Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 17, NWS Tallahassee, FL

February 13, 20204 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Feb 13, 2020, 3:37 AM CST for 4 counties in Florida. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Feb 13, 2020, 3:37 AM CST (09:37 UTC)
Expired
Feb 14, 2020, 3:00 AM CST
In force
23 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 09:40 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, 9.6 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 2020-02-13Temperature 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 2020-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
708 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

832 
WHUS42 KTAE 130937
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
437 AM EST Thu Feb 13 2020

FLZ108-112-114-115-140900-
/O.NEW.KTAE.RP.S.0017.200213T0937Z-200214T0900Z/
South Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-
437 AM EST Thu Feb 13 2020 /337 AM CST Thu Feb 13 2020/

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

* WHAT...Dangerous rip currents.

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

* WHEN...Through late tonight.

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

* ADDITIONAL DETAILS...Showers and thunderstorms with gusty winds
  and potential for severe weather expected with passage of cold
  front.

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
Feb 13, 8:18 AM CSTSpecial Marine WarningTAE57 min
Feb 13, 8:48 AM CSTSpecial Weather StatementTAEHolmes, Washington57 min
Feb 13, 9:41 AM CSTSpecial Weather StatementTAEJackson34 min
Feb 13, 10:24 AM CSTSpecial Weather StatementTAEBay, Calhoun51 min
Feb 13, 11:10 AM CSTSpecial Weather StatementTAEGadsden, Liberty65 min
Feb 13, 12:23 PM CSTSpecial Weather StatementTAEJefferson, Leon, Wakulla52 min
Feb 13, 1:12 PM CSTSpecial Weather StatementTAEJefferson33 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.