Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 25, NWS Mobile, AL

October 23, 2017Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this rip current statement at Oct 23, 2017, 10:38 AM CDT for Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2017, 10:38 AM CDT (15:38 UTC)
Expired
Oct 24, 2017, 4:00 AM CDT
In force
17 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 15:37 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 12:00Z, 3.6 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 12:00Z on 2017-10-23Temperature 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, Slidell Radar S, LA at 12:00Z on 2017-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
774 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

066 
WHUS44 KMOB 231538
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1038 AM CDT MON OCT 23 2017

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

ALZ265-266-FLZ202-204-206-232345-
/O.NEW.KMOB.RP.S.0025.171023T1538Z-171024T0900Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
1038 AM CDT MON OCT 23 2017

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH LATE TONIGHT. 

* WHERE...ALONG THE GULF BEACHES OF ALABAMA AND NORTHWEST FLORIDA.

* 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
997 
WHUS44 KMOB 232100
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
400 PM CDT MON OCT 23 2017

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

ALZ265-266-FLZ202-204-206-240900-
/O.CON.KMOB.RP.S.0025.000000T0000Z-171024T0900Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
400 PM CDT MON OCT 23 2017

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

* WHERE...ALONG THE GULF BEACHES OF ALABAMA AND NORTHWEST 
  FLORIDA.

* 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
Oct 22, 7:14 PM CDTSpecial Marine WarningMOB61 min
Oct 22, 7:52 PM CDTAreal Flood AdvisoryMOBButler, Conecuh, Covington, Crenshaw, Escambia4 hr
Oct 22, 8:02 PM CDTRiver Flood WarningMOBBaldwin66 hr
Oct 22, 10:45 PM CDTAreal Flood WarningMOBBaldwin12 hr
Oct 22, 11:02 PM CDTSpecial Marine WarningMOB28 min
Oct 23, 1:00 AM CDTAreal Flood AdvisoryMOBCovington, Crenshaw3 hr
Oct 23, 4:32 AM CDTSmall Craft AdvisoryMOB11 hr
Oct 23, 10:28 AM CDTAreal Flood WarningMOBBaldwin6 hr
Oct 22, 10:12 PM CDTFlash Flood WarningMOBOkaloosa3 hr
Oct 23, 1:14 AM CDTAreal Flood WarningMOBOkaloosa12 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.