Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 53, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2001, 9:19 AM CST for Choctaw County, Alabama. It was in force for 26 min. No storm report in the archive falls 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.
The facts
- Issued
- Mar 12, 2001, 9:19 AM CST (15:19 UTC)
- Expired
- Mar 12, 2001, 9:45 AM CST
- In force
- 26 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Choctaw County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 12, 6:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.3 hours before the alert went out and 162 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
- 585 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 499 m²/s²
- 0-3 km storm-relative helicity
- 534 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KMOB 121519 SVRMOB ALC023-121545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 919 AM CST MON MAR 12 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHOCTAW COUNTY IN SOUTHWEST ALABAMA * UNTIL 945 AM CST * AT 918 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTH OF MELVIN...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HINTON...NEEDHAM BY 925 AM CST LAND...ROCK SPRINGS BY 930 AM CST RIDERWOOD BY 940 AM CST BUTLER...LISMAN BY 945 AM CST STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE L4IKELY WITH THIS STORM. IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. LAT...LON 3199 8857 3186 8842 3211 8809 3227 8828
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 1:58 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 32 min |
| Mar 12, 2:31 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 44 min |
| Mar 12, 5:38 AM CST | Severe Thunderstorm Warning | MOB | Washington | 37 min |
| Mar 12, 6:09 AM CST | Severe Thunderstorm Warning | MOB | Monroe | 36 min |
| Mar 12, 6:16 AM CST | Severe Thunderstorm Warning | MOB | Clarke | 29 min |
| Mar 12, 6:35 AM CST | Severe Thunderstorm Warning | MOB | Conecuh | 25 min |
| Mar 12, 10:10 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 50 min |
| Mar 12, 10:29 AM CST | Tornado Warning | MOB | Choctaw | 31 min |
| Mar 12, 10:49 AM CST | Tornado Warning | MOB | Wilcox | 26 min |
| Mar 12, 10:52 AM CST | Severe Thunderstorm Warning | MOB | Washington | 33 min |
| Mar 12, 10:57 AM CST | Tornado Warning | MOB | Choctaw | 18 min |
| Mar 12, 11:05 AM CST | Tornado Warning | MOB | Washington | 10 min |
| Mar 12, 11:11 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 34 min |
| Mar 12, 11:27 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 33 min |
| Mar 12, 11:40 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Escambia, Monroe, Wilcox | 65 min |
| Mar 12, 11:44 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 31 min |
| Mar 12, 12:08 PM CST | Flash Flood Warning | MOB | Mobile | 2 hr |
| Mar 12, 12:26 PM CST | Severe Thunderstorm Warning | MOB | Mobile | 34 min |
| Mar 12, 12:40 PM CST | Severe Thunderstorm Warning | MOB | Covington, Crenshaw | 50 min |
| Mar 12, 12:47 PM CST | Severe Thunderstorm Warning | MOB | Escambia | 13 min |
| Mar 12, 12:47 PM CST | Severe Thunderstorm Warning | MOB | Baldwin | 43 min |
| Mar 12, 12:49 PM CST | Severe Thunderstorm Warning | MOB | Butler | 41 min |
| Mar 12, 1:35 PM CST | Severe Thunderstorm Warning | MOB | Covington | 10 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; the sounding from the Mesonet's radiosonde archive.