Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 149, NWS Cleveland, OH

June 10, 2011Knox County, Morrow County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 10, 2011, 8:35 PM EDT for Knox County, Morrow County, Ohio. It was in force for 40 min. 3 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 10, 2011, 8:35 PM EDT (00:35 UTC)
Expired
Jun 10, 2011, 9:15 PM EDT
In force
40 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Knox County, OH, Morrow County, OH

The radar

The Cleveland radar (KCLE), 128 km from the middle of the area, began a volume at 00:35 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 10, 8:45 PM EDTTSTM WND DMG10 Ne Mount Gilead, OHSPOTTER REPORTED SEVERAL LARGE TREE BRANCHES AND ROAD SIGNS DOWN.
Jun 10, 8:45 PM EDTHAIL 110 Ne Mount Gilead, OHSPOTTER REPORTED PEA TO QUARTER SIZE HAIL.
Jun 10, 8:49 PM EDTTSTM WND GST 608 Nw Fredericktown, OH

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 6:44 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 221 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 00:00Z on 2011-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 967 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 00:00Z on 2011-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
967 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

571 
WUUS51 KCLE 110035
SVRCLE
OHC083-117-110115-
/O.NEW.KCLE.SV.W.0149.110611T0035Z-110611T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
835 PM EDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN NORTH CENTRAL OHIO
  MORROW COUNTY IN NORTH CENTRAL OHIO

* UNTIL 915 PM EDT

* AT 831 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM MOUNT GILEAD TO SPARTA TO 11
  MILES SOUTHWEST OF CENTERBURG...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOUNT VERNON...
  FREDERICKTOWN...
  GAMBIER...
  DANVILLE...

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 4026 8253 4027 8273 4028 8276 4035 8276
      4036 8293 4041 8293 4042 8302 4048 8301
      4049 8296 4064 8296 4064 8287 4071 8285
      4071 8263 4064 8265 4063 8262 4055 8262
      4057 8218 4024 8220 4024 8244
TIME...MOT...LOC 0036Z 269DEG 21KT 4061 8275 4041 8269
          4016 8276

$$

KUBINA
2 follow-up statements
789 
WWUS51 KCLE 110105
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
905 PM EDT FRI JUN 10 2011

OHC117-110115-
/O.CAN.KCLE.SV.W.0149.000000T0000Z-110611T0115Z/
MORROW OH-
905 PM EDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR MORROW COUNTY IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
SATURDAY MORNING FOR NORTHERN OHIO.

LAT...LON 4024 8244 4026 8253 4027 8273 4028 8276
      4035 8275 4035 8265 4036 8264 4055 8264
      4055 8234 4057 8218 4024 8220
TIME...MOT...LOC 0105Z 270DEG 25KT 4053 8240 4043 8238
          4026 8247

$$

OHC083-110115-
/O.CON.KCLE.SV.W.0149.000000T0000Z-110611T0115Z/
KNOX OH-
905 PM EDT FRI JUN 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR KNOX COUNTY...

AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
FREDERICKTOWN TO GAMBIER TO 8 MILES WEST OF MARTINSBURG...MOVING EAST
AT 30 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
MARTINSBURG...DANVILLE AND GANN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
SATURDAY MORNING FOR NORTHERN OHIO.

&&

LAT...LON 4024 8244 4026 8253 4027 8273 4028 8276
      4035 8275 4035 8265 4036 8264 4055 8264
      4055 8234 4057 8218 4024 8220
TIME...MOT...LOC 0105Z 270DEG 25KT 4053 8240 4043 8238
          4026 8247

$$

MITCHELL
090 
WWUS51 KCLE 110117
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
917 PM EDT FRI JUN 10 2011

OHC083-110127-
/O.EXP.KCLE.SV.W.0149.000000T0000Z-110611T0115Z/
KNOX OH-
917 PM EDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR KNOX COUNTY EXPIRES AT 915 PM
EDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
SATURDAY MORNING FOR NORTHERN OHIO.

LAT...LON 4024 8244 4026 8253 4027 8273 4028 8276
      4035 8275 4035 8265 4036 8264 4055 8264
      4055 8234 4057 8218 4024 8220
TIME...MOT...LOC 0105Z 270DEG 25KT 4053 8240 4043 8238
          4026 8247

$$

MITCHELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:00 PM EDTSevere Thunderstorm WarningCLEAshland, Stark, Wayne45 min
Jun 10, 9:23 PM EDTAreal Flood AdvisoryCLEHolmes, Knox4 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.