Alert archive / Florida / Rip Current Statements in 2013

Rip Current Statement 12, NWS Tallahassee, FL

April 11, 2013Bay County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Apr 11, 2013, 3:03 AM CDT for Bay County, Walton County, Florida. It took effect at Apr 11, 2013, 10:00 AM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 2013, 3:03 AM CDT (08:03 UTC)
In effect from
Apr 11, 2013, 10:00 AM CDT
Expired
Apr 12, 2013, 2:50 AM CDT
In force
17 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 15 km from the middle of the area, began a volume at 08:04 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, 8.1 hours before the alert went out and 154 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 2013-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2013-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1712 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
56 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.

708 
WHUS42 KTAE 110803
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
403 AM EDT THU APR 11 2013

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

.INCREASING ONSHORE WINDS WILL INCREASE SURF HEIGHTS ALONG THE
COAST TODAY WHICH IN TURN WILL INCREASE THE THREAT FOR RIP
CURRENTS. 
 
FLZ108-112-121200-
/O.NEW.KTAE.RP.S.0012.130411T1500Z-130412T1200Z/
SOUTH WALTON-COASTAL BAY-
303 AM CDT THU APR 11 2013

...HIGH RIP CURRENT RISK IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH FRIDAY MORNING. 

* SURF...3 TO 5 FEET

* TIMING...LATE MORNING THROUGH 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. 

&&

$$
1 follow-up statement
214 
WHUS42 KTAE 120750
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
350 AM EDT FRI APR 12 2013

...HIGH RIP CURRENT RISK IS CANCELLED...

.DECREASING OFFSHORE WINDS HAVE LOWERED THE RISK OF RIP CURRENTS
FOR TODAY.

FLZ108-112-120900-
/O.CAN.KTAE.RP.S.0012.000000T0000Z-130412T1200Z/
SOUTH WALTON-COASTAL BAY-
250 AM CDT FRI APR 12 2013

...HIGH RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELED THE HIGH
RIP CURRENT RISK.


$$

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 3:00 AM CDTSmall Craft AdvisoryTAE25 hr

Nearby

Rip Current Statements in Florida, 2013Every rip current statement in 2013

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.