California, 2004

Strong Wind in California, February 18 to 19, 2004

February 18 to 19, 2004 · NWS HNX · 3 events in 3 counties and zones

Post-frontal northwest wind affected the Kern County Mountains and Deserts beginning late on the 18th.

The toll

Deaths
0
Injuries
0
Property damage
$3,000
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS HNX wrote it up.

Post-frontal northwest wind affected the Kern County Mountains and Deserts beginning late on the 18th.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hanford, CA wrote its last area forecast discussion before the first event at Feb 18, 10:00 AM PST, 13 minutes earlier.

Area forecast discussion, Feb 18, 10:00 AM PST, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
1000 AM PST WED FEB 18 2004

.SHORT TERM...FOR THE CENTRAL CALIFORNIA INTERIOR...BUSY MORNING
WITH UPDATES TO ZONE PACKAGE. SATELLITE AND RADAR IMAGERY SHOWING
PREFRONTAL PRECIP ACROSS KERN CO. HEAVY OROGRAPHICAL PRECIP STILL
CONTINUING ACROSS THE SIERNEV UNDERNEATH MOIST SW JET ALOFT. SFC
OBS SUGGEST COLD FRONTAL BOUNDARY IS NOW ALIGNED ROUGHLY FROM
COALINGA TO MADERA WHERE WINDS HAVE SHIFTED TO A MORE WESTERLY
DIRECTION. ALSO EVIDENT ON SAT IMAGERY IS PARTIAL CLEARING ON THE
WEST SIDE OF THE SJ VLY WITH CELLULAR CU FORMATION. WILL NEED TO
WATCH THIS PARTICULAR AREA FOR CONVECTIVE DEVELOPMENT DURING THE
NEXT COUPLE OF HRS WHILE UPR LVL TROF MOVES INLAND. MODEL SOUNDINGS
FORECAST LIFTED INDICES BETWEEN -1 AND -2 BY 21Z WITH CAPES APPRCHG
700 JOULES/KG ON THE WEST SIDE. 500 MB TEMPS ASSOCIATED WITH THIS
TROF ARE NEAR -26C. ALTHO THE BRUNT OF COLD ADVECTION ALOFT WILL
BE ESSENTIALLY OVER WITH AFTER 21Z...CONTINUED WARMING IN THE VALLEY
WITH STEEPENING LAPSE RATES COULD TRIGGER ISOLD TSTMS THIS AFTN
WITH POTENTIALLY LARGE HAIL AND HEAVY RAIN. THE TRIGGER TEMP FOR
VALLEY CONVECTION IS 62 DEGREES...SO WILL KEEP A CLOSE EYE ON THE
SITUATION.  THE LATEST FORECAST FROM SPC PUTS MUCH OF OUR CWA...
WITH THE EXCEPTION OF THE KERN CO MTNS AND DESERT...UNDER A SLIGHT
RISK OF SVR TSTMS TODAY.

MEANWHILE...SPOTTER REPORTS CONFIRM SNOW LEVELS HAVE FALLEN BETWEEN
5K AND 6K FT IN THE SIERNEV...AND DOWN TO 6K FT IN THE TEHACHAPI
MTNS. TEMP ADJUSTMENTS WERE MADE ACCORDINGLY TO THE ZONES. PRECIP
SHOULD BEGIN TO DIMINISH IN THE MTNS EARLY TONIGHT AS THE UPR LEVEL
TROF MOVES INTO THE GREAT BASIN. AS THE ATMOSPHERE STABILIZES...
SHOWER AND/OR TSTM ACTIVITY WILL ALSO COME TO AN END OVER THE
REMAINDER OF THE CWA.

.LONG TERM...FOR SATURDAY THROUGH TUESDAY...PROGS INDICATE AN ACTIVE
WEATHER PATTERN WILL CONTINUE ACROSS THE PACIFIC DURING THIS PERIOD.
THE POLAR JET OVER THE EASTERN PACIFIC WILL CONTINUE NEAR
SUBTROPICAL LATITUDES ALLOWING PACIFIC STORM SYSTEMS TO MOVE FURTHER
SOUTH TOWARD SOUTHERN CALIFORNIA. PRECIPITATION SHOULD DIMINISH IN
THE CENTRAL CALIFORNIA INTERIOR SATURDAY AS A LOW PRESSURE SYSTEM
MOVES INTO THE INTERIOR SOUTHWEST. ANOTHER SYSTEM WILL MOVE TO THE
CALIFORNIA COAST SUNDAY. THIS SYSTEM IS A PROGRESSIVE SYSTEM AND
SHOULD QUICKLY PASS THROUGH. A BRIEF BREAK MONDAY. A DEEPER AND
POSITIVE TILTED LOW WILL AFFECT CENTRAL AND SOUTHERN CALIFORNIA
TUESDAY. TIMING OF THESE SYSTEMS STILL A LITTLE UNCERTAIN ...SO WILL
CONTINUE WITH A BROAD BRUSH APPROACH WITH CHANCE OF PRECIPITATION
EACH DAY SUNDAY THROUGH TUESDAY.

&&

.HNX WATCHES/WARNINGS/ADVISORIES...WINTER STORM WARNING FOR THE
SOUTHERN SIERRA NEVADA FROM YOSEMITE PARK TO THE KERN COUNTY LINE
UNTIL 600 PM TODAY.

&&

DURFEE/MV
Hazardous weather outlook, Feb 18, 5:00 AM PST, 5 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
500 AM PST WED FEB 18 2004

CAZ089>095-098-099-191300-
WEST CENTRAL SAN JOAQUIN VALLEY-EAST CENTRAL SAN JOAQUIN VALLEY-
SOUTHWESTERN SAN JOAQUIN VALLEY-SOUTHEASTERN SAN JOAQUIN VALLEY-
MARIPOSA MADERA AND FRESNO COUNTY FOOTHILLS-TULARE COUNTY FOOTHILLS-
KERN COUNTY MOUNTAINS-INDIAN WELLS VALLEY-
SOUTHEASTERN KERN COUNTY DESERT-
500 AM PST WED FEB 18 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL AND SOUTHERN SAN
JOAQUIN VALLEY...THE SIERRA NEVADA AND TULARE COUNTY FOOTHILLS...AND
THE SOUTHEASTERN KERN COUNTY MOUNTAINS AND FOOTHILLS.

.DAY ONE...TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO
THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.

CAZ096-097-191300-
SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON-TULARE COUNTY MOUNTAINS-
429 AM PST WED FEB 18 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SIERRA NEVADA FROM YOSEMITE
TO KINGS CANYON AND THE TULARE COUNTY MOUNTAINS.

.DAY ONE...TODAY

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM UNTIL 6 PM TONIGHT
FOR THE SOUTHERN SIERRA NEVADA FROM YOSEMITE PARK TO THE KERN COUNTY
LINE. FOR FURTHER DETAILS SEE THE WINTER WEATHER MESSAGE...
SFOWSWHNX OR WWUS46 KHNX.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO
THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.

Event by event

3 strong wind. Local standard time, as filed.

Strong Wind, Indian Wells Vly

When
February 18, 10:13 AM PST to February 19, 4:00 AM PST
Where
Indian Wells Vly forecast zone
Measured
47 kt (54 mph) measured gust
Property damage
$1,000
Reported by
AWOS,ASOS,MESONET,ETC

Strong Wind, Se Kern Cty Desert

When
February 18, 11:16 AM PST to February 19, 4:00 AM PST
Where
Se Kern Cty Desert forecast zone
Measured
50 kt (58 mph) measured gust
Property damage
$1,000
Reported by
AWOS,ASOS,MESONET,ETC

Strong Wind, Kern Cty Mtns

When
February 18, 5:44 PM PST to February 19, 4:00 AM PST
Where
Kern Cty Mtns forecast zone
Measured
54 kt (62 mph) measured gust
Property damage
$1,000
Reported by
AWOS,ASOS,MESONET,ETC

What these are

Strong Wind
Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2004Every state in 2004This day in weather historyWarnings in California, February 2004

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5384951, 5384952, 5384950.