1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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 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 May 28, 2:30 PM MST, 4 hours 50 minutes earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST WED MAY 28 2003
.SYNOPSIS...HIGH PRESSURE WILL REMAIN OVER THE DESERT SOUTHWEST
THROUGH THE END OF THE WEEK. AN EASTERLY FLOW ALOFT WILL CONTINUE
TO PUSH MOISTURE INTO NORTHERN ARIZONA. AS A RESULT...LOOK FOR AN
INCREASE IN AFTERNOON CLOUDS...ALONG WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS...MAINLY OVER THE HIGHER TERRAIN. VERY WARM DAYS...
WITH ABOVE NORMAL TEMPERATURES WILL CONTINUE. A DRIER AND MORE
STABLE AIR MASS WILL MOVE INTO THE STATE OVER THE WEEKEND.
.DISCUSSION...HIGH PRESSURE WILL WOBBLE AROUND THE 4-CORNERS AREA
THRU THE END OF THE WEEK. CWA TO REMAIN UNDER A WEAK...MOIST EAST
FLOW ALOFT. WEAK IMPULSE SEEN ON WV IMAGERY OVER N.M. AND MODELS
MOVE THIS ACROSS THE CWA TONIGHT. LOOKING FOR ISOLATED POPS OVER THE
HIGHER TERRAIN THIS EVENING WITH THE THREAT CONTINUING OVERNIGHT.
SEE LITTLE CHANGE IN THE OVERALL PATTERN THRU THE END OF THE WEEK.
DPS TO HOVER IN THE UPPER 30S TO MID 40S BUT MODELS DONT SHOW DEEP
LAYERED MOISTURE FOR THE CWA. SOME MID LEVEL RH PLUS INSOLATION AND
STEEP LAPSE RATES WILL CONTINUE TO AID ISOLATED AFTERNOON AND EVENING
CONVECTIVE ACTIVITY...MAINLY FOR THE HIGHER TERRAIN AREAS.
TEMPERATURES TO REMAIN ABOVE NORMAL BUT BELOW RECORD LEVELS.
EXTENDED...MEDIUM RANGE MODELS PROG HIGH PRESSURE OVER THE WESTERN
U.S. THIS WILL BRING A WEAK AND DRIER WESTERLY FLOW ALOFT TO THE
CWA. DONT EXPECT THE ATMOSPHERE TO COMPLETELY DRY OUT THO. BELIEVE
MORE STABLE CONDITIONS WILL LIMIT POSSIBILITY OF CONVECTION BUT STILL
EXPECT AFTERNOON BUILDUPS FOR A PARTLY CLOUDY FORECAST. DF
.FGZ...NONE.
.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA
CITY TEMPERATURES LO/HI PROBABILITY OF PRECIP
TON THU FRI SAT TON THU FRI SAT
FLAGSTAFF 048/080 045/079 044/075 020 020 020 020 020 010
WINSLOW 058/090 058/090 055/086 020 010 020 010 010 010
PRESCOTT 058/089 057/085 056/081 020 010 010 010 010 000
PAGE 070/094 068/094 067/090 010 010 020 020 010 000
WINDOW ROCK 050/084 048/083 048/079 030 030 030 020 020 010
CANYON DE CHELLY 058/090 056/089 056/085 020 020 030 020 020 010
COTTONWOOD 065/100 064/096 063/092 010 010 010 010 010 000
GRAND CANYON 050/084 047/083 046/079 020 020 020 020 020 010
GREER 047/080 044/079 043/075 020 020 020 020 020 010
HEBER 049/087 046/086 045/082 020 020 020 020 020 010
JACOB LAKE 051/077 048/076 047/072 020 020 020 020 020 010
NAVAJO N.M. 055/082 053/081 053/077 020 030 030 020 020 010
PAYSON 058/094 057/090 056/086 010 020 010 010 010 000
SEDONA 064/097 063/093 062/089 020 010 010 010 010 000
SELIGMAN 050/091 049/087 048/083 010 010 010 010 010 000
SHOW LOW 057/089 054/088 053/084 020 020 020 020 020 010
ST. JOHNS 055/087 055/087 052/083 020 010 020 010 010 010
WUPATKI N.M. 062/092 062/092 059/088 010 010 020 010 010 010AZZ004>018-037>040-290200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 700 AM MST WED MAY 28 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY ISOLATED THUNDERSTORMS ARE EXPECTED TODAY ALONG THE MOGOLLON RIM FROM FLAGSTAFF EASTWARD TO THE WHITE MOUNTAINS. THUNDERSTORMS ARE ALSO POSSIBLE FROM THE WHITE MOUNTAINS NORTH ALONG THE EASTERN ARIZONA BORDER. THESE STORMS MAY CONTAIN STRONG GUSTY WINDS AND FREQUENT LIGHTNING. RAINFALL AMOUNTS WILL BE LIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. DEFINITION OF HAZARDOUS WEATHER...A WEATHER EVENT POSING A THREAT TO LIFE AND PROPERTY.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF ARIZONA
0720 PM MST WED MAY 28 2003
TIME (MST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM 3 S MAYER AZ MICROBURST
05/28/03 YAVAPAI 70 MPH MICROBURST WIND
REPORTED 3 MILES SOUTH OF
HIGHWAY 69 NEAR MAYER.
MASThe Flagstaff radar (KFSX), 97 km away, was scanning. The volume nearest the first event began at 02:22 UTC.
1 thunderstorm wind. Local standard time, as filed.
A microburst produced a wind gust of 70 MPH about three miles south of Mayer.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2003Every state in 2003This day in weather historyWarnings in Arizona, May 2003
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: 5356957.