Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

June 15, 2017Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Jun 15, 2017, 12:21 PM CDT for Mobile 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
Jun 15, 2017, 12:21 PM CDT (17:21 UTC)
Expired
Jun 15, 2017, 1:00 PM CDT
In force
39 min
Issued by
NWS Mobile, AL

County Mobile County, AL

The radar

The Mobile radar (KMOB), 20 km from the middle of the area, began a volume at 17:23 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.4 hours before the alert went out and 165 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 2017-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1516 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 2017-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
1516 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

461 
WWUS84 KMOB 151721
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1221 PM CDT THU JUN 15 2017
 
ALZ263-264-151800-
Baldwin Central AL-Mobile Central AL-
1221 PM CDT THU JUN 15 2017

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE AND WEST CENTRAL BALDWIN COUNTIES UNTIL 100 PM CDT...

At 1221 PM CDT, the strong thunderstorm was located over Downtown
Mobile, moving southeast at 5 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Midtown Mobile, Downtown Mobile, Prichard, Daphne, Chickasaw, Spanish
Fort, I65 And I165 and I10 And I65.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

&&

LAT...LON 3064 8818 3079 8807 3068 8779 3043 8799
TIME...MOT...LOC 1721Z 303DEG 6KT 3068 8806 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 10:34 AM CDTSpecial Weather StatementMOBMonroe56 min
Jun 15, 10:41 AM CDTSpecial Marine WarningMOB64 min
Jun 15, 10:46 AM CDTSpecial Weather StatementMOBBaldwin89 min
Jun 15, 11:19 AM CDTSpecial Weather StatementMOBClarke41 min
Jun 15, 11:57 AM CDTAreal Flood AdvisoryMOBMobile3 hr
Jun 15, 12:02 PM CDTSpecial Weather StatementMOBMonroe43 min
Jun 15, 12:28 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia, Monroe47 min
Jun 15, 12:38 PM CDTSpecial Weather StatementMOBEscambia52 min
Jun 15, 12:51 PM CDTSpecial Weather StatementMOBEscambia39 min
Jun 15, 1:02 PM CDTSpecial Weather StatementMOBMobile43 min
Jun 15, 1:08 PM CDTSpecial Weather StatementMOBConecuh, Escambia52 min
Jun 15, 1:20 PM CDTAreal Flood AdvisoryMOBBaldwin, Escambia3 hr
Jun 15, 1:22 PM CDTSpecial Weather StatementMOBBaldwin53 min
Jun 15, 1:35 PM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Jun 15, 2:00 PM CDTSpecial Weather StatementMOBMobile45 min
Jun 15, 2:12 PM CDTSpecial Weather StatementMOBCovington48 min
Jun 15, 2:20 PM CDTSpecial Weather StatementMOBClarke, Monroe, Wilcox85 min
Jun 15, 2:37 PM CDTAreal Flood AdvisoryMOBMobile113 min
Jun 15, 2:43 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox42 min
Jun 15, 3:02 PM CDTSpecial Weather StatementMOBWashington43 min
Jun 15, 3:12 PM CDTSpecial Weather StatementMOBMarengo48 min
Jun 15, 3:44 PM CDTAreal Flood AdvisoryMOBChoctaw3 hr
Jun 15, 3:51 PM CDTSpecial Weather StatementMOBClarke, Washington54 min
Jun 15, 4:49 PM CDTSpecial Weather StatementMOBWashington71 min
Jun 15, 5:01 PM CDTAreal Flood AdvisoryMOBWashington3 hr
Jun 15, 5:14 PM CDTSpecial Weather StatementMOBWilcox46 min
Jun 15, 5:50 PM CDTSpecial Weather StatementMOBChoctaw, Clarke40 min
Jun 15, 6:48 PM CDTSpecial Weather StatementMOBWashington72 min
Jun 15, 9:24 AM CDTSpecial Weather StatementMOBOkaloosa, Santa Rosa96 min
Jun 15, 10:55 AM CDTSpecial Weather StatementMOBOkaloosa50 min
Jun 15, 12:24 PM CDTSpecial Weather StatementMOBEscambia, Santa Rosa51 min
Jun 15, 4:21 PM CDTSpecial Weather StatementMOBWayne69 min

Nearby

Special Weather Statements in Alabama, 2017Every special weather statement in 2017

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.