Alert archive / Florida / Tornado Warnings in 2014

Tornado Warning 27, NWS Mobile, AL

September 15, 2014Escambia County, Florida

NWS Mobile, AL issued this tornado warning at Sep 15, 2014, 6:57 PM CDT for Escambia County, Florida. It was in force for 18 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
Sep 15, 2014, 6:57 PM CDT (23:57 UTC)
Expired
Sep 15, 2014, 7:15 PM CDT
In force
18 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Escambia County, FL

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 23:55 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 12.0 hours before the alert went out and 246 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 2014-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1733 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
1733 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
4 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.

169 
WFUS54 KMOB 152357
TORMOB
FLC033-160015-
/O.NEW.KMOB.TO.W.0027.140915T2357Z-140916T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
657 PM CDT MON SEP 15 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 715 PM CDT

* AT 655 PM CDT...A WATERSPOUT WAS LOCATED 3 MILES SOUTHEAST OF GULF
  BREEZE...OR 4 MILES SOUTHWEST OF ORIOLE BEACH...MOVING NORTHEAST
  AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PENSACOLA BEACH

LAT...LON 3033 8720 3034 8718 3034 8717 3035 8715
      3034 8712 3036 8705 3035 8704 3034 8704
      3032 8717 3031 8720
TIME...MOT...LOC 2357Z 206DEG 8KT 3033 8713

$$
1 follow-up statement
143 
WWUS54 KMOB 160016
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
716 PM CDT MON SEP 15 2014

FLC033-160026-
/O.EXP.KMOB.TO.W.0027.000000T0000Z-140916T0015Z/
ESCAMBIA FL-
716 PM CDT MON SEP 15 2014

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR EXTREME
SOUTHEASTERN ESCAMBIA COUNTY...

AT 715 PM CDT...THE WATERSPOUT THAT PROMPTED THE WARNING FOR EXTREME 
SOUTHEASTERN ESCAMBIA COUNTY APPEARS TO HAVE DISSIPATED OVER WATER 
BEFORE REACHING LAND...THUS THE TORNADO WARNING HAS BEEN ALLOWED TO 
EXPIRE.

LAT...LON 3033 8720 3034 8718 3034 8717 3035 8715
      3034 8712 3036 8705 3035 8704 3034 8704
      3032 8717 3031 8720
TIME...MOT...LOC 2357Z 206DEG 8KT 3033 8713

$$

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.