Alert archive / Florida / Rip Current Statements in 2016

Rip Current Statement 101, NWS Tallahassee, FL

November 30, 20164 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Nov 30, 2016, 2:45 AM CST for 4 counties in Florida. It took effect at Nov 30, 2016, 3:00 AM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Nov 30, 2016, 2:45 AM CST (08:45 UTC)
In effect from
Nov 30, 2016, 3:00 AM CST
Expired
Dec 1, 2016, 12:00 AM CST
In force
21 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 08:50 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, 8.8 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 2016-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 00:00Z on 2016-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
133 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

516 
WHUS42 KTAE 300845
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
345 AM EST WED NOV 30 2016

...HIGH RISK OF RIP CURRENTS FOR BEACHES FROM WALTON COUNTY
THROUGH FRANKLIN COUNTY...

.STRONG SOUTHERLY FLOW AND SURF HEIGHTS 3 TO 5 FEET WILL CONTINUE
THE THREAT FOR LIFE THREATENING RIP CURRENTS.

FLZ108-112-114-115-010600-
/O.NEW.KTAE.RP.S.0101.161130T0900Z-161201T0600Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
345 AM EST WED NOV 30 2016 /245 AM CST WED NOV 30 2016/

...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. 

* LOCATION...BEACHES FROM WALTON COUNTY THROUGH FRANKLIN COUNTY.

* SURF HEIGHT...3 TO 5 FEET.

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.

&&

$$

LAHR

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 2:04 AM CSTSmall Craft AdvisoryTAE16 hr
Nov 30, 8:33 AM CSTWind AdvisoryTAEBay, Calhoun, Holmes, Jackson, Walton, Washington9 hr
Nov 30, 11:04 AM CSTSpecial Marine WarningTAE56 min
Nov 30, 11:35 AM CSTTornado WarningTAEWalton25 min
Nov 30, 1:43 PM CSTTornado WarningTAEHolmes16 min
Nov 30, 3:06 PM CSTSpecial Weather StatementTAEHolmes, Walton39 min
Nov 30, 3:23 PM CSTSevere Thunderstorm WarningTAEWalton37 min

Nearby

Rip Current Statements in Florida, 2016Every rip current statement in 2016

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.