Alert archive / Florida / Beach Hazards Statements in 2012

Beach Hazards Statement 17, NWS Tampa Bay, FL

November 7, 2012Pinellas County, Florida

NWS Tampa Bay, FL issued this beach hazards statement at Nov 7, 2012, 5:13 AM EST for Pinellas County, Florida. It took effect at Nov 7, 2012, 7:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Nov 7, 2012, 5:13 AM EST (10:13 UTC)
In effect from
Nov 7, 2012, 7:00 AM EST
Expired
Nov 7, 2012, 7:00 PM EST
In force
12 hr
Issued by
NWS Tampa Bay, FL

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 40 km from the middle of the area, began a volume at 10:19 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, 10.2 hours before the alert went out and 40 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 2012-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 143 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2012-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939587897Sfc1 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
143 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

016 
WHUS42 KTBW 071013
CFWTBW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
513 AM EST WED NOV 7 2012

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

.ROBUST NORTHWEST WINDS OVER THE EASTERN GULF OF MEXICO WILL
CREATE A MODERATE RISK OF RIP CURRENTS AND LONGSHORE CURRENTS
ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA BEACHES THROUGH THIS
EVENING.

FLZ050-051-055-060-062-065-080000-
/O.NEW.KTBW.BH.S.0017.121107T1200Z-121108T0000Z/
PINELLAS-HILLSBOROUGH-MANATEE-SARASOTA-CHARLOTTE-LEE-
513 AM EST WED NOV 7 2012

...BEACH HAZARDS STATEMENT IN EFFECT 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 THROUGH THIS EVENING.

* HAZARDS...RIP CURRENTS.

* TIMING...7 AM TO 7 PM TODAY.

* LOCATION...PINELLAS COUNTY SOUTH TO LEE COUNTY.

* POTENTIAL IMPACTS...THOSE PLANNING BEACH ACTIVITIES SHOULD USE
  EXTREME CAUTION WHEN VENTURING INTO THE WATER AND BE AWARE OF
  THE RISK OF STRONG RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
ARE POSSIBLE. CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH
HAZARDS STATEMENT...

&&

$$


HTTP://WWW.WEATHER.GOV/TAMPA

Nearby

Beach Hazards Statements in Florida, 2012Every beach hazards statement in 2012

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.