Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 30, NWS Cleveland, OH

May 3, 2012Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at May 3, 2012, 12:39 PM EDT for Erie County, Pennsylvania. It was in force for 36 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 3, 2012, 12:39 PM EDT (16:39 UTC)
Expired
May 3, 2012, 1:15 PM EDT
In force
36 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Erie County, PA

The radar

The Cleveland radar (KCLE), 142 km from the middle of the area, began a volume at 16:39 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

TimeReportWhereRemark
May 3, 12:44 PM EDTHAIL 1Cranesville, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.7 hours before the alert went out and 171 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2012-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

367 
WUUS51 KCLE 031639
SVRCLE
PAC049-031715-
/O.NEW.KCLE.SV.W.0030.120503T1639Z-120503T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1239 PM EDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 115 PM EDT

* AT 1233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ALBION...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GIRARD...
  EDINBORO...

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 4186 8003 4184 8028 4185 8051 4193 8053
      4198 8052 4201 8045 4206 8029 4213 8013
TIME...MOT...LOC 1639Z 262DEG 18KT 4193 8039

$$

KING
2 follow-up statements
301 
WWUS51 KCLE 031659
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1259 PM EDT THU MAY 3 2012

PAC049-031715-
/O.CON.KCLE.SV.W.0030.000000T0000Z-120503T1715Z/
ERIE PA-
1259 PM EDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR WESTERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA...

AT 1256 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR GIRARD...OR 17 MILES SOUTHWEST OF ERIE...
MOVING EAST AT 20 MPH.

THE PUBLIC REPORTED AT 1244 PM IN THE TOWN OF CRANESVILLE ONE INCH 
HAIL.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
EDINBORO.

LAT...LON 4213 8013 4186 8003 4184 8023 4185 8029
      4189 8036 4196 8037 4206 8029
TIME...MOT...LOC 1658Z 265DEG 19KT 4193 8027

$$

LAPLANTE
058 
WWUS51 KCLE 031715
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
115 PM EDT THU MAY 3 2012

PAC049-031724-
/O.EXP.KCLE.SV.W.0030.000000T0000Z-120503T1715Z/
ERIE PA-
115 PM EDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ERIE COUNTY IN
NORTHWEST PENNSYLVANIA EXPIRES AT 115 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4213 8013 4186 8003 4184 8023 4185 8029
      4189 8036 4196 8037 4206 8029
TIME...MOT...LOC 1714Z 265DEG 19KT 4194 8016

$$

LAPLANTE

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 3, 1:25 PM EDTSevere Thunderstorm WarningCLEErie40 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.