Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 5, NWS Cleveland, OH

January 17, 20124 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jan 17, 2012, 5:01 PM EST for 4 counties in Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 59 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
Jan 17, 2012, 5:01 PM EST (22:01 UTC)
Expired
Jan 17, 2012, 6:00 PM EST
In force
59 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Mahoning County, OH, Portage County, OH, Trumbull County, OH, Crawford County, PA, Erie County, PA

The radar

The Pittsburgh radar (KPBZ), 134 km from the middle of the area, began a volume at 22:05 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
Jan 17, 5:10 PM ESTTSTM WND DMGBristolville, OHTREES AND POWER LINES WERE DOWNED.
Jan 17, 5:12 PM ESTTSTM WND DMGErie, PATREES WERE DOWNED IN THE CITY AS WELL AS MILL CREEK TOWNSHIP.
Jan 17, 5:20 PM ESTTSTM WND DMG6 Sw Kinsman, OHTREES AND POWER LINES WERE DOWNED IN JOHNSTON.
Jan 17, 5:28 PM ESTTSTM WND GST 58Youngstown, OHYOUNGSTOWN WARREN AIRPORT.
Jan 17, 5:33 PM ESTTSTM WND DMGYoungstown, OHTREES DOWNED ON THE EAST SIDE AT WILSON AND RIGBY.
Jan 17, 5:35 PM ESTTSTM WND DMGMeadville, PATREES AND POWER LINES WERE DOWNED IN MEADVILLE AND SEVERAL OTHER LOCATIONS ACROSS THE COUNTY.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.0 hours before the alert went out and 148 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, Pittsburgh, PA at 12:00Z on 2012-01-17Temperature 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, Pittsburgh, PA at 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 565 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
597 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
565 m²/s²
0-3 km storm-relative helicity
544 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.

404 
WUUS51 KCLE 172201
SVRCLE
OHC007-099-133-155-PAC039-049-172300-
/O.NEW.KCLE.SV.W.0005.120117T2201Z-120117T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
501 PM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHERN MAHONING COUNTY IN NORTHEAST OHIO
  EXTREME EASTERN PORTAGE COUNTY IN NORTHEAST OHIO
  TRUMBULL COUNTY IN NORTHEAST OHIO
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
  ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 600 PM EST

* AT 455 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF GUSTY SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING 
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED FROM 
NEAR CONNEAUT TO NEWTON FALLS MOVING EAST MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  YOUNGSTOWN...
  MEADVILLE...
  ERIE...
  ORWELL...
  NILES...
  CORTLAND...
  HUBBARD...
  CAMPBELL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 7978 4162 7982 4148 8001 4148 8051
      4107 8051 4099 8102 4151 8101 4179 8053
      4199 8053 4210 8019 4217 8013 4218 8007
      4216 8006 4228 7976
TIME...MOT...LOC 2200Z 259DEG 49KT 4136 8092

$$

KOSARIK
1 follow-up statement
853 
WWUS51 KCLE 172243
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
543 PM EST TUE JAN 17 2012

OHC007-099-133-155-172252-
/O.CAN.KCLE.SV.W.0005.000000T0000Z-120117T2300Z/
MAHONING OH-PORTAGE OH-TRUMBULL OH-ASHTABULA OH-
543 PM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ASHTABULA...
TRUMBULL...EXTREME EASTERN PORTAGE AND NORTHERN MAHONING COUNTIES IS
CANCELLED...

THE GUSTY SHOWERS AND STORMS HAVE MOVED EAST OF THE AREA.

LAT...LON 4228 7976 4162 7978 4162 7982 4148 8001
      4148 8052 4155 8053 4179 8052 4211 8002
      4217 7992
TIME...MOT...LOC 2242Z 259DEG 49KT 4144 8016

$$

PAC039-049-172300-
/O.CON.KCLE.SV.W.0005.000000T0000Z-120117T2300Z/
CRAWFORD PA-ERIE PA-
543 PM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 537 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF GUSTY SHOWERS AND STORMS CAPABLE OF PRODUCING 
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS WERE LOCATED IN 
EASTERN ERIE COUNTY AND CENTRAL CRAWFORD COUNTY IN NORTHWEST 
PENNSYLVANIA...MOVING EAST AT 55 MPH.


LAT...LON 4228 7976 4162 7978 4162 7982 4148 8001
      4148 8052 4155 8053 4179 8052 4211 8002
      4217 7992
TIME...MOT...LOC 2242Z 259DEG 49KT 4144 8016

$$

KOSARIK

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 4:23 AM ESTGale WarningCLE24 hr
Jan 17, 2:52 PM ESTSevere Thunderstorm WarningCLEErie23 min
Jan 17, 3:12 PM ESTWind AdvisoryCLEAshtabula, Cuyahoga, Lake7 hr
Jan 17, 4:13 PM ESTSevere Thunderstorm WarningCLEGeauga, Lake47 min
Jan 17, 4:26 PM ESTSevere Thunderstorm WarningCLECuyahoga, Geauga, Portage, Summit49 min
Jan 17, 4:32 PM ESTSevere Thunderstorm WarningCLEAshtabula43 min
Jan 17, 5:04 PM ESTRiver Flood WarningCLELorain15 hr
Jan 17, 6:48 AM ESTLake Effect Snow WatchCLECrawford, Erie8 hr
Jan 17, 3:14 PM ESTLake Effect Snow AdvisoryCLECrawford, Erie20 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Severe 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.