Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 14, NWS Tampa Bay, FL

April 29, 20155 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Apr 29, 2015, 10:44 AM EDT for 5 counties in Florida. It took effect at Apr 29, 2015, 2:00 PM EDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2015, 10:44 AM EDT (14:44 UTC)
In effect from
Apr 29, 2015, 2:00 PM EDT
Expired
Apr 30, 2015, 8:00 PM EDT
In force
30 hr
Issued by
NWS Tampa Bay, FL

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

The radar

The Tampa radar (KTBW), 56 km from the middle of the area, began a volume at 14:43 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 12:00Z, 2.7 hours before the alert went out and 56 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 12:00Z on 2015-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2015-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

010 
WHUS42 KTBW 291444
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1044 AM EDT WED APR 29 2015

...RIP CURRENT THREAT INCREASING ALONG AREA BEACHES...

.RIP CURRENT RISK WILL INCREASE THROUGH TODAY AND TOMORROW AS
ONSHORE WINDS INCREASE AND WAVE ENERGY FOCUSES TOWARDS THE COAST.

FLZ050-155-160-162-165-301200-
/O.NEW.KTBW.RP.S.0014.150429T1800Z-150501T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
1044 AM EDT WED APR 29 2015

...MODERATE TO HIGH RIP CURRENT RISK IN EFFECT FROM 2 PM EDT THIS
AFTERNOON THROUGH THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A
HIGH RIP CURRENT RISK...WHICH IS IN EFFECT FROM 2 PM EDT THIS
AFTERNOON THROUGH THURSDAY EVENING. 

* TIMING...THROUGH TOMORROW EVENING. MAY EXTEND INTO FRIDAY IF
  THREAT PERSISTS.

* IMPACTS...MODERATE TO HIGH RISK OF LIFE THREATENING RIP
  CURRENTS.

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
064 
WHUS42 KTBW 300843
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
443 AM EDT THU APR 30 2015

...RIP CURRENT THREAT CONTINUES ALONG AREA BEACHES...

.A MODERATE RISK FOR RIP CURRENT RISK WILL CONTINUE THROUGH THIS
EVENING AS ONSHORE WINDS INCREASE AND WAVE ENERGY FOCUSES TOWARDS
THE COAST.

FLZ050-155-160-162-165-010000-
/O.CON.KTBW.RP.S.0014.000000T0000Z-150501T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
443 AM EDT THU APR 30 2015

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

* TIMING...THROUGH THIS EVENING. 

* IMPACTS...MODERATE RISK OF LIFE THREATENING RIP CURRENTS.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 1:32 AM EDTSpecial Weather StatementTBWLee43 min
Apr 29, 2:49 AM EDTSpecial Weather StatementTBWLee26 min

Nearby

Rip Current Statements in Florida, 2015Every rip current statement in 2015

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.