Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 101, NWS Tallahassee, FL

October 22, 20174 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Oct 22, 2017, 2:15 AM CDT for 4 counties in Florida. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued
Oct 22, 2017, 2:15 AM CDT (07:15 UTC)
Expired
Oct 24, 2017, 4:00 AM CDT
In force
50 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 07:19 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, 7.3 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 2017-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2017-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
9 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1484 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

448 
WHUS42 KTAE 220715
CFWTAE

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
315 AM EDT SUN OCT 22 2017

...HIGH RIP CURRENT RISK THROUGH MONDAY NIGHT FOR THE BEACHES OF 
NORTHWEST FLORIDA FROM ST GEORGE ISLAND THROUGH WALTON COUNTY...

.RELATIVELY STRONG EAST TO SOUTHEAST WINDS TODAY WILL CAUSE AN
INCREASE IN SURF TO 2 TO 4 FEET, ALONG WITH FREQUENT AND STRONG
RIP CURRENTS. 

FLZ108-112-114-115-231000-
/O.NEW.KTAE.RP.S.0101.171022T0715Z-171024T0900Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
315 AM EDT SUN OCT 22 2017 /215 AM CDT SUN OCT 22 2017/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH LATE MONDAY NIGHT. 

* TIMING...THROUGH AT LEAST MONDAY NIGHT.

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.

&&

$$

FOURNIER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 2:13 PM CDTSmall Craft AdvisoryTAE24 hr
Oct 22, 4:42 PM CDTSpecial Marine WarningTAE93 min
Oct 22, 6:08 PM CDTSpecial Marine WarningTAE82 min
Oct 22, 6:58 PM CDTSpecial Marine WarningTAE47 min

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.