1 heavy rain, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
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 Apr 2, 3:00 PM PST, 0 minutes earlier.
INTERIOR CENTRAL CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
300 PM PST WED APR 2 2003
SCATTERED SHOWERS CONTINUE TO AFFECT MUCH OF THE CWA THIS AFTERNOON.
WEATHER SPOTTERS HAVE REPORTED PEA SIZE HAIL WITH MANY OF THE
SHOWERS. MODELS SHOW ANOTHER SHORT WAVE MOVING THROUGH THE AREA
OVERNIGHT. THINK SHOWER ACTIVITY WILL CONTINUE INTO THE EARLY
EVENING BUT QUICKLY DIMINISH BY MIDNIGHT. DRYING TREND FOR MUCH OF
THE AREA THURSDAY. BUT WILL LEAVE A SLIGHT CHANCE OF SHRA FOR
YOSEMITE AS ANOTHER VORT MAX IS PROG TO MOVE THROUGH NORCAL. THE
NEXT PACIFIC STORM SYSTEM IS EXPECTED TO MOVE INTO NORTHERN
CALIFORNIA THURSDAY NIGHT AND INTO THE SAN JOAQUIN VALLEY AND
SOUTHERN SIERRA NEVADA FRIDAY MORNING. RAINFALL AMOUNTS OVER THE
SIERRA MAY REACH WINTER STORMS CRITERIA THROUGH FRIDAY NIGHT. HENCE
WILL ISSUE A WINTER STORM WATCH FOR THE SOUTHERN SIERRA FOR FRIDAY.
EXPECT LOTS OF LOW LEVEL MOISTURE SATURDAY WITH SOME LINGERING
SHOWERS ESPECIALLY ALONG THE FOOTHILLS AND TEHACHAPIS. OTHERWISE
CLEARING DURING SATURDAY AFTERNOON. SURFACE PRESSURE GRADIENTS IN
THE MOJAVE HAVE BEEN WEAKENING SO WILL LET THE WIND ADVISORY EXPIRE
AT 400 PM.
FOR THE EXTENDED FORECAST PERIOD FROM SUNDAY THROUGH WEDNESDAY...
THE MEDIUM-RANGE MODELS ARE IN AGREEMENT WITH RIDGING OVER THE WEST
COAST THROUGH TUESDAY MORNING...THEN DIFFERENCES BETWEEN THE GFS AND
THE OTHER MEDIUM-RANGE MODELS EMERGE. THE GFS IS MORE PROGRESSIVE
THAN THE OTHER MODELS WITH THE NEXT SYSTEM DROPPING OUT OF THE GULF
OF ALASKA...BRINGING THE TROUGH INTO CALIFORNIA WEDNESDAY/WEDNESDAY
NIGHT. THE OTHER MODELS ARE ABOUT A DAY SLOWER WITH THE TROUGH...
DEEPENING THE TROUGH AS IT SLOWS. HAVE GONE WITH THE SLOWER MODELS
AND KEPT DAY 7 DRY...BUT HAVE INCREASED CLOUDS OVER THE SOUTHERN
SIERRA NEVADA AS OVERRUNNING MID- AND HIGH-LEVEL MOISTURE MOVES INTO
THE HANFORD WARNING/FORECAST AREA AHEAD OF THE TROUGH.
500-MB HEIGHTS ARE FORECAST TO RISE BY ABOUT 120 METERS FROM 00Z
SUNDAY TO 00Z MONDAY...THEN ANOTHER 60-80 METERS MONDAY.
TEMPERATURES IN THE MOUNTAINS/DESERTS WILL WARM 5-7 DEGREES SUNDAY...
AND AGAIN MONDAY. IN THE SAN JOAQUIN VALLEY...THE WARMING TREND WILL
DEPEND ON HOW QUICKLY THE AIRMASS MIXES OUT...BUT EXPECT A SLOWER
RISE IN TEMPERATURES THAN AT THE HIGHER ELEVATIONS.
THE WARMING TREND WILL CONTINUE TUESDAY TO A LESSER EXTENT AS THE
RIDGE WEAKENS IN RESPONSE TO THE APPROACHING TROUGH. WILL LEVEL OFF
TEMPERATURES WEDNESDAY AS OVERRUNNING MID AND HIGH CLOUDS BLOCK
SOLAR HEATING. DEPENDING HOW FAST THE RIDGE GIVES WAY TO THE
TROUGH...COULD SEE THE NEXT ROUND OF COOLING BEGIN AS SOON AS
WEDNESDAY AFTERNOON.
.HNX......WINTER STORM WATCH FRIDAY FOR THE SOUTHERN SIERRA
NEVADA NORTH OF KERN COUNTY.
MV/SANGERCAZ089>099-031230- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 530 AM PST WED APR 2 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CALIFORNIA INTERIOR. .DAY ONE...TODAY A WIND ADVISORY REMAINS IN EFFECT TODAY FOR THE KERN COUNTY MOUNTAINS AND DESERTS. SOUTHWEST TO WEST WINDS WILL INCREASE LATER THIS MORNING TO SPEEDS IN THE 25 TO 40 MPH RANGE...WITH GUSTS TO OVER 60 MPH. THE WINDS ARE EXPECTED TO DIMINISH BY LATE IN THE DAY. REFER TO LATEST WIND ADVISORY FOR ADDITIONAL INFORMATION...(SFONPWHNX WWUS76 KHNX). .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Poor visibilities in a short-lived driving rain led to indirect damage of $50K as cars collided on a Visalia freeway. It was reported 17 vehicles were involved as 0.35" of rain fell in a very short period of time in and around the city.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2003Every state in 2003This day in weather historyWarnings in California, April 2003
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: 5350585.