Alert archive / Ohio / Tornado Warnings in 2008

Tornado Warning 3, NWS Cleveland, OH

April 11, 2008Ashland County, Richland County, Ohio

NWS Cleveland, OH issued this tornado warning at Apr 11, 2008, 9:06 PM EDT for Ashland County, Richland County, Ohio. It was in force for 39 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: Apr 11, 2008, 9:06 PM EDT (01:06 UTC)
Expired: Apr 11, 2008, 9:45 PM EDT
In force: 39 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 75 km from the middle of the area, began a volume at 01:06 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 00:00Z, 1.1 hours before the alert went out and 200 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: 176 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1385 m above ground
0-6 km bulk shear: 94 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 376 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCLE 120106
TORCLE
OHC005-139-120145-
/O.NEW.KCLE.TO.W.0003.080412T0106Z-080412T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
906 PM EDT FRI APR 11 2008

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ASHLAND COUNTY IN NORTH CENTRAL OHIO...
  NORTHERN RICHLAND COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 945 PM EDT

* AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ONTARIO...
  OR ABOUT NEAR MANSFIELD...MOVING NORTHEAST AT 64 MPH.

* THE TORNADO WILL BE NEAR...
  ASHLAND BY 915 PM EDT...
  SAVANNAH BY 920 PM EDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4105 8233 4085 8214 4067 8258 4082 8272
TIME...MOT...LOC 0106Z 235DEG 56KT 4081 8252

$$

ASTIFAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 8:10 PM EDT	Tornado Warning	CLE	Marion	35 min
Apr 11, 8:34 PM EDT	Tornado Warning	CLE	Crawford, Marion, Morrow, Richland	41 min
Apr 11, 8:47 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	43 min
Apr 11, 8:51 PM EDT	Special Marine Warning	CLE		114 min
Apr 11, 9:04 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Richland	26 min
Apr 11, 9:06 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Cuyahoga, Erie, Huron, Lorain, Medina	54 min
Apr 11, 9:10 PM EDT	Tornado Warning	CLE	Ashland, Huron, Lorain, Medina	35 min
Apr 11, 9:36 PM EDT	Tornado Warning	CLE	Ashland, Lorain, Medina	39 min
Apr 11, 10:14 PM EDT	Special Marine Warning	CLE		2 hr
Apr 11, 11:17 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Trumbull	42 min

Nearby

Tornado Warnings in Ohio, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.