Alert archive / Florida / Rip Current Statements in 2013

Rip Current Statement 11, NWS Tampa Bay, FL

December 15, 20134 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Dec 15, 2013, 5:27 AM EST for 4 counties in Florida. It took effect at Dec 15, 2013, 7:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 15, 2013, 5:27 AM EST (10:27 UTC)
In effect from
Dec 15, 2013, 7:00 AM EST
Expired
Dec 15, 2013, 7:00 PM EST
In force
12 hr
Issued by
NWS Tampa Bay, FL

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

The radar

The Tampa radar (KTBW), 11 km from the middle of the area, began a volume at 10:28 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, 10.5 hours before the alert went out and 11 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 2013-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 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 2013-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
220 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WHUS42 KTBW 151027
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
527 AM EST SUN DEC 15 2013

...RIP CURRENT RISK IS IN EFFECT THROUGH 7 PM EST THIS EVENING...

.WINDS SHIFTING TO NORTHWESTERLY BY THE END OF THE DAY WILL HAVE
ENOUGH OF A ROBUST ONSHORE COMPONENT TO PRODUCE A MODERATE RISK OF
RIP CURRENTS.

FLZ050-151-155-160-160000-
/O.NEW.KTBW.RP.S.0011.131215T1200Z-131216T0000Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
527 AM EST SUN DEC 15 2013

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

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

* TIMING...A MODERATE RISK FOR RIP CURRENTS WILL BE IN PLACE
  THROUGH 7 PM THIS EVENING.

* IMPACTS...BREAKING WAVES AND STRONG SHORE PARALLEL CURRENTS WILL
  RESULT IN AN ELEVATED RISK FOR RIP CURRENTS WHICH CAN PULL EVEN
  STRONG 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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 7:02 PM ESTSpecial Weather StatementTBWLevy58 min
Dec 14, 7:09 PM ESTSpecial Weather StatementTBWCitrus21 min
Dec 14, 7:48 PM ESTSpecial Weather StatementTBWCitrus42 min
Dec 14, 7:56 PM ESTSpecial Weather StatementTBWLevy64 min
Dec 14, 8:06 PM ESTSpecial Marine WarningTBW114 min
Dec 14, 9:59 PM ESTSpecial Marine WarningTBW91 min
Dec 15, 6:23 AM ESTSpecial Weather StatementTBWHillsborough52 min
Dec 15, 6:33 AM ESTSpecial Weather StatementTBWPolk42 min
Dec 15, 9:37 AM ESTSpecial Weather StatementTBWHighlands23 min

Nearby

Rip Current Statements in Florida, 2013Every rip current statement in 2013

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.