Alert archive / Ohio / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 19, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 11, 1999, 6:07 PM EDT for Crawford 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
- Jun 11, 1999, 6:07 PM EDT (22:07 UTC)
- Expired
- Jun 11, 1999, 7:10 PM EDT
- In force
- 63 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, OH
The radar
The Cleveland radar (KCLE), 109 km from the middle of the area, began a volume at 22:10 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 |
|---|---|---|---|
| Jun 11, 6:25 PM EDT | Thunderstorm Wind | Chatfield, OH | Numerous trees and power lines downed. |
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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 175 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
- 75 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1662 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
681 WUUS1 KCLE 112210 RRA SVRCLE OHC033-112310- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 607 PM EDT FRI JUN 11 1999 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CRAWFORD COUNTY OH IN NORTH CENTRAL OHIO * UNTIL 710 PM EDT * AT 606 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTH OF BUCYRUS OR IN THE VICINITY OF BROKEN SWORD... MOVING NORTH AT 10 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... BROKEN SWORD LYKENS CHATFIELD SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. $$ ADAMS
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 4:44 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 61 min |
| Jun 11, 4:50 PM EDT | Severe Thunderstorm Warning | CLE | Marion | 65 min |
| Jun 11, 4:56 PM EDT | Severe Thunderstorm Warning | CLE | Marion | 59 min |
| Jun 11, 5:52 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 63 min |
| Jun 11, 5:58 PM EDT | Flash Flood Warning | CLE | Huron | 2 hr |
| Jun 11, 6:39 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 66 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1999Every severe thunderstorm warning in 1999
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.