Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 21, NWS Tallahassee, FL

December 27, 20114 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Dec 27, 2011, 3:26 AM CST for 4 counties in Florida. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 27, 2011, 3:26 AM CST (09:26 UTC)
Expired
Dec 27, 2011, 6:00 PM CST
In force
15 hr
Issued by
NWS Tallahassee, FL

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

The radar

The Eglin Afb radar (KEVX), 64 km from the middle of the area, began a volume at 09:30 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 00:00Z, 9.4 hours before the alert went out and 116 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 00:00Z on 2011-12-27Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2011-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897Sfc1 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
1307 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
244 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.

633 
WHUS42 KTAE 270926
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
426 AM EST TUE DEC 27 2011

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

.A STRONG COLD FRONT WILL MOVE EAST OF THE AREA THIS MORNING WITH
STRONG AND GUSTY WEST WINDS EXPECTED OVER AREA BEACHES. THIS WILL
KICK SURF HEIGHTS UP TO 3 TO 4 FEET ALONG THE PANHANDLE COAST
WHICH WILL IN TURN GREATLY INCREASE THE THREAT FOR RIP CURRENTS.

FLZ108-112-114-115-280000-
/O.NEW.KTAE.RP.S.0021.111227T0926Z-111228T0000Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
426 AM EST TUE DEC 27 2011 /326 AM CST TUE DEC 27 2011/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RIP
CURRENT RISK.

* SURF HEIGHTS...3 TO 4 FEET AT WEST AND SOUTH FACING BEACHES IN
  THE FLORIDA PANHANDLE.

* TIMING...TODAY.

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. 

&&

$$

18-WOOL

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 26, 11:56 PM CSTSpecial Marine WarningTAE49 min
Dec 27, 12:12 AM CSTSpecial Marine WarningTAE33 min
Dec 27, 12:43 AM CSTSpecial Marine WarningTAE47 min
Dec 27, 12:47 AM CSTSpecial Weather StatementTAEBay33 min
Dec 27, 1:18 AM CSTSpecial Weather StatementTAEBay57 min
Dec 27, 1:31 AM CSTSpecial Marine WarningTAE59 min
Dec 27, 2:16 AM CSTSpecial Weather StatementTAEBay, Calhoun, Gulf, Liberty59 min
Dec 27, 2:26 AM CSTSpecial Marine WarningTAE64 min

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; radar from the NEXRAD Level II archive.