Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 30, NWS Tampa Bay, FL

December 21, 20216 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Dec 21, 2021, 3:40 AM EST for 6 counties in Florida. It took effect at Dec 21, 2021, 7:00 AM EST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2021, 3:40 AM EST (08:40 UTC)
In effect from
Dec 21, 2021, 7:00 AM EST
Expired
Dec 22, 2021, 7:00 AM EST
In force
24 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-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2021-12-21Temperature 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 2021-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

980 
WHUS42 KTBW 210840
CFWTBW

Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
340 AM EST Tue Dec 21 2021

FLZ050-151-155-160-162-165-220000-
/O.NEW.KTBW.SU.Y.0008.211221T1200Z-211222T0000Z/
/O.NEW.KTBW.RP.S.0030.211221T1200Z-211222T1200Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
340 AM EST Tue Dec 21 2021

...HIGH SURF ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
EST THIS EVENING...
...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH WEDNESDAY MORNING...

* WHAT...For the High Surf Advisory, large breaking waves of 5
  feet. For the High Rip Current Risk, dangerous rip currents 
  expected.

* WHERE...Pinellas, Coastal Hillsborough, Coastal Manatee, 
  Coastal Sarasota, Coastal Charlotte and Coastal Lee Counties.

* WHEN...For the High Surf Advisory, from 7 AM this morning to 7 
  PM EST this evening. For the High Rip Current Risk, from 7 AM 
  EST this morning through Wednesday morning.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$
1 follow-up statement
729 
WHUS42 KTBW 220108
CFWTBW

Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
808 PM EST Tue Dec 21 2021

FLZ050-151-155-160-162-165-221200-
/O.CON.KTBW.RP.S.0030.000000T0000Z-211222T1200Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-
808 PM EST Tue Dec 21 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Dangerous rip currents.

* WHERE...Coastal Manatee, Coastal Hillsborough, Coastal 
  Sarasota, Pinellas, Coastal Charlotte and Coastal Lee Counties.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 21, 3:40 AM ESTHigh Surf AdvisoryTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota15 hr
Dec 21, 4:05 AM ESTGale WarningTBW10 hr
Dec 21, 4:14 AM ESTSpecial Marine WarningTBW46 min
Dec 21, 5:03 AM ESTSpecial Marine WarningTBW42 min
Dec 21, 6:55 AM ESTSpecial Marine WarningTBW50 min
Dec 21, 7:46 AM ESTSpecial Marine WarningTBW59 min
Dec 21, 8:08 AM ESTSpecial Weather StatementTBWHillsborough, Manatee, Pinellas, Sarasota52 min
Dec 21, 8:15 AM ESTSevere Thunderstorm WarningTBWHillsborough, Manatee, Sarasota30 min
Dec 21, 8:51 AM ESTWind AdvisoryTBWCharlotte, DeSoto, Hardee, Highlands, Lee4 hr

Nearby

Rip Current Statements in Florida, 2021Every rip current statement in 2021

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.