Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 55, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 29, 2012, 11:37 AM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 38 min. 6 reports 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 29, 2012, 11:37 AM EDT (15:37 UTC)
- Expired
- May 29, 2012, 12:15 PM EDT
- In force
- 38 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Crawford County, PA, Erie County, PA
The radar
The Pittsburgh radar (KPBZ), 146 km from the middle of the area, began a volume at 15:40 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 29, 11:44 AM EDT | HAIL 1 | 5 Nne Cambridge Springs, PA | |
| May 29, 11:47 AM EDT | HAIL 1.75 | Corry, PA | |
| May 29, 11:56 AM EDT | HAIL 1.75 | Spartansburg, PA | |
| May 29, 12:00 PM EDT | HAIL 1 | Corry, PA | |
| May 29, 12:01 PM EDT | HAIL 1.75 | Corry, PA | |
| May 29, 12:20 PM EDT | HAIL 1.25 | Titusville, PA |
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 29, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 3.6 hours before the alert went out and 159 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
- 1123 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
951
WUUS51 KCLE 291537
SVRCLE
PAC039-049-291615-
/O.NEW.KCLE.SV.W.0055.120529T1537Z-120529T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1137 AM EDT TUE MAY 29 2012
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
ERIE COUNTY IN NORTHWEST PENNSYLVANIA
* UNTIL 1215 PM EDT
* AT 1130 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WATERFORD TO 12 MILES SOUTH OF
LINESVILLE...AND MOVING NORTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
UNION CITY...
NORTH EAST...
CORRY...
SPARTANSBURG...
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 4228 7976 4201 7975 4200 7960 4161 7962
4161 7982 4148 8001 4148 8011 4147 8013
4149 8052 4182 8052 4216 8007 4216 8004
TIME...MOT...LOC 1537Z 244DEG 30KT 4195 7986 4152 8028
$$
LAPLANTE2 follow-up statements
779
WWUS51 KCLE 291603
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1203 PM EDT TUE MAY 29 2012
PAC039-049-291615-
/O.CON.KCLE.SV.W.0055.000000T0000Z-120529T1615Z/
CRAWFORD PA-ERIE PA-
1203 PM EDT TUE MAY 29 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...
AT NOON EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CORRY TO 10 MILES SOUTHEAST OF
MEADVILLE...MOVING NORTHEAST AT 30 MPH.
LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
SPARTANSBURG AND TITUSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.
&&
LAT...LON 4228 7976 4201 7975 4200 7960 4161 7962
4161 7982 4148 8001 4148 8011 4147 8013
4149 8052 4182 8052 4216 8007 4216 8004
TIME...MOT...LOC 1603Z 225DEG 28KT 4192 7962 4154 8000
$$
SJAMISON557
WWUS51 KCLE 291611
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1211 PM EDT TUE MAY 29 2012
PAC039-049-291620-
/O.EXP.KCLE.SV.W.0055.000000T0000Z-120529T1615Z/
CRAWFORD PA-ERIE PA-
1211 PM EDT TUE MAY 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR ERIE AND CRAWFORD COUNTIES IN
NORTHWEST PENNSYLVANIA EXPIRES AT 1215 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA. SOME SMALL HAIL...HEAVY RAIN...AND GUSTY WINDS
UPWARDS OF 35 MPH IS STILL POSSIBLE WITH THE REMAINING STORMS AS
THEY MOVE EAST AT 30 MPH.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.
LAT...LON 4228 7976 4201 7975 4200 7960 4161 7962
4161 7982 4148 8001 4148 8011 4147 8013
4149 8052 4182 8052 4216 8007 4216 8004
TIME...MOT...LOC 1610Z 225DEG 28KT 4196 7957 4158 7995
$$
SJAMISONThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:45 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| May 29, 12:19 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 11 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning in 2012
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.