Alert archive / California / Beach Hazards Statements in 2013
Beach Hazards Statement 13, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Oct 19, 2013, 1:33 PM PDT for 6 counties in California. It took effect at Oct 20, 2013, 11:00 PM PDT. It was in force for 39 hr.
The area
The counties it named.
The facts
- Issued
- Oct 19, 2013, 1:33 PM PDT (20:33 UTC)
- In effect from
- Oct 20, 2013, 11:00 PM PDT
- Expired
- Oct 22, 2013, 1:36 PM PDT
- In force
- 39 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 20:31 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, 8.6 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
- 2325 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
921 WHUS46 KMTR 192033 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 PM PDT SAT OCT 19 2013 ...A LONG PERIOD NORTHWEST SWELL IS EXPECTED TO ARRIVE AT THE COAST LATE SUNDAY EVENING... .A LONG PERIOD NORTHWEST SWELL WILL ARRIVE TO THE NORTHERN AND CENTRAL CALIFORNIA COAST LATE SUNDAY EVENING. THIS SWELL WILL RESULT IN SNEAKER WAVES...LARGE SURF AND STRONG RIP CURRENTS. CAZ006-505-509-529-530-202045- /O.NEW.KMTR.BH.S.0013.131021T0600Z-131023T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 133 PM PDT SAT OCT 19 2013 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES...STRONG RIP CURRENTS AND LARGE SURF...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY AFTERNOON. * LOCATION...THE NORTHERN AND CENTRAL CALIFORNIA COAST STRETCHING FROM SONOMA COUNTY SOUTH TO SOUTHERN MONTEREY COUNTY. * TIMING...THE SWELL TRAIN WILL ARRIVE LATE SUNDAY EVENING AND WILL PERSIST THROUGH AT LEAST TUESDAY AFTERNOON. * IMPACTS...SNEAKER WAVES WHICH ARE CAPABLE OF WASHING PEOPLE INTO THE SEA FROM BEACHES AND ROCKS...STRONG RIP CURRENTS AND LARGE SURF. 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 AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. FISHERMEN SHOULD AVOID FISHING FROM ROCKS AND JETTIES. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
4 follow-up statements
095 WHUS46 KMTR 202030 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 130 PM PDT SUN OCT 20 2013 ...A LONG PERIOD NORTHWEST SWELL IS EXPECTED TO ARRIVE AT THE COAST LATE THIS EVENING... .A LONG PERIOD NORTHWEST SWELL WILL ARRIVE TO THE NORTHERN AND CENTRAL CALIFORNIA COAST LATE THIS EVENING. THIS SWELL WILL RESULT IN SNEAKER WAVES...LARGE SURF AND STRONG RIP CURRENTS. CAZ006-505-509-529-530-212030- /O.CON.KMTR.BH.S.0013.131021T0600Z-131023T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 130 PM PDT SUN OCT 20 2013 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH TUESDAY AFTERNOON... * LOCATION...THE NORTHERN AND CENTRAL CALIFORNIA COAST STRETCHING FROM SONOMA COUNTY SOUTH TO SOUTHERN MONTEREY COUNTY. * TIMING...THE SWELL TRAIN WILL ARRIVE LATE SUNDAY EVENING AND WILL PERSIST THROUGH AT LEAST TUESDAY AFTERNOON. * IMPACTS...SNEAKER WAVES WHICH ARE CAPABLE OF WASHING PEOPLE INTO THE SEA FROM BEACHES AND ROCKS...STRONG RIP CURRENTS AND LARGE SURF. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. FISHERMEN SHOULD AVOID FISHING FROM ROCKS AND JETTIES. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
518 WHUS46 KMTR 211249 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 549 AM PDT MON OCT 21 2013 ...A LONG PERIOD NORTHWEST SWELL WILL IMPACT THE CENTRAL COAST THROUGH TUESDAY... .A LONG PERIOD NORTHWEST SWELL WILL CONTINUE TO IMPACT THE CENTRAL COASTAL WATERS THROUGH TUESDAY. THIS SWELL WILL RESULT IN SNEAKER WAVES...LARGE SURF AND STRONG RIP CURRENTS. CAZ006-505-509-529-530-221300- /O.CON.KMTR.BH.S.0013.000000T0000Z-131023T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 549 AM PDT MON OCT 21 2013 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * LOCATION...THE NORTHERN AND CENTRAL CALIFORNIA COAST STRETCHING FROM SONOMA COUNTY SOUTH TO SOUTHERN MONTEREY COUNTY. * TIMING...THE SWELL TRAIN WILL PERSIST THROUGH AT LEAST TUESDAY AFTERNOON. * IMPACTS...SNEAKER WAVES WHICH ARE CAPABLE OF WASHING PEOPLE INTO THE SEA FROM BEACHES AND ROCKS...STRONG RIP CURRENTS AND LARGE SURF. 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 AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. FISHERMEN SHOULD AVOID FISHING FROM ROCKS AND JETTIES. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
682 WHUS46 KMTR 221232 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 532 AM PDT TUE OCT 22 2013 ...A LONG PERIOD NORTHWEST SWELL WILL IMPACT THE CENTRAL COAST THROUGH TODAY... .A LONG PERIOD NORTHWEST SWELL WILL CONTINUE TO IMPACT THE CENTRAL COASTAL WATERS TODAY. THIS SWELL WILL RESULT IN SNEAKER WAVES...LARGE SURF AND STRONG RIP CURRENTS. CAZ006-505-509-529-530-230000- /O.CON.KMTR.BH.S.0013.000000T0000Z-131023T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 532 AM PDT TUE OCT 22 2013 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * LOCATION...THE NORTHERN AND CENTRAL CALIFORNIA COAST STRETCHING FROM SONOMA COUNTY SOUTH TO SOUTHERN MONTEREY COUNTY. * TIMING...THE SWELL TRAIN WILL PERSIST THROUGH AT LEAST TUESDAY AFTERNOON. * IMPACTS...SNEAKER WAVES WHICH ARE CAPABLE OF WASHING PEOPLE INTO THE SEA FROM BEACHES AND ROCKS...STRONG RIP CURRENTS AND LARGE SURF. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. FISHERMEN SHOULD AVOID FISHING FROM ROCKS AND JETTIES. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
510 WHUS46 KMTR 222036 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 PM PDT TUE OCT 22 2013 CAZ006-505-509-529-530-222145- /O.CAN.KMTR.BH.S.0013.000000T0000Z-131023T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 136 PM PDT TUE OCT 22 2013 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS CANCELLED THE BEACH HAZARDS STATEMENT. NORTHWESTERLY SWELLS BETWEEN 5 AND 7 FEET AT 17 SECONDS WILL SUBSIDE INTO THE EVENING HOURS. THERE WILL BE AN ISOLATED THREAT FOR SNEAKER WAVES AND RIP CURRENTS THROUGH THE EVENING HOURS...HOWEVER THE MAIN THREAT HAS ENDED. $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
Nearby
Beach Hazards Statements in California, 2013Every beach hazards statement in 2013
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.