1 thunderstorm wind, as filed by the National Weather Service.
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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 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 Boise, ID wrote its last area forecast discussion before the first event at Jul 7, 9:00 AM MST, 2 hours 15 minutes earlier.
SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BOISE IDAHO 1000 AM MDT SUN JUL 07 2002 UPDATED SOME ZONES ALREADY THIS MORNING FOR A BIT STRONG WORDING FOR THUNDERSTORMS. MORNING SOUNDING VERY UNSTABLE BUT FOR THIS AFTERNOON THERE WILL BE NO GOOD TRIGGER OTHER THAN AFTERNOON HEATING. THUNDERSTORM ACTIVITY THIS MORNING IS CENTERED AROUND A VORT MAX AND THE NEW ETA MODEL MOVES THIS VORT MAX TO THE NORTH NORTHEAST INTO THE NORTHERN ZONES BETWEEN 20Z AND 21Z. THIS TIMING ALSO NEAR MAX HEATING SO MAIN REASON FOR THE STRONGER WORDING IN IDAHO ZONES 11 AND 13 AND OREGON ZONE 62. REST OF THE ZONES LOOK GOOD FOR TODAY AS SURFACE HEATING WILL HELP WITH THE THUNDERSTORM ACTIVITY. TONIGHT UPPER LEVEL LOW CONTINUES TO MOVE TO THE EAST WITH ENOUGH DYNAMICS AHEAD OF THIS FOR CONTINUED THUNDERSTORM ACTIVITY THROUGH THE NIGHT. SHORT WAVE TO MOVE THROUGH THE STATE ON MONDAY FOR DECREASING CHANCES OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY. ALLEN .BOI...NONE.
The Boise radar (KCBX), 45 km away, was scanning. The volume nearest the first event began at 18:14 UTC.
1 thunderstorm wind. Local standard time, as filed.
A line of thunderstorms swept across Owyhee, Washington, Payette and Canyon counties. Several limbs were broken off trees and sheet metal was blown from a roof under construction.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2002Every state in 2002This day in weather historyWarnings in Idaho, 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: 5309770.