1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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, 2:00 PM PST, 1 hour earlier.
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RENO NV 300 PM PDT THU JUL 31 2003 INVERTED SHORT WAVE TROUGH MOVING NORTHWEST THROUGH WESTERN NEVADA AND EASTERN CALIFORNIA HAD ALREADY HELPED PRODUCE STRONG CONVECTION ALONG THE WESTERN BOUNDARY OF THE FORECAST AREA THIS AFTERNOON. AIR MASS OVER THE REGION...ESPECIALLY SOUTHERN ZONES QUITE WET SO EXPECT MORE CONVECTION INTO THE EVENING AS WEAK SHORTWAVE CONTINUES TO MOVE NORTHWEST. WILL KEEP FLASH FLOOD WATCH OUT. ANOTHER ACTIVE AFTERNOON LIKELY ON FRIDAY AS WEAK UPPER LOW THAT HAS BEEN PARKED OFF THE SOUTHERN CALIFORNIA COAST THE PAST FEW DAYS FINALLY LIFTS OUT TO THE NORTHEAST...AGAIN PRODUCING A SOURCE OF VERTICAL MOTION FOR CONTINUING MOIST AIR OVER THIS REGION. HAVE INCREASED QPF AND POPS SOME FRIDAY AFTERNOON AND EVENING. THIS WEAK LOW OPENS UP INTO A WEAK TROUGH ON SATURDAY BUT IS VERY SLOW TO MOVE NORTHEAST SO THAT CONVECTION WILL LIKELY BE MORE WIDESPREAD ON SATURDAY THAN PREVIOUSLY FORECAST. INCREASED TROUGHING IN THE EASTERN PACIFIC ON SUNDAY FORECAST TO FINALLY BRING DRIER SOUTHWEST FLOW INTO THE REGION. LAMONI IN THE EXTENDED...MONDAY THROUGH THURSDAY...MODELS CONTINUE TO BREAK DOWN THE STRONG UPPER RIDGE BUT WITH A SLIGHTLY SLOWER ADVANCE OF THE THE PACIFIC TROF THAN PREVIOUS RUNS. LOWERING HEIGHTS ALONG WITH A MORE STABLE AND DRIER SOUTHWEST FLOW WILL REDUCE PRECIP CHANCES ACROSS WRN AND SRN ZONES MONDAY. STRONGER FLOW WILL PUSH BEST CHANCES MONDAY INTO ERN CHURCHILL... PERSHING... NRN WASHOE... LASSEN AND MODOC COUNTIES AHEAD OF VORT MAX FORECAST TO EJECT NORTHEAST OUT OF TROF OVER NRN CA AND OREGON MONDAY AFTERNOON. TUESDAY AND WEDNESDAY MAY STILL SEE SLIGHT CHANCE PRECIP FAR NRN WASHOE AND MODOC COUNTIES AHEAD OF WEAK DISTURBANCES MOVING UP INTO OREGON AND IDAHO. ELSEWHERE SOUTHWEST FLOW WILL KEEP ZONES DRY THRU THURSDAY. MAX TEMPERATURES WILL REAMING 3-5 DEGREES BELOW NORMAL...WITH A RETURN TO COMFORTABLE AND NEAR NORMAL MORNING LOWS. BENINATO .REV...FLASH FLOOD WATCH UNTIL 9 PM NVC021-019-005-CAC003-051-
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
CAC061-312215- SPEICAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RENO NV 248 PM PDT THU JUL 31 2003 ...A THUNDERSTORM WITH TORRENTIAL RAIN AND INTENSE LIGHTNING WEST OF LAKE TAHOE... AT 250 PM THE COAST GUARD AT LAKE TAHOE ALONG THE NORTHWEST SHORE NEAR TAHOE CITY REPORTED A THUNDERSTORM WITH VERY HEAVY RAIN AND INTENSE LIGHTNING. ESTIMATES OF UP TO 1/2 INCH OF RAIN IN ONLY 20 MINUTES WERE REPORTED. THE STORM WILL MOVE NORTHWEST AT 20 MPH AND WILL HIT SQUAW VALLEY BY 253 PM PDT AND DONNER PASS BY 310 PM PDT. MOTORISTS SHOULD BE PREPARED FOR 15 TO 20 MINUTES OF HEAVY RAIN AND INTENSE LIGHTNING AS THIS STORM PASSES. JAH
CAZ072-NVZ002-312215- SPEICAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RENO NV 248 PM PDT THU JUL 31 2003 ...A THUNDERSTORM WITH TORRENTIAL RAIN AND INTENSE LIGHTNING WEST OF LAKE TAHOE... AT 250 PM THE COAST GUARD AT LAKE TAHOE ALONG THE NORTHWEST SHORE NEAR TAHOE CITY REPORTED A THUNDERSTORM WITH VERY HEAVY RAIN AND INTENSE LIGHTNING. ESTIMATES OF UP TO 1/2 INCH OF RAIN IN ONLY 20 MINUTES WERE REPORTED. THE STORM WILL MOVE NORTHWEST AT 20 MPH AND WILL HIT SQUAW VALLEY BY 253 PM PDT AND DONNER PASS BY 310 PM PDT. MOTORISTS SHOULD BE PREPARED FOR 15 TO 20 MINUTES OF HEAVY RAIN AND INTENSE LIGHTNING AS THIS STORM PASSES. JAH
The Reno radar (KRGX), 81 km away, was scanning. The volume nearest the first event began at 22:57 UTC.
1 thunderstorm wind. Local standard time, as filed.
The U.S. Forest Service in Sierraville reported thunderstorm wind gusts estimated at 60-70 mph. No damage was reported.
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, 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: 5376093.