1 flash flood, 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 Elko, NV wrote its last area forecast discussion before the first event at Jul 31, 1:00 PM PST, 2 hours earlier.
NORTHERN GREAT BASIN FORECAST DISCUSSION 200 PM PDT THU JUL 31 2003 .SYNOPSIS...THE COMBINATION OF A LOW PRESSURE SYSTEM ALONG THE PACIFIC COAST AND HIGH PRESSURE OVER THE FOUR CORNERS AREA WILL ALLOW MOISTURE TO SPREAD ACROSS EAST CENTRAL AND NORTHEAST NEVADA THROUGH THIS WEEKEND. EARLY NEXT WEEK INCREASING SOUTHWEST FLOW ALOFT WILL BRING DRIER CONDITIONS TO NORTHEAST AND EAST CENTRAL NEVADA. .SHORT TERM...THUNDERSTORM ACTIVITY INCREASING THIS AFTERNOON WITH GOES PW OF 1.4 INCHES OVER SRN NV AND .95 INCHES OVER EAST CENTRAL NV. WOULD LIKE TO SEE WIDESPREAD ACTIVITY TO INCREASE CONFIDENCE IN CURRENT WATCH. BUT THERE REMAINS PLENTY OF TIME TO DEVELOP...SO WILL CONTINUE FLASH FLOOD WATCH. FRI SHOULD SEE CONVECTION SPREAD FURTHER NORTH AS RIDGE AXIS SHIFTS E AND SLY FLOW ALLOWS S/WV TROF TO MIGRATE ACROSS CWA. PAC TROF MOVES INLAND ON SAT WITH MAIN INSTABILITY AREA SHIFTING OVER NE NV. ADDED SUPPORT FROM RRQ OF SLY JET WILL HELP MAINTAIN CONVECTION THRU SAT EVE. .EXTENDED...ON SUN AVN INDICATES AMS DRIES AND BECOMES LESS UNSTABLE...ALTHO AVN LI STILL NEAR ZERO OVER CWA. GENERAL DRYING TREND INDICATED OVER REMAINDER OF WEEK IN SW FLOW ALOFT. AM CONCERNED ABOUT ERN PAC TROF ATTEMPTING TO ROTATE INLAND ON THU. UNTIL WE HAVE BETTER HANDLE ON THIS SYS WILL KEEP DRY FCST FOR WED AND THU. .EKO...NVZ035-037 FLASH FLOOD WATCH CONTINUES THROUGH 1030 PM PDT. EYSSAUTIER
NVZ030>037-011400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ELKO NV 130 PM PDT THU JUL 31 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL NEVADA .DAY ONE... FLASH FLOOD WATCH IN EFFECT FORECAST CENTRAL NEVADA THIS AFTERNOON AND EVENING. THE AFFECTED COUNTIES ARE WHITE PINE... SOUTHERN LANDER AND SOUTHERN EUREKA. SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER EAST CENTRAL NEVADA THIS AFTERNOON WITH HEAVY RAIN SHOWERS POSSIBLE LATE THIS AFTERNOON AND EVENING. SEE WGUS65 KLKN RNOFFALKN FOR DETAILS. .DAYS TWO THROUGH SEVEN... SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE ACROSS NORTHERN AND EAST CENTRAL NEVADA FRIDAY AND SATURDAY...DIMINISHING EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. EYSSAUTIER
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Heavy rains washed mud across road going into the Great Basin National Park.
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: 5379933.