Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 185, NWS Mobile, AL

October 13, 2001Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 9:31 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 13, 2001, 9:31 PM CDT (02:31 UTC)
Expired: Oct 13, 2001, 10:00 PM CDT
In force: 29 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Okaloosa County, FL, Santa Rosa County, FL

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 13, 6:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.5 hours before the alert went out and 234 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1342 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 191 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.

588 
WUUS54 KMOB 140231
SVRMOB
FLC091-113-140300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
931 PM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 1000 PM CDT

* AT 931 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 7 MILES WEST OF HAROLD TO 17
  MILES SOUTHWEST OF NAVARRE...MOVING EAST AT 40 MPH.  THIS IS AN
  EXTENSION OF THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT
  FOR SANTA ROSA COUNTY FLORIDA.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WYNNEHAVEN BEACH BY 935 PM CDT
  GALLIVER BY 940 PM CDT
  BAKER...HOLT BY 945 PM CDT
  WRIGHT...MILLIGAN BY 950 PM CDT

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

LAT...LON 3079 8696 3012 8696 3023 8640 3090 8639

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 8:21 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	39 min
Oct 13, 8:55 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	35 min
Oct 13, 9:59 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	46 min

Nearby

Severe Thunderstorm Warnings in Florida, 2001 Every severe thunderstorm warning in 2001

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.