Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 13, NWS Tampa Bay, FL

April 27, 20156 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Apr 27, 2015, 10:21 AM EDT for 6 counties in Florida. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2015, 10:21 AM EDT (14:21 UTC)
Expired
Apr 28, 2015, 2:05 PM EDT
In force
28 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 14:22 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

Tampa Bay, FL (KTBW), launched 12:00Z, 2.4 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 12:00Z on 2015-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1571 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 12:00Z on 2015-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -71 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
1571 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-71 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
-0.6
Supercell composite
-4.2

Open this sounding in Storm Lab

The text

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

074 
WHUS42 KTBW 271421
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1021 AM EDT MON APR 27 2015

...STEADY ONSHORE WEST TO SOUTHWESTERLY WINDS COMBINED WITH A
SOUTHWEST SWELL WILL CONTINUE FOR THE NEXT COUPLE OF DAYS AND
WILL RESULT IN AN ELEVATED RISK OF MORE FREQUENT AND STRONGER 
RIP CURRENTS ALONG AREA BEACHES.

FLZ050-151-155-160-162-165-282100-
/O.NEW.KTBW.RP.S.0013.150427T1421Z-150428T2100Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
1021 AM EDT MON APR 27 2015

...MODERATE RIP CURRENT RISK IN EFFECT THROUGH TUESDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A
MODERATE RIP CURRENT RISK...WHICH IS IN EFFECT THROUGH TUESDAY
AFTERNOON.

* TIMING...THROUGH TUESDAY AFTERNOON.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER
  AND MORE FREQUENT FOR THE NEXT COUPLE OF DAYS.

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
326 
WHUS42 KTBW 280724
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
324 AM EDT TUE APR 28 2015

FLZ050-151-155-160-162-165-290000-
/O.EXT.KTBW.RP.S.0013.000000T0000Z-150430T0000Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
324 AM EDT TUE APR 28 2015

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY
EVENING...

* TIMING...THROUGH WEDNESDAY EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER
  AND MORE FREQUENT FOR THE NEXT DAY OR TWO.

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
912 
WHUS42 KTBW 280724 CCA
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
324 AM EDT TUE APR 28 2015

FLZ050-151-155-160-162-165-290000-
/O.COR.KTBW.RP.S.0013.000000T0000Z-150430T0000Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
324 AM EDT TUE APR 28 2015

...MODERATE RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY
EVENING...

* TIMING...THROUGH WEDNESDAY EVENING.

* IMPACTS...RIP CURRENTS WILL HAVE THE POTENTIAL TO BE STRONGER
  AND MORE FREQUENT FOR THE NEXT DAY OR TWO.

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
217 
WHUS42 KTBW 281805
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
205 PM EDT TUE APR 28 2015

...RIP CURRENT STATEMENT HAS BEEN CANCELLED FOR AREA BEACHES...

.RIP CURRENT RISK HAS BEEN REDUCED AS WINDS HAVE BECOME OFF
SHORE.

FLZ050-151-155-160-162-165-281915-
/O.CAN.KTBW.RP.S.0013.000000T0000Z-150430T0000Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
205 PM EDT TUE APR 28 2015

...HIGH RIP CURRENT RISK IS CANCELLED...

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



$$


HTTP://WWW.WEATHER.GOV/TAMPA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 4:31 PM EDTSpecial Weather StatementTBWHardee44 min
Apr 27, 5:00 PM EDTSevere Thunderstorm WarningTBWHighlands45 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.