Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 15, NWS Tallahassee, FL

November 18, 2011Franklin County, Florida

NWS Tallahassee, FL issued this rip current statement at Nov 18, 2011, 4:36 AM EST for Franklin County, Florida. It took effect at Nov 18, 2011, 7:00 AM EST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Nov 18, 2011, 4:36 AM EST (09:36 UTC)
In effect from: Nov 18, 2011, 7:00 AM EST
Expired: Nov 19, 2011, 4:00 AM EST
In force: 21 hr
Issued by: NWS Tallahassee, FL

County Franklin County, FL

The radar

The Tallahassee radar (KTLH), 79 km from the middle of the area, began a volume at 09:39 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, 9.6 hours before the alert went out and 81 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: 2313 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -97 m²/s²
0-3 km storm-relative helicity: 22 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.

272 
WHUS42 KTAE 180936
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
436 AM EST FRI NOV 18 2011

...A HIGH RIP CURRENT RISK IS IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH 4 AM EST TONIGHT FOR THE BEACHES OF FRANKLIN COUNTY...

.EASTERLY FLOW WILL GENERATE STRONG ONSHORE WINDS IN COASTAL
FRANKLIN COUNTY TODAY AND TONIGHT. SUSTAINED WINDS OF 15 TO 20 MPH
WITH GUSTS TO 30 MPH WILL BE POSSIBLE. SURF WILL GENERALLY RANGE
FROM 2 TO 3 FEET WITH SOME 4 FOOT SETS POSSIBLE. THE COMBINATION
OF STRONG ONSHORE FLOW AND ELEVATED SURF WILL GENERATE A HIGH RISK
FOR RIP CURRENTS.

FLZ115-182100-
/O.NEW.KTAE.RP.S.0015.111118T1200Z-111119T0900Z/
COASTAL FRANKLIN-
436 AM EST FRI NOV 18 2011

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

* WAVES AND SURF...2 TO 4 FEET. 

* TIMING...THIS MORNING THROUGH LATE TONIGHT. 

* IMPACTS...STRONG EASTERLY FLOW WILL GENERATE STRONG RIP CURRENTS
  ALONG THE BEACHES OF FRANKLIN COUNTY.

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. 

&&

$$

LAMERS

Nearby

Rip Current Statements in Florida, 2011 Every 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.