Alert archive / Alabama / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 49, NWS Mobile, AL

June 10, 2015Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 10, 2015, 5:15 PM CDT for Choctaw County, Alabama. It was in force for 28 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
Jun 10, 2015, 5:15 PM CDT (22:15 UTC)
Expired
Jun 10, 2015, 5:43 PM CDT
In force
28 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Choctaw County, AL

The radar

The Jackson/Brandon,MS radar (KDGX), 160 km from the middle of the area, began a volume at 22:15 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

Jackson, MS (KJAN), launched 12:00Z, 10.3 hours before the alert went out and 169 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2015-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 382 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2015-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
382 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

290 
WUUS54 KMOB 102215
SVRMOB
ALC023-102300-
/O.NEW.KMOB.SV.W.0049.150610T2215Z-150610T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
515 PM CDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CHOCTAW COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 600 PM CDT

* AT 515 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED OVER SNELL...
  OR 16 MILES NORTHWEST OF BUTLER...AND MOVING SOUTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUTLER...              LISMAN...              NEEDHAM...
  WEST BUTLER...         ROCK SPRINGS...        LAND...
  RED SPRINGS...         PUSHMATAHA...          MOLLIE...
  RIDERWOOD...           HALSELL...             YANTLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

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 3231 8818 3198 8820 3195 8847 3231 8842
TIME...MOT...LOC 2215Z 307DEG 13KT 3221 8846 
$$
1 follow-up statement
101 
WWUS54 KMOB 102243
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
543 PM CDT WED JUN 10 2015

ALC023-102252-
/O.CAN.KMOB.SV.W.0049.000000T0000Z-150610T2300Z/
CHOCTAW AL-
543 PM CDT WED JUN 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHOCTAW COUNTY
HAS BEEN CANCELLED...

AT 542 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
CHOCTAW COUNTY HAS WEAKENED BELOW SEVERE LIMITS THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALTHOUGH STORMS HAVE WEAKENED BELOW SEVERE LIMITS...HEAVY 
RAIN...FREQUENT LIGHTNING AND GUSTY WINDS CAN STILL BE EXPECTED IN 
NORTHWESTERN CHOCTAW COUNTY. WATCH FOR PONDING OF WATER AND MINOR 
FLOODING ON AREA ROADWAYS. 

&&

LAT...LON 3231 8818 3198 8820 3195 8847 3231 8842
TIME...MOT...LOC 2239Z 307DEG 13KT 3215 8837 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 7:57 PM CDTAreal Flood AdvisoryMOBButler3 hr
Jun 10, 2:11 PM CDTSpecial Weather StatementMOBWilcox64 min
Jun 10, 2:34 PM CDTSpecial Weather StatementMOBChoctaw56 min
Jun 10, 2:57 PM CDTSpecial Weather StatementMOBButler63 min
Jun 10, 3:34 PM CDTSpecial Weather StatementMOBChoctaw56 min
Jun 10, 3:54 PM CDTSpecial Weather StatementMOBCrenshaw51 min
Jun 10, 3:56 PM CDTSpecial Weather StatementMOBCrenshaw64 min
Jun 10, 4:29 PM CDTSevere Thunderstorm WarningMOBChoctaw36 min

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.