Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 37, NWS Melbourne, FL

September 29, 2017Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Sep 29, 2017, 3:20 AM EDT for Volusia County, Florida. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Sep 29, 2017, 3:20 AM EDT (07:20 UTC)
Expired: Sep 29, 2017, 8:00 PM EDT
In force: 17 hr
Issued by: NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 07:22 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 7.3 hours before the alert went out and 91 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 204 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1136 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

617 
WHUS42 KMLB 290720
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
320 AM EDT FRI SEP 29 2017

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

FLZ047-054-059-064-141-147-300000-
/O.NEW.KMLB.RP.S.0037.170929T0720Z-170930T0000Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
320 AM EDT FRI SEP 29 2017

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH THIS EVENING. 

* TIMING...STRONG RIP CURRENTS WILL BE PRESENT AT AREA BEACHES ALL
  DAY, BUT WILL BE MOST NUMEROUS THROUGH AROUND 12 NOON, AND AGAIN
  TOWARD SUNSET.

* IMPACTS...NUMEROUS RIP CURRENTS WILL FORM, ESPECIALLY DURING 
  THE TIMES OF THE OUTGOING TIDE. LARGE WAVES CAN EASILY KNOCK YOU
  OFF OF YOUR FEET IF WALKING IN THE SURF.

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND
PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS AND
SIGNS.

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.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 29, 5:02 PM EDT	Areal Flood Advisory	MLB	Orange, Seminole	88 min
Sep 29, 6:05 PM EDT	Areal Flood Advisory	MLB	Indian River	85 min
Sep 29, 7:34 PM EDT	Areal Flood Advisory	MLB	Indian River	86 min

Nearby

Rip Current Statements in Florida, 2017 Every 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.