Alert archive / Florida / Rip Current Statements in 2019

Rip Current Statement 104, NWS Tallahassee, FL

December 30, 2019Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Dec 30, 2019, 3:18 AM CST for Bay County, Gulf County, Walton County, Florida. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2019, 3:18 AM CST (09:18 UTC)
Expired
Dec 31, 2019, 3:00 AM CST
In force
24 hr
Issued by
NWS Tallahassee, FL

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

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 09:17 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 134 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 2019-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 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 00:00Z on 2019-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
28 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

705 
WHUS42 KTAE 300918
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
418 AM EST Mon Dec 30 2019

FLZ108-112-114-310900-
/O.NEW.KTAE.RP.S.0104.191230T0918Z-191231T0900Z/
South Walton-Coastal Bay-Coastal Gulf-
418 AM EST Mon Dec 30 2019 /318 AM CST Mon Dec 30 2019/

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

* WHAT...Dangerous rip currents.

* WHERE...Walton, Bay, and 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.

&&

$$
1 follow-up statement
174 
WHUS42 KTAE 301553
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
1053 AM EST Mon Dec 30 2019

FLZ108-301700-
/O.CAN.KTAE.RP.S.0104.000000T0000Z-191231T0900Z/
South Walton-
953 AM CST Mon Dec 30 2019

...HIGH RIP CURRENT RISK IS CANCELLED FOR WALTON COUNTY BEACHES...

Winds have become more offshore for Walton county beaches, which
has reduced the risk of rip currents to moderate for today.

$$

FLZ112-114-310000-
/O.CON.KTAE.RP.S.0104.000000T0000Z-191231T0900Z/
Coastal Bay-Coastal Gulf-
1053 AM EST Mon Dec 30 2019 /953 AM CST Mon Dec 30 2019/

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

* WHAT...Dangerous rip currents.

* WHERE...Bay and 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
Dec 29, 6:43 PM CSTSpecial Weather StatementTAEJackson, Washington47 min

Nearby

Rip Current Statements in Florida, 2019Every rip current statement in 2019

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.