Alert archive / Ohio / Tornado Warnings in 2007

Tornado Warning 26, NWS Cleveland, OH

August 20, 2007Crawford County, Morrow County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 20, 2007, 2:20 PM EDT for Crawford County, Morrow County, Ohio. It was in force for 55 min. 1 report 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: Aug 20, 2007, 2:20 PM EDT (18:20 UTC)
Expired: Aug 20, 2007, 3:15 PM EDT
In force: 55 min
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text

Counties Crawford County, OH, Morrow County, OH

The radar

The Cleveland radar (KCLE), 109 km from the middle of the area, began a volume at 18:21 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

Time	Report	Where	Remark
Aug 20, 2:44 PM EDT	TSTM WND DMG	8 Ne Mount Gilead, OH	ROOF BLOWN OFF HOUSE AND DAMAGE TO A MOBILE HOME.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 20, 1:19 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 167 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: 579 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCLE 201820
TORCLE
OHC033-117-201915-
/O.NEW.KCLE.TO.W.0026.070820T1820Z-070820T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
220 PM EDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  CRAWFORD COUNTY IN NORTH CENTRAL OHIO...
  MORROW COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 315 PM EDT

* AT 216 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GALION...OR
  ABOUT 9 MILES SOUTHEAST OF BUCYRUS...MOVING SOUTHEAST AT 40 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTY.

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 4079 8276 4072 8290 4052 8275 4057 8263
      4071 8263 4071 8272

$$
LEINS

1 follow-up statement

000 
WWUS51 KCLE 201913
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
312 PM EDT MON AUG 20 2007

OHC033-117-201922-
/O.EXP.KCLE.TO.W.0026.000000T0000Z-070820T1915Z/
CRAWFORD OH-MORROW OH-
312 PM EDT MON AUG 20 2007

...THE TORNADO WARNING FOR NORTHEASTERN MORROW AND SOUTHEASTERN
CRAWFORD COUNTIES IN NORTH CENTRAL OHIO EXPIRES AT 315 PM EDT...

LAT...LON 4079 8276 4072 8290 4052 8275 4057 8263
      4071 8263 4071 8272

$$

THOMPSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 5:32 AM EDT	Areal Flood Advisory	CLE	Lucas, Ottawa, Sandusky, Wood	6 hr
Aug 20, 7:01 AM EDT	Areal Flood Advisory	CLE	Erie, Huron, Seneca	6 hr
Aug 20, 9:30 AM EDT	Areal Flood Advisory	CLE	Ashland, Lorain, Medina, Summit, Wayne	8 hr
Aug 20, 9:52 AM EDT	Flash Flood Warning	CLE	Medina, Wayne	6 hr
Aug 20, 10:10 AM EDT	Flash Flood Warning	CLE	Stark, Summit	6 hr
Aug 20, 10:16 AM EDT	Areal Flood Warning	CLE	Huron, Sandusky, Seneca	20 hr
Aug 20, 10:40 AM EDT	Areal Flood Advisory	CLE	Mahoning, Portage	8 hr
Aug 20, 10:56 AM EDT	Areal Flood Warning	CLE	Lorain	20 hr
Aug 20, 11:18 AM EDT	Flash Flood Warning	CLE	Mahoning	6 hr
Aug 20, 11:31 AM EDT	Areal Flood Warning	CLE	Wood	22 hr
Aug 20, 11:36 AM EDT	Areal Flood Advisory	CLE	Lucas, Ottawa	11 hr
Aug 20, 11:58 AM EDT	Areal Flood Warning	CLE	Cuyahoga, Geauga, Lake, Portage	11 hr
Aug 20, 12:49 PM EDT	Areal Flood Warning	CLE	Erie	18 hr
Aug 20, 1:01 PM EDT	River Flood Warning	CLE	Erie, Huron	24 hr
Aug 20, 1:26 PM EDT	River Flood Warning	CLE	Ottawa, Sandusky, Wood	4 days
Aug 20, 1:27 PM EDT	Severe Thunderstorm Warning	CLE	Wyandot	55 min
Aug 20, 2:06 PM EDT	River Flood Warning	CLE	Geauga, Portage, Summit	8 hr
Aug 20, 2:15 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	45 min
Aug 20, 2:28 PM EDT	River Flood Warning	CLE	Cuyahoga	8 hr
Aug 20, 2:34 PM EDT	Severe Thunderstorm Warning	CLE	Richland	40 min
Aug 20, 2:55 PM EDT	Tornado Warning	CLE	Richland	24 min
Aug 20, 3:01 PM EDT	Severe Thunderstorm Warning	CLE	Ashland	22 min
Aug 20, 3:04 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	56 min
Aug 20, 3:10 PM EDT	Severe Thunderstorm Warning	CLE	Knox	46 min
Aug 20, 3:40 PM EDT	Areal Flood Warning	CLE	Medina, Stark, Summit, Wayne	12 hr
Aug 20, 4:27 PM EDT	River Flood Warning	CLE	Lorain	59 hr

Nearby

Tornado Warnings in Ohio, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.