Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

August 6, 2016Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 6, 2016, 6:31 PM CDT for Mobile County, Alabama. It was in force for 29 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
Aug 6, 2016, 6:31 PM CDT (23:31 UTC)
Expired
Aug 6, 2016, 7:00 PM CDT
In force
29 min
Issued by
NWS Mobile, AL

County Mobile County, AL

The radar

The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 23:30 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 12:00Z, 11.5 hours before the alert went out and 153 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, Slidell Radar S, LA at 12:00Z on 2016-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1270 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, Slidell Radar S, LA at 12:00Z on 2016-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
1270 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

327 
WWUS84 KMOB 062331
SPSMOB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
631 PM CDT SAT AUG 6 2016
 
ALZ263-265-070000-
MOBILE CENTRAL AL-MOBILE COASTAL AL-
631 PM CDT SAT AUG 6 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE COUNTY UNTIL 700 PM CDT...

AT 630 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED OVER I10 AND
I65... OR NEAR TILLMANS CORNER...MOVING SOUTHWEST AT 10 MPH.

THIS STORM HAS A HISTORY OF PRODUCING STRONG WINDS NEAR 50 MPH AT
DOWNTOWN MOBILE. 

LOCATIONS IMPACTED INCLUDE...
TILLMANS CORNER...THEODORE AND I10 AND I65. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3067 8817 3062 8805 3046 8809 3053 8827
TIME...MOT...LOC 2330Z 022DEG 9KT 3060 8812 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 10:59 PM CDTSpecial Marine WarningMOB61 min
Aug 6, 7:28 AM CDTSpecial Marine WarningMOB92 min
Aug 6, 5:44 PM CDTSpecial Weather StatementMOBMobile61 min
Aug 6, 5:51 PM CDTSevere Thunderstorm WarningMOBMobile39 min
Aug 6, 6:36 PM CDTSpecial Marine WarningMOB39 min
Aug 6, 6:05 PM CDTSpecial Weather StatementMOBWayne25 min
Aug 6, 6:47 PM CDTSpecial Weather StatementMOBWayne43 min

Nearby

Special Weather Statements in Alabama, 2016Every special weather statement in 2016

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.