Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 183, NWS Cleveland, OH

September 22, 2012Ashtabula County, Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 22, 2012, 4:27 PM EDT for Ashtabula County, Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 63 min. 7 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
Sep 22, 2012, 4:27 PM EDT (20:27 UTC)
Expired
Sep 22, 2012, 5:30 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Crawford County, PA, Erie County, PA

The radar

The Buffalo radar (KBUF), 149 km from the middle of the area, began a volume at 20:27 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
Sep 22, 4:27 PM EDTTSTM WND DMG2 Nw Jefferson, OHA FEW LARGE LIMBS DOWN.
Sep 22, 4:27 PM EDTHAIL 1Jefferson, OH
Sep 22, 4:30 PM EDTHAIL 1Jefferson, OH
Sep 22, 4:45 PM EDTHAIL 0.75Pierpont, OH
Sep 22, 5:00 PM EDTHAIL 1Springboro, PAHAIL LASTED 5 MINUTES.
Sep 22, 5:32 PM EDTTSTM WND DMG2 E Jefferson, OHTREE DOWN IN JEFFERSON TOWNSHIP.
Sep 22, 5:35 PM EDTTSTM WND DMG5 E Jefferson, OHTREE DOWN IN DENMARK TOWNSHIP.

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, 8.5 hours before the alert went out and 150 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 2012-09-22Temperature 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°0°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 2012-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -110 square meters per square second.1939587897117Sfc1 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
698 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-110 m²/s²
0-3 km storm-relative helicity
17 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.

166 
WUUS51 KCLE 222027
SVRCLE
OHC007-PAC039-049-222130-
/O.NEW.KCLE.SV.W.0183.120922T2027Z-120922T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
427 PM EDT SAT SEP 22 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHWESTERN CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
  ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 530 PM EDT

* AT 424 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
  JEFFERSON...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ERIE...
  NORTH KINGSVILLE...
  CONNEAUT...
  ALBION...
  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 4201 7975 4200 7961 4185 7962 4185 7987
      4161 8082 4184 8090 4200 8049 4210 8019
      4217 8011 4218 8009 4216 8006 4227 7979
      4227 7976
TIME...MOT...LOC 2027Z 252DEG 37KT 4178 8074

$$

KIELTYKA
3 follow-up statements
615 
WWUS51 KCLE 222048
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
448 PM EDT SAT SEP 22 2012

OHC007-PAC039-049-222130-
/O.CON.KCLE.SV.W.0183.000000T0000Z-120922T2130Z/
CRAWFORD PA-ASHTABULA OH-ERIE PA-
448 PM EDT SAT SEP 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN ASHTABULA COUNTY IN NORTHEAST OHIO...AND ERIE AND
NORTHWESTERN CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
9 MILES NORTHEAST OF JEFFERSON...MOVING EAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
ALBION...EDINBORO AND WATERFORD.

LAT...LON 4201 7975 4200 7961 4185 7962 4185 7987
      4168 8054 4166 8070 4185 8080 4200 8049
      4210 8019 4217 8011 4218 8009 4216 8006
      4227 7979 4227 7976
TIME...MOT...LOC 2047Z 259DEG 29KT 4182 8054

$$

WILLARD
836 
WWUS51 KCLE 222119
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
519 PM EDT SAT SEP 22 2012

OHC007-222129-
/O.CAN.KCLE.SV.W.0183.000000T0000Z-120922T2130Z/
ASHTABULA OH-
519 PM EDT SAT SEP 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ASHTABULA COUNTY
IS CANCELLED...

LAT...LON 4169 8050 4170 8051 4190 8050 4194 7978
      4193 7963 4185 7962 4185 7987 4170 8048
TIME...MOT...LOC 2119Z 268DEG 28KT 4179 8021

$$

PAC039-049-222130-
/O.CON.KCLE.SV.W.0183.000000T0000Z-120922T2130Z/
CRAWFORD PA-ERIE PA-
519 PM EDT SAT SEP 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHERN ERIE AND NORTHWESTERN CRAWFORD COUNTIES IN NORTHWEST
PENNSYLVANIA...

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
12 MILES NORTHWEST OF MEADVILLE...MOVING EAST AT 35 MPH.

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

LAT...LON 4169 8050 4170 8051 4190 8050 4194 7978
      4193 7963 4185 7962 4185 7987 4170 8048
TIME...MOT...LOC 2119Z 268DEG 28KT 4179 8021

$$

WILLARD
552 
WWUS51 KCLE 222133
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
533 PM EDT SAT SEP 22 2012

PAC039-049-222143-
/O.EXP.KCLE.SV.W.0183.000000T0000Z-120922T2130Z/
CRAWFORD PA-ERIE PA-
533 PM EDT SAT SEP 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ERIE AND NORTHWESTERN
CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA EXPIRED AT 530 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

LAT...LON 4169 8050 4170 8051 4190 8050 4194 7978
      4193 7963 4185 7962 4185 7987 4170 8048
TIME...MOT...LOC 2119Z 268DEG 28KT 4179 8021

$$

WILLARD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 10:07 PM EDTSmall Craft AdvisoryCLE47 hr
Sep 22, 4:54 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull49 min
Sep 22, 5:43 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull30 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2012Severe Thunderstorm Warnings in Ohio, 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.