Alert archive / Florida / Tornado Warnings in 2002

Tornado Warning 17, NWS Mobile, AL

September 25, 2002Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Sep 25, 2002, 5:16 PM CDT for Okaloosa County, Florida. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 25, 2002, 5:16 PM CDT (22:16 UTC)
Expired
Sep 26, 2002, 7:15 AM CDT
In force
14 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Okaloosa County, FL

The radar

The Mobile radar (KMOB), 11 km from the middle of the area, began a volume at 22:17 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
Sep 25, 12:30 PM CDTTornado WatchSPC12 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.3 hours before the alert went out and 139 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 2002-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2002-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 354 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
354 m²/s²
0-3 km storm-relative helicity
511 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

421 
WFUS54 KMOB 252216
TORMOB
FLC091-252315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
515 PM CDT WED SEP 25 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 615 PM CDT

* AT 512 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO 5 MILES SOUTHEAST OF SEMINOLE...MOVING NORTHWEST AT      
  35 MPH.

* THE TORNADO WILL BE NEAR...
  SEMINOLE BY 520 PM CDT
  NICEVILLE...POSTIL BY 525 PM CDT
  VALPARAISO BY 530 PM CDT
  MILLIGAN...HOLT BY 555 PM CDT

IF YOU ARE IN THE PATH OF A TORNADO...ABANDON VEHICLES AND TRAILER
HOMES AND SEEK A REINFORCED SHELTER UNTIL THE STORM HAS PASSED.

LAT...LON 3037 8638 3056 8638 3097 8678 3071 8679

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 2:08 PM CDTTornado WarningMOBOkaloosa, Santa Rosa3 hr
Sep 25, 3:18 PM CDTTornado WarningMOBSanta Rosa3 hr
Sep 25, 3:57 PM CDTTornado WarningMOBOkaloosa3 hr
Sep 25, 4:07 PM CDTTornado WarningMOBOkaloosa, Santa Rosa3 hr
Sep 25, 4:28 PM CDTTornado WarningMOBOkaloosa4 hr
Sep 25, 5:18 PM CDTFlash Flood WarningMOBOkaloosa117 min
Sep 25, 6:28 PM CDTTornado WarningMOBOkaloosa14 hr
Sep 25, 6:59 PM CDTFlash Flood WarningMOBOkaloosa2 hr

Nearby

Tornado Warnings in Florida, 2002Every tornado warning in 2002Tornadoes in 2002

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.