A convective storm brought heavy rain to Concho.
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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 FGZ wrote it up.
A convective storm brought heavy rain to Concho.
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 Jun 28, 9:30 AM MST, 5 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 930 AM MST THU JUN 28 2012 .SYNOPSIS...FOR TODAY...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED WEST OF A LINE FROM HEBER TO CANYON DE CHELLY WITH SCATTERED SHOWERS AND THUNDERSTORMS TO THE EAST. EXPECT WELL ABOVE NORMAL TEMPERATURES AND MAINLY DRY CONDITIONS WITH A SLIGHT CHANCE OF THUNDERSTORMS MAINLY FOR PORTIONS OF NAVAJO AND APACHE COUNTIES THROUGH SUNDAY. && .DISCUSSION...SURFACE DEWPOINTS ARE UP AS MUCH AS 9 DEGREES ACROSS NORTHERN ARIZONA THIS MORNING. THE PW FROM THE 12Z KFGZ SOUNDING IS 0.06 INCH LOWER THAN YESTERDAY. THE SATELLITE PW IMAGERY FROM THIS MORNING ALSO SHOWS A WESTWARD PROGRESSION OF MOISTURE THIS MORNING FROM 24 HOURS AGO. WILL EXPAND CHANCE POPS WESTWARD THIS MORNING. UPDATES ON THE WAY. && .PREV DISCUSSION /330 AM MST/... FROM THURSDAY THROUGH SUNDAY...THE HIGH PRESSURE RIDGE IS FORECAST TO FLATTEN AND MOVE TO THE SOUTHEAST OF ARIZONA...AND AT THE SAME TIME A LOW PRESSURE TROUGH IS FORECAST TO MOVING THROUGH THE GREAT BASIN AND NORTHERN ROCKIES. THIS WILL PLACE NORTHERN ARIZONA IN A DRY...AND BREEZY WEST TO SOUTHWEST FLOW...AND WILL BRING A DECREASE IN SHOWERS AND THUNDERSTORMS EXCEPT FOR EXTREME EASTERN ARIZONA WHERE THERE WILL ONLY BE A 10-20 PERCENT CHANCE OR PRECIPITATION. EXPECT HOT AFTERNOON TEMPERATURES TO DEVELOP...REACHING SEVERAL DEGREES ABOVE NORMAL. MONDAY THROUGH WEDNESDAY...THE RIDGE IS FORECAST TO LIFT NORTH AND EAST OF THE AREA...THIS WILL ALLOW FOR MOISTURE TO RETURN TO NORTHERN ARIZONA FROM THE SOUTHEAST...SPREADING WEST AND NORTHWEST IN TIME. THERE IS STILL SOME UNCERTAINTY IN THE FORECAST THIS FAR OUT...HOWEVER THE GFS AND ECMWF ARE INDICATING A SIGNIFICANT MOISTURE INCREASE AND A SLOW INCREASE IN THUNDERSTORM CHANCES BY NEXT TUESDAY. && FOR THE 18Z PACKAGE...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP FROM KPRC-KCMR-K0V7 EASTWARD INTO THIS AFTERNOON...AND MAY PRODUCE GUSTY WINDS IN EXCESS OF 40 KTS AND ISOLATED MVFR CONDITIONS. OTHERWISE...WINDS WILL BE PREDOMINANTLY SW10-15G20KTS. AFTER 03Z...WINDS AND THUNDERSTORM COVERAGE WILL DIMINISH. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER... ISOLATED TO WIDELY SCATTERED SHOWERS WILL DEVELOP TODAY...MAINLY EAST OF FLAGSTAFF...WITH ONLY ISOLATED STORMS POSSIBLE TO THE WEST. ANY STORMS THAT DEVELOP ARE LIKELY TO BE HIGH-BASED WITH GUSTY WINDS AND LIMITED RAINFALL AMOUNTS. DRIER CONDITIONS ARE EXPECTED FRIDAY...ALTHOUGH ISOLATED THUNDERSTORMS COULD STILL AFFECT EASTERN ARIZONA. SATURDAY THROUGH MONDAY...DRY WEST TO SOUTHWEST FLOW ALOFT WILL RESULT IN ONLY A SLIGHT CHANCE OF THUNDERSTORMS MAINLY OVER EASTERN ARIZONA. EXPECT LOW HUMIDITY...ABOVE NORMAL TEMPERATURES...AND BREEZY SOUTHWEST WINDS EACH AFTERNOON. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC.........MAS/TC AVIATION.......KD FIRE WEATHER...KD FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 429 AM MST THU JUN 28 2012 AZZ004>018-037>040-290715- 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- 429 AM MST THU JUN 28 2012 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 MOISTURE WILL PERSIST OVER EASTERN ARIZONA TODAY WITH SCATTERED AFTERNOON AND EVENING THUNDERSTORMS EXPECTED ACROSS NAVAJO AND APACHE COUNTIES. ONLY A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE FOUND OVER AREAS FARTHER WEST SUCH AS PRESCOTT...FLAGSTAFF AND GRAND CANYON. IMPACTS... FREQUENT LIGHTNING AND LIMITED RAINFALL MAY PRODUCE LIGHTNING CAUSED FOREST FIRE STARTS. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS...AND POSSIBLY SMALL HAIL. ALTHOUGH BEAUTIFUL AND FLASHY...LIGHTNING IS ONE OF THE NATIONS DEADLIEST WEATHER PHENOMENA...SEEK SHELTER IN A SUBSTANTIAL BUILDING OR A HARD TOPPED VEHICLE. WAIT 30 MINUTES AFTER THE LAST RUMBLE OF THUNDER IS HEARD BEFORE RESUMING OUTDOOR ACTIVITIES. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY FRIDAY THROUGH SUNDAY...A DRYING TREND IS EXPECTED WITH MAINLY ISOLATED THUNDERSTORMS OVER PORTIONS OF APACHE COUNTY. EXPECT ABOVE NORMAL TEMPERATURES AND MAINLY DRY CONDITIONS. MONDAY THROUGH WEDNESDAY...A MOIST SOUTHERLY FLOW IS FORECAST TO RETURN TO THE AREA...WITH INCREASING MOISTURE...COMES INCREASING THUNDERSTORMS CHANCES EACH DAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
A trained spotter in Concho reported 0.40 inches of rain in thirty minutes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2012Every state in 2012This day in weather historyWarnings in Arizona, June 2012
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: 395914.