Alert archive / California / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 9, NWS Los Angeles, CA
NWS Los Angeles, CA issued this severe thunderstorm warning at Dec 6, 1997, 2:18 AM PST for Santa Barbara County, California. It was in force for 57 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
- Dec 6, 1997, 2:18 AM PST (10:18 UTC)
- Expired
- Dec 6, 1997, 3:15 AM PST
- In force
- 57 min
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
County Santa Barbara County, CA
The nearest sounding before it
Vandenberg AFB, CA (KVBG), launched 00:00Z, 10.3 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
- 18 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLAX 061023
SVRLAX
CAC083-061115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OXNARD CA
218 AM PST SAT DEC 6 1997
...A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 AM
HAS BEEN ISSUED FOR THE FOLLOWING LOCATIONS:
CENTRAL SANTA BARBARA COUNTY...
...BETWEEN THE CITY OF SANTA YNEZ AND LAKE CACHUMA...
AT 215 AM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
ABOUT 10 MILES SOUTHEAST OF SANTA YNEZ...OVER THE SANTA YNEZ
MOUNTAINS. THE SEVERE THUNDERSTORM WAS MOVING TO THE NORTH AT
20 MILES PER HOUR...AND WILL AFFECT AN AREA BETWEEN SANTA
YNEZ AND LAKE CACHUMA...INCLUDING HIGHWAY 154.
THIS SEVERE THUNDERSTORM IS EXPECTED TO PRODUCE DAMAGING WINDS
IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
RAINFALL RATES AS HIGH AS ONE INCH PER HOUR CAN BE EXPECTED
WITH THIS THUNDERSTORM COMPLEX OVER THE WARNING AREA. ROADWAYS
MAY FLOOD QUICKLY...MOTORISTS SHOULD NOT CROSS FLOODED ROADS.
GOMBERGWhat 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, Dec 5, 9:21 PM PST, 4 hours 57 minutes before
CAZ034>041-044>047-051>054-059-060700-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
900 PM PST FRI DEC 5 1997
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORIES
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...AN URBAN AND SMALL STREAM FLOOD ADVISORY CONTINUES UNTIL 3 AM
SATURDAY FOR:
THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY
ALL OF VENTURA COUNTY
ALL OF LOS ANGELES COUNTY...
...A FLASH FLOOD WATCH CONTINUES UNTIL 6 AM SATURDAY FOR:
THE SOUTH COAST AND THE MOUNTAINS OF SANTA BARBARA COUNTY
THE SANTA MONICA MOUNTAINS AND THE WESTERN PORTION OF THE
LOS ANGELES COUNTY COAST...INCLUDING THE CITY OF MALIBU
THE MOUNTAINS OF VENTURA COUNTY AND LOS ANGELES COUNTY
...A WIND ADVISORY CONTINUES UNTIL NOON SATURDAY
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 HEAVY SURF ADVISORY CONTINUES THROUGH SATURDAY NIGHT FOR:
SOUTHERN CALIFORNIA COAST FROM PIEDRAS BLANCAS SOUTHWARD TO
THE MEXICAN BORDERSpecial weather statement, Dec 5, 9:58 PM PST, 4 hours 20 minutes before
CAZ034>041-044>047-051>054-059-061200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
1000 PM PST FRI DEC 5 1997
HERE ARE SOME RAINFALL TOTALS SINCE 4 PM...AND FOR THE ENTIRE STORM
SO FAR...
SINCE 4 P.M. STORM SO FAR
(INCHES) (INCHES)
...SAN LUIS OBISPO COUNTY...
SAN LUIS OBISPO.......................0.12.............1.92
SANTA MARGARITA.......................0.04.............2.68
...SANTA BARBARA COUNTY...
SANTA MARIA...........................0.01.............1.19
LOMPOC................................TRACE............1.65
GIBRALTAR DAM.........................2.32.............6.10
OLD MAN MOUNTAINS.....................3.03.............7.17
SANTA BARBARA FLOOD CONTROL...........1.42.............3.74
...VENTURA COUNTY...
CHORRO GRANDE (MOUNTAINS).............2.91.............7.09
VENTURA (GOVERNMENT CENTER)...........1.73.............3.46
OXNARD................................1.65.............3.52
MOORPARK COLLEGE......................1.34.............2.48
CIRCLE X RANCH (ABOVE NEWBURY PARK)...1.18.............2.28
...LOS ANGELES COUNTY...
WOODLAND HILLS........................1.52.............2.56
BIG ROCK MESA (ABOVE MALIBU)..........0.87.............1.81
SEPULVEDA DAM.........................1.13.............1.69
OPIDS CAMP (NEAR MOUNT WILSON)........0.95.............1.32
CIVIC CENT4ER..........................0.32.............0.32
L.A.X.................................0.47.............0.69
BRUNO/DANIELSON/RORKESpecial weather statement, Dec 5, 10:53 PM PST, 3 hours 25 minutes before
CAZ034>041-044>047-051>054-059-060700-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
1100 PM PST FRI DEC 5 1997
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORIES
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...AN URBAN AND SMALL STREAM FLOOD ADVISORY CONTINUES UNTIL 3 AM
SATURDAY FOR:
THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY
ALL OF VENTURA COUNTY
ALL OF LOS ANGELES COUNTY...
...A FLASH FLOOD WATCH CONTINUES UNTIL 6 AM SATURDAY FOR:
THE SOUTH COAST AND THE MOUNTAINS OF SANTA BARBARA COUNTY
THE SANTA MONICA MOUNTAINS AND THE WESTERN PORTION OF THE
LOS ANGELES COUNTY COAST...INCLUDING THE CITY OF MALIBU
THE MOUNTAINS OF VENTURA COUNTY AND LOS ANGELES COUNTY
...A WIND ADVISORY CONTINUES UNTIL NOON SATURDAY
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 HEAVY SURF ADVISORY CONTINUES THROUGH SATURDAY NIGHT FOR:
SOUTHERN CALIFORNIA COAST FROM PIEDRAS BLANCAS SOUTHWARD TO
THE MEXICAN BORDER
...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 1230 AM SATURDAY FOR:
EAST SANTA BARBARA CHANNEL
INNER WATERS POINT MUGU TO SAN MATEO POINT
bPOINT ARGUELLO TO SANTA CRUZ ISLAND AND OUT 60 NM
OUTER WATERS SANTA CRUZ ISL TO MEXICAN BORDER...Special weather statement, Dec 6, 12:00 AM PST, 2 hours 18 minutes before
CAZ034>041-044>047-051>054-059-060900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
1200 AM PST SAT DEC 6 1997
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORIES
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...AN URBAN AND SMALL STREAM FLOOD ADVISORY CONTINUES UNTIL 3 AM
SATURDAY FOR...
THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY
ALL OF VENTURA COUNTY
ALL OF LOS ANGELES COUNTY
...A FLASH FLOOD WATCH CONTINUES UNTIL 6 AM SATURDAY FOR...
THE SOUTH COAST AND THE MOUNTAINS OF SANTA BARBARA COUNTY
THE SANTA MONICA MOUNTAINS AND THE WESTERN PORTION OF THE
LOS ANGELES COUNTY COAST...INCLUDING THE CITY OF MALIBU
THE MOUNTAINS OF VENTURA COUNTY AND LOS ANGELES COUNTY
...A WIND ADVISORY CONTINUES UNTIL NOON SATURDAY FOR...
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE
...A HEAVY SURF ADVISORY CONTINUES THROUGH SATURDAY NIGHT FOR...
SOUTHERN CALIFORNIA COAST FROM PIEDRAS BLANCAS SOUTHWARD TO
THE MEXICAN BORDER
...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 1230 AM SATURDAY FOR...
EAST SANTA BARBARA CHANNEL
INNER WATERS POINT MUGU TO SAN MATEO POINT
POINT ARGUELLO TO SANpTA CRUZ ISLAND AND OUT 60 NM
OUTER WATERS SANTA CRUZ ISL TO MEXICAN BORDER...Special weather statement, Dec 6, 1:07 AM PST, 1 hour 11 minutes before
CAZ034>041-044>047-051>054-059-061100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
100 AM PST SAT DEC 6 1997
FOLLOWING IS A LIST OF ALL WARNINGS...WATCHES AND ADVISORIES
CURRENTLY IN EFFECT FOR THE FORECAST AREA COVERED BY
THE NATIONAL WEATHER SERVICE IN OXNARD CALIFORNIA
...AN URBAN AND SMALL STREAM FLOOD ADVISORY CONTINUES UNTIL 3 AM
TODAY FOR...
THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY
ALL OF VENTURA COUNTY
ALL OF LOS ANGELES COUNTY
...A FLASH FLOOD WATCH CONTINUES UNTIL 6 AM TODAY FOR...
THE SOUTH COAST AND THE MOUNTAINS OF SANTA BARBARA COUNTY
THE SANTA MONICA MOUNTAINS AND THE WESTERN PORTION OF THE
LOS ANGELES COUNTY COAST...INCLUDING THE CITY OF MALIBU
THE MOUNTAINS OF VENTURA COUNTY AND LOS ANGELES COUNTY
...A WIND ADVISORY CONTINUES UNTIL NOON TODAY FOR...
SAN LUIS OBISPO COUNTY MOUNTAINS
SANTA BARBARA COUNTY MOUNTAINS
VENTURA COUNTY MOUNTAINS
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE
...A HEAVY SURF ADVISORY CONTINUES THROUGH TONIGHT FOR...
SOUTHERN CALIFORNIA COAST FROM PIEDRAS BLANCAS SOUTHWARD TO
THE MEXICAN BORDER
...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 230 AM FOR...
INNER WATERS POINT CONCEPTION TO MEXICAN BORDER
OUTER WATERS SANTA CRUZ ISL TO MEXICAN BORDER...The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 2:18 AM PST | Flash Flood Warning | LOX | Santa Barbara | 57 min |
| Dec 6, 2:30 AM PST | Flash Flood Warning | LOX | Ventura | 60 min |
| Dec 6, 2:30 AM PST | Severe Thunderstorm Warning | LOX | Ventura | 60 min |
| Dec 6, 3:40 AM PST | Flash Flood Warning | LOX | Los Angeles | 65 min |
| Dec 6, 3:40 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 65 min |
Nearby
Severe Thunderstorm Warnings in California, 1997Every severe thunderstorm warning in 1997
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.