Alert archive / Florida / Rip Current Statements in 2018

Rip Current Statement 20, NWS Mobile, AL

August 1, 2018Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this rip current statement at Aug 1, 2018, 11:04 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Aug 1, 2018, 11:04 AM CDT (16:04 UTC)
Expired
Aug 2, 2018, 6:00 AM CDT
In force
19 hr
Issued by
NWS Mobile, AL

Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 102 km from the middle of the area, began a volume at 16:07 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 12:00Z, 4.1 hours before the alert went out and 259 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 12:00Z on 2018-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 464 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 12:00Z on 2018-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
464 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
749 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

990 
WHUS44 KMOB 011604
CFWMOB

Coastal Hazard Message
National Weather Service Mobile AL
1104 AM CDT Wed Aug 1 2018

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

FLZ202-204-206-020200-
/O.NEW.KMOB.RP.S.0020.180801T1604Z-180802T1100Z/
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
1104 AM CDT Wed Aug 1 2018

...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...Gulf beaches of 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
599 
WHUS44 KMOB 020147
CFWMOB

Coastal Hazard Message
National Weather Service Mobile AL
847 PM CDT Wed Aug 1 2018

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

FLZ202-204-206-021100-
/O.CON.KMOB.RP.S.0020.000000T0000Z-180802T1100Z/
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
847 PM CDT Wed Aug 1 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 AM CDT
THURSDAY...

* WHERE...Gulf beaches of 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
Jul 31, 10:14 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Aug 1, 6:13 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa2 hr
Aug 1, 9:03 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Aug 1, 9:49 AM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa3 hr

Nearby

Rip Current Statements in Florida, 2018Every rip current statement in 2018

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.