Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 45, NWS Miami, FL

September 18, 2020Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Sep 18, 2020, 3:28 AM EDT for Palm Beach County, Florida. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2020, 3:28 AM EDT (07:28 UTC)
Expired
Sep 18, 2020, 8:00 PM EDT
In force
17 hr
Issued by
NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 07:31 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

Miami, FL (KMFL), launched 00:00Z, 7.5 hours before the alert went out and 93 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, Miami, FL at 00:00Z on 2020-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1147 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 00:00Z on 2020-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1147 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

165 
WHUS42 KMFL 180728
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
328 AM EDT Fri Sep 18 2020

FLZ168-190100-
/O.NEW.KMFL.RP.S.0045.200918T0728Z-200919T0000Z/
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
Coastal Palm Beach-
328 AM EDT Fri Sep 18 2020

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...
...COASTAL FLOOD STATEMENT THROUGH SUNDAY EVENING...

* WHAT...For the High Rip Current Risk, dangerous rip currents.
  For the Coastal Flood Statement, isolated minor coastal 
  flooding.

* WHERE...Coastal Palm Beach County.

* WHEN...For the High Rip Current Risk, through this evening. 
  For the Coastal Flood Statement, through Sunday evening.

* IMPACTS...Some water on low lying roads and property. Rip 
  currents can sweep even the best swimmers away from shore into 
  deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

FLZ172-173-190100-
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
Coastal Broward-Coastal Miami-Dade-
328 AM EDT Fri Sep 18 2020

...COASTAL FLOOD STATEMENT THROUGH SUNDAY EVENING...

* WHAT...Isolated minor coastal flooding.

* WHERE...Coastal Broward and Coastal Miami-Dade Counties.

* WHEN...Through Sunday evening.

* IMPACTS...Some water on low lying roads and property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

FLZ069-190100-
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
Coastal Collier-
328 AM EDT Fri Sep 18 2020

...COASTAL FLOOD STATEMENT THROUGH SUNDAY EVENING...

* WHAT...Isolated minor coastal flooding.

* WHERE...Coastal Collier County.

* WHEN...Through Sunday evening.

* IMPACTS...Some water on low lying roads and property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
1 follow-up statement
268 
WHUS42 KMFL 181918
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
318 PM EDT Fri Sep 18 2020

FLZ168-190330-
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
/O.CON.KMFL.RP.S.0045.000000T0000Z-200919T0000Z/
Coastal Palm Beach-
318 PM EDT Fri Sep 18 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...For the High Rip Current Risk, dangerous rip currents. 
  For the Coastal Flood Statement, isolated minor coastal 
  flooding.

* WHERE...Coastal Palm Beach County.

* WHEN...For the High Rip Current Risk, through this evening. 
  For the Coastal Flood Statement, through Sunday evening.

* IMPACTS...Some water on low lying roads and property. Rip
  currents can sweep even the best swimmers away from shore into
  deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

FLZ172-173-190330-
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
Coastal Broward-Coastal Miami-Dade-
318 PM EDT Fri Sep 18 2020

* WHAT...Isolated minor coastal flooding.

* WHERE...Coastal Broward and Coastal Miami-Dade Counties.

* WHEN...Through Sunday evening.

* IMPACTS...Some water on low lying roads and property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

FLZ069-190330-
/O.CON.KMFL.CF.S.0006.000000T0000Z-200921T0000Z/
Coastal Collier-
318 PM EDT Fri Sep 18 2020

* WHAT...Isolated minor coastal flooding.

* WHERE...Coastal Collier County.

* WHEN...Through Sunday evening.

* IMPACTS...Some water on low lying roads and property.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

Frye

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 5:10 PM EDTSpecial Weather StatementMFLPalm Beach65 min

Nearby

Rip Current Statements in Florida, 2020Every rip current statement in 2020

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.