Alert archive / Florida / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

July 29, 2015Escambia County, Florida

NWS Mobile, AL issued this special weather statement at Jul 29, 2015, 3:21 PM CDT for Escambia County, Florida. It was in force for 54 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: Jul 29, 2015, 3:21 PM CDT (20:21 UTC)
Expired: Jul 29, 2015, 4:15 PM CDT
In force: 54 min
Issued by: NWS Mobile, AL

County Escambia County, FL

The radar

The Mobile radar (KMOB), 101 km from the middle of the area, began a volume at 20:24 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, 8.4 hours before the alert went out and 235 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1183 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 63 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.

255 
WWUS84 KMOB 292021
SPSMOB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
321 PM CDT WED JUL 29 2015
 
FLZ202-292115-
ESCAMBIA COASTAL FL-
321 PM CDT WED JUL 29 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...COASTAL ESCAMBIA IN NORTHWEST FLORIDA UNTIL 415 PM CDT...

AT 320 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM NEAR JOHNSONS BEACH TO NEAR GULF BREEZE...AND
MOVING SOUTH AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
PENSACOLA...           GULF BREEZE...         JOHNSONS BEACH...

THE PRIMARY THREATS FROM THESE STORMS 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 THESE STORMS HAVE PASSED.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. 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.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

LAT...LON 3036 8742 3045 8717 3035 8715 3036 8718
      3034 8719 3034 8709 3033 8721 3041 8722
      3037 8732 3037 8726 3033 8727 3032 8721
      3032 8723 3033 8730 3034 8727 3035 8729
      3030 8743
TIME...MOT...LOC 2020Z 359DEG 12KT 3033 8735 3038 8720 

$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 11:48 AM CDT	Special Weather Statement	MOB	Covington	57 min
Jul 29, 1:17 PM CDT	Severe Thunderstorm Warning	MOB	Covington	27 min
Jul 29, 1:23 PM CDT	Special Weather Statement	MOB	Wilcox	52 min
Jul 29, 1:52 PM CDT	Special Weather Statement	MOB	Mobile	53 min
Jul 29, 1:58 PM CDT	Special Marine Warning	MOB		92 min
Jul 29, 2:35 PM CDT	Special Marine Warning	MOB		55 min
Jul 29, 2:48 PM CDT	Special Weather Statement	MOB	Clarke, Washington	42 min
Jul 29, 2:51 PM CDT	Special Marine Warning	MOB		84 min
Jul 29, 2:52 PM CDT	Special Marine Warning	MOB		83 min
Jul 29, 3:18 PM CDT	Special Marine Warning	MOB		57 min
Jul 29, 3:35 PM CDT	Special Marine Warning	MOB		40 min
Jul 29, 3:39 PM CDT	Special Weather Statement	MOB	Covington	66 min
Jul 29, 4:10 PM CDT	Special Marine Warning	MOB		65 min
Jul 29, 4:39 PM CDT	Special Marine Warning	MOB		81 min
Jul 29, 4:41 PM CDT	Special Marine Warning	MOB		64 min
Jul 29, 4:59 PM CDT	Special Weather Statement	MOB	Baldwin, Mobile	46 min
Jul 29, 5:16 PM CDT	Special Marine Warning	MOB		59 min
Jul 29, 12:48 PM CDT	Special Weather Statement	MOB	Okaloosa	57 min
Jul 29, 2:32 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	58 min
Jul 29, 4:35 PM CDT	Special Weather Statement	MOB	Okaloosa	55 min

Nearby

Special Weather Statements in Florida, 2015 Every 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.