Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 30, NWS Cleveland, OH

April 28, 2002Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 28, 2002, 2:12 PM EDT for Mahoning County, Ohio. It was in force for 63 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 28, 2002, 2:12 PM EDT (18:12 UTC)
Expired
Apr 28, 2002, 3:15 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 71 km from the middle of the area, began a volume at 18:15 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 28, 2:28 PM EDTHail 0.75Ellsworth, OHDime 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 28, 11:45 AM EDTTornado WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.2 hours before the alert went out and 88 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 12:00Z on 2002-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Pittsburgh, PA at 12:00Z on 2002-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897Sfc1 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
6 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
191 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 281812
SVRCLE
OHC099-281915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
212 PM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 212 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES WEST OF CANFIELD...OR ABOUT 12 MILES
  SOUTHEAST OF RAVENNA...MOVING EAST AT 40 MPH.

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

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

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

$$
ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 10:55 AM EDTSpecial Marine WarningCLE2 hr
Apr 28, 11:59 AM EDTSevere Thunderstorm WarningCLEErie, Lorain46 min
Apr 28, 12:09 PM EDTSpecial Marine WarningCLE2 hr
Apr 28, 12:09 PM EDTSpecial Marine WarningCLE2 hr
Apr 28, 12:09 PM EDTSpecial Marine WarningCLE2 hr
Apr 28, 12:14 PM EDTSevere Thunderstorm WarningCLEHuron46 min
Apr 28, 12:43 PM EDTTornado WarningCLERichland32 min
Apr 28, 12:48 PM EDTTornado WarningCLEMedina42 min
Apr 28, 12:55 PM EDTSevere Thunderstorm WarningCLEKnox50 min
Apr 28, 12:56 PM EDTSevere Thunderstorm WarningCLEAshtabula34 min
Apr 28, 1:02 PM EDTTornado WarningCLEAshtabula43 min
Apr 28, 1:08 PM EDTSevere Thunderstorm WarningCLEKnox52 min
Apr 28, 1:17 PM EDTSevere Thunderstorm WarningCLESummit43 min
Apr 28, 1:22 PM EDTTornado WarningCLEWayne38 min
Apr 28, 1:26 PM EDTSevere Thunderstorm WarningCLEHolmes49 min
Apr 28, 1:35 PM EDTSevere Thunderstorm WarningCLEPortage40 min
Apr 28, 1:42 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga48 min
Apr 28, 1:46 PM EDTSevere Thunderstorm WarningCLEStark44 min
Apr 28, 1:51 PM EDTTornado WarningCLEStark24 min
Apr 28, 1:58 PM EDTSevere Thunderstorm WarningCLETrumbull47 min

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.