Weather Alerts for Phoenix

Issued by the National Weather Service

       Dust Storm Warning              Flash Flood Warning              Flood Advisory              Dust Advisory              Severe Weather Statement      

Dust Storm Warning  DUST STORM WARNING   Dust Storm Warning
PHOENIX

Areas Affected:
Maricopa - Pinal
Effective: Sat, 9/18 3:36pm Updated: Sat, 9/18 4:00pm Urgency: Expected
Expires: Sat, 9/18 4:00pm Severity:  Severe  Certainty: Likely

 
Details:
...A DUST STORM WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR
MARICOPA AND PINAL COUNTIES...
At 335 PM MST, a wall of dust was along a line extending from
Downtown Mesa to Phoenix Mesa Gateway Airport to San Tan Valley,
moving northeast at 45 mph.
HAZARD...Less than one quarter mile visibility with damaging wind
in excess of 60 mph.
SOURCE...Doppler radar.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
AZ Interstate 10 between mile markers 156 and 183.
US Highway 60 between mile markers 173 and 197, and between mile
markers 201 and 209.
AZ Route 87 between mile markers 148 and 172.
Locations impacted include...
Mesa, Chandler, Gilbert, Tempe, Apache Junction, Gold Canyon, Sun
Lakes, Queen Creek, San Tan Village Mall, San Tan Valley, Seville,
Freestone Park, Bapchule, Fiesta Mall and Phoenix Mesa Gateway
Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, then pull off the road, turn off your lights and keep
your foot off the brake.
Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!
Strong to severe thunderstorms are also possible behind this wall of
dust. Keep updated with this quickly evolving situation.

Flash Flood Warning  FLASH FLOOD WARNING   Flash Flood Warning
PHOENIX

Areas Affected:
Maricopa - Pinal
Effective: Sat, 9/18 3:32pm Updated: Sat, 9/18 4:00pm Urgency: Immediate
Expires: Sat, 9/18 4:45pm Severity:  Severe  Certainty: Likely

 
Details:
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM MST THIS
AFTERNOON FOR MARICOPA AND PINAL COUNTIES...
At 332 PM MST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 1
and 1.5 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Estrella, Sonoran National Monument, Estrella Sailport, Bosque and
Mobile.
This includes the following highways...
AZ Route 238 between mile markers 10 and 19.
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

Information:
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flood Advisory  FLOOD ADVISORY   Flood Advisory
PHOENIX

Areas Affected:
Maricopa - Pinal
Effective: Sat, 9/18 3:32pm Updated: Sat, 9/18 4:00pm Urgency: Expected
Expires: Sat, 9/18 4:45pm Severity: Minor Certainty: Likely

 
Details:
The National Weather Service in Phoenix has issued a
* Flood Advisory for...
Maricopa County in south central Arizona...
Pinal County in southeastern Arizona...
* Until 615 PM MST.
* At 308 PM MST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain has
fallen.
* Some locations that will experience flooding include...
Maricopa, Ak-Chin Village and Stanfield.
Additional rainfall amounts up to 0.5 inches are expected over the
area. This additional rain will result in minor flooding.

Information:
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Dust Advisory  DUST ADVISORY   Dust Advisory
PHOENIX

Areas Affected:
Maricopa - Pinal
Effective: Sat, 9/18 2:54pm Updated: Sat, 9/18 4:00pm Urgency: Expected
Expires: Sat, 9/18 4:00pm Severity:  Moderate  Certainty: Likely

 
Details:
The National Weather Service in Phoenix has issued a
* Dust Advisory for...
Maricopa County in south central Arizona...
Pinal County in southeastern Arizona...
* Until 400 PM MST.
* At 254 PM MST, a wall of dust was along a line extending from near
Estrella Sailport to near Maricopa to 12 miles west of Casa Grande,
moving northeast at 40 mph.
HAZARD...Less than one mile visibility with strong wind in excess
of 50 mph.
SOURCE...Public.
IMPACT...Hazardous travel.
* This includes the following highways...
AZ Interstate 10 between mile markers 158 and 192.
AZ Interstate 8 between mile markers 152 and 164.
US Highway 60 between mile markers 203 and 209.
Locations impacted include...
Mesa, Chandler, Gilbert, Tempe, Casa Grande, Florence, Coolidge, Sun
Lakes, Maricopa, Queen Creek, San Tan Village Mall, San Tan Valley,
Seville, South Mountain Park and Bapchule.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Blowing dust brings reduced visibility, leading to dangerous driving
conditions. If driving, avoid blowing dust if possible. If caught in
dense blowing dust, pull off the road, turn off your lights and keep
your foot off the brake.
Motorists should not drive into an area of blowing dust. PULL ASIDE
STAY ALIVE!

Severe Weather Statement  SEVERE WEATHER STATEMENT   Severe Weather Statement
PHOENIX

Areas Affected:
Maricopa - Pinal
Effective: Sat, 9/18 3:32pm Updated: Sat, 9/18 4:00pm Urgency: Immediate
Expires: Sat, 9/18 4:45pm Severity:  Severe  Certainty: Observed

 
Details:
...THE SEVERE THUNDERSTORM WARNING FOR MARICOPA AND PINAL COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds and heavy rain are still
possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Phoenix.