Alert archive / California / Tsunami Advisories in 2015
Tsunami Advisory 21, NWS AAQ
NWS AAQ issued this tsunami advisory at Sep 16, 2015, 6:43 PM PDT for Los Angeles County, Orange County, Santa Barbara County, California. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2015, 6:43 PM PDT (01:43 UTC)
- Expired
- Sep 17, 2015, 12:19 PM PDT
- In force
- 18 hr
- Issued by
- NWS AAQ
Counties Los Angeles County, CA, Orange County, CA, Santa Barbara County, CA
The radar
The Los Angeles radar (KVTX), 54 km from the middle of the area, began a volume at 01:45 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
Edwards AFB, CA (KEDW), launched 00:00Z, 1.7 hours before the alert went out and 118 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
- 1989 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WEPA41 PAAQ 170143 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 4 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 643 PM PDT WED SEP 16 2015 CAZ040-041-552-087-549-550-039-034-035-170313- /O.NEW.PAAQ.TS.Y.0021.150917T0143Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 643 PM PDT WED SEP 16 2015 ...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. ESTIMATED TSUNAMI START TIMES FOR SELECTED SITES ARE... NEWPORT BEACH CALIFORNIA 446 AM. PDT. SEPTEMBER 17. LOS ANGELES HARBOR CALIFORNIA 447 AM. PDT. SEPTEMBER 17. SANTA BARBARA CALIFORNIA 506 AM. PDT. SEPTEMBER 17. PORT SAN LUIS CALIFORNIA 510 AM. PDT. SEPTEMBER 17. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
6 follow-up statements
928 WEPA41 PAAQ 171442 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 17 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 742 AM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-171612- /O.CON.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 742 AM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
409 WEPA41 PAAQ 171541 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 18 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 841 AM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-171711- /O.CON.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 841 AM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
354 WEPA41 PAAQ 171638 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 19 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 938 AM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-171808- /O.CON.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 938 AM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
920 WEPA41 PAAQ 171740 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 20 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 1040 AM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-171910- /O.CON.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 1040 AM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
852 WEPA41 PAAQ 171840 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 21 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 1140 AM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-172010- /O.CON.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 1140 AM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING. AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE. THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
714 WEPA41 PAAQ 171919 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 22 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 1219 PM PDT THU SEP 17 2015 CAZ040-041-552-087-549-550-039-034-035-172119- /O.CAN.PAAQ.TS.Y.0021.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/ 1219 PM PDT THU SEP 17 2015 ...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/... A TSUNAMI WAS GENERATED BY THIS EVENT BUT NO LONGER POSES A THREAT TO THESE AREAS. SOME AREAS MAY SEE SMALL SEA LEVEL CHANGES AND ONGOING SURGES.THE DECISION TO RE-OCCUPY HAZARD ZONES MUST BE MADE BY LOCAL AUTHORITIES. THIS WILL BE THE FINAL U.S. NATIONAL TSUNAMI WARNING CENTER MESSAGE FOR THIS REGION. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. $$
Nearby
Tsunami Advisories in California, 2015Every tsunami advisory 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.