Alert archive / Ohio / Tornado Warnings in 2008

Tornado Warning 5, NWS Cleveland, OH

April 11, 2008Ashland County, Lorain County, Medina County, Ohio

NWS Cleveland, OH issued this tornado warning at Apr 11, 2008, 9:36 PM EDT for Ashland County, Lorain County, Medina 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, 9:36 PM EDT (01:36 UTC)
Expired
Apr 11, 2008, 10:15 PM EDT
In force
39 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashland County, OH, Lorain County, OH, Medina County, OH

The radar

The Cleveland radar (KCLE), 28 km from the middle of the area, began a volume at 01:35 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 00:00Z, 1.6 hours before the alert went out and 174 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, Pittsburgh, PA at 00:00Z on 2008-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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, Pittsburgh, PA at 00:00Z on 2008-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 478 square meters per square second.1939587897117Sfc1 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
81 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
478 m²/s²
0-3 km storm-relative helicity
520 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCLE 120136
TORCLE
OHC005-093-103-120215-
/O.NEW.KCLE.TO.W.0005.080412T0136Z-080412T0215Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHEASTERN ASHLAND COUNTY IN NORTH CENTRAL OHIO...
  SOUTHEASTERN LORAIN COUNTY IN NORTH CENTRAL OHIO...
  MEDINA COUNTY IN NORTHEAST OHIO...

* UNTIL 1015 PM EDT

* AT 930 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES WEST OF
  LODI...OR ABOUT 12 MILES NORTHEAST OF ASHLAND...MOVING NORTHEAST AT
  60 MPH.

* THE TORNADO WILL BE NEAR...
  MEDINA AND 6 MILES SOUTHEAST OF LITCHFIELD BY 950 PM EDT...
  BRUNSWICK BY 955 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 4128 8190 4126 8168 4113 8170 4098 8205
      4107 8221
TIME...MOT...LOC 0136Z 235DEG 52KT 4105 8206

$$

ASTIFAN
2 follow-up statements
000 
WWUS51 KCLE 120202
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1001 PM EDT FRI APR 11 2008

OHC005-093-120211-
/O.CAN.KCLE.TO.W.0005.000000T0000Z-080412T0215Z/
ASHLAND OH-LORAIN OH-
1001 PM EDT FRI APR 11 2008

...THE TORNADO WARNING FOR SOUTHEASTERN LORAIN AND EXTREME
NORTHEASTERN ASHLAND COUNTIES IS CANCELLED...

LAT...LON 4102 8213 4126 8175 4126 8169 4125 8169
      4113 8170 4105 8189 4103 8193 4103 8196
      4101 8198 4098 8206
TIME...MOT...LOC 0201Z 245DEG 49KT 4119 8164

$$

OHC103-120215-
/O.CON.KCLE.TO.W.0005.000000T0000Z-080412T0215Z/
MEDINA OH-
1001 PM EDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR MEDINA
COUNTY...

AT 1000 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION WITH A THUNDERSTORM LOCATED 11 MILES EAST 
OF MEDINA...OR ABOUT 10 MILES NORTHWEST OF AKRON...MOVING NORTHEAST 
AT 45 MPH.

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 4102 8213 4126 8175 4126 8169 4125 8169
      4113 8170 4105 8189 4103 8193 4103 8196
      4101 8198 4098 8206
TIME...MOT...LOC 0201Z 245DEG 49KT 4119 8164

$$

ASTIFAN
000 
WWUS51 KCLE 120214
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1014 PM EDT FRI APR 11 2008

OHC103-120224-
/O.EXP.KCLE.TO.W.0005.000000T0000Z-080412T0215Z/
MEDINA OH-
1014 PM EDT FRI APR 11 2008

...THE TORNADO WARNING FOR MEDINA COUNTY EXPIRES AT 1015 PM EDT...

THE STORMS HAVE MOVED EAST OF MEDINA COUNTY...AND THE SEVERE THREAT 
HAS ENDED IN THE WARNED AREA.

LAT...LON 4102 8213 4126 8175 4126 8169 4125 8169
      4113 8170 4105 8189 4103 8193 4103 8196
      4101 8198 4098 8206
TIME...MOT...LOC 0214Z 245DEG 49KT 4126 8142

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 8:10 PM EDTTornado WarningCLEMarion35 min
Apr 11, 8:34 PM EDTTornado WarningCLECrawford, Marion, Morrow, Richland41 min
Apr 11, 8:47 PM EDTSevere Thunderstorm WarningCLEErie, Huron43 min
Apr 11, 8:51 PM EDTSpecial Marine WarningCLE114 min
Apr 11, 9:04 PM EDTSevere Thunderstorm WarningCLEAshland, Huron, Richland26 min
Apr 11, 9:06 PM EDTSevere Thunderstorm WarningCLEAshland, Cuyahoga, Erie, Huron, Lorain, Medina54 min
Apr 11, 9:06 PM EDTTornado WarningCLEAshland, Richland39 min
Apr 11, 9:10 PM EDTTornado WarningCLEAshland, Huron, Lorain, Medina35 min
Apr 11, 10:14 PM EDTSpecial Marine WarningCLE2 hr
Apr 11, 11:17 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull42 min

Nearby

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