Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 190, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 1, 2021, 6:27 PM EDT for 6 counties in Pennsylvania. It was in force for 33 min. 1 report 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
- Aug 1, 2021, 6:27 PM EDT (22:27 UTC)
- Expired
- Aug 1, 2021, 7:00 PM EDT
- In force
- 33 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cumberland County, PA, Dauphin County, PA, Lebanon County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA
The radar
The State College radar (KCCX), 129 km from the middle of the area, began a volume at 22:30 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 |
|---|---|---|---|
| Aug 1, 6:35 PM EDT | TSTM WND DMG | 3 E Halifax, PA | TREE DOWN ACROSS DIVIDING RIDGE 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 12:00Z, 10.5 hours before the alert went out and 172 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
- 222 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 612 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
599
WUUS51 KCTP 012227
SVRCTP
PAC041-043-075-097-099-107-012300-
/O.NEW.KCTP.SV.W.0190.210801T2227Z-210801T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
627 PM EDT Sun Aug 1 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Southwestern Schuylkill County in central Pennsylvania...
Southeastern Northumberland County in central Pennsylvania...
Dauphin County in south central Pennsylvania...
Northeastern Cumberland County in south central Pennsylvania...
East central Perry County in south central Pennsylvania...
Northwestern Lebanon County in south central Pennsylvania...
* Until 700 PM EDT.
* At 627 PM EDT, severe thunderstorms were located along a line
extending from near Leck Kill to near New Buffalo to Shermansdale,
moving southeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Harrisburg, Lower Allen, Pottsville, Hershey, Colonial Park,
Progress, Mechanicsburg, Camp Hill, Palmyra, New Cumberland,
Linglestown, Enola, Steelton, Schuylkill Haven, Annville, Lemoyne,
Hummelstown, Minersville, Paxtonia and Rutherford.
This includes the following Interstates...
The Pennsylvania Turnpike between mile markers 234 and 238.
Interstate 78 from mile markers 0 to 8.
Interstate 81 from mile markers 53 to 116.
Interstate 83 from mile markers 41 to 50.
Interstate 283 from mile markers 0 to 2.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4066 7601 4053 7620 4050 7643 4043 7634
4030 7653 4020 7683 4023 7685 4023 7690
4020 7693 4017 7692 4016 7695 4032 7726
4048 7696 4076 7660
TIME...MOT...LOC 2227Z 293DEG 26KT 4067 7662 4043 7688 4033 7716
HAIL...0.75IN
WIND...60MPH
$$
Dangelo1 follow-up statement
271
WWUS51 KCTP 012249
SVSCTP
Severe Weather Statement
National Weather Service State College PA
649 PM EDT Sun Aug 1 2021
PAC097-012258-
/O.CAN.KCTP.SV.W.0190.000000T0000Z-210801T2300Z/
Northumberland PA-
649 PM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NORTHUMBERLAND
COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of
Northumberland County. Therefore, the warning has been cancelled.
LAT...LON 4066 7601 4053 7620 4050 7643 4043 7634
4030 7653 4020 7683 4023 7685 4023 7690
4020 7693 4017 7692 4016 7695 4029 7720
4042 7680 4072 7636
TIME...MOT...LOC 2248Z 293DEG 26KT 4061 7645 4037 7671 4027 7699
$$
PAC041-043-075-099-107-012300-
/O.CON.KCTP.SV.W.0190.000000T0000Z-210801T2300Z/
Schuylkill PA-Dauphin PA-Cumberland PA-Perry PA-Lebanon PA-
649 PM EDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHWESTERN SCHUYLKILL...CENTRAL DAUPHIN...NORTHEASTERN
CUMBERLAND...EAST CENTRAL PERRY AND NORTHWESTERN LEBANON COUNTIES...
At 648 PM EDT, severe thunderstorms were located along a line
extending from near Donaldson to near Skyline View to near Hogestown,
moving southeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Donaldson, Penn National Race Course, Tremont, Fort Indiantown Gap
and Tower City around 650 PM EDT.
Hershey, Progress, Pine Grove, Harper Tavern and Branchdale around
700 PM EDT.
Palmyra, Annville, Hummelstown, Highspire,
Bressler-Enhaut-Oberlin, Paxtang, Campbelltown, Cleona,
Friedensburg and Lawnton around 710 PM EDT.
Other locations impacted by these severe thunderstorms include
Ravine, Dauphin, Landingville, Newtown, Ono, Palo Alto, Mount Carbon,
Jonestown, Cressona and Muir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4066 7601 4053 7620 4050 7643 4043 7634
4030 7653 4020 7683 4023 7685 4023 7690
4020 7693 4017 7692 4016 7695 4029 7720
4042 7680 4072 7636
TIME...MOT...LOC 2248Z 293DEG 26KT 4061 7645 4037 7671 4027 7699
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 |
|---|---|---|---|---|
| Aug 1, 12:58 PM EDT | Special Weather Statement | CTP | McKean | 47 min |
| Aug 1, 1:32 PM EDT | Special Weather Statement | CTP | Tioga | 43 min |
| Aug 1, 1:36 PM EDT | Special Weather Statement | CTP | McKean | 39 min |
| Aug 1, 1:48 PM EDT | Special Weather Statement | CTP | Potter | 27 min |
| Aug 1, 2:17 PM EDT | Special Weather Statement | CTP | Elk | 43 min |
| Aug 1, 2:18 PM EDT | Special Weather Statement | CTP | Tioga | 27 min |
| Aug 1, 2:42 PM EDT | Special Weather Statement | CTP | Potter | 18 min |
| Aug 1, 2:55 PM EDT | Special Weather Statement | CTP | Cameron | 50 min |
| Aug 1, 3:44 PM EDT | Special Weather Statement | CTP | York | 46 min |
| Aug 1, 3:46 PM EDT | Special Weather Statement | CTP | Clearfield, Clinton | 44 min |
| Aug 1, 4:12 PM EDT | Special Weather Statement | CTP | Lycoming | 63 min |
| Aug 1, 4:14 PM EDT | Special Weather Statement | CTP | Centre | 46 min |
| Aug 1, 4:52 PM EDT | Special Weather Statement | CTP | Huntingdon, Mifflin, Snyder, Union | 38 min |
| Aug 1, 5:25 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 35 min |
| Aug 1, 6:06 PM EDT | Special Weather Statement | CTP | Dauphin, Schuylkill | 39 min |
| Aug 1, 6:59 PM EDT | Special Weather Statement | CTP | Lebanon | 46 min |
| Aug 1, 7:34 PM EDT | Special Weather Statement | CTP | Adams, Lancaster, York | 56 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.