Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 26, NWS Mobile, AL

December 20, 2017Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this rip current statement at Dec 20, 2017, 4:06 AM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Dec 20, 2017, 4:06 AM CST (10:06 UTC)
Expired: Dec 21, 2017, 12:00 AM CST
In force: 20 hr
Issued by: NWS Mobile, AL

Counties Baldwin County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 10:08 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

Eglin AFB/Valpar, FL (KVPS), launched 00:00Z, 10.1 hours before the alert went out and 87 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 48 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 690 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

583 
WHUS44 KMOB 201006
CFWMOB

Coastal Hazard Message
National Weather Service Mobile AL
406 AM CST Wed Dec 20 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT FOR THE GULF BEACHES OF ALABAMA
AND WESTERN FLORIDA PANHANDLE THROUGH TONIGHT...


ALZ265-266-FLZ202-204-206-201815-
/O.NEW.KMOB.RP.S.0026.171220T1006Z-171221T0600Z/
Mobile Coastal-Baldwin Coastal-Escambia Coastal-
Santa Rosa Coastal-Okaloosa Coastal-
406 AM CST Wed Dec 20 2017

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

The National Weather Service in Mobile has issued a High Rip
Current Risk, which is in effect through this evening. 

* WHERE...ALONG THE GULF BEACHES OF ALABAMA AND WESTERN FLORIDA
  PANHANDLE.

* IMPACTS...FREQUENT LIFE-THREATENING RIP CURRENTS ARE EXPECTED.
  THE SURF IS DANGEROUS FOR ALL LEVELS OF SWIMMERS....|

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.  Rip currents are life-
threatening to anyone entering the surf.  Swim near a lifeguard. 
If caught in a rip current remain calm.  Don't fight the current.
Swim in a direction following the shoreline.  If unable to
escape, face the shore and call or wave for help.  If tired,
float or tread water until out of the rip current.

&&

$$

1 follow-up statement

222 
WHUS44 KMOB 201751
CFWMOB

Coastal Hazard Message
National Weather Service Mobile AL
1151 AM CST Wed Dec 20 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT FOR THE GULF BEACHES 
OF ALABAMA AND WESTERN FLORIDA PANHANDLE THROUGH TONIGHT...

ALZ265-266-FLZ202-204-206-210200-
/O.CON.KMOB.RP.S.0026.000000T0000Z-171221T0600Z/
Mobile Coastal-Baldwin Coastal-Escambia Coastal-
Santa Rosa Coastal-Okaloosa Coastal-
1151 AM CST Wed Dec 20 2017

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

* WHERE...ALONG THE GULF BEACHES OF ALABAMA AND WESTERN FLORIDA 
  PANHANDLE. 

* IMPACTS...FREQUENT LIFE-THREATENING RIP CURRENTS ARE EXPECTED. 
  THE SURF IS DANGEROUS FOR ALL LEVELS OF SWIMMERS....| 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.  Rip currents are life-
threatening to anyone entering the surf.  Swim near a lifeguard.
If caught in a rip current remain calm.  Don't fight the current.
Swim in a direction following the shoreline.  If unable to
escape, face the shore and call or wave for help.  If tired,
float or tread water until out of the rip current.

&&

$$

Nearby

Rip Current Statements in Florida, 2017 Rip Current Statements in Alabama, 2017 Every rip current statement in 2017

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.