Alert archive / California / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 8, NWS Los Angeles, CA
NWS Los Angeles, CA issued this severe thunderstorm warning at Nov 26, 1997, 9:20 AM PST for Los Angeles County, California. It was in force for 70 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
- Nov 26, 1997, 9:20 AM PST (17:20 UTC)
- Expired
- Nov 26, 1997, 10:30 AM PST
- In force
- 70 min
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
County Los Angeles County, CA
The nearest sounding before it
Edwards AFB, CA (KEDW), launched 12:00Z, 5.3 hours before the alert went out and 89 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
- 2196 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 230 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 261722 RRA
SVRLAX
CAC037-261830-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OXNARD CA
920 AM PST WED NOV 26 1997
...A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED EFFECTIVE
UNTIL 1030 AM FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTHERN CALIFORNIA
...EAST LOS ANGELES COUNTY INCLUDING THE SAN GABRIEL MOUNTAINS
AND ADJACENT SAN GABRIEL VALLEY...
AT 915 AM...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
OVER EASTERN LOS ANGELES COUNTY...AFFECTING THE SAN GABRIEL
MOUNTAINS AND VALLEY. THE LINE OF SEVERE THUNDERSTORMS WAS MOVING
EAST AT AROUND 20 MILES PER HOUR...AND WILL AFFECT THE SAN GABRIEL
MOUNTAINS AND VALLEY THROUGH 1030 AM. THE HEAVIEST PORTION OF THE
LINE OF THUNDERSTORMS WILL BE AFFECTING INTERSTATES 10 AND 210.
AT 9 AM...A WIND GUST OF 77 MILES PER HOUR WAS RECORDED AT
CHILAO IN THE SAN GABRIEL MOUNTAINS...INDICATING THE POTENTIAL
FOR DAMAGING WINDS.
THIS LINE OF SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WIND
GUSTS OVER 58 MILES PER HOUR...TORRENTIAL DOWNPOURS...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS
QUICKLY4 SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Nov 26, 3:55 AM PST, 5 hours 25 minutes before
CAZ026>062-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OXNARD CA 400 AM PST WED NOV 26 1997 ...HOLIDAY OUTLOOK FOR THANKSGIVING DAY THROUGH THE WEEKEND... .COASTS AND VALLEYS... ...THANKSGIVING DAY... SHOWERS ENDING. LOWS IN THE 50S. HIGHS IN THE 60S. ...FRIDAY... PARTLY CLOUDY. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. ...SATURDAY... MOSTLY SUNNY EARLY...THEN INCREASING CLOUDS LATE IN THE DAY. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. ...SUNDAY... A CHANCE OF RAIN. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. .MOUNTAINS... ...THANKSGIVING DAY... SHOWERS DECREASING DURING THE DAY. SNOW LEVELS 4000 FEET NORTH TO 5000 FEET SOUTH. LOWS IN THE 20S TO MID 30S. HIGHS IN THE 30S TO LOWER 40S. ...FRIDAY... PARTLY CLOUDY. LOWS IN THE 20S TO MID 30S. HIGHS IN THE MID 40S TO UPPER 50S. ...SATURDAY... INCREASING CLOUDS. LOWS IN THE 20S TO MID 30S. HIGHS IN THE MID 40S TO UPPER 50S. ...SUNDAY... A CHANCE OF RAIN. LOWS IN THE MID 20S TO MID 30S. HIGHS IN THE UPPER 30S AND 40S. .DESERTS... ...THANKSGIVING DAY... SHOWERS ENDING FROM NORTHWEST TO SOUTHEAST. SNOW LEVELS 4500 FEET IN OWENS VALLEY. LOWS FROM THE UPPER 20S OWENS VALLEY TO THE UPPER 40S SOUTHERN DESERTS. HIGHS FROM THE 40S IN OWENS VALLEY TO THE 60S SOUTHERN DESERTS. ...FRIDAY AND SATURDAY... PARTLY CLOUDY. LOWS FROM THE 20S OWENS VALLEY TO THE 40S SOUTHERN DESERTS. HIGHS FROM NEAR 50 OWENS VALLEY TO NEAR 70 SOUTHERN DESERTS. ...SUNDAY... INCREASING CLOUDS. A CHANCE OF RAIN...MAINLY NORTH. LOWS FROM THE MID 20S TO MID 30S OWENS VALLEY TO THE 40S SOUTHERN DESERTS. HIGHS FROM THE MID 40S TO LOWER 50S OWENS VALLEY TO THE UPPER 60S SOUTHERN DESERTS. F SWEET
Special weather statement, Nov 26, 4:00 AM PST, 5 hours 20 minutes before
CAZ026>062-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OXNARD CA 400 AM PST WED NOV 26 1997 ...HOLIDAY OUTLOOK FOR THANKSGIVING DAY THROUGH THE WEEKEND... .COASTS AND VALLEYS... ...THANKSGIVING DAY... SHOWERS ENDING. LOWS IN THE 50S. HIGHS IN THE 60S. ...FRIDAY... PARTLY CLOUDY. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. ...SATURDAY... MOSTLY SUNNY EARLY...THEN INCREASING CLOUDS LATE IN THE DAY. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. ...SUNDAY... A CHANCE OF RAIN. LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S. .MOUNTAINS... ...THANKSGIVING DAY... SHOWERS DECREASING DURING THE DAY. SNOW LEVELS 4000 FEET NORTH TO 5000 FEET SOUTH. LOWS IN THE 20S TO MID 30S. HIGHS IN THE 30S TO LOWER 40S. ...FRIDAY... PARTLY CLOUDY. LOWS IN THE 20S TO MID 30S. HIGHS IN THE MID 40S TO UPPER 50S. ...SATURDAY... INCREASING CLOUDS. LOWS IN THE 20S TO MID 30S. HIGHS IN THE MID 40S TO UPPER 50S. ...SUNDAY... A CHANCE OF RAIN. LOWS IN THE MID 20S TO MID 30S. HIGHS IN THE UPPER 30S AND 40S. .DESERTS... ...THANKSGIVING DAY... SHOWERS ENDING FROM NORTHWEST TO SOUTHEAST. SNOW LEVELS 4500 FEET IN OWENS VALLEY. LOWS FROM THE UPPER 20S OWENS VALLEY TO THE UPPER 40S SOUTHERN DESERTS. HIGHS FROM THE 40S IN OWENS VALLEY TO THE 60S SOUTHERN DESERTS. ...FRIDAY AND SATURDAY... PARTLY CLOUDY. LOWS FROM THE 20S OWENS VALLEY TO THE 40S SOUTHERN DESERTS. HIGHS FROM NEAR 50 OWENS VALLEY TO NEAR 70 SOUTHERN DESERTS. ...SUNDAY... INCREASING CLOUDS. A CHANCE OF RAIN...MAINLY NORTH. LOWS FROM THE MID 20S TO MID 30S OWENS VALLEY TO THE 40S SOUTHERN DESERTS. HIGHS FROM THE MID 40S TO LOWER 50S OWENS VALLEY TO THE UPPER 60S SOUTHERN DESERTS. SWEET
Special weather statement, Nov 26, 6:00 AM PST, 3 hours 20 minutes before
CAZ039-040-044-045-053-261600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OXNARD CA 600 AM PST WED NOV 26 1997 ...THUNDERSTORMS EXITING SANTA BARBARA COUNTY AND ENTERING VENTURA COUNTY... AT 555 AM DOPPLER WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS MOVING OUT OF EASTERN SANTA BARBARA COUNTY AND INTO VENTURA COUNTY. THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH AND WILL AFFECT OXNARD AND VENTURA BY 615 AND MOVE TO THOUSAND OAKS AND SIMI VALLEY BY 7 AM. THESE THUNDERSTORMS WILL PRODUCE LIGHTNING...WIND GUSTS TO 45 MPH ...AND BRIEF HEAVY DOWNPOURS. RORKE
Special weather statement, Nov 26, 6:08 AM PST, 3 hours 12 minutes before
CAZ039-040-044-045-053-261600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OXNARD CA 600 AM PST WED NOV 26 1997 ...THUNDERSTORMS EXITING SANTA BARBARA COUNTY AND ENTERING VENTURA COUNTY... AT 555 AM DOPPLER WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS MOVING OUT OF EASTERN SANTA BARBARA COUNTY AND INTO VENTURA COUNTY. THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH AND WILL AFFECT OXNARD AND VENTURA BY 615 AND MOVE TO THOUSAND OAKS AND SIMI VALLEY BY 7 AM. THESE THUNDERSTORMS WILL PRODUCE LIGHTNING...WIND GUSTS TO 45 MPH ...AND BRIEF HEAVY DOWNPOURS. RORKE
Special weather statement, Nov 26, 9:00 AM PST, 20 minutes before
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
Special weather statement, Nov 26, 9:03 AM PST, 17 minutes before
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
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 3:13 AM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 47 min |
| Nov 26, 4:00 AM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 60 min |
| Nov 26, 5:00 AM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 60 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.