High based showers and thunderstorms did not produce rainfall, but gusty winds did occur. Some of these winds resulted in minor damage.
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 episode as NWS TWC wrote it up.
High based showers and thunderstorms did not produce rainfall, but gusty winds did occur. Some of these winds resulted in minor damage.
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 Tucson, AZ wrote its last area forecast discussion before the first event at Jun 29, 9:10 AM MST, 4 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 910 AM MST FRI JUN 29 2012 .SYNOPSIS...ISOLATED SHOWERS AND THUNDERSTORMS THROUGH THE WEEKEND...MAINLY NEAR THE MOUNTAINS AND NEAR THE INTERNATIONAL BORDER. A STRONG IMPULSE WILL MOVE INTO THE AREA FROM THE SOUTHEAST NEXT WEEK...WITH A MARKED INCREASE IN SHOWERS AND THUNDERSTORMS BY TUESDAY AND WEDNESDAY. && .DISCUSSION...UPPER HIGH CENTERED OVER WEST CENTRAL NEW MEXICO THIS MORNING WILL BECOME CENTERED OVER SE AZ TONIGHT AND CONTINUE TO BE OVER THE AREA THIS WEEKEND. THERE WILL STILL BE ENOUGH MOISTURE TO JUSTIFY A SLIGHT CHANCE OF AFTERNOON AND EVENING SHOWERS/TSTMS MAINLY NEAR THE MOUNTAINS TODAY THRU SUNDAY. ANOTHER FAVORED AREA FOR PRECIP WILL BE NEAR THE INTERNATIONAL BORDER ADJACENT COCHISE/ SANTA CRUZ COUNTIES. MON... UPPER HIGH IS PROGGED TO MIGRATE TOWARD THE FOUR CORNERS REGION. INCREASED MOISTURE WILL SUPPORT SCATTERED-COVERAGE OF SHOWERS/TSTMS FROM TUCSON EWD/SWD MON AFTERNOON AND MON EVENING. A SLIGHT CHANCE OF AFTERNOON AND EVENING SHOWERS/TSTMS WILL EXIST ACROSS WRN PIMA COUNTY. TUE-THUR... 29/00Z GFS/ECMWF WERE SIMILAR WITH MOVING INVERTED TROUGH NWWD ACROSS CHIHUAHUA AND EVENTUALLY INTO SRN ARIZONA. THE INHERITED OFFICIAL FORECAST DEPICTS HIGH-CHANCE CATEGORY POPS FROM TUCSON EWD/SWD DURING THE AFTERNOON AND EVENING HOURS. THERE WILL BE A SLIGHT CHANCE OF MAINLY AFTERNOON AND EVENING SHOWERS/TSTMS ACROSS WRN PIMA COUNTY. HIGH TEMPS TODAY-SUN TO AVERAGE ABOUT 5 DEGS F ABOVE NORMAL. A FEW DEGREES OF COOLING WILL OCCUR MON FOLLOWED BY MORE SIGNIFICANT COOLING ON INDEPENDENCE DAY. && .AVIATION...ISOLD-SCT TSRA/SHRA EAST AND SOUTH OF KTUS THIS AFTERNOON AND THIS EVENING. OTHERWISE...VFR CONDITIONS WITH SURFACE WIND GENERALLY LESS THAN 10 KTS THRU SATURDAY MORNING OR 30/12Z. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS. && .FIRE WEATHER...STRONG HIGH PRESSURE ALOFT WILL LIMIT AFTERNOON AND EVENING THUNDERSTORMS TO MAINLY NEAR THE MOUNTAINS THROUGH SUNDAY. NORMAL DIURNAL WIND TRENDS OUTSIDE OF THUNDERSTORM OUTFLOWS. A MARKED INCREASE IN SHOWERS AND THUNDERSTORMS WILL OCCUR NEXT WEEK AS AN UPPER LEVEL IMPULSE APPROACHES FROM THE SOUTHEAST. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. WEATHER.GOV/TUCSON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 518 AM MST FRI JUN 29 2012 AZZ501>515-301230- WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION- UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTH CENTRAL PINAL COUNTY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS- 518 AM MST FRI JUN 29 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS THIS AFTERNOON AND EVENING...MAINLY NEAR THE MOUNTAINS AS WELL AS FAR EASTERN AND SOUTHERN AREAS. STRONGER STORMS WILL GENERATE STRONG GUSTY OUTFLOW WINDS NEAR 45 MPH WITH AREAS OF BLOWING DUST POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY LOWER LEVELS OF STORM ACTIVITY OVER THE WEEKEND. A STRONG IMPULSE MOVING IN FROM THE EAST NEXT WEEK IS EXPECTED TO BRING A MUCH BETTER CHANCE OF SHOWERS AND THUNDERSTORMS BY TUESDAY AND WEDNESDAY. STRONG THUNDERSTORMS WITH HEAVY RAINFALL A CONCERN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. WEATHER.GOV/TUCSON
The national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
Gusty winds blew the awning off the front of a mobile home near Ajo and Interstate 19.
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: 392912.