Alert archive / California / Beach Hazards Statements in 2015
Beach Hazards Statement 8, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Sep 9, 2015, 3:00 AM PDT for 6 counties in California. It took effect at Sep 9, 2015, 8:00 AM PDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2015, 3:00 AM PDT (10:00 UTC)
- In effect from
- Sep 9, 2015, 8:00 AM PDT
- Expired
- Sep 9, 2015, 9:00 PM PDT
- In force
- 13 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 10:03 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 00:00Z, 10.0 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
- 4122 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
931 WHUS46 KMTR 091000 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 300 AM PDT WED SEP 9 2015 ...STRONG RIP CURRENTS WILL REMAIN A POSSIBILITY TODAY... A MODERATE PERIOD SOUTHERLY SWELL WILL CONTINUE TO MOVE THROUGH THE COASTAL WATERS TODAY. THIS MODERATE PERIOD SWELL WILL PROMOTE A HEIGHTENED RISK OF STRONG RIP CURRENTS AT THE BEACHES TODAY...ESPECIALLY ALONG SOUTHERLY FACING BEACHES. CAZ006-505-509-529-530-100400- /O.NEW.KMTR.BH.S.0008.150909T1500Z-150910T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 300 AM PDT WED SEP 9 2015 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM PDT THIS MORNING THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS...WHICH IS IN EFFECT FROM 8 AM PDT THIS MORNING THROUGH THIS EVENING. * LOCATION...BEACHES ALONG THE CENTRAL AND NORTHERN CALIFORNIA COAST FROM SONOMA COUNTY SOUTH INTO MONTEREY COUNTY. IN PARTICULAR SOUTHWEST FACING BEACHES...INCLUDING BUT NOT LIMITED TO...STINSON BEACH...SANTA CRUZ BOARDWALK BEACH AND TWIN LAKES BEACH. * TIMING...THROUGHOUT THE DAY TODAY INTO THE EVENING HOURS. * IMPACTS...STRONG RIP CURRENTS CAN PULL SWIMMERS AND WADERS QUICKLY INTO DEEP WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS. RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS SWIM NEAR A LIFEGUARD. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 2:33 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 40 hr |
Nearby
Beach Hazards Statements in California, 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.