Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

May 27, 2015Butler County, Alabama

NWS Mobile, AL issued this special weather statement at May 27, 2015, 3:21 PM CDT for Butler County, Alabama. It was in force for 39 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
May 27, 2015, 3:21 PM CDT (20:21 UTC)
Expired
May 27, 2015, 4:00 PM CDT
In force
39 min
Issued by
NWS Mobile, AL

County Butler County, AL

The radar

The Maxwell AFB radar (KMXX), 129 km from the middle of the area, began a volume at 20:23 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 12:00Z, 8.4 hours before the alert went out and 146 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, Birmingham, AL at 12:00Z on 2015-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 206 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, Birmingham, AL at 12:00Z on 2015-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
206 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

803 
WWUS84 KMOB 272021
SPSMOB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
321 PM CDT WED MAY 27 2015
 
ALZ054-055-057-272100-
BUTLER AL-MONROE AL-WILCOX AL-
321 PM CDT WED MAY 27 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BUTLER...
NORTHEASTERN MONROE AND SOUTHEASTERN WILCOX COUNTIES UNTIL 400 PM
CDT...

AT 321 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR PINE APPLE...
OR 21 MILES WEST OF GREENVILLE...MOVING NORTH AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
PINE APPLE...          RIDGEVILLE...          FOREST HOME...
RUTTHVEN...            AL 47 AND CR 29...     AWIN...
MONTEREY...            OLD TEXAS...           FURMAN...
BUTLER SPRINGS...      MOUNT MORIAH...        

THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 50 MPH. 
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND 
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING WIRED
TELEPHONES DIRECTLY CONNECTED TO OUTSIDE PHONE LINES.

LAT...LON 3196 8686 3196 8679 3173 8690 3175 8691
      3175 8693 3173 8696 3176 8707 3205 8698
      3205 8686
TIME...MOT...LOC 2021Z 200DEG 21KT 3179 8697 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:00 PM CDTDense Fog AdvisoryMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more8 hr
May 27, 5:10 AM CDTSpecial Marine WarningMOB95 min
May 27, 9:56 AM CDTRip Current StatementMOB21 hr
May 27, 12:44 PM CDTSpecial Weather StatementMOBClarke61 min
May 27, 2:25 PM CDTSpecial Weather StatementMOBCrenshaw65 min
May 27, 2:29 PM CDTSpecial Weather StatementMOBConecuh61 min
May 27, 3:28 PM CDTSpecial Weather StatementMOBCrenshaw47 min
May 27, 5:05 AM CDTSpecial Weather StatementMOBEscambia55 min

Nearby

Special Weather Statements in Alabama, 2015Every special weather statement 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.