Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 26, 2021, 8:10 PM EDT for Juniata County, Perry County, Snyder County, Pennsylvania. It was in force for 35 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
- May 26, 2021, 8:10 PM EDT (00:10 UTC)
- Expired
- May 26, 2021, 8:45 PM EDT
- In force
- 35 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Juniata County, PA, Perry County, PA, Snyder County, PA
The radar
The State College radar (KCCX), 80 km from the middle of the area, began a volume at 00:14 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 |
|---|---|---|---|
| May 26, 8:11 PM EDT | TSTM WND DMG | Thompsontown, PA | TREES AND WIRES DOWN. |
| May 26, 8:28 PM EDT | TSTM WND DMG | 3 S Meiserville, PA | SEVERAL TREES UPROOTED OR SNAPPED ON KLINE HOLLOW RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.2 hours before the alert went out and 195 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
- 1316 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1697 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted.
777
WUUS51 KCTP 270010
SVRCTP
PAC067-099-109-270045-
/O.NEW.KCTP.SV.W.0016.210527T0010Z-210527T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
810 PM EDT Wed May 26 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Northeastern Juniata County in central Pennsylvania...
Snyder County in central Pennsylvania...
Northeastern Perry County in south central Pennsylvania...
* Until 845 PM EDT.
* At 810 PM EDT, severe thunderstorms were located along a line
extending from Snyder-Middleswart State Park to near Richfield to
near Mexico, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees, roofs, and siding.
* Locations impacted include...
Selinsgrove, Shamokin Dam, Hummels Wharf, Middleburg,
Mcalisterville, McClure, Kreamer, Port Trevorton, Penns Creek,
Beaver Springs, Richfield, Mount Pleasant Mills, Kratzerville,
Paxtonville, Troxelville, Snyder-Middleswart State Park, Fremont,
Meiserville, Beavertown and Liverpool.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4048 7738 4061 7727 4068 7731 4069 7729
4070 7731 4080 7735 4087 7706 4086 7702
4089 7694 4088 7680 4080 7685 4072 7686
4063 7695 4059 7696 4057 7699 4053 7698
TIME...MOT...LOC 0010Z 259DEG 42KT 4080 7725 4063 7718 4052 7728
HAIL...<.75IN
WIND...60MPH
$$
Colbert1 follow-up statement
564
WWUS51 KCTP 270037
SVSCTP
Severe Weather Statement
National Weather Service State College PA
837 PM EDT Wed May 26 2021
PAC067-270047-
/O.CAN.KCTP.SV.W.0016.000000T0000Z-210527T0045Z/
Juniata PA-
837 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JUNIATA COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4056 7705 4061 7702 4062 7699 4068 7704
4068 7705 4079 7698 4077 7685 4072 7686
4064 7694 4064 7699 4062 7698 4063 7695
4059 7696 4057 7699 4053 7698 4053 7700
TIME...MOT...LOC 0037Z 259DEG 42KT 4086 7684 4069 7677 4058 7687
$$
PAC099-109-270045-
/O.CON.KCTP.SV.W.0016.000000T0000Z-210527T0045Z/
Snyder PA-Perry PA-
837 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN SNYDER AND NORTHEASTERN PERRY COUNTIES...
At 837 PM EDT, severe thunderstorms were located along a line
extending from Shamokin Dam to Urban to near Elizabethville, moving
east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees, roofs, and siding.
Locations impacted include...
Port Trevorton, Mount Pleasant Mills, Meiserville, Liverpool and
Freeburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4056 7705 4061 7702 4062 7699 4068 7704
4068 7705 4079 7698 4077 7685 4072 7686
4064 7694 4064 7699 4062 7698 4063 7695
4059 7696 4057 7699 4053 7698 4053 7700
TIME...MOT...LOC 0037Z 259DEG 42KT 4086 7684 4069 7677 4058 7687
HAIL...<.75IN
WIND...60MPH
$$
ColbertThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:04 PM EDT | Special Weather Statement | CTP | Snyder | 26 min |
| May 26, 8:29 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 32 min |
| May 26, 8:47 PM EDT | Special Weather Statement | CTP | Schuylkill | 28 min |
| May 26, 9:15 PM EDT | Special Weather Statement | CTP | Schuylkill | 30 min |
| May 26, 9:26 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 34 min |
| May 26, 9:33 PM EDT | Special Weather Statement | CTP | Lancaster, York | 42 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.