Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 99, NWS Tallahassee, FL

October 9, 20174 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Oct 9, 2017, 3:31 AM CDT for 4 counties in Florida. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued
Oct 9, 2017, 3:31 AM CDT (08:31 UTC)
Expired
Oct 11, 2017, 7:00 AM CDT
In force
51 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 08:32 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, 8.5 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 2017-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 551 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 2017-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
551 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

108 
WHUS42 KTAE 090831
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
431 AM EDT MON OCT 9 2017

...HIGH RISK OF RIP CURRENTS ALONG PANHANDLE AND BIG BEND
BEACHES...

.ONSHORE WINDS WILL BE DECREASING THROUGH THE DAY TODAY, AS WILL
THE SURF HEIGHTS, BUT WITH RECENTLY AGITATED CURRENTS AND STILL 
HIGH SWELLS FROM NATE, THERE WILL STILL BE A HIGH RISK OF RIP 
CURRENTS TODAY ALONG OUR PANHANDLE AND BIG BEND BEACHES.

FLZ108-112-114-115-101200-
/O.NEW.KTAE.RP.S.0099.171009T0831Z-171010T1200Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
431 AM EDT MON OCT 9 2017 /331 AM CDT MON OCT 9 2017/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH TUESDAY MORNING. 

* TIMING...TODAY AND TONIGHT.

* IMPACTS...INCREASED RISK OF 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. 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.

&&

$$
1 follow-up statement
332 
WHUS42 KTAE 100814
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
414 AM EDT TUE OCT 10 2017

...HIGH RISK OF RIP CURRENTS ALONG PANHANDLE AND BIG BEND
BEACHES...

FLZ108-112-114-115-111200-
/O.EXT.KTAE.RP.S.0099.000000T0000Z-171011T1200Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
414 AM EDT TUE OCT 10 2017 /314 AM CDT TUE OCT 10 2017/

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY
MORNING...

* TIMING...TODAY AND TONIGHT.

* IMPACTS...INCREASED RISK OF 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. 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.

&&

$$

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.