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 Great Falls, MT wrote its last area forecast discussion before the first event at Jul 15, 1:40 PM MST, 5 hours 50 minutes earlier.
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
240 PM MDT MON JUL 15 2002
.SHORT TERM...MOIST SOUTHWEST FLOW ALOFT CONTINUES OVER THE NORTHERN
ROCKIES. SURFACE AIRMASS IS RELATIVELY MOIST AND UNSTABLE...WITH
DEWPOINTS IN THE 50S TO LOWER 60S...AND LIFTED INDICES WELL BELOW
ZERO. A WEAK DISTURBANCE IS MOVING NORTHEAST THROUGH SW ID AT THIS
TIME...AND WILL MOVE INTO WRN MT THIS EVENING. VISIBLE SATELLITE LOOP
IS SHOWING MOUNTAIN CONVECTION ALREADY BEGINNING TO FIRE OVER CENTRAL
ID AND SW MT. EXPECT BULK OF CONVECTIVE ACTIVITY TO FOLLOW A PATH
FROM SOUTHWEST TO NORTH CENTRAL MT...SIMILAR TO YESTERDAY...WITH ONLY
SLIGHT CHANCE POPS FOR THE NW PORTION OF MY CWA. DO NOT EXPECT
WIDESPREAD SEVERE WEATHER THIS EVENING...BUT ISOLATED CELLS COULD
PRODUCE STRONG WINDS OR LARGE HAIL. MODELS DISAGREE ON LOCATION OF
CONVECTIVE ACTIVITY TOMORROW...BUT AGREE WITH GGW/BIL FORECASTERS
THAT BROADBRUSH CHANCE POPS FOR THE ENTIRE CWA TUESDAY AND TUESDAY
NIGHT IS A GOOD IDEA. DISTURBANCE AND ASSOCIATED CONVECTIVE ACTIVITY
MOVES TO SOUTH CENTRAL MT ON WEDNESDAY...WITH MOST OF MY CWA IN NVA.
WILL DROP POPS DOWN TO SLIGHT CHANCE FOR WEDNESDAY AND WEDNESDAY
NIGHT. BY THURSDAY...THE AVN BRINGS A VIGOROUS SHORTWAVE TO WESTERN
MT...AND PAINTS COPIOUS QPF OVER MUCH OF THE STATE. TOO SOON TO TELL
IF THIS WILL BE ACCURATE...SO WILL GO WITH CHANCE POPS FOR ALL
ZONES. TEMPERATURES WILL REMAIN ABOVE NORMAL THROUGH THE ENTIRE
SHORT TERM. IF THE THURSDAY SHORTWAVE VERIFIES...HIGH TEMPS COULD
DROP 5 TO 10 DEGREES IN THE WEST. MPJ
.EXTENDED...PLAN ON GOING WITH THE ECMWF. MONDAYS 00Z AVN RUN
BROUGHT AN UPPER TROUGH INTO B.C. ON SUN THEN HAD IT MOVING INTO MT
ON MON. PREVIOUS 00Z AVN RUN WAS SLOWER WITH THE UPPER TROUGH. IT
BROUGHT THE UPPER TROUGH INTO THE PAC NW ON MON WITH SW FLOW ALOFT
FOR THE AREA. ECMWF RUNS FROM LAST WEEK ARE VERIFYING BETTER THAN
LAST WEEKS AVN RUNS FOR EARLY THIS WEEK. ALSO NCEP PREFERS THE
ECMWF. AND ECMWF IS MORE IN LINE WITH UPPER FLOW FOR THIS TIME OF
THE YEAR. SO WILL BE DISCOUNTING 00Z MON AVN RUN WHICH HAD COOLER
AIR MOVING INTO THE AREA EARLY NEXT WEEK. BLANK
.CCF NUMBERS
GTF TB 063/094 063/096 061 14433
TBBBB 090/055 088/056 090/056 090/056 090 22422111222
CTB TB 058/090 059/092 058 14222
TBBBB 086/050 085/052 087/052 087/052 087 22311111222
HLN TB 064/093 062/095 060 14633
TBBBB 090/055 088/057 090/057 090/057 090 23422222222
BZN TB 060/092 060/094 055 14534
TBBBB 089/050 087/052 089/052 089/052 089 23422222222
WEY TB 055/088 054/090 050 14434
TBBBB 085/042 082/043 085/043 085/043 085 24433333333
DLN TB 060/090 058/092 055 14534
TBBBB 087/051 086/053 089/053 089/053 089 24422222222
HVR TB 064/096 064/098 061 14333
TBBBB 094/055 088/056 091/056 091/056 091 22322111222
LWT TB 060/092 061/094 059 14333
TBBBB 091/054 087/055 089/055 089/055 089 22422111222=
.TFX...NONEThe Billings radar (KBLX), 148 km away, was scanning. The volume nearest the first event began at 02:31 UTC.
1 thunderstorm wind. Local standard time, as filed.
A severe thunderstorm produced 0.75 inch hail and wind gusts to 70 mph at Lewistown 10S.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2002Every state in 2002This day in weather historyWarnings in Montana, July 2002
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: 5307344.