Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 16, NWS Cleveland, OH

April 19, 2002Marion County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 19, 2002, 7:39 PM EDT for Marion County, Ohio. It was in force for 66 min. 1 report 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
Apr 19, 2002, 7:39 PM EDT (23:39 UTC)
Expired
Apr 19, 2002, 8:45 PM EDT
In force
66 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Marion County, OH

The radar

The Cincinnati radar (KILN), 141 km from the middle of the area, began a volume at 23:42 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

TimeReportWhereRemark
Apr 19, 7:55 PM EDTHail 1Marion, OHQuarter size hail was reported.

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.

IssuedProductOfficeLasted
Apr 19, 4:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 140 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, Cncnati-Daytn, OH at 12:00Z on 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 303 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.19395878Sfc1 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
303 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1572 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
29 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.

000 
WUUS51 KCLE 192339
SVRCLE
OHC101-200045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
739 PM EDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARION COUNTY IN OHIO...

* UNTIL 845 PM EDT

* AT 739 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTH OF PROSPECT...OR ABOUT 5 MILES
  SOUTHWEST OF MARION...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  MARION
  PROSPECT
  GREEN CAMP
  WALDO

HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 58 MILES AN
HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS 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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 6:12 AM EDTSpecial Marine WarningCLE2 hr
Apr 19, 6:12 AM EDTSpecial Marine WarningCLE2 hr
Apr 19, 6:12 AM EDTSpecial Marine WarningCLE2 hr
Apr 19, 3:33 PM EDTSevere Thunderstorm WarningCLELorain57 min
Apr 19, 4:12 PM EDTFlash Flood WarningCLELorain2 hr
Apr 19, 4:17 PM EDTSevere Thunderstorm WarningCLEMedina58 min
Apr 19, 4:32 PM EDTSevere Thunderstorm WarningCLEKnox, Morrow58 min
Apr 19, 4:52 PM EDTSevere Thunderstorm WarningCLEWayne38 min
Apr 19, 5:00 PM EDTSevere Thunderstorm WarningCLESummit30 min
Apr 19, 5:10 PM EDTTornado WarningCLEWayne35 min
Apr 19, 5:15 PM EDTTornado WarningCLEStark60 min
Apr 19, 5:25 PM EDTFlash Flood WarningCLEKnox, Morrow110 min
Apr 19, 5:31 PM EDTSevere Thunderstorm WarningCLEKnox59 min
Apr 19, 5:39 PM EDTSevere Thunderstorm WarningCLEHolmes66 min
Apr 19, 6:13 PM EDTFlash Flood WarningCLEHolmes2 hr
Apr 19, 6:24 PM EDTSevere Thunderstorm WarningCLERichland66 min
Apr 19, 7:11 PM EDTSevere Thunderstorm WarningCLECrawford, Morrow64 min
Apr 19, 7:29 PM EDTFlash Flood WarningCLERichland2 hr
Apr 19, 7:32 PM EDTSevere Thunderstorm WarningCLERichland58 min
Apr 19, 7:46 PM EDTFlash Flood WarningCLEKnox, Morrow3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2002Every 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.