Very heavy rains from thunderstorms caused flash flooding over portions of Antelope Valley. Portions of the Antelope Valley road was covered in water.
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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 episode as NWS LKN wrote it up.
Very heavy rains from thunderstorms caused flash flooding over portions of Antelope Valley. Portions of the Antelope Valley road was covered in water.
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 Sep 16, 2:10 PM PST, 20 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ELKO NV 310 PM PDT FRI SEP 16 2011 .SYNOPSIS...A FRONTAL BOUNDARY WILL MOVE ACROSS NORTHERN NEVADA USHERING IN ADDITIONAL SHOWERS AND THUNDERSTORMS. DRIER WEATHER WILL BE ON TAP FOR SATURDAY AND SUNDAY. WARM AND DRY CONDITIONS WILL CONTINUE THROUGH NEXT FRIDAY. && .SHORT TERM...TONIGHT THROUGH SUNDAY. A STRONG AND FAST MOVING SHORTWAVE WILL CONTINUE TO BARREL ITS WAY ACROSS NEVADA TONIGHT WITH A RE-ENFORCING IMPULSE FOLLOWING IN ITS WAKE. SUFFICIENT INSTABILITY WILL BE PRESENT TONIGHT TO KEPT CONVECTION BROILING WELL INTO THE NIGHT...WITH THE NAM12 DEPICTING WIDESPREAD +600 J/KG OF CAPE COINCIDENT WITH LIFTED INDICES OF -2 TO -3. SIGNIFICANT QPF HAS ALREADY BEEN OBSERVED ACROSS THE LKN CWA IN ASSOCIATION WITH THIS SYSTEM...AND MORE IS PROJECTED AS PWS CONTINUE TO SPIKE ABOVE .75 OF AN INCH. IN THE WAKE OF THE FROPA...SATURDAY AND SUNDAY WILL BE DRY. .LONG TERM...SUNDAY NIGHT THROUGH NEXT FRIDAY. VERY QUIET WEATHER EXPECTED AS SOUTHWEST RIDGE WILL BUILD/EXPAND ACROSS MUCH OF THE WESTERN STATES THIS PERIOD. MODELS ARE IN VERY GOOD AGREEMENT EXCEPT FOR THE GFS WHICH MOVES A SHORT WAVE ACROSS SOUTHERN IDAHO AND INTO NORTHERN NEVADA MONDAY AFTERNOON INTO EARLY TUESDAY. WILL NOT BUY THIS SOLUTION ATTM. DRY AND STABLE CONDITIONS ARE EXPECTED WITH AFTERNOON MAXIMUM TEMPERATURES RUNNING SOME 5 TO 10 DEGREES ABOVE NORMAL FOR THIS TIME OF YEAR. A FEW DIURNAL CLOUDS EXPECTED WITHIN THE NEVADA CONVERGENCE ZONE EACH AFTERNOON. AFTERNOON WINDS TO REACH 10 TO 15 MPH BENEATH THE RIDGE. && .AVIATION...SHOWERS/THUNDERSTORMS RAPIDLY DEVELOPED WITH THE APPROACH OF AN UPPER LEVEL TROUGH/COLD POOL FROM THE WEST LATE THIS MORNING INTO THIS AFTERNOON. THE UPPER TROUGH WILL MOVE THROUGH NORTHERN/CENTRAL NEVADA TONIGHT INTO SATURDAY MORNING. WITH THE LOSS OF HEATING...EXPECT THIS ACTIVITY TO GRADUALLY DIMINISH OVERNIGHT. HOWEVER...A FEW SHOWERS ARE STILL POSSIBLE OVER EXTREME EASTERN ELKO/WHITE PINE COUNTIES TOWARD DAYBREAK SATURDAY. MOVEMENT OF THIS ACTIVITY WAS EAST NORTHEAST AT 10 TO 15 MPH THIS AFTERNOON. && .FIRE WEATHER...A FRONTAL BOUNDARY THAT SPANS FROM ALBERTA TO THE SILVER STATE WILL CONTINUE TO MOVE ACROSS NORTHERN AND CENTRAL NEVADA THIS EVENING...IGNITING THUNDERSTORMS. NUMEROUS RAWS SITES HAVE ALREADY RECORDED SIGNIFICANT QPF. THE RADAR HAS BEEN VERY ACTIVE TODAY FROM 468 ALL THE WAY INTO 455. HAVE ISSUED NUMEROUS SIGNIFICANT WEATHER ADVISORIES FOR THUNDERSTORMS THAT HAVE BEEN JUST BELOW SVR CRITERIA. ALSO ISSUED A FLASH FLOOD WARNING FOR A SECTION OF THE MONITOR RANGE THAT IS CURRENTLY SET TO EXPIRE AT 5 PM PDT. GOOD RH RECOVERY THE NEXT COUPLE OF NIGHTS. SATURDAY THROUGH THURSDAY WILL BE DRY. && .LKN WATCHES/WARNINGS/ADVISORIES... NONE. && 97/89/89/97
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 1252 PM PDT FRI SEP 16 2011 NVZ030-162030- HUMBOLDT COUNTY NV- 1252 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HUMBOLDT COUNTY UNTIL 130 PM PDT... AT 1247 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5 MILES NORTHWEST OF VALMY...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. * LOCATIONS IMPACTED INCLUDE... RURAL SOUTHEASTERN HUMBOLDT COUNTY... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4107 11704 4084 11703 4078 11723 4095 11739 TIME...MOT...LOC 1951Z 251DEG 12KT 4083 11720 PJS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 102 PM PDT FRI SEP 16 2011 NVZ036-037-162045- NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV-SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY NV- 102 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LANDER AND CENTRAL EUREKA COUNTIES UNTIL 145 PM PDT... AT 1256 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES SOUTH OF GRASS VALLEY...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. * LOCATIONS IMPACTED INCLUDE... GRASS VALLEY... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4016 11642 3988 11613 3970 11664 3986 11673 TIME...MOT...LOC 2002Z 247DEG 12KT 3982 11658 PJS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 121 PM PDT FRI SEP 16 2011 NVZ037-162100- SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY NV- 121 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LANDER COUNTY UNTIL 200 PM PDT... AT 119 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11 MILES NORTHWEST OF AUSTIN...MOVING EAST AT 15 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. * LOCATIONS IMPACTED INCLUDE... RURAL CENTRAL LANDER COUNTY NEAR HIGHWAY 305... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3987 11685 3951 11683 3953 11727 3971 11729 TIME...MOT...LOC 2020Z 267DEG 6KT 3963 11716 PJS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 143 PM PDT FRI SEP 16 2011 NVZ037-162115- SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY NV- 143 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN EUREKA COUNTY UNTIL 215 PM PDT... AT 141 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 19 MILES SOUTHEAST OF HICKISON SUMMIT...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. * LOCATIONS IMPACTED INCLUDE... RURAL SOUTHWESTERN EUREKA COUNTY... RURAL SOUTHERN EUREKA COUNTY... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3940 11630 3919 11619 3917 11656 3926 11660 TIME...MOT...LOC 2042Z 249DEG 14KT 3922 11652 PJS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 156 PM PDT FRI SEP 16 2011 NVZ032-035>037-162145- NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV-SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY NV-SOUTHWEST AND SOUTH CENTRAL ELKO COUNTY NV-WHITE PINE COUNTY NV- 156 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN EUREKA...NORTHWESTERN WHITE PINE AND EXTREME SOUTHERN ELKO COUNTIES UNTIL 245 PM PDT... AT 154 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9 MILES NORTH OF GARDEN PASS...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. * LOCATIONS IMPACTED INCLUDE... RURAL EASTERN EUREKA COUNTY... RURAL SOUTHERN ELKO COUNTY... RURAL NORTHWESTERN WHITE PINE COUNTY... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4023 11594 3998 11573 3989 11611 4000 11620 TIME...MOT...LOC 2056Z 243DEG 13KT 3996 11610 PJS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 325 PM PDT FRI SEP 16 2011 NVZ013-035-162315- NORTHERN NYE COUNTY NV-WHITE PINE COUNTY NV- 325 PM PDT FRI SEP 16 2011 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN NYE AND WESTERN WHITE PINE COUNTIES UNTIL 415 PM PDT... AT 319 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES NORTHEAST OF DUCKWATER...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MAINLY RURAL AREAS OF NORTHEASTERN NYE AND SOUTHWESTERN WHITE PINE COUNTIES. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3930 11547 3899 11528 3889 11569 3906 11578 TIME...MOT...LOC 2224Z 249DEG 14KT 3900 11563 PJS
The Elko radar (KLRX), 162 km away, was scanning. The volume nearest the first event began at 22:28 UTC.
1 flash flood. Local standard time, as filed.
Spotter reported rivers running through their property. Later in the day they attempted to drive to Eureka but the Antelope Valley road was covered in water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2011Every state in 2011This day in weather historyWarnings in Nevada, September 2011
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: 339117.