Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 87, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 25, 2011, 8:37 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 53 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
- May 25, 2011, 8:37 PM EDT (00:37 UTC)
- Expired
- May 25, 2011, 9:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Crawford County, PA, Erie County, PA
The radar
The Pittsburgh radar (KPBZ), 134 km from the middle of the area, began a volume at 00:41 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 |
|---|---|---|---|
| May 25, 8:57 PM EDT | TSTM WND DMG | Meadville, PA | NUMEROUS TREES DOWN SEVERAL LOCATIONS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 25, 1:55 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 146 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
- 702 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.0
The text
As transmitted, in the capitals the NWS used until 2016.
646
WUUS51 KCLE 260037
SVRCLE
PAC039-049-260130-
/O.NEW.KCLE.SV.W.0087.110526T0037Z-110526T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
837 PM EDT WED MAY 25 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
SOUTHEASTERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA
* UNTIL 930 PM EDT
* AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES WEST OF EDINBORO
TO 10 MILES NORTHEAST OF LINESVILLE TO LINESVILLE TO 8 MILES
SOUTHWEST OF LINESVILLE...AND MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
MEADVILLE...
EDINBORO...
CAMBRIDGE SPRINGS...
WATERFORD...
UNION CITY...
SPARTANSBURG...
CORRY...
TITUSVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4162 7963 4161 7965 4162 7982 4148 8003
4148 8042 4149 8043 4150 8051 4187 8033
4201 7977 4199 7976 4201 7975 4200 7962
TIME...MOT...LOC 0037Z 285DEG 36KT 4188 8027 4177 8026
4164 8032 4154 8045
$$
LAPLANTE2 follow-up statements
839
WWUS51 KCLE 260123
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
923 PM EDT WED MAY 25 2011
PAC039-049-260130-
/O.CON.KCLE.SV.W.0087.000000T0000Z-110526T0130Z/
CRAWFORD PA-ERIE PA-
923 PM EDT WED MAY 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR SOUTHEASTERN ERIE AND CRAWFORD COUNTIES IN NORTHWEST
PENNSYLVANIA...
AT 920 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
UNION CITY TO 10 MILES WEST OF TITUSVILLE...MOVING EAST AT 35 MPH.
LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
SPARTANSBURG...TITUSVILLE AND CORRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.
&&
LAT...LON 4162 7963 4161 7965 4162 7982 4148 8003
4149 8043 4150 8051 4182 8007 4201 7977
4199 7976 4201 7975 4200 7962
TIME...MOT...LOC 0123Z 290DEG 29KT 4194 7981 4167 7982
$$
THOMPSON105
WWUS51 KCLE 260135
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
935 PM EDT WED MAY 25 2011
PAC039-049-260145-
/O.EXP.KCLE.SV.W.0087.000000T0000Z-110526T0130Z/
CRAWFORD PA-ERIE PA-
935 PM EDT WED MAY 25 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE AND CRAWFORD
COUNTIES IN NORTHWEST PENNSYLVANIA EXPIRES AT 930 PM EDT...
LAT...LON 4162 7963 4161 7965 4162 7982 4148 8003
4149 8043 4150 8051 4182 8007 4201 7977
4199 7976 4201 7975 4200 7962
TIME...MOT...LOC 0123Z 290DEG 29KT 4194 7981 4167 7982
$$
THOMPSONThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:17 PM EDT | Areal Flood Warning | CLE | Crawford, Erie | 10 hr |
| May 25, 8:34 PM EDT | Tornado Warning | CLE | Erie | 56 min |
| May 25, 9:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 35 min |
| May 26, 12:53 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 67 min |
| May 26, 11:02 AM EDT | Flood Watch | CLE | Crawford, Erie | 11 hr |
| May 26, 4:39 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 66 min |
| May 26, 4:53 PM EDT | Tornado Warning | CLE | Crawford, Erie | 52 min |
| May 26, 4:54 PM EDT | Areal Flood Warning | CLE | Erie | 4 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.