Arizona, 1984Tornado and Damaging Winds in Arizona, August 9, 1984
August 9, 1984 · NWS AT · 3 events in 1 county or zone
2 thunderstorm wind, 1 tornado, as filed by the National Weather Service.
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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $250,000
- Crop damage
- None recorded
- Events
- 3
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.
Thunderstorm Wind, Maricopa
- When
- August 9, 8:30 PM CST
- Where
- Maricopa County
- Measured
- 55 kt (63 mph)
- Coordinates
- 33.480, -112.070
Thunderstorm Wind, Maricopa
- When
- August 9, 8:32 PM CST
- Where
- Maricopa County
- Measured
- 55 kt (63 mph)
- Coordinates
- 33.530, -112.380
Tornado, Maricopa
- When
- August 9, 9:00 PM CST
- Where
- Maricopa County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 30 yd
- Property damage
- $250,000
- Coordinates
- 33.630, -112.100
- 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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Hail and Damaging Winds in Illinois, August 9, 198461 kt wind · 8 events
- Damaging Winds in Oklahoma, August 9, 198460 kt wind · 3 events
- Hail in Wisconsin, August 9, 19841.25 in hail · 3 events
- Damaging Winds in North Carolina, August 9, 19843 events
- Damaging Winds in Missouri, August 9, 198454 kt wind · 2 events
- Tornado and Damaging Wind in Pennsylvania, August 9, 1984$3,000 · F0 · 2 events
- Damaging Wind in New York, August 9, 19841 event
- Damaging Wind in Ohio, August 9, 19841 event
- Damaging Wind in Arkansas, August 9, 19841 event
- Damaging Wind in Kansas, August 9, 198452 kt wind · 1 event
- Tornado in Michigan, August 9, 1984F0 · 1 event
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: 9980709, 9981570, 9981571.