Alert archive / Ohio / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 70, NWS Cleveland, OH

May 17, 2004Portage County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 17, 2004, 8:38 PM EDT for Portage County, Ohio. It was in force for 67 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
May 17, 2004, 8:38 PM EDT (00:38 UTC)
Expired
May 17, 2004, 9:45 PM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Portage County, OH

The radar

The Cleveland radar (KCLE), 69 km from the middle of the area, began a volume at 00:37 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 nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 116 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2004-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2004-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
657 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1562 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
118 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.

893 
WUUS51 KCLE 180038
SVRCLE
OHC133-180145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
838 PM EDT MON MAY 17 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PORTAGE COUNTY IN NORTHEAST OHIO...

* UNTIL 945 PM EDT

* AT 838 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME SOUTH CENTRAL PORTAGE COUNTY...OR
  ABOUT 11 MILES SOUTH OF RAVENNA...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  AREAS OF EXTREME SOUTHERN PORTAGE COUNTY

HAIL UP TO THE SIZE OF GOLFBALLS AND WINDS UP TO 80 MILES AN HOUR 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 4099 8131 4109 8132 4109 8121 4111 8113
          4111 8100 4099 8100

$$

MRD

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 8:16 PM EDTSevere Thunderstorm WarningCLEHolmes59 min
May 17, 8:43 PM EDTSevere Thunderstorm WarningCLEMahoning62 min
May 17, 9:17 PM EDTSevere Thunderstorm WarningCLEStark28 min
May 18, 3:00 PM EDTSpecial Marine WarningCLE90 min
May 18, 3:00 PM EDTSpecial Marine WarningCLE90 min
May 18, 3:15 PM EDTSevere Thunderstorm WarningCLEMorrow60 min
May 18, 3:20 PM EDTSevere Thunderstorm WarningCLEErie55 min
May 18, 3:25 PM EDTSevere Thunderstorm WarningCLECrawford, Wyandot65 min
May 18, 3:49 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina56 min
May 18, 3:53 PM EDTSevere Thunderstorm WarningCLEKnox52 min
May 18, 4:13 PM EDTSevere Thunderstorm WarningCLEHuron47 min
May 18, 4:40 PM EDTSevere Thunderstorm WarningCLELorain50 min
May 18, 4:47 PM EDTSevere Thunderstorm WarningCLEPortage, Summit43 min
May 18, 4:48 PM EDTSevere Thunderstorm WarningCLEMedina57 min
May 18, 4:52 PM EDTSevere Thunderstorm WarningCLECrawford38 min
May 18, 5:00 PM EDTTornado WarningCLEMarion60 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2004Every severe thunderstorm warning in 2004

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.