Flash Flood Warning 2, NWS Los Angeles, CA

748 
WGUS76 KLOX 230658
FFSLOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
1058 PM PST SUN FEB 22 2015

CAC037-230815-
/O.CON.KLOX.FF.W.0002.000000T0000Z-150223T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES CA-
1058 PM PST SUN FEB 22 2015

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM PST MONDAY 
FOR EAST CENTRAL LOS ANGELES COUNTY...

AT 1042 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A BAND OF STRONG SHOWERS JUST STARTING TO MOVE INTO THE 
COLBY BURN AREA. A QUARTER INCH OF RAIN FELL IN JUST TEN MINUTES AT A 
NEARBY UPSTREAM SITE...THEREFORE FLASH FLOODING IS EXPECTED AS THIS
RAIN MOVES INTO THE BURN AREA. MODERATE TO HEAVY RAIN WILL CONTINUE
TO MOVE ACROSS THE BURN AREA AT LEAST FOR ANOTHER HALF HOUR BEFORE
DECREASING SOME. RAINFALL RATES WERE EXCEEDING USGS DEBRIS FLOW 
THRESHOLDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RESIDENTS AND MOTORISTS IN AND BELOW RECENTLY BURNED AREAS SHOULD BE
ALERT TO FLASH FLOODING AND DEBRIS FLOWS WHICH MAY BLOCK ROADS AND
CULVERTS.

&&

LAT...LON 3416 11791 3417 11787 3417 11785 3415 11784
      3415 11787 3415 11788 3415 11791

$$

KAPLAN/DB

HTTP://LANDSLIDES.USGS.GOV/RESEARCH/WILDFIRE

189 
WGUS76 KLOX 230814
FFSLOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
1214 AM PST MON FEB 23 2015

CAC037-230824-
/O.EXP.KLOX.FF.W.0002.000000T0000Z-150223T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES CA-
1214 AM PST MON FEB 23 2015

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM PST FOR EAST
CENTRAL LOS ANGELES COUNTY...

SHOWER ACTIVITY HAS GREATLY DECREASED IN INTENSITY ACROSS THE BURN 
AREA...AND ONLY SCATTERED SHOWERS ARE EXPECTED THROUGH THE EARLY 
MORNING HOURS. THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED 
TO EXPIRE.

LAT...LON 3416 11791 3417 11787 3417 11785 3415 11784
      3415 11787 3415 11788 3415 11791

$$

DB

SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
835 PM PST SUN FEB 22 2015

.SYNOPSIS...
LOW PRESSURE WILL CONTINUE TO BRING RAIN SHOWERS AND MOUNTAIN SNOW
OVERNIGHT AND INTO MONDAY...ALONG WITH COOLER NIGHTTIME
TEMPERATURES. A WARMING TREND WITH LIGHT OFFSHORE BREEZES WILL BEGIN
TUESDAY THROUGH THURSDAY. ANOTHER TROUGH OF LOW PRESSURE MAY BRING
SOME LIGHT SHOWERS TO THE AREA NEXT WEEKEND.

&&

.SHORT TERM (TONIGHT-WED)...AN UPPER LEVEL LOW CENTERED OVER
MONTEREY COUNTY WAS BRINGING SHOWERS AND MOUNTAIN SNOW SHOWERS OVER
SOUTHWESTERN CA THIS EVENING. SOME HEAVIER SHOWERS HAD INSTANTANEOUS
RAINFALL RATES OF UP TO 5.6 INCHES PER HOUR...WHILE OBSERVED HOURLY
RAINFALL ACROSS THE REGION HAS BEEN UP TO ABOUT ONE QUARTER TO ONE
THIRD OF AN INCH PER HOUR IN A FEW LOCATIONS. THE HIGHEST STORM
TOTAL RAINFALL AMOUNT THRU 8 PM HAS BEEN 1.74 INCHES AT CLEAR CREEK
IN THE L.A. COUNTY MTNS. IT HAS BEEN A VERY SHOWERY WEATHER SYSTEM
AND THIS WEATHER PATTERN WILL CONTINUE OVERNIGHT FOR MUCH OF THE
REGION. SNOW LEVELS HAVE FALLEN BELOW 6000 FEET...WITH SOME
MEASURABLE SNOW EXPECTED DOWN TO 5000 FEET BY LATE TONIGHT. GUSTY S
WINDS WERE NOTED IN SOME PARTS OF THE THE MOUNTAINS AS WELL THIS
EVENING. A WINTER WEATHER ADVISORY WILL CONTINUE OVERNIGHT INTO MON
FOR THE MTNS OF VTU/L.A. COUNTIES FOR TOTAL SNOWFALL OF 4 TO 7
INCHES ABOVE 6000 FEET ALONG WITH GUSTY WINDS.

THE UPPER LOW IS FORECAST TO MOVE E AND WEAKEN THRU TONIGHT. ANOTHER
UPPER LOW WILL DEVELOP OVER CENTRAL CA ON MON BEFORE MOVING SE...
JUST SKIRTING SRN CA MON EVENING. UPPER LEVEL RIDGING WILL BUILD OFF
THE CA COAST LATER MON NIGHT THRU WED. SHOWERS WILL PERSIST OVER
EASTERN SLO/SBA COUNTIES AND MUCH OF VTU/L.A. COUNTIES MON MORNING
THEN GRADUALLY DIMINISH IN COVERAGE TO JUST A FEW LINGERING SHOWERS
AND SNOW SHOWERS IN THE MOUNTAINS OF VTU/L.A. COUNTIES BY MON
EVENING. OFFSHORE FLOW WILL DEVELOP MON NIGHT INTO TUE MORNING OVER
THE REGION...HELPING TO CLEAR OUT THE CLOUDS ACROSS THE FORECAST
AREA. THE OFFSHORE FLOW SHOULD PERSIST TUE NIGHT INTO WED AS
WELL...WITH MOSTLY CLEAR SKIES EXPECTED IN ALL AREAS. TEMPS ARE
FORECAST TO REMAIN SEVERAL DEGREES BELOW NORMAL AGAIN ON MON...THEN
WARM TO NEAR NORMAL FOR MANY AREAS TUE...AND TO SEVERAL DEGREES
ABOVE NORMAL FOR WED.

***FROM PREVIOUS DISCUSSION***

.LONG TERM (THU-SUN)...ANOTHER WARM, WEAK OFFSHORE DAY THU BEFORE A
TROF DROPS SOUTH ALONG THE WEST COAST AGAIN. LIKE THIS ONE IT
APPEARS TO BE TAKING AN OVER-LAND TRAJECTORY WITH LIMITED MOISTURE,
BUT IT'S VERY COLD AND DYNAMIC AND CAN'T RULE OUT SOME SHOWERS NEXT
WEEKEND. HIGHS FRI WILL DROP SEVERAL DEGREES WITH INCREASING CLOUDS.
THEN COOLER STILL OVER THE WEEKEND WITH A SLIGHT CHANCE OF SHOWERS.
LOOKING A LITTLE FURTHER OUT MODELS SHOWING ANOTHER MOSTLY NORTHERLY
SYSTEM MOVING THROUGH THE FOLLOWING TUESDAY WITH AGAIN LIMITED
MOISTURE.

&&

.AVIATION...23/0030Z...

AT 2355Z...THERE WAS NO MARINE INVERSION PRESENT AT KLAX.

MODERATE CONFIDENCE OVERALL IN THE 00Z TAFS. MVFR CIGS ARE EXPECTED
AT ALL THE AIRFIELDS THRU LATE TONIGHT...WITH VFR CIGS ON MON.
HOWEVER...CIGS COULD BE VFR AT TIMES THRU TONIGHT...AND THE TIMING
TO IMPROVEMENT TO VFR MON MORNING MAY BE A FEW HOURS TOO EARLY AT
SEVERAL AIRFIELDS.

KLAX...MODERATE CONFIDENCE OVERALL IN THE 00Z TAF. MVFR CIGS ARE
EXPECTED THRU LATE TONIGHT...WITH VFR CIGS MON AND MON EVENING.
HOWEVER...CIGS COULD BE VFR AT TIMES THRU TONIGHT...AND THE TIMING
TO IMPROVEMENT TO VFR MON MORNING MAY BE A FEW HOURS TOO EARLY.

KBUR...MODERATE CONFIDENCE OVERALL IN THE 00Z TAF. MVFR CIGS ARE
EXPECTED THRU LATE TONIGHT...WITH VFR CIGS ON MON. HOWEVER...CIGS
COULD BE VFR AT TIMES THRU TONIGHT...AND THE TIMING TO IMPROVEMENT
TO VFR MON MORNING MAY BE A FEW HOURS TOO EARLY.

&&

.MARINE...22/800 PM...

SMALL CRAFT ADVISORY CONDITIONS FOR WINDS WILL LIKELY NOT EXIST
THROUGH TUESDAY THEN THERE IS A CHANCE NORTHWEST WINDS WILL CREATE
SCA CONDITIONS FROM POINT PIEDRAS BLANCAS TO POINT CONCEPTION AND
OVER THE OUTER WATERS FROM POINT CONCEPTION TO SAN CLEMENTE ISLAND
WEDNESDAY THROUGH FRIDAY. A LOW PRESSURE SYSTEM IN THE WESTERN AND
CENTRAL PACIFIC HAD GENERATED SEAS AROUND 25 FT LAST WEEK WEDNESDAY
THROUGH THURSDAY WITHIN 270-290 DEGREES RELATIVE TO VENTURA COUNTY.
THE LONGER PERIOD FRONT RUNNERS WILL ARRIVE AND THE EVENT WILL PEAK
MONDAY AND THERE IS A SLIGHT CHANCE OF SCA CONDITIONS FOR HAZARDOUS
SEAS NORTH OF POINT CONCEPTION TONIGHT THROUGH MONDAY AFTERNOON.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY (SEE LAXWSWLOX).

&&

PUBLIC...SIRARD/MW
AVIATION...SIRARD
MARINE...30/SIRARD
SYNOPSIS...B

WWW.WEATHER.GOV/LOSANGELES

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PST SUN FEB 22 2015

CAZ034>041-044>046-051>054-059-087-088-547-548-231400-
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 SUN FEB 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY AND TONIGHT

RAIN SHOWERS WILL CREATE SLICK ROADS TODAY AND TONIGHT. A SLIGHT
CHANCE OF A THUNDERSTORM WILL BRING LIGHTNING HAZARDS TO SLO AND
SANTA BARBARA COUNTIES THIS AFTERNOON AND EVENING. SNOW WILL FALL
DOWN TO 6000 FEET TODAY AND 5000 FEET TONIGHT AND WILL BRING WINTER
WEATHER HAZARDS TO THE MOUNTAINS.

* WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

RAIN SHOWERS WILL CREATE SLICK ROADS MONDAY MORNING. SNOW WILL FALL
DOWN TO 5000 FEET MONDAY MORNING AND WILL BRING WINTER WEATHER
HAZARDS TO THE MOUNTAINS.

* WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

RORKE