Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 266, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 18, 2019, 6:01 PM EDT for Perry County, Pennsylvania. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2019, 6:01 PM EDT (22:01 UTC)
- Expired
- Aug 18, 2019, 6:45 PM EDT
- In force
- 44 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Perry County, PA
The radar
The State College radar (KCCX), 86 km from the middle of the area, began a volume at 22:02 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 161 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
- 751 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1254 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 18, 3:32 PM EDT, 2 hours 29 minutes earlier.
Area forecast discussion, Aug 18, 3:32 PM EDT, 2 hours 29 minutes before
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</html>Hazardous weather outlook, Aug 18, 5:20 AM EDT, 12 hours 41 minutes before
Hazardous Weather Outlook National Weather Service State College PA 520 AM EDT Sun Aug 18 2019 PAZ019-024>028-045-046-049>053-190930- Southern Centre-Cambria-Blair-Huntingdon-Mifflin-Juniata- Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia- 520 AM EDT Sun Aug 18 2019 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Scattered to numerous late day showers and thunderstorms will occur today. A few of the storms will become strong to severe thunderstorms with gusty winds, locally heavy rain and frequent lightning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Heat indices around 100 degrees likely both Monday and Tuesday afternoon. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ033>036-056>059-063>066-190930- Somerset-Bedford-Fulton-Franklin-Perry-Dauphin-Schuylkill-Lebanon- Cumberland-Adams-York-Lancaster- 520 AM EDT Sun Aug 18 2019 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Scattered late afternoon and early evening showers and thunderstorms will occur today. A few of the storms will become strong to severe thunderstorms with gusty winds, locally heavy rain and frequent lightning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Heat indices around 100 degrees likely both Monday and Tuesday afternoon. Additional strong to locally severe thunderstorms, containing heavy rain and gusty winds, will occur each afternoon Monday through Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ004>006-010>012-017-018-037-041-042-190930- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Tioga-Northern Lycoming-Sullivan- 520 AM EDT Sun Aug 18 2019 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Scattered to numerous late afternoon and early evening showers and thunderstorms will occur today. A few of the storms will become strong to severe thunderstorms with gusty winds, locally heavy rain and frequent lightning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Additional strong to locally severe thunderstorms, containing heavy rain and gusty winds, will occur each afternoon Monday through Wednesday. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather.
In the hours before
Local storm report, Aug 18, 5:26 PM EDT, 35 minutes before
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</html>Special weather statement, Aug 18, 5:31 PM EDT, 30 minutes before
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</html>Local storm report, Aug 18, 5:36 PM EDT, 25 minutes before
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</html>Special weather statement, Aug 18, 5:36 PM EDT, 25 minutes before
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</html>Special weather statement, Aug 18, 5:38 PM EDT, 23 minutes before
Special Weather Statement National Weather Service State College PA 538 PM EDT Sun Aug 18 2019 PAZ034-035-182200- Bedford PA-Fulton PA- 538 PM EDT Sun Aug 18 2019 ...A STRONG THUNDERSTORM WILL AFFECT PARTS OF BEDFORD AND FULTON COUNTIES UNTIL 600 PM EDT... At 538 PM EDT, Doppler radar indicated a strong thunderstorm near Crystal Springs, moving east at 30 mph. Wind gusts of up to 55 mph and nickel size hail are possible. Locations impacted include... Breezewood, Clearville, Crystal Springs and Saluvia. LAT...LON 3988 7840 3996 7841 4004 7811 3986 7807 TIME...MOT...LOC 2138Z 253DEG 26KT 3994 7830 KF
Special weather statement, Aug 18, 5:47 PM EDT, 14 minutes before
Special Weather Statement
National Weather Service State College PA
547 PM EDT Sun Aug 18 2019
PAZ052-058-059-182215-
Northumberland PA-Lebanon PA-Schuylkill PA-
547 PM EDT Sun Aug 18 2019
...STRONG THUNDERSTORMS WILL AFFECT PARTS OF SCHUYLKILL...
NORTHUMBERLAND...AND LEBANON COUNTIES UNTIL 615 PM EDT...
At 547 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from Oneida to near Beurys Lake. Movement was east at
15 mph.
Wind gusts of up to 55 mph and nickel size hail are possible.
Locations impacted include...
Pottsville, Tamaqua, Mount Carmel, Schuylkill Haven, Shenandoah,
Minersville, Mahanoy City, Frackville, St. Clair, Ashland,
Orwigsburg, Mcadoo, Pine Grove, Port Carbon, Tremont, Girardville,
Hometown, Tower City, Tuscarora and New Philadelphia.
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 4064 7598 4057 7602 4058 7607 4052 7626
4050 7643 4046 7639 4045 7641 4055 7655
4057 7655 4066 7671 4080 7639 4077 7638
4080 7631 4084 7630 4092 7609 4090 7604
4091 7600 4073 7576
TIME...MOT...LOC 2147Z 286DEG 13KT 4090 7614 4070 7643
BanghoffThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:35 PM EDT | Special Weather Statement | CTP | Cambria | 25 min |
| Aug 18, 8:16 AM EDT | Special Weather Statement | CTP | Warren | 44 min |
| Aug 18, 12:37 PM EDT | Special Weather Statement | CTP | McKean | 38 min |
| Aug 18, 12:40 PM EDT | Special Weather Statement | CTP | Potter | 50 min |
| Aug 18, 12:44 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 76 min |
| Aug 18, 1:18 PM EDT | Special Weather Statement | CTP | Cameron | 42 min |
| Aug 18, 1:36 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 54 min |
| Aug 18, 1:51 PM EDT | Special Weather Statement | CTP | Clearfield | 39 min |
| Aug 18, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton | 58 min |
| Aug 18, 2:09 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 81 min |
| Aug 18, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Potter | 62 min |
| Aug 18, 2:45 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 60 min |
| Aug 18, 3:33 PM EDT | Special Weather Statement | CTP | Centre | 12 min |
| Aug 18, 3:34 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 56 min |
| Aug 18, 3:36 PM EDT | Special Weather Statement | CTP | Cambria | 24 min |
| Aug 18, 3:39 PM EDT | Special Weather Statement | CTP | Somerset | 21 min |
| Aug 18, 3:55 PM EDT | Special Weather Statement | CTP | Clearfield | 20 min |
| Aug 18, 3:58 PM EDT | Special Weather Statement | CTP | Lycoming, Sullivan | 32 min |
| Aug 18, 4:18 PM EDT | Special Weather Statement | CTP | Lancaster | 12 min |
| Aug 18, 4:29 PM EDT | Special Weather Statement | CTP | Lancaster | 16 min |
| Aug 18, 4:33 PM EDT | Special Weather Statement | CTP | Montour, Union | 27 min |
| Aug 18, 4:34 PM EDT | Special Weather Statement | CTP | Centre | 26 min |
| Aug 18, 4:43 PM EDT | Special Weather Statement | CTP | Bedford | 17 min |
| Aug 18, 4:44 PM EDT | Special Weather Statement | CTP | Columbia | 16 min |
| Aug 18, 4:55 PM EDT | Special Weather Statement | CTP | Blair | 35 min |
| Aug 18, 5:03 PM EDT | Areal Flood Advisory | CTP | Lancaster | 117 min |
| Aug 18, 5:05 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 25 min |
| Aug 18, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 24 min |
| Aug 18, 5:21 PM EDT | Special Weather Statement | CTP | McKean | 24 min |
| Aug 18, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 50 min |
| Aug 18, 5:31 PM EDT | Special Weather Statement | CTP | York | 29 min |
| Aug 18, 5:36 PM EDT | Special Weather Statement | CTP | Schuylkill | 24 min |
| Aug 18, 5:38 PM EDT | Special Weather Statement | CTP | Fulton | 22 min |
| Aug 18, 5:47 PM EDT | Special Weather Statement | CTP | Schuylkill | 28 min |
| Aug 18, 6:21 PM EDT | Special Weather Statement | CTP | Schuylkill | 24 min |
| Aug 18, 6:24 PM EDT | Special Weather Statement | CTP | Elk | 21 min |
| Aug 18, 6:30 PM EDT | Special Weather Statement | CTP | Franklin | 30 min |
| Aug 18, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 44 min |
| Aug 18, 6:43 PM EDT | Special Weather Statement | CTP | Schuylkill | 32 min |
| Aug 18, 6:45 PM EDT | Special Weather Statement | CTP | Cameron | 15 min |
| Aug 18, 6:46 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 3 hr |
| Aug 18, 7:04 PM EDT | Special Weather Statement | CTP | Cameron | 26 min |
| Aug 18, 7:22 PM EDT | Special Weather Statement | CTP | Lebanon | 23 min |
| Aug 18, 7:44 PM EDT | Special Weather Statement | CTP | Lebanon | 31 min |
| Aug 18, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 55 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm warning 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.