California, 2003

Heavy Rain in California, April 17, 2003

April 17, 2003 · NWS HNX · 2 events in 2 counties and zones

41" of rain within a 25-minute period on the 17th. Numerous thunderstorm rain events produced urban street flooding in several Central and Southern San Joaquin Valley communities.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

A thunderstorm occurring at the Fresno Air Terminal dumped 0.41" of rain within a 25-minute period on the 17th. Numerous thunderstorm rain events produced urban street flooding in several Central and Southern San Joaquin Valley communities.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

2 heavy rain. Local standard time, as filed.

Heavy Rain, Tulare

When
April 17, 3:00 PM PST to 11:00 PM PST
Where
Tulare County, Visalia
Reported by
TRAINED SPOTTER
Coordinates
36.220, -118.800 (the zone’s center; the record gives no point)

Heavy Rain, Fresno

When
April 17, 6:07 PM PST to 7:00 PM PST
Where
Fresno County, (Fat) Air Terminal
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
36.758, -119.649 (the zone’s center; the record gives no point)

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

More

Every storm in California in 2003Every state in 2003This day in weather historyWarnings in California, April 2003

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 2026-09-30. Each event’s entry at NCEI: 5350576, 5350575.