Alert archive / California / Flash Flood Warnings in 2008

Flash Flood Warning 27, NWS Los Angeles, CA

November 1, 2008Los Angeles County, Ventura County, California

NWS Los Angeles, CA issued this flash flood warning at Nov 1, 2008, 11:34 AM PDT for Los Angeles County, Ventura County, California. It was in force for 4 hr. 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 1, 2008, 11:34 AM PDT (18:34 UTC)
Expired: Nov 1, 2008, 3:30 PM PDT
In force: 4 hr
Issued by: NWS Los Angeles, CA
Area: Storm-based polygon
Flood severity: None

Counties Los Angeles County, CA, Ventura County, CA

The radar

The Los Angeles radar (KVTX), 47 km from the middle of the area, began a volume at 18:38 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.

What forecasters said that day

The local office's own words before this flash flood warning 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 flash flood warning went out at Nov 1, 11:30 AM PDT, 4 minutes earlier.

Area forecast discussion, Nov 1, 11:30 AM PDT, 4 minutes before

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Hazardous weather outlook, Nov 1, 11:32 AM PDT, 2 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1132 AM PDT SAT NOV 1 2008

CAZ034>041-044>046-051>054-059-087-088-547-548-021400-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
1132 AM PDT SAT NOV 1 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

THERE WILL BE SCATTERED SHOWERS AND THUNDERSTORMS TODAY. LOCALLY
HEAVY DOWNPOURS AND GUSTY WINDS ARE POSSIBLE NEAR THUNDERSTORMS. A
FRONTAL SYSTEM WILL LIKELY CAUSE STEADY RAIN TO DEVELOP ACROSS SAN
LUIS OBISPO AND SANTA BARBARA COUNTIES THIS EVENING OR EARLY
TONIGHT...WITH RAIN CONTINUING LOCALLY HEAVY AT TIMES THROUGH THE
NIGHT. ACROSS VENTURA AND LOS ANGELES COUNTIES...THERE IS A CHANCE
OF RAIN TONIGHT.

* FLOOD WATCH................SEE WGUS66 KLOX - FFALOX FOR DETAILS *

* FLOOD ADVISORY.............SEE WGUS86 KLOX - FLSLOX FOR DETAILS *

* MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF RAIN ON SUNDAY...THEN A SLIGHT CHANCE OF
SHOWERS SUNDAY NIGHT AND EARLY MONDAY.

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

30

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 1, 3:11 AM PDT	Small Craft Advisory	LOX		15 hr
Nov 1, 3:30 AM PDT	Marine Weather Statement	LOX		14 hr
Nov 1, 7:44 AM PDT	Flash Flood Warning	LOX	Santa Barbara	88 min
Nov 1, 7:51 AM PDT	Severe Thunderstorm Warning	LOX	Los Angeles	49 min
Nov 1, 8:35 AM PDT	Flash Flood Watch	LOX	Los Angeles	11 hr
Nov 1, 11:21 AM PDT	Areal Flood Advisory	LOX	Los Angeles	6 hr
Nov 1, 1:50 PM PDT	Flash Flood Warning	LOX	Los Angeles, Ventura	4 hr

Nearby

Flash Flood Warnings in California, 2008 Every flash flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.