Alert archive / California / Beach Hazards Statements in 2014
Beach Hazards Statement 18, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Dec 24, 2014, 8:03 AM PST for 6 counties in California. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2014, 8:03 AM PST (16:03 UTC)
- Expired
- Dec 24, 2014, 6:00 PM PST
- In force
- 10 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 16:02 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, 4.1 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
- 893 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
346 WHUS46 KMTR 241603 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 803 AM PST WED DEC 24 2014 ...OCCASIONALLY LARGE SURF EXPECTED TODAY PLEASE USE CAUTION WHEN VISITING BEACHES... .AN APPROACHING STORM IS GENERATING POWERFUL LONG PERIOD SWELL THAT WILL IMPACT REGIONAL BEACHES TODAY. IN ADDITION...THE TIDAL CYCLE WILL REMAIN EXAGGERATED WHICH WILL RESULT IN HIGHER HIGH TIDES. EXPECT UNPREDICTABLE SNEAKER WAVES...RIP CURRENTS...AND LIMITED ACCESS TO NARROW BEACHES AND COVES TODAY. PEOPLE VISITING BEACHES TODAY ARE URGED TO REMAIN VIGILANT OF THEIR SURROUNDINGS. LARGE SNEAKER WAVES CAN APPEAR AT ANY TIME SO DO NOT TURN YOUR BACK TO THE OCEAN IF YOU ARE NEAR THE WATER. CAZ006-505-509-529-530-250200- /O.NEW.KMTR.BH.S.0018.141224T1603Z-141225T0200Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 803 AM PST WED DEC 24 2014 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 6 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES... WHICH IS IN EFFECT UNTIL 6 PM PST THIS EVENING. * LOCATION... COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR STEEP WEST FACING BEACHES...INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND CARMEL RIVER BEACH. * TIMING... NOW THROUGH AN HOUR AFTER SUNSET. * IMPACTS... SNEAKER WAVES. RIP CURRENTS. A POTENTIAL FOR PEOPLE TO LOSE ENTRY AND EXIT TO NARROW BEACHES AND COVES. 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
Nearby
Beach Hazards Statements in California, 2014Every beach hazards statement in 2014
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.