Alert archive / Florida / Rip Current Statements in 2013

Rip Current Statement 9, NWS Tampa Bay, FL

October 23, 2013Pinellas County, Florida

NWS Tampa Bay, FL issued this rip current statement at Oct 23, 2013, 6:00 AM EDT for Pinellas County, Florida. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2013, 6:00 AM EDT (10:00 UTC)
Expired
Oct 23, 2013, 8:00 PM EDT
In force
14 hr
Issued by
NWS Tampa Bay, FL

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 40 km from the middle of the area, began a volume at 10:03 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

Tampa Bay, FL (KTBW), launched 00:00Z, 10.0 hours before the alert went out and 40 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, Tampa Bay, FL at 00:00Z on 2013-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 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, Tampa Bay, FL at 00:00Z on 2013-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1191 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

796 
WHUS42 KTBW 231000
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
600 AM EDT WED OCT 23 2013

...MODERATE RISK OF RIP CURRENTS AT AREA BEACHES...

.NORTHERLY WINDS AROUND 20 MPH WILL CREATE A MODERATE RISK OF RIP
CURRENTS TODAY AT BEACHES ALONG THE WEST CENTRAL AND SOUTHWEST
FLORIDA COAST.

FLZ050-051-055-060-062-065-240000-
/O.NEW.KTBW.RP.S.0009.131023T1000Z-131024T0000Z/
PINELLAS-HILLSBOROUGH-MANATEE-SARASOTA-CHARLOTTE-LEE-
600 AM EDT WED OCT 23 2013

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

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH THIS EVENING. 

* TIMING...THROUGH 8 PM TODAY

* IMPACTS...RIP CURRENTS CAN PULL EVEN STRONG SWIMMERS OUT INTO 
  DEEPER WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$

HTTP://WWW.WEATHER.GOV/TAMPABAY
1 follow-up statement
329 
WHUS42 KTBW 240006
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
806 PM EDT WED OCT 23 2013

FLZ050-051-055-060-062-065-240115-
/O.EXP.KTBW.RP.S.0009.000000T0000Z-131024T0000Z/
PINELLAS-HILLSBOROUGH-MANATEE-SARASOTA-CHARLOTTE-LEE-
806 PM EDT WED OCT 23 2013

...RIP CURRENT RISK HAS EXPIRED...

NORTHERLY WINDS WILL CONTINUE TO VEER TO THE NORTHEAST OVERNIGHT...
THEREFORE THE THREAT OF RIP CURRENTS HAS DIMINISHED. SWIMMERS ARE
STILL ADVISED TO MAINTAIN AWARENESS OF BEACH CONDITIONS AND FOLLOW
THE DIRECTIONS OF LIFEGUARDS.

$$


HTTP://WWW.WEATHER.GOV/TAMPA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 5:20 AM EDTSmall Craft AdvisoryTBW35 hr

Nearby

Rip Current Statements in Florida, 2013Every rip current statement in 2013

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.