Alert archive / Pennsylvania / Tornado Warnings in 2011
Tornado Warning 32, NWS State College, PA
NWS State College, PA issued this tornado warning at Jun 11, 2011, 7:42 PM EDT for Lancaster County, Lebanon County, Pennsylvania. It was in force for 48 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, 7:42 PM EDT (23:42 UTC)
- Expired
- Jun 11, 2011, 8:30 PM EDT
- In force
- 48 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Lancaster County, PA, Lebanon County, PA
The radar
The Philadelphia radar (KDIX), 158 km from the middle of the area, began a volume at 23:45 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, 11.7 hours before the alert went out and 175 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.
525 WFUS51 KCTP 112342 TORCTP PAC071-075-120030- /O.NEW.KCTP.TO.W.0032.110611T2342Z-110612T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 742 PM EDT SAT JUN 11 2011 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL LANCASTER COUNTY IN SOUTH CENTRAL PENNSYLVANIA... SOUTHEASTERN LEBANON COUNTY IN SOUTH CENTRAL PENNSYLVANIA... * UNTIL 830 PM EDT * AT 740 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM CONTAINING THE POSSIBLE TORNADO WAS NEAR CORNWALL...MOVING EAST AT 10 MPH. * THE TORNADO WILL BE NEAR... BRICKERVILLE AROUND 815 PM EDT... DENVER AROUND 830 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 PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 269 AND 284. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 322...STATE ROAD 501. 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. && LAT...LON 4024 7608 4016 7626 4025 7645 4030 7630 TIME...MOT...LOC 2342Z 288DEG 8KT 4028 7637 $$ FORECASTER: LAMBERT
1 follow-up statement
623
WWUS51 KCTP 120010
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
810 PM EDT SAT JUN 11 2011
PAC075-120018-
/O.CAN.KCTP.TO.W.0032.000000T0000Z-110612T0030Z/
LEBANON PA-
810 PM EDT SAT JUN 11 2011
...THE TORNADO WARNING FOR SOUTHEASTERN LEBANON COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
AREA...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4016 7626 4022 7635 4026 7629 4028 7624
4024 7608
TIME...MOT...LOC 0008Z 288DEG 8KT 4023 7626
$$
PAC071-120030-
/O.CON.KCTP.TO.W.0032.000000T0000Z-110612T0030Z/
LANCASTER PA-
810 PM EDT SAT JUN 11 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR NORTH
CENTRAL LANCASTER COUNTY...
AT 803 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
BRICKERVILLE...OR 6 MILES NORTH OF LITITZ...MOVING EAST SOUTHEAST AT
10 MPH.
THE TORNADO WILL BE NEAR...
DENVER AROUND 830 PM EDT...
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 322...STATE ROAD
501.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING NUMEROUS DOWNED TREES AND
POWER LINES ACROSS THE ANNVILLE AND LEBANON AREAS. THIS IS AN VERY
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
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.
&&
LAT...LON 4016 7626 4022 7635 4026 7629 4028 7624
4024 7608
TIME...MOT...LOC 0008Z 288DEG 8KT 4023 7626
$$
FORECASTER: LAMBERTThe 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, 7:15 PM EDT | Tornado Warning | CTP | Dauphin, Lebanon | 45 min |
| Jun 11, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 63 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.