Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 4, NWS Mobile, AL

January 17, 2017Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this rip current statement at Jan 17, 2017, 5:46 AM CST for Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Jan 17, 2017, 6:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2017, 5:46 AM CST (11:46 UTC)
In effect from
Jan 17, 2017, 6:00 AM CST
Expired
Jan 17, 2017, 6:00 PM CST
In force
12 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 11:45 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.8 hours before the alert went out and 227 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, Slidell Radar S, LA at 00:00Z on 2017-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 523 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, Slidell Radar S, LA at 00:00Z on 2017-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
523 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

535 
WHUS44 KMOB 171146
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
546 AM CST TUE JAN 17 2017

...SLIGHTLY INCREASED ONSHORE FLOW AND AN INCREASED SWELL WILL RESULT
IN A HIGH RISK OF RIP CURRENTS ALONG THE ALABAMA AND NORTHWEST
FLORIDA BEACHES TODAY...

.THE COMBINATION OF A SLIGHTLY INCREASED SOUTHERLY ONSHORE FLOW AND A
MORE INCREASED SOUTHERLY SWELL WILL RESULT IN A HIGH RISK OF RIP
CURRENTS ALONG THE ALABAMA AND NORTHWEST FLORIDA BEACHES TODAY. 

ALZ265-266-FLZ202-204-206-172000-
/O.NEW.KMOB.RP.S.0004.170117T1200Z-170118T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
546 AM CST TUE JAN 17 2017

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH THIS AFTERNOON. 

* TIMING...TODAY.

* 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
036 
WHUS44 KMOB 172017
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
217 PM CST TUE JAN 17 2017

...SLIGHTLY INCREASED ONSHORE FLOW AND AN INCREASED SWELL WILL
RESULT IN A HIGH RISK OF RIP CURRENTS ALONG THE ALABAMA AND
NORTHWEST FLORIDA BEACHES THROUGH THIS EVENING...

.THE COMBINATION OF A SLIGHTLY INCREASED SOUTHERLY ONSHORE FLOW
AND A MORE INCREASED SOUTHERLY SWELL WILL RESULT IN A HIGH RISK
OF RIP CURRENTS ALONG THE ALABAMA AND NORTHWEST FLORIDA BEACHES
THROUGH THIS EVENING.

ALZ265-266-FLZ202-204-206-180000-
/O.CON.KMOB.RP.S.0004.000000T0000Z-170118T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
217 PM CST TUE JAN 17 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* TIMING...THROUGH 6 PM THIS EVENING.

* 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.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 17, 2:30 PM CSTDense Fog AdvisoryMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more20 hr
Jan 17, 2:34 PM CSTMarine Dense Fog AdvisoryMOB21 hr

Nearby

Rip Current Statements in Florida, 2017Rip Current Statements in Alabama, 2017Every 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.