Alert archive / California / Beach Hazards Statements in 2015
Beach Hazards Statement 5, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Jul 29, 2015, 6:25 AM PDT for Marin County, Santa Cruz County, Sonoma County, California. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2015, 6:25 AM PDT (13:25 UTC)
- Expired
- Jul 29, 2015, 9:00 PM PDT
- In force
- 15 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Marin County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 98 km from the middle of the area, began a volume at 13:24 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, 1.4 hours before the alert went out and 35 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
- 2705 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
200 WHUS46 KMTR 291325 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 625 AM PDT WED JUL 29 2015 ...INCREASED RISK OF HAZARDOUS BEACH CONDITIONS ALONG SOUTH FACING BEACHES... .A LONG PERIOD SOUTHWESTERLY SWELL IS BRINGING AN INCREASED RISK OF RIP CURRENTS AND LARGE SHORE BREAK ALONG THE SOUTH FACING BEACHES OF MARIN AND SANTA CRUZ COUNTIES TODAY. CAZ505-529-300400- /O.NEW.KMTR.BH.S.0005.150729T1325Z-150730T0400Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTHERN MONTEREY BAY- 625 AM PDT WED JUL 29 2015 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... * LOCATION...COASTAL SECTIONS OF MARIN AND SANTA CRUZ COUNTIES. IN PARTICULAR SOUTHWEST FACING BEACHES...INCLUDING BUT NOT LIMITED TO...STINSON BEACH...SANTA CRUZ BOARDWALK BEACH AND TWIN LAKES BEACH. * TIMING...THROUGH 9 PM THIS EVENING. * IMPACTS...EXCEPTIONALLY STRONG RIP CURRENTS AND LARGE SHORE BREAK. 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. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
1 follow-up statement
452 WHUS46 KMTR 300400 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 900 PM PDT WED JUL 29 2015 CAZ505-529-300500- /O.EXP.KMTR.BH.S.0005.000000T0000Z-150730T0400Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTHERN MONTEREY BAY- 900 PM PDT WED JUL 29 2015 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 PM PDT THIS EVENING... A LONG PERIOD SOUTHWESTERLY SWELL WILL CONTINUE TO IMPACT SOUTH FACING BEACHES THROUGH THURSDAY HOWEVER THE PERIODS WILL GRADUALLY BECOME SHORTER OVERNIGHT RESULTING IN A DECREASED RISK OF RIP CURRENTS. $$ 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 |
|---|---|---|---|---|
| Jul 29, 2:16 AM PDT | Small Craft Advisory | MTR | 19 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.