Alert archive / Alabama / Tornado Warnings in 1998
Tornado Warning 11, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 17, 1998, 6:02 PM CDT for Clarke County, Alabama. 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 17, 1998, 6:02 PM CDT (23:02 UTC)
- Expired
- Apr 17, 1998, 7:05 PM CDT
- In force
- 63 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Clarke County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 6:30 PM CDT | Hail 0.75 | Coffeeville, AL | Dime size hail was reported near Coffeeville. |
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 |
|---|---|---|---|
| Apr 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 194 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
666 WFUS1 KMOB 172304 RRA TORMOB ALC025-180005- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 602 PM CDT FRI APR 17 1998 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... CLARKE COUNTY IN SOUTHWESTERN ALABAMA * UNTIL 705 PM CDT * AT 601 PM CDT... A TORNADO WAS LOCATED 41 MILES SOUTHWEST OF GROVE HILL OR 20 MILES SOUTHWEST OF CARLTON... AS INDICATED BY DOPPLER RADAR... MOVING EAST 45 MPH. * TORNADO WILL BE NEAR- CARLTON AT 625 PM CDT CHOCTAW BLUFF AT 625 PM CDT IF YOU ARE IN THE PATH OF A TORNADO...SEEK SAFETY IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. STAY AWAY FROM WINDOWS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 4:45 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 65 min |
| Apr 17, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 66 min |
| Apr 17, 5:25 PM CDT | Tornado Warning | MOB | Covington | 60 min |
| Apr 17, 5:29 PM CDT | Tornado Warning | MOB | Washington | 61 min |
| Apr 17, 6:17 PM CDT | Tornado Warning | MOB | Washington | 48 min |
| Apr 17, 6:21 PM CDT | Tornado Warning | MOB | Baldwin, Monroe | 64 min |
| Apr 17, 6:25 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 60 min |
| Apr 17, 6:49 PM CDT | Tornado Warning | MOB | Conecuh | 61 min |
| Apr 17, 6:58 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 62 min |
Nearby
Tornado Warnings in Alabama, 1998Every tornado warning in 1998Tornadoes in 1998
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.