Alert archive / Pennsylvania / Special Weather Statements in 2019
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Aug 8, 2019, 2:21 PM EDT for Clearfield County, Pennsylvania. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2019, 2:21 PM EDT (18:21 UTC)
- Expired
- Aug 8, 2019, 3:00 PM EDT
- In force
- 39 min
- Issued by
- NWS State College, PA
County Clearfield County, PA
The radar
The State College radar (KCCX), 59 km from the middle of the area, began a volume at 18:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.4 hours before the alert went out and 157 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1381 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before this special weather statement went out at Aug 8, 7:49 AM EDT, 6 hours 32 minutes earlier.
Area forecast discussion, Aug 8, 7:49 AM EDT, 6 hours 32 minutes before
Area Forecast Discussion National Weather Service State College PA 749 AM EDT Thu Aug 8 2019 .SYNOPSIS... A cold front will cross the state today producing strong to severe thunderstorms with locally heavy rain. Cooler and drier air is expected Friday into the weekend under high pressure. && .NEAR TERM /THROUGH TONIGHT/... *Scattered strong to severe thunderstorms capable of damaging winds, isolated hail and locally heavy rainfall are possible this afternoon and evening Low level convergence along a southeastward-moving cold front should trigger storms by early afternoon persisting into the early evening. Multicell storms are most likely with damaging winds the primary threat. Central PA west of the Interstate 81 corridor is included in SPC Day 1 Slight risk area with MRGL risk extending eastward through the Susquehanna Valley. Locally heavy rainfall will also be a concern over more sensitive (lower FFG) areas in the western mountains that have been worked over the past couple of days. This area is in a MRGL risk for excessive rainfall. Expect storms to fade into Thursday night with a few isolated showers possibly lingering over the northwest Alleghenies into early Friday morning. && .SHORT TERM /FRIDAY/... Drier and slightly cooler air will move into the region starting Friday behind today's cold frontal passage. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... *Refreshing end of the week with cooler, less humid air lasting into the weekend Drier air will remain for much of the weekend. High pressure will yield dry conditions with warm afternoons and cool nights. The pattern should trend more unsettled into next week with fast flow over the northern tier states offering low predictability with timing of shortwave disturbances and associated frontal systems. Low confidence in a cold fropa Mon-Tue and frontal wave toward the middle of next week. Temperatures should bounce from relatively cooler than average (nights) and trend modestly higher into the start of next week. && .AVIATION /12Z THURSDAY THROUGH MONDAY/... A wide range of conditions will occur across the region this morning with fairly widespread IFR to low-end MVFR Cigs and similar coverage of IFR to MVFR vsbys across the Allegheny Plateau and portions of the Central Mtns, Middle Susq Valley and Western Poconos. Scattered storms will develop late this morning across the far NW zones, and during the afternoon near and to the east of the RT 219 corridor, ahead of a cold front. Some of the storms could be on the strong to severe side with localized strong to even damaging downburst winds. The band of showers and storms is expected to work northwest to southeast during the aft. Some activity could linger into the early evening across the far east, but it should be trending toward a notably weaker state. Areas of mainly MVFR bkn-ovc stratocu and a few lingering showers will be found in the wake of the cfront tonight, mainly across the higher terrain of the north and west. Improving conditions move in for Friday and last through much of the weekend, with a drier northwest flow of air across the area. However, a large air to water temp difference (in excess of 20F) throughout the Central and Northern Mtn Valley regions will likely result in rather widespread valley fog from the predawn hours through mid morning ours Friday through Sunday morning. .Outlook... Fri-Mon...No sig wx. && .CTP WATCHES/WARNINGS/ADVISORIES... None. && SYNOPSIS...RXR NEAR TERM...Gartner/RXR SHORT TERM...Gartner/Steinbugl LONG TERM...Steinbugl AVIATION...Lambert
Hazardous weather outlook, Aug 8, 12:53 PM EDT, 1 hour 28 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service State College PA 1253 PM EDT Thu Aug 8 2019 PAZ059-064>066-091700- Lebanon-Adams-York-Lancaster- 1253 PM EDT Thu Aug 8 2019 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Thunderstorms with strong gusty winds and hail are possible this afternoon and evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ028-035-036-056>058-063-091700- Juniata-Fulton-Franklin-Perry-Dauphin-Schuylkill-Cumberland- 1253 PM EDT Thu Aug 8 2019 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Strong to severe thunderstorms with damaging winds and hail are possible this afternoon and evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ004>006-010>012-017>019-024>027-033-034-037-041-042-045-046- 049>053-091700- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Somerset-Bedford-Tioga-Northern Lycoming-Sullivan-Southern Clinton- Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia- 1253 PM EDT Thu Aug 8 2019 ...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Severe Thunderstorm Watch. Locally heavy rain over sensitive soils and higher terrain may result in isolated flash flooding this afternoon and evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. MS
In the hours before
Special weather statement, Aug 8, 1:29 PM EDT, 52 minutes before
Special Weather Statement
National Weather Service State College PA
129 PM EDT Thu Aug 8 2019
PAZ017-081800-
Clearfield PA-
129 PM EDT Thu Aug 8 2019
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF CLEARFIELD COUNTY UNTIL
200 PM EDT...
At 129 PM EDT, Doppler radar indicated a strong thunderstorm 8 miles
south of Punxsutawney, moving east at 35 mph.
Wind gusts around 40 mph are possible.
Locations impacted include...
Irvona, Coalport, Westover, Mahaffey, Burnside, Glen Hope, Lumber
City and New Washington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4081 7880 4092 7881 4096 7847 4073 7846
4072 7878 4073 7881
TIME...MOT...LOC 1729Z 267DEG 32KT 4082 7894
BanghoffSpecial weather statement, Aug 8, 1:44 PM EDT, 37 minutes before
Special Weather Statement
National Weather Service State College PA
144 PM EDT Thu Aug 8 2019
PAZ004>006-010-081815-
McKean PA-Warren PA-Potter PA-Elk PA-
144 PM EDT Thu Aug 8 2019
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF ELK...WARREN...
MCKEAN...AND POTTER COUNTIES UNTIL 215 PM EDT...
At 143 PM EDT, Doppler radar indicated a strong thunderstorm near
Westline, moving east at 30 mph.
Wind gusts 40 to 50 mph and pea size hail are possible.
Locations impacted include...
Kane, Coudersport, Port Allegany, Sheffield, Smethport, Wetmore,
Roulette, Betula, James City, Rew, Coryville, Crosby, Cyclone,
Ludlow, Marshburg, Westline, Kinzua Bridge State Park, Chapman State
Park, Mount Jewett and Eldred.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4180 7781 4155 7895 4162 7896 4163 7942
4171 7945 4197 7841
TIME...MOT...LOC 1743Z 273DEG 28KT 4178 7870
BanghoffSpecial weather statement, Aug 8, 2:01 PM EDT, 20 minutes before
Special Weather Statement
National Weather Service State College PA
201 PM EDT Thu Aug 8 2019
PAZ006-037-081830-
Potter PA-Tioga PA-
201 PM EDT Thu Aug 8 2019
...STRONG THUNDERSTORMS WILL AFFECT PARTS OF POTTER AND TIOGA
COUNTIES UNTIL 230 PM EDT...
At 200 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from near Elkland to near Coudersport. Movement was
east at 50 mph.
Wind gusts 40 to 50 mph and pea size hail are possible.
Locations impacted include...
Mansfield, Wellsboro, Elkland, Galeton, Westfield, Gaines,
Keeneyville, Harrison Valley, Denton Hill State Park, Tioga,
Knoxville, Ulysses, Roseville, Oswayo, Osceola, Tioga Junction, Ski
Denton Ski Area and Mansfield University.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4194 7692 4182 7690 4168 7760 4185 7821
4190 7821 4200 7754 4200 7742
TIME...MOT...LOC 1800Z 278DEG 42KT 4195 7738 4186 7803
BanghoffSpecial weather statement, Aug 8, 2:15 PM EDT, 6 minutes before
Special Weather Statement National Weather Service State College PA 215 PM EDT Thu Aug 8 2019 PAZ005-006-081830- McKean PA-Potter PA- 215 PM EDT Thu Aug 8 2019 ...A STRONG THUNDERSTORM WILL AFFECT PARTS OF MCKEAN AND POTTER COUNTIES UNTIL 230 PM EDT... At 215 PM EDT, Doppler radar indicated a strong thunderstorm over Port Allegany, moving east at 40 mph. Wind gusts 40 to 50 mph and pea size hail are possible. Locations impacted include... Coudersport, Port Allegany, Smethport, Roulette, Betula, Keating Summit, Crosby, Lyman Run State Park and Sweden Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4172 7861 4188 7832 4171 7769 4163 7821 TIME...MOT...LOC 1815Z 272DEG 35KT 4181 7833 Banghoff
Special weather statement, Aug 8, 2:18 PM EDT, 3 minutes before
Special Weather Statement
National Weather Service State College PA
218 PM EDT Thu Aug 8 2019
PAZ024-081900-
Cambria PA-
218 PM EDT Thu Aug 8 2019
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF CAMBRIA COUNTY UNTIL
300 PM EDT...
At 218 PM EDT, Doppler radar indicated a strong thunderstorm over
Belsano, moving east at 35 mph.
Wind gusts of up to 50 mph are possible.
Locations impacted include...
Ebensburg, Nanty-Glo, Cresson, Gallitzin, Loretto, Lilly, Sankertown,
Belsano, Mundys Corner, Colver, Vintondale, Tunnelhill, Ashville,
Chest Springs, Saint Francis University and Mt. Aloysius College.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4057 7888 4064 7844 4060 7844 4056 7847
4054 7848 4053 7851 4051 7854 4047 7854
4045 7856 4043 7855 4042 7856 4044 7894
TIME...MOT...LOC 1818Z 266DEG 31KT 4050 7887
RXRSpecial weather statement, Aug 8, 2:21 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:29 PM EDT | Special Weather Statement | CTP | Centre | 31 min |
| Aug 7, 8:54 PM EDT | Special Weather Statement | CTP | Union | 36 min |
| Aug 7, 8:58 PM EDT | Special Weather Statement | CTP | Union | 32 min |
| Aug 7, 9:15 PM EDT | Special Weather Statement | CTP | Union | 15 min |
| Aug 7, 9:41 PM EDT | Special Weather Statement | CTP | Northumberland | 34 min |
| Aug 7, 9:44 PM EDT | Special Weather Statement | CTP | Columbia | 16 min |
| Aug 8, 1:43 AM EDT | Special Weather Statement | CTP | Lebanon | 47 min |
| Aug 8, 12:29 PM EDT | Special Weather Statement | CTP | Warren | 46 min |
| Aug 8, 12:36 PM EDT | Special Weather Statement | CTP | McKean | 24 min |
| Aug 8, 1:08 PM EDT | Special Weather Statement | CTP | McKean, Warren | 37 min |
| Aug 8, 1:14 PM EDT | Special Weather Statement | CTP | Potter | 46 min |
| Aug 8, 1:29 PM EDT | Special Weather Statement | CTP | Clearfield | 31 min |
| Aug 8, 1:44 PM EDT | Special Weather Statement | CTP | McKean | 31 min |
| Aug 8, 2:01 PM EDT | Special Weather Statement | CTP | Tioga | 29 min |
| Aug 8, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 43 min |
| Aug 8, 2:15 PM EDT | Special Weather Statement | CTP | Potter | 15 min |
| Aug 8, 2:18 PM EDT | Special Weather Statement | CTP | Cambria | 42 min |
| Aug 8, 2:28 PM EDT | Special Weather Statement | CTP | Potter, Tioga | 47 min |
| Aug 8, 2:34 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 41 min |
| Aug 8, 3:11 PM EDT | Special Weather Statement | CTP | Tioga | 49 min |
| Aug 8, 3:14 PM EDT | Special Weather Statement | CTP | Union | 31 min |
| Aug 8, 5:42 PM EDT | Special Weather Statement | CTP | Snyder | 48 min |
| Aug 8, 5:54 PM EDT | Special Weather Statement | CTP | Somerset | 51 min |
| Aug 8, 6:34 PM EDT | Special Weather Statement | CTP | Somerset | 41 min |
| Aug 8, 7:14 PM EDT | Special Weather Statement | CTP | Somerset | 46 min |
Nearby
Special Weather Statements in Pennsylvania, 2019Every special weather statement in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.