Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 71, NWS Tallahassee, FL

August 18, 2020Gulf County, Florida

NWS Tallahassee, FL issued this rip current statement at Aug 18, 2020, 11:35 AM CDT for Gulf County, Florida. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 2020, 11:35 AM CDT (16:35 UTC)
Expired
Aug 19, 2020, 1:00 AM CDT
In force
13 hr
Issued by
NWS Tallahassee, FL

County Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 97 km from the middle of the area, began a volume at 16:39 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 12:00Z, 4.6 hours before the alert went out and 107 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 12:00Z on 2020-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2020-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
728 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1417 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
2 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.

682 
WHUS42 KTAE 181635
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
1235 PM EDT Tue Aug 18 2020

FLZ114-190045-
/O.NEW.KTAE.RP.S.0071.200818T1635Z-200819T0600Z/
Coastal Gulf-
1235 PM EDT Tue Aug 18 2020 /1135 AM CDT Tue Aug 18 2020/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents.

* WHERE...Gulf County Beaches.

* WHEN...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
Aug 18, 6:53 AM CDTSpecial Marine WarningTAE67 min
Aug 18, 7:57 AM CDTSpecial Marine WarningTAE93 min
Aug 18, 10:33 AM CDTSpecial Marine WarningTAE31 min
Aug 18, 12:29 PM CDTSpecial Weather StatementTAEMadison46 min
Aug 18, 12:46 PM CDTSpecial Weather StatementTAEJefferson29 min
Aug 18, 12:49 PM CDTSpecial Weather StatementTAEGulf41 min
Aug 18, 1:08 PM CDTSpecial Weather StatementTAEJefferson37 min
Aug 18, 1:15 PM CDTSpecial Weather StatementTAELeon45 min
Aug 18, 1:19 PM CDTSpecial Weather StatementTAEWalton41 min
Aug 18, 1:29 PM CDTSevere Thunderstorm WarningTAEJefferson, Leon46 min
Aug 18, 2:13 PM CDTSpecial Weather StatementTAELeon32 min
Aug 18, 2:25 PM CDTSpecial Weather StatementTAEBay50 min
Aug 18, 2:40 PM CDTSpecial Weather StatementTAEGadsden50 min
Aug 18, 2:56 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Washington32 min
Aug 18, 3:15 PM CDTSpecial Weather StatementTAEWakulla30 min
Aug 18, 4:19 PM CDTSpecial Weather StatementTAEHolmes26 min
Aug 18, 5:17 PM CDTSpecial Weather StatementTAEMadison28 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.