Aikyam-Lab/Synoptic-Bench huggingface dataset:
618 PM CDT Mon May 1 2017 Upper level low pressure continues to pivot to the northeast into the southern Great Lakes this afternoon. Winds have also remained brisk out of the west behind this departing low pressure system.
756 PM CDT Mon May 1 2017 A cold front had moved to south of a KPRX-KJWY-KSEP-KABI line as of 00z.
1151 PM CDT Mon May 1 2017 H5 analysis from earlier this morning had a closed low over eastern Iowa with a trough of low pressure extending south into northern portions of the Gulf of Mexico. High pressures and ridging were noted over the eastern Pacific and Western Atlantic. Temperatures in the vicinity of this snow cover have struggled to reach the lower 50s this afternoon. West of the band, readings were in the lower to middle 60s. Highs will generally be in the lower 60s across the area.
Southerly flow in the low-levels will continue overnight under mostly clear skies.
1039 PM EDT Mon May 1 2017 A cold front approaching from the eastern Great Lakes will bring a brief period of moderate to heavy rainfall this evening into the overnight hours, along with isolated thunderstorms.
959 PM EDT Mon May 1 2017 A strong cold front will pass through the region tonight. High pressure will bring cooler and drier weather during the middle of the week. Low pressure will move into the area late in the week. Cold front will cross the area overnight, with still some showers and an isolated thunderstorm possible. Low pressure will build over southern Canada Tuesday and this will carve out an upper-level trough over our area. Gusty west to southwest winds are expected around the low over our area. it will turn out cooler and noticeably drier.
An east to southeast wind ahead of a developing trough, will result in modest moisture return during the day Tuesday.
This area has had some slightly cooler temperatures for this afternoon and the winds are not as strong in and near the snow pack.
1015 PM EDT Mon May 1 2017 Marine Cool and unsettled weather with showers will continue through Tuesday as an upper level low pressure system will move across the northern great lakes region. Showers will taper off Tuesday evening as a high pressure ridge builds in.
1047 PM EDT Mon May 1 2017 A cold front has moved east of the area and will move offshore around midnight. Cool high pressure will build in behind the front tonight through midweek.
Observed temperatures are trending slightly warmer than model forecast suggest, but with dry air aloft, and clearing skies temperatures are expected to drop to forecast minimums by Tuesday morning.
943 PM CDT Mon May 1 2017 A weak cold front had moved to south of a Tyler to Waco to Hamilton line as of 9 PM. 58 /ISSUED 756 PM CDT Mon May 1 2017/ A cold front had moved to south of a KPRX-KJWY-KSEP-KABI line as of 00z.
Morning lows tomorrow will be around 10 degrees warmer than this morning's lows with mid 50s expected across all of the area. Highs Tomorrow will also be warmer with afternoon temperatures warming into the upper 80s to around 90 under mostly sunny skies. ahead of an upper trough that will move southeast through the Central Plains.
1029 PM EDT Mon May 1 2017 Mean layered ridging has fractured across the Florida Keys. Weak flow will be bolstered a bit through mid week as ridging regains dominance across Florida.
Chattanooga Airport, TN 50 77 53 83 / 0 0 0 10 Knoxville McGhee Tyson Airport, TN 50 73 52 77 / 0 0 0 10 Oak Ridge, TN 49 73 51 78 / 0 0 0 20 Tri Cities Airport, TN 47 70 47 74 / 0 0 0 10.
Forecast highlights in the short term period will be gusty westerly winds over the next 12-14 hours along with cooler daytime highs. Currently, upper level trough extends from the southern Rockies northward over the Northern High Plains region with south- southwest flow aloft over the Dakotas. Cold front over central ND ahead of the trough continues to move eastward. For today, winds remain breezy across the local region, especially the higher terrain of the southwest where BUFKIT analysis continues to suggest 35-40KT winds within the mixed layer. Much cooler today behind this morning's front with highs mainly in the 50s.
Chattanooga Airport, TN 79 55 76 65 / 0 0 0 30 Knoxville McGhee Tyson Airport, TN 77 52 77 60 / 0 0 0 10 Oak Ridge, TN 78 51 77 61 / 0 0 0 20 Tri Cities Airport, TN 78 46 76 56 / 0 0 0 10.
A cold front will move through the region overnight into Sunday morning. A mid and upper level trough over the Four Corners region moves across the Rockies today to the High Plains this evening. A streamer shower band may set up along the Highway 77 corridor and have slight chance POPs there today. The mid and upper level trough moves out across the Central/Southern Plains tonight and Sunday. As the trough moves further out into the Plains, a cold front surges across our area late tonight into Sunday morning.
511 AM MDT Sat Oct 21 2017 Upper trough is crossing the central to northern Rockies into the High Plains. Surface analysis shows the cold front now crossing south central SD approaching KICR. Upper trough will quickly push through the area today with the line of showers transitioning eastward into central SD by mid to late morning. Warmer temperatures will move back into the area with highs reaching into the 60s to mid 70s. Upper ridging over the region will weaken as a series of upper waves push into the northern Rockies and Plains. A cold front will cross the CWA Sunday night with a few showers possible. Strong ridging will then develop over the western half of the CONUS through the first half of the work week bringing another stretch of dry weather.
1018 AM EDT Sat Oct 21 2017 No big changes to the forecast this morning as high pressure remains the main weather feature. Only very light rainfall totals and highs in the low to mid 80s are expected.
1002 AM CDT Sat Oct 21 2017 Sfc cold front has made it through western and central ND. Forecast highlights in the short term period will be gusty westerly winds over the next 12-14 hours along with cooler daytime highs. Currently, upper level trough extends from the southern Rockies northward over the Northern High Plains region with south- southwest flow aloft over the Dakotas. Cold front over central ND ahead of the trough continues to move eastward. For today, winds remain breezy across the local region, especially the higher terrain of the southwest where BUFKIT analysis continues to suggest 35-40KT winds within the mixed layer. Much cooler today behind this morning's front with highs mainly in the 50s.
Temps currently in the low to mid 60s and should warm mostly into the upper 70s during this afternoon as more sunshine appears. Tight pressure gradient over IL due to 1029 mb high pressure over the mid Atlantic states, and 990 mb low pressure over central Manitoba with a cold front extending southward through the far eastern Dakotas into eastern Nebraska and central KS. A tightening pressure gradient between a high anchored along the East Coast and a cold front in the Plains will produce strong S/SW winds across central Illinois today. The Plains cold front will slowly push eastward tonight, triggering showers and thunderstorms overnight.
A strong cold front this evening will push through the region shifting breezy winds to the north. /issued 435 AM CDT Sat Oct 21 2017/ Few overall significant changes were made as a sharp upper level trough was digging on schedule through the Rockies, with a portion of energy heading into the southern plains by later today. Otherwise, looking for the continental cold front to sweep southward also on-schedule late afternoon into northern zones and early evening southern - with only modest surface pressure rises. A clear and crisp Sunday morning will follow but Sunday overall still looks stellar - with trends slightly warmer than previous.
1252 PM EDT Sat Oct 21 2017 Mild conditions will continue this weekend with highs in the mid to upper 70s today and the low to mid 70s on Sunday. Clouds will gradually be on the increase, with showers possible into northwest Indiana and southwest Lower Michigan later tonight into Sunday as a cold front nears.
Cooler temperatures will prevail today and Sunday as a weak trough has brought somewhat fall-like weather to the area. This will be short lived however as a strong ridge will allow temps to return to the mid and upper 90s by the middle of the week. Until then, expect sunny skies today with highs in the lower 80s in the deserts and in the 70s east of Tucson.
628 AM CDT Sat Oct 21 2017 GOES-16 channels 8, 9 and 10 continue to indicate a robust mid/upper trough moving into the Rockies early this morning while KGLD WSR-88D shows a cold front beginning to impact northwest Kansas. This mid/upper trough is progged to emerge over the Central Plains states late in the day and into the overnight hours. As it does, the cold front will become the focus for deep moist convection. storms are expected to be east of the area by 12Z Sun with a cooler and drier airmass in their wake.
Expect a northerly wind shift behind a cold front through the overnight hours. During the early and mid afternoon, strong thunderstorms are expected to form quickly ahead of a cold front that will be over northwest Oklahoma. Toward 00Z, the assembly of strong/severe thunderstorms will begin to form into a solid line of storms, on or slightly behind the advancing cold front (at 00Z, the storms should extend approximately from KPNC/KEND to KSPS and vicinity. Of much more significance is the cold front that is forecast to move through Oklahoma and north Texas this afternoon and into the night.
910 AM EDT Sat Oct 21 2017 High pressure centered over Pennsylvania will continue to influence the weather across the Upper Ohio Valley through Sunday.
Cool and stable conditions will be in place today, followed by significantly warmer temperatures Sunday.
Records are generally in the lower 90s, so not expecting to break any today.
537 AM MDT Sat Oct 21 2017 Currently, very windy conditions continue along the I-25 corridor as a stout cold front has tracked across the region. Lee troughing develops rapidly after 03z tonight and low level gradients tighten dramatically. Went ahead an upgraded the high wind watches to warnings as this seems pretty clear cut for the wind prone areas such as Arlington, Bordeaux, and the South Laramie Range. The question is how far east will the high winds extend? GFS soundings for Cheyenne between 12 and 18Z Sunday are pretty impressive with 50+ kt flow just off the surface. It will be mostly sunny with much cooler temperatures today with highs ranging from the low 40s west to around 60 over the Panhandle. Elevated winds Sunday night before a backdoor cold front moves into the area from the northeast.
The upper trough is swinging through the local area this morning, and should be in North Dakota by afternoon. Templer Previous discussion - Upper trof over Montana with cold front into the Dakotas. Temperatures will be around 20 degrees cooler than yesterday limiting the fire weather concerns. Slight ridge develops tonight as the upper trof exits the state. Winds will be diminishing as clearing skies allow for airmass to decouple and the ridging weakens the winds aloft. Some indication that ridge tops across the remainder of Phillips county, along with Valley and Garfield counties, could see gusts to 55 or 60 mph, so watch may need to be expanded. Clipper system dives toward the Great Lakes early in the week, with upper trof digging over the northern Plains.
Water vapor imagery and regional RAOBs indicate a well-defined upper trough axis across central NM complete with 4-5 degrees of mid-level cooling. A strong cold front this evening will push through the region shifting breezy winds to the north. /issued 435 AM CDT Sat Oct 21 2017/ Few overall significant changes were made as a sharp upper level trough was digging on schedule through the Rockies, with a portion of energy heading into the southern plains by later today. Otherwise, looking for the continental cold front to sweep southward also on-schedule late afternoon into northern zones and early evening southern - with only modest surface pressure rises. A clear and crisp Sunday morning will follow but Sunday overall still looks stellar - with trends slightly warmer than previous.
643 AM CDT Sat Oct 21 2017 An area of low pressure was located over south central Canada at 07Z. A cold front extended south from the low through the central Dakotas, while a quasi-stationary front was north of the Minnesota/Canada border. A stiff southerly flow of air/moisture was working its way into the area ahead of the low on a strong low level jet. The cold front begins to move into the western third of the forecast area by 00Z, and reaches the far eastern edge of the region by 12Z Sunday. The front pushes out of the region Sunday morning accompanied by a sharp upper level trof. Some rain will linger from the Arrowhead into the Hayward Lakes area and points east in the morning due to their proximity to the departing front and the upper trof.
A low pressure system centered in southwest MB will steadily shift eastward through the day with surface trof and closely following surface cold front dragging across eastern North Dakota this forenoon and northwest MN through the afternoon. Gusty south winds will slow just a bit as the trof axis passes any area but then sharply turn and increase from the west.
The cold front stretched across west central KS into the OK panhandle late this morning. one along the advancing cold front across KS/northern OK and another in the vicinity of the triple point in southwest OK/northwest TX.
736 AM EDT Sat Oct 21 2017 A large area of high pressure centered over Pennsylvania and eastern Virginia this morning will drift slowly to the east over the next few days, providing us with a spectacular Autumn weekend to enjoy the fall foliage that will be near its peak color. A high-amplitude and cold upper trough will become carved out across the eastern U.
923 AM EDT Sat Oct 21 2017 A large area of high pressure centered over Pennsylvania and eastern Virginia this morning will drift slowly to the east over the next few days, providing us with a spectacular Autumn weekend to enjoy the fall foliage that will be near its peak color. A high-amplitude and cold upper trough will become carved out across the eastern U.
1105 AM EDT Sat Oct 21 2017 Strong high pressure will shift offshore this weekend.
Otherwise, the forecast remains on track, with gusty winds continuing along the coast, over the higher terrain, and across the East Side. Freezing levels will also rise through the day from west to east, but showers are likely to continue through the evening. A warm front has moved north of the area, and gale force south winds are now occurring over portions of the waters. A cold front will move onshore Sunday.
The cold front is currently moving through central KS/CO and should be to the OK Panhandle by 13-15z and then to Amarillo by 18-19z. The cold front will move quickly through the area today and be south of the fcst area by around 00Z this evening. Rather dry air will invade the OK and TX Panhandles behind this cold front. The combination of clear skies, dry air, and light winds late tonight into early Sunday morning will result in temperatures falling into the lower to middle 30s across much of the OK Panhandle and western half of the TX Panhandle.
954 AM EDT Sat Oct 21 2017 High pressure centered along the Atlantic Coast will keep dry weather over the Ohio Valley today and Sunday.
900 AM EDT Sat Oct 21 2017 High pressure over the mid-Atlantic will produce another breezy day with easterly (onshore) flow. Just enough moisture exists in the low-levels for isolated light rain showers over the Atlantic to push toward the coast.
728 AM EDT Sat Oct 21 2017 Strong high pressure will shift offshore this weekend.
1245 PM EDT Sat Oct 21 2017 High pressure centered over Pennsylvania will continue to influence the weather across the Upper Ohio Valley through Sunday.
During the early and mid afternoon, strong thunderstorms are expected to form quickly ahead of a cold front that will be over northwest Oklahoma. Toward 00Z, the assembly of strong/severe thunderstorms will begin to form into a solid line of storms, on or slightly behind the advancing cold front (at 00Z, the storms should extend approximately from KPNC/KEND to KSPS and vicinity. Of much more significance is the cold front that is forecast to move through Oklahoma and north Texas this afternoon and into the night.
947 AM MDT Sat Oct 21 2017 Morning update has been published, with only major change being to upgrade the High Wind Watch to a High Wind Warning for all of the remaining counties across North Central Montana. In addition to upgrading, I also added Jefferson and Broadwater Counties to the High Wind Warning, as northern portions of the counties and elevations above 6,000ft will likely see wind gusts to 60 mph. Early indications this morning suggest that winds along the Rocky Mountain Front (especially at ridge tops) may gust upwards of 90 mph, but for now held off mentioning this in the current hazard for the Rocky Mountain Front zones as it already contains 85 mph wording. - Moldan Clouds thin today as high pressure moves over the region.
Chattanooga Airport, TN 37 63 49 67 / 0 0 0 70 Knoxville McGhee Tyson Airport, TN 36 62 47 67 / 0 0 0 60 Oak Ridge, TN 34 61 48 66 / 0 0 0 70 Tri Cities Airport, TN 30 59 40 65 / 0 0 0 40.
High pressure will be over the Ohio Valley tonight keeping things dry and seasonable with lows Friday morning from the mid 30s to around 50 degrees. By Friday night, a cold front will start to move toward the region from the northwest.
There will not be much in the way of mid level support for ascent considering some weak mid level ridging, but the isentropic component of the warm air advection regime should be adequate to get some very light precipitation during the overnight hours, into early Friday. The saturated layer with this event will be rather thin, likely encompassing only the lowest 5000-8000 feet.
Winds will gradually increase during the day, with gusty winds in the late morning/afternoon as mixing increases with the low ceilings disappearing. An upper level ridge will expand back into South Texas on Friday. Highs will generally range from the lower 80s over the Victoria Crossroads to mid/upper 80s in the Brush Country and Rio Grande Plains.
930 PM EST Thu Nov 16 2017 A high pressure system will build in tonight providing gradual clearing. The high remains on Friday.
The models have been putting out very light QPF, although some of the high resolution models put out a band of 0. Clouds will keep sfc temps from falling off too much, but reading will remain well below freezing. Clouds will keep highs fairly close to the lows so continued with upper 20s northwest to near 40 in the south.
With dropping freezing levels, the chance of small hail in heavy showers will continue over the north, particularly along the Redwood Coast and occasionally affecting Highway 101. Temperatures will be cooler overnight, with low temperatures reaching the mid to upper 30s in areas that have yet to see a killing freeze. Snow totals of 6 to 8 inches are possible in the highest elevations of SE Del Norte County with 4 to 6 inches possible in higher elevations of extreme NE Humboldt and N Trinity counties.
The cold front associated with this system does not advect cooler air into extreme northwestern Colorado until Friday afternoon, across the I-70 corridor until the evening hours, and southward into the San Juans until late Friday as well. As the cold front progresses northwest to southeast through eastern Utah and western Colorado, the snow level will drop, but very dry air will also entrain into the region.
940 PM EST Thu Nov 16 2017 Behind a cold front that will cross NC early tonight, high pressure will build into NC from the northwest through Friday, before moving offshore Friday night.
628 PM CST Thu Nov 16 2017 The synoptic pattern early this afternoon features a trough sliding off the northeast CONUS, with yet another trough moving into the Northwest.
1049 PM EST Thu Nov 16 2017 Weak cold front well offshore. High pressure builds back into the area tonight, despite a secondary cold front dropping south into the region.
Light showers are spread across the region this evening, with the highest concentration from near Ontario south and east into the western Magic Valley. A cold front will move through from northwest to southeast overnight, entering eastern Oregon before midnight and exiting the western Magic Valley by noon tomorrow. On Friday conditions improving from the west, with showers ending in eastern Oregon and the Snake River Valley after 18z, but snow showers continuing over the higher terrain.
642 PM EST Thu Nov 16 2017 High pressure will build across the state through Friday.
1041 PM EST Thu Nov 16 2017 Weak cold front now east of the area will continue moving off shore this evening. High pressure builds back into the area tonight.
Cold front will slide through Friday afternoon, but precipitation will lag until Friday night with the upper trough. Upper ridge will rebuild over the weekend.
High pressure will move slowly eastward overnight and will settle across the WV area by 12z. Otherwise VFR conditions will prevail due to sfc/upper level ridging influences thru 17/24Z. Per sfc ridging influences expected to continue shifting eastward, sfc winds will veer from the North to the South thru 17/24Z.
543 PM CST Thu Nov 16 2017 Surface gradient over the central plains region will continue to tighten into tonight as high pressure moves off toward the Ohio Valley and a cold front approaches from the northern plains. Southerly winds will bring increasing moisture and warmer temperatures into the area tonight into Friday in advance of the cold front. Some light rain or drizzle may reach parts of southeast Nebraska and southwest Iowa by daybreak on Friday then shift east of the area by early afternoon as the cold front moves into the southeast portion of the forecast area. A better chance of rain or a rain snow mix is expected Friday night as the area comes under stronger forcing aloft associated with a jet max moving across Kansas and ahead of an upper trough over the northern plains.
Tonight and Friday The latest RAP analysis and satellite/radar imagery show high pressure moving across Wisconsin early this afternoon. The high pressure system will exit to the east over the central Great Lakes. As this occurs, winds will shift to the southeast, which should continue to cause the low stratus to lift north over northern WI through the early evening hours. There may be a brief few hour window when surface temps are at or just below freezing with liquid precip falling, which could result in hazardous roadways.
600 PM CST Thu Nov 16 2017 The main weather concerns through Friday afternoon concern strong southerly winds this evening and an approaching cold front tomorrow. This evening, breezy south winds continue as the sfc pressure gradient tightens across the state with the high slowly moving east. H85 flow is rather strong at 30-40 kts ahead of the low/mid level trough approaching the panhandle. Temperature-wise, kept tonight's lows fairly mild in the upper 30s to lower 40s, which is on the high end or slightly above guidance. In addition to the breezy south winds, an H85 thermal ridge crosses the area preceding the trough. The NAM showed the the strongest midlevel frontogenesis and produced the highest rain totals.
752 PM CST Thu Nov 16 2017 Thin cirrus clouds are moving southeast across the Ohio Valley with some patchy StratoCu over the lower Delta region into central AR. Winds will increase further Friday evening as the low-level jet cranks up in the warm sector of the approaching upper-level trough.
656 PM EST Thu Nov 16 2017 High pressure builds back into the area through Friday.
An approaching cold front will produce strong southwesterly winds on Friday.
1032 PM EST Thu Nov 16 2017 High pressure will build across the state through Friday.