Alert archive / Ohio / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 83, NWS Cleveland, OH

July 14, 2015Knox County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 14, 2015, 1:49 PM EDT for Knox County, Ohio. It was in force for 56 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, 1:49 PM EDT (17:49 UTC)
Expired: Jul 14, 2015, 2:45 PM EDT
In force: 56 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County Knox County, OH

The radar

The Cleveland radar (KCLE), 133 km from the middle of the area, began a volume at 17:50 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, 5.8 hours before the alert went out and 148 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.

458 
WUUS51 KCLE 141749
SVRCLE
OHC083-141845-
/O.NEW.KCLE.SV.W.0083.150714T1749Z-150714T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
149 PM EDT TUE JUL 14 2015

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 245 PM EDT

* AT 148 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SPARTA...OR
  11 MILES SOUTH OF MOUNT GILEAD...MOVING EAST AT 40 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  MOUNT VERNON...FREDERICKTOWN...GAMBIER...UTICA...CENTERBURG...
  DANVILLE...MARTINSBURG...GANN...AMITY AND BLADENSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4024 8248 4027 8248 4027 8274 4028 8275
      4035 8274 4035 8265 4050 8263 4048 8218
      4027 8219 4024 8220
TIME...MOT...LOC 1748Z 277DEG 35KT 4038 8280 

HAIL...<.75IN
WIND...70MPH
 
$$

KOSARIK

3 follow-up statements

242 
WWUS51 KCLE 141818
SVSCLE

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

OHC083-141845-
/O.CON.KCLE.SV.W.0083.000000T0000Z-150714T1845Z/
KNOX OH-
218 PM EDT TUE JUL 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN KNOX COUNTY...

AT 218 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GAMBIER...OR
NEAR MOUNT VERNON...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MOUNT VERNON...FREDERICKTOWN...GAMBIER...UTICA...DANVILLE...
MARTINSBURG...GANN...AMITY AND BLADENSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4024 8248 4027 8248 4027 8259 4048 8253
      4048 8218 4027 8219 4024 8220
TIME...MOT...LOC 1818Z 283DEG 35KT 4032 8244 

HAIL...<.75IN
WIND...60MPH
 
$$

LAPLANTE

702 
WWUS51 KCLE 141834
SVSCLE

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

OHC083-141845-
/O.CON.KCLE.SV.W.0083.000000T0000Z-150714T1845Z/
KNOX OH-
234 PM EDT TUE JUL 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN KNOX COUNTY...

AT 234 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES SOUTHEAST
OF GAMBIER...OR 14 MILES SOUTHEAST OF MOUNT VERNON...MOVING EAST AT
40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DANVILLE...MARTINSBURG...GANN...BLADENSBURG AND AMITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4024 8238 4028 8237 4033 8237 4047 8239
      4048 8218 4027 8219 4024 8220
TIME...MOT...LOC 1834Z 277DEG 35KT 4030 8224 

HAIL...<.75IN
WIND...60MPH
 
$$

LAPLANTE

814 
WWUS51 KCLE 141842
SVSCLE

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

OHC083-141852-
/O.EXP.KCLE.SV.W.0083.000000T0000Z-150714T1845Z/
KNOX OH-
242 PM EDT TUE JUL 14 2015

...THE SEVERE THUNDERSTORM 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
NORTHEASTERN OHIO.

LAT...LON 4024 8238 4028 8237 4033 8237 4047 8239
      4048 8218 4027 8219 4024 8220
TIME...MOT...LOC 1840Z 277DEG 35KT 4030 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, 1:57 PM EDT	Tornado Warning	CLE	Knox	48 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

Severe Thunderstorm Warnings in Ohio, 2015 Every severe thunderstorm warning 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.