Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 112, NWS Cleveland, OH

June 4, 2011Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 4, 2011, 12:02 PM EDT for Erie County, Pennsylvania. It was in force for 58 min. 9 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
Jun 4, 2011, 12:02 PM EDT (16:02 UTC)
Expired
Jun 4, 2011, 1:00 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Erie County, PA

The radar

The Buffalo radar (KBUF), 137 km from the middle of the area, began a volume at 16:04 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
Jun 4, 12:15 PM EDTHAIL 1.252 Ssw Erie, PAHAIL WAS IN MILL CREEK.
Jun 4, 12:15 PM EDTHAIL 1.25Erie, PA
Jun 4, 12:17 PM EDTHAIL 1Erie, PA
Jun 4, 12:17 PM EDTHAIL 1.75Erie, PA
Jun 4, 12:18 PM EDTTSTM WND DMGErie, PASOME TREES DOWN.
Jun 4, 12:20 PM EDTHAIL 1Erie, PA
Jun 4, 12:35 PM EDTTSTM WND DMGWaterford, PASOME TREES DOWN.
Jun 4, 12:35 PM EDTHAIL 1Waterford, PA
Jun 4, 12:40 PM EDTTSTM WND DMGMill Village, PASOME TREES DOWN.

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, 4.0 hours before the alert went out and 138 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 2011-06-04Temperature 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 2011-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.19395878Sfc1 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
2167 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
188 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.

746 
WUUS51 KCLE 041602
SVRCLE
PAC049-041700-
/O.NEW.KCLE.SV.W.0112.110604T1602Z-110604T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1202 PM EDT SAT JUN 4 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 100 PM EDT

* AT NOON 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 7 MILES
  NORTHWEST OF ERIE...AND MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ERIE...
  NORTH EAST...
  EDINBORO...
  WATERFORD...
  UNION CITY...
  CORRY...

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 7964 4189 7960
      4185 7961 4185 8011 4202 8039 4210 8019
      4217 8013 4218 8007 4216 8006 4223 7989
TIME...MOT...LOC 1602Z 302DEG 40KT 4219 8015

$$

KIELTYKA
1 follow-up statement
418 
WWUS51 KCLE 041656
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1256 PM EDT SAT JUN 4 2011

PAC049-041706-
/O.EXP.KCLE.SV.W.0112.000000T0000Z-110604T1700Z/
ERIE PA-
1256 PM EDT SAT JUN 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR ERIE COUNTY IN NORTHWEST
PENNSYLVANIA EXPIRES AT 100 PM EDT...

LAT...LON 4228 7976 4201 7975 4200 7964 4189 7960
      4185 7961 4185 8011 4202 8039 4210 8019
      4217 8013 4218 8007 4216 8006 4223 7989
TIME...MOT...LOC 1656Z 302DEG 40KT 4187 7947

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 12:24 PM EDTTornado WarningCLEErie38 min
Jun 4, 12:37 PM EDTSevere Thunderstorm WarningCLECrawford38 min

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.