Lightning stuck one house and also knocked out power to street lights.
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 episode as NWS FGZ wrote it up.
Lightning stuck one house and also knocked out power to street lights.
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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Jul 17, 3:33 PM MST, 2 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 333 PM MST FRI JUL 17 2009 .SYNOPSIS...STRONG HIGH PRESSURE WILL CONTINUE TO BRING VERY WARM TEMPERATURES TO NORTHERN ARIZONA ALONG WITH A SLIGHT CHANCE FOR SHOWERS AND THUNDERSTORMS OVER THE NEXT SEVERAL DAYS. && .DISCUSSION...SCATTERED THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ACROSS THE WHITE MOUNTAINS AND NORTHERN GILA COUNTY...WITH VERY ISOLATED SHOWERS ELSEWHERE. BY THE END OF THIS AFTERNOON...A FEW LOCATIONS WILL LIKELY HAVE MET OR EXCEEDED RECORD HIGH TEMPERATURES FOR THE DAY. THIS IS OCCURRING AS VERY STRONG MID-LEVEL HIGH PRESSURE REMAINS CENTERED OVER NORTHERN ARIZONA. THIS STRONG HIGH PRESSURE WILL REMAIN CENTERED NEAR THE STATE FOR THE NEXT SEVERAL DAYS...AND WELL ABOVE NORMAL DAYTIME TEMPS ALONG WITH THE POTENTIAL FOR A FEW MORE RECORDS CAN BE ANTICIPATED. THE BEST CHANCES FOR PRECIPITATION INTO EARLY NEXT WEEK SHOULD BE CONFINED TO AREAS ALONG THE MOGOLLON RIM AND WHITE MOUNTAINS AND POINTS TO THE SOUTH AND WEST. STILL...HAVE LIMITED POPS TO BELOW CLIMATOLOGY INTO EARLY NEXT WEEK AS THE POSITION OF THE HIGH DOES NOT SEEM TO ENCOURAGE THE MOST FAVORABLE FLOW PATTERN FOR DEEP MOISTURE ADVECTION INTO THE NORTHLAND. && .AVIATION...FOR THE 00Z PACKAGE...ISOLD SHRA/TSRA WILL BE POSSIBLE THROUGH AROUND 02Z...MOSTLY SOUTH OF A KP23-KFLG-KSJN LINE. THE STRONGER STORMS MAY PRODUCE MVFR OR LOCALIZED IFR CONDITIONS AND WIND GUSTS OVER 30 KT. EXPECT CLEARING SKIES AND LIGHT WIND OVERNIGHT. ISOLATED THUNDERSTORMS WILL REDEVELOP AFTER 18Z SATURDAY OVER GENERALLY THE SAME AREAS AS TODAY. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...TONIGHT THROUGH SUNDAY...HOT HIGH PRESSURE WILL CONTINUE NORTHERN ARIZONA. CONDITIONS FOR AREAS NORTH OF THE MOGOLLON RIM SHOULD BE DRY OVERALL WITH MIN RH VALUES LESS THAN 10 PERCENT...HAINES INDICES AT 6...AND JUST A SLIGHT CHANCE OF MAINLY AFTERNOON HIGH BASED THUNDERSTORMS. AREAS SOUTH OF THE RIM SHOULD SEE WIDELY SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS WITH A BETTER CHANCE OF WETTING RAINS. DAILY HIGH TEMPERATURES WILL REMAIN A 5 TO 10 DEGREES ABOVE NORMAL. MONDAY THROUGH WEDNESDAY...LITTLE CHANGE IN THE LARGE SCALE PATTERN IS SEEN...WITH MOISTURE REMAINING SCARCE NORTH OF THE MOGOLLON RIM. WIDELY SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG AND SOUTH OF THE MOGOLLON RIM...WITH ISOLATED SHOWERS AND THUNDERSTORMS NORTH OF THE MOGOLLON RIM. DAILY HIGH TEMPERATURES WILL CONTINUE TO BE ABOVE NORMAL THROUGH THE PERIOD. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC........................KD AVIATION/FIRE WEATHER.........JJ VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER INFORMATION.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 951 AM MST FRI JUL 17 2009 AZZ004>018-037>040-180715- KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY- COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS- NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY- CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- WESTERN MOGOLLON RIM-EASTERN MOGOLLON RIM-WHITE MOUNTAINS- NORTHERN GILA COUNTY-YAVAPAI COUNTY VALLEYS AND BASINS- OAK CREEK AND SYCAMORE CANYONS-BLACK MESA AREA- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264- 951 AM MST FRI JUL 17 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ARIZONA...NORTH CENTRAL ARIZONA...NORTHEAST ARIZONA AND WEST CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT STRONG HIGH PRESSURE WILL CONTINUE TO BRING VERY WARM TEMPERATURES TO NORTHERN ARIZONA ALONG WITH ISOLATED THUNDERSTORMS. THE GREATEST CHANCES FOR PRECIPITATION WILL BE OVER THE MOGOLLON RIM AND WHITE MOUNTAINS...AND SOUTHWEST INTO YAVAPAI AND NORTHERN GILA COUNTIES. EXPECT THAT THUNDERSTORMS IN THIS REGION COULD BEGIN DEVELOPING IN THESE AREAS BY NOON. SOME THUNDERSTORMS MAY PRODUCE STRONG AND GUSTY WINDS...AND LOCALLY HEAVY RAINFALL AMOUNTS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY STRONG HIGH PRESSURE WILL REMAIN CENTERED NEAR THE FOUR CORNERS STATES OVER THE NEXT SEVERAL DAYS...WITH MUCH WARMER THAN NORMAL DAYTIME TEMPERATURES PERSISTING. EXPECT ONLY A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY...MAINLY FOR AREAS ALONG OR SOUTH AND WEST OF THE MOGOLLON RIM. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Flagstaff radar (KFSX), 39 km away, was scanning. The volume nearest the first event began at 00:34 UTC.
1 lightning. Local standard time, as filed.
Lightning stuck one house and also knocked out power to street lights.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2009Every state in 2009This day in weather historyWarnings in Arizona, July 2009
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: 189774.