Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 155, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 19, 2001, 3:38 PM CDT for Covington County, Alabama. It was in force for 22 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
- Aug 19, 2001, 3:38 PM CDT (20:38 UTC)
- Expired
- Aug 19, 2001, 4:00 PM CDT
- In force
- 22 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Covington County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 3:40 PM CDT | Thunderstorm Wind 50 E | Florala, AL | Trees and power lines were blown down by high winds from a thunderstorm. |
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
Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 217 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
- 507 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
948 WUUS54 KMOB 192038 SVRMOB ALC039-192100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 338 PM CDT SUN AUG 19 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COVINGTON COUNTY IN SOUTHWEST ALABAMA * UNTIL 400 PM CDT * AT 338 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 8 MILES NORTH OF OPP TO 3 MILES EAST OF FLORALA...MOVING EAST AT 25 MPH. * SEVERE THUNDERSTORMS WILL AFFECT MOST AREAS OF COVINGTON COUNTY...INCLUDING THE HOWELLS AREA...THROUGH 400 PM. STRONG DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE LIKELY WITH THESE STORMS. IF IN THE PATH OF THESE STORMS...TAKE COVER IN A STURDY SHELTER UNTIL THE STORMS HAVE PASSED.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 12:52 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 53 min |
| Aug 19, 1:45 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 60 min |
| Aug 19, 1:45 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 60 min |
| Aug 19, 1:57 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Covington | 48 min |
| Aug 19, 2:46 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 44 min |
| Aug 19, 3:05 PM CDT | Tornado Warning | MOB | Covington | 25 min |
| Aug 19, 3:45 PM CDT | Tornado Warning | MOB | Covington | 30 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2001Every severe thunderstorm warning in 2001
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.