Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 7, NWS Tallahassee, FL

April 15, 2011Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Apr 15, 2011, 4:53 PM CDT for Bay County, Gulf County, Walton County, Florida. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2011, 4:53 PM CDT (21:53 UTC)
Expired
Apr 16, 2011, 2:57 AM CDT
In force
10 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 21:56 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, 9.9 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 2011-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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 2011-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.19395878Sfc1 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
83 J/kg
Mixed-layer CIN
-467 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

749 
WHUS42 KTAE 152153
CFWTAE

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
553 PM EDT FRI APR 15 2011

...THERE IS A HIGH RISK OF RIP CURRENTS TODAY AND SATURDAY 
ALONG THE BEACHES OF THE FLORIDA PANHANDLE...

.INCREASING ONSHORE FLOW WILL LEAD TO BUILDING SURF AND THE
POSSIBILITY FOR STRONG AND DANGEROUS RIP CURRENTS ALONG THE
BEACHES OF THE FLORIDA PANHANDLE FOR THE REMAINDER OF TODAY...
AND THROUGH MUCH OF THE DAY ON SATURDAY AS WELL.

FLZ108-112-114-161100-
/O.NEW.KTAE.RP.S.0007.110415T2153Z-110417T0000Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
553 PM EDT FRI APR 15 2011 /453 PM CDT FRI APR 15 2011/

...A HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY...

INCREASING ONSHORE FLOW WILL LEAD TO BUILDING SURF AND THE
POSSIBILITY FOR STRONG AND DANGEROUS RIP CURRENTS ALONG THE
BEACHES OF THE FLORIDA PANHANDLE FOR THE REMAINDER OF TODAY...
AND THROUGH MUCH OF THE DAY ON SATURDAY AS WELL.

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. 

&&

$$

17-GOULD
1 follow-up statement
966 
WHUS42 KTAE 160757
CFWTAE

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
357 AM EDT SAT APR 16 2011

...THERE IS A HIGH RISK OF RIP CURRENTS TODAY THROUGH LATE TONIGHT
ALONG THE BEACHES OF THE FLORIDA PANHANDLE...

.STEADY ONSHORE FLOW BETWEEN 15 AND 20 KTS WILL LEAD TO BUILDING
SURF AND THE POSSIBILITY FOR STRONG AND DANGEROUS RIP CURRENTS
ALONG THE BEACHES OF THE FLORIDA PANHANDLE TODAY THROUGH LATE
TONIGHT. 

FLZ108-112-114-170600-
/O.CAN.KTAE.RP.S.0007.000000T0000Z-110417T0000Z/
/O.NEW.KTAE.RP.S.0008.110416T1200Z-110417T0600Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
357 AM EDT SAT APR 16 2011 /257 AM CDT SAT APR 16 2011/

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

STEADY ONSHORE FLOW BETWEEN 15 AND 20 KTS WILL LEAD TO BUILDING
SURF AND THE POSSIBILITY FOR STRONG AND DANGEROUS RIP CURRENTS
ALONG THE BEACHES OF THE FLORIDA PANHANDLE TODAY THROUGH LATE
TONIGHT.

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. 

&&

$$

HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 3:22 AM CDTFire Weather WatchTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more30 hr

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.