Alert archive / Ohio / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 21, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at May 21, 2004, 6:51 PM EDT for Athens County, Ohio. It was in force for 39 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 21, 2004, 6:51 PM EDT (22:51 UTC)
- Expired
- May 21, 2004, 7:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Charleston, WV
- Area
- Counties, with a storm outline in the text
County Athens County, OH
The radar
The Charleston,WV radar (KRLX), 123 km from the middle of the area, began a volume at 22:54 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 21, 4:25 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 148 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
- 2750 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
003 WUUS51 KRLX 212251 SVRRLX OHC009-212330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON WV 651 PM EDT FRI MAY 21 2004 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ATHENS COUNTY IN SOUTHEAST OHIO... * UNTIL 730 PM EDT... * AT 649 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES EAST OF CHAUNCEY...OR ABOUT 6 MILES NORTH OF ATHENS...MOVING SOUTHEAST AT 40 MPH. * SOME LOCATIONS IN THE WARNING AREA INCLUDE...ALBANY...ATHENS... COOLVILLE AND GLOUSTER. HAIL THE SIZE OF PENNIES AND WIND GUSTS IN EXCESS OF 60 MPH ARE POSSIBLE WITH THIS STORM. IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 3953 8208 3940 8225 3921 8227 3922 8170 $$ HC
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 5:51 PM EDT | Flash Flood Warning | RLX | Perry | 3 hr |
| May 21, 6:20 PM EDT | Flash Flood Warning | RLX | Morgan | 115 min |
| May 21, 6:25 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 50 min |
| May 21, 6:34 PM EDT | Severe Thunderstorm Warning | RLX | Meigs | 56 min |
| May 21, 6:36 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| May 21, 6:47 PM EDT | Flash Flood Warning | RLX | Athens | 118 min |
| May 21, 7:27 PM EDT | Severe Thunderstorm Warning | RLX | Meigs | 48 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.