Alert archive / Florida / Rip Current Statements in 2014

Rip Current Statement 24, NWS Tampa Bay, FL

August 11, 20146 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Aug 11, 2014, 4:46 AM EDT for 6 counties in Florida. It took effect at Aug 11, 2014, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2014, 4:46 AM EDT (08:46 UTC)
In effect from
Aug 11, 2014, 8:00 AM EDT
Expired
Aug 11, 2014, 8:19 PM EDT
In force
12 hr
Issued by
NWS Tampa Bay, FL

Counties Charlotte County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Pinellas County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 44 km from the middle of the area, began a volume at 08:48 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, 8.8 hours before the alert went out and 43 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 2014-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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 2014-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 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
161 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
-42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

355 
WHUS42 KTBW 110846
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
446 AM EDT MON AUG 11 2014

...INCREASED RISK FOR RIP CURRENTS THROUGH TONIGHT...

.ELEVATED WEST TO SOUTHWEST WINDS WILL LEAD TO AN INCREASED RISK
FOR RIP CURRENTS AT AREA BEACHES THROUGH TONIGHT.

FLZ050-151-155-160-162-165-120200-
/O.NEW.KTBW.RP.S.0024.140811T1200Z-140812T0200Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
446 AM EDT MON AUG 11 2014

...RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A RIP
CURRENT RISK...WHICH IS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING. 

* TIMING...THROUGH TONIGHT.

* IMPACTS...MODERATE RISK OF RIP CURRENTS AT AREA BEACHES. RIP
  CURRENTS ARE VERY DANGEROUS AND CAN PULL EVEN THE STRONGEST
  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/TAMPA
1 follow-up statement
379 
WHUS42 KTBW 120019
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
819 PM EDT MON AUG 11 2014

...RIP CURRENT RISK IS CANCELLED...

FLZ050-151-155-160-162-165-120130-
/O.CAN.KTBW.RP.S.0024.000000T0000Z-140812T0200Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
819 PM EDT MON AUG 11 2014

...RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS CANCELLED
THE RIP CURRENT RISK. 

WINDS AND SURF HAVE SUBSIDED ALONG AREA BEACHES...LEADING TO THE
RIP CURRENT RISK BEING CANCELLED. 

$$


HTTP://WWW.WEATHER.GOV/TAMPA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 4:30 PM EDTSpecial Weather StatementTBWPasco45 min
Aug 11, 5:36 PM EDTSpecial Weather StatementTBWPinellas24 min

Nearby

Rip Current Statements in Florida, 2014Every rip current statement in 2014

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.