Arizona, 2010

Dust Storm and High Wind in Arizona, April 28 to 29, 2010

April 28 to 29, 2010 · NWS FGZ · 18 events in 14 counties and zones

A low pressure center moving across the western United States produced strong winds and significant blowing dust across northern Arizona. The winds caused power outages and the dust caused road closures.

Where it happened

Every event with a place to put it; 18 filed by county or forecast zone are drawn at its center, in a lighter ring. 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

The toll

Deaths
0
Injuries
0
Property damage
$100,000
Crop damage
None recorded
Events
18

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 FGZ wrote it up.

A low pressure center moving across the western United States produced strong winds and significant blowing dust across northern Arizona. The winds caused power outages and the dust caused road closures.

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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Apr 28, 3:30 AM MST, 34 minutes earlier.

Area forecast discussion, Apr 28, 3:30 AM MST, 34 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

14 high wind, 4 dust storm. Local standard time, as filed.

High Wind, Kaibab Plateau

When
April 28, 4:04 AM MST to 6:00 PM MST
Where
Kaibab Plateau forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
AWOS
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

An automated weather station reported peak wind gusts of 58 MPH.

High Wind, Western Mogollon Rim

When
April 28, 5:30 AM MST to 6:30 PM MST
Where
Western Mogollon Rim forecast zone
Measured
53 kt (61 mph) measured gust
Reported by
Mesonet
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

Doney Park had wind gusts to 61 MPH.

High Wind, Marble Canyon and Glen Canyon

When
April 28, 10:05 AM MST to 6:00 PM MST
Where
Marble Canyon and Glen Canyon forecast zone
Measured
56 kt (64 mph) measured gust
Reported by
AWOS
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

An automated weather station in House Rock Valley reported a peak wind gust of 64 MPH.

High Wind, Northeast Plateaus and Mesas From Highway 264 North

When
April 28, 10:05 AM MST to 6:05 PM MST
Where
Northeast Plateaus and Mesas From Highway 264 North forecast zone
Measured
52 kt (60 mph) estimated gust
Reported by
Mesonet
Coordinates
35.545, -110.527 (the zone’s center; the record gives no point)

Wind gusts to 60 MPH were estimated across the area based on the mesonet site at Tuba City just outside of this zone.

Dust Storm, Little Colorado River Valley in Coconino County

When
April 28, 11:00 AM MST to 11:00 PM MST
Where
Little Colorado River Valley in Coconino County forecast zone
Reported by
Law Enforcement
Coordinates
35.620, -111.045 (the zone’s center; the record gives no point)

Blowing dust reduced the visibility down to 10 feet at times across the Little Colorado River Valley at times from late morning through late evening. Interstate 40 was close for much of the time.

Dust Storm, Little Colorado River Valley in Navajo County

When
April 28, 11:00 AM MST to April 29, 12:00 AM MST
Where
Little Colorado River Valley in Navajo County forecast zone
Reported by
Law Enforcement
Coordinates
35.400, -110.321 (the zone’s center; the record gives no point)

Blowing dust reduced the visibility down to 10 feet at times across the Little Colorado River Valley at times from late morning through late evening. Interstate 40 was close for much of that time.

High Wind, Little Colorado River Valley in Coconino County

When
April 28, 11:20 AM MST to 6:20 PM MST
Where
Little Colorado River Valley in Coconino County forecast zone
Measured
63 kt (72 mph) measured gust
Reported by
Mesonet
Coordinates
35.620, -111.045 (the zone’s center; the record gives no point)

The ADOT anemometer at Two Guns measured a peak wind gust of 73 MPH.Tuba City had wind gusts to 60 MPH.

High Wind, Chinle Valley

When
April 28, 12:00 PM MST to 6:00 PM MST
Where
Chinle Valley forecast zone
Measured
52 kt (60 mph) estimated gust
Reported by
COOP Observer
Coordinates
35.398, -109.905 (the zone’s center; the record gives no point)

The wind gusts were estimated at 55 to 60 MPH across at Canyon de Chelly.

High Wind, Eastern Mogollon Rim

When
April 28, 12:24 PM MST to April 29, 3:24 AM MST
Where
Eastern Mogollon Rim forecast zone
Measured
55 kt (63 mph) measured gust
Reported by
RAWS
Coordinates
35.620, -111.045 (the zone’s center; the record gives no point)

The Limestone RAWS reported a peak wind gust of 63 MPH.

Dust Storm, Northeast Plateaus and Mesas South of Highway 264

When
April 28, 1:00 PM MST to 11:00 PM MST
Where
Northeast Plateaus and Mesas South of Highway 264 forecast zone
Reported by
Law Enforcement
Coordinates
35.545, -110.527 (the zone’s center; the record gives no point)

Blowing dust reduced the visibility down to 30 feet at times in Dilkon and across the area at times from late morning through late evening.

Dust Storm, Chinle Valley

When
April 28, 1:00 PM MST to 10:00 PM MST
Where
Chinle Valley forecast zone
Reported by
Trained Spotter
Coordinates
35.398, -109.905 (the zone’s center; the record gives no point)

Blowing dust reduced the visibility less than 100 feet at times in Kayenta, and Many Farms, and across the Chinle Valley from early afternoon morning through late evening. Interstate 40 was close for much of the time.

High Wind, Grand Canyon Country

When
April 28, 1:09 PM MST to 6:00 PM MST
Where
Grand Canyon Country forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
Public
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

Estimated wind gusts reached 58 MPH.

High Wind, Coconino Plateau

When
April 28, 3:09 PM MST to 8:09 PM MST
Where
Coconino Plateau forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
Unknown
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

Winds gusts were estimated to have reached 58 MPH.

High Wind, Little Colorado River Valley in Apache County

When
April 28, 3:18 PM MST to 11:18 PM MST
Where
Little Colorado River Valley in Apache County forecast zone
Measured
53 kt (61 mph) estimated gust
Reported by
ASOS
Coordinates
35.396, -109.489 (the zone’s center; the record gives no point)

The peak wind gust at the St Johns Airport was 61 MPH.

High Wind, Little Colorado River Valley in Navajo County

When
April 28, 3:53 PM MST to April 29, 2:56 AM MST
Where
Little Colorado River Valley in Navajo County forecast zone
Measured
70 kt (81 mph) measured gust
Property damage
$100,000
Reported by
ASOS
Coordinates
35.400, -110.321 (the zone’s center; the record gives no point)

The wind at the Winslow Airport gusted over 58 MPH close to 11 hours. There were power outages and power poles were blown down in Winslow.

High Wind, Chuska Mountains and Defiance Plateau

When
April 28, 3:58 PM MST to 7:58 PM MST
Where
Chuska Mountains and Defiance Plateau forecast zone
Measured
52 kt (60 mph) measured gust
Reported by
ASOS
Coordinates
35.396, -109.489 (the zone’s center; the record gives no point)

The Window Rock ASOS reported wind gusts to 60 MPH.

High Wind, Black Mesa Area

When
April 28, 4:00 PM MST to April 29, 3:45 AM MST
Where
Black Mesa Area forecast zone
Measured
56 kt (64 mph) estimated gust
Reported by
ASOS
Coordinates
35.545, -110.527 (the zone’s center; the record gives no point)

Wind gusts to 65 MPH were estimated across the area using ASOSs in adjoining zones.

High Wind, Northeast Plateaus and Mesas South of Highway 264

When
April 28, 4:00 PM MST to April 29, 3:00 AM MST
Where
Northeast Plateaus and Mesas South of Highway 264 forecast zone
Measured
56 kt (64 mph) estimated gust
Reported by
ASOS
Coordinates
35.545, -110.527 (the zone’s center; the record gives no point)

Winds gusts to 65 MPH were estimated by using ASOS readings in adjoining zones.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
Dust Storm
Blowing dust that reduced visibility to a quarter mile or less.

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

The same day elsewhere

More

Every storm in Arizona in 2010Every state in 2010This day in weather historyWarnings in Arizona, April 2010

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 2026-09-30. Each event’s entry at NCEI: 224268, 225316, 224272, 225305, 225341, 225342, 225309, 225306, 225318, 225344, 225346, 224274, 224396, 225312, 225311, 225308, 225319, 225320.