Aikyam-Lab/Synoptic-Bench huggingface dataset:
Hill City had been reporting dense freezing fog with 1/4 mile or less visibility much of the night until recently undergoing rapid improvement towards 8 SM. Elsewhere in the CWA, experiencing mostly clear conditions with subsidence on the eastern periphery of the ridge. Overnight lows are forecast in the low to middle 20s.
The cold front still currently back across MS will move into the area overnight with some leading showers and a storm or two, then push south through the area through the day Sunday.
- Warmer temperatures and melting snow could result in POSSIBLE ice jam-induced flooding along the Platte/Loup River systems over the coming week, although uncertainty is high as this warm-up will be fairly gradual. This warmer and more sun-filled weather should persist for much of the work week as high pressure aloft builds up across the center of the country for several days, forming a blocking pattern that will keep any significant chances for weather away from the local area. Late in the period, models do hint at a west coast storm emerging from the southwest under the main ridge, potential bringing a chance for rain to the local area next Saturday. Expect westerly winds to increase a bit towards daybreak, which should help erode this low stratus and fog through the morning hours.
- Warmer temperatures and melting snow could result in POSSIBLE ice jam-induced flooding along the Platte/Loup River systems over the coming week, although uncertainty is high as this warm-up will be fairly gradual. This warmer and more sun-filled weather should persist for much of the work week as high pressure aloft builds up across the center of the country for several days, forming a blocking pattern that will keep any significant chances for weather away from the local area. Late in the period, models do hint at a west coast storm emerging from the southwest under the main ridge, potential bringing a chance for rain to the local area next Saturday.
459 AM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
605 AM EST Sat Jan 27 2024 - Some patchy drizzle/freezing drizzle and fog early this morning. Areas of fog and drizzle/freezing drizzle linger thru early High Impact Weather Potential. Areas of fog and patchy freezing drizzle early this morning will result in areas of lowered vsbys and may cause some slick spots on roads and sidewalks. Temps across our entire CWA are still just above freezing. lending to the possibility of some spotty freezing drizzle before all precip chances finally comes to a close by around mid morning. PATTERN SYNOPSIS/FORECAST: Midlevel longwave troughing with mild temperatures continue to occupy the majority of the central CONUS this weekend.
- Quiet and much warmer than normal temperatures will continue into early February. Cyclonic flow east of the ridge axis should keep the stratus from clearing. Eventually as the system continues northeastward, the ridge axis will shift east and should finally take the remaining stratus with it.
506 AM CST Sat Jan 27 2024 (Today and tonight) The cold front has moved through the area, leaving breezy northwest winds for this morning and afternoon. Northwest winds aloft will follow the upper level trough, bringing much drier air and clear skies for the short term. Cold air advection will keep temperatures a few degrees cooler this afternoon, despite the clearer skies and an increase in solar insolation. As we go into the evening and overnight period, high pressure will build in at the surface. This high pressure and the decrease in the pressure gradient will cause the winds to weaken. The weak winds combined with clear skies will allow for radiational cooling overnight, putting temperatures right around freezing by Sunday morning.
(Saturday through Sunday) Latest water vapor imagery indicates dry slotting ahead of an upper trough over the Red River between Oklahoma and Texas has almost moved into the entire forecast area. Some light rain wrapping around the upper trough will continue to affect locations north of Interstate 20 through midday until upper low moves northeast into the Ozarks. After starting the day in the mid 40s in the northwest to mid 50s in the southeast, daytime highs will only warm into the lower 50s in the northwest to the lower 60s in the southeast. With continued northwesterly surface winds and cold air advection, a chilly night is expected with sub-freezing temperatures likely along and north of Interstate 30. CN (Sunday Night through Saturday) Northwesterly flow aloft and surface ridging should keep dry weather in place to start the work week.
523 AM CST Sat Jan 27 2024 (Today and tonight) The upper level trough that brought the rain and thunderstorms to the area will continue moving east across the southern CONUS leaving us with dry weather and clearing skies today. Winds are expected to remain out of the N-NW today but plentiful sunshine and increasing upper air heights will result in warmer temperatures with highs in the mid-to-upper 50s which is right around average for the end of January.
630 AM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
with 09z/3am obs showing the lowest visibilities of 1/4 mile or less focused along/north of I-74. As low pressure currently over the lower Mississippi River Valley slowly deepens and tracks northeastward, an increasing northerly wind will help mix the atmosphere sufficiently to disperse some of the fog as the day progresses:however, it appears the fog will never fully dissipate. The low will track into the Ohio River Valley tonight, resulting in a continuation of light rain across the eastern KILX CWA through dawn Sunday. Storm total rainfall will be light across much of the area, with the highest amounts focused across the E/SE counties.
711 AM EST Sat Jan 27 2024 -Periods of fog/low clouds will persist this morning as moist dewpoints remain over snowpack in the low levels.
Upper ridging along the Pacific Coast. At the surface, low pressure over western Louisiana early this morning. Temperatures ahead of the front were generally in the lower and middle 60s. Even if we get rid of the low level clouds, there may be enough moisture around 700 mb to keep us from seeing much sunshine until perhaps Sunday afternoon.
Slightly cooler along the coast in the low 80s. SSE/S flow today will veer slightly to S/SSW tonight with the approach of a strong cold front. SSE flow veers SSW into the late afternoon as a cold front approaches western Florida. VCSH and MVFR CIGs build across northern terminals before sunrise ahead of a cold front passage.
Temperatures are cooling close to freezing, and there could be some slick spots on the roads this morning due to wet surfaces freezing overnight. Northwest flow will take place for the remainder of the short term and with a ridge of high pressure building to the west warmer temperatures will be in store.
(Today through Sunday) A mid level trough/low over east Texas early this morning will continue to swing farther eastward through the day. The associated cold front has moved well south of Deep South Texas this morning. Temperatures will continue to fall into the low to mid 50s across in the Ranchlands to the low 60s across the Rio Grande Valley through sunrise. Highs will be near normal, ranging from the mid 60s at the beaches to the lower 70s inland.
While high pressure will control the overall pattern over the next couple of days, a weak disturbance will manage to bring very light precipitation predominately across the northern extent of our CWA during the weekend timeframe. Showery precipitation will lessen throughout the day Sunday as high pressure strengthens and allows high temperatures to warm by several more degrees as compared to previous days.
534 AM CST Sat Jan 27 2024 (Today through Sunday) A cold front has pushed through South Central Texas with the surface front located offshore early this morning.
An upper ridge is building over the region, although a small shot of moisture is entering this weekend.
Temperatures across the state were hovering in the lower 40s to near 50 degrees. Looking at the synoptic scale, a H500 trough, and associated closed- low, was positioned over Cntrl OK. This feature was slowly translating Ewrd between two areas of upper ridging. The upper level ridges were positioned along the W and E coasts, respectively. Going through the day today, the H500 trough will move across the state. Closer to the surface, at H925, low pressure will track across Nrn LA through the ArkLaMiss region and into MS, with resultant Nrly flow in place across much of Arkansas. With Nrly winds in place, high temperatures are only expected to range from the mid 40s to mid 50s after starting the day near freezing to around 40 degrees.
448 AM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
201 AM MST Sat Jan 27 2024 - Dense fog/freezing fog continues across far eastern parts of the area this morning. Hill City had been reporting dense freezing fog with 1/4 mile or less visibility much of the night until recently undergoing rapid improvement towards 8 SM. Elsewhere in the CWA, experiencing mostly clear conditions with subsidence on the eastern periphery of the ridge. Overnight lows are forecast in the low to middle 20s.
Following this feature will be the actual strong cold frontal boundary with mainly scattered showers and less chance for t'storm activity that will press into inland SE GA and Suwannee Valley after midnight and push towards the Atlantic Coast late tonight with some slow down in movement with frontal passage not moving off the NE FL coastal areas until after sunrise Sunday morning.
/Issued 1154 PM CST Fri Jan 26 2024/ /Through Sunday/ The upper low responsible for widespread showers and isolated storms over the last ~18 hours is beginning to pivot ENE along the Red River as of midnight. Ascent near the core of this low in combination with cold mid-level temperatures is contributing to persistent showery precipitation across much of North Texas, accompanied by infrequent isolated lightning strikes. In its wake, cloudy conditions will prevail for the vast majority of the daytime before a steady eastward erosion of the low cloud deck occurs by late afternoon and evening. Wind speeds of 10-20 mph with occasional higher gusts will yield wind chills several degrees cooler than ambient temperatures.
A prolonged period of high pressure with valley inversions will develop through the middle of the upcoming week.
(Today through Sunday Night) A period of drier/cooler and quieter weather for SE TX will be start- ing today for the upcoming forecast period with the passage of a cold front and building ridge aloft just west of the region. With the last of the showers/storms well E/NE of the area, wrap-around clouds along with the cold front will be making its way into (and through) the CWA this morning.
1007 AM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
1109 AM CST Sat Jan 27 2024 (Today through Sunday) A mid level trough/low over east Texas early this morning will continue to swing farther eastward through the day. The associated cold front has moved well south of Deep South Texas this morning. Temperatures will continue to fall into the low to mid 50s across in the Ranchlands to the low 60s across the Rio Grande Valley through sunrise. Highs will be near normal, ranging from the mid 60s at the beaches to the lower 70s inland.
(Tonight through Sunday night) Key Messages: - Small Craft Advisory remains in effect through Sunday morning Water vapor imagery this afternoon reveals a trough lifting across the Southeast US as a ridge nudges our way from the west. At the surface, high pressure is settling into the region and will hang around through the weekend. As a result, we will see some cooler temps the next couple of mornings with lows dropping into the mid 30s across the Victoria Crossroads and Coastal Plains to the mid 40s along the coast and across the Brush Country. Freezing temps don't appear likely this weekend with less than a 10% chance of seeing temps below 32F.
However, a ridge of high pressure over our area is working to keep most of the precipitation to the west. The best precipitation chances are in the Sawtooth region where the position of the ridge is not as strong.
1223 PM EST Sat Jan 27 2024 -Periods of fog/low clouds will persist this morning as moist dewpoints remain over snowpack in the low levels.
(This evening through Sunday night) Cold front has already cleared most of the area and will continue to progress eastward over the next several hours. Cool and dry high pressure will build into the area tonight resulting in near to slightly below normal temperatures through the weekend. With the upper low still located over the middle Mississippi Valley, wrap around moisture will continue to result in generally cloudy conditions through tonight. As the low lifts northeastward Sunday, clouds will gradually dissipate across the area by Sunday evening.
1240 PM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
Expect showers to slowly taper off this afternoon and evening as a low pressure system lifts northeast. As this low departs, expect winds to increase for a few hours this afternoon with gusts up to 30 mph possible in portions of west Tennessee.
Scattered to numerous showers and storms will push into the north this evening and move south through the area overnight and into Sunday ahead of and along the front, with conditions clearing behind the front as cooler and drier air move in on increasing NW flow. High pressure then builds into the area behind the front bringing cooler and drier air.
/NEW/ /This afternoon through Sunday night/ Dry, very cool, and subsident air will continue to filter into the region this afternoon and tonight behind a departing low pressure system and associated cold front. A breezy north wind will make it feel even cooler. Lows tonight will reach freezing across much of North Texas except for urban areas while our Central Texas zones will fall into the middle 30s. Highs will range from the mid 50s in the east to the lower 60s across the central and west. Lows Sunday night will still be cold but generally above freezing with middle and upper 30s.
113 PM EST Sat Jan 27 2024 -Fog may redevelop tonight, but should be mainly focused over the higher terrain of the interior west and east.
150 PM CST Sat Jan 27 2024 We will continue to see a drying trend in the wake of a surface cold front amid deep NW flow.
As this low moves through the region tonight, we get clipped by the better large-scale ascent and deeper moisture. Depending on how cloud cover evolves on Sunday/Sunday night, we may see temperatures finally drop back down below freezing for most of the area Sunday night.
(Tonight) A cold front is just nosing into northwest Alabama as a weak band of convection has formed just along this boundary. A tornado threat remains very low and is strongly tied to the uncertainties with how much destabilization occurs -- along with what the low- level wind profile resembles.
- There is a 40-60 percent chance of dense fog, perhaps freezing fog overnight into Sunday morning, mainly areas along and west of US Highway 65. A large upper level ridge could be seen developing across the western US and this will be moving in this week. A look at high res ensembles shows about a 40-60 percent chance of dense fog tonight, with the highest chances along and west of Highway 65. Therefore we will need to closely monitor for freezing fog to develop which could pose slick spots and bridges and overpasses. Sunday: Fog will slowly erode during the morning as ridging develops aloft. Areas east of Springfield will likely hold onto the clouds a little longer, holding temps back to the lower 40s.
1110 AM CST Sat Jan 27 2024 (Today through Sunday) A cold front has pushed through South Central Texas with the surface front located offshore early this morning.
1221 PM CST Sat Jan 27 2024 (Today through Sunday Night) A period of drier/cooler and quieter weather for SE TX will be start- ing today for the upcoming forecast period with the passage of a cold front and building ridge aloft just west of the region. With the last of the showers/storms well E/NE of the area, wrap-around clouds along with the cold front will be making its way into (and through) the CWA this morning.
1110 AM EST Sat Jan 27 2024 A weak ridge of high pressure will slide east across the region tonight into early Saturday.
The cold front draped to the southwest into the western Gulf of Mexico has a line of thunderstorms spreading east into the central Gulf. The next cold front will push through the Florida Keys coastal waters late Sunday and Sunday night, with freshened northwest to north breezes expected in its wake.
The other concern later this afternoon will be the very conditional possibility of stronger convection redeveloping along the cold front as it shifts into the area after 18z.
The Florida Keys are on the western periphery of the low level ridge.
(This afternoon through Sunday night) WV imagery shows the upper trough moving through the MS Valley this afternoon, and an upper ridge moving into the Intermountain West, leaving West Texas and Southeast New Mexico under dry, northwest flow aloft. Sunday night, with continued return flow and a few high clouds moving in from the west, lows will be a couple of degrees warmer than tonight.
1139 AM CST Sat Jan 27 2024 - Rain chances increase through the morning and early afternoon, with the highest chances (60-80%) and amounts (0. - There is a 40-60 percent chance of dense fog, perhaps freezing fog overnight into Sunday morning, mainly areas along and west of US Highway 65. HREF Probability- Matched Mean (PMM) highlights the highest rainfall amounts along and south of the Highway 60 corridor, ranging from a quarter to a half inch. Overnight lows fall into the lower 30s with overcast skies and breezy northwest winds. Sunday: Heading into Sunday, the upper level trough shifts east of the region.
(Rest of today through Sunday) Mostly dry and warm conditions continue across South Fl today with high pressure in the western Atlantic resulting in a S/SE flow across the area. A cold front associated with this system will drag across South FL during the afternoon and push off the SE coast during the evening.
There have been moments of stronger wind gusts in vicinity of the low but those seem to be isolated. Winds shift to the west and filter cooler and drier air into the region tonight and early Sunday.
225 PM CST Sat Jan 27 2024 - Freezing drizzle and fog look to reform/stay overnight, especially in Minnesota.
236 PM EST Sat Jan 27 2024 Low pressure will lift northeast from the Tennessee Valley to the upper Ohio Valley tonight. The low will then transition to a coastal low on Sunday.
75", with the higher-end of that range confined to areas south of I-70. with 09z/3am obs showing the lowest visibilities of 1/4 mile or less focused along/north of I-74. As low pressure currently over the lower Mississippi River Valley slowly deepens and tracks northeastward, an increasing northerly wind will help mix the atmosphere sufficiently to disperse some of the fog as the day progresses:however, it appears the fog will never fully dissipate. The low will track into the Ohio River Valley tonight, resulting in a continuation of light rain across the eastern KILX CWA through dawn Sunday. Storm total rainfall will be light across much of the area, with the highest amounts focused across the E/SE counties.
1108 AM CST Sat Jan 27 2024 (Today and tonight) The upper level trough that brought the rain and thunderstorms to the area will continue moving east across the southern CONUS leaving us with dry weather and clearing skies today. Winds are expected to remain out of the N-NW today but plentiful sunshine and increasing upper air heights will result in warmer temperatures with highs in the mid-to-upper 50s which is right around average for the end of January.
(Through Tonight) Precipitation is coming to an end across the forecast area this afternoon as the upper low shifts eastward, placing the region under increasingly north-northwest flow. As a result, could see areas of freezing fog develop as well. With positive height anomalies expanding into the region, drier and warmer conditions are favored for much of the coming week.
(This evening through Sunday Night) Upper trough ovhd currently will continue to quickly eject out to the north and east tonight. Still dealing with some patchy light drizzle across the eastern half of our region and while this will be pulling out as well with the upper trough, will hang on to this mention in the forecast for this evening only. We should be able to lose the low cloud cover during the day Sunday with the sun returning across most areas but our far eastern zones may not lose cloud cover until after sunset on Sunday. Sfc ridging will move directly ovhd Sunday Night and with mostly clear skies, that should result in slightly colder temperatures Sunday Night.
219 PM EST Sat Jan 27 2024 - Watching potential for some patchy freezing drizzle tonight.
High pressure will build back through Deep South Texas through the short term period as a 500 mb trough continues to move northeast into the Mid-Atlantic.
948 AM CST Sat Jan 27 2024 Cold front has pushed off to the east of the forecast area ending any significant shower activity.
Tonight and Sunday: Subsidence on the backside of an extra-tropical cyclone moving through the Ozark Plateau region has eroded the low clouds across much of eastern NE as of early afternoon.
(Tonight through Sunday night) Breezy northwest winds behind a cold front continue this afternoon but speeds should begin to diminish shortly before sunset.
1133 AM CST Sat Jan 27 2024 Cold front has pushed off to the east of the forecast area ending any significant shower activity.
1115 AM CST Sat Jan 27 2024 (Today and tonight) The cold front has moved through the area, leaving breezy northwest winds for this morning and afternoon. Northwest winds aloft will follow the upper level trough, bringing much drier air and clear skies for the short term. Cold air advection will keep temperatures a few degrees cooler this afternoon, despite the clearer skies and an increase in solar insolation. As we go into the evening and overnight period, high pressure will build in at the surface. This high pressure and the decrease in the pressure gradient will cause the winds to weaken. The weak winds combined with clear skies will allow for radiational cooling overnight, putting temperatures right around freezing by Sunday morning.
(This evening through Sunday) Gusty northwest winds continue behind the cold front that swept south through the area overnight. With clear skies, light winds and drier air in place behind the cold front, temperatures will drop into the 30s area- wide, with a few readings to freezing or colder possibly Sunday morning, especially in our valley areas. (Sunday night through next Saturday) Looks like quiet and mild weather for early to mid week as an upper level high pressure ridge will build over the Southern Plains.
(This evening through Sunday) The broad upper level trough that brought ample rain has moved off to the southeastern US bringing clear conditions. Tomorrow, light westerly winds and clear skies are forecasted due to the slight upper level ridging moving into our FA. Above-average temperatures will return with increasing upper air heights ahead of a seasonably stubborn upper level high while low temperatures will remain around average with effective radiative cooling.
254 PM EST Sat Jan 27 2024 -Fog may redevelop tonight, but should be mainly focused over the higher terrain of the interior west and east.