Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 175, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 6:52 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 23 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
- Oct 13, 2001, 6:52 PM CDT (23:52 UTC)
- Expired
- Oct 13, 2001, 7:15 PM CDT
- In force
- 23 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Conecuh County, AL, Escambia County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 13, 6:55 PM CDT | Thunderstorm Wind 60 E | Appleton, AL | Trees were blown down in the Appleton area as a line of thunderstorms moved through. |
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 |
|---|---|---|---|
| Oct 13, 2:00 PM CDT | Tornado Watch | SPC | 5 hr |
| Oct 13, 6:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.9 hours before the alert went out and 216 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
- 185 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 592 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
425 WUUS54 KMOB 132352 SVRMOB ALC035-053-140015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 652 PM CDT SAT OCT 13 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA CONECUH COUNTY IN SOUTH CENTRAL ALABAMA * UNTIL 715 PM CDT * AT 652 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHEAST OF APPLETON...MOVING NORTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CASTLEBERRY BY 655 PM CDT NYMPH...JOHNSONVILLE BY 700 PM CDT I65 AND US 84 BY 705 PM CDT I65 AND AL 83...EVERGREEN BY 710 PM CDT STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH THIS STORM. IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. LAT...LON 3112 8722 3105 8712 3136 8677 3163 8697
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 7:22 AM CDT | Tornado Warning | MOB | Baldwin | 38 min |
| Oct 13, 11:42 AM CDT | Tornado Warning | MOB | Baldwin | 33 min |
| Oct 13, 11:44 AM CDT | Severe Thunderstorm Warning | MOB | Washington | 31 min |
| Oct 13, 12:21 PM CDT | Tornado Warning | MOB | Clarke, Washington | 24 min |
| Oct 13, 12:24 PM CDT | Special Marine Warning | MOB | 51 min | |
| Oct 13, 12:40 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 35 min |
| Oct 13, 12:47 PM CDT | Tornado Warning | MOB | Baldwin | 28 min |
| Oct 13, 1:10 PM CDT | Tornado Warning | MOB | Escambia, Monroe | 35 min |
| Oct 13, 1:18 PM CDT | Tornado Warning | MOB | Baldwin | 27 min |
| Oct 13, 2:34 PM CDT | Tornado Warning | MOB | Baldwin | 26 min |
| Oct 13, 2:53 PM CDT | Tornado Warning | MOB | Monroe | 37 min |
| Oct 13, 3:08 PM CDT | Tornado Warning | MOB | Escambia | 22 min |
| Oct 13, 3:37 PM CDT | Tornado Warning | MOB | Conecuh, Escambia | 23 min |
| Oct 13, 4:01 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 59 min |
| Oct 13, 5:01 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 59 min |
| Oct 13, 6:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| Oct 13, 6:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| Oct 13, 6:47 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 43 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.