Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 44, NWS Cleveland, OH

May 13, 2011Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 13, 2011, 2:16 PM EDT for Mahoning County, Ohio. It was in force for 44 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 13, 2011, 2:16 PM EDT (18:16 UTC)
Expired
May 13, 2011, 3:00 PM EDT
In force
44 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 72 km from the middle of the area, began a volume at 18:16 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 13, 2:26 PM EDTTSTM WND DMG10 W Canfield, OHLARGE LIMBS DOWN

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, 6.3 hours before the alert went out and 89 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 2011-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 205 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
205 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1018 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
67 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.

981 
WUUS51 KCLE 131816
SVRCLE
OHC099-131900-
/O.NEW.KCLE.SV.W.0044.110513T1816Z-110513T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
216 PM EDT FRI MAY 13 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAHONING COUNTY IN NORTHEAST OHIO

* UNTIL 300 PM EDT

* AT 213 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 10
  MILES SOUTHWEST OF CANFIELD...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  YOUNGSTOWN...
  CANFIELD...
  BOARDMAN...
  CAMPBELL...

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 4091 8081 4092 8081 4093 8088 4089 8090
      4090 8100 4099 8106 4099 8100 4105 8100
      4114 8080 4113 8051 4099 8051
TIME...MOT...LOC 1817Z 244DEG 20KT 4098 8091

$$

KING
1 follow-up statement
605 
WWUS51 KCLE 131840
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
240 PM EDT FRI MAY 13 2011

OHC099-131900-
/O.CON.KCLE.SV.W.0044.000000T0000Z-110513T1900Z/
MAHONING OH-
240 PM EDT FRI MAY 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR MAHONING COUNTY...

AT 236 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
NEAR CANFIELD...OR 8 MILES NORTH OF SALEM...MOVING NORTHEAST AT 25
MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
AUSTINTOWN...BOARDMAN...YOUNGSTOWN...CAMPBELL...STRUTHERS AND POLAND.

LAT...LON 4091 8081 4092 8081 4096 8084 4097 8089
      4100 8094 4107 8092 4114 8080 4113 8051
      4099 8051
TIME...MOT...LOC 1840Z 244DEG 20KT 4103 8078

$$

LOMBARDY

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 9:03 PM EDTSevere Thunderstorm WarningCLEMarion42 min
May 13, 9:27 AM EDTFlood WatchCLEAshland, Ashtabula, Cuyahoga, Erie, Geauga, Holmes and 12 more14 hr
May 13, 12:52 PM EDTFlash Flood WarningCLECuyahoga, Geauga, Lake5 hr
May 13, 2:23 PM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Lake, Mahoning, Portage, Stark and 1 more5 hr
May 13, 2:34 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull41 min
May 13, 2:56 PM EDTFlash Flood WarningCLEAshtabula, Geauga, Trumbull3 hr
May 13, 3:38 PM EDTAreal Flood AdvisoryCLEAshland, Richland112 min
May 13, 4:13 PM EDTSevere Thunderstorm WarningCLEPortage62 min
May 13, 4:40 PM EDTAreal Flood WarningCLEMedina, Portage, Stark, Summit, Wayne4 hr
May 13, 4:46 PM EDTSevere Thunderstorm WarningCLEMedina, Summit, Wayne28 min
May 13, 5:58 PM EDTAreal Flood WarningCLEAshtabula, Geauga, Trumbull5 hr
May 13, 6:06 PM EDTRiver Flood WarningCLELake5 hr
May 13, 7:26 PM EDTRiver Flood WarningCLEStark4 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 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.