Alert archive / Ohio / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 47, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 31, 2002, 5:17 PM EDT for Knox County, Ohio. It was in force for 58 min. 4 reports 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
- May 31, 2002, 5:17 PM EDT (21:17 UTC)
- Expired
- May 31, 2002, 6:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Knox County, OH
The radar
The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 21:16 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 5:35 PM EDT | Thunderstorm Wind | Gambier, OH | Thunderstorm winds downed at least 20 trees. |
| May 31, 5:35 PM EDT | Thunderstorm Wind | Fredericktown, OH | Thunderstorm winds downed 35 trees approximately five miles northeast of Mount Vernon. One home was destroyed by fallen trees and three others were significantly damaged. Six additional trees were downed in Fredericktown. |
| May 31, 5:50 PM EDT | Hail 1.75 | Bladensburg, OH | Golf ball size hail was observed. |
| May 31, 6:00 PM EDT | Hail 0.75 | Millwood, OH | Dime size hail was observed. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 160 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.
- Mixed-layer CAPE
- 663 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 885 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
392 WUUS51 KCLE 312117 SVRCLE OHC083-312215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 517 PM EDT FRI MAY 31 2002 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN OHIO... * UNTIL 615 PM EDT * AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES NORTHWEST OF FREDERICKTOWN...OR ABOUT 7 MILES EAST OF MOUNT GILEAD...MOVING SOUTHEAST AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... DANVILLE FREDERICKTOWN GAMBIER MOUNT VERNON 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. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN CLEVELAND. $$ LOMBARDY
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:08 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 31, 9:25 AM EDT | Special Marine Warning | CLE | 2 hr | |
| May 31, 4:01 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Summit | 59 min |
| May 31, 4:48 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 57 min |
| May 31, 4:57 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 63 min |
| May 31, 4:59 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 61 min |
| May 31, 5:02 PM EDT | Severe Thunderstorm Warning | CLE | Morrow, Richland | 58 min |
| May 31, 5:13 PM EDT | Tornado Warning | CLE | Stark | 47 min |
| May 31, 5:22 PM EDT | Severe Thunderstorm Warning | CLE | Ashland | 38 min |
| May 31, 5:34 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 56 min |
| May 31, 6:10 PM EDT | Tornado Warning | CLE | Knox | 20 min |
| May 31, 6:14 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 31 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.