1 tornado, 1 hail, 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 Glasgow, MT wrote its last area forecast discussion before the first event at Aug 5, 8:00 PM MST, 15 minutes earlier.
NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
900 PM MDT MON AUG 5 2002
.SHORT TERM...MOST OF NORTHEAST MONTANA SANDWICHED BETWEEN THE
ACTIVE WEATHER ATTM. AREA OF RAIN WITH EMBEDDED THUNDERSTORMS JUST
BRUSHING SOUTHEAST CORNER ZONES. MORE POTENT THUNDERSTORMS CONTINUE
RACING NORTH-NORTHEAST JUST TO THE WEST OF CWA. DISTINCT MESOCYCLONE
WITH A HISTORY OF TORNADOES AND BASEBALL SIZED HAIL IS ROTATING INTO
SOUTHWEST PHILLIPS COUNTY ATTM. PER COORDINATION WITH SPC...ISOLATED
NATURE OF STORM DOES NOT WARRANT REISSUE OF WEATHER WATCH FOR NOW.
AS FOR ADDITIONAL THUNDERSTORM THREAT TONIGHT...ATMOSPHERE REMAINS
STRONGLY CAPPED AT 800 MB. MESOETA SHOWING A SMALL VORT MAX ROTATING
OVER CWA IN SOUTHWEST UPPER FLOW BY 06Z WHICH MAY ERODE CAP
ENOUGH TO PROVIDE REQUIRED LIFT FOR OVERNIGHT THUNDERSTORM
DEVELOPMENT. ABUNDANT LOW LEVEL MOISTURE IN PLACE WITH DEW POINTS IN
60S. WILL KEEP GOING CHANCE OF THUNDERSTORMS IN ZONES BUT REMOVE
SEVERE WORDING...EXCEPT FOR PHILLIPS COUNTY. WINDS HAVE INCREASED
THIS EVENING ENOUGH TO ISSUE LAKE WIND ADVISORY OVER FORT PECK LAKE
FOR TONIGHT. FELTGEN
.LONG TERM...EXTENDED AVN PROGRESSIVE WITH TROUGH...TAKING INTO
WESTERN DAKOTAS BY LATE FRIDAY. CHANCE OF A FEW SHOWERS LINGERING
OVER EASTERN ZONES FRIDAY. ELSE...FLAT UPPER RIDGE BUILDS INTO
WESTERN CONUS SATURDAY. TROUGH EXPECTED TO DIG SOUTH FROM CANADA
LATE SUNDAY WITH COLD FRONT...BRINGING NEXT ROUND OF PRECIPITATION
LINGERING INTO MONDAY. TEMPERATURES EXPECTED TO BE NEAR NORMAL. DNS
KGGW TTT 062/087 062/084 059/083 86424333
BBTB 059/078 054/084 053/084 053/084 8611000320
KGDV TTT 063/089 063/086 060/085 86424333
BBTB 060/080 054/085 055/084 055/084 8621001330
.GGW...NONE.MTZ016>027-059>062-061200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 550 PM MDT MON AUG 5 2002 ...SEVERE THUNDERSTORMS POSSIBLE LATE THIS EVENING AND TONIGHT... STRONG SOUTHEASTERLY SURFACE WINDS HAVE TRANSPORTED WARMER AND MORE UNSTABLE AIR INTO NORTHEAST MONTANA...AS A TROUGH OF LOW PRESSURE APPROACHES FROM THE SOUTHWEST. THIS LOW LEVEL MOISTURE...COMBINED WITH STRONG WINDS IN THE MID AND UPPER LEVELS OF THE ATMOSPHERE HAVE CREATED AN ENVIRONMENT CONDUCIVE FOR SEVERE THUNDERSTORMS. THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTHERN MONTANA THIS EVENING ALONG A FRONTAL BOUNDARY...AND MOVE NORTHEAST INTO NORTHEAST MONTANA THROUGH THE LATE EVENING AND OVERNIGHT HOURS. BECAUSE OF THE DEGREE OF INSTABILITY PRESENT...STRONG WINDS AND LARGE HAIL ARE POSSIBLE WITH STRONGER THUNDERSTORMS. HEAVY RAINFALL IS ALSO POSSIBLE...DUE TO HIGH AMOUNTS OF MOISTURE IN THE ATMOSPHERE. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA SOURCES FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KLEINSASSER
The national radar mosaic for the moment the first event began.
1 tornado, 1 hail. Local standard time, as filed.
Spotter reported a tornado touched the ground briefly 13 miles south of Landusky.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2002Every state in 2002This day in weather historyThe tornado archive for Montana, 2002Warnings in Montana, August 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: 5317010, 5317011.