Wind gusts from a thunderstorm caused damage in Winslow.
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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.
Wind gusts from a thunderstorm caused damage in Winslow.
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 Jul 19, 2:25 PM MST, 3 hours 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 225 PM MST THU JUL 19 2007 .SYNOPSIS...EXPECT SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS TO CONTINUE INTO NEXT WEEK. HIGH TEMPERATURES WILL BE A FEW DEGREES ABOVE AVERAGE FOR THE NEXT COUPLE OF DAYS...WITH SLIGHTLY COOLER TEMPERATURES EXPECTED BY THE WEEKEND AS MOISTURE INCREASES. && .DISCUSSION...THUNDERSTORMS BREAKING OUT OVER MAINLY EASTERN SECTIONS OF FORECAST AREA AS EXPECTED IN THE AREA BOUNDED BY THE 336K+ THETA-E CONTOURS AND NEGATIVE LIFTED INDICES. STEERING FLOW WILL CONTINUE TO ALLOW THESE STORMS TO PUSH PRIMARILY WESTWARD...EXCEPT NORTHWARD OVER CENTRAL PORTIONS. EXPECTING EASTERN SECTIONS TO REMAIN ACTIVE THIS EVENING AS ADDITIONAL THUNDERSTORM ACTIVITY MOVES IN FROM NM AND CURRENT ACTIVITY OVER WHITE MOUNTAINS PUSHES INTO GILA COUNTY AND POINTS SOUTHWARD. FOR TONIGHT...GFS PREDICTS MCS DEVELOPING ALONG SOUTHERN CWA BORDER SOUTHWEST OF WHITE MOUNTAINS...WILL NEED TO MONITOR FOR ANY UPSCALE DEVELOPMENT HERE. OTHERWISE EXPECTING A BIT MORE DEBRIS CLOUD AROUND TOMORROW...BUT ANOTHER DAY WITH SCATTERED THUNDERSTORMS IN THE AREA...MOST PREVALENT CENTRAL AND EASTERN SECTIONS. STEERING FLOW TOMORROW WILL BE PRIMARILY FROM THE NORTHEAST AND EAST WHICH AGAIN WILL FOCUS THE THREAT FROM THE RIM AND WHITE MOUNTAINS SOUTHWARD. MODELS CONTINUE TO SHOW ADDITIONAL MOISTURE MOVING IN FOR THE WEEKEND AND NEXT WEEK WITH DAILY THUNDERSTORM ACTIVITY CONTINUING WITH SLIGHTLY COOLER AFTERNOON TEMPERATURES AND MORE CLOUD DEBRIS IN THE MORNINGS. .PREVIOUS DISCUSSION FROM 0940 AM...WE HAVE UPDATED THIS MORNINGS SKY COVER AS SAT IMAGERY IS MOSTLY CLEAR ACROSS THE NORTHLAND. THIS MORNINGS FGZ SOUNDING SHOWS CONVECTIVE PARAMETERS ARE SLIGHTLY LESS FAVORABLE FOR THUNDERSTORMS LOCALLY AS CAPE IS LESS AND LI VALUES ARE GREATER THAN YESTERDAY. FOR THIS AFTERNOON...GFS THETA E PLOTS SHOW DRIER AIR ACROSS AREAS WEST OF A LINE FROM PAGE TO PAYSON. AREAS EAST OF THIS LINE SHOW EASTERLY FLOW ALOFT...WITH FAIRLY HIGH THETA E VALUES. WE HAVE KNOCKED THIS AFTERNOONS POPS DOWN A FEW POINTS IN THE WEST AND INCREASED THEM ACROSS NAVAJO AND APACHE COUNTIES. TONIGHT...BOTH NAM AND GFS MODELS ARE GENERATING SOME QPF ACROSS THE AZ.NM BORDER THIS EVENING. WE WILL NEED TO WATCH NWRN N.M. AND SWRN COLORADO TO SEE IF ANY LARGE STORMS FORM THERE THIS AFTERNOON...AND POTENTIALLY DRIFT INTO EASTERN AZ. && .AVIATION...FOR THE 00Z PACKAGE...EXPECT SCATTERED SHOWERS AND THUNDERSTORMS...PRIMARILY EAST OF A LINE FROM PAYSON TO PAGE TO DIMINISH AFTER 04Z. SURFACE WIND GUSTS TO 40 KTS ALONG WITH MVFR CEILINGS AND VISIBILITIES MAY ACCOMPANY THE STRONGER STORMS. STORMS ARE AGAIN EXPECTED TO DEVELOP DURING THE DAY ON FRIDAY. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && STAUDENMAIER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 947 AM MST THU JUL 19 2007 AZZ004>018-037>040-200700- BLACK MESA AREA-CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- COCONINO PLATEAU-EASTERN MOGOLLON RIM-GRAND CANYON COUNTRY- KAIBAB PLATEAU-LITTLE COLORADO RVR VLY IN APACHE CO- LITTLE COLORADO RVR VLY IN COCONINO CO- LITTLE COLORADO RVR VLY IN NAVAJO CO-MARBLE AND GLEN CANYONS- NORTHEAST PLATEAU AND MESAS SOUTH OF 264- NORTHEAST PLATEAUS AND MESAS 264 NORTH-NORTHERN GILA COUNTY- OAK CREEK AND SYCAMORE CANYONS-WESTERN MOGOLLON RIM-WHITE MOUNTAINS- YAVAPAI COUNTY MOUNTAINS-YAVAPAI COUNTY VALLEYS AND BASINS- 947 AM MST THU JUL 19 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR... .DAY ONE...TODAY AREAS EAST OF A LINE FROM PAGE TO BLACK CANYON CITY WILL SEE SCATTERED THUNDERSTORMS DEVELOP BY LATE MORNING OVER THE HIGHER TERRAIN OF THE MOGOLLON RIM...AND THEN SPREAD INTO THE LOWER VALLEYS BY MID AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE FREQUENT LIGHTNING...LOCALLY HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS. SHOWER AND THUNDERSTORM ACTIVITY MAY CONTINUE INTO THE EVENING HOURS ALONG THE ARIZONA NEW MEXICO BORDER. AREAS WEST OF A LINE FROM PAGE TO BLACK CANYON CITY WILL SEE WIDELY SCATTERED AFTERNOON THUNDERSTORMS. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH THURSDAY SCATTERED MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. 41
The Flagstaff radar (KFSX), 66 km away, was scanning. The volume nearest the first event began at 00:58 UTC.
1 thunderstorm wind. Local standard time, as filed.
Winds from a thunderstorm snapped power poles in and around Winslow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2007Every state in 2007This day in weather historyWarnings in Arizona, July 2007
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: 52316.