Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 12, NWS Tallahassee, FL

October 19, 2011Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Oct 19, 2011, 9:49 AM CDT for Bay County, Gulf County, Walton County, Florida. It took effect at Oct 19, 2011, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 19, 2011, 9:49 AM CDT (14:49 UTC)
In effect from
Oct 19, 2011, 10:00 AM CDT
Expired
Oct 19, 2011, 7:00 PM CDT
In force
9 hr
Issued by
NWS Tallahassee, FL

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.8 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 2011-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2011-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939587897117Sfc1 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
92 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
50 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.

404 
WHUS42 KTAE 191449
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1049 AM EDT WED OCT 19 2011

...A HIGH RIP CURRENT RISK IS IN EFFECT FROM 11 AM EDT/ 10AM CDT/
UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING FOR THE BEACHES OF
GULF...BAY...AND WALTON COUNTIES...

.STRONG WESTERLY TO NORTHWESTERLY WINDS BETWEEN 15 TO 20 MPH WITH
OCCASIONAL HIGHER GUSTS IN THE WAKE OF A COLD FRONT ARE GENERATING
SURF HEIGHTS BETWEEN 3 TO 5 FEET ALONG THE PANHANDLE OF
FLORIDA...ESPECIALLY ALONG WESTWARD FACING BEACHES. THIS HAS
CREATED A HIGH RIP CURRENT RISK FOR THESE LOCATIONS. FOR NON
WESTWARD FACING BEACHES ALONG THE PANHANDLE...THE STRONG WESTERLY
TO NORTHWESTERLY FLOW IS GENERATING STRONG LONGSHORE CURRENTS IN
TURN HELPING TO GENERATE STRONG RIP CURRENTS AT THESE BEACHES AS
WELL. WINDS AND SEAS WILL BEGIN TO SUBSIDE OVERNIGHT AND THE RIP
CURRENT RISK WILL DIMINISH AROUND SUNSET.

FLZ108-112-114-200000-
/O.NEW.KTAE.RP.S.0012.111019T1500Z-111020T0000Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
1049 AM EDT WED OCT 19 2011 /949 AM CDT WED OCT 19 2011/

...RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS
EVENING...

* SURF...3 TO 5 FEET WITH HIGHER SETS POSSIBLE...ESPECIALLY ALONG
  EASTERN BAY COUNTY...AND GULF COUNTY BEACHES.

* TIMING...INTO THIS EVENING.

* IMPACTS...STRONG WESTERLY TO NORTHWESTERLY WINDS WILL GENERATE
  STRONG RIP CURRENTS...ESPECIALLY ALONG BAY AND GULF COUNTY
  BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. RIP CURRENTS ARE POWERFUL
CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR
MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE
VICINITY OF STRUCTURES SUCH AS GROINS...JETTIES AND PIERS. HEED
THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION TO
FLAGS AND POSTED SIGNS. IF YOU BECOME CAUGHT IN A RIP CURRENT...
DO NOT PANIC. REMAIN CALM AND BEGIN TO SWIM PARALLEL TO SHORE.
ONCE YOU ARE AWAY FROM THE FORCE OF THE RIP CURRENT...BEGIN TO
SWIM BACK TO THE BEACH. DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST A
RIP CURRENT. EVEN A STRONG SWIMMER CAN BECOME EXHAUSTED QUICKLY. 

&&

$$

HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 3:21 AM CDTSmall Craft AdvisoryTAE35 hr
Oct 19, 3:55 AM CDTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more24 hr
Oct 19, 3:55 AM CDTRed Flag WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 5 more14 hr

Nearby

Rip Current Statements in Florida, 2011Every rip current statement in 2011

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.