Aikyam-Lab/Synoptic-Bench huggingface dataset:
A low amplitude ridge of high pressure will be developing over the region today and into the weekend. This ridge has allowed for the skies to clear over north central Idaho and northwest Montana. The westerly flow over the Northern Rockies this weekend will keep winds elevated in the higher terrain, especially across northwest Montana. The lingering cold airmass and subtle ridge will hinder the potential for these stronger winds to completely mix down to the valley bottoms.
644 AM EDT Fri Oct 18 2024 Dry high pressure persists through the forecast period.
625 AM CDT Fri Oct 18 2024 (Today through Saturday Night) In the near term, our weather will be governed by a massive area of high pressure to our east/northeast. Initially, the high will be centered over the Ohio Valley before drifting toward the Tennessee Valley this weekend. Under the high, our dry pattern will continue, and there will be a slow warming trend. Temperatures on Saturday will be a couple of degrees warmer than today.
The inside slider that ushered in the cooler air mass and stronger winds across Interior Central California yesterday will continue to track into the Colorado River delta by late this afternoon. This afternoon looks to be cooler than average with an 80 to near 100 percent probability of temperatures cooler than 77 degrees. Overnight as the wind continues to relax the low temperatures in the morning are expected to fall well into the 40s for the valley floor. The probability of going below 50 degrees ranges from 20 to 90 percent with urban areas being warmer. The impact issue is the low level inversion set up between Highway 99 and I-5 for the central valley.
618 AM CDT Fri Oct 18 2024 (Tonight through Saturday night) Key Messages: - High risk of rip currents through Saturday night - Minor coastal flooding expected through Saturday night Temperatures today and Saturday will be much like yesterday with afternoon temperatures in the low to mid 80s and overnight lows in the 60s.
606 AM CDT Fri Oct 18 2024 (Today through Saturday) Ridging will strengthen over the eastern CONUS today, while troughing deepens over the western CONUS. One embedded mid-level anticyclone will close off near eastern Lake Erie today, while a subtropical ridge builds across Florida and the eastern Gulf tomorrow. Will continue to go on the higher side of guidance for high temperatures and the cooler side for low temperatures given worsening drought conditions.
627 AM CDT Fri Oct 18 2024 - Warm today with a cold front moving in from the west bringing a chance for showers to the Northland today into Saturday.
626 AM CDT Fri Oct 18 2024 - Elevated to significant fire danger is expected today, especially along and west of the Highway 65 corridor.
A cold front will continue to push through the region today, resulting in gusty north winds and much cooler temperatures areawide and shower activity across our eastern zones.
626 AM EDT Fri Oct 18 2024 (Today and tonight) Northeast flow and ridging aloft will combine to kick off a gradual warming and moistening trend across the area today.
Issued 440 AM CDT Fri Oct 18 2024 Today through Saturday: High pressure will keep conditions clear and dry today. Winds will be southerly and breezy with gusts between 20 and 25 mph as a tight pressure gradient will linger over the region between an approaching cold front and the high pressure to our southeast. Highs will reach the upper 60s to near 70 as warmer 925mb to 850mb temperatures work their way in aloft in combination with full sunshine. Saturday, the ridge aloft will lean over east a bit, promoting just a bit more warming. Temperatures will be in the low 70s amid slightly lower winds and continuing clear skies.
541 AM MDT Fri Oct 18 2024 - Much cooler temperatures today and Saturday.
405 AM MDT Fri Oct 18 2024 - Much cooler temperatures Friday and Saturday.
1200 PM CDT Fri Oct 18 2024 (Today through Saturday) Ridging will strengthen over the eastern CONUS today, while troughing deepens over the western CONUS. One embedded mid-level anticyclone will close off near eastern Lake Erie today, while a subtropical ridge builds across Florida and the eastern Gulf tomorrow. Will continue to go on the higher side of guidance for high temperatures and the cooler side for low temperatures given worsening drought conditions.
(Tonight through Saturday night) The flow aloft over Texas this afternoon is from the southwest with a deep trough over the western US and a ridge over the east. Low level flow is from the southeast with high pressure to our northeast. An upper low will cutoff over the southwestern US and keep the southwesterly flow aloft in place. The low level flow will vary between southeasterly and easterly. Cloudiness and warm advection will lead to warmer low temperatures Saturday morning. Then decreasing clouds during the day will make highs a few degrees warmer than today.
Issued by National Weather Service Tallahassee FL 103 PM CDT Fri Oct 18 2024 (Today through Saturday Night) Warm weather slowly makes it's return to SE Texas as ridging remains in place over the East/Central CONUS.
Latest sounding data supplements this, with a subsidence inversion in the lower levels followed by a large region of dry air aloft. High temperatures will mostly be in the low 80s across South Florida with overnight lows ranging from the mid 70s for the east coast metro and low 70s near the lake.
Temperatures will generally top out in the low/mid 70s with bright sunshine, low humidity, and light northeast winds. Skies will remain clear tonight as temperatures drop in the low/mid 50s south of I-10 and upper 40s to low 50s north of I-10. A few locally colder spots between Albany and the Alabama-Georgia border could drop into the low/mid 40s. Expect another gorgeous day for your Saturday! The primary difference will be the slightly warmer temperatures thanks to a building mid/upper ridge.
Issued by National Weather Service Houston/Galveston TX 135 PM EDT Fri Oct 18 2024 (Today and tonight) Northeast flow and ridging aloft will combine to kick off a gradual warming and moistening trend across the area today.
Temperatures gradually begin a warming trend over the area with highs topping out in the lower to middle 70's today and middle to upper 70's for Saturday. Overnight lows remain chilly tonight in the interior with lows in the lower to middle 40's.
1246 PM CDT Fri Oct 18 2024 - Warm today with a cold front moving in from the west bringing a chance for showers to the Northland today into Saturday.
Better lift is currently over central New Mexico where convection has developed underneath the best lift ahead of the upper low that has currently moved into northwestern Arizona. The upper low is expected to only push as far east as central Arizona before becoming stationary through at least late tomorrow afternoon. The location of the upper low will greatly affect rain chances across the FA. Instability will slowly increase as the upper low inches further east but will still be favored mostly across eastern New Mexico given the center of the low will remain over Arizona.
Tonight our warming trend is expected to continue with lows several degrees warmer than this morning in the upper 30s to low 40s.
(This evening through Saturday Night) Dry conditions are expected to continue this short-term, as upper-level ridging will begin to shift east later tonight. Highs tomorrow will range in the mid-70s to low-80s, with overnight lows ranging in the low-40s to low-50s.
Early afternoon satellite imagery shows a H5 low now centered over Arizona with lingering cloud cover across ERN Idaho as a ridge of high pressure continues to build in from the west. As a result of the increasing influence of high pressure overhead, look for clear skies to continue to build in later this afternoon and evening west to east with clear skies and light winds expected tonight.
The large/strong surface to upper level ridge is still dominating the weather pattern across the southeastern U. This ridge is also keeping a cool dry airmass over the area but we will start to see things warm up a bit through the weekend.
The cold front currently positioned over northwest Minnesota will continue its trek southeast tonight. Scattered showers will move with the cold front tonight into Saturday before dissipating. Dry low levels will fight the rainfall at first, and there will likely be virga at first, but PWATs of around 1 inch being transported from the south will be enough that the lower levels increase in moisture and will allow for rain to fall. Despite the cold front moving through tonight and Saturday, temperatures above normal will be here to stay as flow aloft quickly returns to the southwest and the warm air mass returns from the west.
133 PM CDT Fri Oct 18 2024 - Elevated to significant fire danger is expected today, especially along and west of the Highway 65 corridor.
Guidance shows nearly zonal flow aloft for the next 7 days, with a low pressure system expected to swing to our southeast into the beginning of the week.
102 PM EDT Fri Oct 18 2024 With high pressure in control, tonight will be another clear and cold night with some frost and freeze conditions across the region.
The two main features of focus in regards to the Keys' sensible weather over the next day or so are a broad area of low pressure in the western Caribbean and the expansive high extending down the Eastern Seaboard. A tightened pressure gradient between the high and a broad area of low pressure will produce strong to near- gale winds overnight tonight through tomorrow morning. This area of low pressure is forecast to move inland tomorrow and weaken, so the gradient will slowly begin to weaken and winds will start to slacken somewhat starting Saturday night. This boundary will remain pinched between the aforementioned high pressure to the north and the low pressure to the south through tomorrow, keeping rain chances well above normal for the Keys.
(The rest of this afternoon ) Mild / breezy conditions this afternoon with high temperatures climbing into the lower to mid 70s in most areas.
Freezing temperatures persist this morning in the Western Magic Valley and eastern parts of the Upper Treasure Valley. Temperatures are expected to rise above freezing within the next few hours, though they will remain 5-8 degrees below normal today (around the mid 50s in the valley) due to lingering cold air following yesterdayâs trough passage. On Saturday morning, light winds are expected to lead to widespread freezing temperatures across the Treasure Valley, with ensemble guidance showing a more than 70% chance of freezing temperatures. As a result, a Freezing Warning has been issued.
127 PM EDT Fri Oct 18 2024 Dry conditions with cooler than average temperatures continue into the weekend as high pressure remains over the region. An upper ridge building over the eastern CONUS brings gradually moderating temperatures through much of the week ahead with no rainfall forecast for the next 7 days. A front could approach the area towards the end of the week, bringing the potential for some cooler temps back to the region. Strong high pressure surface and aloft centered in the Ohio Valley extending south across the Carolinas into Georgia. With air mass modification expect lows tonight to be a little warmer than last night.
1218 PM CDT Fri Oct 18 2024 Broad high pressure over the eastern US is maintaining the dry and cool but pleasant weather across the area.
UPDATE The cold front continues to push through northwestern Minnesota, with rain on its tail. As of early this morning, a cold front along the Red River Valley was tracking to the east.
1237 PM CDT Fri Oct 18 2024 (Tonight through Saturday night) Key Messages: - High risk of rip currents through Saturday night - Minor coastal flooding expected through Saturday night Temperatures today and Saturday will be much like yesterday with afternoon temperatures in the low to mid 80s and overnight lows in the 60s.
1149 AM EDT Fri Oct 18 2024 Dry high pressure persists through the forecast period.
Overnight lows remain chilly tonight in the interior with lows in the lower to middle 40's.
145 PM CDT Fri Oct 18 2024 Another cool afternoon and evening is on tap across the Lower Mississippi Valley as a high pressure hovers over the Appalachians/Mid-Atlantic Region this afternoon. Temperatures remain on track for highs in the lower to middle 70s across the region.
Sheppard Issued 440 AM CDT Fri Oct 18 2024 Today through Saturday: High pressure will keep conditions clear and dry today. Winds will be southerly and breezy with gusts between 20 and 25 mph as a tight pressure gradient will linger over the region between an approaching cold front and the high pressure to our southeast. Highs will reach the upper 60s to near 70 as warmer 925mb to 850mb temperatures work their way in aloft in combination with full sunshine. Saturday, the ridge aloft will lean over east a bit, promoting just a bit more warming. Temperatures will be in the low 70s amid slightly lower winds and continuing clear skies.
Currently the deep trough and low pressure system has moved into Arizona as forecasted.
1234 PM PDT Fri Oct 18 2024 * Near to sub-freezing temperatures are expected again tonight into early Saturday. * Gusty northeast winds along Sierra ridges continue through tonight before tapering off Saturday morning. Isolated locations such as Hawthorne stayed a few degrees above freezing, but tonight/early Saturday will bring another round of near to sub-freezing temperatures. The peak ridge top gust for Mono County was 82 mph at ~11,000 feet west of Mammoth Lakes. The main leftover effect from yesterday's upper low now over Arizona will be continued gusty NE-E winds over the Sierra ridges through early Saturday morning. Although this low is expected to persist near the Four Corners region through the weekend, ridging will build into the Sierra with high elevation winds decreasing after Saturday morning.
Today is expected to be 5 to 10 degrees warmer than yesterday for the inland valleys and coastal mountain slopes with a few degrees of warming for the coast. The desert mountain slopes and deserts are expected to be 5 to 10 degrees cooler than yesterday.
131 PM MDT Fri Oct 18 2024 - There is a low risk for a severe storm or two through early this evening along a cold front in northeast Colorado and adjacent counties in northwest Kansas and southwest Nebraska.
(This evening through Saturday Night) The warming trend continues through the weekend as a broad area of high pressure across the eastern third of the country keeps easterly to southeasterly flow over the region. Temperatures will add a couple of degrees Saturday as highs climb back into the lower 80s.
(Tonight) Upper level ridging was firmly in place over the eastern CONUS, with an unseasonably deep upper low across Arizona, resulting in a troughing west/ridging east pattern. This setup, along with an area of high pressure at the surface over the western Appalachians was producing dry conditions for this region. Despite the longer nights (good for cooler temperatures), lows by daybreak Saturday should cool into the low/mid 40s.
An inside slider event is well underway as an upper-level trough digs into the Great Basin. Fire weather concerns will only increase throughout this event due to the compounding effects of the antecedent conditions and a backdoor cold front ushering in much drier air through the day today. Winds will veer to become northeasterly/offshore through the morning as the upper-level trough digs south and becomes a cutoff low in the Desert Southwest. Highest terrain, ridgetops, gaps, and passes will be favored with isolated gusts up to 65 mph.
Will apply the lower NBM 10 percentile dewpoints for the afternoon.
1233 PM CDT Fri Oct 18 2024 - Elevated to significant fire danger is expected today, especially along and west of the Highway 65 corridor.
This boundary will continue to jog east tomorrow, pulling in slightly cooler air behind it and limiting highs in the low-mid 60s (with the aid of cloud cover) for north- central MN.
Above the surface, the high pressure center will remain entrenched over the region, even as the upper high gets knocked down in favor of a more zonal flow at this level. With temperatures during the day rising into the upper 60s, nighttime lows are expected to be about 5 degrees warmer than this morning, maybe as much as 8 degrees over west central Ohio. Overnight lows will be only slightly warmer than tonight, generally in the lower 40s with yet another clear sky forecast.
(This evening through Saturday) Key Messages: Fall weather continues Discussion: Clear skies and seasonal temperatures continue today and tonight as we sit under high pressure near the surface and riding in the mid levels of the atmosphere. With the sunnier skies and strengthening pressure we're seeing temperatures climbing around 5-10 degrees warmer than yesterday, and just a couple of degrees off seasonal normals.
1217 PM CDT Fri Oct 18 2024 (Rest of Today) High pressure continues to dominate the Southeast today. The increase in heights and plenty of sunshine will help afternoon temps reach the lower 70s.
The higher gusts will remain mostly concentrated along the coast. An area of high pressure will remain situated across the eastern U.
Latest WV imagery and UA analysis shows a deep upper low over the SW US, with an amplified ridge over the eastern states.
The main area of concern for the short term will be with the marine hazards, as coastal flooding and the high risk of rip currents is expected to continue through Saturday night.
The area of high pressure remains in place across the eastern U. Overnight lows tonight will fall into the mid 60s to low 70s, with afternoon highs on Saturday generally in the low 80s.
1119 AM CDT Fri Oct 18 2024 Broad high pressure over the eastern US is maintaining the dry and cool but pleasant weather across the area.
Above the surface, the high pressure center will remain entrenched over the region, even as the upper high gets knocked down in favor of a more zonal flow at this level. A large mid level ridge will build over the the area today. A large area of high pressure will remain centered just east of the area over night into Saturday.
A larger upper low moves in behind the aforementioned disturbance and brings a more favorable environment for strong and severe storms.
237 PM EDT Fri Oct 18 2024 Dry high pressure persists through the forecast period. Another very pleasant Fall day is in store Sat with the airmass modifying a little warmer as highs reach the l70s east of the mtns and mid to upper 60s across the mtn valleys.
1221 PM CDT Fri Oct 18 2024 (Today through Saturday Night) In the near term, our weather will be governed by a massive area of high pressure to our east/northeast. Initially, the high will be centered over the Ohio Valley before drifting toward the Tennessee Valley this weekend. Under the high, our dry pattern will continue, and there will be a slow warming trend. Temperatures on Saturday will be a couple of degrees warmer than today.
With an upper trough exiting the area, upper ridging will bring a relatively warm and dry period today and Saturday.
(00Z TAFs) Primarily VFR conditions are forecast with high pressure to the N over the NE CONUS. The area of high pressure remains in place across the eastern U. Overnight lows tonight will fall into the mid 60s to low 70s, with afternoon highs on Saturday generally in the low 80s.
615 PM CDT Fri Oct 18 2024 (This evening through Saturday Night) Dry conditions are expected to continue this short-term, as upper-level ridging will begin to shift east later tonight. Highs tomorrow will range in the mid-70s to low-80s, with overnight lows ranging in the low-40s to low-50s.
831 PM EDT Fri Oct 18 2024 Dry high pressure persists through the forecast period. Another very pleasant Fall day is in store Sat with the airmass modifying a little warmer as highs reach the l70s east of the mtns and mid to upper 60s across the mtn valleys.
629 PM CDT Fri Oct 18 2024 Latest WV imagery and UA analysis shows a deep upper low over the SW US, with an amplified ridge over the eastern states.
Temperatures are tumbling through the 50s and into the 40s at mid-evening under clear skies and light winds, courtesy an ~1034 mb high pressure centered near Buffalo, NY. Still anticipate widespread lows ranging from the mid 30s in sheltered valleys to mid 40s on thermal belt ridgetops. High pressure remains dominant over eastern CONUS, this afternoon and Saturday, leading to sunny skies and clear nights. Lows will generally range in the low to mid 30s in valleys, and mid 40s on ridges. Highs will remain in the lower 70s Saturday, with patchy frost and fog developing again Saturday night. Lows will generally be in the mid to upper 30s in valleys, and 40s along ridges.
842 PM CDT Fri Oct 18 2024 Forecast remains on track with overnight lows expected to be warmer than last night, in the 40s. Tonight our warming trend is expected to continue with lows several degrees warmer than this morning in the upper 30s to low 40s.
(The rest of tonight) The overall pattern has not changed much over the past 24-hrs with eastern Oklahoma and northwest Arkansas between a ridge of high pressure over the eastern CONUS and a trof developing into a closed low over the Desert Southwest. continued southeasterly flow had allowed for dewpoints to be running on average 0-5 deg warmer. and temperatures running 3-8 deg warmer than this time yesterday. temperatures again look to be close to/slightly warmer than this mornings lows with mid 30s to upper 40s forecast.
Coastal Flood Advisory has been extended Saturday evening An upper level trough moving from the four corners region into the plains brings easterly flow and an increase in moisture to Deep South Texas and the Rio Grande Valley. Temperatures will be in the mid to upper 80s for the highs. Low temperatures will get down to the upper 60s for the upper Valley and the 70s along the coast and the lower Valley.
542 PM CDT Fri Oct 18 2024 - Elevated to significant fire danger is expected today, especially along and west of the Highway 65 corridor.
623 PM CDT Fri Oct 18 2024 (This evening through Saturday Night) The warming trend continues through the weekend as a broad area of high pressure across the eastern third of the country keeps easterly to southeasterly flow over the region. Temperatures will add a couple of degrees Saturday as highs climb back into the lower 80s.
Ridgetop temperatures are dropping slower, ranging from the upper 40s to mid 50s. Temperatures are tumbling through the 50s and into the 40s at mid-evening under clear skies and light winds, courtesy an ~1034 mb high pressure centered near Buffalo, NY. Still anticipate widespread lows ranging from the mid 30s in sheltered valleys to mid 40s on thermal belt ridgetops. High pressure remains dominant over eastern CONUS, this afternoon and Saturday, leading to sunny skies and clear nights. Lows will generally range in the low to mid 30s in valleys, and mid 40s on ridges. Highs will remain in the lower 70s Saturday, with patchy frost and fog developing again Saturday night. Lows will generally be in the mid to upper 30s in valleys, and 40s along ridges.
Areas of showers continue to dry southwest to northeast within moist SW flow as the leading edge of a mid level trough and entrance region of a upper jet slowly move to the east-northeast early this evening. Guidance shows nearly zonal flow aloft for the next 7 days, with a low pressure system expected to swing to our southeast into the beginning of the week.
839 PM EDT Fri Oct 18 2024 Dry conditions with cooler than average temperatures continue into the weekend as high pressure remains over the region. An upper ridge building over the eastern CONUS brings gradually moderating temperatures through much of the week ahead with no rainfall forecast for the next 7 days. A front could approach the area towards the end of the week, bringing the potential for some cooler temps back to the region. With air mass modification expect lows tonight to be a little warmer than last night.