Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 2, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Mar 23, 2011, 5:36 PM EDT for 5 counties in Pennsylvania. It was in force for 39 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
- Mar 23, 2011, 5:36 PM EDT (21:36 UTC)
- Expired
- Mar 23, 2011, 6:15 PM EDT
- In force
- 39 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Cumberland County, PA, Huntingdon County, PA, Juniata County, PA, Mifflin County, PA, Perry County, PA
The radar
The State College radar (KCCX), 69 km from the middle of the area, began a volume at 21:36 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 |
|---|---|---|---|
| Mar 23, 4:13 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.6 hours before the alert went out and 157 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 304 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
178
WUUS51 KCTP 232136
SVRCTP
PAC041-061-067-087-099-232215-
/O.NEW.KCTP.SV.W.0002.110323T2136Z-110323T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
536 PM EDT WED MAR 23 2011
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL CUMBERLAND COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
CENTRAL HUNTINGDON COUNTY IN CENTRAL PENNSYLVANIA...
JUNIATA COUNTY IN CENTRAL PENNSYLVANIA...
MIFFLIN COUNTY IN CENTRAL PENNSYLVANIA...
PERRY COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
* UNTIL 615 PM EDT
* AT 531 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS ON DOPPLER RADAR. THESE
SEVERE STORMS EXTENDED FROM TROUGH CREEK STATE PARK TO CASSVILLE...
MOVING EAST AT 55 MPH. THESE STORMS ARE CAPABLE OF PRODUCING
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
MOUNT UNION AROUND 545 PM...
BIG SPRING STATE PARK AROUND 550 PM...
ALLENSVILLE AND PERULACK AROUND 555 PM...
BELLEVILLE AND HONEY GROVE AROUND 600 PM...
STRODES MILLS AND COLONEL DENNING STATE PARK AROUND 605 PM...
LEWISTOWN AND BURNHAM AROUND 610 PM...
THIS WILL IMPACT I-81 BETWEEN MILE MARKERS 57 AND 58.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE
22/522...ROUTE 322...ROUTE 322/22...ROUTE 522.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGE. MOVE INSIDE A PERMANENT BUILDING
NOW TO BE SAFE FROM STRONG WIND GUSTS AND LARGE HAIL.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY
EVENING FOR SOUTH CENTRAL PENNSYLVANIA.
&&
LAT...LON 4036 7821 4048 7813 4080 7743 4027 7702
4022 7765 4026 7765 4025 7767 4028 7766
4029 7768 4021 7776 4019 7799
TIME...MOT...LOC 2136Z 249DEG 46KT 4038 7805 4031 7794
$$
FORECASTER: CERU3 follow-up statements
496
WWUS51 KCTP 232148
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
548 PM EDT WED MAR 23 2011
PAC041-061-067-087-099-232215-
/O.CON.KCTP.SV.W.0002.000000T0000Z-110323T2215Z/
CUMBERLAND PA-HUNTINGDON PA-JUNIATA PA-MIFFLIN PA-PERRY PA-
548 PM EDT WED MAR 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR PERRY...MIFFLIN...JUNIATA...EAST CENTRAL HUNTINGDON AND NORTH
CENTRAL CUMBERLAND COUNTIES...
AT 545 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MOUNT
UNION TO PERULACK...MOVING EAST AT 55 MPH.
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE
22/522...ROUTE 322...ROUTE 322/22...ROUTE 522.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA.
&&
LAT...LON 4026 7765 4025 7767 4028 7766 4029 7781
4043 7800 4048 7798 4080 7743 4027 7702
4022 7765
TIME...MOT...LOC 2148Z 250DEG 46KT 4041 7785 4033 7763
$$
FORECASTER: CERU064
WWUS51 KCTP 232203
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
603 PM EDT WED MAR 23 2011
PAC061-232213-
/O.CAN.KCTP.SV.W.0002.000000T0000Z-110323T2215Z/
HUNTINGDON PA-
603 PM EDT WED MAR 23 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HUNTINGDON COUNTY
IS CANCELLED...
THE STORM HAS WEAKENED TO BELOW SEVERE LIMITS...THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA.
LAT...LON 4025 7742 4042 7774 4058 7775 4080 7743
4027 7702
TIME...MOT...LOC 2203Z 250DEG 46KT 4048 7760 4040 7738
$$
PAC041-067-087-099-232215-
/O.CON.KCTP.SV.W.0002.000000T0000Z-110323T2215Z/
CUMBERLAND PA-JUNIATA PA-MIFFLIN PA-PERRY PA-
603 PM EDT WED MAR 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR PERRY...MIFFLIN...WESTERN JUNIATA AND NORTH CENTRAL CUMBERLAND
COUNTIES...
AT 559 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING QUARTER SIZE HAIL. THESE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM BLACKLOG TO KISTLER...MOVING EAST AT 55 MPH.
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22/522...ROUTE
322...ROUTE 322/22...ROUTE 522.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA.
&&
LAT...LON 4025 7742 4042 7774 4058 7775 4080 7743
4027 7702
TIME...MOT...LOC 2203Z 250DEG 46KT 4048 7760 4040 7738
$$
FORECASTER: CERU684
WWUS51 KCTP 232213
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
613 PM EDT WED MAR 23 2011
PAC041-067-087-099-232223-
/O.EXP.KCTP.SV.W.0002.000000T0000Z-110323T2215Z/
CUMBERLAND PA-JUNIATA PA-MIFFLIN PA-PERRY PA-
613 PM EDT WED MAR 23 2011
...THE SEVERE THUNDERSTORM WARNING FOR PERRY...MIFFLIN...WESTERN
JUNIATA AND NORTH CENTRAL CUMBERLAND COUNTIES WILL EXPIRE AT 615 PM
EDT...
THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA.
LAT...LON 4025 7742 4042 7774 4058 7775 4080 7743
4027 7702
TIME...MOT...LOC 2213Z 250DEG 46KT 4052 7744 4044 7722
$$
FORECASTER: CERUThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 3:53 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 52 min |
| Mar 23, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 29 min |
| Mar 23, 5:01 PM EDT | Special Weather Statement | CTP | Blair | 29 min |
| Mar 23, 5:09 PM EDT | Tornado Warning | CTP | Cambria, Somerset | 36 min |
| Mar 23, 5:25 PM EDT | Special Weather Statement | CTP | Clearfield | 35 min |
| Mar 23, 5:29 PM EDT | Winter Weather Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 4 hr |
| Mar 23, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cambria, Somerset | 31 min |
| Mar 23, 6:04 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 26 min |
| Mar 23, 6:13 PM EDT | Special Weather Statement | CTP | Fulton | 32 min |
| Mar 23, 6:31 PM EDT | Areal Flood Advisory | CTP | Blair, Cambria | 3 hr |
| Mar 23, 6:39 PM EDT | Special Weather Statement | CTP | Cumberland | 36 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2011Every severe thunderstorm warning in 2011
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.