Alert archive / Alabama / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 83, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 6, 2003, 11:19 PM CDT for Clarke County, Alabama. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2003, 11:19 PM CDT (04:19 UTC)
- Expired
- Apr 7, 2003, 12:15 AM CDT
- In force
- 56 min
- Issued by
- NWS Mobile, AL
- Area
- Counties, with a storm outline in the text
County Clarke County, AL
The radar
The Mobile radar (KMOB), 143 km from the middle of the area, began a volume at 04:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 6, 10:15 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 4.3 hours before the alert went out and 175 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
- 677 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
247 WUUS54 KMOB 070419 SVRMOB ALC025-070515- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1119 PM CDT SUN APR 6 2003 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLARKE COUNTY IN SOUTHWEST ALABAMA * UNTIL 1215 AM CDT * AT 1119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES WEST OF WOODS BLUFF...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WOODS BLUFF BY 1130 PM CDT MORVIN BY 1140 PM CDT OPINE...HOLTAMVILLE BY 1145 PM CDT TALLAHATTA SPRINGS BY 1150 PM CDT STRONG DAMAGING WIND...HAIL TO THE SIZE OF NICKELS TO QUARTERS...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 3200 8806 3184 8816 3185 8767 3200 8768
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 10:25 PM CDT | Tornado Warning | MOB | Choctaw | 65 min |
| Apr 7, 12:29 AM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 46 min |
| Apr 7, 12:37 AM CDT | Tornado Warning | MOB | Wilcox | 23 min |
| Apr 7, 1:03 AM CDT | Tornado Warning | MOB | Wilcox | 42 min |
| Apr 7, 6:46 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 44 min |
| Apr 7, 7:52 AM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 53 min |
| Apr 7, 1:17 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 28 min |
| Apr 7, 3:42 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 48 min |
| Apr 7, 5:23 PM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
Nearby
Severe Thunderstorm Warnings in Alabama, 2003Every severe thunderstorm warning in 2003
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; radar from the NEXRAD Level II archive.