Alert archive / Alabama / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 1, 2015, 7:19 PM CST for Choctaw 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
- Feb 1, 2015, 7:19 PM CST (01:19 UTC)
- Expired
- Feb 1, 2015, 8:15 PM CST
- In force
- 56 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 160 km from the middle of the area, began a volume at 01:20 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
Birmingham, AL (KBMX), launched 00:00Z, 1.3 hours before the alert went out and 171 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
- 11 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 491 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 320 m²/s²
- 0-3 km storm-relative helicity
- 366 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
105
WUUS54 KMOB 020119
SVRMOB
ALC023-020215-
/O.NEW.KMOB.SV.W.0002.150202T0119Z-150202T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
719 PM CST SUN FEB 1 2015
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 815 PM CST
* AT 715 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
14 MILES NORTHEAST OF MERIDIAN TO 13 MILES WEST OF QUITMAN...AND
MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
TOXEY... PENNINGTON... NEEDHAM...
LISMAN... BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.
&&
LAT...LON 3228 8794 3230 8795 3228 8801 3215 8801
3214 8804 3208 8804 3205 8811 3201 8811
3200 8807 3197 8807 3195 8812 3194 8811
3188 8816 3191 8848 3231 8842 3231 8793
TIME...MOT...LOC 0119Z 277DEG 36KT 3246 8845 3204 8889
$$2 follow-up statements
198
WWUS54 KMOB 020153
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
753 PM CST SUN FEB 1 2015
ALC023-020215-
/O.CON.KMOB.SV.W.0002.000000T0000Z-150202T0215Z/
CHOCTAW AL-
753 PM CST SUN FEB 1 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CST
FOR CHOCTAW COUNTY...
AT 748 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
20 MILES NORTHWEST OF LINDEN TO 10 MILES EAST OF QUITMAN...MOVING
EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
TOXEY... PENNINGTON... NEEDHAM...
LISMAN... BUTLER...
LAT...LON 3228 8794 3230 8795 3228 8801 3215 8801
3214 8804 3208 8804 3205 8811 3201 8811
3200 8807 3197 8807 3195 8812 3194 8811
3188 8816 3191 8848 3231 8842 3231 8793
TIME...MOT...LOC 0153Z 277DEG 36KT 3242 8805 3200 8849
$$923
WWUS54 KMOB 020215
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
815 PM CST SUN FEB 1 2015
ALC023-020226-
/O.EXP.KMOB.SV.W.0002.000000T0000Z-150202T0215Z/
CHOCTAW AL-
815 PM CST SUN FEB 1 2015
...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
CHOCTAW COUNTY...
AT 810 PM CST...THE STORM THAT PROMPTED THE WARNING FOR CHOCTAW
COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3228 8794 3230 8795 3228 8801 3215 8801
3214 8804 3208 8804 3205 8811 3201 8811
3200 8807 3197 8807 3195 8812 3194 8811
3188 8816 3191 8848 3231 8842 3231 8793
TIME...MOT...LOC 0153Z 277DEG 36KT 3242 8805 3200 8849
$$Nearby
Severe Thunderstorm Warnings in Alabama, 2015Every severe thunderstorm warning in 2015
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.