Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 16, NWS Cleveland, OH

April 27, 2011Ashland County, Knox County, Richland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 2011, 12:13 PM EDT for Ashland County, Knox County, Richland County, Ohio. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 27, 2011, 12:13 PM EDT (16:13 UTC)
Expired: Apr 27, 2011, 12:46 PM EDT
In force: 33 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Knox County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 119 km from the middle of the area, began a volume at 16:14 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.2 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 279 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 470 m²/s²
0-3 km storm-relative helicity: 503 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

443 
WUUS51 KCLE 271613
SVRCLE
OHC005-083-139-271700-
/O.NEW.KCLE.SV.W.0016.110427T1613Z-110427T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1213 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ASHLAND COUNTY IN NORTH CENTRAL OHIO
  WESTERN KNOX COUNTY IN NORTH CENTRAL OHIO
  SOUTHEASTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 100 PM EDT

* AT 1209 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
  MOUNT VERNON...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LOUDONVILLE...

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 8261 4032 8272 4035 8270 4035 8265
      4041 8264 4079 8228 4067 8219 4066 8222
      4061 8222 4026 8249
TIME...MOT...LOC 1610Z 216DEG 42KT 4040 8250

$$

FITZ

1 follow-up statement

008 
WWUS51 KCLE 271646
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1246 PM EDT WED APR 27 2011

OHC005-083-139-271656-
/O.CAN.KCLE.SV.W.0016.000000T0000Z-110427T1700Z/
ASHLAND OH-KNOX OH-RICHLAND OH-
1246 PM EDT WED APR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR RICHLAND...KNOX AND ASHLAND
COUNTIES IS CANCELLED...

THE GENERAL PUBLIC REPORTED WIND DAMAGE IN MANSFIELD.  

LAT...LON 4026 8261 4032 8272 4035 8270 4035 8265
      4041 8264 4079 8228 4067 8219 4066 8222
      4061 8222 4026 8249
TIME...MOT...LOC 1646Z 216DEG 42KT 4074 8217

$$

KUBINA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 11:25 AM EDT	Tornado Warning	CLE	Lucas, Wood	17 min
Apr 27, 11:56 AM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow, Richland	49 min
Apr 27, 12:34 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Lorain	41 min
Apr 27, 12:51 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain, Medina, Wayne	39 min
Apr 27, 1:04 PM EDT	Special Marine Warning	CLE		116 min
Apr 27, 1:19 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina, Summit	41 min
Apr 27, 1:40 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	50 min
Apr 27, 2:26 PM EDT	Special Marine Warning	CLE		64 min
Apr 27, 2:27 PM EDT	Small Craft Advisory	CLE		7 hr
Apr 27, 4:53 PM EDT	River Flood Warning	CLE	Mahoning	5 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.