. Temperatures in coastal areas are expected to remain cooler as a result of the marine influence. WV satellite loop clearly shows moisture streaming in from the southeast that is rotating around a strong ridge of high pressure centered over Nevada. Temperatures will retreat a bit by the end of the week as the ridge starts to weaken and the flow becomes more onshore.
Tonight, moisture pooled along the tail-end of a low-mid level trough aloft/old surface boundary will be sagging southward toward the area.
/Issued 326 PM CDT Tue Aug 1 2017/ Current upper level analysis shows high pressure spinning over the Great Basin region with weak low pressure near the OH Valley. Dry subsiding air is moving into the Panhandle region in the wake of the upper low, as seen on the latest water vapor imagery. along the intersection of the invading dry air aloft, and where some low level convergence is noted along a weak lee trough. Shallow low level moisture and light winds should result in at least some patchy fog early Wednesday morning before warming well into the high 80s. A clipper system is expected to move out of Canada into the OH Valley region late Wednesday into Thursday as the upper ridge shifts southwest.
Very hot weather continues under a strong upper ridge.
148 AM EDT Wed Aug 2 2017 Despite high pressure being directly over the area, a disturbance aloft and increased moisture from previous days will promote scattered showers and storms through Thursday.
With very dry air above the low level moisture storms are not expected to be severe but could produce rather gusty winds given DCAPE values over 1000 J/KG. On Wednesday the day should start out sunny with a slow increase in clouds across the north as a cold front approaches. May see thunderstorms develop late in the afternoon with the cold front. the entire Tri State region will continue to see WNW H5 flow as a large 500 mb ridge sits over the western half of the country. On the east side of this strong ridging.
212 AM PDT Wed Aug 2 2017 Strong high pressure will continue to bring hot to record- breaking temperatures to northeast California and western Nevada this week. As high pressure shifts east late this week, more moisture is forecast to surge northward with increasing thunderstorm coverage into the weekend. It's going to be another hot day as the ridge axis centers right over northeastern California and western Nevada.
Strong high pressure over the region will maintain well above average temperatures across the interior through late week. Very warm to hot daytime temperatures are expected inland and across the higher elevations with minimal cooling overnight increasing the risk of heat related illnesses through at least Thursday. Temperatures in coastal areas are expected to remain cooler as a result of the marine influence.
Wednesday will be sunny, dry and noticeably warmer. Afternoon temperatures will range from the mid 80s near the Colorado border, to near 90 at Dodge City, to the lower 90s SE of Dodge City. Cold front expected to enter NW Kansas overnight, with NAM/GFS and ECMWF in excellent agreement showing the frontal boundary entering the northern zones around sunrise Thursday. If a storm were to fire along the advancing cold front late tonight/Thursday morning, it would most likely be near (likely NE) of Hays toward north central Kansas. Lows tonight in the low to mid 60s.
A cold front was moving S and was through KGTF at 08Z. This higher CAPE will be accompanied by greater than 30 kt of bulk effective shear. It will be windy today behind the cold front and will highlight this in the FWF.
634 AM EDT Wed Aug 2 2017 High pressure will begin moving away from the area today as southerly flow begins returning moisture to the area.
A strong upper ridge will build northward off the Pacific Northwest coast the next couple of days.
232 AM MDT Wed Aug 2 2017 The first of two cold fronts has tracked across the CWA east of the divide earlier this evening. Temperatures will be around 10 degrees cooler today east of the divide except 15 degrees cooler in Johnson County. This front will feel the coolest as post frontal northerly winds this morning make it seem cooler.
412 AM EDT Wed Aug 2 2017 High pressure will begin moving away from the area today as southerly flow begins returning moisture to the area.
High pressure will remain offshore through the end of the week.
Weak and broad upper-level trough resides over the area. Expect some partial clearing overnight, allowing lows to drop into the lower 60s to mid 60s, which is a degree or two below normal.
327 AM CDT Wed Aug 2 2017 A weak surface cold front and upper level trough lie over Iowa this morning but are currently causing no impactful weather. While the cold front and associated precip will not arrive until the daytime Thursday, we could see a few WAA-induced thunderstorms develop after midnight. A warm and humid air mass will pool ahead of the system's cold front. The trend over the past several model runs was to slow the arrival of the cold front. As portrayed by the 3 km NAM and NMMB, scattered showers and thunderstorms are expected to initiate along the cold front during the mid to late afternoon.
The upper pattern still persists with an anomalously amplified ridge over the west coast and a trough over the eastern half of the United States, leaving us within northwest flow. Stronger mid-level flow will help initiate storms north of the area today near the cold front, clusters of thunderstorms appear even more likely than in previous runs, with fairly widespread agreement among short-term models that they will barrel through here tonight. The upper level ridge will continue to be located over the western United States with cooler northwesterly flow aloft across the central and northern plains.
206 AM EDT Wed Aug 2 2017 Weak high pressure remains in place through Wednesday night with a weak low pressure trough developing on Wednesday.
At the surface, winds are light and daytime temperatures today have reached into the low to mid 80s across the area. While lower resolution guidance is struggling with this feature, the high-resolution guidance has persisted showing this activity throughout the day. as the high resolution guidance have indicated this trend as well. A stronger upper disturbance and associated cold front will approach the area Wednesday and move through the area Wednesday afternoon and evening. After the cold front moves through late Wednesday/early Thursday morning, temperatures will drop back down.
Cold front will continue to move south across the forecast area this morning. High pressure will build into Central and Eastern Montana this afternoon which will diminish the showers from west to east across the forecast. High pressure will bring clear to partly cloudy skies to the forecast area tonight with overnight lows that will be the coolest since late June with some locations in the upper 40s. The high pressure system remains over the area on Thursday with NW flow aloft continuing. Look dry weather and cooler than normal temperatures with highs in the 70s in most areas.
This decrease in POPs will be short lived as a new cold front will be approaching for Thu night.
The cool trend continues as northerly flow aloft continues to usher cooler air southward into the plains. The models continue to slow down the southward progression of the cold front, which is now expected to arrive Thursday morning. As of now the highest chances for showers and few storms ahead of the front would be far northeast KS Thursday morning.
146 AM EDT Wed Aug 2 2017 High pressure slides eastward through Thursday with gradually increasing moisture.
Given the strength of the upper level wave and QPF signals in the 18-00 UTC global guidance, backed up by CAMs through the 01 UTC HRRR/RAP, trended towards the higher edge of QPF guidance for Wednesday.
332 AM CDT Wed Aug 2 2017 A weak trof of low pressure at the surface will drift across the area today and tonight. This trof combined with cyclonic synoptic flow aloft associated with the longwave trof over the eastern U. Not expecting any airmass changes with this surface trof so am using persistence as a guide for temperatures through the period. Carney Deepening upper level low to lift surface system towards Great Lakes region dragging strong cold front through region Thursday/Thursday night.
405 AM EDT Wed Aug 2 2017 High pressure will begin moving away from the area today as southerly flow begins returning moisture to the area.
1109 AM EDT Sat Sep 2 2017 Today will be mainly dry and cool with high pressure over the region this morning. Rain, associated with the remnants of Harvey and a passing cold front, will be across central New York and northeast Pennsylvania tonight into Sunday.
Visibilities will quickly improve as mixing increases as high pressure slides to the south of the area today providing breezy NW winds and a drier airmass to the region. Lows tonight low to mid 50s as winds lighten with as ridge axis cross the FA.
/Issued 420 AM CDT Sat Sep 2 2017/ Latest upper level analysis places 594 dam ridge of high pressure over the Great Basin slowly shifting eastward while the remnants of Harvey pushes over Kentucky. This dry trend will continue over the next several days as high pressure aloft strengthens and shifts over the Four Corners region.
1022 AM EDT Sat Sep 2 2017 A warm front will lift north of the area today. A cold front will move through from the west tonight.
Strong upper level ridge over the forecast area with a dry and warm airmass.
926 AM MDT Sat Sep 2 2017 Upper ridge of high pressure continues to build over the Great Basin and much of the Western U. Temperatures will be a bit warmer today with readings around 90 degrees on the plains. An upper level ridge will intensify over the western U. The center of the ridge will be over Utah by this evening. There will be a slight chance for a few weak showers and thunderstorms over the higher terrain. Continued dry and warm conditions for the region as a large upper ridge remains entrenched over the northern portions of the Great Basin. RH values will bottom out in the lower teens Sunday afternoon with close to zero storm possibility.
/issued 326 AM CDT Sat Sep 2 2017/ Upper trough expected to continue southward progress over the region today and tonight. As has been forecast the past several days, western portion of the trough axis expected to cutoff over southwest portions of Oklahoma and sink slowly southward into southwest Texas over the next 48 or so. This will help to slow southward progress of trough late this morning through this afternoon.
647 AM CDT Sat Sep 2 2017 No changes to the forecast, very patchy fog in west central MN continues to diminish as the trough continues to push to the east. Visibilities will quickly improve as mixing increases as high pressure slides to the south of the area today providing breezy NW winds and a drier airmass to the region. Lows tonight low to mid 50s as winds lighten with as ridge axis cross the FA.
Warm and Dry today and tonight with light winds as high pressure tracks southeast across the forecast area. this will bring warmer southwest flow into western and central ND tonight, thus a mild night is in store with readings in the 50s to lower 60s. Hot and Breezy on Sunday, then much cooler Labor Day through mid week. We also utilized a consensus of MOS based guidance for winds, which is on the high side of the all guidance.
1259 PM EDT Sat Sep 2 2017 A weak cold front over the LowCountry will move to the coast tonight.
A trough extending across northern Florida and the northeast Gulf of Mexico will remain to the north of the Keys today.
819 AM EDT Sat Sep 2 2017 A warm front will lift north of the area today. A cold front will move through from the west tonight.
A weak upper level trough axis was located across northern MO and extended southwest across eastern KS into western OK early this morning. As the weak H5 troughs shifts southeast into MO and OK, skies should clear through the mid morning hours. Expect mostly sunny skies by afternoon and warmer temperatures as the broad upper ridge located across the western US builds an upper ridge axis eastward across western KS. A weak cold front will push southeast into the northeast counties of the CWA late in the afternoon.
803 AM EDT Sat Sep 2 2017 High pressure will cross the region today through tonight. Low pressure will cross the region Sunday night.
Mostly cloudy skies blanket the area ahead of a pronounced mid and upper level trough that extended from Ohio Valley to the east central Gulf of Mexico.
The remnant low pressure system left by Harvey was located near Frankfort early this morning, and was still causing light precip in the region. The low is forecast to weaken as it moves northeast and becomes absorbed by the westerlies today, merging with a an upper level trough over the Great Lakes. Have used a compromise with at least likely POP area wide, and the highest values in the morning. It may come down to whether the pressure gradient is strong enough to mix out the low level moisture as drier air aloft moves in tonight.
909 AM EDT Sat Sep 2 2017 A weak cold front over the eastern Midlands will move to the coast tonight.
Hot weather peaks today with a strong high pressure ridge over the West.
1015 AM EDT Sat Sep 2 2017 Brisk SW mid/upr lvl steering flow over central FL due to interaction of the Bermuda Ridge with the remnant trof of former T. given the H100-H70 moisture profile and the lower sfc heating, will follow suite and drop PoPs down to 50pct along I-4. Bermuda ridge axis over S FL/FL Straits will maintain a light to gentle S/SW breeze over the lcl Atlc, bcmg light to gentle S/SE near the coast by mid aftn as the east coast sea breeze dvlps. Winds N of Sebastian Inlet veering to a light W/SW breeze in the predawn hrs, then to N/NW by daybreak as a weak frontal trof sags into the north peninsula.
Upper high directly over our CWA today will slide slowly southeastward Sunday and beyond. High pressure over the Pacific Northwest will continue the trend of warm and dry conditions through Sunday.
841 AM EDT Sat Sep 2 2017 A weak cold front over the eastern Midlands will move to the coast tonight.
1223 PM EDT Sat Sep 2 2017 High pressure will cross the region today through tonight. Low pressure will cross the region Sunday night.