Alert archive / California / Flash Flood Watches in 2011

Flash Flood Watch 2, NWS Los Angeles, CA

March 19, 2011Los Angeles County, Santa Barbara County, California

NWS Los Angeles, CA issued this flash flood watch at Mar 19, 2011, 6:18 AM PDT for Los Angeles County, Santa Barbara County, California. It took effect at Mar 20, 2011, 3:00 AM PDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Mar 19, 2011, 6:18 AM PDT (13:18 UTC)
In effect from
Mar 20, 2011, 3:00 AM PDT
Expired
Mar 21, 2011, 6:00 AM PDT
In force
27 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 13:19 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.

The nearest sounding before it

Vandenberg AFB, CA (KVBG), launched 12:00Z, 1.3 hours before the alert went out and 130 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.

Skew-T log-pSkew-T log-p diagram, Vandenberg AFB, CA at 12:00Z on 2011-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 12:00Z on 2011-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
9 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

566 
WGUS66 KLOX 191318
FFALOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
618 AM PDT SAT MAR 19 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL BRING HEAVY RAIN TO SOUTHWESTERN
CALIFORNIA LATE TONIGHT THROUGH EARLY MONDAY. RAIN WILL BECOME
HEAVY AT TIMES ACROSS SANTA BARBARA COUNTY LATE TONIGHT...ACROSS
VENTURA COUNTY SUNDAY MORNING...AND ACROSS LOS ANGELES COUNTY SUNDAY
AFTERNOON. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY NIGHT...WITH
THAT CHANCE LINGERING THROUGH EARLY MONDAY MORNING ACROSS VENTURA AND
LOS ANGELES COUNTIES. RAINFALL RATES BETWEEN ONE HALF INCH AND ONE
INCH PER HOUR ARE LIKELY DURING THE PEAK OF THE STORM...WHICH
WOULD EXCEED THRESHOLDS DETERMINED BY THE USGS TO BE SUFFICIENT TO
CAUSE FLASH FLOODING AND DEBRIS FLOWS IN AND DOWNSTREAM OF THE
RECENT BURN AREAS. THEREFORE...FLASH FLOOD WATCHES HAVE BEEN ISSUED
FOR THE RECENT BURN AREAS.

CAZ038-039-052-192130-
/O.NEW.KLOX.FF.A.0002.110320T1000Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
618 AM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH IN EFFECT FOR THE RECENT BURN AREAS FROM LATE
TONIGHT THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A

* FLASH FLOOD WATCH FOR THE JESUSITA AND LA BREA BURN AREAS IN
  SANTA BARBARA COUNTY.

* FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE
  POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW THE
  RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-192130-
/O.NEW.KLOX.FF.A.0002.110320T1600Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
618 AM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH IN EFFECT FOR THE RECENT BURN AREAS FROM
SUNDAY MORNING THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A

* FLASH FLOOD WATCH FOR THE GUIBERSON BURN AREA IN VENTURA COUNTY.

* FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE
  POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW THE
  RECENT BURN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-192130-
/O.NEW.KLOX.FF.A.0002.110320T1900Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
618 AM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH IN EFFECT FOR THE RECENT BURN AREAS FROM
SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A

* FLASH FLOOD WATCH FOR THE STATION...MORRIS...BRIGGS AND CROWN
  BURN AREAS IN LOS ANGELES COUNTY.

* FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE
  POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW THE
  RECENT BURN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

BRUNO
7 follow-up statements
254 
WGUS66 KLOX 192124
FFALOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
224 PM PDT SAT MAR 19 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL BRING HEAVY RAIN TO
SOUTHWESTERN CALIFORNIA LATE TONIGHT THROUGH EARLY MONDAY. RAIN
WILL BECOME HEAVY AT TIMES ACROSS SANTA BARBARA COUNTY LATE
TONIGHT...ACROSS VENTURA COUNTY SUNDAY MORNING...AND ACROSS LOS
ANGELES COUNTY SUNDAY AFTERNOON. THERE IS A SLIGHT CHANCE OF
THUNDERSTORMS SUNDAY NIGHT...WITH THAT CHANCE LINGERING THROUGH
EARLY MONDAY MORNING ACROSS VENTURA AND LOS ANGELES COUNTIES.
RAINFALL RATES BETWEEN ONE HALF INCH AND ONE INCH PER HOUR ARE
LIKELY DURING THE PEAK OF THE STORM...WHICH WOULD EXCEED
THRESHOLDS DETERMINED BY THE USGS TO BE SUFFICIENT TO CAUSE FLASH
FLOODING AND DEBRIS FLOWS IN AND DOWNSTREAM OF THE RECENT BURN
AREAS. THEREFORE...FLASH FLOOD WATCHES HAVE BEEN ISSUED FOR THE
RECENT BURN AREAS.

CAZ038-039-052-200115-
/O.EXT.KLOX.FF.A.0002.110320T1000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
224 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH FOR THE RECENT BURN AREAS NOW IN EFFECT FROM
LATE TONIGHT THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS MODIFIED A
FLASH FLOOD WATCH FOR THE RECENT BURN AREAS IN SANTA BARBARA
COUNTY. THIS WATCH IS NOW IN EFFECT FOR

* FOR THE JESUSITA AND LA BREA BURN AREAS IN SANTA BARBARA COUNTY.

* FROM LATE TONIGHT THROUGH SUNDAY EVENING

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-200115-
/O.CON.KLOX.FF.A.0002.110320T1600Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
224 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH FOR THE RECENT BURN AREAS REMAINS IN EFFECT
FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CONTINUED
A FLASH FLOOD WATCH FOR THE RECENT BURN AREAS IN VENTURA COUNTY.
THIS WATCH CONTINUES FOR

* THE GUIBERSON BURN AREA IN VENTURA COUNTY

* FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-200115-
/O.CON.KLOX.FF.A.0002.110320T1900Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
224 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH FOR THE RECENT BURN AREAS REMAINS IN EFFECT
FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CONTINUED
A FLASH FLOOD WATCH FOR THE RECENT BURN AREAS IN LOS ANGELES
COUNTY. THIS WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS IN LOS
  ANGELES COUNTY.

* FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

HALL
909 
WGUS66 KLOX 200053
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
553 PM PDT SAT MAR 19 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL BRING HEAVY RAIN TO
SOUTHWESTERN CALIFORNIA LATE TONIGHT THROUGH LATE SUNDAY NIGHT. 
RAIN WILL BECOME HEAVY AT TIMES ACROSS SANTA BARBARA COUNTY LATE
TONIGHT...ACROSS VENTURA COUNTY SUNDAY MORNING...AND ACROSS LOS
ANGELES COUNTY SUNDAY AFTERNOON. THERE IS A SLIGHT CHANCE OF
THUNDERSTORMS FROM VENTURA COUNTY NORTHWARD SUNDAY AFTERNOON...
AND IN ALL AREAS SUNDAY NIGHT THROUGH MONDAY MORNING. RAINFALL
RATES BETWEEN ONE HALF INCH AND ONE INCH PER HOUR ARE LIKELY
DURING THE PEAK OF THE STORM...WHICH WOULD EXCEED THRESHOLDS
DETERMINED BY THE USGS TO BE SUFFICIENT TO CAUSE FLASH FLOODING
AND DEBRIS FLOWS IN AND DOWNSTREAM OF THE RECENT BURN AREAS.
THEREFORE...FLASH FLOOD WATCHES HAVE BEEN ISSUED FOR THE RECENT
BURN AREAS.

CAZ038-039-052-201000-
/O.CON.KLOX.FF.A.0002.110320T1000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
553 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS FROM
3 AM PDT SUNDAY THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE JESUSITA AND LA BREA BURN AREAS IN SANTA BARBARA COUNTY.

* FROM 3 AM PDT SUNDAY THROUGH SUNDAY EVENING

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-201000-
/O.CON.KLOX.FF.A.0002.110320T1600Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
553 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS FROM
SUNDAY MORNING THROUGH LATE SUNDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE GUIBERSON BURN AREA IN VENTURA COUNTY.

* FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-201000-
/O.CON.KLOX.FF.A.0002.110320T1900Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
553 PM PDT SAT MAR 19 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS FROM
SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS IN LOS
  ANGELES COUNTY.

* FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* RAINFALL RATES OF ONE HALF INCH TO ONE INCH PER HOUR ARE 
  POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

BRUNO
299 
WGUS66 KLOX 200949
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
249 AM PDT SUN MAR 20 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL BRING HEAVY RAIN TO
SOUTHWESTERN CALIFORNIA THROUGH TONIGHT. HEAVY RAIN ACROSS SANTA
BARBARA COUNTY EARLY THIS MORNING WILL SPREAD ACROSS VENTURA
COUNTY THIS MORNING AND LOS ANGELES COUNTY BY THIS AFTERNOON. 
RAIN WILL TURN TO SHOWERS ACROSS SANTA BARBARA COUNTY BY LATE THIS
EVENING...BUT NOT UNTIL LATE TONIGHT ACROSS VENTURA AND LOS ANGELES
COUNTIES. SHOWERS WILL DECREASE ACROSS THE AREA ON MONDAY. THERE
IS A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MONDAY MORNING. RAINFALL
RATES BETWEEN THREE QUARTERS OF AN INCH PER HOUR AND AN INCH AND A
QUARTER PER HOUR ARE POSSIBLE DURING THE PEAK OF THE
STORM...WHICH WOULD EXCEED THRESHOLDS DETERMINED BY THE USGS TO BE
SUFFICIENT TO CAUSE FLASH FLOODING AND DEBRIS FLOWS IN AND
DOWNSTREAM OF THE RECENT BURN AREAS. THEREFORE...FLASH FLOOD
WATCHES REMAIN IN EFFECT FOR THE RECENT BURN AREAS.

CAZ038-039-052-201800-
/O.CON.KLOX.FF.A.0002.110320T1000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
249 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS THROUGH
THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE JESUSITA AND LA BREA BURN AREAS IN SANTA BARBARA COUNTY.

* THROUGH THIS EVENING

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN INCH
  AND A QUARTER PER HOUR ARE POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-201800-
/O.CON.KLOX.FF.A.0002.110320T1600Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
249 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS FROM
9 AM PDT THIS MORNING THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE GUIBERSON BURN AREA IN VENTURA COUNTY.

* FROM 9 AM PDT THIS MORNING THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN INCH
  AND A QUARTER PER HOUR ARE POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-201800-
/O.CON.KLOX.FF.A.0002.110320T1900Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
249 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE RECENT BURN AREAS FROM
NOON PDT TODAY THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS IN LOS
  ANGELES COUNTY.

* FROM NOON PDT TODAY THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN INCH
  AND A QUARTER PER HOUR ARE POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

BRUNO/ASR
509 
WGUS66 KLOX 201802
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1102 AM PDT SUN MAR 20 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL BRING HEAVY RAIN TO
SOUTHWESTERN CALIFORNIA THROUGH TONIGHT. HEAVY RAIN ACROSS SANTA
BARBARA COUNTY EARLY THIS MORNING WILL SPREAD ACROSS VENTURA
COUNTY THIS MORNING AND LOS ANGELES COUNTY BY THIS AFTERNOON.
RAIN WILL TURN TO SHOWERS ACROSS SANTA BARBARA COUNTY BY LATE
THIS EVENING...BUT NOT UNTIL LATE TONIGHT ACROSS VENTURA AND LOS
ANGELES COUNTIES. SHOWERS WILL DECREASE ACROSS THE AREA ON
MONDAY. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MONDAY
MORNING. RAINFALL RATES BETWEEN THREE QUARTERS OF AN INCH PER
HOUR AND AN INCH AND A QUARTER PER HOUR ARE POSSIBLE DURING THE
PEAK OF THE STORM...WHICH WOULD EXCEED THRESHOLDS DETERMINED BY
THE USGS TO BE SUFFICIENT TO CAUSE FLASH FLOODING AND DEBRIS
FLOWS IN AND DOWNSTREAM OF THE RECENT BURN AREAS. THEREFORE...
FLASH FLOOD WATCHES REMAIN IN EFFECT FOR THE RECENT BURN AREAS.

CAZ038-039-052-210215-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
1102 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE JESUSITA AND LA BREA BURN AREAS

* THROUGH THIS EVENING

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN 
 INCH AND A QUARTER PER HOUR ARE POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
 THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-210215-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
1102 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE GUIBERSON BURN AREA

* THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN 
 INCH AND A QUARTER PER HOUR ARE POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
 THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-210215-
/O.CON.KLOX.FF.A.0002.110320T1900Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
1102 AM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS

* THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN 
 INCH AND A QUARTER PER HOUR ARE POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
 THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

WOFFORD
211 
WGUS66 KLOX 210154
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
654 PM PDT SUN MAR 20 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS...

.A STRONG LATE SEASON STORM SYSTEM WILL CONTINUE TO BRING HEAVY 
RAIN TO SOUTHWESTERN CALIFORNIA THROUGH TONIGHT. THE HEAVIEST
RAINFALL WILL OCCUR OVER LOS ANGELES COUNTY THROUGH THIS EVENING.
HOWEVER...WIDESPREAD SHOWER ACTIVITY WILL CONTINUE ACROSS VENTURA
AND SANTA BARBARA COUNTIES THIS EVENING. IN ADDITION...THERE WILL
CONTINUE TO BE A SLIGHT CHANCE OF THUNDERSTORMS ACROSS THE AREA.

RAINFALL RATES BETWEEN THREE QUARTERS OF AN INCH PER HOUR AND AN
INCH AND A HALF PER HOUR WILL BE POSSIBLE ACROSS THE RECENT BURN
AREAS. THESE RAINFALL RATES WOULD EXCEED USGS THRESHOLDS
DETERMINED SUFFICIENT TO CAUSE FLASH FLOODING AND DEBRIS FLOWS IN
AND DOWNSTREAM OF THE RECENT BURN AREAS. THEREFORE... FLASH FLOOD
WATCHES REMAIN IN EFFECT FOR THE RECENT BURN AREAS.

CAZ038-039-052-210700-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
654 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE JESUSITA AND LA BREA BURN AREAS

* THROUGH THIS EVENING

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN 
  INCH AND A QUARTER PER HOUR ARE POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ044-045-211000-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
654 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE GUIBERSON BURN AREA

* THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN INCH
  AND A HALF PER HOUR ARE POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

CAZ054-059-547-548-211000-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
654 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM PDT MONDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS

* THROUGH LATE TONIGHT

* RAINFALL RATES OF THREE QUARTERS OF AN INCH PER HOUR AND AN INCH
  AND A HALF PER HOUR ARE POSSIBLE.

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

RAT
404 
WGUS66 KLOX 210641
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1141 PM PDT SUN MAR 20 2011

...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE FOR THE RECENT BURN
AREAS OF LOS ANGELES COUNTY...

.THE STRONG COLD FRONT THAT BROUGHT HEAVY RAIN TO SOUTHWESTERN
CALIFORNIA IS NOW EXITING EASTERN LOS ANGELES COUNTY. MODERATE
RAIN WILL CONTINUE ACROSS LOS ANGELES COUNTY THROUGH THE EARLY
MORNING HOURS. RAINFALL RATES ACROSS THE BURN AREAS OF LOS ANGELES
COUNTY COULD REACH USGS THRESHOLDS. THEREFORE...THE FLASH FLOOD
WATCH FOR THESE AREAS WILL REMAIN IN EFFECT.

FOR SANTA BARBARA AND VENTURA COUNTIES...SCATTERED SHOWER ACTIVITY
WILL CONTINUE THROUGH THE MORNING HOURS. HOWEVER...DUE TO THE
SCATTER NATURE OF THE PRECIPITATION...THE THREAT TO THESE BURN
AREAS IS NOT GREAT. THEREFORE...THE FLASH FLOOD WATCH FOR THE BURN
AREAS OF SANTA BARBARA AND VENTURA COUNTIES HAS BEEN CANCELLED.

CAZ038-039-052-210745-
/O.CAN.KLOX.FF.A.0002.000000T0000Z-110321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-
SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...CUYAMA...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
1141 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST CALIFORNIA HAS
BEEN CANCELLED. 

SCATTERED SHOWERS WILL CONTINUE ACROSS THE AREA THROUGH MONDAY
MORNING. HOWEVER...RAINFALL RATES WITH THESE SHOWERS ARE EXPECTED
TO REMAIN BELOW ESTABLISHED USGS THRESHOLDS. 

$$

CAZ044-045-210745-
/O.CAN.KLOX.FF.A.0002.000000T0000Z-110321T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY
1141 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST CALIFORNIA HAS
BEEN CANCELLED. 

SCATTERED SHOWERS WILL CONTINUE ACROSS THE AREA THROUGH MONDAY
MORNING. HOWEVER...RAINFALL RATES WITH THESE SHOWERS ARE EXPECTED
TO REMAIN BELOW ESTABLISHED USGS THRESHOLDS. 

$$

CAZ054-059-547-548-211300-
/O.CON.KLOX.FF.A.0002.000000T0000Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
1141 PM PDT SUN MAR 20 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM PDT MONDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE STATION...MORRIS...BRIGGS AND CROWN BURN AREAS

* THROUGH LATE TONIGHT

* RAINFALL RATES BETWEEN ONE HALF PER HOUR AND ONE INCH PER HOUR
  WILL BE POSSIBLE. 

* FLASH FLOODING AND DEBRIS FLOW WILL BE A THREAT IN AND BELOW 
  THE RECENT BURN AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE
THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE
WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF
EMERGENCY PREPAREDNESS OFFICIALS.

&&

$$

RAT
098 
WGUS66 KLOX 211256
FFALOX

FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
556 AM PDT MON MAR 21 2011

CAZ054-059-547-548-211400-
/O.EXP.KLOX.FF.A.0002.000000T0000Z-110321T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG...
LANCASTER...PALMDALE...WOODLAND HILLS...NORTHRIDGE...BURBANK...
UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA
556 AM PDT MON MAR 21 2011

...FLASH FLOOD WATCH FOR THE RECENT BURN AREAS WILL EXPIRE AT 6
AM PDT EARLY THIS MORNING...

THE FLASH FLOOD WATCH FOR PORTIONS OF CA AND SOUTHWEST CALIFORNIA
WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING. 

SHOWER ACTIVITY HAS DIMINISHED THIS MORNING AND THE THREAT OF
FLASH FLOODING IS GREATLY REDUCED. THE FLASH FLOOD WATCH FOR THE
RECENT BURN WILL BE ALLOWED TO EXPIRE. SCATTERED SHOWER ACTIVITY
ALONG WITH A SLIGHT CHANCE OF A THUNDERSTORM WILL CONTINUE THROUGH
THE DAY. LOCAL NUISANCE RUNOFF WILL BE POSSIBLE THROUGH THE DAY IN
AND AROUND THE BURN AREAS.

$$

ASR

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 Mar 19, 5:00 AM PDT, 1 hour 18 minutes earlier.

Area forecast discussion, Mar 19, 5:00 AM PDT, 1 hour 18 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
500 AM PDT SAT MAR 19 2011

...UPDATED AVIATION DISCUSSION...

.SYNOPSIS...
LINGERING MOISTURE BEHIND A FRONTAL SYSTEM WILL BRING SCATTERED
SHOWERS TO THE REGION TODAY. A STRONG FRONTAL SYSTEM WILL BRING
PERIODS OF HEAVY RAIN AND MOUNTAIN SNOW TONIGHT THROUGH EARLY MONDAY
MORNING. ADDITIONAL FRONTAL SYSTEMS MAY BRING RAIN TO THE AREA
WEDNESDAY AND AGAIN THURSDAY NIGHT AND FRIDAY. TEMPERATURES WILL BE
WELL BELOW SEASONAL NORMALS THROUGH THE PERIOD.

&&

.SHORT TERM (TODAY-MON)...FRONTAL SYSTEM THAT BROUGHT A COUPLE OF
HOURS OF MODERATE TO OCCASIONALLY HEAVY RAIN TO MUCH OF THE REGION
LAST EVENING THROUGH EARLY THIS MORNING WAS MOVING ACROSS ERN L.A.
COUNTY...AND WILL EXIT THE REGION BY DAYBREAK.

A LARGE AND STRONG UPPER LOW OFF THE PAC NW WILL DROP SWD TODAY AND
TONIGHT...REACHING A POSITION ABOUT 200 NM W OF EUREKA BY LATE
TONIGHT...AND TO A POSITION JUST WEST OF MONTEREY BY SUNDAY
AFTERNOON. MOIST CYCLONIC FLOW THROUGH THE ATMOSPHERE WILL KEEP
SCATTERED SHOWERS GOING ACROSS THE REGION TODAY. WARM FRONTAL
DEVELOPMENT ACROSS SLO AND SBA COUNTIES WILL CAUSE STEADY RAIN
TO DEVELOP THERE THIS AFTERNOON. STRONG SLY FLOW AND A GOOD WARM
ADVECTION PATTERN WILL CAUSE RAIN TO SPREAD ACROSS MUCH OF THE
REGION TONIGHT...WITH GOOD OROGRAPHIC ENHANCEMENT ON AND BELOW SOUTH
FACING SLOPES BY LATE TONIGHT...ESPECIALLY ACROSS SBA AND WRN VTU
COUNTIES.

A VERY SHARP PRESSURE GRADIENT WILL SET UP ACROSS THE CENTRAL COAST
TONIGHT...AND EXPECT VERY STRONG SOUTH WINDS TO DEVELOP ACROSS SLO
AND SBA COUNTIES. THE LAST COUPLE OF RUNS HAVE BACKED OFF A BIT WITH
RESPECT TO THE STRENGTH OF THE WINDS...SO DID NOT HAVE THE
CONFIDENCE TO BUMP HIGH WIND WATCHES TO WARNINGS AT THIS POINT. WILL
LET THE DAY SHIFT TAKE A LOOK AT THE 12Z RUN.

WITH THE DEEP MOISTURE AND STRONG MID LEVEL LIFT...EXPECT PERIODS OF
HEAVY RAIN ACROSS THE REGION...BOTH IN THE WARM ADVECTION PATTERN
AHEAD OF THE FRONT...AND WITH THE FRONT ITSELF. THERE ARE STILL SOME
TIMING DIFFERENCES WITH THE FRONT...WITH THE GFS FASTER AS USUAL. IN
THIS SITUATION...BLV THE SLIGHTLY SLOWER WRF IS BETTER. AHEAD OF THE
FRONT...RAIN WILL BECOME HEAVY AT TIMES ACROSS SLO AND SBA COUNTIES
LATE TONIGHT...AND ACROSS VTU AND L.A. COUNTIES SUNDAY...PROBABLY IN
THE AFTERNOON. JET DYNAMICS BECOME QUITE IMPRESSIVE SUNDAY AFTERNOON
THROUGH SUNDAY NIGHT AS THE FRONT PUSHES INTO THE REGION...AND
RAINFALL RATES HAVE A GOOD CHANCE OF REACHING THRESHOLDS DEEMED BY
THE USGS TO BE SUFFICIENT TO PRODUCE PROBLEMS IN AND BELOW THE BURN
AREAS. THEREFORE...HAVE GONE AHEAD AND ISSUED FLASH FLOOD WATCHES
FOR THE BURN AREAS... BEGINNING LATE TONIGHT ACROSS SBA
COUNTY...SUNDAY MORNING ACROSS VTU COUNTY AND SUNDAY AFTERNOON
ACROSS L.A. COUNTY. IN ADDITION...ADDED A SLIGHT CHANCE OF TSTMS TO
THE FCST FOR MOST AREAS SUNDAY NIGHT...EXTENDING INTO EARLY MONDAY
MORNING FOR L.A. COUNTY.

FOR THE MOUNTAINS...VERY STRONG WINDS...WITH GUSTS OVER 70 MPH ARE
LIKELY...AND SIGNIFICANT SNOW IS ALSO LIKELY AT HIGH ELEVATIONS.
THEREFORE...UPGRADED WINTER STORM WATCHES TO WARNINGS. THE ONE
PROBLEM IS THAT THE SLY FLOW COULD LIFT SNOW LEVELS TO RATHER HIGH
ELEVATIONS FOR A WHILE SUNDAY...AT LEAST ON COASTAL SLOPES...WHICH
WOULD CUT INTO SNOW TOTALS THERE. WHERE THE PRECIPITATION STAYS ALL
SNOW...1 TO 3 FEET ARE LIKELY.

RAIN WILL TURN TO SHOWERS ACROSS SLO AND SBA COUNTIES SUNDAY
NIGHT...BUT PROBABLY NOT UNTIL EARLY MONDAY MORNING ACROSS L.A.
COUNTY. PLENTY OF MOISTURE WILL LINGER BEHIND THE FRONT ON
MONDAY...AND SHOWER ACTIVITY LOOKS LIKELY. HOWEVER...THE BULK OF THE
SIGNIFICANT RAINFALL ACCUMULATION SHOULD BE OVER BY OR SHORTLY AFTER
DAYBREAK MONDAY. WHEN ALL IS SAID AND DONE...EXPECT 2.50 TO 5 INCHES
OF RAIN IN COASTAL AND VALLEY AREAS...AND 5 TO 9 INCHES IN THE
FOOTHILLS AND MOUNTAINS BELOW THE SNOW LEVELS...MOST OF WHICH WILL
FALL IN AN 18 TO 24 HOUR PERIOD.

.LONG TERM (TUE-FRI)...A FLAT RIDGE WILL BRING SOME DRYING TO THE
REGION TUE. ANOTHER FRONTAL SYSTEM WILL BRING A CHANCE OF RAIN TO
THE CENTRAL COAST BY LATE TUE NIGHT...AND TO THE REMAINDER OF THE
REGION ON WED. THAT SYSTEM DOES NOT LOOK TO BE TOO SIGNIFICANT...
WITH THE HEAVIEST RAIN LIKELY N OF PT CONCEPTION. YET ANOTHER
ANOTHER FRONTAL SYSTEM MAY BRING RAIN TO THE REGION THU NIGHT AND
FRI. TEMPS WILL BE BELOW NORMAL THROUGH THE PERIOD.

&&

.AVIATION...19/1145Z
LOW CONFIDENCE WITH 12Z TAF PACKAGE IN REGARDS TO TIMING OF PRECIP
AND CIGS TODAY. A FEW LINGERING SHOWERS THIS MORNING ACROSS LA
COUNTY WITH IFR/MVFR CONDS THROUGH 16Z. EXPECT MAINLY VFR WITH HIGH
MVFR CIGS THROUGH MUCH OF TODAY. ANOTHER MORE VIGOROUS STORM SYSTEM
WILL BEGIN TO BRING PRECIP FOR AREAS N OF POINT CONCEPTION THIS
AFTERNOON...WITH HEAVIER RAIN EXPECTED TONIGHT. EXPECT IFR CONDS
WITH HEAVIER RAIN AFTER 09Z TONIGHT. FOR AREAS S OF POINT
CONCEPTION...RAIN WILL BECOME WIDESPREAD BY LATE TONIGHT INTO SUNDAY
MORNING. WITH HEAVIEST RAIN EXPECTED BY SUNDAY AFTERNOON AND
PERSISTING THROUGH THE EVENING. IFR CONDS VSBYS WITH HEAVIEST RAIN.
FREEZING LEVEL AROUND 7.2 DEGREES TODAY.

KLAX...LOW TO MODERATE CONFIDENCE WITH 12Z TAF. EXPECT MVFR CIGS
THIS MORNING WITH SOME VFR CONDS EXPECTED AFTER 16Z THROUGH MUCH OF
THE AFTERNOON. SOME -RA AFTER 05Z...WITH RAIN BECOMING HEAVY AT
TIMES ON SUNDAY MID MORNING THROUGH THE EVENING. WINDS SHOULD REMAIN
MOSTLY SW THROUGH EARLY THIS EVENING...THEN SHIFT TO THE SE AFTER
MIDNIGHT AND PERSIST OVER 10 KT. THIS SHOULD AFFECT AIR TRAFFIC
DIRECTION FROM LATE TONIGHT INTO SUNDAY MORNING.

.KBUR...MODERATE CONFIDENCE WITH 12Z TAF. WIND DIRECTION SHOULD
PERSIST OUT OF THE SE OVER THE NEXT 24 HOURS. MAINLY VFR CONDS
THROUGH TODAY WITH MVFR CIGS BY LATE AFTERNOON OR EVENING. THEN MORE
WIDESPREAD RAIN EXPECTED AFTER 10-12Z SUNDAY MORNING.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING (SEE LAXWSWLOX).
HIGH WIND WATCH (SEE LAXNPWLOX).
FLOOD WATCH (SEE LAXFFALOX).
SMALL CRAFT ADVISORY (SEE LAXMWWLOX).
HIGH SURF ADVISORY (SEE LAXCFWLOX).
HIGH RIP CURRENT RISK (SEE LAXSRFLOX).
MARINE WEATHER STATEMENT (SEE LAXMWSLOX).
STORM WATCH (SEE LAXMWWLOX).
GALE WATCH (SEE LAXMWWLOX).
SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX).

&&

PUBLIC...BRUNO
AVIATION...KAPLAN
SYNOPSIS...DB

WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Mar 19, 6:00 AM PDT, 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT SAT MAR 19 2011

CAZ034>041-044>046-051>054-059-087-088-547-548-201300-
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 MAR 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

HIGH SURF WILL AFFECT WEST FACING BEACHES OF VENTURA COUNTY AND THE
CENTRAL COAST THROUGH THIS EVENING. THERE WILL BE A HIGH RISK OF RIP
CURRENTS ON ALL AREA BEACHES AS WELL.THERE WILL BE LIGHT TO LOCALLY
MODERATE RAIN TODAY. A MORE SIGNIFICANT STORM WILL BEGIN TO AFFECT
AREAS NORTH OF POINT CONCEPTION LATE TONIGHT BRINGING INCREASING
RAINFALL TO THE REGION. A WINTER STORM WARNING IS IN EFFECT
BEGINNING THIS EVENING FOR LOS ANGELES...VENTURA AND SANTA BARBARA
COUNTIES. STORM AND GALE WATCHES ARE IN EFFECT BEGINNING LATE
TONIGHT WITH THE POTENTIAL OF WIND GUSTS BETWEEN 40 TO 50 MPH.

* WINTER STORM WARNING.......SEE WWUS46 KLOX - WSWLOX FOR DETAILS *

* HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

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

* HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX FOR DETAILS *

* HIGH RIP CURRENT RISK......SEE FZUS56 KLOX - SRFLOX 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

A STRONG STORM SYSTEM WILL BRING PERIODS
OF HEAVY RAIN AND MOUNTAIN SNOW TO THE REGION SUNDAY THROUGH EARLY
MONDAY. THE RAIN WILL LIKELY PRODUCE WIDESPREAD PONDING OF WATER ON
AREA ROADWAYS...WITH FLOODING OF LOW LYING AREAS AND INTERSECTIONS.
THERE IS A CHANCE THAT RAINFALL RATES COULD BE HIGH ENOUGH TO CAUSE
PROBLEMS IN AND BELOW THE RECENT BURN AREAS. STRONG AND POSSIBLY
DAMAGING SOUTH WINDS WILL AFFECT MUCH OF THE REGION SUNDAY AFTERNOON
THROUGH SUNDAY NIGHT. A STORM AND GALE WATCH IS IN EFFECT ON SUNDAY
WITH THE POTENTIAL OF WIND GUSTS BETWEEN 40 TO 50 MPH. ANOTHER STORM
SYSTEM MAY AFFECT THE REGION DURING THE MIDDLE OF NEXT WEEK.

* WINTER STORM WARNING.......SEE WWUS46 KLOX - WSWLOX FOR DETAILS *

* HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

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

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

* STORM WATCH..............SEE WHUS76 KLOX - MWWLOX FOR DETAILS *

* GALE WATCH...............SEE WHUS76 KLOX - MWWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

KAPLAN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 3:27 AM PDTGale WatchLOX6 hr
Mar 19, 5:56 AM PDTWinter Storm WarningLOX54 hr
Mar 19, 9:32 AM PDTStorm WatchLOX5 hr
Mar 19, 9:32 AM PDTStorm WarningLOX35 hr
Mar 19, 11:27 AM PDTHigh Wind WarningLOXSanta Barbara35 hr
Mar 19, 12:27 PM PDTHigh Surf AdvisoryLOX45 hr
Mar 19, 3:36 PM PDTWind AdvisoryLOXLos Angeles, Santa Barbara31 hr

Nearby

Flash Flood Watches in California, 2011Every flash flood watch in 2011

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; radar from the NEXRAD Level II archive.