Alert archive / Florida / Beach Hazards Statements in 2015

Beach Hazards Statement 2, NWS Tampa Bay, FL

April 19, 20156 counties in Florida

NWS Tampa Bay, FL issued this beach hazards statement at Apr 19, 2015, 3:44 AM EDT for 6 counties in Florida. It took effect at Apr 19, 2015, 10:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Apr 19, 2015, 3:44 AM EDT (07:44 UTC)
In effect from
Apr 19, 2015, 10:00 AM EDT
Expired
Apr 19, 2015, 8:00 PM EDT
In force
10 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 07:47 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, 7.7 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 2015-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 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 2015-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
767 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

790 
WHUS42 KTBW 190744
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
344 AM EDT SUN APR 19 2015

...MODERATE RISK OF RIP CURRENTS TODAY...

.WINDS ALONG THE COAST WILL BECOME SOUTH TO SOUTHWEST AND STRONG
ENOUGH TO RESULT IN A RISK OF RIP CURRENTS.

FLZ050-151-155-160-162-165-200000-
/O.NEW.KTBW.BH.S.0002.150419T1400Z-150420T0000Z/
PINELLAS-COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-
344 AM EDT SUN APR 19 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY RUSKIN HAS ISSUED A
BEACH HAZARDS STATEMENT FOR A MODERATE RISK OF RIP
CURRENTS...WHICH IS IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH
THIS EVENING.

* TIMING...THIS MORNING THROUGH THIS EVENING.

* LOCATION...MODERATE RISK OF RIP CURRENTS AT AREA BEACHES.

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
Apr 19, 4:01 PM EDTSpecial Marine WarningTBW89 min
Apr 19, 4:09 PM EDTSpecial Weather StatementTBWLevy51 min
Apr 19, 4:28 PM EDTSpecial Weather StatementTBWPolk32 min
Apr 19, 5:27 PM EDTSpecial Marine WarningTBW93 min
Apr 19, 5:43 PM EDTSpecial Weather StatementTBWCitrus, Hernando, Hillsborough, Pasco, Pinellas, Sumter47 min
Apr 19, 6:34 PM EDTSpecial Weather StatementTBWHillsborough, Manatee, Pinellas, Sarasota56 min
Apr 19, 6:56 PM EDTSpecial Marine WarningTBW2 hr

Nearby

Beach Hazards Statements in Florida, 2015Every beach hazards statement in 2015

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.