Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 41, NWS Tallahassee, FL

April 27, 20214 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Apr 27, 2021, 1:40 AM CDT for 4 counties in Florida. It took effect at Apr 27, 2021, 7:00 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2021, 1:40 AM CDT (06:40 UTC)
In effect from
Apr 27, 2021, 7:00 AM CDT
Expired
Apr 28, 2021, 1:00 AM CDT
In force
18 hr
Issued by
NWS Tallahassee, FL

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

The radar

The Eglin Afb radar (KEVX), 64 km from the middle of the area, began a volume at 06:40 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, 6.7 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 2021-04-27Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2021-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.19395878Sfc1 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
1897 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

721 
WHUS42 KTAE 270640
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
240 AM EDT Tue Apr 27 2021

FLZ108-112-114-115-280600-
/O.NEW.KTAE.RP.S.0041.210427T1200Z-210428T0600Z/
South Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-
240 AM EDT Tue Apr 27 2021 /140 AM CDT Tue Apr 27 2021/

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT /7 AM CDT/ THIS
MORNING THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents expected.

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

* WHEN...From 8 AM EDT /7 AM CDT/ this morning through late 
  tonight.

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

* ADDITIONAL DETAILS...Increasingly rough conditions are expected
  at beaches with a southern exposure as brisk southeast winds
  build surf heights 2 to 3 feet. Rip Current risk is expected to
  increase early this morning at Franklin and Gulf County beaches
  and by early this afternoon at Walton and Bay County beaches.

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 27, 1:58 AM CDTRiver Flood WarningTAEWalton, Washington4 days

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.