Alert archive / Ohio / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 71, NWS Cleveland, OH

May 17, 2004Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 17, 2004, 8:43 PM EDT for Mahoning County, Ohio. It was in force for 62 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, 8:43 PM EDT (00:43 UTC)
Expired
May 17, 2004, 9:45 PM EDT
In force
62 min
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 77 km from the middle of the area, began a volume at 00:44 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, 0.7 hours before the alert went out and 94 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.

735 
WUUS51 KCLE 180043
SVRCLE
OHC099-180145-

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 945 PM EDT

* AT 842 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES WEST OF SEBRING...OR ABOUT 12 MILES
  NORTHEAST OF CANTON...MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BOARDMAN
  CANFIELD
  SEBRING

HAIL UP TO THE SIZE OF GOLF BALLS AND WINDS UP TO 60 MILES AN HOUR 
HAVE BEEN REPORTED IN STARK COUNTY 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 4090 8091 4090 8106 4098 8108 4098 8100
          4110 8099 4113 8093 4113 8052 4107 8053

$$

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, 8:38 PM EDTSevere Thunderstorm WarningCLEPortage67 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.