The Willow Fire was human caused on June 19th approximately 13 miles northwest of Forest Lakes, AZ. The fire was turned back to the local district at 600 PM on June 23rd.
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The episode as NWS FGZ wrote it up.
The Willow Fire was human caused on June 19th approximately 13 miles northwest of Forest Lakes, AZ. The fire was turned back to the local district at 600 PM on June 23rd. Full containment was achieved by the end of June. Crews still patrolled the fire into mid July.
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 30, 8:50 PM MST, 3 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 850 PM MST THU JUN 30 2011 .SYNOPSIS...DRY WESTERLY FLOW ACROSS NORTHERN ARIZONA WILL BRING MOSTLY CLEAR SKIES AND MUCH LIGHTER WINDS ON FRIDAY. OVER THE WEEKEND...MOISTURE WILL BEGIN TO INCREASE ACROSS THE AREA AS THE SUMMER MONSOONAL FLOW PATTERN DEVELOPS. AS A RESULT...EXPECT INCREASING CHANCES OF MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS THROUGH THE EARLY PART OF NEXT WEEK. && .DISCUSSION...THE STRONG AND GUSTY WINDS THAT AFFECTED MOST OF NORTHERN ARIZONA TODAY HAVE DIMINISHED TO 5 TO 10 MPH AS LOW PRESSURE QUICKLY EXITS THE REGION. FOR FRIDAY...MUCH LIGHTER WINDS ARE EXPECTED...WHICH WILL ALLOW MOISTURE REMAINING JUST TO OUR SOUTH TO BEGIN SEEPING NORTHWARD...POSSIBLY ALLOWING A FEW HIGH-BASED THUNDERSTORMS TO DEVELOP OVER THE WHITE MOUNTAINS. .PREVIOUS DISCUSSION...DRY WESTERLY FLOW TO THE SOUTH OF A LOW PRESSURE CENTER MOVING THROUGH UTAH HAS SPREAD A MUCH DRIER AIR MASS ACROSS NORTHERN ARIZONA...WITH MOSTLY CLEAR SKIES ACROSS THE REGION. MEANWHILE...STRONG FLOW ASSOCIATED WITH THE LOW PRESSURE CENTER WILL CONTINUE TO BRING WEST TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS AROUND 40 MPH IN NORTHEAST ARIZONA AND A WIND ADVISORY IS IN EFFECT UNTIL EARLY THIS EVENING. IN ADDITION...A RED FLAG WARNING FOR THESE STRONG WINDS COMBINED WITH LOW RELATIVE HUMIDITIES IS IN EFFECT. ON FRIDAY...THE LOW WILL HAVE MOVED WELL EAST OF ARIZONA WITH HIGH PRESSURE BUILDING EAST OF ARIZONA. THIS WILL BRING MUCH LIGHTER WINDS AND ALLOW MOISTURE REMAINING JUST TO OUR SOUTH TO BEGIN SEEPING NORTHWARD AGAIN...AND POSSIBLY ALLOWING A FEW HIGH-BASED THUNDERSTORMS TO DEVELOP OVER THE WHITE MOUNTAINS. OVER THE WEEKEND INTO NEXT WEEK...HIGH PRESSURE WILL CONTINUE TO BUILD OVER THE FOUR CORNERS REGION. THIS WILL ALLOW MOISTURE TO CONTINUE TO SEEP NORTHWESTWARD WITH INCREASED CHANCES FOR SHOWERS AND THUNDERSTORMS EACH DAY. A WARM AIR MASS OVER THE REGION WILL BRING TEMPERATURES SEVERAL DEGREES ABOVE NORMAL OVER THE WEEKEND AS WELL...WITH TEMPERATURES EXPECTED TO APPROACH EXCESSIVE HEAT WARNING CRITERIA WITH TEMPERATURES NEAR 110 IN THE LOW ELEVATIONS OF YAVAPAI AND NORTHERN GILA COUNTIES AS WELL AS THE GRAND CANYON. && .AVIATION...FOR THE 06Z PACKAGE...MOSTLY CLEAR SKIES AND LIGHTER WINDS ARE EXPECTED FRIDAY WITH WIND SPEEDS REMAINING UNDER 10-15 KT. AN ISOLATED SHOWER IS POSSIBLE OVER THE WHITE MTNS FRIDAY AFTERNOON. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...TONIGHT THROUGH SATURDAY...MUCH LIGHTER WINDS ARE IN STORE FRIDAY AND SATURDAY AS HIGH PRESSURE BUILDS INTO THE FOUR CORNERS REGION. FRIDAY WILL REMAIN DRY WITH LOW AFTERNOON RH AND ONLY A SLIGHT CHANCE FOR A DRY THUNDERSTORM OVER THE WHITE MTNS. BY SATURDAY...MID LEVEL MOISTURE INCREASES AND BRINGS A BETTER CHANCE FOR DRY THUNDERSTORMS ACROSS THE AREA. SUNDAY THROUGH TUESDAY...GENERALLY LIGHT WINDS AND WARM CONDITIONS ARE FORECAST TO CONTINUE AS THE RIDGE STRENGTHENS NEAR THE FOUR CORNERS. SOUTHEASTERLY FLOW WILL DRAW MOISTURE NORTHWARD BRINGING INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS FROM SUNDAY ONWARD. && .FGZ WATCHES/WARNINGS/ADVISORIES... NONE PUBLIC..................JVC/DJO AVIATION/FIRE WEATHER...JVC/MCS OR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1100 PM MST THU JUN 30 2011 AZZ004>018-037>040-010700- 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- 1100 PM MST THU JUN 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ARIZONA...NORTH CENTRAL ARIZONA...NORTHEAST ARIZONA AND WEST CENTRAL ARIZONA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY AFTER A DRY DAY FRIDAY...HIGH PRESSURE BUILDING TO OUR EAST WILL PUSH MONSOONAL MOISTURE INTO THE STATE. THIS WILL LEAD TO SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING SATURDAY AND SUNDAY...LASTING INTO NEXT WEEK. .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 wildfire. Local standard time, as filed.
The Willow Fire was human caused and burned about 213 acres with 292 people assigned to the fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2011Every state in 2011This day in weather historyWarnings in Arizona, July 2011
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: 336588.