1 funnel cloud, 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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Apr 23, 3:00 PM MST, 1 hour 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF 300 PM MST SAT APR 23 2005 .SYNOPSIS...A STRONG LOW PRESSURE SYSTEM AND COLD FRONT WILL APPROACH ARIZONA THIS EVENING AND MOVE ACROSS THE STATE ON SUNDAY. EXPECT SHOWERS AND THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING. SHOWERS WILL SPREAD ACROSS THE STATE OVERNIGHT AND CONTINUE ON SUNDAY. AFTERNOON TEMPERATURES WILL COOL CONSIDERABLY ON SUNDAY...WITH IMPROVING CONDITIONS BY EARLY NEXT WEEK. && .DISCUSSION...PARTLY CLOUDY SKIES ACROSS THE REGION THIS AFTERNOON. SHOWERS AND THUNDERSTORMS ARE BEGINNING TO DEVELOP ACROSS THE WESTERN AND SOUTHERN PORTIONS OF THE STATE. THESE ARE EXPECTED TO CONTINUE TO INCREASE IN COVERAGE AND INTENSITY THIS AFTERNOON AND EVENING AND A FEW MAY PRODUCE STRONG WINDS AND SMALL HAIL. APPROACHING SYSTEM WILL HAVE A STRONG DIVQ SIGNATURE ALONG WITH MODERATE OROGRAPHICS...STEEP LAPSE RATES...AND INCREASING MOISTURE RESULTING IN WIDESPREAD LIGHT TO MODERATE RAINFALL OVERNIGHT. SNOW LEVELS WILL BE QUITE HIGH THIS AFTERNOON AND EVENING BUT WILL PLUMMET RAPIDLY WITH THE PASSAGE OF THE COLD FRONT. EXPECT THE FRONT TO ENTER WRN AZ LATE THIS EVENING AND QUICKLY MOVE ACROSS THE STATE TO THE ERN BORDER BY EARLY SUNDAY. SNOW LEVELS ARE EXPECTED TO FALL TO AROUND 7000 FEET WITH THE FRONTAL PASSAGE...AND COULD BRIEFLY FALL EVEN LOWER IF THERE IS ENOUGH STRONG CONVECTION ASSOCIATED WITH THE FRONT. SNOWFALL ACCUMULATIONS ARE EXPECTED TO BE VERY LIGHT SINCE THE CHANGEOVER TO SNOW WILL OCCUR AFTER THE BULK OF THE PCPN HAS ALREADY FALLEN. STEEP LAPSE RATES AND ABUNDANT MOISTURE REMAIN ACROSS AZ ON SUNDAY SO THAT EVEN WITH SUBSIDENCE MOVING ACROSS THE AREA DAYTIME HEATING WILL BE SUFFICIENT TO GENERATE SCATTERED SHOWERS. SNOW LEVELS ARE EXPECTED TO RISE DURING THE DAY SO AGAIN LITTLE OR NO ACCUMULATION EXPECTED. WESTERLY FLOW DEVELOPS ON MONDAY AND BRINGS CLEARING SKIES AND WARMER TEMPS. NEXT SYSTEM APPROACHES THE SOUTHWEST IN THE LATTER HALF OF THE WEEK BRINGING INCREASING WINDS AND CLOUDS ALONG WITH A CHANCE OF PCPN. DB && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 745 AM MST SAT APR 23 2005 AZZ004>018-037>040-241400- WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS- YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS- MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD- NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264- CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY- 745 AM MST SAT APR 23 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY SOUTHWEST WINDS WILL INCREASE ACROSS THE AREA TODAY...ESPECIALLY SOUTH OF THE MOGOLLON RIM. WIND SPEEDS BY THIS AFTERNOON WILL RANGE FROM 15 TO 25 MPH...WITH GUSTS AROUND 35 MPH AT TIMES. MOISTURE MOVING FROM THE SOUTH WILL ALSO INCREASE THROUGHOUT THE DAY WITH SKIES BECOMING OVERCAST BY AFTERNOON. THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS BY AFTERNOON...ESPECIALLY SOUTH AND WEST OF FLAGSTAFF. SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE AND START TO SPREAD WEST LATE IN THE DAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY WIDESPREAD RAIN SHOWERS ARE EXPECTED OVERNIGHT WITH THE HEAVIEST AMOUNTS ALONG THE MOGOLLON RIM TO THE WHITE MOUNTAINS WHERE AS MUCH AS THREE QUARTERS OF AN INCH OF RAIN MAY FALL. SNOW LEVELS WILL FALL THROUGH THE NIGHT...WITH WET SNOW FALLING AS LOW AS 7200 FEET BY SUNDAY MORNING. PRECIPITATION WILL BECOME MORE SHOWERY THROUGH THE DAY SUNDAY...WITH THUNDERSTORMS AGAIN POSSIBLE SUNDAY AFTERNOON.
The Flagstaff radar (KFSX), 150 km away, was scanning. The volume nearest the first event began at 23:40 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was sighted east of Lake Mary Road in southeast Flagstaff.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2005Every state in 2005This day in weather historyWarnings in Arizona, April 2005
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: 5443511.