Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 38, NWS Tallahassee, FL

April 29, 20204 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Apr 29, 2020, 4:18 AM CDT for 4 counties in Florida. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2020, 4:18 AM CDT (09:18 UTC)
Expired
Apr 29, 2020, 11:00 PM CDT
In force
19 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 09:19 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, 9.3 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 2020-04-29Temperature 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 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
2234 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

322 
WHUS42 KTAE 290918
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
518 AM EDT Wed Apr 29 2020

FLZ108-112-114-115-300400-
/O.NEW.KTAE.RP.S.0038.200429T0918Z-200430T0400Z/
South Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-
518 AM EDT Wed Apr 29 2020 /418 AM CDT Wed Apr 29 2020/

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

* WHAT...Dangerous rip currents.

* WHERE...Walton, Bay, 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.

&&

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 5:15 AM CDTSpecial Marine WarningTAE2 hr
Apr 29, 12:55 PM CDTSpecial Weather StatementTAEWashington50 min
Apr 29, 1:55 PM CDTSpecial Weather StatementTAEBay50 min
Apr 29, 2:51 PM CDTSpecial Weather StatementTAEBay, Gulf54 min
Apr 29, 3:45 PM CDTSpecial Weather StatementTAEHolmes, Walton60 min
Apr 29, 3:49 PM CDTSpecial Weather StatementTAECalhoun41 min
Apr 29, 4:05 PM CDTTornado WarningTAECalhoun, Gulf10 min
Apr 29, 4:25 PM CDTSpecial Marine WarningTAE95 min
Apr 29, 4:55 PM CDTSpecial Weather StatementTAEHolmes, Walton, Washington50 min
Apr 29, 5:38 PM CDTSpecial Marine WarningTAE97 min
Apr 29, 5:54 PM CDTSpecial Marine WarningTAE66 min
Apr 29, 6:12 PM CDTTornado WarningTAEGadsden33 min
Apr 29, 6:19 PM CDTSpecial Weather StatementTAEGadsden41 min
Apr 29, 6:27 PM CDTSpecial Weather StatementTAEGulf, Liberty48 min
Apr 29, 6:32 PM CDTTornado Warning Tornado observedTAEGadsden28 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; radar from the NEXRAD Level II archive.