Alert archive / Florida / Beach Hazards Statements in 2015

Beach Hazards Statement 4, NWS Tampa Bay, FL

April 24, 20155 counties in Florida

NWS Tampa Bay, FL issued this beach hazards statement at Apr 24, 2015, 2:34 PM EDT for 5 counties in Florida. It took effect at Apr 25, 2015, 11:00 AM EDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Apr 24, 2015, 2:34 PM EDT (18:34 UTC)
In effect from
Apr 25, 2015, 11:00 AM EDT
Expired
Apr 26, 2015, 8:00 PM EDT
In force
33 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 18:33 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, 6.6 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 2015-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 739 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, Tampa Bay, FL at 12:00Z on 2015-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
739 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

246 
WHUS42 KTBW 241834
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
234 PM EDT FRI APR 24 2015

...MODERATE RISK OF RIP CURRENTS SATURDAY AND SUNDAY...

.STEADY ONSHORE WEST TO SOUTHWESTERLY WINDS FROM LATE SATURDAY
MORNING THROUGH THE DAY ON SUNDAY WILL RESULT IN AN ELEVATED 
RISK OF MORE FREQUENT AND STRONGER RIP CURRENTS ALONG AREA BEACHES.

FLZ050-155-160-162-165-251200-
/O.NEW.KTBW.BH.S.0004.150425T1500Z-150427T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
234 PM EDT FRI APR 24 2015

...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM SATURDAY MORNING
THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A
BEACH HAZARDS STATEMENT FOR A MODERATE RISK OF RIP CURRENTS...WHICH
IS IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY EVENING.

* HAZARDS...MODERATE RISK OF RIP CURRENTS.

* TIMING...LATE SATURDAY MORNING THROUGH SUNDAY EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER AND
  MORE FREQUENT THROUGH THE WEEKEND.

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
3 follow-up statements
800 
WHUS42 KTBW 250732
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
332 AM EDT SAT APR 25 2015

...MODERATE RISK OF RIP CURRENTS SATURDAY AND SUNDAY...

.STEADY ONSHORE WEST TO SOUTHWESTERLY WINDS FROM LATE SATURDAY
MORNING THROUGH THE DAY ON SUNDAY WILL RESULT IN AN ELEVATED RISK
OF MORE FREQUENT AND STRONGER RIP CURRENTS ALONG AREA BEACHES.

FLZ050-155-160-162-165-260000-
/O.CON.KTBW.BH.S.0004.150425T1500Z-150427T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
332 AM EDT SAT APR 25 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 AM EDT THIS
MORNING THROUGH SUNDAY EVENING...

* HAZARDS...MODERATE RISK OF RIP CURRENTS.

* TIMING...LATE SATURDAY MORNING THROUGH SUNDAY EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER 
  AND MORE FREQUENT THROUGH THE WEEKEND. 

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
968 
WHUS42 KTBW 251853
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
253 PM EDT SAT APR 25 2015

...MODERATE RISK OF RIP CURRENTS THROUGH SUNDAY...

.STEADY ONSHORE WEST TO SOUTHWESTERLY WINDS WILL CONTINUE THROUGH
THE DAY ON SUNDAY WILL RESULT IN AN ELEVATED RISK OF MORE FREQUENT
AND STRONGER RIP CURRENTS ALONG AREA BEACHES.

FLZ050-155-160-162-165-261100-
/O.CON.KTBW.BH.S.0004.000000T0000Z-150427T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
253 PM EDT SAT APR 25 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* HAZARDS...MODERATE RISK OF RIP CURRENTS.

* TIMING...THROUGH SUNDAY EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER
  AND MORE FREQUENT THROUGH THE REMAINDER OF THE WEEKEND.

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
363 
WHUS42 KTBW 260836
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
436 AM EDT SUN APR 26 2015

...MODERATE RISK OF RIP CURRENTS THROUGH THIS EVENING...

.STEADY ONSHORE WEST TO SOUTHWESTERLY WINDS WILL CONTINUE THROUGH
THE DAY AND WILL RESULT IN AN ELEVATED RISK OF MORE FREQUENT AND
STRONGER RIP CURRENTS ALONG AREA BEACHES.

FLZ050-155-160-162-165-270000-
/O.CON.KTBW.BH.S.0004.000000T0000Z-150427T0000Z/
PINELLAS-COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-
COASTAL LEE-
436 AM EDT SUN APR 26 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* HAZARDS...MODERATE RISK OF RIP CURRENTS.

* TIMING...THROUGH THIS EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER 
  AND MORE FREQUENT THROUGH THE REMAINDER OF THE WEEKEND. 

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

Nearby

Beach Hazards Statements in Florida, 2015Every beach hazards 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.