Alert archive / California / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 9, NWS Los Angeles, CA
NWS Los Angeles, CA issued this severe thunderstorm warning at Feb 6, 1998, 9:15 AM PST for San Luis Obispo County, Santa Barbara County, California. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 6, 1998, 9:15 AM PST (17:15 UTC)
- Expired
- Feb 6, 1998, 10:15 AM PST
- In force
- 60 min
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
Counties San Luis Obispo County, CA, Santa Barbara County, CA
The radar
The Vandenberg AFB radar (KVBX), 20 km from the middle of the area, began a volume at 17:19 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 12:00Z, 5.3 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
- 675 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 424 m²/s²
- 0-3 km storm-relative helicity
- 611 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
688 WUUS1 KLAX 061716 RRA SVRLAX CAC083-079-061015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OXNARD CA 915 AM PST FRI FEB 6 1998 THE NATIONAL WEATHER SERVICE IN OXNARD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM PST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CALIFORNIA ...WESTERN SANTA BARBARA COUNTY AND ADJACENT COASTAL WATERS. IN WEST CENTRAL CALIFORNIA ...SAN LUIS OBISPO COUNTY AND ADJACENT COASTAL WATERS. AT 915 AM DOPPLER RADAR INDICATES A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM PASO ROBLES SOUTH THROUGH SAN LUIS OBISPO AND CONTINUING SOUTH ALONG THE WESTERN SANTA BARBARA COAST. THE LINE OF SEVERE THUNDERSTORMS WAS MOVING NORTHEST AT 30 MPH. TOWNS IN THE PATH OF THESE STORMS INCLUDE CRESTON...ARROYO GRANDE... BETTERAVIA...SANTA MARIA...LOS ALAMOS. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...WIND GUSTS TO 65 MPH AND SMALL HAIL. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. RORKE/TM
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Feb 6, 5:20 AM PST, 3 hours 55 minutes before
CAZ034>041-044>047-051>054-059-061420-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
520 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL
1200 PM FOR THE FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY MOUNTAINS...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...
...A HEAVY SURF ADVISORY IS IN EFFECT UNTIL SATURDAY
FROM POINT PIEDRAS BLANCAS SOUTHWARD TO THE MEXICAN BORDER...Special weather statement, Feb 6, 5:20 AM PST, 3 hours 55 minutes before
CAZ034>041-044>047-051>054-059-061420-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
520 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL
1200 PM FOR THE FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY MOUNTAINS...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...
...A HEAVY SURF ADVISORY IS IN EFFECT UNTIL SATURDAY
FROM POINT PIEDRAS BLANCAS SOUTHWARD TO THE MEXICAN BORDER...Special weather statement, Feb 6, 6:45 AM PST, 2 hours 30 minutes before
CAZ034>041-044>047-051>054-059-061545-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
645 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL
NOON FOR THE FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY MOUNTAINS...
SANTA BARBARA COUNTY SOUTH COAST
CUYAMA VALLEY...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A HEAVY SURF ADVISORY IS IN EFFECT UNTIL SATURDAY
FROM POINT PIEDRAS BLANCAS SOUTHWARD TO THE MEXICAN BORDER...
...A MARINE WEATHER STATEMENT IS IN EFFECT UNTIL 1000 AM
VERY STRONG WINDS WILL BUFFET THE COASTAL WATERS TODAY...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...Special weather statement, Feb 6, 6:45 AM PST, 2 hours 30 minutes before
CAZ034>041-044>047-051>054-059-061545-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
645 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL
NOON FOR THE FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY MOUNTAINS...
SANTA BARBARA COUNTY SOUTH COAST
CUYAMA VALLEY...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A HEAVY SURF ADVISORY IS IN EFFECT UNTIL SATURDAY
FROM POINT PIEDRAS BLANCAS SOUTHWARD TO THE MEXICAN BORDER...
...A MARINE WEATHER STATEMENT IS IN EFFECT UNTIL 1000 AM
VERY STRONG WINDS WILL BUFFET THE COASTAL WATERS TODAY...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...Special weather statement, Feb 6, 7:25 AM PST, 1 hour 50 minutes before
CAZ034>041-044>047-051>054-059-061625-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
725 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL NOON
FOR THE FOLLOWING LOCATION:
VENTURA COUNTY
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY...
...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE
FOLLOWING LOCATIONS:
ALL OF VENTURA COUNTY
LOS ANGELES COUNTY COAST BELOW SANTA MONICA MOUNTAINS
SANTA MONICA MOUNTAINS RECREATIONAL AREA
ALL OF SANTA BARBARA COUNTY...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...
...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 800 AM FOR THE
FOLLOWING LOCATIONS:
EAST SANTA BARBARA CHANNEL
INNER WATERS POINT MUGU TO SAN MATEO POINT
OUTER WATERS SANTA CRUZ ISL TO MEXICAN BORDER...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...Special weather statement, Feb 6, 7:25 AM PST, 1 hour 50 minutes before
CAZ034>041-044>047-051>054-059-061625-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
725 AM PST FRI FEB 6 1998
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORY
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...A URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL NOON
FOR THE FOLLOWING LOCATION:
VENTURA COUNTY
SAN LUIS OBISPO COUNTY
SANTA BARBARA COUNTY...
...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE
FOLLOWING LOCATIONS:
ALL OF VENTURA COUNTY
LOS ANGELES COUNTY COAST BELOW SANTA MONICA MOUNTAINS
SANTA MONICA MOUNTAINS RECREATIONAL AREA
ALL OF SANTA BARBARA COUNTY...
...A FLOOD WATCH IS IN EFFECT UNTIL 130 AM SATURDAY FOR THE
FOLLOWING LOCATIONS:
THE SANTA MARIA RIVER AND THE SANTA YNEZ RIVER IN
SANTA BARBARA COUNTY...
...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 800 AM FOR THE
FOLLOWING LOCATIONS:
EAST SANTA BARBARA CHANNEL
INNER WATERS POINT MUGU TO SAN MATEO POINT
OUTER WATERS SANTA CRUZ ISL TO MEXICAN BORDER...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 AM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY CENTRAL COAST
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS
CUYAMA VALLEY
SANTA BARBARA COUNTY CENTRAL COAST
SANTA YNEZ VALLEY
SANTA BARBARA COUNTY SOUTH COAST...
...A HIGH WIND WARNING IS IN EFFECT UNTIL 300 PM FOR THE
FOLLOWING LOCATIONS:
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...
...A WIND ADVISORY IS IN EFFECT UNTIL 300 PM FOR THE FOLLOWING
LOCATIONS:
VENTURA COUNTY COAST
VENTURA COUNTY COASTAL VALLEYS
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES
LOS ANGELES COUNTY VALLEY
SANTA MONICA MOUNTAINS RECREATIONAL AREA...
...A WINTER STORM WARNING IS IN EFFECT UNTIL 9 PM FOR THE
FOLLOWING LOCATIONS:
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE...The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 7:57 AM PST | Flash Flood Warning | LOX | Santa Barbara | 63 min |
| Feb 6, 7:57 AM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 63 min |
| Feb 6, 8:35 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 70 min |
| Feb 6, 8:35 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles, Ventura | 70 min |
| Feb 6, 8:55 AM PST | Flash Flood Warning | LOX | Santa Barbara | 65 min |
| Feb 6, 9:10 AM PST | Flash Flood Warning | LOX | Ventura | 95 min |
| Feb 6, 9:10 AM PST | Severe Thunderstorm Warning | LOX | Ventura | 95 min |
| Feb 6, 9:25 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 65 min |
| Feb 6, 9:25 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles, Ventura | 65 min |
| Feb 6, 9:55 AM PST | Flash Flood Warning | LOX | Los Angeles | 110 min |
| Feb 6, 10:30 AM PST | Flash Flood Warning | LOX | Los Angeles, Santa Barbara, Ventura | 90 min |
| Feb 6, 12:00 PM PST | Flash Flood Warning | LOX | Santa Barbara | 60 min |
Nearby
Severe Thunderstorm Warnings in California, 1998Every severe thunderstorm warning in 1998
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.