Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 25, NWS Tampa Bay, FL

September 30, 20156 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Sep 30, 2015, 4:39 AM EDT for 6 counties in Florida. It took effect at Sep 30, 2015, 5:00 AM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Sep 30, 2015, 4:39 AM EDT (08:39 UTC)
In effect from: Sep 30, 2015, 5:00 AM EDT
Expired: Sep 30, 2015, 7:50 PM EDT
In force: 15 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 08:41 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, 8.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1313 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 8 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.

390 
WHUS42 KTBW 300839
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
439 AM EDT WED SEP 30 2015

FLZ050-151-155-160-162-165-011200-
/O.NEW.KTBW.RP.S.0025.150930T0900Z-151001T1200Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
439 AM EDT WED SEP 30 2015

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH THURSDAY MORNING.

* RIP CURRENT TIMING...THROUGH AT LEAST THURSDAY MORNING.

* RIP CURRENT IMPACTS...PERSISTENT WESTERLY WINDS WILL SUPPORT
  STRONGER AND MORE FREQUENT RIP CURRENTS AT WEST CENTRAL AND
  SOUTHWEST FLORIDA BEACHES.

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

212 
WHUS42 KTBW 302350
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
750 PM EDT WED SEP 30 2015

...HIGH RISK OF RIP CURRENTS CANCELLED...

.RELATIVELY LIGHT NORTHWEST WINDS WITH SEAS 2 FEET OR LESS HAS
DECREASED THE THREAT FOR RIP CURRENT.

FLZ050-151-155-160-162-165-010100-
/O.CAN.KTBW.RP.S.0025.000000T0000Z-151001T1200Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
750 PM EDT WED SEP 30 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.

Issued	Product	Office	Counties	Lasted
Sep 29, 9:48 PM EDT	River Flood Warning	TBW	Hillsborough	56 hr
Sep 29, 9:48 PM EDT	River Flood Warning	TBW	Hardee	61 hr

Nearby

Rip Current Statements in Florida, 2015 Every 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.