Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 35, NWS Tallahassee, FL

April 16, 2021Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Apr 16, 2021, 1:52 AM CDT for Bay County, Gulf County, Walton County, Florida. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2021, 1:52 AM CDT (06:52 UTC)
Expired
Apr 17, 2021, 1:00 AM CDT
In force
23 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 06:51 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 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 00:00Z on 2021-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2021-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897Sfc1 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
101 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

855 
WHUS42 KTAE 160652
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
252 AM EDT Fri Apr 16 2021

FLZ108-112-114-161500-
/O.NEW.KTAE.RP.S.0035.210416T0652Z-210417T0600Z/
South Walton-Coastal Bay-Coastal Gulf-
252 AM EDT Fri Apr 16 2021 /152 AM CDT Fri Apr 16 2021/

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

* WHAT...Dangerous rip currents.

* WHERE...Walton, Bay, and West Facing Gulf County Beaches and St
  Joseph State Park.

* WHEN...Through late tonight.

* 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
Apr 16, 8:31 AM CDTSpecial Marine WarningTAE119 min
Apr 16, 9:08 AM CDTSpecial Weather StatementTAEGulf67 min
Apr 16, 9:46 AM CDTSpecial Marine WarningTAE89 min
Apr 16, 10:14 AM CDTSpecial Weather StatementTAEBay46 min
Apr 16, 10:57 AM CDTSpecial Weather StatementTAELiberty48 min
Apr 16, 11:00 AM CDTSpecial Weather StatementTAELiberty45 min
Apr 16, 12:30 PM CDTSpecial Marine WarningTAE60 min
Apr 16, 1:20 PM CDTSpecial Marine WarningTAE85 min
Apr 16, 1:58 PM CDTSpecial Weather StatementTAELafayette47 min
Apr 16, 2:42 PM CDTSpecial Marine WarningTAE93 min

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.