Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 17, NWS Cleveland, OH

March 15, 2012Ashland County, Wayne County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 15, 2012, 4:46 PM EDT for Ashland County, Wayne County, Ohio. It was in force for 29 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: Mar 15, 2012, 4:46 PM EDT (20:46 UTC)
Expired: Mar 15, 2012, 5:15 PM EDT
In force: 29 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 76 km from the middle of the area, began a volume at 20:48 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

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 163 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: 40 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 1639 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: -13 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.

116 
WUUS51 KCLE 152046
SVRCLE
OHC005-169-152115-
/O.NEW.KCLE.SV.W.0017.120315T2046Z-120315T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
446 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ASHLAND COUNTY IN NORTH CENTRAL OHIO
  WAYNE COUNTY IN NORTHEAST OHIO

* UNTIL 515 PM EDT

* AT 444 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 NORTHWEST OF SHREVE...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SHREVE...
  WOOSTER...
  ORRVILLE...
  MOUNT EATON...
  DALTON...

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 4067 8225 4090 8220 4087 8165 4067 8165
      4066 8189
TIME...MOT...LOC 2047Z 287DEG 16KT 4079 8212

$$

KUBINA

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 3:10 AM EDT	Severe Thunderstorm Warning	CLE	Hancock	50 min
Mar 15, 3:16 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa	44 min
Mar 15, 3:47 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky	43 min
Mar 15, 4:06 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	54 min
Mar 15, 4:25 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	50 min
Mar 15, 4:29 AM EDT	Severe Thunderstorm Warning	CLE	Knox	46 min
Mar 15, 5:02 AM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	73 min
Mar 15, 5:46 AM EDT	Severe Thunderstorm Warning	CLE	Knox	44 min
Mar 15, 6:05 AM EDT	Areal Flood Advisory	CLE	Ashland, Knox, Richland	4 hr
Mar 15, 7:51 AM EDT	Areal Flood Warning	CLE	Ashland, Knox, Richland	6 hr
Mar 15, 8:22 AM EDT	Special Marine Warning	CLE		83 min
Mar 15, 8:26 AM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Wyandot	38 min
Mar 15, 9:52 AM EDT	Severe Thunderstorm Warning	CLE	Wood	17 min
Mar 15, 5:56 PM EDT	Special Marine Warning	CLE		2 hr
Mar 15, 7:16 PM EDT	Severe Thunderstorm Warning	CLE	Lucas	25 min
Mar 15, 7:57 PM EDT	Special Marine Warning	CLE		2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.