Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 108, NWS Tallahassee, FL

December 16, 20204 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Dec 16, 2020, 2:33 AM CST for 4 counties in Florida. It took effect at Dec 16, 2020, 6:00 AM CST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2020, 2:33 AM CST (08:33 UTC)
In effect from
Dec 16, 2020, 6:00 AM CST
Expired
Dec 16, 2020, 10:00 PM CST
In force
16 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Franklin County, FL, Gulf County, FL, Walton County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.6 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 2020-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

122 
WHUS42 KTAE 160833
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
333 AM EST Wed Dec 16 2020

FLZ108-112-114-115-170400-
/O.NEW.KTAE.RP.S.0108.201216T1200Z-201217T0400Z/
South Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-
333 AM EST Wed Dec 16 2020 /233 AM CST Wed Dec 16 2020/

...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM EST /6 AM CST/ THIS
MORNING THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Walton, Bay, Gulf, and Franklin County Beaches.

* WHEN...From 7 AM EST /6 AM CST/ this morning 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
Dec 16, 6:47 AM CSTSpecial Marine WarningTAE3 hr
Dec 16, 9:38 AM CSTSpecial Marine WarningTAE3 hr

Nearby

Rip Current Statements in Florida, 2020Every rip current statement in 2020

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.