Alert archive / California / Beach Hazards Statements in 2016
Beach Hazards Statement 18, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Nov 6, 2016, 8:59 AM PST for 6 counties in California. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 6, 2016, 8:59 AM PST (16:59 UTC)
- Expired
- Nov 6, 2016, 2:00 PM PST
- In force
- 5 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 17:02 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, 5.0 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
- 707 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
292 WHUS46 KMTR 061659 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 859 AM PST SUN NOV 6 2016 ...LARGE SURF WILL CONTINUE TO IMPACT THE COASTLINE THROUGH EARLY AFTERNOON... .LARGE SWELL MOVING INTO THE CENTRAL COASTAL WATERS HAS LIKELY PEAKED EARLY THIS MORNING. HOWEVER...LARGE SURF WILL CONTINUE TO IMPACT THE COAST THROUGH THIS AFTERNOON AS THE SWELL SLOWLY SUBSIDES. CONDITIONS SHOULD IMPROVE BY LATE THIS AFTERNOON AND EVENING. CAZ006-505-509-529-530-062200- /O.EXP.KMTR.SU.Y.0017.000000T0000Z-161106T1700Z/ /O.NEW.KMTR.BH.S.0018.161106T1700Z-161106T2200Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 859 AM PST SUN NOV 6 2016 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... ...HIGH SURF ADVISORY WILL EXPIRE AT 9 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR LARGE SURF...WHICH IS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. * SURF...LARGE...YET SUBSIDING WESTERLY SWELL WILL CONTINUE TO RESULT IN BREAKING WAVES IN THE SURF ZONE OF 16 TO 20 FT THIS MORNING. * TIMING...HAZARDOUS CONDITIONS WILL PERSIST THROUGH EARLY AFTERNOON BEFORE SUBSIDING BY THIS EVENING. * LOCATION...ENTIRE COASTLINE FROM SONOMA COUNTY SOUTHWARD THROUGH MONTEREY COUNTY. * POTENTIAL IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. REMAIN FARTHER BACK FROM THE SURF ZONE THAN NORMAL AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE COLD AND TURBULENT OCEAN WATERS. NEVER TURN YOUR BACK ON THE OCEAN. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION ESPECIALLY DURING MAX EBB. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
1 follow-up statement
108 WHUS46 KMTR 062156 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 156 PM PST SUN NOV 6 2016 CAZ006-505-509-529-530-062300- /O.EXP.KMTR.BH.S.0018.000000T0000Z-161106T2200Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 156 PM PST SUN NOV 6 2016 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 2 PM PST THIS AFTERNOON... LARGE WESTERLY SWELL THAT HAS BEEN IMPACTING THE COAST CONTINUES TO SUBSIDE THIS AFTERNOON. THUS, HAZARDOUS CONDITIONS ALONG AREA BEACHES WILL CONTINUE TO IMPROVE LATE THIS AFTERNOON AND EVENING. HOWEVER, TO BE SAFE, NEVER TURN YOUR BACK ON THE OCEAN AS WAVES CAN BE ERRATIC AND UNPREDICTABLE. $$
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.