Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 34, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 13, 2021, 8:41 PM EDT for McKean County, Potter County, Pennsylvania. It was in force for 64 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
- Jun 13, 2021, 8:41 PM EDT (00:41 UTC)
- Expired
- Jun 13, 2021, 9:45 PM EDT
- In force
- 64 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties McKean County, PA, Potter County, PA
The radar
The State College radar (KCCX), 113 km from the middle of the area, began a volume at 00:42 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.7 hours before the alert went out and 125 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
- 746 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1307 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
165
WUUS51 KCTP 140041
SVRCTP
PAC083-105-140145-
/O.NEW.KCTP.SV.W.0034.210614T0041Z-210614T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
841 PM EDT Sun Jun 13 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Northeastern McKean County in north central Pennsylvania...
Northern Potter County in north central Pennsylvania...
* Until 945 PM EDT.
* At 841 PM EDT, a severe thunderstorm was located near Coryville,
moving east at 25 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Trained weather spotters have occasionally reported large
hail over the last hour to hour and a half with this
storm.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Shinglehouse around 850 PM EDT.
Genesee around 920 PM EDT.
Harrison Valley around 940 PM EDT.
Other locations impacted by this severe thunderstorm include Ulysses,
Oswayo and Eldred.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4200 7764 4184 7763 4180 7837 4197 7841
4200 7822
TIME...MOT...LOC 0041Z 260DEG 29KT 4190 7829
HAIL...1.25IN
WIND...60MPH
$$
Jurewicz2 follow-up statements
153
WWUS51 KCTP 140104
SVSCTP
Severe Weather Statement
National Weather Service State College PA
904 PM EDT Sun Jun 13 2021
PAC083-105-140145-
/O.CON.KCTP.SV.W.0034.000000T0000Z-210614T0145Z/
McKean PA-Potter PA-
904 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR NORTHEASTERN MCKEAN AND NORTHERN POTTER COUNTIES...
At 902 PM EDT, a severe thunderstorm was located near Shinglehouse,
moving east at 20 mph.
HAZARD...60 mph wind gusts, small hail and minor flooding.
SOURCE...Doppler radar indicated.
IMPACT...Expect downed trees and minor flooding in some locations.
Locations impacted include... Port Allegany, Shinglehouse,
Genesee, Harrison Valley, Ulysses and Oswayo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4181 7826 4198 7827 4200 7800 4200 7764
4184 7763
TIME...MOT...LOC 0102Z 269DEG 18KT 4189 7816
HAIL...0.75IN
WIND...60MPH
$$
KF336
WWUS51 KCTP 140135
SVSCTP
Severe Weather Statement
National Weather Service State College PA
935 PM EDT Sun Jun 13 2021
PAC083-140144-
/O.CAN.KCTP.SV.W.0034.000000T0000Z-210614T0145Z/
McKean PA-
935 PM EDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCKEAN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
north central Pennsylvania.
LAT...LON 4183 7783 4200 7796 4200 7764 4184 7763
TIME...MOT...LOC 0134Z 266DEG 37KT 4195 7776
$$
PAC105-140145-
/O.CON.KCTP.SV.W.0034.000000T0000Z-210614T0145Z/
Potter PA-
935 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR NORTHEASTERN POTTER COUNTY...
At 934 PM EDT, a severe thunderstorm was located near Harrison
Valley, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Genesee, Harrison Valley and Ulysses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4183 7783 4200 7796 4200 7764 4184 7763
TIME...MOT...LOC 0134Z 266DEG 37KT 4195 7776
HAIL...0.75IN
WIND...60MPH
$$
DangeloThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 35 min |
| Jun 13, 8:15 PM EDT | Special Weather Statement | CTP | Centre | 45 min |
| Jun 13, 8:30 PM EDT | Special Weather Statement | CTP | Huntingdon | 30 min |
| Jun 13, 9:02 PM EDT | Special Weather Statement | CTP | Huntingdon | 43 min |
| Jun 13, 9:08 PM EDT | Areal Flood Advisory | CTP | McKean | 67 min |
| Jun 13, 9:38 PM EDT | Areal Flood Advisory | CTP | Centre | 82 min |
| Jun 13, 9:47 PM EDT | Areal Flood Advisory | CTP | Potter | 73 min |
| Jun 13, 10:58 PM EDT | Areal Flood Advisory | CTP | Centre | 2 hr |
| Jun 13, 11:04 PM EDT | Areal Flood Advisory | CTP | Huntingdon, Mifflin | 116 min |
| Jun 13, 11:04 PM EDT | Special Weather Statement | CTP | Juniata | 56 min |
| Jun 13, 11:56 PM EDT | Special Weather Statement | CTP | Perry | 34 min |
| Jun 14, 12:29 AM EDT | Special Weather Statement | CTP | Cumberland | 31 min |
| Jun 14, 12:37 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 38 min |
| Jun 14, 1:12 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 48 min |
| Jun 14, 11:36 AM EDT | Special Weather Statement | CTP | Warren | 39 min |
| Jun 14, 12:02 PM EDT | Special Weather Statement | CTP | Elk | 58 min |
| Jun 14, 12:47 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 73 min |
| Jun 14, 1:31 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 74 min |
| Jun 14, 1:53 PM EDT | Special Weather Statement | CTP | Centre | 37 min |
| Jun 14, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Union | 57 min |
| Jun 14, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 57 min |
| Jun 14, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 41 min |
| Jun 14, 4:10 PM EDT | Special Weather Statement | CTP | Centre | 20 min |
| Jun 14, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 50 min |
| Jun 14, 4:16 PM EDT | Special Weather Statement | CTP | Somerset | 14 min |
| Jun 14, 4:24 PM EDT | Special Weather Statement | CTP | Blair | 21 min |
| Jun 14, 4:43 PM EDT | Special Weather Statement | CTP | Blair | 47 min |
| Jun 14, 4:44 PM EDT | Special Weather Statement | CTP | Somerset | 16 min |
| Jun 14, 5:04 PM EDT | Special Weather Statement | CTP | Somerset | 26 min |
| Jun 14, 5:49 PM EDT | Special Weather Statement | CTP | Somerset | 26 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021
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.