Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 149, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 19, 2001, 12:52 PM CDT for Clarke County, Alabama. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Aug 19, 2001, 12:52 PM CDT (17:52 UTC)
- Expired
- Aug 19, 2001, 1:45 PM CDT
- In force
- 53 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Clarke County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 1:05 PM CDT | Thunderstorm Wind 50 E | Jackson, AL | Trees were blown down near Jackson 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, 5.9 hours before the alert went out and 201 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.
199 WUUS54 KMOB 191755 SVRMOB ALC025-191845- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1252 PM CDT SUN AUG 19 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLARKE COUNTY IN SOUTHWEST ALABAMA * UNTIL 145 PM CDT * AT 1252 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG TO SEVERE THUNDERSTORMS MOVING INTO THE WESTERN PART OF CLARKE COUNTY IN ALABAMA. MOVEMENT OF THIS LINE IS 25 TO 30 MPH. * THE STRONG TO SEVERE THUNDERSTORMS WILL BE NEAR... WALKER SPRINGS...ALMA BY 100 PM CDT ALLEN...MANILLA BY 105 PM CDT SUGGSVILLE BY 110 PM CDT STRONG DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE LIKELY WITH THIS STORM. IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. LAT...LON 3168 8792 3146 8790 3146 8772 3172 8765
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 3:38 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 22 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.