Alert archive / Ohio / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Cleveland, OH

April 20, 2003Huron County, Sandusky County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 20, 2003, 5:56 PM EDT for Huron County, Sandusky County, Ohio. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 20, 2003, 5:56 PM EDT (21:56 UTC)
Expired: Apr 20, 2003, 7:00 PM EDT
In force: 64 min
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text

Counties Huron County, OH, Sandusky County, OH

The radar

The Cleveland radar (KCLE), 100 km from the middle of the area, began a volume at 21:57 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 20, 4:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.9 hours before the alert went out and 166 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: 41 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

161 
WUUS51 KCLE 202156
SVRCLE
OHC077-143-202300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
556 PM EDT SUN APR 20 2003

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HURON COUNTY IN NORTH CENTRAL OHIO...
  SANDUSKY COUNTY IN NORTHWEST OHIO...

* UNTIL 700 PM EDT

* AT 556 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF GREEN SPRINGS...OR ABOUT
  3 MILES WEST OF TIFFIN...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BELLEVUE
  CLYDE
  FREMONT
  GREEN SPRINGS
  NORWALK

DAMAGING WINDS IN EXCESS OF 58 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE 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.

LAT...LON 4125 8325 4107 8260 4145 8306

$$
ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 5:03 PM EDT	Special Marine Warning	CLE		87 min
Apr 20, 5:27 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wyandot	63 min
Apr 20, 5:52 PM EDT	Severe Thunderstorm Warning	CLE	Seneca	53 min
Apr 20, 6:15 PM EDT	Tornado Warning	CLE	Seneca	30 min
Apr 20, 6:18 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	42 min
Apr 20, 6:21 PM EDT	Severe Thunderstorm Warning	CLE	Erie	54 min
Apr 20, 6:23 PM EDT	Special Marine Warning	CLE		2 hr
Apr 20, 6:23 PM EDT	Special Marine Warning	CLE		2 hr
Apr 20, 7:02 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	43 min
Apr 20, 7:12 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	48 min
Apr 20, 7:52 PM EDT	Special Marine Warning	CLE		113 min
Apr 20, 7:52 PM EDT	Special Marine Warning	CLE		113 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2003 Every severe thunderstorm warning in 2003

Sources

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