Alert archive / Pennsylvania / Tornado Warnings in 2011
Tornado Warning 31, NWS State College, PA
NWS State College, PA issued this tornado warning at Jun 11, 2011, 7:15 PM EDT for Dauphin County, Lebanon County, Pennsylvania. It was in force for 45 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 11, 2011, 7:15 PM EDT (23:15 UTC)
- Expired
- Jun 11, 2011, 8:00 PM EDT
- In force
- 45 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Dauphin County, PA, Lebanon County, PA
The radar
The State College radar (KCCX), 141 km from the middle of the area, began a volume at 23:14 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.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.3 hours before the alert went out and 167 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
- 175 J/kg
- Mixed-layer CIN
- -275 J/kg
- Mixed-layer LCL
- 1552 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
101
WFUS51 KCTP 112315
TORCTP
PAC043-075-120000-
/O.NEW.KCTP.TO.W.0031.110611T2315Z-110612T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
715 PM EDT SAT JUN 11 2011
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL DAUPHIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
SOUTHERN LEBANON COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
* UNTIL 800 PM EDT
* AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM
CONTAINING THE POSSIBLE TORNADO WAS NEAR SKYLINE VIEW...MOVING EAST
AT 5 MPH.
* THE TORNADO WILL BE NEAR...
HERSHEY AROUND 735 PM EDT...
PALMYRA AROUND 755 PM EDT...
CAMPBELLTOWN AND ANNVILLE AROUND 800 PM EDT...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 262 AND 263...I-81 BETWEEN
MILE MARKERS 77 AND 80.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE
322...ROUTE 422.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
TAKE COVER INSIDE NOW. DO NOT WAIT TO SEE OR HEAR THE TORNADO. MOVE
TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF A STURDY BUILDING. PUT AS
MANY WALLS BETWEEN YOU AND THE OUTSIDE AS YOU CAN. AVOID WINDOWS.
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4029 7629 4021 7654 4027 7672 4034 7675
4039 7668
TIME...MOT...LOC 2315Z 286DEG 5KT 4033 7666
$$
FORECASTER: KREKELER1 follow-up statement
920
WWUS51 KCTP 112337
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
737 PM EDT SAT JUN 11 2011
PAC043-112347-
/O.CAN.KCTP.TO.W.0031.000000T0000Z-110612T0000Z/
DAUPHIN PA-
737 PM EDT SAT JUN 11 2011
...THE TORNADO WARNING FOR EAST CENTRAL DAUPHIN COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
AREA...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4021 7654 4023 7659 4028 7660 4029 7660
4033 7655 4029 7629
TIME...MOT...LOC 2337Z 294DEG 14KT 4027 7656
$$
PAC075-120000-
/O.CON.KCTP.TO.W.0031.000000T0000Z-110612T0000Z/
LEBANON PA-
737 PM EDT SAT JUN 11 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR SOUTHERN
LEBANON COUNTY...
AT 732 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION THAT MAY BE PRODUCING A
TORNADO. THIS STORM THAT MAY BE PRODUCING A TORNADO WAS LOCATED NEAR
CAMPBELLTOWN...OR NEAR PALMYRA...MOVING SOUTHEAST AT 15 MPH.
THE TORNADO WILL BE NEAR...
LAWN AROUND 745 PM EDT...
MOUNT GRETNA AROUND 755 PM EDT...
CORNWALL AROUND 800 PM EDT...
THIS WILL IMPACT THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 261
AND 264.
THIS WILL ALSO IMPACT ROUTE 322.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
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.
&&
LAT...LON 4021 7654 4023 7659 4028 7660 4029 7660
4033 7655 4029 7629
TIME...MOT...LOC 2337Z 294DEG 14KT 4027 7656
$$
FORECASTER: LAMBERT/KREKELERThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 1:14 AM EDT | Special Weather Statement | CTP | Huntingdon | 31 min |
| Jun 11, 2:39 AM EDT | Special Weather Statement | CTP | Lebanon | 36 min |
| Jun 11, 3:22 AM EDT | Areal Flood Advisory | CTP | Centre, Clearfield | 3 hr |
| Jun 11, 3:31 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, Perry, Schuylkill | 3 hr |
| Jun 11, 4:33 AM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 42 min |
| Jun 11, 5:46 AM EDT | Special Weather Statement | CTP | Columbia, Lancaster, Lebanon, Montour, Northumberland, Schuylkill | 44 min |
| Jun 11, 6:44 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 8 hr |
| Jun 11, 6:44 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon | 8 hr |
| Jun 11, 10:46 AM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 13 hr |
| Jun 11, 3:51 PM EDT | Special Weather Statement | CTP | Blair | 54 min |
| Jun 11, 4:31 PM EDT | Special Weather Statement | CTP | Huntingdon | 59 min |
| Jun 11, 4:37 PM EDT | Special Weather Statement | CTP | Clearfield | 68 min |
| Jun 11, 4:42 PM EDT | Special Weather Statement | CTP | Huntingdon, Mifflin | 63 min |
| Jun 11, 5:36 PM EDT | Special Weather Statement | CTP | Franklin | 54 min |
| Jun 11, 5:46 PM EDT | Special Weather Statement | CTP | Fulton | 44 min |
| Jun 11, 6:02 PM EDT | Special Weather Statement | CTP | Sullivan | 43 min |
| Jun 11, 6:28 PM EDT | Special Weather Statement | CTP | Huntingdon | 62 min |
| Jun 11, 6:41 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon, Northumberland, Schuylkill | 5 hr |
| Jun 11, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 61 min |
| Jun 11, 6:53 PM EDT | Special Weather Statement | CTP | Lycoming | 22 min |
| Jun 11, 6:58 PM EDT | Tornado Warning | CTP | Lebanon | 47 min |
| Jun 11, 7:07 PM EDT | Special Weather Statement | CTP | Tioga | 23 min |
| Jun 11, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 63 min |
| Jun 11, 7:42 PM EDT | Tornado Warning | CTP | Lancaster, Lebanon | 48 min |
| Jun 11, 7:49 PM EDT | Tornado Warning | CTP | Lancaster, Lebanon | 41 min |
| Jun 11, 7:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 68 min |
| Jun 11, 7:53 PM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon | 3 hr |
| Jun 11, 7:56 PM EDT | Tornado Warning | CTP | Lancaster, York | 49 min |
Nearby
Tornado Warnings in Pennsylvania, 2011Every tornado warning in 2011Tornadoes 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.