Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 25, NWS Tallahassee, FL

September 17, 2012Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Sep 17, 2012, 2:27 PM CDT for Bay County, Gulf County, Walton County, Florida. It took effect at Sep 18, 2012, 1:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Sep 17, 2012, 2:27 PM CDT (19:27 UTC)
In effect from
Sep 18, 2012, 1:00 AM CDT
Expired
Sep 19, 2012, 1:00 AM CDT
In force
24 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 19:30 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, 7.5 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 2012-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 885 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 2012-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 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
885 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
37 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.

290 
WHUS42 KTAE 171927
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
327 PM EDT MON SEP 17 2012

...HIGH RISK FOR RIP CURRENTS FROM TONIGHT THROUGH LATE TUESDAY
NIGHT ALONG THE FLORIDA PANHANDLE BEACHES...

.INCREASING ONSHORE WINDS WILL PEAK AT 20 TO 25 KNOTS FROM THE
SOUTHWEST LATE TONIGHT INTO TUESDAY MORNING BEFORE SHIFTING TO THE
WEST WITH THE PASSAGE OF A COLD FRONT. THESE WINDS WILL INCREASE
SURF ALONG THE COAST...PARTICULARLY FROM CAPE SAN BLAS WESTWARD.

FLZ108-112-114-180830-
/O.NEW.KTAE.RP.S.0025.120918T0600Z-120919T0600Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
327 PM EDT MON SEP 17 2012 /227 PM CDT MON SEP 17 2012/

...HIGH RIP CURRENT RISK IN EFFECT FROM 2 AM EDT /1 AM CDT/
TUESDAY THROUGH LATE TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT FROM 2 AM EDT /1 AM CDT/
TUESDAY THROUGH LATE TUESDAY NIGHT. 

* SURF...INCREASING TO 5 FEET OVERNIGHT AND REMAINING ELEVATED ON
  TUESDAY.

* IMPACTS...INCREASING RISK FOR RIP CURRENTS.

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. 

&&

$$

18-WOOL
1 follow-up statement
946 
WHUS42 KTAE 180813
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
413 AM EDT TUE SEP 18 2012

...HIGH RISK FOR RIP CURRENTS THROUGH LATE TONIGHT ALONG THE
FLORIDA PANHANDLE BEACHES...

.ONSHORE WINDS WILL PEAK AT 20 TO 25 KNOTS FROM THE SOUTHWEST
THIS MORNING MORNING BEFORE SHIFTING TO THE WEST WITH THE PASSAGE
OF A COLD FRONT. THESE WINDS WILL INCREASE SURF ALONG THE
COAST...PARTICULARLY FROM CAPE SAN BLAS WESTWARD.

FLZ108-112-114-190600-
/O.CON.KTAE.RP.S.0025.000000T0000Z-120919T0600Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-
413 AM EDT TUE SEP 18 2012 /313 AM CDT TUE SEP 18 2012/

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

* SURF...UP TO 5 FEET. 

* IMPACTS...INCREASING RISK FOR RIP CURRENTS.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 11:40 AM CDTSpecial Weather StatementTAEWalton35 min
Sep 17, 12:35 PM CDTSpecial Weather StatementTAECalhoun25 min
Sep 17, 12:57 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson36 min
Sep 17, 2:19 PM CDTSmall Craft AdvisoryTAE29 hr
Sep 17, 2:51 PM CDTSpecial Marine WarningTAE114 min
Sep 17, 4:27 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton48 min
Sep 17, 4:55 PM CDTSpecial Marine WarningTAE35 min
Sep 17, 5:25 PM CDTSpecial Marine WarningTAE50 min
Sep 17, 5:32 PM CDTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington43 min
Sep 17, 5:46 PM CDTSevere Thunderstorm WarningTAEBay44 min
Sep 17, 6:22 PM CDTSpecial Marine WarningTAE83 min

Nearby

Rip Current Statements in Florida, 2012Every rip current statement in 2012

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.