Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 102, NWS Tallahassee, FL

December 4, 20204 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Dec 4, 2020, 1:39 AM CST for 4 counties in Florida. It took effect at Dec 4, 2020, 6:00 AM CST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Dec 4, 2020, 1:39 AM CST (07:39 UTC)
In effect from
Dec 4, 2020, 6:00 AM CST
Expired
Dec 5, 2020, 2:00 AM CST
In force
20 hr
Issued by
NWS Tallahassee, FL

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

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 00:00Z, 7.7 hours before the alert went out and 106 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, Eglin AFB/Valpar, FL at 00:00Z on 2020-12-04Temperature 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, Eglin AFB/Valpar, FL at 00:00Z on 2020-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
689 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

059 
WHUS42 KTAE 040739
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
239 AM EST Fri Dec 4 2020

FLZ108-112-114-115-041600-
/O.NEW.KTAE.RP.S.0102.201204T1200Z-201205T0800Z/
South Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-
239 AM EST Fri Dec 4 2020 /139 AM CST Fri Dec 4 2020/

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

* WHAT...Dangerous rip currents expected.

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

* WHEN...From 7 AM EST /6 AM CST/ this morning 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
Dec 4, 2:19 PM CSTSpecial Marine WarningTAE86 min

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.