Alert archive / Alabama / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 21, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 22, 2013, 2:17 AM CST for Mobile County, Alabama. It was in force for 58 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
- Feb 22, 2013, 2:17 AM CST (08:17 UTC)
- Expired
- Feb 22, 2013, 3:15 AM CST
- In force
- 58 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 11 km from the middle of the area, began a volume at 08:18 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 nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 8.3 hours before the alert went out and 155 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
- 421 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 640 m²/s²
- 0-3 km storm-relative helicity
- 752 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 11.8
The text
As transmitted, in the capitals the NWS used until 2016.
233
WUUS54 KMOB 220817
SVRMOB
ALC097-220915-
/O.NEW.KMOB.SV.W.0021.130222T0817Z-130222T0915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
217 AM CST FRI FEB 22 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 315 AM CST
* AT 213 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 9 MILES SOUTHWEST OF REGIONAL AIRPORT
IN WEST MOBILE...OR 12 MILES EAST OF WADE...AND MOVING EAST AT 45
MPH.
* LOCATIONS IMPACTED INCLUDE...
REGIONAL AIRPORT IN WEST MOBILE... MIDTOWN MOBILE...
DOWNTOWN MOBILE... TILLMANS CORNER... THEODORE...
PRICHARD... I65 AND US 45... I65 AND I165...
I10 AND I65...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 12 AND 28. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 12.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...WHICH MAY
PRODUCE MINOR FLOODING ALONG LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3055 8839 3071 8842 3082 8804 3066 8802
3064 8803 3063 8805 3060 8805 3058 8806
3057 8808 3055 8808
TIME...MOT...LOC 0817Z 259DEG 39KT 3063 8832
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 7:42 PM CST | River Flood Warning | MOB | Covington, Escambia | 26 hr |
| Feb 21, 8:17 PM CST | River Flood Warning | MOB | Mobile | 39 hr |
| Feb 22, 2:19 AM CST | Special Marine Warning | MOB | 86 min | |
| Feb 22, 3:47 AM CST | Special Marine Warning | MOB | 88 min | |
| Feb 22, 5:18 AM CST | Special Marine Warning | MOB | 117 min | |
| Feb 22, 7:20 AM CST | Special Marine Warning | MOB | 85 min | |
| Feb 22, 10:05 AM CST | River Flood Warning | MOB | Escambia | 11 hr |
| Feb 22, 10:05 AM CST | River Flood Warning | MOB | Covington, Escambia | 11 hr |
| Feb 22, 10:22 AM CST | River Flood Warning | MOB | Baldwin | 10 hr |
| Feb 22, 3:16 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Wilcox | 59 min |
| Feb 22, 4:11 PM CST | Severe Thunderstorm Warning | MOB | Wilcox | 34 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2013Every severe thunderstorm warning in 2013
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.