Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 21, NWS Mobile, AL

July 5, 2013Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Jul 5, 2013, 12:31 PM CDT for Okaloosa County, Florida. It was in force for 44 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 5, 2013, 12:31 PM CDT (17:31 UTC)
Expired
Jul 5, 2013, 1:15 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 54 km from the middle of the area, began a volume at 17:31 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.5 hours before the alert went out and 206 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, Tallahassee Rgnl, FL at 12:00Z on 2013-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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, Tallahassee Rgnl, FL at 12:00Z on 2013-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
349 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
161 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.

369 
WFUS54 KMOB 051731
TORMOB
FLC091-051815-
/O.NEW.KMOB.TO.W.0021.130705T1731Z-130705T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1231 PM CDT FRI JUL 5 2013

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 115 PM CDT

* AT 1225 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES SOUTHEAST OF DESTIN...OR 17 MILES
  SOUTHEAST OF SHALIMAR...MOVING NORTHWEST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL EXTREME SOUTHEASTERN OKALOOSA COUNTY

LAT...LON 3041 8651 3042 8649 3041 8646 3042 8644
      3041 8640 3040 8639 3038 8639 3037 8640
      3037 8648
TIME...MOT...LOC 1730Z 162DEG 9KT 3029 8637

$$
2 follow-up statements
549 
WWUS54 KMOB 051747
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1247 PM CDT FRI JUL 5 2013

FLC091-051815-
/O.CON.KMOB.TO.W.0021.000000T0000Z-130705T1815Z/
OKALOOSA FL-
1247 PM CDT FRI JUL 5 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR EXTREME
SOUTHEASTERN OKALOOSA COUNTY...

AT 1245 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
 WAS LOCATED 8 MILES SOUTHEAST OF DESTIN...OR 14 MILES SOUTHEAST OF
SHALIMAR...MOVING NORTHWEST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  DESTIN

LAT...LON 3041 8651 3042 8649 3041 8646 3042 8644
      3041 8640 3040 8639 3038 8639 3037 8640
      3037 8648
TIME...MOT...LOC 1745Z 162DEG 9KT 3033 8638

$$
\
100 
WWUS54 KMOB 051805
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
105 PM CDT FRI JUL 5 2013

FLC091-051815-
/O.CON.KMOB.TO.W.0021.000000T0000Z-130705T1815Z/
OKALOOSA FL-
105 PM CDT FRI JUL 5 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR EXTREME
SOUTHEASTERN OKALOOSA COUNTY...

AT 105 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 5 MILES SOUTHEAST OF DESTIN...OR 10 MILES SOUTHEAST OF
SHALIMAR...MOVING NORTHWEST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  DESTIN AND SILVER BEACH

LAT...LON 3041 8651 3042 8649 3041 8646 3042 8644
      3041 8640 3040 8639 3038 8639 3037 8640
      3037 8648
TIME...MOT...LOC 1805Z 149DEG 7KT 3035 8641

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 9:17 AM CDTAreal Flood AdvisoryMOBEscambia118 min
Jul 5, 11:08 AM CDTAreal Flood WarningMOBOkaloosa12 hr
Jul 5, 11:11 AM CDTFlash Flood WarningMOBEscambia6 hr
Jul 5, 11:22 AM CDTAreal Flood AdvisoryMOBSanta Rosa113 min
Jul 5, 11:40 AM CDTAreal Flood WarningMOBSanta Rosa12 hr
Jul 5, 12:22 PM CDTFlash Flood WarningMOBSanta Rosa6 hr
Jul 5, 1:13 PM CDTTornado WarningMOBOkaloosa47 min
Jul 5, 1:45 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Jul 5, 1:59 PM CDTTornado WarningMOBOkaloosa31 min
Jul 5, 5:16 PM CDTAreal Flood WarningMOBEscambia12 hr
Jul 5, 6:21 PM CDTAreal Flood WarningMOBSanta Rosa6 hr

Nearby

Tornado Warnings in Florida, 2013Every tornado warning in 2013Tornadoes in 2013

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.