Alert archive / California / Flash Flood Warnings in 2000
Flash Flood Warning 6, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Feb 23, 2000, 1:20 PM PST for Los Angeles County, California. It was in force for 100 min. 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 23, 2000, 1:20 PM PST (21:20 UTC)
- Expired
- Feb 23, 2000, 3:00 PM PST
- In force
- 100 min
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
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 21:20 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
Edwards AFB, CA (KEDW), launched 12:00Z, 9.3 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS56 KLOX 232122 FFWLOX CAC037-232300- FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 120 PM PST WED FEB 23 2000 THE NATIONAL WEATHER SERVICE IN OXNARD HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE RAFAEL AND SANTA ANITA BURN AREAS OF LOS ANGELES COUNTY * UNTIL 300 PM PST * AT 115 PM...SULPHUR MOUNTAIN DOPPLER RADAR INDICATED VERY HEAVY RAIN...WITH RAINFALL RATES OF BETWEEN THREE QUARTERS OF AN INCH PER HOUR AND ONE INCH PER HOUR ACROSS THE SAN GABRIEL VALLEY AND MUCH OF THE SAN FERNANDO VALLEY. THIS HEAVY RAIN WILL AFFECT THE SANTA ANITA AND RAFAEL BURN AREAS THROUGH AT LEAST 2 PM...WITH ADDITIONAL RAIN CONTINUING UNTIL 3 PM. GIVEN THE AMOUNT OF RAINFALL THAT HAS ALREADY FALLEN IN THIS AREA...ADDITIONAL RAINFALL WILL LIKELY CAUSE FLASH FLOODING IN THE BURN AREAS OF LOS ANGELES COUNTY. THE RISK OF MUD/DEBRIS FLOWS HAS INCREASED AROUND THE FIRE AREAS. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOVE TO HIGHER GROUND IMMEDIATELY IF FLOODING IS ENCOUNTERED. FOLLOW DIRECTIONS OF EMERGENCY PREPAREDNESS OFFICIALS AND EVACUATE IF REQUESTED TO DO SO. PERSONS IN THE WARNING AREA SHOULD BE PREPARED TO MOVE IfMMEDIATELY...WITHOUT WAITING FOR INSTRUCTIONS... IF HEAVY FLOWS OF WATER OR DEBRIS ARE OBSERVED IN THEIR AREA. $$ BRUNO/BOWER
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 23, 9:00 AM PST, 4 hours 20 minutes earlier.
Area forecast discussion, Feb 23, 9:00 AM PST, 4 hours 20 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
9 AM PST WED FEB 23 2000
STLT PICS SHOW CDFNT HAS MOVD THRU CNTRL CA PTNS OF DIST AND IS NOW
DOWN TO ABT PT CONCEPTION. TOTALS FOR MOST SLO CNTY SO FAR RNG FROM 1/4
TO 3/4 INCH. THE FNT HAS SLOWD BUT NOT STALLED ATTM AND HVY RN CONTS
ACRS MOST OF SBA CNTY. GAGES AND SPOTTERS ARE REPORTG RNFL AMTS LCLLY
OF 1/2 TO ONE INCH PER HR AND A FLS HAS BEEN ISSUED FOR SBA CNTY. SDB
ASOS IS REPORTG LGT SN AT THE 45 HND FT LVL SINCE ABT 2 AM. CHP REPORTS
ONLY RN SO FAR OVR THE GRAPEVINE. BUT THE TEJON PASS IS ABT 4200 FT AT
THE SUMMIT AND MTN TEMPS ARE SLOWLY LWRG...SO LGT SN CUD BGN THERE AT
ANY TIME. THUS WSW WAS UPDATED TO LWR WRNG LVL FROM 5 TO 4 THSD FT. GUD
SLY LO/MID LVL WNDS INDICATED AHEAD OF FNT BY 88D WND PROFILES SO LOTS
OF ORGPHC ENHANCEMENT XPCD MTNS AND FOOTHILLS OF TRANSVERSE RNG. QPS
ALSO UPDATED TO REFLECT INCR RNFL AMTS. ETA MOVS FNT THRU LA CNTY BY
00Z BUT STG UVV AND AMPLE MSTR AFT FROPA WITH SUPPORT STG CONVECTION...
SO IDEA OF NMRS SHWRS AND PSBL TSTMS THIS AFTN STILL LUKS OK. AS UPR
TROF EXITS EWD AND HGTS INCR TNGT AND THU MRNG...DVV MOVS OVR DIST WITH
SHWRS ENDG. AVN IN THRU 48 HRS IS SMLR BUT A LTL MORE PROGRESSIVE. BOTH
MDLS SMLR WITH NXT SYSTEM DUE OVR DIST THU. THIS SYSTEM MUCH WKR THAN
CURRENT STORM AND CHC POPS LUK OK ATTM. LAX +83. HENDERSON
.LAX...FLASH FLOOD WATCH FOR BURN AREAS (SEE LAXFLSLAX).
WINTER STORM WARNING (SEE LAXWSWLAX).
FLOOD ADVIOSRY (SEE LAXFLSLAX).
SMALL CRAFT ADVISORY (SEE LAXCWFLAX).In the hours before
Special weather statement, Feb 23, 11:45 AM PST, 1 hour 35 minutes before
CAZ034>041-044>047-051>054-059-232230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 11:45 AM PST WED FEB 23 2000 ...STORM TOTALS THROUGH 11 AM WEDNESDAY... SAN LUIS OBISPO COUNTY... ...COASTS AND VALLEYS... SAN LUIS OBISPO.......................................(0.83). LOS OSOS..............................................(1.42). NIPOMO................................................(0.71). ATASCADERO HILLS......................................(1.26). SANTA MARGARITA.......................................(1.60). CARRIZO PLAIN.........................................(1.35). ...FOOTHILLS AND MOUNTAINS... SHELL PEAK............................................(1.14). DAVIS PEAK (FOOTHILLS NEAR SAN LUIS OBISPO)...........(0.91). SANTA MARGARITA BOOSTER...............................(1.60). SANTA BARBARA COUNTY... SANTA BARBARA COUNTY ...COASTS AND VALLEYS... SANTA BARBARA AIRPORT.................................(1.76). SANTA BARBARA (FLOOD CONTROL).........................(2.24). GOLETA................................................(2.17). CARPINTERIA (FIRE STATION)............................(1.93). SANTA MARIA...........................................(1.23). BUELLTON..............................................(1.26). LOS PRIETOS...........................................(2.42). ...FOOTHILLS AND MOUNTAINS... MONTECITO (HILLS).....................................(2.44). GIBRALTAR DAM.........................................(3.35). SAN MARCOS PASS.......................................(2.76). OLD MAN MOUNTAIN......................................(2.60). LA CUMBRE PEAK........................................(2.20). REFUGIO PASS..........................................(2.56). VENTURA COUNTY... ...COASTS AND VALLEYS... SANTA PAULA CREEK.....................................(2.64). LAKE CASITAS DAM......................................(2.05). MOORPARK (COLLEGE)....................................(0.94). STEWART CANYON (NEAR OJAI)............................(1.34). VENTURA (COUNTY CENTER)...............................(1.89). EL RIO................................................(1.22). OAK VIEW..............................................(2.36). CANADA LARGA..........................................(2.09). ...FOOTHILLS AND MOUNTAINS... MATILIJA UPPER CANYON.................................(1.61). ROSE VALLEY...........................................(2.48). CIRCLE X RANCH (ABOVE NEWBURY PARK)...................(1.26). LA GRANADA MOUNTAIN...................................(2.13). ROCKY PEAK............................................(0.87). SISAR PEAK............................................(2.09). LOS ANGELES COUNTY... ...COASTS AND VALLEYS... L.A. DOWNTOWN/USC.....................................(0.49). LOS ANGELES AIRPORT...................................(0.36). LONG BEACH............................................(0.19). BURBANK...............................................(0.40). VAN NUYS..............................................(0.21). NEWHALL...............................................(0.65). MONTE NIDO FIRE STATION (NEAR MALIBU).................(1.14). BEL AIR...............................................(0.75). BEVERLY HILLS.........................................(0.60). DOMINGUEZ HILLS.......................................(0.43). AGOURA................................................(1.06). CHATSWORTH............................................(0.44). CANOGA PARK...........................................(0.35). SEPULVEDA CANYON......................................(0.98). EAGLE ROCK............................................(0.67). ...FOOTHILLS AND MOUNTAINS... MILL CREEK SUMMIT.....................................(0.91). SANDBERG..............................................(0.57). COGSWELL DAM..........................................(0.87). SIERRA MADRE..........................................(0.51). SAN GABRIEL DAM.......................................(0.43). SANTA ANITA DAM..................>.....................(0.55). BIG TUJUNGA DAM.......................................(0.35). BOWER
Special weather statement, Feb 23, 12:08 PM PST, 1 hour 12 minutes before
CAZ034>041-044>047-051>054-059-232230-
SPECIAL WEATHER STATEMENT...COR
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
12:05 AM PST WED FEB 23 2000
...STORM TOTALS THROUGH 11 AM WEDNESDAY WITH CORRECTED SANTA
BARBARA AIRPORT MISSING REPORT...
SAN LUIS OBISPO COUNTY...
...COASTS AND VALLEYS...
SAN LUIS OBISPO.......................................(0.83).
LOS OSOS..............................................(1.42).
NIPOMO................................................(0.71).
ATASCADERO HILLS......................................(1.26).
SANTA MARGARITA.......................................(1.60).
CARRIZO PLAIN.........................................(1.35).
...FOOTHILLS AND MOUNTAINS...
SHELL PEAK............................................(1.14).
DAVIS PEAK (FOOTHILLS NEAR SAN LUIS OBISPO)...........(0.91).
SANTA MARGARITA BOOSTER...............................(1.60).
SANTA BARBARA COUNTY...
SANTA BARBARA COUNTY
...COASTS AND VALLEYS...
SANTA BARBARA AIRPORT.................................(2.30).
SANTA BARBARA (FLOOD CONTROL).........................(2.24).
GOLETA................................................(2.17).
CARPINTERIA (FIRE STATION)............................(1.93).
SANTA MARIA...........................................(1.23).
BUELLTON..............................................(1.26).
LOS PRIETOS...........................................(2.42).
...FOOTHILLS AND MOUNTAINS...
MONTECITO (HILLS).....................................(2.44).
GIBRALTAR DAM.........................................(3.35).
SAN MARCOS PASS.......................................(2.76).
OLD MAN MOUNTAIN......................................(2.60).
LA CUMBRE PEAK........................................(2.20).
REFUGIO PASS..........................................(2.56).
VENTURA COUNTY...
...COASTS AND VALLEYS...
SANTA PAULA CREEK.....................................(2.64).
LAKE CASITAS DAM......................................(2.05).
MOORPARK (COLLEGE)....................................(0.94).
STEWART CANYON (NEAR OJAI)............................(1.34).
VENTURA (COUNTY CENTER)...............................(1.89).
EL RIO................................................(1.22).
OAK VIEW..............................................(2.36).
CANADA LARGA..........................................(2.09).
...FOOTHILLS AND MOUNTAINS...
MATILIJA UPPER CANYON.................................(1.61).
ROSE VALLEY...........................................(2.48).
CIRCLE X RANCH (ABOVE NEWBURY PARK)...................(1.26).
LA GRANADA MOUNTAIN...................................(2.13).
ROCKY PEAK............................................(0.87).
SISAR PEAK............................................(2.09).
LOS ANGELES COUNTY...
...COASTS AND VALLEYS...
L.A. DOWNTOWN/USC.....................................(0.49).
LOS ANGELES AIRPORT...................................(0.36).
LONG BEACH............................................(0.19).
BURBANK...............................................(0.40).
VAN NUYS..............................................(0.21).
NEWHALL...............................................(0.65).
MONTE NIDO FIRE STATION (NEAR MALIBU).................(1.14).
BEL AIR...............................................(0.75).
BEVERLY HILLS.........................................(0.60).
DOMINGUEZ HILLS.......................................(0.43).
AGOURA................................................(1.06).
CHATSWORTH............................................(0.44).
CANOGA PARK...........................................(0.35).
SEPULVEDA CANYON......................................(0.98).
EAGLE ROCK............................................(0.67).
...FOOTHILLS AND MOUNTAINS...
MILL CREEK SUMMIT.....................................(0.91).
SANDBERG..............................................(0.57).
COGSWELL DAM..........................................(0.87).
SIERRA MADRE..........................................(0.51).
SAN GABRIEL DAM.............. .........................(0.43).
SANTA ANITA DAM.......................................(0.55).
BIG TUJUNGA DAM.......................................(0.35).
BOWERSpecial weather statement, Feb 23, 12:20 PM PST, 1 hour before
CAZ034>041-044>047-051>054-059-232230- SPECIAL WEATHER STATEMENT...COR NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1220 PM PST WED FEB 23 2000 ...STORM TOTALS THROUGH 11 AM WEDNESDAY WITH CORRECTED TIME SANTA BARBARA AIRPORT MISSING REPORT... SAN LUIS OBISPO COUNTY... ...COASTS AND VALLEYS... SAN LUIS OBISPO.......................................(0.83). LOS OSOS..............................................(1.42). NIPOMO................................................(0.71). ATASCADERO HILLS......................................(1.26). SANTA MARGARITA.......................................(1.60). CARRIZO PLAIN.........................................(1.35). ...FOOTHILLS AND MOUNTAINS... SHELL PEAK............................................(1.14). DAVIS PEAK (FOOTHILLS NEAR SAN LUIS OBISPO)...........(0.91). SANTA MARGARITA BOOSTER...............................(1.60). SANTA BARBARA COUNTY... SANTA BARBARA COUNTY ...COASTS AND VALLEYS... SANTA BARBARA AIRPORT.................................(2.30). SANTA BARBARA (FLOOD CONTROL).........................(2.24). GOLETA................................................(2.17). CARPINTERIA (FIRE STATION)............................(1.93). SANTA MARIA...........................................(1.23). BUELLTON..............................................(1.26). LOS PRIETOS...........................................(2.42). ...FOOTHILLS AND MOUNTAINS... MONTECITO (HILLS).....................................(2.44). GIBRALTAR DAM.........................................(3.35). SAN MARCOS PASS.......................................(2.76). OLD MAN MOUNTAIN......................................(2.60). LA CUMBRE PEAK........................................(2.20). REFUGIO PASS..........................................(2.56). VENTURA COUNTY... ...COASTS AND VALLEYS... SANTA PAULA CREEK.....................................(2.64). LAKE CASITAS DAM......................................(2.05). MOORPARK (COLLEGE)....................................(0.94). STEWART CANYON (NEAR OJAI)............................(1.34). VENTURA (COUNTY CENTER)...............................(1.89). EL RIO................................................(1.22). OAK VIEW..............................................(2.36). CANADA LARGA..........................................(2.09). ...FOOTHILLS AND MOUNTAINS... MATILIJA UPPER CANYON.................................(1.61). ROSE VALLEY...........................................(2.48). CIRCLE X RANCH (ABOVE NEWBURY PARK)...................(1.26). LA GRANADA MOUNTAIN...................................(2.13). ROCKY PEAK............................................(0.87). SISAR PEAK............................................(2.09). LOS ANGELES COUNTY... ...COASTS AND VALLEYS... L.A. DOWNTOWN/USC.....................................(0.49). LOS ANGELES AIRPORT...................................(0.36). LONG BEACH............................................(0.19). BURBANK...............................................(0.40). VAN NUYS..............................................(0.21). NEWHALL...............................................(0.65). MONTE NIDO FIRE STATION (NEAR MALIBU).................(1.14). BEL AIR...............................................(0.75). BEVERLY HILLS.........................................(0.60). DOMINGUEZ HILLS.......................................(0.43). AGOURA................................................(1.06). CHATSWORTH............................................(0.44). CANOGA PARK...........................................(0.35). SEPULVEDA CANYON......................................(0.98). EAGLE ROCK............................................(0.67). ...FOOTHILLS AND MOUNTAINS... MILL CREEK SUMMIT.....................................(0.91). SANDBERG..............................................(0.57). COGSWELL DAM..........................................(0.87). SIERRA MADRE..........................................(0.51). SAN GABRIEL DAM.......................................(0.43). SANTA ANITA DAM.......................................(0.55). BIG TUJUNGA DAM.......................................(0.35). BOWER
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 11:30 AM PST | Flash Flood Warning | LOX | Los Angeles | 2 hr |
Nearby
Flash Flood Warnings in California, 2000Every flash flood warning in 2000
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.