Alert archive / Ohio / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 28, NWS Cleveland, OH

May 14, 2014Knox County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 14, 2014, 2:28 PM EDT for Knox County, Ohio. It was in force for 47 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: May 14, 2014, 2:28 PM EDT (18:28 UTC)
Expired: May 14, 2014, 3:15 PM EDT
In force: 47 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Knox County, OH

The radar

The Cleveland radar (KCLE), 127 km from the middle of the area, began a volume at 18:28 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
May 14, 2:35 PM EDT	HAIL 1	5 Sw Danville, 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
May 14, 1:23 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 155 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: 149 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 176 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.

136 
WUUS51 KCLE 141828
SVRCLE
OHC083-141915-
/O.NEW.KCLE.SV.W.0028.140514T1828Z-140514T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
228 PM EDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GAMBIER...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FREDERICKTOWN...
  DANVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4024 8247 4026 8249 4028 8275 4035 8275
      4034 8265 4036 8264 4055 8264 4055 8237
      4057 8218 4042 8218 4040 8219 4024 8220
TIME...MOT...LOC 1828Z 203DEG 23KT 4039 8242

$$

LAPLANTE

2 follow-up statements

056 
WWUS51 KCLE 141853
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
253 PM EDT WED MAY 14 2014

OHC083-141915-
/O.CON.KCLE.SV.W.0028.000000T0000Z-140514T1915Z/
KNOX OH-
253 PM EDT WED MAY 14 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN KNOX COUNTY...

AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR GANN...OR 15 MILES NORTHEAST OF MOUNT VERNON...MOVING
NORTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR NORTHERN OHIO.

&&

LAT...LON 4047 8237 4056 8233 4057 8223 4057 8219
      4056 8218 4042 8218 4041 8219
TIME...MOT...LOC 1853Z 203DEG 23KT 4052 8222

$$

860 
WWUS51 KCLE 141906
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
306 PM EDT WED MAY 14 2014

OHC083-141916-
/O.CAN.KCLE.SV.W.0028.000000T0000Z-140514T1915Z/
KNOX OH-
306 PM EDT WED MAY 14 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KNOX COUNTY IS
CANCELLED...

THE SEVERE STORMS HAS MOVE NORTHEAST OUT OF THE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR NORTHERN OHIO.

LAT...LON 4047 8237 4056 8233 4057 8223 4057 8219
      4056 8218 4042 8218 4041 8219
TIME...MOT...LOC 1906Z 203DEG 23KT 4060 8218

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 12:23 AM EDT	Severe Thunderstorm Warning	CLE	Morrow	52 min
May 14, 12:38 AM EDT	Tornado Warning	CLE	Morrow	52 min
May 14, 12:57 AM EDT	Tornado Warning	CLE	Knox, Richland	33 min
May 14, 1:27 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Knox, Richland	48 min
May 14, 11:49 AM EDT	Flood Watch	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more	28 hr
May 14, 1:44 PM EDT	Special Marine Warning	CLE		2 hr
May 14, 1:51 PM EDT	Tornado Warning	CLE	Knox	39 min
May 14, 2:11 PM EDT	Areal Flood Warning	CLE	Lorain	10 hr
May 14, 2:13 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	62 min
May 14, 2:22 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	38 min
May 14, 2:25 PM EDT	Tornado Warning	CLE	Ashland, Richland	35 min
May 14, 2:31 PM EDT	Special Marine Warning	CLE		119 min
May 14, 2:38 PM EDT	Areal Flood Warning	CLE	Knox	10 hr
May 14, 2:47 PM EDT	Tornado Warning	CLE	Ashland, Wayne	28 min
May 14, 2:51 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	54 min
May 14, 2:52 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	38 min
May 14, 2:57 PM EDT	Tornado Warning	CLE	Holmes	33 min
May 14, 3:10 PM EDT	Tornado Warning	CLE	Wayne	35 min
May 14, 3:16 PM EDT	Severe Thunderstorm Warning	CLE	Lake	44 min
May 14, 3:18 PM EDT	Areal Flood Warning	CLE	Cuyahoga, Geauga, Holmes, Lake, Medina, Summit and 1 more	10 hr
May 14, 3:41 PM EDT	Severe Thunderstorm Warning	CLE	Lake	49 min
May 14, 3:54 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Summit	51 min
May 14, 4:01 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	59 min
May 14, 4:29 PM EDT	Special Marine Warning	CLE		2 hr
May 14, 4:30 PM EDT	Severe Thunderstorm Warning	CLE	Lake	30 min
May 14, 4:33 PM EDT	Areal Flood Warning	CLE	Portage	10 hr
May 14, 4:33 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Portage	57 min
May 14, 4:54 PM EDT	Areal Flood Warning	CLE	Ashtabula, Trumbull	10 hr
May 14, 5:08 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Lake, Trumbull	67 min
May 14, 5:21 PM EDT	Severe Thunderstorm Warning	CLE	Stark	54 min
May 14, 5:25 PM EDT	Areal Flood Warning	CLE	Stark	10 hr
May 14, 5:42 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Trumbull	63 min
May 14, 6:13 PM EDT	Severe Thunderstorm Warning	CLE	Stark	47 min
May 14, 6:45 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Trumbull	45 min
May 14, 6:58 PM EDT	Tornado Warning	CLE	Holmes	47 min
May 14, 7:00 PM EDT	Areal Flood Warning	CLE	Mahoning	10 hr
May 14, 7:35 PM EDT	Tornado Warning	CLE	Holmes, Stark, Wayne	55 min
May 14, 7:49 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Trumbull	41 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2014 Every severe thunderstorm warning in 2014

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.