Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 86, NWS Tallahassee, FL

September 17, 2021Bay County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Sep 17, 2021, 1:51 AM CDT for Bay County, Walton County, Florida. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Sep 17, 2021, 1:51 AM CDT (06:51 UTC)
Expired
Sep 17, 2021, 11:00 PM CDT
In force
21 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 06:52 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, 6.9 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 2021-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 685 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 2021-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
685 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

847 
WHUS42 KTAE 170651
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
251 AM EDT Fri Sep 17 2021

FLZ115-170800-
/O.CAN.KTAE.RP.S.0085.000000T0000Z-210918T0000Z/
Coastal Franklin-
251 AM EDT Fri Sep 17 2021

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

The high risk current risk for Franklin County has been cancelled.
Some rip currents are still expected today. 

$$

FLZ108-112-180400-
/O.NEW.KTAE.RP.S.0086.210917T0651Z-210918T0400Z/
South Walton-Coastal Bay-
151 AM CDT Fri Sep 17 2021

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Walton and Bay County Beaches.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

FLZ114-180400-
/O.EXT.KTAE.RP.S.0085.000000T0000Z-210918T0400Z/
Coastal Gulf-
251 AM EDT Fri Sep 17 2021 /151 AM CDT Fri Sep 17 2021/

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Gulf County Beaches.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 4:28 PM CDTAreal Flood AdvisoryTAECalhoun, Gadsden, Liberty2 hr

Nearby

Rip Current Statements in Florida, 2021Every rip current statement in 2021

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.