Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 166, NWS Cleveland, OH

July 29, 2002Erie County, Huron County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 29, 2002, 6:32 PM EDT for Erie County, Huron County, Ohio. It was in force for 43 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 29, 2002, 6:32 PM EDT (22:32 UTC)
Expired: Jul 29, 2002, 7:15 PM EDT
In force: 43 min
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Erie County, OH, Huron County, OH

The radar

The Cleveland radar (KCLE), 67 km from the middle of the area, began a volume at 22:32 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 29, 7:00 PM EDT	Thunderstorm Wind	Countywide, OH	Thunderstorm winds downed several trees across the county.
Jul 29, 7:00 PM EDT	Thunderstorm Wind	Countywide, OH	Thunderstorm winds downed trees and large limbs in Berlin Heights, Vermilion and Sandusky.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 29, 4:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.5 hours before the alert went out and 172 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: 403 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1077 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

079 
WUUS51 KCLE 292232
SVRCLE
OHC043-077-292315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
632 PM EDT MON JUL 29 2002

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ERIE COUNTY IN OHIO...
  HURON COUNTY IN OHIO...

* UNTIL 715 PM EDT

* AT 632 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF NORWALK...MOVING NORTHEAST AT
  40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  MILAN
  NORWALK
  WAKEMAN

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE LIKELY WITH THIS
STORM. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CLEVELAND.

$$

GARNET

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:03 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	57 min
Jul 28, 8:51 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	54 min
Jul 28, 9:07 PM EDT	Severe Thunderstorm Warning	CLE	Wood	53 min
Jul 28, 9:19 PM EDT	Special Marine Warning	CLE		116 min
Jul 28, 9:19 PM EDT	Special Marine Warning	CLE		116 min
Jul 28, 9:30 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	60 min
Jul 28, 9:42 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	63 min
Jul 28, 9:50 PM EDT	Severe Thunderstorm Warning	CLE	Lake	55 min
Jul 28, 9:54 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky	51 min
Jul 28, 10:00 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga	45 min
Jul 28, 10:30 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	60 min
Jul 28, 10:38 PM EDT	Severe Thunderstorm Warning	CLE	Portage	67 min
Jul 28, 10:48 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	57 min
Jul 29, 3:55 AM EDT	Flash Flood Warning	CLE	Ashtabula	110 min
Jul 29, 4:48 PM EDT	Special Marine Warning	CLE		117 min
Jul 29, 4:48 PM EDT	Special Marine Warning	CLE		117 min
Jul 29, 5:24 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	66 min
Jul 29, 5:37 PM EDT	Severe Thunderstorm Warning	CLE	Wood	38 min
Jul 29, 5:57 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca	48 min
Jul 29, 6:03 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Wyandot	57 min
Jul 29, 6:09 PM EDT	Special Marine Warning	CLE		2 hr
Jul 29, 6:09 PM EDT	Special Marine Warning	CLE		2 hr
Jul 29, 6:09 PM EDT	Special Marine Warning	CLE		2 hr
Jul 29, 6:24 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	36 min
Jul 29, 6:38 PM EDT	Severe Thunderstorm Warning	CLE	Morrow	67 min
Jul 29, 6:41 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	49 min
Jul 29, 6:48 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	42 min
Jul 29, 7:02 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina	43 min
Jul 29, 7:07 PM EDT	Severe Thunderstorm Warning	CLE	Knox	53 min
Jul 29, 7:17 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	58 min
Jul 29, 7:39 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Lake	51 min
Jul 29, 7:50 PM EDT	Severe Thunderstorm Warning	CLE	Stark	55 min
Jul 29, 7:56 PM EDT	Special Marine Warning	CLE		94 min
Jul 29, 7:56 PM EDT	Severe Thunderstorm Warning	CLE	Portage	49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.