Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 27, NWS Cleveland, OH

May 12, 2011Ashland County, Richland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 12, 2011, 5:11 AM EDT for Ashland County, Richland County, Ohio. It was in force for 49 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 12, 2011, 5:11 AM EDT (09:11 UTC)
Expired: May 12, 2011, 6:00 AM EDT
In force: 49 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 68 km from the middle of the area, began a volume at 09:12 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

Time	Report	Where	Remark
May 12, 5:15 AM EDT	HAIL 1.25	Ashland, OH

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 00:00Z, 9.2 hours before the alert went out and 196 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3225 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 83 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.

976 
WUUS51 KCLE 120911
SVRCLE
OHC005-139-121000-
/O.NEW.KCLE.SV.W.0027.110512T0911Z-110512T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
511 AM EDT THU MAY 12 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ASHLAND COUNTY IN NORTH CENTRAL OHIO
  NORTHEASTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 600 AM EDT

* AT 507 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR ASHLAND...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHLAND...
  HAYESVILLE...
  POLK...

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 4081 8241 4085 8248 4100 8248 4099 8244
      4100 8243 4100 8217 4099 8217 4099 8213
      4072 8212
TIME...MOT...LOC 0911Z 279DEG 12KT 4089 8239

$$

KOSARIK

1 follow-up statement

218 
WWUS51 KCLE 120934
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
534 AM EDT THU MAY 12 2011

OHC005-139-121000-
/O.CON.KCLE.SV.W.0027.000000T0000Z-110512T1000Z/
ASHLAND OH-RICHLAND OH-
534 AM EDT THU MAY 12 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EDT
FOR NORTHEASTERN RICHLAND AND CENTRAL ASHLAND COUNTIES...

AT ABOUT 515 AM THE PUBLIC REPORTED HAIL 1.25 INCHES IN DIAMETER 
WITH THIS STORM. LARGE HAIL REMAINS LIKELY WITH THIS STORM. THE 
STORM WAS LOCATED NEAR ASHLAND...MOVING EAST AT 15 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
HAYESVILLE...POLK AND JEROMESVILLE.

LAT...LON 4081 8241 4085 8248 4100 8248 4099 8244
      4100 8243 4100 8217 4099 8217 4099 8213
      4072 8212
TIME...MOT...LOC 0933Z 279DEG 12KT 4088 8229

$$

KOSARIK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 6:03 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Wayne	57 min
May 12, 7:02 AM EDT	Severe Thunderstorm Warning	CLE	Holmes	58 min
May 12, 8:23 AM EDT	Special Marine Warning	CLE		82 min
May 12, 2:50 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Lorain	40 min
May 12, 3:33 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	42 min
May 12, 3:34 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Richland, Seneca	56 min
May 12, 3:44 PM EDT	Flash Flood Warning	CLE	Ashtabula, Geauga, Lake	3 hr
May 12, 3:50 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina, Wayne	55 min
May 12, 3:54 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	51 min
May 12, 3:56 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Portage, Summit	64 min
May 12, 4:08 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina, Summit	67 min
May 12, 4:11 PM EDT	Areal Flood Advisory	CLE	Ashland, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more	10 hr
May 12, 4:14 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	46 min
May 12, 4:19 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	41 min
May 12, 4:26 PM EDT	Areal Flood Warning	CLE	Erie, Huron	3 hr
May 12, 4:39 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Portage, Trumbull	51 min
May 12, 4:45 PM EDT	Severe Thunderstorm Warning	CLE	Geauga	45 min
May 12, 4:58 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina, Wayne	47 min
May 12, 5:27 PM EDT	Areal Flood Advisory	CLE	Mahoning, Trumbull	9 hr
May 12, 5:29 PM EDT	River Flood Warning	CLE	Erie, Huron	7 hr
May 12, 5:43 PM EDT	Special Marine Warning	CLE		77 min
May 12, 5:58 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	47 min
May 12, 6:38 PM EDT	Areal Flood Advisory	CLE	Sandusky, Seneca	3 hr
May 12, 6:43 PM EDT	Areal Flood Warning	CLE	Geauga, Lake	4 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.