Alert archive / California / Beach Hazards Statements in 2016
Beach Hazards Statement 10, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Apr 30, 2016, 12:10 PM PDT for 6 counties in California. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2016, 12:10 PM PDT (19:10 UTC)
- Expired
- Apr 30, 2016, 9:00 PM PDT
- In force
- 9 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 19:07 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
Oakland, CA (KOAK), launched 12:00Z, 7.2 hours before the alert went out and 26 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2079 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
374 WHUS46 KMTR 301910 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 1210 PM PDT SAT APR 30 2016 TODAY'S MODERATE TO STRONG NORTHERLY WINDS THAT ARE BLOWING OVER THE COASTAL WATERS HAVE GENERATED MODERATE SIZE LOCAL WAVES. THESE WAVES ARE CAPABLE OF PRODUCING STRONG RIP CURRENTS...STRONG LONG SHORE CURRENTS AND LARGE SHORE BREAK. BEACH OBSERVATIONS PROVIDED BY LOCAL LIFEGUARDS INDICATE THAT THESE HAZARDS ARE CURRENTLY OCCURRING AT AREA BEACHES. CAZ006-505-509-529-530-010400- /O.NEW.KMTR.BH.S.0010.160430T1910Z-160501T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1210 PM PDT SAT APR 30 2016 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR STRONG RIP CURRENTS...LARGE SHORE BREAK AND STRONG LONG SHORE CURRENTS...WHICH IS IN EFFECT UNTIL 9 PM PDT THIS EVENING. * HAZARDS...STRONG RIP CURRENTS...LARGE SHORE BREAK AND STRONG LONG SHORE CURRENTS. * TIMING...THROUGH THIS EVENING. * LOCATION...THE COASTLINE FROM SONOMA THROUGH MONTEREY COUNTY. * POTENTIAL IMPACTS...STRONG RIP CURRENTS CAN PULL EVEN THE MOST EXPERIENCED SWIMMERS OUT TO SEA. LARGE SHORE BREAK CAN RESULT IN NECK AND BACK INJURIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONG SHORECURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 9:06 PM PDT | Small Craft Advisory | MTR | 24 hr |
Nearby
Beach Hazards Statements in California, 2016Every beach hazards statement in 2016
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.