Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 105, NWS Tallahassee, FL

November 28, 2015Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Nov 28, 2015, 10:21 AM CST for Walton County, Florida. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Nov 28, 2015, 10:21 AM CST (16:21 UTC)
Expired: Nov 28, 2015, 11:00 PM CST
In force: 13 hr
Issued by: NWS Tallahassee, FL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 16:22 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, 4.4 hours before the alert went out and 181 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1344 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 11 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.

056 
WHUS42 KTAE 281621
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1121 AM EST SAT NOV 28 2015

...HIGH RISK FOR RIP CURRENTS TODAY AT WALTON COUNTY BEACHES...

EASTERLY FLOW WILL RESULT IN WINDS PARALLEL TO THE COAST IN WALTON
AND FRANKLIN COUNTIES THAT MAY RESULT IN STRONGER AND MORE
FREQUENT RIP CURRENTS TODAY. ELSEWHERE...OFFSHORE WINDS WILL FAVOR
WEAKER AND LESS FREQUENT RIP CURRENTS. SURF HEIGHTS ARE EXPECTED
TO BE 2 FEET OR LESS.

FLZ108-290500-
/O.NEW.KTAE.RP.S.0105.151128T1621Z-151129T0500Z/
SOUTH WALTON-
1021 AM CST SAT NOV 28 2015

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

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

* TIMING...UNTIL MIDNIGHT.

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...BEACH PATROL
FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. 

&&

$$

Nearby

Rip Current Statements in Florida, 2015 Every rip current statement in 2015

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.