Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 36, NWS Tampa Bay, FL

December 12, 20176 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Dec 12, 2017, 3:32 AM EST for 6 counties in Florida. It took effect at Dec 12, 2017, 10:00 AM EST. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2017, 3:32 AM EST (08:32 UTC)
In effect from
Dec 12, 2017, 10:00 AM EST
Expired
Dec 13, 2017, 3:00 PM EST
In force
29 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 08:33 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 00:00Z, 8.5 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 2017-12-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3006 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

965 
WHUS42 KTBW 120832
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
332 AM EST Tue Dec 12 2017

FLZ050-151-155-160-162-165-130000-
/O.NEW.KTBW.RP.S.0036.171212T1500Z-171213T0000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
332 AM EST Tue Dec 12 2017

...HIGH RIP CURRENT RISK IN EFFECT FROM 10 AM EST THIS MORNING
THROUGH THIS EVENING...

The National Weather Service in Tampa Bay Ruskin has issued a
High Rip Current Risk, which is in effect from 10 AM EST this
morning through this evening. 

* RIP CURRENT TIMING...Increasing wave action will create rip
  currents this morning through 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
4 follow-up statements
152 
WHUS42 KTBW 122016
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
316 PM EST Tue Dec 12 2017

FLZ050-151-155-160-162-165-131100-
/O.EXT.KTBW.RP.S.0036.000000T0000Z-171213T2000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
316 PM EST Tue Dec 12 2017

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

* RIP CURRENT TIMING...Increasing wave action will create rip
  currents into Wednesday afternoon. 

* 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/tampabay
261 
WHUS42 KTBW 130147
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
847 PM EST Tue Dec 12 2017

FLZ050-151-155-160-162-165-131800-
/O.CON.KTBW.RP.S.0036.000000T0000Z-171213T2000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
847 PM EST Tue Dec 12 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* RIP CURRENT TIMING...Increased wave action will create rip 
  currents into Wednesday afternoon. 

* 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
982 
WHUS42 KTBW 130826
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
326 AM EST Wed Dec 13 2017

FLZ050-151-155-160-162-165-132000-
/O.CON.KTBW.RP.S.0036.000000T0000Z-171213T2000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
326 AM EST Wed Dec 13 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

* RIP CURRENT TIMING...Elevated wave action will continue to
  support an high risk of rip currents through this afternoon.
 
* RIP CURRENT IMPACTS...Strong rip currents will be hazardous for
  those in the surf zone along area beaches today.
  

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
934 
WHUS42 KTBW 131937
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
237 PM EST Wed Dec 13 2017

FLZ050-151-155-160-162-165-132045-
/O.EXP.KTBW.RP.S.0036.000000T0000Z-171213T2000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
237 PM EST Wed Dec 13 2017

...HIGH RIP CURRENT RISK WILL EXPIRE AT 3 PM EST THIS AFTERNOON...

* RIP CURRENT TIMING...Elevated wave action will continue to 
  decrease through this afternoon.
 
* RIP CURRENT IMPACTS...Strong rip currents will be hazardous for
  those in the surf zone along area beaches through 3 PM EST this
  afternoon


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 11, 7:52 PM ESTSmall Craft AdvisoryTBW35 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.