A tornado was reported with thunderstorm activity 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.
A tornado was reported with thunderstorm activity 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 15, 3:30 PM MST, 3 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 330 PM MST MON JUL 15 2013 .SYNOPSIS...A MOIST AND UNSTABLE AIRMASS WILL BRING SHOWERS AND THUNDERSTORMS TO THE REGION THROUGH THE WEEK. ON TUESDAY AND WEDNESDAY...AN UPPER LEVEL LOW MAY BRING NOTICEABLY STRONGER STORMS INTO EASTERN ARIZONA. TEMPERATURES THROUGH THE WEEK WILL BE VERY CLOSE TO NORMAL. && .DISCUSSION...A VERY MOIST AIR MASS REMAINS OVER NORTHERN ARIZONA TODAY WITH SCATTERED THUNDERSTORMS. SOME OF THESE STORMS HAVE PRODUCED LOCALIZED HEAVY RAIN. THE UPPER LEVEL LOW PRESSURE IS CONTINUES TO MOVE WESTWARD OVER THE PANHANDLE REGION THIS AFTERNOON. THE LOW IS FORECAST TO CONTINUE MOVING WEST INTO NEW MEXICO THROUGH MID DAY TUESDAY THEN TRACK SOUTHWEST INTO THE BOOTHEAL AREA BY WEDNESDAY AFTERNOON. MODEL SOUNDING OVER NORTH CENTRAL ARIZONA SHOWS MOISTURE VALUES (PWAT) INCREASING THROUGH TUESDAY AFTERNOON...AND REMAINING ABOVE AN INCH THROUGH WEDNESDAY AFTERNOON. THE LOW THEN WEAKENS AND REMAINS OVER SONORA AND CHIHUAHUA FOR THE REST OF THE WEEK. THIS PATTERN WILL BRING SCATTERED TO NUMEROUS THUNDERSTORMS TO NORTHERN ARIZONA EACH DAY THOUGH NEXT WEEKEND. THE APPROACHING UPPER LOW WILL PROVIDE LIFT TONIGHT THROUGH WEDNESDAY SO STRONG STORMS MAY CONTINUE THROUGH THE NIGHT. THE BEST CHANCES FOR STRONG STORMS TO DEVELOP WILL BE OVER THE EASTERN/SOUTHEASTERN PORTIONS OF OUR FORECAST AREA (SOUTHERN APACHE AND SOUTHERN NAVAJO CONTINUES) THROUGH WEDNESDAY AFTERNOON. THREATS. && .AVIATION...FOR THE 18Z PACKAGE...SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EVENING...BRINGING ISOLD IFR/MVFR CONDITIONS AND GUSTY WINDS TO 30 KTS. OTHERWISE...EXPECT MAINLY VFR CONDITIONS WITH CLOUD COVER SCT-BKN150. THUNDERSTORMS WILL GENERALLY DIMINISH AFTER 03Z...ALTHOUGH THERE IS A GOOD CHANCE OF THUNDERSTORM ACTIVITY CONTINUING THROUGH THE NIGHT MAINLY FROM KPAN-K0V7 EASTWARD. AFTER 18Z TUESDAY...EXPECT INCREASING THUNDERSTORM ACTIVITY...WITH ISOLD IFR/MVFR CONDITIONS AND GUSTY WINDS TO 25 KTS. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...A MOIST AIR MASS WILL REMAIN OVER ARIZONA THROUGH TUESDAY WHILE A LOW PRESSURE CENTER APPROACHES FROM THE EAST. THIS WILL BRING BETTER CHANCES FOR SHOWERS AND THUNDERSTORMS WITH AN ENHANCED POSSIBILITY OF A FEW STORMS PRODUCING HAIL. A MOIST PATTERN WILL CONTINUE WEDNESDAY WITH SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING AGAIN. THURSDAY THROUGH SATURDAY...A MOIST MONSOON AIR MASS WILL REMAIN OVER NORTHERN ARIZONA WITH A GOOD CHANCE OF THUNDERSTORMS AND SHOWERS EACH DAY. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC.........MAS AVIATION.......DJO FIRE WEATHER...DJO FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 434 AM MST MON JUL 15 2013 AZZ004>018-037>040-160715- 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- 434 AM MST MON JUL 15 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO... NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. SLOW MOVING STORMS WILL HAVE THE POTENTIAL TO DROP LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ON TUESDAY...A LOW PRESSURE SYSTEM WILL MOVE WESTWARD INTO SOUTHWEST NEW MEXICO. THE INCREASING LOW AND MID LEVEL WIND SPEEDS WITH THIS SYSTEM WILL BRING A CHANCE FOR ORGANIZED THUNDERSTORMS TO MUCH OF EASTERN ARIZONA. A FEW SEVERE STORMS ARE POSSIBLE...WITH HAIL LARGER THAN ONE INCH. HEAVY RAINFALL IS PROBABLE IN THIS PATTERN...ESPECIALLY ACROSS NAVAJO...APACHE...AND GILA COUNTIES. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE WEEK.
The Flagstaff radar (KFSX), 68 km away, was scanning. The volume nearest the first event began at 01:59 UTC.
1 tornado. Local standard time, as filed.
A Skywarn Weather spotter relayed reports that several people saw a tornado touch down at the Winslow City Park. No damage was reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2013Every state in 2013This day in weather historyThe tornado archive for Arizona, 2013Warnings in Arizona, July 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: 453064.