Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 19, NWS Tampa Bay, FL

April 30, 20204 counties in Florida

NWS Tampa Bay, FL issued this rip current statement at Apr 30, 2020, 3:45 AM EDT for 4 counties in Florida. It took effect at Apr 30, 2020, 8:00 AM EDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2020, 3:45 AM EDT (07:45 UTC)
In effect from
Apr 30, 2020, 8:00 AM EDT
Expired
May 1, 2020, 8:00 AM EDT
In force
24 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 07:44 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, 7.8 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 2020-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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 2020-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
107 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
1642 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

588 
WHUS42 KTBW 300745
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
345 AM EDT Thu Apr 30 2020

FLZ050-151-155-160-010000-
/O.NEW.KTBW.RP.S.0019.200430T1200Z-200501T0000Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
345 AM EDT Thu Apr 30 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT 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 8 AM EDT this
morning through this evening. 

* RIP CURRENT TIMING...Increasing wave action will create rip
  currents through this evening. 

* RIP CURRENT IMPACTS...Rip currents can sweep even the best 
  swimmers away from shore 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. 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. 

&&

$$


https://www.weather.gov/tampa
1 follow-up statement
841 
WHUS42 KTBW 302355
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tampa Bay Ruskin FL
755 PM EDT Thu Apr 30 2020

FLZ050-151-155-160-011200-
/O.EXT.KTBW.RP.S.0019.000000T0000Z-200501T1200Z/
Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
755 PM EDT Thu Apr 30 2020

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH FRIDAY MORNING...

* RIP CURRENT TIMING...Increasing wave action will create rip
  currents through early Friday morning. 

* RIP CURRENT IMPACTS...Rip currents can sweep even the best 
  swimmers away from shore 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. 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.

&&

$$

https://www.weather.gov/tampabay

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 11:59 PM EDTSpecial Marine WarningTBW61 min
Apr 30, 12:33 AM EDTSpecial Weather StatementTBWCitrus, Hernando, Levy57 min
Apr 30, 12:45 AM EDTSpecial Weather StatementTBWHillsborough, Pasco, Pinellas60 min
Apr 30, 12:50 AM EDTSpecial Marine WarningTBW55 min
Apr 30, 1:40 AM EDTSpecial Marine WarningTBW35 min
Apr 30, 2:10 AM EDTSpecial Marine WarningTBW65 min
Apr 30, 6:24 AM EDTSpecial Marine WarningTBW36 min
Apr 30, 6:26 AM EDTSpecial Marine WarningTBW49 min
Apr 30, 7:10 AM EDTSpecial Marine WarningTBW35 min
Apr 30, 7:15 AM EDTSpecial Marine WarningTBW60 min
Apr 30, 8:03 AM EDTSpecial Weather StatementTBWCharlotte, DeSoto, Hardee, Sarasota42 min
Apr 30, 8:47 AM EDTSpecial Weather StatementTBWDeSoto, Hardee, Highlands43 min
Apr 30, 8:50 AM EDTSpecial Weather StatementTBWDeSoto, Hardee, Highlands40 min
Apr 30, 9:32 AM EDTSpecial Weather StatementTBWHighlands43 min
Apr 30, 10:25 AM EDTSpecial Marine WarningTBW50 min

Nearby

Rip Current Statements in Florida, 2020Every rip current statement in 2020

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.