Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 32, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 13, 2021, 7:53 PM EDT for Blair County, Centre County, Huntingdon County, Pennsylvania. It was in force for 43 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 13, 2021, 7:53 PM EDT (23:53 UTC)
- Expired
- Jun 13, 2021, 8:36 PM EDT
- In force
- 43 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blair County, PA, Centre County, PA, Huntingdon County, PA
The radar
The State College radar (KCCX), 22 km from the middle of the area, began a volume at 23:54 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 8:02 PM EDT | TSTM WND DMG | 4 W Port Matilda, PA | TREES DOWN ON WIRES ON SOUTH MOUNTAIN ROAD. |
| Jun 13, 8:12 PM EDT | TSTM WND DMG | 2 Nnw Warriors Mark, PA | NUMEROUS TREES DOWN ON HALFMOON VALLEY RD NEAR CENTRE LINE RD. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 173 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
- 1001 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted.
496
WUUS51 KCTP 132353
SVRCTP
PAC013-027-061-140100-
/O.NEW.KCTP.SV.W.0032.210613T2353Z-210614T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
753 PM EDT Sun Jun 13 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Northwestern Huntingdon County in central Pennsylvania...
Southwestern Centre County in central Pennsylvania...
Northeastern Blair County in central Pennsylvania...
* Until 900 PM EDT.
* At 753 PM EDT, a severe thunderstorm was located near Port Matilda,
moving southeast at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Tyrone, Stormstown, Bald Eagle, Warriors Mark, Port Matilda, Sandy
Ridge, Franklinville and Rock Springs.
This includes Interstate 99 from mile markers 48 to 63.
This includes the following highways...
Route 220 from near Tyrone on I-99 to Port Matilda.
Route 322 from north of Port Matilda to Port Matilda.
State Road 350 from Sandy Ridge to Bald Eagle.
State Road 453 near Tyrone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4082 7823 4086 7807 4071 7791 4069 7794
4062 7803 4066 7824
TIME...MOT...LOC 2353Z 334DEG 14KT 4078 7813
HAIL...1.00IN
WIND...60MPH
$$
Dangelo2 follow-up statements
662
WWUS51 KCTP 140007
SVSCTP
Severe Weather Statement
National Weather Service State College PA
807 PM EDT Sun Jun 13 2021
PAC013-027-061-140100-
/O.CON.KCTP.SV.W.0032.000000T0000Z-210614T0100Z/
Huntingdon PA-Centre PA-Blair PA-
807 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHWESTERN HUNTINGDON...SOUTHWESTERN CENTRE AND NORTHEASTERN
BLAIR COUNTIES...
At 807 PM EDT, a severe thunderstorm was located near Warriors Mark,
moving southeast at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Tyrone, Stormstown, Bald Eagle, Warriors Mark, Ramblewood, Port
Matilda, Franklinville and Rock Springs.
This includes Interstate 99 from mile markers 48 to 63.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 4076 7823 4086 7807 4071 7791 4069 7794
4062 7803 4066 7824
TIME...MOT...LOC 0007Z 329DEG 11KT 4075 7810
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
Dangelo477
WWUS51 KCTP 140036
SVSCTP
Severe Weather Statement
National Weather Service State College PA
836 PM EDT Sun Jun 13 2021
PAC013-027-061-140045-
/O.CAN.KCTP.SV.W.0032.000000T0000Z-210614T0100Z/
Huntingdon PA-Centre PA-Blair PA-
836 PM EDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HUNTINGDON...
SOUTHWESTERN CENTRE AND NORTHEASTERN BLAIR COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However gusty winds of 50 to 55 MPH are still
possible with this thunderstorm as it moves south through Huntingdon
County.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Pennsylvania.
LAT...LON 4076 7823 4086 7807 4071 7791 4069 7794
4062 7803 4066 7824
TIME...MOT...LOC 0034Z 334DEG 14KT 4065 7804
$$
DangeloThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:56 AM EDT | Special Weather Statement | CTP | Somerset | 49 min |
| Jun 13, 9:08 AM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 67 min |
| Jun 13, 9:48 AM EDT | Special Weather Statement | CTP | Bedford | 57 min |
| Jun 13, 10:04 AM EDT | Areal Flood Advisory | CTP | Bedford, Cambria, Somerset | 116 min |
| Jun 13, 10:26 AM EDT | Special Weather Statement | CTP | Fulton | 49 min |
| Jun 13, 3:37 PM EDT | Special Weather Statement | CTP | Lycoming | 38 min |
| Jun 13, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 45 min |
| Jun 13, 4:14 PM EDT | Special Weather Statement | CTP | Lycoming | 46 min |
| Jun 13, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 83 min |
| Jun 13, 4:55 PM EDT | Special Weather Statement | CTP | Cameron | 20 min |
| Jun 13, 5:07 PM EDT | Special Weather Statement | CTP | Union | 23 min |
| Jun 13, 5:11 PM EDT | Special Weather Statement | CTP | Elk | 19 min |
| Jun 13, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 55 min |
| Jun 13, 5:19 PM EDT | Special Weather Statement | CTP | Cameron | 26 min |
| Jun 13, 5:57 PM EDT | Special Weather Statement | CTP | Union | 18 min |
| Jun 13, 6:07 PM EDT | Special Weather Statement | CTP | Cameron | 23 min |
| Jun 13, 6:30 PM EDT | Special Weather Statement | CTP | Clinton | 15 min |
| Jun 13, 6:34 PM EDT | Special Weather Statement | CTP | Potter | 26 min |
| Jun 13, 6:39 PM EDT | Special Weather Statement | CTP | Forest | 21 min |
| Jun 13, 6:45 PM EDT | Special Weather Statement | CTP | Clinton | 15 min |
| Jun 13, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 54 min |
| Jun 13, 6:54 PM EDT | Special Weather Statement | CTP | Centre | 36 min |
| Jun 13, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 32 min |
| Jun 13, 7:22 PM EDT | Special Weather Statement | CTP | Tioga | 23 min |
| Jun 13, 7:23 PM EDT | Special Weather Statement | CTP | Centre | 37 min |
| Jun 13, 7:26 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 49 min |
| Jun 13, 7:34 PM EDT | Areal Flood Advisory | CTP | Potter | 86 min |
| Jun 13, 7:46 PM EDT | Special Weather Statement | CTP | Centre | 29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.