Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 54, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2001, 10:10 AM CST for Choctaw County, Alabama; Wayne County, Mississippi. It was in force for 50 min. 2 reports 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
- Mar 12, 2001, 10:10 AM CST (16:10 UTC)
- Expired
- Mar 12, 2001, 11:00 AM CST
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Choctaw County, AL, Wayne County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 10:20 AM CST | Thunderstorm Wind 60 E | Waynesboro, MS | A line of strong thunderstorms downed trees near the community. |
| Mar 12, 10:45 AM CST | Thunderstorm Wind 55 E | Toxey, AL | Trees and power lines were blown down by high thunderstorm winds near Toxey. |
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 |
|---|---|---|---|
| Mar 12, 6:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 12, 10:00 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.2 hours before the alert went out and 157 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 121611 SVRMOB ALC023-MSC153-121700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1010 AM CST MON MAR 12 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHOCTAW COUNTY IN SOUTHWEST ALABAMA WAYNE COUNTY IN SOUTHEAST MISSISSIPPI * UNTIL 1100 AM CST * AT 1010 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF MELVIN TO NEAR BOICE...MOVING NORTHEAST AT 45 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... EVANSBORO...HINTON BY 1020 AM CST ROCK SPRINGS BY 1025 AM CST LAND...NEEDHAM BY 1030 AM CST GILBERTOWN...LISMAN BY 1035 AM CST STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH THESE STORMS. IF IN THE PATH OF THESE STORMS...TAKE COVER IN A STURDY SHELTER UNTIL THE STORMS HAVE PASSED. LAT...LON 3197 8872 3162 8872 3188 8819 3229 8803
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, 9:19 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 26 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 |
| Mar 12, 5:12 AM CST | Severe Thunderstorm Warning | MOB | Greene | 33 min |
| Mar 12, 10:13 AM CST | Severe Thunderstorm Warning | MOB | Perry | 22 min |
| Mar 12, 10:37 AM CST | Severe Thunderstorm Warning | MOB | Greene | 23 min |
| Mar 12, 11:17 AM CST | Severe Thunderstorm Warning | MOB | George | 13 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2001Severe Thunderstorm Warnings in Mississippi, 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.