Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 83, NWS Tallahassee, FL

August 11, 2017Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Aug 11, 2017, 9:16 AM CDT for Bay County, Gulf County, Walton County, Florida. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2017, 9:16 AM CDT (14:16 UTC)
Expired
Aug 13, 2017, 1:00 AM CDT
In force
40 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 14:17 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, 2.3 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 2017-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 507 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 2017-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
507 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
865 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WHUS42 KTAE 111416
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1016 AM EDT FRI AUG 11 2017

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

.GROUND SWELL PRODUCED BY NOW DISSIPATED HURRICANE FRANKLIN
CONTINUES TO SUPPORT 2 TO 3 FOOT SURF AND STRONG RIP CURRENTS. 
RED FLAGS ARE FLYING FROM CAPE SAN BLAS WEST ALONG THE COAST.

FLZ108-112-114-112330-
/O.NEW.KTAE.RP.S.0083.170811T1416Z-170812T0900Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
1016 AM EDT FRI AUG 11 2017 /916 AM CDT FRI AUG 11 2017/

...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. 

* TIMING...CONTINUING THROUGH AT LEAST TONIGHT.

* IMPACTS...DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE. THEY OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR...AS WELL AS IN THE VICINITY OF JETTIES AND PIERS.

HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS...AND SIGNS
BEFORE ENTERING THE WATER. IF CAUGHT IN A RIP CURRENT DO NOT SWIM
AGAINST IT. FACE THE SHORE AND SIGNAL FOR HELP. FLOAT OR TREAD
WATER UNTIL THE CURRENT ENDS OR UNTIL RESCUED.

&&

$$

18-WOOL
1 follow-up statement
953 
WHUS42 KTAE 120748
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
348 AM EDT SAT AUG 12 2017

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

FLZ108-112-114-130600-
/O.EXT.KTAE.RP.S.0083.000000T0000Z-170813T0600Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
348 AM EDT SAT AUG 12 2017 /248 AM CDT SAT AUG 12 2017/

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

* TIMING...CONTINUING THROUGH LATE TONIGHT.

* IMPACTS...DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE. THEY OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR...AS WELL AS IN THE VICINITY OF JETTIES AND PIERS.

HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS...AND SIGNS
BEFORE ENTERING THE WATER. IF CAUGHT IN A RIP CURRENT DO NOT SWIM
AGAINST IT. FACE THE SHORE AND SIGNAL FOR HELP. FLOAT OR TREAD
WATER UNTIL THE CURRENT ENDS OR UNTIL RESCUED.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 5:50 AM CDTDense Fog AdvisoryTAEHolmes, Walton112 min

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.