Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 11, NWS Cleveland, OH

March 15, 2012Erie County, Huron County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 15, 2012, 4:25 AM EDT for Erie County, Huron County, Ohio. It was in force for 50 min. 2 reports 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
Mar 15, 2012, 4:25 AM EDT (08:25 UTC)
Expired
Mar 15, 2012, 5:15 AM EDT
In force
50 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Erie County, OH, Huron County, OH

The radar

The Cleveland radar (KCLE), 65 km from the middle of the area, began a volume at 08:25 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

TimeReportWhereRemark
Mar 15, 4:28 AM EDTHAIL 1Monroeville, OH
Mar 15, 4:35 AM EDTHAIL 12 W Norwalk, OH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 8.4 hours before the alert went out and 164 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 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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, Detroit, MI at 00:00Z 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
142 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
2055 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

145 
WUUS51 KCLE 150825
SVRCLE
OHC043-077-150915-
/O.NEW.KCLE.SV.W.0011.120315T0825Z-120315T0915Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ERIE COUNTY IN NORTH CENTRAL OHIO
  HURON COUNTY IN NORTH CENTRAL OHIO

* UNTIL 515 AM EDT

* AT 420 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.
  THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF NORWALK...AND MOVING   
  EAST AT 20 MPH. ANOTHER SEVERE THUNDERSTORMS WAS LOCATED OVER      
  NORTHERN SANDUSKY COUNTY AND MAY MOVE INTO THE CITY OF SANDUSKY.   
  QUARTER HAIL IS ALSO POSSIBLE WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  NORWALK...
  FITCHVILLE...
  MILAN...
  WAKEMAN...
  NEW LONDON...

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 4148 8281 4145 8276 4147 8271 4142 8259
      4139 8251 4139 8247 4143 8235 4107 8234
      4104 8283 4145 8285
TIME...MOT...LOC 0824Z 264DEG 19KT 4119 8270

$$

MULLEN
2 follow-up statements
132 
WWUS51 KCLE 150847
SVSCLE

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

OHC043-077-150915-
/O.CON.KCLE.SV.W.0011.000000T0000Z-120315T0915Z/
HURON OH-ERIE OH-
447 AM EDT THU MAR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM EDT
FOR ERIE AND NORTHERN HURON COUNTIES IN NORTH CENTRAL OHIO...

AT 434 AM...SPOTTERS REPORTED ONE AND A QUARTER INCH HAIL IN NORWALK.

AT 442 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED NEAR NORWALK...MOVING EAST AT 25 MPH.
SEVERE HAIL MAY ALSO OCCUR WITH ADDITIONAL THUNDERSTORMS OVER ERIE 
COUNTY TO THE SOUTH OF SANDUSKY.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...BERLIN
HEIGHTS...HURON AND WAKEMAN.

LAT...LON 4148 8281 4145 8276 4147 8271 4139 8251
      4139 8247 4143 8235 4107 8234 4111 8272
      4144 8285 4145 8285
TIME...MOT...LOC 0845Z 249DEG 22KT 4125 8256

$$

MULLEN
132 
WWUS51 KCLE 150915
SVSCLE

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

OHC043-077-150924-
/O.EXP.KCLE.SV.W.0011.000000T0000Z-120315T0915Z/
HURON OH-ERIE OH-
515 AM EDT THU MAR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR ERIE AND NORTHERN HURON
COUNTIES IN NORTH CENTRAL OHIO EXPIRES AT 515 AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND DOES NOT 
APPEAR TO BE SEVERE. HOWEVER SMALL HAIL AND HEAVY RAIN ARE STILL 
POSSIBLE WITH THIS THUNDERSTORMS OVER EASTERN ERIE COUNTY.  

LAT...LON 4148 8281 4145 8276 4147 8271 4139 8251
      4139 8247 4143 8235 4107 8234 4111 8272
      4144 8285 4145 8285
TIME...MOT...LOC 0914Z 249DEG 22KT 4131 8234

$$

MULLEN

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, 4:29 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, 8:26 AM EDTSevere Thunderstorm WarningCLECrawford, Marion, Wyandot38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.