A strong ridge of high pressure developed over California and Arizona for several days. This brought very hot conditions to northern Arizona with many locations breaking daily high temperature records.
Every event with a place to put it; 11 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 FGZ wrote it up.
A strong ridge of high pressure developed over California and Arizona for several days. This brought very hot conditions to northern Arizona with many locations breaking daily high temperature records.
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 7, 3:30 AM MST, 6 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 330 AM MST FRI JUN 7 2013 .SYNOPSIS...EXPECT A SLIGHT CHANCE OF HIGH BASED SHOWERS AND THUNDERSTORMS OVER MOUNTAIN AREAS ON FRIDAY. A BUILDING HIGH PRESSURE RIDGE WILL BRING WARMER TEMPERATURES AND LIGHT TO BREEZY WINDS THROUGH THE WEEKEND. && .DISCUSSION...THE BIG STORY THROUGH THE WEEKEND WILL BE THE BUILDING HEAT ACROSS THE STATE. WE WILL HOLD ON TO JUST ENOUGH MOISTURE TODAY FOR SOME HIGH-BASED CONVECTION...THOUGH THE DEEP AND DRY SUB-CLOUD LAYER SHOULD CAUSE MOST IF NOT ALL PRECIPITATION TO EVAPORATE BEFORE HITTING THE GROUND. THE VIRGA ACTIVITY WILL BE CAPABLE OF PRODUCING LOCALLY GUSTY SURFACE WINDS OF 40 MPH OR GREATER...WITH A SLIGHT CHANCE OF A FEW LIGHTNING STRIKES PRIMARILY OVER THE HIGHER ELEVATIONS OF THE MOGOLLON RIM AND WHITE MTNS. STRONG HIGH PRESSURE WILL EXTEND FROM CALIFORNIA INTO ARIZONA TODAY THROUGH SUNDAY. DAYTIME HIGHS WILL BE 10+ DEGREES ABOVE SEASONAL AVERAGES...AND WILL APPROACH RECORDS IN SOME LOCATIONS. AN EXCESSIVE HEAT WARNING HAS BEEN ISSUED FOR THE LOWER ELEVATIONS OF THE GRAND CANYON WHERE TEMPERATURES WILL BE NEAR 110 DEGREES THROUGH SUNDAY (SEE NPWFGZ). THE MONDAY AND TUESDAY TIME PERIOD WILL EXPERIENCE BREEZY SOUTHWEST WINDS AND DRY CONDITIONS...AND POSSIBLY NEAR CRITICAL FIRE WEATHER CONDITIONS AS A LOW PRESSURE TROUGH HEADS NORTHEAST ACROSS CALIFORNIA...NEVADA...AND THEN ACROSS UTAH. WEDNESDAY AND BEYOND...HIGH PRESSURE REBUILDS ACROSS OUR REGION BRINGING CONTINUED ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS. ANOTHER TROUGH IS FORECAST TO AFFECT THE NW UNITED STATES...AND THIS MAY DIP FAR ENOUGH SOUTH TO BRING ANOTHER ROUND OF STRONGER SOUTHWEST WINDS TOWARD THE END OF NEXT WEEK. && .AVIATION...FOR THE 12Z PACKAGE...EXPECT VFR CONDITIONS FOR THE NEXT 24 HOURS. AFTER 17Z...LIMITED MOISTURE WILL RESULT IN THE DEVELOPMENT OF FEW TO BROKEN SKY CONDITIONS WITH CLOUD BASES 15-20 KFT ABOVE SEA LEVEL. ALONG THE MOGOLLON RIM INTO THE WHITE MOUNTAINS ISOLATED SHOWERS AND THUNDERSTORMS WITH WIND GUSTS TO 40 KTS WILL BE POSSIBLE. SKIES WILL CLEAR AFTER 02Z. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...WARM NORTHWEST FLOW ALOFT WILL CONTINUE THROUGH SATURDAY. EXPECT AFTERNOON HAINES INDICES OF 5 OR 6 AND MIXING HEIGHTS TO AROUND 20000 FEET ABOVE SEA LEVEL. LIMITED MOISTURE WILL REMAIN OVER CENTRAL AND EASTERN ARIZONA TODAY...BRINGING PARTLY CLOUDY SKIES TO THE HIGHEST TERRAIN AND A SLIGHT CHANCE OF HIGH BASED THUNDERSTORMS TO THE MOGOLLON RIM. ANY STORMS MAY PRODUCE WIND GUSTS TO 50 MPH. ON SATURDAY...HIGH TEMPERATURES WILL APPROACH DAILY RECORDS ACROSS THE AREA. SUNDAY THROUGH TUESDAY...DRY CONDITIONS WILL CONTINUE WITH DAYTIME TEMPERATURES RUNNING 5 TO 10 DEGREES ABOVE NORMAL. A WEAK LOW PRESSURE SYSTEM WILL BRUSH ARIZONA MONDAY AND TUESDAY BRINGING GUSTY WINDS WITH CRITICAL FIRE WEATHER CONDITIONS POSSIBLE. STAY TUNED FOR UPDATES. && .FGZ WATCHES/WARNINGS/ADVISORIES...EXCESSIVE HEAT WARNING FOR GRAND CANYON (AZZ006) BELOW 4000 FEET FROM 10 AM TODAY UNTIL 8 PM MST SUNDAY && PUBLIC.........JJ AVIATION.......MCCOLLUM FIRE WEATHER...MCCOLLUM FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 249 AM MST FRI JUN 7 2013 AZZ006-080700- GRAND CANYON COUNTRY- 249 AM MST FRI JUN 7 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT VERY HOT TEMPERATURES WILL AFFECT THE LOWER ELEVATIONS OF THE GRAND CANYON AND AN EXCESSIVE HEAT WARNING IS IN EFFECT BELOW 4000 FEET. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AN EXCESSIVE HEAT WARNING WILL CONTINUE SATURDAY AND SUNDAY FOR THE LOWER ELEVATIONS OF THE GRAND CANYON. .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.
11 excessive heat. Local standard time, as filed.
The Prescott Airport tied the record high of 97 for the day last set in 1996. The airport is at 5052 feet above sea level.
The Flagstaff Airport reached a high of 91 which broke the record high of 89 for the day last set in 1985. The Flagstaff Airport is at an elevation of 7003 feet above sea level.
The Page Airport set a new high temperature of 104 for the day. This broke the old record of 99 last set in 2010. Page is at an elevation of 4310 feet above sea level.
Springerville set a new record high of 92 for the day. The previous record for the day was 90 last set in 2010.
The Winslow Airport set a new record high of 103 for the date. The previous record was 100 set in 1910.
Cottonwood-Tuzigoot tied the record high of 107 for the day last set in 1996.
The Flagstaff Airport reached a high of 90 which broke the old record high of 88 for the day last set in 1902. Fort Valley Experimental Station reached a high of 91 which broke the record high of 89 for the day last set in 1996.
Navajo National Monument reached a high of 91 which broke the record high of 90 for the day last set in 1996.
The Page Airport reached a high of 104F which broke the old record of 98F for the date last set in 2001.
Springerville reached a high of 95F which broke the old record of 91F for the date last set in 2010. The Petrified Forest National Park tied the record high of 98F for the day last set in 1996.
The Winslow Airport reached a high of 102F which broke the old record of 99F for the date last set in 1978.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2013Every state in 2013This day in weather historyWarnings in Arizona, June 2013
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: 477864, 477865, 477866, 477867, 477868, 477863, 477870, 477872, 477873, 477875, 477876.