Alert archive / Ohio / Tornado Warnings in 2013

Tornado Warning 6, NWS Cleveland, OH

June 12, 2013Knox County, Ohio

NWS Cleveland, OH issued this tornado warning at Jun 12, 2013, 9:52 PM EDT for Knox County, Ohio. It was in force for 38 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: Jun 12, 2013, 9:52 PM EDT (01:52 UTC)
Expired: Jun 12, 2013, 10:30 PM EDT
In force: 38 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Knox County, OH

The radar

The Cleveland radar (KCLE), 135 km from the middle of the area, began a volume at 01:53 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
Jun 12, 9:56 PM EDT	HAIL 1	Gambier, OH
Jun 12, 9:58 PM EDT	HAIL 1.25	Mount Vernon, OH

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
Jun 12, 6:28 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.9 hours before the alert went out and 152 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: 2978 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1256 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

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

829 
WFUS51 KCLE 130152
TORCLE
OHC083-130230-
/O.NEW.KCLE.TO.W.0006.130613T0152Z-130613T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
952 PM EDT WED JUN 12 2013

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN KNOX COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 1030 PM EDT

* AT 947 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES SOUTHWEST OF GAMBIER...OR 5 MILES SOUTH
  OF MOUNT VERNON...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARTINSBURG AND BLADENSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

&&

LAT...LON 4024 8238 4024 8247 4026 8249 4026 8256
      4027 8257 4042 8247 4033 8218 4024 8219
      4023 8220 4023 8238
TIME...MOT...LOC 0153Z 296DEG 22KT 4030 8241

$$

LAPLANTE

1 follow-up statement

520 
WWUS51 KCLE 130218
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1018 PM EDT WED JUN 12 2013

OHC083-130230-
/O.CON.KCLE.TO.W.0006.000000T0000Z-130613T0230Z/
KNOX OH-
1018 PM EDT WED JUN 12 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
SOUTHEASTERN KNOX COUNTY...

AT 1013 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS POSSIBLE TORNADO WAS LOCATED 7
MILES NORTHEAST OF MARTINSBURG...OR 12 MILES EAST OF MOUNT VERNON...
MOVING EAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF THE POSSIBLE TORNADO INCLUDE....

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. OTHERWISE...SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT THURSDAY MORNING
FOR NORTHEASTERN OHIO. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 200 AM EDT THURSDAY MORNING FOR NORTHWESTERN OHIO.

&&

LAT...LON 4024 8220 4028 8243 4041 8242 4033 8218
TIME...MOT...LOC 0214Z 275DEG 24KT 4033 8225

$$

LAPLANTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:17 PM EDT	Severe Thunderstorm Warning	CLE	Morrow	58 min
Jun 12, 8:23 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Richland	67 min
Jun 12, 8:30 PM EDT	Tornado Warning	CLE	Morrow	60 min
Jun 12, 8:35 PM EDT	Severe Thunderstorm Warning	CLE	Huron, Seneca	55 min
Jun 12, 9:01 PM EDT	Severe Thunderstorm Warning	CLE	Knox	59 min
Jun 12, 9:16 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Lorain	44 min
Jun 12, 9:41 PM EDT	Flash Flood Warning	CLE	Crawford, Richland	5 hr
Jun 12, 9:45 PM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	60 min
Jun 12, 10:00 PM EDT	Tornado Warning	CLE	Morrow, Richland	60 min
Jun 12, 10:08 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Knox	67 min
Jun 12, 10:14 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Crawford, Richland	61 min
Jun 12, 10:20 PM EDT	Flash Flood Warning	CLE	Marion, Morrow	6 hr
Jun 12, 10:28 PM EDT	Tornado Warning	CLE	Knox, Morrow	62 min
Jun 12, 10:38 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	67 min
Jun 12, 10:40 PM EDT	Special Marine Warning	CLE		110 min
Jun 12, 11:00 PM EDT	Areal Flood Advisory	CLE	Ashland, Holmes, Knox	6 hr
Jun 12, 11:00 PM EDT	Special Marine Warning	CLE		2 hr
Jun 12, 11:06 PM EDT	Tornado Warning	CLE	Cuyahoga, Lorain	54 min
Jun 12, 11:16 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	44 min
Jun 12, 11:53 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wood	67 min
Jun 13, 12:05 AM EDT	Severe Thunderstorm Warning	CLE	Knox	40 min
Jun 13, 12:08 AM EDT	Tornado Warning	CLE	Lucas, Wood	67 min
Jun 13, 12:30 AM EDT	Flash Flood Warning	CLE	Knox	6 hr
Jun 13, 12:32 AM EDT	Tornado Warning	CLE	Lucas, Ottawa, Sandusky, Wood	58 min
Jun 13, 12:34 AM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca, Wyandot	41 min
Jun 13, 12:38 AM EDT	Special Marine Warning	CLE		112 min
Jun 13, 12:49 AM EDT	Flash Flood Warning	CLE	Lucas	6 hr
Jun 13, 12:55 AM EDT	Severe Thunderstorm Warning	CLE	Marion	50 min
Jun 13, 12:59 AM EDT	Severe Thunderstorm Warning	CLE	Crawford	61 min
Jun 13, 1:10 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Morrow, Richland	50 min
Jun 13, 1:13 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa	32 min
Jun 13, 1:29 AM EDT	Severe Thunderstorm Warning	CLE	Lorain	61 min
Jun 13, 1:34 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Knox	41 min
Jun 13, 1:43 AM EDT	Special Marine Warning	CLE		2 hr
Jun 13, 1:44 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina	61 min
Jun 13, 1:56 AM EDT	Severe Thunderstorm Warning	CLE	Holmes, Wayne	49 min
Jun 13, 2:18 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake, Portage, Stark, Summit	57 min
Jun 13, 2:54 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Mahoning, Trumbull	66 min
Jun 13, 3:05 AM EDT	Areal Flood Warning	CLE	Crawford	6 hr
Jun 13, 3:18 AM EDT	Special Marine Warning	CLE		87 min
Jun 13, 3:27 AM EDT	Areal Flood Advisory	CLE	Richland	5 hr
Jun 13, 4:14 AM EDT	Rip Current Statement	CLE	Erie, Lorain, Lucas, Ottawa, Sandusky	7 hr
Jun 13, 4:21 AM EDT	Small Craft Advisory	CLE		18 hr
Jun 13, 6:00 AM EDT	Areal Flood Advisory	CLE	Ashland, Holmes, Knox, Marion, Morrow, Richland	7 hr
Jun 13, 8:52 AM EDT	Areal Flood Advisory	CLE	Crawford	4 hr

Nearby

Tornado Warnings in Ohio, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.