Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 15, NWS Cleveland, OH

March 15, 2012Crawford County, Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 15, 2012, 8:26 AM EDT for Crawford County, Marion County, Wyandot County, Ohio. It was in force for 38 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, 8:26 AM EDT (12:26 UTC)
Expired
Mar 15, 2012, 9:04 AM EDT
In force
38 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Crawford County, OH, Marion County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 138 km from the middle of the area, began a volume at 12:27 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, 0.4 hours before the alert went out and 148 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, Cncnati-Daytn, OH at 12:00Z on 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1236 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
1236 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
137 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.

946 
WUUS51 KCLE 151226
SVRCLE
OHC033-101-175-151330-
/O.NEW.KCLE.SV.W.0015.120315T1226Z-120315T1330Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTH CENTRAL OHIO
  MARION COUNTY IN NORTH CENTRAL OHIO
  WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 930 AM EDT

* AT 823 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  SYCAMORE TO MARION...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUCYRUS...
  CHATFIELD...
  NEW WASHINGTON...
  GALION...
  CRESTLINE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY!

&&

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 4045 8325 4051 8325 4051 8342 4068 8342
      4070 8350 4082 8351 4090 8352 4091 8348
      4099 8345 4099 8272 4071 8273 4071 8285
      4065 8287 4064 8296 4049 8296 4049 8301
      4043 8302
TIME...MOT...LOC 1226Z 261DEG 24KT 4093 8319 4063 8317

$$

SJAMISON
1 follow-up statement
612 
WWUS51 KCLE 151304
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
904 AM EDT THU MAR 15 2012

OHC033-101-175-151313-
/O.CAN.KCLE.SV.W.0015.000000T0000Z-120315T1330Z/
WYANDOT OH-CRAWFORD OH-MARION OH-
904 AM EDT THU MAR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR MARION AND CRAWFORD COUNTIES
IN NORTH CENTRAL OHIO...AND WYANDOT COUNTY IN NORTHWEST OHIO IS
CANCELLED...

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

LAT...LON 4045 8325 4051 8325 4051 8342 4068 8342
      4070 8350 4082 8351 4090 8352 4091 8348
      4099 8345 4099 8272 4071 8273 4071 8285
      4065 8287 4064 8296 4049 8296 4049 8301
      4043 8302
TIME...MOT...LOC 1303Z 261DEG 24KT 4097 8287 4067 8285

$$

SJAMISON

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 3:10 AM EDTSevere Thunderstorm WarningCLEHancock50 min
Mar 15, 3:16 AM EDTSevere Thunderstorm WarningCLEOttawa44 min
Mar 15, 3:47 AM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky43 min
Mar 15, 4:06 AM EDTSevere Thunderstorm WarningCLEAshland, Richland54 min
Mar 15, 4:25 AM EDTSevere Thunderstorm WarningCLEErie, Huron50 min
Mar 15, 4:29 AM EDTSevere Thunderstorm WarningCLEKnox46 min
Mar 15, 5:02 AM EDTSevere Thunderstorm WarningCLELorain, Medina73 min
Mar 15, 5:46 AM EDTSevere Thunderstorm WarningCLEKnox44 min
Mar 15, 6:05 AM EDTAreal Flood AdvisoryCLEAshland, Knox, Richland4 hr
Mar 15, 7:51 AM EDTAreal Flood WarningCLEAshland, Knox, Richland6 hr
Mar 15, 8:22 AM EDTSpecial Marine WarningCLE83 min
Mar 15, 9:52 AM EDTSevere Thunderstorm WarningCLEWood17 min
Mar 15, 4:46 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne29 min
Mar 15, 5:56 PM EDTSpecial Marine WarningCLE2 hr
Mar 15, 7:16 PM EDTSevere Thunderstorm WarningCLELucas25 min
Mar 15, 7:57 PM EDTSpecial Marine WarningCLE2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Every 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.