Alert archive / California / Wind Advisories in 2017
Wind Advisory 6, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Jan 17, 2017, 9:23 PM PST for Santa Barbara County, California. It took effect at Jan 18, 2017, 12:00 PM PST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Jan 17, 2017, 9:23 PM PST (05:23 UTC)
- In effect from
- Jan 18, 2017, 12:00 PM PST
- Expired
- Jan 19, 2017, 8:38 AM PST
- In force
- 21 hr
- Issued by
- NWS Los Angeles, CA
County Santa Barbara County, CA
The radar
The Vandenberg AFB radar (KVBX), 47 km from the middle of the area, began a volume at 05:29 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
Vandenberg AFB, CA (KVBG), launched 00:00Z, 5.4 hours before the alert went out and 48 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
- 1863 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
165 WWUS76 KLOX 180523 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 923 PM PST TUE JAN 17 2017 ...STRONG WINDS TO DEVELOP AHEAD OF A COLD FRONT WEDNESDAY... .A TIGHT SURFACE PRESSURE GRADIENT WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT. GUSTY SOUTH TO SOUTHWEST WINDS WILL INCREASE ACROSS AREAS NORTH OF POINT CONCEPTION AND THE MOUNTAINS AND DESERT. WITH THE MIX OF SNOW AND WINDS FORECAST IN THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS...A WINTER WINTER ADVISORY WILL BE ISSUED IN PLACE OF A WIND ADVISORY. CAZ059-181200- /O.NEW.KLOX.WI.Y.0006.170118T2000Z-170119T2000Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 923 PM PST TUE JAN 17 2017 ...WIND ADVISORY IN EFFECT FROM NOON WEDNESDAY TO NOON PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY FOR THE ANTELOPE VALLEY. THIS ADVISORY IS IN EFFECT FROM NOON WEDNESDAY TO NOON PST THURSDAY. * WINDS AND TIMING...SOUTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS TO 45 MPH ON WEDNESDAY AFTERNOON AHEAD OF AN APPROACHING COLD FRONT. WINDS WILL CONTINUE THROUGH THURSDAY MORNING. THE STRONGEST WINDS WILL OCCUR IN THE FOOTHILL PORTIONS OF THE ANTELOPE VALLEY. * IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND SAND COULD RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ034>036-181200- /O.NEW.KLOX.WI.Y.0006.170118T2000Z-170119T1600Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ 923 PM PST TUE JAN 17 2017 ...WIND ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 8 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY FOR THE CENTRAL COAST AND SANTA YNEZ VALLEY. THIS ADVISORY IS IN EFFECT FROM NOON WEDNESDAY TO 8 AM PST THURSDAY. * WINDS AND TIMING...WINDS WILL INCREASE AHEAD OF AN APPROACHING COLD FRONT WEDNESDAY. SOUTHEAST TO SOUTH WINDS WILL INCREASE TO 15 TO 30 MPH WITH GUSTS UP TO 45 MPH ON WEDNESDAY AFTERNOON ACROSS THE CENTRAL COAST AND SANTA YNEZ VALLEY. WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT AND INTO EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 1 AND 101...AND STATE ROUTES 154 AND 246. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ051-052-181200- /O.NEW.KLOX.WI.Y.0006.170118T2000Z-170119T1600Z/ SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 923 PM PST TUE JAN 17 2017 ...WIND ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 8 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY FOR THE SAN LUIS OBISPO AND SANTA BARBARA COUNTY MOUNTAINS. THIS ADVISORY IS IN EFFECT FROM NOON WEDNESDAY TO 8 AM PST THURSDAY. * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 20 TO 35 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS WEDNESDAY. WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT AND INTO EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ037-038-181200- /O.NEW.KLOX.WI.Y.0006.170119T0200Z-170119T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 923 PM PST TUE JAN 17 2017 ...WIND ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 8 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY FOR THE SAN LUIS OBISPO AND CUYAMA VALLEYS. THIS ADVISORY IS IN EFFECT FROM 6 PM WEDNESDAY TO 8 AM PST THURSDAY. * WINDS AND TIMING...WINDS WILL INCREASE ACROSS THE CUYAMA AND SAN LUIS OBISPO COUNTY VALLEYS AHEAD OF AN APPROACHING COLD FRONT. SOUTH TO SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH WILL DEVELOP WEDNESDAY EVENING AND CONTINUE INTO EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 101...AND STATE ROUTES 41...46...58...AND 166. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ HALL
6 follow-up statements
955 WWUS76 KLOX 181155 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 355 AM PST WED JAN 18 2017 ...GUSTY SOUTHERLY WINDS TO DEVELOP AHEAD OF A COLD FRONT THIS EVENING... .A TIGHT SURFACE PRESSURE GRADIENT WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT. GUSTY SOUTH TO SOUTHWEST WINDS WILL INCREASE ACROSS AREAS NORTH OF POINT CONCEPTION. WITH THE MIX OF SNOW AND WINDS FORECAST IN THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS...A WINTER WINTER ADVISORY WILL BE ISSUED IN PLACE OF A WIND ADVISORY. CAZ059-181300- /O.CAN.KLOX.WI.Y.0006.170118T2000Z-170119T2000Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 355 AM PST WED JAN 18 2017 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE WIND ADVISORY. WINDS ARE NOT EXPECTED TO REACH WIND ADVISORY THRESHOLDS TODAY. $$ CAZ034>036-182000- /O.EXT.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ 355 AM PST WED JAN 18 2017 ...WIND ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH THIS EVENING WITH GUSTS TO 40 MPH AND PERSIST THROUGH EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 1 AND 101...AND STATE ROUTES 154 AND 246. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ051-052-182000- /O.EXT.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 355 AM PST WED JAN 18 2017 ...WIND ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO BETWEEN 20 TO 35 MPH WITH GUSTS TO BETWEEN 45 AND 55 MPH ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS THIS EVENING AND PERSIST THROUGH EARLY THURSDAY MORNING. STRONGEST WINDS ACROSS THE SANTA BARBARA COUNTY MOUNTAINS. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ037-038-182000- /O.EXT.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 355 AM PST WED JAN 18 2017 ...WIND ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 101...AND STATE ROUTES 41... 46... 58...AND 166. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ DB/CK
254 WWUS76 KLOX 182004 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1204 PM PST WED JAN 18 2017 ...GUSTY SOUTHERLY WINDS TO DEVELOP AHEAD OF A COLD FRONT THIS EVENING... .A TIGHT SURFACE PRESSURE GRADIENT WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT. GUSTY SOUTH TO SOUTHWEST WINDS WILL INCREASE ACROSS AREAS NORTH OF POINT CONCEPTION. CAZ034>036-190600- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ 1204 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH THIS EVENING WITH GUSTS TO 40 MPH AND PERSIST THROUGH EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 1 AND 101...AND STATE ROUTES 154 AND 246. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ051-052-190600- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 1204 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO BETWEEN 20 TO 30 MPH WITH GUSTS TO BETWEEN 40 AND 50 MPH ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS THIS EVENING AND PERSIST THROUGH EARLY THURSDAY MORNING. STRONGEST WINDS ACROSS THE SANTA BARBARA COUNTY MOUNTAINS. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ037-038-190600- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 1204 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 101...AND STATE ROUTES 41... 46... 58...AND 166. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$
439 WWUS76 KLOX 190032 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 432 PM PST WED JAN 18 2017 ...GUSTY SOUTHERLY WINDS TO DEVELOP AHEAD OF A COLD FRONT THIS EVENING... .A TIGHT SURFACE PRESSURE GRADIENT WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT. GUSTY SOUTH TO SOUTHWEST WINDS WILL INCREASE ACROSS AREAS NORTH OF POINT CONCEPTION. CAZ059-190845- /O.EXB.KLOX.WI.Y.0006.170119T0032Z-170119T1800Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 432 PM PST WED JAN 18 2017 ...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY FOR THE ANTELOPE VALLEY. THIS ADVISORY IS IN EFFECT UNTIL 10 AM PST THURSDAY. * WINDS AND TIMING...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT THIS EVENING. WINDS WILL CONTINUE THROUGH THURSDAY MORNING. THE STRONGEST WINDS WILL OCCUR IN THE FOOTHILL PORTIONS OF THE ANTELOPE VALLEY. * IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND SAND COULD RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ034>036-190845- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ 432 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH THIS EVENING WITH GUSTS TO 40 MPH AND PERSIST THROUGH EARLY THURSDAY MORNING. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 1 AND 101...AND STATE ROUTES 154 AND 246. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ051-052-190845- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 432 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO BETWEEN 20 TO 30 MPH WITH GUSTS TO BETWEEN 40 AND 50 MPH ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS THIS EVENING AND PERSIST THROUGH EARLY THURSDAY MORNING. THE STRONGEST WINDS WILL OCCUR ACROSS THE SANTA BARBARA COUNTY MOUNTAINS. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ037-038-190845- /O.CON.KLOX.WI.Y.0006.170119T0300Z-170119T1200Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 432 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. THE STRONGEST WINDS WILL OCCUR ON THE CARRIZO PLAIN. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 101...AND STATE ROUTES 41... 46...58...AND 166. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ HALL
517 WWUS76 KLOX 190541 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 941 PM PST WED JAN 18 2017 ...GUSTY SOUTHERLY WINDS AHEAD OF A COLD FRONT TONIGHT... .A TIGHT SURFACE PRESSURE GRADIENT WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT. GUSTY SOUTH TO SOUTHWEST WINDS WILL INCREASE ACROSS AREAS NORTH OF POINT CONCEPTION. CAZ059-191200- /O.CON.KLOX.WI.Y.0006.000000T0000Z-170119T1800Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 941 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY... * WINDS AND TIMING...PERIODS OF SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH WILL CONTINUE ACROSS THE ANTELOPE VALLEY THROUGH THURSDAY MORNING. LOCAL GUSTS IN EXCESS OF 55 MPH ARE POSSIBLE IN THE FOOTHILL PORTIONS OF THE ANTELOPE VALLEY. * IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND SAND COULD RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ034>036-191200- /O.CON.KLOX.WI.Y.0006.000000T0000Z-170119T1200Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ 941 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTHEAST TO SOUTH WINDS 15 TO 30 MPH WITH GUSTS TO BETWEEN 35 AND 45 MPH WILL PERSIST THROUGH LATE TONIGHT. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 1 AND 101...AND STATE ROUTES 154 AND 246. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ051-052-191200- /O.CON.KLOX.WI.Y.0006.000000T0000Z-170119T1200Z/ SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 941 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO BETWEEN 45 AND 55 MPH ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS WILL PERSIST THROUGH LATE TONIGHT. THE STRONGEST WINDS WILL OCCUR ACROSS THE SANTA BARBARA COUNTY MOUNTAINS. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ CAZ037-038-191200- /O.CON.KLOX.WI.Y.0006.000000T0000Z-170119T1200Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 941 PM PST WED JAN 18 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WINDS AND TIMING...SOUTH TO SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS UP TO 45 MPH WILL CONTINUE THROUGH LATE TONIGHT. THE STRONGEST WINDS WILL OCCUR ON THE CARRIZO PLAIN. * IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR DRIVERS OF HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 101...AND STATE ROUTES 41...46... 58...AND 166. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ HALL
904 WWUS76 KLOX 191144 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 344 AM PST THU JAN 19 2017 ...GUSTY WINDS WILL CONTINUE ACROSS THE ANTELOPE VALLEY THROUGH THE MID MORNING HOURS... CAZ034>038-051-052-191245- /O.CAN.KLOX.WI.Y.0006.000000T0000Z-170119T1200Z/ SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...SAN LUIS OBISPO...PISMO BEACH... MORRO BAY...CAMBRIA...SAN SIMEON...SANTA MARIA...LOMPOC... VANDENBERG...SOLVANG...SANTA YNEZ...PASO ROBLES...ATASCADERO... CUYAMA...BLACK MOUNTAIN...SAN MARCOS PASS... SAN RAFAEL WILDERNESS AREA...DICK SMITH WILDERNESS AREA 344 AM PST THU JAN 19 2017 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DIMINISHED ACROSS MOST AREAS NORTH OF POINT CONCEPTION...EXCEPT FOR LOCAL SOUTHWEST WINDS WITH GUSTS TO AROUND 45 MPH AROUND CALIFORNIA VALLEY HILLS. WINDS SHOULD CONTINUE TO DIMINISH FOR MOST AREAS TO THE NORTH THIS MORNING. $$ CAZ059-191800- /O.CON.KLOX.WI.Y.0006.000000T0000Z-170119T1800Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 344 AM PST THU JAN 19 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WINDS AND TIMING...SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH WILL CONTINUE ACROSS THE ANTELOPE VALLEY THROUGH THIS MORNING. LOCAL GUSTS IN EXCESS OF 55 MPH ARE POSSIBLE IN THE FOOTHILL PORTIONS OF THE ANTELOPE VALLEY...ESPECIALLY AROUND LAKE PALMDALE. * IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS 14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND SAND COULD RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. && $$ KAPLAN
183 WWUS76 KLOX 191638 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 838 AM PST THU JAN 19 2017 CAZ059-191745- /O.CAN.KLOX.WI.Y.0006.000000T0000Z-170119T1800Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 838 AM PST THU JAN 19 2017 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE WIND ADVISORY. WEST WINDS 15 TO 25 MPH WITH LOCAL GUSTS TO 40 MPH ARE POSSIBLE TODAY. STRONGEST IN THE FOOTHILLS. $$
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Los Angeles, CA wrote its last area forecast discussion before this wind advisory went out at Jan 17, 8:36 PM PST, 47 minutes earlier.
Area forecast discussion, Jan 17, 8:36 PM PST, 47 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
836 PM PST Tue Jan 17 2017
.SYNOPSIS...
A series of storms will bring rain and mountain snow, heavy at
times, and strong, gusty southerly winds to southwestern
California through early next week. The first storm will arrive
Wednesday night into Thursday with a chance of thunderstorms. The
second weather system can be expected Thursday night into Friday.
The third storm is expected Sunday and Monday, which should bring
the heaviest precipitation amounts. Temperatures will be below
normal across the area into next week.
&&
.SHORT TERM...(TUE-FRI)
The latest satellite imagery indicates a dirty ridge of high
pressure in place across the region this evening. An upstream
trough near 40N and 140W is poised to move over the area between
late Wednesday through Thursday. High level moisture associated
with this trough is starting to stream over the area this evening.
Models are in good agreement with the trough and the forecast for
widespread rain on Wednesday night and Thursday remains in place
across the area.
Models do indicate the possibility of a weak warm frontal boundary
possibly developing developing rainfall a little sooner on
Wednesday afternoon for the Central Coast and Wednesday evening
south of Point Conception. PoPs have been nudged higher in the
latest forecast update. Warm air advection ahead of the cold
frontal boundary should aid orographic effects with this system,
especially with the strong south to southwesterly flow aloft. Wind
advisories and winter weather advisories are being discussed
currently internally and with surrounding offices. Strong winds will
likely develop across the mountains, desert, and interior portions
of the area. Strong southerly winds could also impact areas north
of Point Conception as early as Wednesday afternoon. A slight
chance of thunderstorms remains in the forecast for late Wednesday
night and Thursday morning. Current rainfall amounts with the
first storm seem reasonable with between 0.50 to 1.00 inch for the
coast and valleys with up to two inches possible along the coastal
slopes of the mountains and adjacent foothills.
*** FROM PREVIOUS DISCUSSION ***
By late Thursday night and early Friday morning the jet will have
shifted into a more perpendicular flow with most of the mountains
and this will result in a stronger and wetter second storm.
Precipitation amounts will be about double those of the first
storm including snowfall amounts. The airmass will be colder and
snow levels will drop to near 3500 feet with flurries possible
down to near 3000 feet. Northwesterly winds will be stronger and
high wind warnings are possible... particularly in the Los Angeles
County mountains. The heaviest precipitation from this storm will
come throughout the day on Friday and transportation passes
through the mountains... including the Grapevine... will likely be
impacted by snow.
Rainfall intensities will both of these storms could be one
quarter to one half inch per hour at times and higher in favored
locations. This would be enhanced further by any thunderstorm
activity. These rates could generate some mud and debris flows
around recent burn areas. Winter Weather Advisories or Winter
Storm Warnings may be needed with this event.
.LONG TERM...(SAT-TUE)
Effects from the second storm will linger into Saturday but
there should be a brief respite from the precipitation and
strongest winds. By early Sunday morning the third storms will
move into the region. This last storm will be a warmer storm coming
more from the west and southwest. Snow levels will therefore be
higher but it will also be the wettest of the three storms and
with the strongest winds. Estimated rainfall amounts of one and a
half to three inches of are possible with this storm and amounts
in favored locations across coastal slopes and foothills could be
as much as five inches. The warmer airmass will raise snow levels
up to near 7500 feet Sunday night so most roadways will avoid
additional snowfall. Strong and potentially damaging south to
southwest winds will help to enhance the rainfall but also will
bring the greater potential for downed trees and power lines.
Rainfall rates could be four tenths of an inch per hour at times
and this would again bring the possibility of mud and debris flow
problems for recent burn areas. There is also the threat of mud
and rock slides along canyon roadways and urban and small stream
flooding due to the higher rainfall intensities.
This last system shows some signs of slowing as compared to
earlier model runs and this could keep the heavier precipitation
falling into midday Monday in Los Angeles County and lingering
precipitation could remain in the area into Tuesday. A colder
airmass drops in behind the front and roadways above 3000 feet
could become slick as residual water on the roadways freeze Monday
night.
Skies should be clear by late Tuesday.
&&
.AVIATION...18/0025Z.
At 00Z, the marine layer depth was around 500 feet deep at KLAX.
The top of the inversion was near 1100 feet with a temperature
around 14 degree Celsius.
Moderate confidence in the current forecast. IFR to MVFR
conditions will spread into most coastal and valley terminals
through 13Z. Conditions should become predominantly MVFR after
13Z. There is a chance that MVFR conditions could linger
throughout the day on Wednesday.
KLAX...MVFR conditions will spread into KLAX between 10Z and 13Z.
There is a 30 percent chance of IFR conditions between 06Z and
10Z. There is a 50 percent chance that MVFR conditions could
linger throughout the day on Wednesday. Any east winds should be
less than 5 knots.
KBUR...IFR to MVFR conditions will spread into KBUR between 10Z
and 13Z. There is a 50 percent chance that MVFR conditions could
linger throughout the day on Wednesday.
&&
.MARINE...17/800 PM.
No SCA level wind gusts expected through Wed morning. The first
of several storms will approach the coast by Wed night. Ahead of
the front, southerly winds will increase through the afternoon
where SCA to near Gale Force level winds will be likely for all
coastal waters north of Pt. Conception. A Gale Watch may
eventually be needed for the northern outer waters for Wed night.
Otherwise, SCA level winds will then spread across the entire
outer waters Wed night. Rain and a slight chance of thunderstorms
will accompany the front. South winds will increase to SCA levels
again late Thursday night into Friday morning along with another
frontal passage, with gale force gusts possible over the northern
waters. Moderate to strong northwest winds will follow behind the
front through Saturday.
For the Inner Waters south of Pt Conception, light winds are
expected through Wednesday afternoon then southerly winds will
increase on Wednesday ahead of a frontal system. There is a 50%
chance that a SCA will be needed for Wednesday night into
Thursday. Slightly stronger southerly winds for Thursday night
into early Friday ahead of another front. Increasing northwest
winds behind the front Friday afternoon into Saturday will likely
reach SCA levels. Slight chance of thunderstorms expected for
Thursday morning.
A large long period swell is expected to arrive Thursday, then a
very large swell is forecast to arrive Friday night into Saturday.
This third swell will be the largest, potentially reaching
heights over 20 feet over the northern outer waters late Friday
night into early Saturday. Breaking waves will become possible
across west facing harbors on Saturday.
&&
.LOX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement in effect from late Wednesday night
through Monday evening for zones 34-35. (See LAXCFWLOX).
Beach Hazards Statement in effect from Thursday morning
through Monday evening for zones 39>41-87. (See LAXCFWLOX).
Beach Hazards Statement in effect until 10 PM PST this
evening for zones 40-41. (See LAXCFWLOX).
PZ...NONE.
&&
.HAZARD POTENTIAL OUTLOOK...(FRI-TUE)
A wet and unsettled weather pattern is likely Wednesday night
through Monday. The heaviest rain during this period will probably
fall on Friday and again later Sunday and Monday. There is a chance
of damaging warning level surf and coastal flooding issues starting
Friday and continuing through Saturday, especially along the
Central Coast.
&&
PUBLIC...Hall/Kj
AVIATION...Hall
MARINE...Sweet/Sirard
SYNOPSIS...Sirard
weather.gov/losangelesThe office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 9:22 PM PST | Winter Weather Advisory | LOX | 17 hr | |
| Jan 18, 3:56 AM PST | Gale Watch | LOX | 23 hr | |
| Jan 18, 3:56 AM PST | Gale Warning | LOX | 23 hr | |
| Jan 18, 3:56 AM PST | Small Craft Advisory | LOX | 47 hr | |
| Jan 18, 3:56 AM PST | Small Craft Advisory | LOX | 54 hr | |
| Jan 18, 2:46 PM PST | Flash Flood Watch | LOX | Los Angeles | 18 hr |
| Jan 18, 2:46 PM PST | Winter Storm Warning | LOX | 60 hr | |
| Jan 18, 3:52 PM PST | High Surf Advisory | LOX | Los Angeles | 7 days |
Nearby
Wind Advisories in California, 2017Every wind advisory in 2017
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.