Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 35, NWS Tampa Bay, FL

December 9, 20176 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Dec 9, 2017, 4:29 AM EST for 6 counties in Florida. It took effect at Dec 9, 2017, 7:00 AM EST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2017, 4:29 AM EST (09:29 UTC)
In effect from
Dec 9, 2017, 7:00 AM EST
Expired
Dec 10, 2017, 4:00 AM EST
In force
21 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 09:31 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, 9.5 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 00:00Z on 2017-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1230 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 2017-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 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
1230 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted.

615 
WHUS42 KTBW 090929
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
429 AM EST SAT DEC 9 2017

FLZ050-151-155-160-162-165-091730-
/O.NEW.KTBW.RP.S.0035.171209T1200Z-171210T0500Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
429 AM EST SAT DEC 9 2017

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

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

* RIP CURRENT TIMING...INCREASING WAVE ACTION WILL CREATE RIP
  CURRENTS TODAY AND THIS EVENING

* RIP CURRENT IMPACTS...STRONG RIP CURRENTS WILL BE HAZARDOUS FOR
  THOSE IN THE SURF ZONE ALONG AREA BEACHES TODAY AND THIS
  EVENING.

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. FOR MAXIMUM SAFETY...SWIM NEAR A LIFEGUARD.
PAY ATTENTION TO FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. 

&&

$$


HTTP://WWW.WEATHER.GOV/TAMPA
1 follow-up statement
285 
WHUS42 KTBW 092025
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
325 PM EST SAT DEC 9 2017

FLZ050-151-155-160-162-165-100900-
/O.EXT.KTBW.RP.S.0035.000000T0000Z-171210T0900Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
325 PM EST SAT DEC 9 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH 4 AM EST SUNDAY...

* RIP CURRENT TIMING...INCREASING WAVE ACTION WILL CREATE RIP
  CURRENTS THROUGH EARLY SUNDAY MORNING 

* RIP CURRENT IMPACTS...STRONG RIP CURRENTS WILL BE HAZARDOUS 
  FOR THOSE IN THE SURF ZONE ALONG AREA BEACHES TODAY AND THIS 
  EVENING. 

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. FOR MAXIMUM SAFETY...SWIM NEAR A LIFEGUARD.
PAY ATTENTION TO FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$


HTTP://WWW.WEATHER.GOV/TAMPA

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 8:14 PM ESTSpecial Weather StatementTBWCitrus46 min
Dec 8, 8:20 PM ESTSpecial Marine WarningTBW40 min
Dec 8, 9:15 PM ESTSpecial Weather StatementTBWHernando30 min
Dec 8, 10:00 PM ESTSevere Thunderstorm WarningTBWCitrus, Sumter15 min
Dec 8, 10:16 PM ESTSpecial Weather StatementTBWManatee29 min
Dec 8, 10:30 PM ESTSpecial Marine WarningTBW60 min
Dec 8, 11:05 PM ESTSpecial Weather StatementTBWPasco40 min
Dec 9, 12:08 AM ESTSpecial Weather StatementTBWCharlotte37 min
Dec 9, 12:28 AM ESTSpecial Marine WarningTBW32 min
Dec 9, 12:35 AM ESTSevere Thunderstorm WarningTBWHillsborough, Manatee, Sarasota25 min
Dec 9, 1:02 AM ESTSpecial Weather StatementTBWHillsborough28 min
Dec 9, 2:57 AM ESTSpecial Marine WarningTBW33 min
Dec 9, 3:15 AM ESTSpecial Weather StatementTBWCharlotte, DeSoto30 min
Dec 9, 3:56 AM ESTSpecial Marine WarningTBW34 min
Dec 9, 3:59 AM ESTSpecial Weather StatementTBWLee46 min
Dec 9, 3:11 PM ESTWind Chill AdvisoryTBWDeSoto, Hardee, Highlands, Hillsborough, Manatee, Pasco and 1 more17 hr
Dec 9, 3:22 PM ESTFreeze WatchTBWCitrus, Hernando, Levy, Sumter23 hr
Dec 9, 3:22 PM ESTFreeze WarningTBWLevy17 hr

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.