Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 193, NWS Mobile, AL

September 24, 2016Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Sep 24, 2016, 4:24 PM CDT for Santa Rosa County, Florida. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 24, 2016, 4:24 PM CDT (21:24 UTC)
Expired
Sep 24, 2016, 5:08 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 21:28 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.

What was reported inside it

TimeReportWhereRemark
Sep 24, 4:40 PM CDTTSTM WND GST 02 Ene Oriole Beach, FLMESONET REPORT OF 50 MPH WIND GUST AT TIGER POINT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.4 hours before the alert went out and 245 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 2016-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1456 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 2016-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1456 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

535 
WUUS54 KMOB 242124
SVRMOB
FLC113-242230-
/O.NEW.KMOB.SV.W.0193.160924T2124Z-160924T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
424 PM CDT SAT SEP 24 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 530 PM CDT

* AT 424 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NAVARRE...OR
  11 MILES EAST OF GULF BREEZE...MOVING SOUTHWEST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  PENSACOLA...GULF BREEZE...ORIOLE BEACH...NAVARRE...
  PENSACOLA BEACH AND NAVARRE BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3022 8725 3032 8724 3032 8723 3033 8724
      3037 8724 3046 8696 3038 8685 3025 8703
      3022 8720
TIME...MOT...LOC 2124Z 061DEG 12KT 3040 8698 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
624 
WWUS54 KMOB 242208
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
508 PM CDT SAT SEP 24 2016

FLC113-242217-
/O.CAN.KMOB.SV.W.0193.000000T0000Z-160924T2230Z/
SANTA ROSA FL-
508 PM CDT SAT SEP 24 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SANTA ROSA
COUNTY IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 3022 8725 3032 8724 3032 8723 3033 8724
      3037 8724 3046 8696 3038 8685 3025 8703
      3022 8720
TIME...MOT...LOC 2202Z 061DEG 12KT 3058 8714 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 2:57 PM CDTSpecial Weather StatementMOBOkaloosa48 min
Sep 24, 3:02 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa28 min
Sep 24, 3:26 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa34 min
Sep 24, 4:05 PM CDTSpecial Weather StatementMOBEscambia25 min
Sep 24, 4:57 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.