Alert archive / California / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Los Angeles, CA

July 18, 2015Los Angeles County, Santa Barbara County, California

NWS Los Angeles, CA issued this flash flood watch at Jul 18, 2015, 2:20 PM PDT for Los Angeles County, Santa Barbara County, California. It took effect at Jul 18, 2015, 3:00 PM PDT. It was in force for 52 hr.

The area

The counties it named.

The facts

Issued: Jul 18, 2015, 2:20 PM PDT (21:20 UTC)
In effect from: Jul 18, 2015, 3:00 PM PDT
Expired: Jul 20, 2015, 6:53 PM PDT
In force: 52 hr
Issued by: NWS Los Angeles, CA
Flood severity: None

Counties Los Angeles County, CA, Santa Barbara County, CA

The radar

The Los Angeles radar (KVTX), 6 km from the middle of the area, began a volume at 21:22 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 watch 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 watch went out at Jul 18, 1:35 PM PDT, 45 minutes earlier.

Area forecast discussion, Jul 18, 1:35 PM PDT, 45 minutes before

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Hazardous weather outlook, Jul 18, 6:00 AM PDT, 8 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT SAT JUL 18 2015

CAZ034>041-044>046-051>054-059-087-088-547-548-171300-
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 PDT SAT JUL 18 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION
TODAY AND TONIGHT.

THERE IS A MODERATE RISK OF RIP CURRENTS ON MOST AREA BEACHES
TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS MUCH OF THE
REGION SUNDAY THROUGH MONDAY.

THERE IS THE POTENTIAL FOR HIGH SURF SUNDAY THROUGH
MONDAY...ESPECIALLY ON SOUTH FACING BEACHES. THERE WILL BE A HIGH
RISK OF RIP CURRENTS ON MOST AREA BEACHES SUNDAY THROUGH MONDAY.

In the hours before

Special weather statement, Jul 18, 8:34 AM PDT, 5 hours 46 minutes before

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Special weather statement, Jul 18, 9:15 AM PDT, 5 hours 5 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
Jul 18, 8:34 AM PDT	Special Weather Statement	LOX	Los Angeles	56 min
Jul 18, 9:15 AM PDT	Special Weather Statement	LOX	Los Angeles	45 min
Jul 18, 9:59 AM PDT	Areal Flood Advisory	LOX	Los Angeles	2 hr
Jul 18, 2:21 PM PDT	Special Weather Statement	LOX		24 min
Jul 18, 2:23 PM PDT	Areal Flood Advisory	LOX	Los Angeles, Ventura	3 hr
Jul 18, 2:47 PM PDT	Special Weather Statement	LOX	Los Angeles	58 min
Jul 18, 3:13 PM PDT	Areal Flood Advisory	LOX	Ventura	3 hr
Jul 18, 3:53 PM PDT	Special Weather Statement	LOX	Los Angeles, Ventura	52 min

Nearby

Flash Flood Watches in California, 2015 Every flash flood watch in 2015

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.