Alert archive / Pennsylvania / Tornado Warnings in 2011
Tornado Warning 22, NWS Cleveland, OH
NWS Cleveland, OH issued this tornado warning at Jul 25, 2011, 11:43 AM EDT for Erie County, Pennsylvania. It was in force for 32 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
- Jul 25, 2011, 11:43 AM EDT (15:43 UTC)
- Expired
- Jul 25, 2011, 12:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
County Erie County, PA
The radar
The Buffalo radar (KBUF), 139 km from the middle of the area, began a volume at 15:43 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 |
|---|---|---|---|
| Jul 25, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.7 hours before the alert went out and 140 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
- 992 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
261
WFUS51 KCLE 251543
TORCLE
PAC049-251630-
/O.NEW.KCLE.TO.W.0022.110725T1543Z-110725T1630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1143 AM EDT MON JUL 25 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA...
* UNTIL 1230 PM EDT
* AT 1141 AM EDT...THE PUBLIC REPORTED A POSSIBLE TORNADO NEAR ERIE.
DOPPLER RADAR SHOWED THE STORM WITH THE POSSIBLE TORNADO MOVING
SOUTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
WATERFORD AROUND 1205 PM EDT.
UNION CITY AROUND 1225 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4185 7992 4206 8020 4217 8007 4216 8006
4218 8001 4205 7975 4200 7975 4201 7966
4197 7960 4185 7961
TIME...MOT...LOC 1542Z 311DEG 17KT 4207 8003
$$
KING1 follow-up statement
909
WWUS51 KCLE 251615
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1215 PM EDT MON JUL 25 2011
PAC049-251625-
/O.CAN.KCLE.TO.W.0022.000000T0000Z-110725T1630Z/
ERIE PA-
1215 PM EDT MON JUL 25 2011
...THE TORNADO WARNING FOR EASTERN ERIE COUNTY IN NORTHWEST
PENNSYLVANIA IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE. HOWEVER SMALL HAIL GUSTY WINDS ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.
LAT...LON 4185 7992 4206 8020 4217 8007 4216 8006
4218 8001 4205 7975 4200 7975 4201 7966
4197 7960 4185 7961
TIME...MOT...LOC 1615Z 311DEG 17KT 4197 7987
$$
KINGNearby
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.