Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 21, NWS Tallahassee, FL

August 31, 2012Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Aug 31, 2012, 10:44 AM CDT for Bay County, Gulf County, Walton County, Florida. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Aug 31, 2012, 10:44 AM CDT (15:44 UTC)
Expired
Sep 1, 2012, 5:00 AM CDT
In force
18 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Gulf County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 15:46 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, 3.7 hours before the alert went out and 134 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 2012-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 787 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, Tallahassee Rgnl, FL at 12:00Z on 2012-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
787 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
34 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.

844 
WHUS42 KTAE 311544
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1144 AM EDT FRI AUG 31 2012

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH FRIDAY NIGHT FOR
THE BEACHES OF WALTON...BAY...AND GULF COUNTIES...

FLZ108-112-114-011000-
/O.NEW.KTAE.RP.S.0021.120831T1544Z-120901T1000Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
1144 AM EDT FRI AUG 31 2012 /1044 AM CDT FRI AUG 31 2012/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH LATE TONIGHT. 

* WAVES AND SURF...4 TO 6 FEET IN BAY AND WALTON COUNTIES
  DIMINISHING TO 3 TO 5 FEET ON WEST FACING BEACHES OF GULF
  COUNTY. 

* IMPACTS...THE LARGE SURF WILL CREATE DANGEROUS AND LIFE
  THREATENING RIP CURRENTS ALONG THE BEACHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG RIP CURRENTS ARE LIKELY TODAY. EVERYONE SHOULD REMAIN OUT
OF THE WATER. 

&&

$$

GODSEY

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 1:08 PM CDTHeat AdvisoryTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 8 more26 hr

Nearby

Rip Current Statements in Florida, 2012Every rip current statement in 2012

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.