Alert archive / California / Beach Hazards Statements in 2013
Beach Hazards Statement 6, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Feb 28, 2013, 2:29 AM PST for 6 counties in California. It took effect at Mar 1, 2013, 10:00 AM PST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2013, 2:29 AM PST (10:29 UTC)
- In effect from
- Mar 1, 2013, 10:00 AM PST
- Expired
- Mar 2, 2013, 10:00 PM PST
- In force
- 36 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 10:35 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, 10.5 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
- 2824 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
078 WHUS46 KMTR 281029 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 229 AM PST THU FEB 28 2013 ...LONG PERIOD WESTERLY SWELL EXPECTED TO PUSH INTO THE WATERS FRIDAY... A FAST MOVING LONG PERIOD SWELL WILL ENTER THE COASTAL WATERS BEGINNING LATE FRIDAY MORNING. ALTHOUGH THIS SWELL IS NOT EXPECTED TO BE LARGE IT WILL BE POWERFUL...CAPABLE OF WASHING UNSUSPECTING BEACH GOERS AND FISHERMEN INTO THE SEA. CAZ006-505-509-011030- /O.NEW.KMTR.BH.S.0006.130301T1800Z-130303T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST- 229 AM PST THU FEB 28 2013 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES...WHICH IS IN EFFECT FROM LATE FRIDAY MORNING THROUGH SATURDAY EVENING. * LOCATION...THE NORTHBAY AND SAN FRANCISCO PENINSULA COASTLINE. ESPECIALLY ON STEEP BEACHES. * TIMING...FAST MOVING LONG PERIOD...20 TO 22 SECONDS...WAVES WILL ARRIVE LATE FRIDAY MORNING. THE PERIOD OF THE WAVES IS EXPECTED TO DECREASE TO 18 TO 19 SECONDS BY SATURDAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. 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. && $$ CAZ529-530-011030- /O.NEW.KMTR.BH.S.0006.130302T0000Z-130303T0600Z/ NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 229 AM PST THU FEB 28 2013 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING. * LOCATION...THE SANTA CRUZ AND MONTEREY COASTLINE. ESPECIALLY ON STEEPER BEACHES. * TIMING...FAST MOVING LONG PERIOD...20 TO 22 SECONDS...WAVES WILL ARRIVE FRIDAY AFTERNOON. THE PERIOD OF THE WAVES IS EXPECTED TO DECREASE TO 18 TO 19 SECONDS BY SATURDAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
3 follow-up statements
247 WHUS46 KMTR 011026 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 226 AM PST FRI MAR 1 2013 ...LONG PERIOD WESTERLY SWELL EXPECTED TO PUSH INTO THE WATERS LATER TODAY... A FAST MOVING LONG PERIOD SWELL WILL ENTER THE COASTAL WATERS BEGINNING LATER THIS MORNING. ALTHOUGH THIS SWELL IS NOT EXPECTED TO BE LARGE IT WILL BE POWERFUL...CAPABLE OF WASHING UNSUSPECTING BEACH GOERS AND FISHERMEN INTO THE SEA. CAZ006-505-509-021030- /O.CON.KMTR.BH.S.0006.130301T1800Z-130303T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST- 226 AM PST FRI MAR 1 2013 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES REMAINS IN EFFECT FROM 10 AM PST THIS MORNING THROUGH SATURDAY EVENING... * LOCATION...THE NORTHBAY AND SAN FRANCISCO PENINSULA COASTLINE. ESPECIALLY ON STEEP BEACHES. * TIMING...FAST MOVING LONG PERIOD...20 TO 22 SECONDS...WAVES WILL ARRIVE LATE THIS MORNING. THE PERIOD OF THE WAVES IS EXPECTED TO DECREASE TO 18 TO 19 SECONDS BY SATURDAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. 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. && $$ CAZ529-530-021030- /O.CON.KMTR.BH.S.0006.130302T0000Z-130303T0600Z/ NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 226 AM PST FRI MAR 1 2013 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY EVENING... * LOCATION...THE SANTA CRUZ AND MONTEREY COASTLINE. ESPECIALLY ON STEEPER BEACHES. * TIMING...FAST MOVING LONG PERIOD...20 TO 22 SECONDS...WAVES WILL ARRIVE THIS AFTERNOON. THE PERIOD OF THE WAVES IS EXPECTED TO DECREASE TO 18 TO 19 SECONDS BY SATURDAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
120 WHUS46 KMTR 021020 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 220 AM PST SAT MAR 2 2013 ...LONG PERIOD WESTERLY SWELL WILL CONTINUE TO MOVE THROUGH THE WATERS TODAY... A FAST MOVING LONG PERIOD SWELL WILL CONTINUE TO MOVE THROUGH THE COASTAL WATERS TODAY. ALTHOUGH THIS SWELL IS NOT EXPECTED TO BE LARGE IT WILL BE POWERFUL...CAPABLE OF WASHING UNSUSPECTING BEACH GOERS AND FISHERMEN INTO THE SEA. CAZ006-505-509-030600- /O.CON.KMTR.BH.S.0006.000000T0000Z-130303T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST- 220 AM PST SAT MAR 2 2013 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES REMAINS IN EFFECT THROUGH THIS EVENING... * LOCATION...THE NORTH BAY AND SAN FRANCISCO PENINSULA COASTLINE. ESPECIALLY ON STEEP BEACHES. * TIMING...FAST MOVING LONG PERIOD WAVES WITH A PERIOD OF 18 TO 19 SECONDS WILL CONTINUE TO MOVE THROUGH THE WATERS TODAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. 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. && $$ CAZ529-530-030600- /O.CON.KMTR.BH.S.0006.000000T0000Z-130303T0600Z/ NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 220 AM PST SAT MAR 2 2013 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES REMAINS IN EFFECT THROUGH THIS EVENING... * LOCATION...THE SANTA CRUZ AND MONTEREY COASTLINE. ESPECIALLY ON STEEPER BEACHES. * TIMING...FAST MOVING LONG PERIOD WAVES WITH A PERIOD OF 18 TO 19 SECONDS WILL CONTINUE TO MOVE THROUGH THE WATERS TODAY. * IMPACTS...THESE WAVES WILL BE CAPABLE OF WASHING UNSUSPECTING BEACH GOERS INTO THE SEA. FISHERMEN SHOULD AVOID FISHING FROM ROCK OUTCROPPINGS AND JETTIES...OTHERWISE THEY WILL RUN THE RISK OF BEING WASHED FROM THE ROCKS INTO THE SEA BY A WAVE. PRECAUTIONARY/PREPAREDNESS ACTIONS...A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD AVOID FISHING FROM ROCKS OR JETTIES. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
146 WHUS46 KMTR 030537 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 937 PM PST SAT MAR 2 2013 ...DECREASING WESTERLY SWELL EXPECTED OVER THE WATERS TONIGHT... CAZ006-505-509-030645- /O.EXP.KMTR.BH.S.0006.000000T0000Z-130303T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST- 937 PM PST SAT MAR 2 2013 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PST THIS EVENING... WESTERLY SWELL WILL CONTINUE TO DECREASE OVERNIGHT. $$ CAZ529-530-030645- /O.EXP.KMTR.BH.S.0006.000000T0000Z-130303T0600Z/ NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 937 PM PST SAT MAR 2 2013 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PST THIS EVENING... WESTERLY SWELL WILL CONTINUE TO DECREASE OVERNIGHT. $$ 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.