Alert archive / Ohio / Tornado Warnings in 2015

Tornado Warning 8, NWS Cleveland, OH

July 14, 2015Knox County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 14, 2015, 1:57 PM EDT for Knox County, Ohio. It was in force for 48 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: Jul 14, 2015, 1:57 PM EDT (17:57 UTC)
Expired: Jul 14, 2015, 2:45 PM EDT
In force: 48 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Knox County, OH

The radar

The Cleveland radar (KCLE), 134 km from the middle of the area, began a volume at 18:00 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
Jul 14, 2:16 PM EDT	TSTM WND DMG	2 S Mount Vernon, OH	TREE REPORTED DOWN ON A HOME ON NEW GAMBIER RD. NUMEROUS TREES AND POWERLINES DOWN ACROSS SOUTHERN PORTION OF COUNTY.

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
Jul 14, 12:40 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.0 hours before the alert went out and 147 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: 444 J/kg
Mixed-layer CIN: -243 J/kg
Mixed-layer LCL: 981 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 246 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.

252 
WFUS51 KCLE 141757
TORCLE
OHC083-141845-
/O.NEW.KCLE.TO.W.0008.150714T1757Z-150714T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
157 PM EDT TUE JUL 14 2015

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 245 PM EDT
    
* AT 157 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER CENTERBURG...OR 12 MILES SOUTHWEST OF
  MOUNT VERNON...MOVING EAST AT 70 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  UTICA AROUND 210 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MARTINSBURG AND BLADENSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4024 8248 4027 8248 4027 8274 4028 8275
      4035 8275 4034 8265 4039 8264 4040 8262
      4042 8218 4027 8219 4024 8220
TIME...MOT...LOC 1757Z 276DEG 63KT 4029 8268 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

LAPLANTE

3 follow-up statements

831 
WWUS51 KCLE 141813
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
213 PM EDT TUE JUL 14 2015

OHC083-141845-
/O.CON.KCLE.TO.W.0008.000000T0000Z-150714T1845Z/
KNOX OH-
213 PM EDT TUE JUL 14 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
SOUTHEASTERN KNOX COUNTY...
    
AT 213 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR UTICA...OR NEAR MOUNT VERNON...MOVING EAST AT 50
MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN KNOX COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
MARTINSBURG AND BLADENSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4024 8248 4027 8248 4027 8259 4031 8257
      4040 8255 4042 8218 4027 8219 4024 8220
TIME...MOT...LOC 1813Z 271DEG 45KT 4029 8249 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

LAPLANTE

336 
WWUS51 KCLE 141833
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
233 PM EDT TUE JUL 14 2015

OHC083-141845-
/O.CON.KCLE.TO.W.0008.000000T0000Z-150714T1845Z/
KNOX OH-
233 PM EDT TUE JUL 14 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
SOUTHEASTERN KNOX COUNTY...
    
AT 232 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES SOUTHEAST OF GAMBIER...OR 14 MILES SOUTHEAST OF
MOUNT VERNON...MOVING EAST AT 40 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IMPACTED INCLUDE...
MARTINSBURG AND BLADENSBURG. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4024 8237 4029 8236 4032 8236 4040 8238
      4042 8218 4027 8219 4024 8220
TIME...MOT...LOC 1832Z 273DEG 35KT 4028 8224 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

LAPLANTE

347 
WWUS51 KCLE 141841
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
241 PM EDT TUE JUL 14 2015

OHC083-141851-
/O.EXP.KCLE.TO.W.0008.000000T0000Z-150714T1845Z/
KNOX OH-
241 PM EDT TUE JUL 14 2015

...THE TORNADO WARNING FOR SOUTHEASTERN KNOX COUNTY WILL EXPIRE AT
245 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTH CENTRAL OHIO.

LAT...LON 4024 8237 4029 8236 4032 8236 4040 8238
      4042 8218 4027 8219 4024 8220
TIME...MOT...LOC 1840Z 276DEG 63KT 4028 8224 

$$

LAPLANTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 11:24 AM EDT	Flash Flood Watch	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 18 more	9 hr
Jul 14, 12:23 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca, Wood	67 min
Jul 14, 12:31 PM EDT	Areal Flood Advisory	CLE	Sandusky, Seneca, Wood	3 hr
Jul 14, 1:02 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	43 min
Jul 14, 1:07 PM EDT	Areal Flood Warning	CLE	Cuyahoga, Geauga	3 hr
Jul 14, 1:27 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Morrow	48 min
Jul 14, 1:36 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Wayne	39 min
Jul 14, 1:49 PM EDT	Severe Thunderstorm Warning	CLE	Knox	56 min
Jul 14, 2:16 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Portage, Trumbull	44 min
Jul 14, 2:24 PM EDT	Flash Flood Warning	CLE	Cuyahoga, Geauga, Portage	6 hr
Jul 14, 2:36 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Summit	54 min
Jul 14, 2:54 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Stark	51 min
Jul 14, 2:59 PM EDT	Tornado Warning	CLE	Holmes	31 min
Jul 14, 3:12 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	45 min
Jul 14, 3:32 PM EDT	Areal Flood Advisory	CLE	Holmes	6 hr
Jul 14, 4:12 PM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 1 more	24 hr
Jul 14, 4:17 PM EDT	Areal Flood Warning	CLE	Portage, Summit	3 hr
Jul 14, 4:25 PM EDT	Small Craft Advisory	CLE		24 hr

Nearby

Tornado Warnings in Ohio, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.