Alert archive / California / Flash Flood Warnings in 2010
Flash Flood Warning 15, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Feb 27, 2010, 3:34 AM PST for Los Angeles County, California. It was in force for 6 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
- Feb 27, 2010, 3:34 AM PST (11:34 UTC)
- Expired
- Feb 27, 2010, 9:30 AM PST
- In force
- 6 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 11:35 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 Feb 27, 3:00 AM PST, 34 minutes earlier.
Area forecast discussion, Feb 27, 3:00 AM PST, 34 minutes before
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</html>Hazardous weather outlook, Feb 26, 6:00 AM PST, 21 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 600 AM PST FRI FEB 26 2010 CAZ034>041-044>046-051>054-059-087-088-547-548-271400- 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- 600 AM PST FRI FEB 26 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY FLASH FLOOD WATCH FOR THE BURN AREAS WILL BEGIN LATER THIS EVENING FOR SANTA BARBARA COUNTY...THEN AFTER MIDNIGHT FOR LOS ANGELES COUNTY. EXPECT PERIODS OF HEAVY RAIN WITH HOURLY RAINFALL RATES EXCEEDING USGS THRESHOLDS. THERE WILL BE THE POSSIBILITY OF HEAVY SNOW AND GUSTY WINDS ACROSS THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AS WELL LATER TONIGHT. THERE WILL ALSO BE THE POSSIBILITY FOR GUSTY WINDS ACROSS THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS LATE THIS EVENING THROUGH EARLY SATURDAY MORNING WITH GUSTS TO 60 MPH POSSIBLE. WITH THE UPCOMING STORM SYSTEM...THERE WILL BE A CHANCE OF THUNDERSTORMS ACROSS THE REGIONS...INCLUDING THE ADJACENT COASTAL WATERS ON SATURDAY. A FEW WEAK WATERSPOUTS COULD DEVELOP AS WELL WITH THIS STORM SYSTEM ACROSS THE INNER WATERS...ESPECIALLY FROM POINT MUGU TO HUNTINGTON BEACH AND THE SAN PEDRO CHANNEL FROM EARLY SATURDAY. * HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * FLOOD WATCH................SEE WGUS66 KLOX - FFALOX FOR DETAILS * * WINTER STORM WATCH.........SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY FLASH FLOOD WATCH WILL CONTINUE TO BE IN EFFECT FOR THE BURN AREAS SATURDAY MORNING THROUGH THE EVENING HOURS. EXPECT PERIODS OF HEAVY RAIN WITH HOURLY RAINFALL RATES EXCEEDING USGS THRESHOLDS. THERE WILL BE THE POSSIBILITY OF HEAVY SNOW AND GUSTY WINDS ACROSS THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS CONTINUING THROUGH SATURDAY AFTERNOON AS WELL. CHANCE OF THUNDERSTORMS WILL CONTINUE ACROSS THE REGION...INCLUDING THE ADJACENT COASTAL WATERS ON SATURDAY. A FEW WEAK WATERSPOUTS COULD DEVELOP AS WELL WITH THIS STORM SYSTEM ACROSS THE INNER WATERS...ESPECIALLY FROM POINT MUGU TO HUNTINGTON BEACH AND THE SAN PEDRO CHANNEL FROM EARLY SATURDAY THROUGH THE EVENING HOURS. * FLOOD WATCH................SEE WGUS66 KLOX - FFALOX FOR DETAILS * * WINTER STORM WATCH.........SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. KAPLAN
In the hours before
Special weather statement, Feb 27, 3:29 AM PST, 5 minutes before
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</html>The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 8:31 PM PST | Areal Flood Advisory | LOX | San Luis Obispo | 35 min |
| Feb 26, 9:02 PM PST | Areal Flood Advisory | LOX | San Luis Obispo | 4 hr |
| Feb 26, 9:31 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 3 hr |
| Feb 26, 10:47 PM PST | Flash Flood Warning | LOX | Santa Barbara | 4 hr |
| Feb 26, 10:54 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 6 hr |
| Feb 27, 1:16 AM PST | Areal Flood Advisory | LOX | Ventura | 4 hr |
| Feb 27, 2:15 AM PST | Areal Flood Advisory | LOX | Los Angeles | 6 hr |
| Feb 27, 5:14 AM PST | Areal Flood Advisory | LOX | Ventura | 80 min |
| Feb 27, 5:55 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 5 hr |
| Feb 27, 7:27 AM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Feb 27, 8:05 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 10 hr |
| Feb 27, 8:47 AM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 28 min |
| Feb 27, 10:42 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 6 hr |
| Feb 27, 11:49 AM PST | Areal Flood Advisory | LOX | Ventura | 6 hr |
| Feb 27, 2:41 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Feb 27, 3:12 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
Nearby
Flash Flood Warnings in California, 2010Every flash flood warning in 2010
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.