Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 6, NWS Cleveland, OH

March 12, 2012Lucas County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 12, 2012, 11:37 PM EDT for Lucas County, Ohio. It was in force for 53 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 12, 2012, 11:37 PM EDT (03:37 UTC)
Expired
Mar 13, 2012, 12:30 AM EDT
In force
53 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Lucas County, OH

The radar

The Detroit radar (KDTX), 117 km from the middle of the area, began a volume at 03:38 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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 12, 7:36 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.6 hours before the alert went out and 119 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, Detroit, MI at 00:00Z on 2012-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Detroit, MI at 00:00Z on 2012-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 434 square meters per square second.1939587897Sfc1 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
6 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
434 m²/s²
0-3 km storm-relative helicity
589 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.

837 
WUUS51 KCLE 130337
SVRCLE
OHC095-130430-
/O.NEW.KCLE.SV.W.0006.120313T0337Z-120313T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1137 PM EDT MON MAR 12 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LUCAS COUNTY IN NORTHWEST OHIO

* UNTIL 1230 AM EDT

* AT 1130 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
  HOLLAND...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOLEDO...
  OREGON...

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...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY!

&&

LAT...LON 4172 8387 4174 8345 4172 8342 4170 8342
      4169 8338 4170 8330 4164 8321 4163 8316
      4162 8357 4157 8362 4153 8371 4149 8388
TIME...MOT...LOC 0335Z 270DEG 45KT 4165 8372

$$

CLARK
3 follow-up statements
771 
WWUS51 KCLE 130352
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1152 PM EDT MON MAR 12 2012

OHC095-130430-
/O.CON.KCLE.SV.W.0006.000000T0000Z-120313T0430Z/
LUCAS OH-
1152 PM EDT MON MAR 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR LUCAS COUNTY...

AT 1148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY 
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM HARBOR VIEW TO TOLEDO TO 
HOLLAND...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...RURAL
EASTERN LUCAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT TUESDAY MORNING
FOR NORTHWEST OHIO.

&&

LAT...LON 4172 8387 4174 8345 4172 8342 4170 8342
      4169 8338 4170 8330 4164 8321 4163 8316
      4162 8357 4157 8362 4153 8371 4149 8388
TIME...MOT...LOC 0351Z 265DEG 46KT 4174 8342 4167 8350
          4161 8369

$$

CLARK
321 
WWUS51 KCLE 130417
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1217 AM EDT TUE MAR 13 2012

OHC095-130430-
/O.CON.KCLE.SV.W.0006.000000T0000Z-120313T0430Z/
LUCAS OH-
1217 AM EDT TUE MAR 13 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR LUCAS COUNTY...

AT 1214 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES EAST OF OREGON TO WHITEHOUSE...MOVING EAST AT
40 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...RURAL 
SOUTHERN AND EASTERN LUCAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT TUESDAY MORNING
FOR NORTHWEST OHIO.

&&

LAT...LON 4172 8387 4174 8345 4172 8342 4170 8342
      4169 8338 4170 8330 4164 8321 4163 8316
      4162 8357 4157 8362 4153 8371 4149 8388
TIME...MOT...LOC 0416Z 263DEG 41KT 4167 8327 4154 8376

$$
873 
WWUS51 KCLE 130431
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1231 AM EDT TUE MAR 13 2012

OHC095-130440-
/O.EXP.KCLE.SV.W.0006.000000T0000Z-120313T0430Z/
LUCAS OH-
1231 AM EDT TUE MAR 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR LUCAS COUNTY EXPIRES AT 1230
AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER 
APPEARED TO BE SEVERE...HOWEVER LOCALLY HEAVY RAIN AND WIND GUSTS TO 
40 MPH ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT TUESDAY MORNING
FOR NORTHWEST OHIO.

LAT...LON 4172 8387 4174 8345 4172 8342 4170 8342
      4169 8338 4170 8330 4164 8321 4163 8316
      4162 8357 4157 8362 4153 8371 4149 8388
TIME...MOT...LOC 0430Z 263DEG 41KT 4169 8306 4156 8355

$$

CLARK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 11:41 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.