Idaho, 2002

Damaging Winds in Idaho, July 13, 2002

July 13, 2002 · NWS BOI · 5 events in 4 counties and zones

Thunderstorm winds along a gust front toppled a stack of speakers from the stage of the Idaho Center Amphitheater and into the audience. Four persons were treated for injuries at a local medical center.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
4
Property damage
None recorded
Crop damage
None recorded
Events
5

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.

What happened

The episode as NWS BOI wrote it up.

Thunderstorm winds along a gust front toppled a stack of speakers from the stage of the Idaho Center Amphitheater and into the audience. Four persons were treated for injuries at a local medical center. Outflow winds continued across Canyon County and into Payette, Gem and Ada counties, bringing numerous trees and power lines down across the four counties..

What forecasters said that day

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 13, 9:15 PM MST, 0 minutes earlier.

Area forecast discussion, Jul 13, 9:15 PM MST, 0 minutes before
SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE IDAHO
1015 PM MDT SAT JUL 13 2002

GUSTY WINDS 20 TO 40 MPH AND LIGHTNING, WITH LOCALIZED BLOWING DUST,
MAIN THREAT WITH THUNDERSTORMS  STIL TONIGHT THO DEEPER MOISTURE IN
NV BROUGHT WETTING RAINS FURTHER SOUTH.  TRANSITION TO LIGHT RAINER
SHOWERS AND THUNDERSTORMS EXPECTED 1 TO AROUND 3 AM...BUT TIL THEN
SOME GUSTY WINDS WITH WAVES OF TS TNGT.  TEMPS MILD TONIGHT BUT A
COOL FRONT IS EXPECTED INTO SE OREGON OVERNIGHT AS A WEAK WAVE
PUSHES THROUGH THE PACIFIC NW.  AS TS HAVENT MOISTENED UP QUITE YET
WILL EXTEND RED FLAG WARNING THRU 1 AM PDT WEST AND 3 AM EAST FOR
FIRE WEATHER ZONES.

NOWCAST IN EFFECT THRU 1110 PM SOUTH AND 1 AM TREASURE VLY.  TS
WINDS.

TS HAVE MOISTENED UP DRAMATICALLY IN THE SW PART 1.15 INCHES/5 HOURS
AT FRENCH GLEN.

.BOI...RED FLAG WARNING EXPIRES FOR VALE, EXTENDED TIL 1/2AM FOR
BURNS BLM AND BOISE BLM. ZONES 636/7 AND 408.

The radar

The Boise radar (KCBX), 29 km away, was scanning. The volume nearest the first event began at 04:14 UTC.

Open the radar archive at this moment

Event by event

5 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Canyon

When
July 13, 9:15 PM MST to 9:30 PM MST
Where
Canyon County, Nampa
Measured
50 kt (58 mph)
Injuries
4 direct, 0 indirect
Reported by
NEWSPAPER
Coordinates
43.583, -116.567

Thunderstorm Wind, Gem

When
July 13, 10:10 PM MST to 10:15 PM MST
Where
Gem County, Countywide
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.117, -116.483

Thunderstorm Wind, Canyon

When
July 13, 10:10 PM MST to 11:40 PM MST
Where
Canyon County, Countywide
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
43.567, -116.783

Thunderstorm Wind, Ada

When
July 13, 10:12 PM MST to 10:30 PM MST
Where
Ada County, 1 mi S of Kuna
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
43.467, -116.400

Thunderstorm Wind, Payette

When
July 13, 10:15 PM MST to 10:40 PM MST
Where
Payette County, 8 mi S of Fruitland
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
43.900, -116.917

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Idaho in 2002Every state in 2002This day in weather historyWarnings in Idaho, July 2002

Sources

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: 5309771, 5309773, 5309774, 5309772, 5309825.