Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 82, NWS Tallahassee, FL

September 21, 2020Franklin County, Gulf County, Florida

NWS Tallahassee, FL issued this rip current statement at Sep 21, 2020, 3:45 AM EDT for Franklin County, Gulf County, Florida. It took effect at Sep 21, 2020, 4:00 AM EDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 2020, 3:45 AM EDT (07:45 UTC)
In effect from
Sep 21, 2020, 4:00 AM EDT
Expired
Sep 22, 2020, 12:00 AM EDT
In force
20 hr
Issued by
NWS Tallahassee, FL

Counties Franklin County, FL, Gulf County, FL

The radar

The Tallahassee radar (KTLH), 90 km from the middle of the area, began a volume at 07:47 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, 7.8 hours before the alert went out and 92 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 2020-09-21Temperature 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 2020-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

837 
WHUS42 KTAE 210745
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
345 AM EDT Mon Sep 21 2020

FLZ114-115-220400-
/O.NEW.KTAE.RP.S.0082.200921T0800Z-200922T0400Z/
Coastal Gulf-Coastal Franklin-
345 AM EDT Mon Sep 21 2020 /245 AM CDT Mon Sep 21 2020/

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

* WHAT...Dangerous rip currents expected.

* WHERE...Gulf and Franklin 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.

&&

$$

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; radar from the NEXRAD Level II archive.