Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Mobile, AL

August 2, 2019Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 2, 2019, 12:13 PM CDT for Mobile County, Alabama. It was in force for 32 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 2, 2019, 12:13 PM CDT (17:13 UTC)
Expired
Aug 2, 2019, 12:45 PM CDT
In force
32 min
Issued by
NWS Mobile, AL

County Mobile County, AL

The radar

The Mobile radar (KMOB), 14 km from the middle of the area, began a volume at 17:16 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, 5.2 hours before the alert went out and 154 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 2019-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 586 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 2019-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.193958Sfc1 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
586 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

561 
WWUS84 KMOB 021713
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1213 PM CDT Fri Aug 2 2019
 
ALZ263-265-021745-
Mobile Coastal AL-Mobile Central AL-
1213 PM CDT Fri Aug 2 2019

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE COUNTY UNTIL 1245 PM CDT...

At 1213 PM CDT, the strong thunderstorm was located over Tillmans
Corner, moving northwest at 10 mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

Locations impacted include...
Midtown Mobile, 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 3059 8834 3070 8813 3062 8810 3061 8812
      3059 8812 3057 8810 3057 8809 3058 8809
      3058 8810 3059 8811 3060 8811 3061 8810
      3055 8808 3048 8818
TIME...MOT...LOC 1713Z 137DEG 9KT 3057 8818 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 5:30 AM CDTSpecial Marine WarningMOB2 hr
Aug 2, 12:50 PM CDTSpecial Weather StatementMOBBaldwin25 min
Aug 2, 1:19 PM CDTSpecial Weather StatementMOBBaldwin26 min
Aug 2, 1:39 PM CDTSpecial Weather StatementMOBBaldwin36 min
Aug 2, 1:43 PM CDTSpecial Marine WarningMOB49 min
Aug 2, 1:57 PM CDTSevere Thunderstorm WarningMOBBaldwin33 min
Aug 2, 2:04 PM CDTSpecial Weather StatementMOBMobile26 min
Aug 2, 2:30 PM CDTSpecial Marine WarningMOB36 min
Aug 2, 2:44 PM CDTSevere Thunderstorm WarningMOBEscambia20 min
Aug 2, 3:39 PM CDTSpecial Weather StatementMOBBaldwin36 min
Aug 2, 4:02 PM CDTAreal Flood AdvisoryMOBBaldwin118 min
Aug 2, 4:59 PM CDTSpecial Weather StatementMOBClarke46 min
Aug 2, 5:25 PM CDTAreal Flood AdvisoryMOBClarke, Washington3 hr
Aug 2, 2:27 PM CDTSpecial Weather StatementMOBOkaloosa33 min

Nearby

Special Weather Statements in Alabama, 2019Every special weather statement in 2019

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.