Alert archive / California / High Wind Watches in 2011
High Wind Watch 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this high wind watch at Nov 28, 2011, 3:09 AM PST for San Mateo County, Santa Clara County, Santa Cruz County, California. It took effect at Nov 30, 2011, 6:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 28, 2011, 3:09 AM PST (11:09 UTC)
- In effect from
- Nov 30, 2011, 6:00 AM PST
- Expired
- Nov 29, 2011, 3:24 AM PST
- In force
- Issued by
- NWS San Francisco Bay Area, CA
Counties San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 14 km from the middle of the area, began a volume at 11:07 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, 11.2 hours before the alert went out and 58 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
- 1750 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
864 WWUS76 KMTR 281109 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 309 AM PST MON NOV 28 2011 ...AREAS OF DENSE FOG IN THE VALLEYS THIS MORNING... ...STRONG WINDS IN THE NORTH AND EAST BAY HILLS STARTING WEDNESDAY... CAZ508-281700- /O.EXA.KMTR.FG.Y.0018.000000T0000Z-111128T1700Z/ SAN FRANCISCO BAY SHORELINE- 309 AM PST MON NOV 28 2011 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST THIS MORNING. * VISIBILITY: LESS THAN 1/4 MILE WITH NEAR ZERO VISIBILITY AT TIMES. * IMPACTS: REDUCED VISIBILITY WILL RESULT IN HAZARDOUS DRIVING CONDITIONS ON THE ROADS AND BRIDGES AROUND SAN FRANCISCO BAY. * TIMING: AS OF 3 AM DENSE FOG WITH VISIBILITY LESS THAN 1/4 MILE IS BEING REPORTED AT MOFFETT FIELD AND OAKLAND AIRPORT. FOG WILL CONTINUE TO DEVELOP AND BECOME MORE WIDESPREAD FOR THE MONDAY MORNING COMMUTE. THE FOG WILL BEGIN TO LIFT AFTER 9 AM THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ CAZ506-510-513-281700- /O.CON.KMTR.FG.Y.0018.000000T0000Z-111128T1700Z/ NORTH BAY INTERIOR VALLEYS-EAST BAY INTERIOR VALLEYS- SANTA CLARA VALLEY...INCLUDING SAN JOSE- 309 AM PST MON NOV 28 2011 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * VISIBILITY: LESS THAN 1/4 MILE WITH NEAR ZERO VISIBILITY AT TIMES. * IMPACTS: REDUCED VISIBILITY WILL RESULT IN HAZARDOUS DRIVING CONDITIONS ACROSS THE INLAND VALLEYS OF THE NORTH AND EAST BAY AS WELL AS THE SANTA CLARA VALLEY FOR THE MONDAY MORNING COMMUTE. * TIMING: AS OF 3 AM MANY AIRPORTS ARE REPORTING SIGNIFICANTLY REDUCED VISIBILITIES. REDUCED VISIBILITIES WILL BECOME MORE WIDESPREAD TOWARDS SUNRISE AND CONTINUE THROUGH 9 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ CAZ507-282300- /O.NEW.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ NORTH BAY MOUNTAINS- 309 AM PST MON NOV 28 2011 ...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT FOR THE NORTH BAY MOUNTAINS... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT FOR THE NORTH BAY MOUNTAINS. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ511-282300- /O.NEW.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ EAST BAY HILLS AND DIABLO RANGE- 309 AM PST MON NOV 28 2011 ...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT FOR THE EAST BAY HILLS... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT FOR THE EAST BAY HILLS. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
5 follow-up statements
728 WWUS76 KMTR 281646 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 846 AM PST MON NOV 28 2011 ...AREAS OF DENSE FOG IN THE VALLEYS THIS MORNING... ...STRONG WINDS IN THE NORTH AND EAST BAY HILLS STARTING WEDNESDAY... CAZ506-508-510-513-281900- /O.EXT.KMTR.FG.Y.0018.000000T0000Z-111128T1900Z/ NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE- EAST BAY INTERIOR VALLEYS-SANTA CLARA VALLEY...INCLUDING SAN JOSE- 846 AM PST MON NOV 28 2011 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PST THIS MORNING... THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 11 AM PST THIS MORNING. * VISIBILITY: LESS THAN 1/4 MILE WITH NEAR ZERO VISIBILITY AT TIMES. * IMPACTS: REDUCED VISIBILITY WILL RESULT IN HAZARDOUS DRIVING CONDITIONS ON THE ROADS AND BRIDGES AROUND SAN FRANCISCO BAY. * TIMING: AS OF 8:30 AM DENSE FOG WITH VISIBILITY LESS THAN 1/4 MILE IS BEING REPORTED AT NUMEROUS LOCATIONS IN THE ADVISORY AREA. THE FOG WILL BEGIN TO LIFT AFTER 11 AM THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ CAZ507-282300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ NORTH BAY MOUNTAINS- 846 AM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ511-282300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ EAST BAY HILLS AND DIABLO RANGE- 846 AM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
722 WWUS76 KMTR 281901 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1101 AM PST MON NOV 28 2011 ...STRONG WINDS IN THE NORTH AND EAST BAY HILLS STARTING WEDNESDAY... CAZ506-508-510-513-282015- /O.CAN.KMTR.FG.Y.0018.000000T0000Z-111128T1900Z/ NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE- EAST BAY INTERIOR VALLEYS-SANTA CLARA VALLEY...INCLUDING SAN JOSE- 1101 AM PST MON NOV 28 2011 ...DENSE FOG ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE DENSE FOG ADVISORY. VISIBILITIES HAVE INCREASED DURING THE PAST HOUR AS THE FOG IS DISSIPATING. $$ CAZ507-282300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ NORTH BAY MOUNTAINS- 1101 AM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ511-282300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ EAST BAY HILLS AND DIABLO RANGE- 1101 AM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
344 WWUS76 KMTR 282137 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 PM PST MON NOV 28 2011 ...STRONG WINDS IN THE NORTH AND EAST BAY HILLS AS WELL AS THE SANTA CRUZ MOUNTAINS STARTING WEDNESDAY... CAZ512-291300- /O.EXB.KMTR.HW.A.0002.111130T1800Z-111201T1200Z/ SANTA CRUZ MOUNTAINS- 137 PM PST MON NOV 28 2011 ...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP MID MORNING WEDNESDAY AND THEN INCREASE IN SPEED WEDNESDAY AFTERNOON. STRONG WINDS WILL CONTINUE THROUGH LATE WEDNESDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ507-291300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ NORTH BAY MOUNTAINS- 137 PM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ511-291300- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ EAST BAY HILLS AND DIABLO RANGE- 137 PM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT. * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ STROBIN
443 WWUS76 KMTR 290555 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 955 PM PST MON NOV 28 2011 ...STRONG WINDS IN THE NORTH AND EAST BAY HILLS AS WELL AS THE SANTA CRUZ MOUNTAINS STARTING WEDNESDAY... CAZ506-510-291400- /O.NEW.KMTR.FG.Y.0019.111129T0555Z-111129T1700Z/ NORTH BAY INTERIOR VALLEYS-EAST BAY INTERIOR VALLEYS- 955 PM PST MON NOV 28 2011 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST TUESDAY FOR THE NORTH AND EAST BAY VALLEYS... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST TUESDAY. * VISIBILITY: A QUARTER MILE OR LESS AT TIMES. * IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES INCLUDING DURING THE MORNING COMMUTE. MOTORISTS SHOULD ALLOW FOR EXTRA TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ CAZ507-291400- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ NORTH BAY MOUNTAINS- 955 PM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ511-291400- /O.CON.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ EAST BAY HILLS AND DIABLO RANGE- 955 PM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... * TIMING: STRONG WINDS MAY DEVELOP JUST AFTER SUNRISE WEDNESDAY MORNING AND THEN INCREASE IN SPEED BY WEDNESDAY NIGHT. STRONG WINDS WILL CONTINUE THROUGH THURSDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT AND PROLONGED WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CAZ512-291400- /O.CON.KMTR.HW.A.0002.111130T1800Z-111201T1200Z/ SANTA CRUZ MOUNTAINS- 955 PM PST MON NOV 28 2011 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * TIMING: STRONG WINDS MAY DEVELOP MID MORNING WEDNESDAY AND THEN INCREASE IN SPEED WEDNESDAY AFTERNOON. STRONG WINDS WILL CONTINUE THROUGH LATE WEDNESDAY NIGHT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: EARLY INDICATIONS SHOW THE POTENTIAL FOR A SIGNIFICANT WIND STORM. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
675 WWUS76 KMTR 291124 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 324 AM PST TUE NOV 29 2011 ...DENSE FOG THIS MORNING IN THE VALLEYS... ...STRONG WINDS DEVELOP WEDNESDAY WITH HIGH WIND WARNINGS IN THE HILLS AND WIND ADVISORIES FOR THE LOWER ELEVATIONS OF THE BAY AREA... CAZ507-291700- /O.UPG.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ /O.NEW.KMTR.HW.W.0002.111130T1400Z-111202T0000Z/ NORTH BAY MOUNTAINS- 324 AM PST TUE NOV 29 2011 ...HIGH WIND WARNING IN EFFECT FROM 6 AM WEDNESDAY TO 4 PM PST THURSDAY FOR THE NORTH BAY HILLS ABOVE 1000 FEET... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO 4 PM PST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: A POTENTIALLY DAMAGING AND PROLONGED WIND STORM WILL BEGIN EARLY WEDNESDAY MORNING. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ CAZ511-291700- /O.UPG.KMTR.HW.A.0002.111130T1400Z-111202T1400Z/ /O.NEW.KMTR.HW.W.0002.111130T1400Z-111202T0000Z/ EAST BAY HILLS AND DIABLO RANGE- 324 AM PST TUE NOV 29 2011 ...HIGH WIND WARNING IN EFFECT FROM 6 AM WEDNESDAY TO 4 PM PST THURSDAY FOR THE EAST BAY HILLS ABOVE 1000 FEET... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO 4 PM PST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 55 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1000 FEET. * IMPACTS: A POTENTIALLY DAMAGING AND PROLONGED WIND STORM WILL BEGIN EARLY WEDNESDAY MORNING. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ CAZ512-291700- /O.UPG.KMTR.HW.A.0002.111130T1800Z-111201T1200Z/ /O.NEW.KMTR.HW.W.0002.111130T1400Z-111201T1400Z/ SANTA CRUZ MOUNTAINS- 324 AM PST TUE NOV 29 2011 ...HIGH WIND WARNING IN EFFECT FROM 6 AM WEDNESDAY TO 6 AM PST THURSDAY FOR THE SANTA CRUZ MOUNTAINS ABOVE 1000 FEET... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO 6 AM PST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS: NORTH TO NORTHEAST WINDS FROM 20 TO 40 MPH WITH FREQUENT WIND GUSTS IN EXCESS OF 50 MPH. LOCAL WIND GUSTS AS HIGH AS 70 MPH WILL BE POSSIBLE IN THE HILLS ABOVE 1500 FEET. * IMPACTS: A POTENTIALLY DAMAGING AND PROLONGED WIND STORM WILL BEGIN EARLY WEDNESDAY MORNING. DOWNED TREES AND BRANCHES MAY CAUSE POWER OUTAGES. ANY LOOSE OBJECTS NOT TIED DOWN WILL BLOW AROUND. HIGH PROFILE VEHICLES WILL BE PRONE TO THE STRONG AND GUSTY WINDS. ANY STRUCTURE OR WILDFIRES COULD BE UNUSUALLY DIFFICULT TO SUPPRESS DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ CAZ006-508-291700- /O.NEW.KMTR.WI.Y.0006.111130T1500Z-111202T0200Z/ /O.EXA.KMTR.FG.Y.0019.000000T0000Z-111129T1700Z/ SAN FRANCISCO-SAN FRANCISCO BAY SHORELINE- 324 AM PST TUE NOV 29 2011 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST THIS MORNING. A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY. * VISIBILITY: A QUARTER MILE OR LESS AT TIMES THROUGH 9 AM. * IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES INCLUDING DURING THE MORNING COMMUTE. MOTORISTS SHOULD ALLOW FOR EXTRA TIME. * WIND: GUSTY NORTHEAST WINDS WILL DEVELOP EARLY WEDNESDAY MORNING. SUSTAINED WINDS UP TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH WILL BE POSSIBLE MUCH OF WEDNESDAY THROUGH THURSDAY. POWER OUTAGES...BLOWING DEBRIS AND DIFFICULT DRIVING CONDITIONS WILL LIKELY DEVELOP ACROSS THE BAY AREA DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH GUSTS TO 45 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ506-510-291700- /O.NEW.KMTR.WI.Y.0006.111130T1500Z-111202T0200Z/ /O.CON.KMTR.FG.Y.0019.000000T0000Z-111129T1700Z/ NORTH BAY INTERIOR VALLEYS-EAST BAY INTERIOR VALLEYS- 324 AM PST TUE NOV 29 2011 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * VISIBILITY: A QUARTER MILE OR LESS AT TIMES. * IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES INCLUDING DURING THE MORNING COMMUTE. MOTORISTS SHOULD ALLOW FOR EXTRA TIME. * WIND: GUSTY NORTHEAST WINDS WILL DEVELOP EARLY WEDNESDAY MORNING. SUSTAINED WINDS UP TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH WILL BE POSSIBLE MUCH OF WEDNESDAY THROUGH THURSDAY. POWER OUTAGES...BLOWING DEBRIS AND DIFFICULT DRIVING CONDITIONS WILL LIKELY DEVELOP ACROSS THE BAY AREA DUE TO THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH GUSTS TO 45 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ505-509-291700- /O.NEW.KMTR.WI.Y.0006.111130T1500Z-111202T0200Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST- 324 AM PST TUE NOV 29 2011 ...WIND ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM WEDNESDAY TO 6 PM PST THURSDAY. * TIMING: STRONG WINDS WILL DEVELOP SHORTLY AFTER SUNRISE WEDNESDAY MORNING AND CONTINUE THROUGH THURSDAY. * WINDS: SUSTAINED NORTHEAST WINDS FROM 20 TO 35 MPH WITH FREQUENT GUSTS 45 TO 55 MPH POSSIBLE AS STRONG WINDS BLOW THROUGH PASSES AND CANYONS OF THE COASTAL RANGE AND TOWARDS THE COASTLINE. * IMPACTS: HIGHWAY 1 WILL EXPERIENCE STRONG AND GUSTY WINDS WITH DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. POWER OUTAGES FROM DOWNED TREES AND BRANCHES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ513-291700- /O.EXA.KMTR.FG.Y.0019.000000T0000Z-111129T1700Z/ SANTA CLARA VALLEY...INCLUDING SAN JOSE- 324 AM PST TUE NOV 29 2011 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST THIS MORNING. * VISIBILITY: A QUARTER MILE OR LESS AT TIMES. * IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES INCLUDING DURING THE MORNING COMMUTE. MOTORISTS SHOULD ALLOW FOR EXTRA TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this high wind watch went out at Nov 27, 9:42 PM PST, 5 hours 27 minutes earlier.
Area forecast discussion, Nov 27, 9:42 PM PST, 5 hours 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
942 PM PST SUN NOV 27 2011
.DISCUSSION...AS OF 8:30 PM PST SUNDAY...CURRENTLY THE IR
SATELLITE IMAGE IS SHOWING A MIX OF HIGH AND LOW CLOUDS OVER THE
FORECAST AREA. NUMEROUS OBSERVATIONS OF FOG HAVE BEEN REPORTED
THIS EVENING...ESPECIALLY IN THE EAST BAY. AT THIS HOUR CONCORD IS
REPORTING VIS TO 1/8 OF A MILE WHICH IS A DANGEROUS CONDITION TO
DRIVE OR NAVIGATE IN. DEW POINTS AROUND THE FORECAST AREA ARE
HOVERING AROUND 49 DEGREES FAHRENHEIT WITH TEMPERATURES IN THE
UPPER 40S TO LOW 50S. LIGHT TO CALM WINDS ARE ALSO BEING REPORTED
UNDER A RIDGE OF HIGH PRESSURE. THESE CONDITIONS...CALM WINDS AND
SMALL DEW POINT DEPRESSIONS...LEND TOWARDS THE DEVELOPMENT OF
DENSE FOG. THEREFORE...HAVE ISSUED A DENSE FOG ADVISORY FOR THE
NORTH AND EAST BAY VALLEYS AS WELL AS THE SANTA CLARA VALLEY FOR
THE REMAINDER OF THIS EVENING INTO MONDAY MORNING. SOME AREAS SUCH
AS THE SANTA CLARA VALLEY MAY NOT SEE WIDESPREAD DENSE FOG UNTIL
SHORTLY BEFORE SUNRISE. BUT MOTORISTS SHOULD BE AWARE THAT THESE
CONDITIONS MAY DEVELOP AT ANYTIME AND SHOULD BE PREPARED TO ACT
ACCORDINGLY. IT IS STRONGLY ADVISED TO GIVE YOURSELF A LITTLE
EXTRA TIME FOR YOUR MORNING COMMUTE IF YOU ARE TRAVEL THROUGH
THESE AREAS.
ADDITIONALLY DENSE FOG IS ALSO EXPECTED TO DEVELOP IN THE SAN
FRANCISCO BAY. THIS DENSE FOG WILL REDUCE VISIBILITY TO 1/2 OF A
MILE OR LESS.
PREVIOUS DISCUSSION...AN UPPER LOW WILL DIVE INTO WA STATE
TUESDAY NIGHT...THEN THROUGH THE GREAT BASIN AND INTO SOUTHEAST
CALIFORNIA. AT THE SAME TIME...AN UPPER RIDGE WILL BUILD STRONGLY
ALONG 135W...INTO THE SOUTHERN PORTIONS OF THE GULF OF ALASKA.
THIS WILL RESULT IN A STRONG OFFSHORE FLOW WITH A DRY BOUNDARY
LAYER...SO NO FOG. HOWEVER...THE BIG CHANGE WILL BE THE STRONG AND
GUSTY NE WINDS...ESPECIALLY IN THE NORTH AND EAST BAY HILLS AND
POSSIBLY THE SANTA CRUZ MOUNTAINS WED NIGHT AND THURSDAY AND
POSSIBLY THURSDAY NIGHT AS WELL. THE GFS IS INDC STRONG COLD AIR
ADVECTION SO THE WINDS COULD POSSIBLY MIX DOWN INTO THE VALLEYS AS
WELL. THIS WILL NEED TO BE MONITORED.
THE RIDGE ALONG 135W WILL BE THE CONTROLLING FACTOR FOR THE
DISTRICTS WEATHER THROUGH THE END OF THE WEEK AND NEXT WEEKEND AS
WELL. DRY WEATHER AND MILD TEMPS ARE EXPECTED...WITH NO RAIN FOR
THE NEXT SEVEN DAYS AT LEAST.
&&
.AVIATION...AS OF 9:40 PM PST SUNDAY...FORECAST CONTINUES TO HINGE ON
PERSISTENCE TONIGHT AND MONDAY. THE AIRMASS IS STABLE AND CONDUCIVE
TO EITHER VERY LOW CLOUD BASED CEILINGS OR FOG.
VICINITY OF KSFO...MVFR DUE TO VISIBILITIES THROUGH THE EVENING.
CONDITIONS WILL LIKELY GO TO IFR BY 14Z MONDAY MORNING. VFR WILL
LIKELY RETURN BY MONDAY AFTERNOON.
KSFO BRIDGE APPROACH...SIMILAR CONDITIONS TO KSFO.
MONTEREY BAY AREA TERMINALS...MODERATE CONFIDENCE VFR CONDITIONS
EXTENDS INTO THE NIGHT. LIGHT WINDS.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
.TNGT...DENSE FOG ADVISORY....NORTH AND EAST BAY VALLEYS AND THE
SANTA CLARA VALLEY.
MARINE FOG ADVISORY...SF BAY FROM MIDNIGHT
&&
PUBLIC FORECAST: LARRY/STROBIN
AVIATION/MARINE: CANEPAHazardous weather outlook, Nov 27, 7:54 PM PST, 7 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 754 PM PST SUN NOV 27 2011 CAZ506-510-513-290400- NORTH BAY INTERIOR VALLEYS-EAST BAY INTERIOR VALLEYS- SANTA CLARA VALLEY...INCLUDING SAN JOSE- 754 PM PST SUN NOV 27 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SAN FRANCISCO BAY AREA AND MONTEREY BAY AREA. .DAY ONE...SUNDAY NIGHT DENSE FOG HAS DEVELOPED IN SOME EAST BAY AREAS THIS EVENING. THE DENSE FOG IS REDUCING VISIBILITY TO 1/4 MILE AND LESS. REDUCED VISIBILITIES WILL BECOME MORE WIDESPREAD OVERNIGHT WITH THE SANTA CLARA VALLEY SEEING DENSE FOG BY SUN RISE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES. CAZ507-511-512-290400- NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 754 PM PST SUN NOV 27 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SAN FRANCISCO BAY AREA AND MONTEREY BAY AREA. .DAY ONE...SUNDAY NIGHT LOCALLY DENSE FOG WILL BE POSSIBLE ALONG THE LOWER ELEVATIONS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY STRONG AND GUSTY NORTH TO NORTHEAST WINDS ARE FORECAST TO DEVELOP ON WEDNESDAY AND CONTINUE INTO THURSDAY. STRONGEST WINDS WILL BE AT ELEVATIONS ABOVE 1000 FEET IN THE SAN FRANCISCO BAY AREA. WIND SPEEDS WILL LIKELY BE HIGHEST ON WEDNESDAY NIGHT WHEN GUSTS TO 50 MPH OR HIGHER ARE POSSIBLE. STRONG WINDS COULD TOPPLE TREES AND LEAD TO POWER OUTAGES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES. LARRY
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 7:19 PM PST | Dense Fog Advisory | MTR | Alameda, Contra Costa, Marin, Napa, San Mateo, Santa Clara and 1 more | 16 hr |
| Nov 27, 7:35 PM PST | Marine Dense Fog Advisory | MTR | 15 hr | |
| Nov 28, 2:53 AM PST | Small Craft Advisory | MTR | 4 days | |
| Nov 28, 2:29 PM PST | Small Craft Advisory | MTR | 42 hr |
Nearby
High Wind Watches in California, 2011Every high wind watch in 2011
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.