Alert archive / Florida / High Surf Advisories in 2017

High Surf Advisory 1, NWS Mobile, AL

March 6, 2017Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this high surf advisory at Mar 6, 2017, 3:52 AM CST for Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Mar 6, 2017, 3:52 AM CST (09:52 UTC)
Expired
Mar 7, 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 09:53 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, 9.9 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 2017-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2017-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.193958Sfc1 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
13 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
865 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

015 
WHUS44 KMOB 060952
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
352 AM CST MON MAR 6 2017

...HIGH SURF ADVISORY IN EFFECT ALONG ALABAMA AND NORTHWEST 
FLORIDA PANHANDLE BEACHES THROUGH THIS EVENING...

...HIGH RIP CURRENT RISK IN EFFECT ALONG ALABAMA AND NORTHWEST 
FLORIDA PANHANDLE BEACHES THROUGH THIS AFTERNOON...

ALZ265-266-FLZ202-204-206-061800-
/O.NEW.KMOB.SU.Y.0001.170306T0952Z-170307T0600Z/
/O.CON.KMOB.RP.S.0007.000000T0000Z-170307T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
352 AM CST MON MAR 6 2017

...HIGH SURF ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HIGH SURF
ADVISORY, WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

* WAVES AND SURF...UP TO 7 FEET ALONG ALABAMA AND NORTHWEST
  FLORIDA PANHANDLE BEACHES

* TIMING...THROUGH 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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$
3 follow-up statements
927 
WHUS44 KMOB 061006
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
406 AM CST MON MAR 6 2017

...HIGH SURF ADVISORY IN EFFECT ALONG ALABAMA AND NORTHWEST
FLORIDA PANHANDLE BEACHES THROUGH THIS EVENING...

...HIGH RIP CURRENT RISK IN EFFECT ALONG ALABAMA AND NORTHWEST
FLORIDA PANHANDLE BEACHES THROUGH TUESDAY AFTERNOON...

ALZ265-266-FLZ202-204-206-061900-
/O.EXT.KMOB.RP.S.0007.000000T0000Z-170308T0000Z/
/O.CON.KMOB.SU.Y.0001.000000T0000Z-170307T0600Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
406 AM CST MON MAR 6 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY AFTERNOON...

* WAVES AND SURF...UP TO 7 FEET ALONG ALABAMA AND NORTHWEST
  FLORIDA PANHANDLE BEACHES

* TIMING...HIGH SURF EXPECTED THROUGH THIS EVENING...HIGH RIP
  CURRENT RISK EXPECTED THROUGH TUESDAY AFTERNOON.

* 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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$
694 
WHUS44 KMOB 061844
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1244 PM CST MON MAR 6 2017

...HIGH SURF ADVISORY CONTINUES ALONG THE ALABAMA AND NORTHWEST 
FLORIDA PANHANDLE BEACHES THROUGH THIS EVENING...

...HIGH RIP CURRENT RISK CONTINUES ALONG ALABAMA AND NORTHWEST 
FLORIDA PANHANDLE BEACHES THROUGH TUESDAY AFTERNOON...

ALZ265-266-FLZ202-204-206-070300-
/O.CON.KMOB.SU.Y.0001.000000T0000Z-170307T0600Z/
/O.CON.KMOB.RP.S.0007.000000T0000Z-170308T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
1244 PM CST MON MAR 6 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WAVES AND SURF...5 TO 7 FEET ALONG THE ALABAMA AND NORTHWEST 
  FLORIDA PANHANDLE BEACHES. 

* TIMING...HIGH SURF EXPECTED THROUGH THIS EVENING...HIGH RIP 
  CURRENT RISK EXPECTED THROUGH TUESDAY AFTERNOON. 

* IMPACTS...HIGH SURF ALONG THE LOCAL BEACHES WILL PRODUCE
  DANGEROUS SWIMMING CONDITIONS AND MAY RESULT IN LOCALIZED MINOR 
  BEACH EROSION. 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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$
285 
WHUS44 KMOB 070332
CFWMOB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
932 PM CST MON MAR 6 2017

...HIGH SURF ADVISORY CONTINUES ALONG THE ALABAMA AND NORTHWEST
FLORIDA PANHANDLE BEACHES THROUGH THIS EVENING...

...HIGH RIP CURRENT RISK CONTINUES ALONG ALABAMA AND NORTHWEST
FLORIDA PANHANDLE BEACHES THROUGH TUESDAY AFTERNOON...

ALZ265-266-FLZ202-204-206-071200-
/O.CON.KMOB.SU.Y.0001.000000T0000Z-170307T0600Z/
/O.CON.KMOB.RP.S.0007.000000T0000Z-170308T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
932 PM CST MON MAR 6 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WAVES AND SURF...5 TO 7 FEET ALONG THE ALABAMA AND NORTHWEST 
  FLORIDA PANHANDLE BEACHES. 

* TIMING...HIGH SURF EXPECTED THROUGH THIS EVENING...HIGH RIP 
  CURRENT RISK EXPECTED THROUGH TUESDAY AFTERNOON. 

* IMPACTS...HIGH SURF ALONG THE LOCAL BEACHES WILL PRODUCE 
  DANGEROUS SWIMMING CONDITIONS AND MAY RESULT IN LOCALIZED 
  MINOR BEACH EROSION. 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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 3:40 AM CSTWind AdvisoryMOBBaldwin, Mobile12 hr

Nearby

High Surf Advisories in Florida, 2017High Surf Advisories in Alabama, 2017Every high surf advisory 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.