Alert archive / Florida / Tornado Warnings in 2014

Tornado Warning 23, NWS Mobile, AL

April 29, 2014Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Apr 29, 2014, 8:59 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 31 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
Apr 29, 2014, 8:59 PM CDT (01:59 UTC)
Expired
Apr 29, 2014, 9:30 PM CDT
In force
31 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 105 km from the middle of the area, began a volume at 02:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 29, 12:46 PM CDTTornado WatchSPC10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.0 hours before the alert went out and 259 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 00:00Z on 2014-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3284 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2014-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.19395878Sfc1 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
3284 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
3.5
Supercell composite
13.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

792 
WFUS54 KMOB 300159
TORMOB
FLC091-113-300230-
/O.NEW.KMOB.TO.W.0023.140430T0159Z-140430T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
ISSUED BY NATIONAL WEATHER SERVICE NEW ORLEANS LA
859 PM CDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF NAVARRE...

* UNTIL 930 PM CDT

* AT 856 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
  NAVARRE...OR 9 MILES EAST OF PENSACOLA...MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WRIGHT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

&&

LAT...LON 3038 8711 3040 8711 3041 8703 3044 8695
      3046 8695 3050 8703 3054 8701 3045 8706
      3043 8709 3044 8710 3044 8711 3048 8710
      3052 8712 3067 8670 3043 8659
TIME...MOT...LOC 0159Z 260DEG 24KT 3044 8703

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 8:07 PM CDTFlash Flood Warning EmergencyMOBEscambia, Okaloosa, Santa Rosa18 hr
Apr 29, 8:15 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa45 min
Apr 29, 8:26 PM CDTTornado WarningMOBEscambia, Santa Rosa34 min
Apr 29, 8:34 PM CDTTornado WarningMOBOkaloosa26 min
Apr 29, 8:53 PM CDTRiver Flood WarningMOBEscambia, Okaloosa, Santa Rosa57 hr
Apr 29, 9:24 PM CDTTornado WarningMOBOkaloosa, Santa Rosa36 min
Apr 29, 9:49 PM CDTTornado WarningMOBOkaloosa26 min
Apr 29, 9:59 PM CDTTornado WarningMOBOkaloosa61 min
Apr 29, 10:23 PM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa40 hr
Apr 29, 10:28 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Apr 29, 11:23 PM CDTRiver Flood WarningMOBEscambia, Okaloosa, Santa Rosa49 hr
Apr 29, 11:34 PM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa69 hr
Apr 29, 11:39 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa66 min
Apr 30, 1:43 AM CDTRiver Flood WarningMOBEscambia50 hr
Apr 30, 7:06 AM CDTCoastal Flood StatementMOB8 hr
Apr 30, 10:35 AM CDTRiver Flood WarningMOBEscambia71 hr
Apr 30, 2:06 PM CDTAreal Flood WarningMOBEscambia, Okaloosa, Santa Rosa24 hr

Nearby

Tornado Warnings in Florida, 2014Every tornado warning in 2014Tornadoes in 2014

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.