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 Reno, NV wrote its last area forecast discussion before the first event at Jul 31, 8:00 AM PST, 4 hours 10 minutes earlier.
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
900 AM PDT THU JUL 31 2003
VERY STRONG HIGH PRESSURE CENTER CONTINUES OVER NORTHERN CALIFORNIA
AND NORTHERN NEVADA THIS MORNING. WEAK INVERTED SHORT WAVE TROUGH
MOVING NORTHWEST FROM OUT OF SOUTHERN NEVADA FORECAST TO BRING GOOD
VERTICAL MOTION TO MOIST AND UNSTABLE AIR RESIDING OVER THE AREA.
DYNAMICS FROM THIS WEAK TROUGH WILL AFFECT MAINLY REGION SOUTH OF
RENO-TAHOE THROUGH THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY
TO THEN INCREASE FROM RENO-TAHOE NORTHWARD DURING THE EVENING AND
RIDGE BREAKS DOWN AND ALLOWS SHORT WAVE TO CONTINUE MOVING
NORTHWARD. PRECIPITATABLE WATER ON DESERT ROCK SOUNDING THIS MORNING
IS NEARLY 1.4 INCHES AND SOME OF THIS DEEP MOISTURE WILL MOVE INTO
AT LEAST THE SOUTHERN PORTION OF THE FORECAST AREA. CURRENT FORECAST
IN GOOD SHAPE AND NO UPDATES THIS MORNING. LAMONI
.REV...FLASH FLOOD WATCH THIS AFTERNOON AND EVENING
CAZ073-NVZ001...SOUTHERN CAZ072-NVZ002 AND SOUTHERN NVZ003.CAZ070>073-NVZ001>005-311400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RENO NV 645 AM PDT THU JUL 31 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NEVADA...THE EASTERN SIERRA AND NORTHEASTERN CALIFORNIA. ...FLASH FLOOD WATCH IN EFFECT UNTIL 9PM THIS EVENING FOR DOUGLAS... MINERAL...SOUTHERN LYON...MONO AND ALPINE COUNTIES... .DAY ONE...TODAY MOIST AND UNSTABLE CONDITIONS OVER WESTERN NEVADA AND EASTERN CALIFORNIA WILL PRODUCE SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. FLASH FLOODING WILL BE A THREAT SOUTH OF HIGHWAY 50...WITH LOCALLY HEAVY RAINFALL TO THE NORTH OF HIGHWAY 50. ADDITIONAL DETAILS CAN BE FOUND IN THE LATEST FLOOD WATCH STATEMENT (WGUS65 KREV). .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY THE MOIST AND UNSTABLE CONDITIONS WILL CONTINUE THROUGH SUNDAY WITH DRIER CONDITION FOR EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION MAY BE REQUIRED FOR THE FLASH FLOOD THREAT THIS AFTERNOON. WEATHER SPOTTERS ARE ASKED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE. BRONG
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
A spotter measured .60 inches of rain in 15 minutes from a thunderstorm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2003Every state in 2003This day in weather historyWarnings in Nevada, July 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: 5376095.