Aikyam-Lab/Synoptic-Bench huggingface dataset:
138 AM PST Thu Feb 1 2018 High pressure will strengthen along the west coast through the next 10-14 days. Upper level ridging will amplify off the west coast heading into the weekend. This translates to a continued quiet, dry, and warm weather pattern as high pressure remains in control.
1025 PM MST Wed Jan 31 2018 Updated forecast to allow the High Wind Warning to expire along the I-80 corridor from Elk Mountain to just west of Cheyenne. Winds have continued to subside this evening as a surface cold front has pushed south along the Laramie Range. Snow will taper off Thursday morning but some snow showers still continuing over the higher mtns through Thursday aided by orographics. Cold front slipping slowly westward late this afternoon and just passed Cheyenne with a temp drop from the upper 40s to near 30.
Low temperatures tonight ranging from the mid 40s well inland to the lower 50s at the coast.
Southwesterly winds tonight will veer to the northeast Thursday morning as a cold front moves southward through the area. Near record highs today will be tempered somewhat by a cold front moving through tomorrow. Cooler air will be slow to move in, but quick to move out.
316 AM CST Thu Feb 1 2018 Strong cold air advection continues to take hold this morning as Arctic air drops through the Northern Plains associated with broad upper-level trough pushing through the Upper Midwest.
420 AM EST Thu Feb 1 2018 A warm front will cross the region this morning.
245 AM CST Thu Feb 1 2018 Cold front was approaching the Illinois/Iowa border as of 2 am, with temperatures behind it quickly dropping into the teens.
Cold front extends from Lincoln to Lexington to Ogallala to Scottsbluff. Then this evening as winds become south increasing clouds as a warm frontal boundary pushes northeast across far western Nebraska.
Another Cold Front. Another dry cold front will move south across West Central Texas today.
302 AM CST Thu Feb 1 2018 The strong Arctic cold front has raced southeast of the area early this morning with gusty northwest winds and falling temps behind it. Skies will clear this evening as high pressure approaches from the west.
1126 PM CST Tue Nov 28 2017 At 1 PM, a cold front extended from the Straights of Mackinac to Kansas City Missouri. Temperatures ahead of this front were in the lower and mid-60s. On Wednesday night, a short wave trough will move quickly southeast through the region. By the time enough saturation occurs along and ahead of the cold front to produce precipitation, this front will be already exiting the area.
445 AM EST Wed Nov 29 2017 Cooler conditions will prevail today behind a dry cold front crossing the region this morning.
1247 AM EST Wed Nov 29 2017 Moisture starved cold front late tonight/Wednesday.
1229 AM EST Wed Nov 29 2017 High pressure will move off the New England coast overnight followed by a weak cold front on Wednesday.
Evening sounding shows a bone-dry atmosphere in place, with dew points in the 20's and 30's in spite of a warmer-than- normal air mass. VFR flight rules for this TAF cycle as high pressure dominates the forecast and the region.
Upper level trough continues to push east across WA/OR this evening with anticipated arrival into western MT around 06z tonight then continuing east across central and SW MT Wednesday morning.
1129 PM CST Tue Nov 28 2017 As of early this afternoon, a cold front was cutting through the forecast area - passing through the KC Metro just before 2pm. The back edge of these clouds have cleared far NW MO, including STJ, allowing for temperatures to warm even behind the cold front. The cold front will make slow progress southward during the remainder of the afternoon before becoming quasi-stationary just to the south of the forecast area this evening into the overnight hours. Low clouds will hold across the area on Wednesday, with cooler high temperatures in 50s.
1150 PM CST Tue Nov 28 2017 Temps have I believe hit the low point in NW MN with temps 10-15 degrees. Upper level trough over Ontario into northern MN will continue moving east tonight. Winds will switch to the south later tonight and gust out of the south/southwest for Wed with the approach of the next trough. Upper trough over the Pacific Northwest will move into the Northern Plains Wed night. A little cooler air will move into the region for Thu.
Clear sky night with high pressure over the cwa means good radiational cooling is in effect (at least in the valleys/low lying areas). May have to adjust temperatures down a few degrees in the typical cooler-than- surrounding-areas James River valley. Had to issue a Red Flag warning earlier this afternoon to account for the low humidity and strong winds across the eastern CWA. As has been the story for quite some time, sided with the higher end of guidance in regards to temperatures.
Forecast is well on track this evening under a continued high pressure regime. The latest surface map features retreating high pressure off of the Eastern Seaboard. A weak cold front extends from the Great Lakes down across the southern Plains, with another area of high pressure building in from the Rockies. Aloft, broad ridging is found in the East, with a pair of short wave troughs rotating through more the middle of the CONUS. Skies will remain clear initially tonight, before a weak cold front approaches from the northwest towards dawn, allowing for an increase in cloud cover. Expect the eastern sites to dip into the lower 30s, with mid to upper 30s in the broader valleys. Lows along the ridges will generally be in the mid 40s. The cold front will essentially dissolve as it drops down across our region on Wednesday.
Surface temperatures were in the low to mid 50s across the area. so continued very mild with a northeast wind circulating around the low to our southwest. As the low weakens and shifts eastward, the precipitation will become even more scattered. There will be a chance for some isolated lightning strikes closer to the low circulation, but no severe weather is expected. Cooler and drier air will begin to move southeastward into the area tonight with lows in the low 40s over our northwest CWA, but near 50 across the southeast.
1051 PM CST Tue Nov 28 2017 A cold front currently entering our northwestern areas will exit the southeastern areas around sunrise. Fog development is not anticipated west of I-35 due to a cold front set to move through the region.
Much cooler today as 925 mb temperatures drop by around 10-12C from the previous day where good mixing under southwesterly flow allowed temperatures to climb well into the 60s. Light winds will veer this afternoon into the evening from northerly to a more southeasterly direction as the high pressure drifts east of the state and the next trough nears the western Great Lakes late tonight.
A surface boundary will cross northeast Colorado and southwest Nebraska today as an upper level trough exits the Rockies and moves out into the Central United States. This boundary will then cross southwest Kansas early tonight allowing a cool dome of high pressure to build into western Kansas during the early morning hours.
By the start of this TAF package, the southward moving cold front will be exiting our forecast area. /issued 556 PM CST Tue Nov 28 2017/ /00Z TAFS/ A cold front is advancing quickly southeast across the Concho Valley this evening, with gusty north winds immediately following its passage. /issued 248 PM CST Tue Nov 28 2017/ (Tonight and Wednesday) Cold front, just north of Midland and Aspermont to Benjamin line at 2 PM, will move rapidly southeast through West Central Texas this evening. Cold front should be along a Sterling City. Lows will be mainly in the lower 40s, with some mid and upper 30s in portions of the western Big Country and Concho Valley. It will be cooler Wednesday.
1011 PM MST Tue Nov 28 2017 Afternoon GOES-R water vapor image loop showed split flow aloft with a mid/upper level low tracking east from northeast NM into western TX panhandle/far southwest KS.
331 AM CST Wed Nov 29 2017 As of 09Z Wednesday morning, a compact mid-level trough was traversing portions of the central and southern Plains. Northeast KS resides in the transition zone between CAA pushing southward and WAA wrapping northward around the mid- level trough. As the aforementioned mid-level trough ejects into the Ozarks region later this morning, precipitation should come to end across the CWA. As a result, more seasonable temperatures in the low 50s are expected this afternoon. Morning lows look to range from the lower 30s along the KS/NE border to the upper 30s in east-central KS.
With this being another favorable low level wind direction for optimized mixing, have favored warmer/drier/windier models for late morning and afternoon.
234 AM EST Wed Nov 29 2017 A cold front will bring a few rain showers to Northern NY this morning. High pressure will return this afternoon with clearing skies and cooler temperatures. The radar depiction along and ahead of the cold front shows very light precipitation, mainly confined to the Finger Lakes and northeastward. It will cool and chilly tonight as high pressure moves overhead.
400 AM CST Wed Nov 29 2017 While temperatures are above normal for late November, they are cooler than 24 hours ago as the cold front has moved into southern parts of Missouri and Illinois. It is also dry over the area as showers are closer to the upper low located over central Oklahoma. This upper low will open up today and move east into the Tennessee Valley by early this evening. There will be limited ascent with the upper trough during the day, so expect it to be dry. Chances for showers will increase tonight as low level moisture convergence increases ahead of a cold front that will move southeast across the area tonight. Highs today will still be above normal over the region even behind the cold front and with clouds to start the day.
326 AM CST Wed Nov 29 2017 Cold front will drop into the Ohio River Valley this morning, allowing a cooler airmass to settle into central Illinois. High temperatures will top out in the lower to middle 50s. A northern-stream wave will push a cold front into Illinois tonight, bringing clouds and perhaps a few light showers. to the lower 40s elsewhere.
355 AM EST Wed Nov 29 2017 High pressure, moving in behind a weak cold front that pushed through last night, will provide some late fall sunshine to offset the cooler temperatures.
246 AM CST Wed Nov 29 2017 244 AM CST Cooler and drier air continues to move in across the region post fropa, and with CAA remaining in place over much of the region. As deeper trough moves through the Great Lakes region tonight, lead energy will lift across the region.
427 AM EST Wed Nov 29 2017 High pressure traveling across the Great Lakes will provide dry weather today.
The system's cold front is moving into Wallowa county at the moment, and should exit into Idaho around 930 PM PST.
252 AM CST Wed Nov 29 2017 An upper level low pressure system currently located over Southeast Kansas and Northeast Oklahoma will move east today into the region as it weakens.
300 AM CST Wed Nov 29 2017 The next several days will be uneventful except for a few cold frontal passages. The first cold front will come after midnight tonight courtesy of an upper level trough moving across the Northern Plains into the Upper Midwest.
After 16z, conditions should gradually improve as daytime heating and increased boundary layer mixing gradually lifts the low stratus deck to 2 and 3kft by 17z.
216 AM EST Wed Nov 29 2017 A cold front will bring a few rain showers to Northern NY this morning. High pressure will return this afternoon with clearing skies and cooler temperatures. The radar depiction along and ahead of the cold front shows very light precipitation, mainly confined to the Finger Lakes and northeastward. It will cool and chilly tonight as high pressure moves overhead.
High pressure will slide across the area later tonight and Wednesday morning. A cold front has cleared southern Wisconsin with much drier air advancing southeast across the state. VFR conditions expected through tomorrow evening due to rather dry conditions that will accompany a ridge of high pressure. Wind speeds should remain on the lower side at 10kts or less. Forecast confidence is high: Clouds will exit this evening into tonight, giving way to mostly clear skies through Wednesday as high pressure moves in. Cooler temps are expected behind the departing cold front, but will still likely be a couple degrees above seasonal values.
Despite an upper level trough pattern prevailing, moisture will continue to be limited, inhibiting precipitation.
428 AM EST Wed Nov 29 2017 Current conditions across the region features high pressure in place over the southeastern CONUS keeping dry weather in place over much of the region. Currently a band of mid and upper level cloud cover will pass over the northern half of the state today associated with a weak cold front. Otherwise, despite the weak southerly breeze today, temps will be down a few degrees with the slightly cooler airmass moving through along with the minimal cloud cover passing through. This pattern will transition to the first measurable rainfall in over a week as the progressive upper level pattern continues to show a split flow with a wave tracking into the Great Lakes area by late tonight along with a weaker disturbance tracking through the lower MS Valley drawing some moisture north.
given a closed upper low spinning over the northern FL peninsula and another over the south-central Gulf of Mexico. despite the cooler temperatures aloft over the northern half of the peninsula today. The upper low drifts off to the east of Florida on Wednesday, but since it had basically no impact on our weather anyway. Many spots will reach the lower 80s for the afternoon.
Showers will taper off tonight and Wednesday will be mostly dry in the lowlands.
Downsloping will continue into the morning ahead of the system trough with ridge tops and favored downslope areas expected to see wind adv winds. Will cancel the high wind warning for the Black Hills as any potential high wind warning wind will be very isolated and confined to mainly ridge tops. The strongest winds are expected into the early afternoon there with winds likely dropping below adv levels as the trough passes through the area and winds veer NW. Thermal ridge will time over the eastern FA supporting highs in the upper 50s and lower 60s there, with the rest of the area likely to see highs this morning or early afternoon. Winds will quickly wane this evening with much cooler conds tonight.
Ridge of high pressure across the eastern states gradually shifts east today as a weak cold front moves into the Ohio Valley. A closed upper level low over Oklahoma early this morning will move into the Mississippi Valley late today and open up as it approaches the Tennessee Valley.
Isolated to scattered showers will continue through the day and into the evening Wednesday in response to an approaching upper level trough and cold front.
258 AM CST Wed Nov 29 2017 Wx map shows weak pressure gradient as the region lies between low pressure in the Plains and retreating high pressure over the Eastern U. An upper level disturbance over OK with the weak trough axis over E TX providing some lift to yield isolated to scattered streamer type showers over the TX/LA boarder and adjacent coastal waters this morning.
1148 PM CST Tue Nov 28 2017 Cold front has made steady progress across the forecast area this evening, and is currently approaching the I-70 corridor. A cold front is slowly edging southeastward toward the central IL forecast area with cloud cover along and ahead of the front spreading into central IL as far east as about Taylorville to Champaign, and temperatures are peaking out or cooling slightly as a result. Dewpoints have reached the lower 40s under the cloud band which will be probably just a bit low for sprinkles which have been in the forecast from around I-72 northward, so have trimmed back wording to slight chance sprinkles and also trimmed back coverage as well.
This feature will keep a NE wind and cooler temps along with added cloud coverage and possible precipitation south of I-70 early this morning. Winds will shift to the NW on the backside of this low as high pressure builds into the central plains.
1123 PM CST Tue Nov 28 2017 Surface cold front has pushed well south of the forecast area, but remnants may meander northward again, as compact upper system moves from northeast New Mexico into southeast Kansas overnight. As high pressure moves east on Wednesday, allowing winds to return to a more southerly direction. With H8 thermal trough remaining across western Iowa and eastern Nebraska, do not expect big bounce in temperatures and trended toward more conservative max temperatures in the upper 40s and lower 50s.
High pressure will continue to build into the area early this morning, with current northwest winds becoming light and somewhat variable around daybreak. Winds will become more easterly and then southeasterly by afternoon as the high moves east of the area. Highs today should be in the low to mid 40s, with abundant sunshine.
305 AM EST Wed Nov 29 2017 Scattered showers with a few thunderstorms have been favoring the Straits of Florida well south and southwest of the Lower Keys early this morning. A trough will remain weak but discernible while meandering in the west/central Gulf of Mexico over the next couple of days.
930 PM MST Tue Nov 28 2017 19z surface analysis had weak departing high pressure over the northern Plains with a developing lee trough/warm front from central MT into eastern WY. Water vapor showed split upper trough moving into the Great Lakes with next trough of interest coming onshore via BC/WA/OR. Tonight, upper trough races into the northern Rockies as warm front sharpens with 4-5mb/3hr pressure falls across the western Dakotas. Previous studies have shown this is a good setup for a downslope wind storm so have hoisted a high wind warning to account; just a wind advisory for Rapid City area with best wind on far west side of town into the higher hills. Wednesday, upper trough continues to race east pushing a cold front through the CWA.
Ridging layered across the southeastern CONUS was helping continue tranquil weather across the Tennessee Valley. It was somewhat warmer across the region compared to last night, and the past few nights. Area dewpoints were in the mid 30s to lower 40s, with dry bulb air temperatures ranging in the lower 40s to near 50. Greater amounts of moisture and warmer overall temperatures should (except in the coldest spots) limit overnight frosting - with lows in the upper 30s to mid 40s.
1125 PM CST Tue Nov 28 2017 A cold front will move across the area this afternoon and early this evening. However as the front moves south, it will stall a bit over northern Arkansas/western Kentucky/Tennessee as an upper level low pressure system moved into southeast Kansas/northeast Oklahoma Wednesday morning.
1128 PM EST Tue Nov 28 2017 A warm front will cross the region overnight. A cold front will approach late tonight then cross the region Wednesday.
216 AM EST Wed Nov 29 2017 Weak cold front passes today.
The surface counterpart of the low was centered southwest of Tulsa, and had a cold front south to near Durant. This system will move east and southeast today, as cooler air flows into Oklahoma and north Texas behind it.
A cold front will push east across the state through the day bringing chances for rain along with strong westerly winds.
1259 AM EST Wed Nov 29 2017 High pressure centered offshore will extend west over the area tonight into Wednesday.
A surface cold front will slide southeast through the Missouri Ozarks into this evening. Meanwhile, a closed upper level low will move east across northern Oklahoma this evening and reach the Tulsa area by about 12 UTC. While low and mid-level moisture quality is not great, there will be quite a bit of lift associated with this low pressure system. After the balmy temperatures of the last few days, cooler temperatures are on tap for Wednesday with highs expected to be in the upper 50s to perhaps lower 60s.
The fog was occurring ahead of a weak cold front that should work its way through the forecast area over the next several hours and off the coast during the late morning period.
The upper low over the southern plains will continue to track east toward the Mississippi Valley today as a northern stream trough moves from the Rockies into the northern plains.
301 AM EST Wed Nov 29 2017 High pressure will prevail across the area through tonight.
315 AM EST Wed Nov 29 2017 High pressure will weaken and drift east this morning.
Winds will then switch around to the northeast Wednesday evening at DHT and GUY as a cold front moves through.
1135 PM CST Tue Nov 28 2017 Mature cyclone over the Hudson Bay with cold front through the Great Lakes into an upper closed low over the Texas Panhandle. Some high clouds filtering in from the west through the day on Wednesday as the upper trough over the Pacific Northwest moves into the western plains of Canada and brings a cold front through the northern high plains late Wednesday afternoon through the evening. Strong southwesterly flow over the north through the day Highs on Wednesday still well above the low 40s average for highs with highs in the mid 50s.
Ridge of high pressure moving across the forecast area at 05z and should be east of the area by 12z this morning. Low pressure over southern Canada will increase surface pressure gradient as far east as northwest/north sections of our area today. Given the lack of rain recently we will probably push the higher end of guidance today. Northwest flow will increase overnight with slightly cooler air will filter back into Iowa by 12z. Lows tonight will fall quickly into the upper 20s north and in the lower 30s over the south.
242 AM EST Wed Nov 29 2017 Weak cold front passes today.
Some patchy dense fog possible over inland areas especially across inland SE GA as high pressure remains in control north of the region and moist SE flow overruns the cooler surface temps to create a mixture of stratus and fog over inland areas. High pressure weakens north of the region as well as NE flow so chances for any coastal showers are less today with Pcpn chances 10% or less so will leave out of the forecast for now. Conds remain status quo with high pressure N/NE of the region and expect mostly clear/partly cloudy skies again with good chances for overnight dense fog as SREF has 40-60% chances for dense fog towards morning. High pressure will settle across the area with mild weather conditions continuing.
419 AM EST Wed Nov 29 2017 Cooler conditions will prevail today behind a dry cold front crossing the region this morning.
This has helped raise temperatures into the low to mid 30s in Sheridan and Cherry county. An upper trough will move from Montana and Wyoming this morning, then across the Dakotas and Nebraska this afternoon. A prefrontal trough will move into western Nebraska as a cold front moves across the northwestern half of the forecast area this afternoon. Despite a weak cold front moving in this afternoon, temperatures will actually be warmest across the northwest. Increasing high clouds with the approach of the upper trough. Went very close to previous forecast lows from the lower 20s eastern panhandle into the southwest, to the upper 20s to near 30 across the northeast. High pressure will remain firmly in place through the weekend.
The high will quickly move east today and another cold front arrives in the CWA tomorrow though zonal flow will not be favorable for strong cold air advection, in fact temps are expected to continue to slowly climb tomorrow into the weekend despite this fropa.