Arizona, 2019Excessive Heat and Heat in Arizona, September 6 to 9, 2019
September 6 to 9, 2019 · NWS PSR · 17 events in 12 counties and zones
The Desert Southwest remained under the influence of high pressure during the early part of September, leading to above normal temperatures and excessive heat warning conditions at times. Seven direct fatalities were reported by the Maricopa County Department of Public Health.
Every event with a place to put it; 17 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
- Deaths
- 7
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 17
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 Desert Southwest remained under the influence of high pressure during the early part of September, leading to above normal temperatures and excessive heat warning conditions at times. Seven direct fatalities were reported by the Maricopa County Department of Public Health.
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 Phoenix, AZ wrote its last area forecast discussion before the first event at Sep 5, 10:59 PM MST, 1 hour 1 minute earlier.
Area forecast discussion, Sep 5, 10:59 PM MST, 1 hour 1 minute before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>In the hours before
Special weather statement, Sep 5, 6:01 PM MST, 5 hours 59 minutes before
Special Weather Statement
National Weather Service Phoenix AZ
601 PM MST Thu Sep 5 2019
AZZ539-060145-
Gila Bend AZ-
601 PM MST Thu Sep 5 2019
...SIGNIFICANT WEATHER ADVISORY FOR MARICOPA COUNTY UNTIL 645 PM
MST...
At 601 PM MST, Doppler radar was tracking a strong thunderstorm 9
miles east of Sentinel, or 22 miles west of Gila Bend, moving
northeast at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Gila Bend.
This includes AZ Interstate 8 between mile markers 90 and 111.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3278 11305 3286 11317 3309 11303 3295 11277
TIME...MOT...LOC 0101Z 219DEG 10KT 3288 11306
Hernandez
Special weather statement, Sep 5, 6:16 PM MST, 5 hours 44 minutes before
Special Weather Statement
National Weather Service Phoenix AZ
616 PM MST Thu Sep 5 2019
AZZ533-060200-
Central La Paz AZ-
616 PM MST Thu Sep 5 2019
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL LA PAZ COUNTY UNTIL
700 PM MST...
At 616 PM MST, Doppler radar was tracking a strong thunderstorm near
Harcuvar, or 29 miles south of Alamo Lake, moving north at 10 mph.
Wind gusts of 50 to 55 mph will be possible with this storm.
Locations impacted include...
Salome, Harcuvar and Wenden.
This includes US Highway 60 between mile markers 54 and 58.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3376 11359 3375 11376 3398 11381 3399 11353
TIME...MOT...LOC 0116Z 181DEG 10KT 3384 11368
Hernandez
Special weather statement, Sep 5, 6:43 PM MST, 5 hours 17 minutes before
Special Weather Statement
National Weather Service Phoenix AZ
643 PM MST Thu Sep 5 2019
AZZ533-060230-
Central La Paz AZ-
643 PM MST Thu Sep 5 2019
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL LA PAZ COUNTY UNTIL
730 PM MST...
At 643 PM MST, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Brenda, or 43 miles southeast of Parker, moving
north at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Brenda and Vicksburg Junction.
This includes the following highways...
AZ Interstate 10 between mile markers 34 and 49.
US Highway 60 between mile markers 34 and 52.
AZ Route 72 between mile markers 47 and 49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3351 11375 3353 11394 3374 11400 3375 11365
TIME...MOT...LOC 0143Z 187DEG 10KT 3363 11384
Hernandez
Special weather statement, Sep 5, 7:59 PM MST, 4 hours 1 minute before
Special Weather Statement
National Weather Service Phoenix AZ
759 PM MST Thu Sep 5 2019
AZZ533-060345-
Central La Paz AZ-
759 PM MST Thu Sep 5 2019
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL LA PAZ COUNTY UNTIL
845 PM MST...
At 759 PM MST, Doppler radar was tracking a strong thunderstorm near
Vicksburg, or 34 miles south of Alamo Lake, moving north at 5 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Vicksburg and Vicksburg Junction.
This includes the following highways...
US Highway 60 between mile markers 47 and 49.
AZ Route 72 between mile markers 38 and 49.
LAT...LON 3372 11370 3372 11384 3387 11389 3387 11363
TIME...MOT...LOC 0259Z 181DEG 5KT 3379 11377
Hernandez
Special weather statement, Sep 5, 9:21 PM MST, 2 hours 39 minutes before
Special Weather Statement
National Weather Service Phoenix AZ
921 PM MST Thu Sep 5 2019
AZZ533-060500-
Central La Paz AZ-
921 PM MST Thu Sep 5 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL LA PAZ COUNTY UNTIL
1000 PM MST...
At 921 PM MST, Doppler radar was tracking a strong thunderstorm 11
miles northeast of Bouse, or 21 miles southeast of Parker Dam, moving
north at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
This storm will remain over mainly rural areas of north central La
Paz County.
LAT...LON 3395 11379 3397 11394 3422 11401 3418 11365
TIME...MOT...LOC 0421Z 186DEG 9KT 3405 11387
Hernandez
Heat, Central Phoenix
- When
- September 6, 12:00 AM MST to 11:59 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Heat, Buckeye/Avondale
- When
- September 6, 12:00 AM MST to 11:59 PM MST
- Where
- Buckeye/Avondale forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Excessive Heat, Central Phoenix
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Excessive Heat, East Valley
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- East Valley forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Excessive Heat, Northwest Valley
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Northwest Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Buckeye/Avondale
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Buckeye/Avondale forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Cave Creek/New River
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Cave Creek/New River forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Deer Valley
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Deer Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, North Phoenix/Glendale
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- North Phoenix/Glendale forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Scottsdale/Paradise Valley
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Scottsdale/Paradise Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Fountain Hills/East Mesa
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Fountain Hills/East Mesa forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, South Mountain/Ahwatukee
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- South Mountain/Ahwatukee forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Valley/Queen Creek
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Southeast Valley/Queen Creek forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Aguila Valley
- When
- September 7, 10:00 AM MST to 8:00 PM MST
- Where
- Aguila Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Heat, Central Phoenix
- When
- September 8, 5:00 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Heat, Central Phoenix
- When
- September 9, 5:00 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
Heat, North Phoenix/Glendale
- When
- September 9, 5:00 PM MST
- Where
- North Phoenix/Glendale forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender and circumstances unavailable.
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
- Excessive Heat
- Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flooding and Hail in Colorado, September 6, 2019$155,000 · 1 in hail · 3 events
- Tornado and Hail in Colorado, September 6, 2019$50,000 · EF0 · 8 events
- Flash Flooding and Heavy Rain in North Carolina, September 6 to 7, 201919 events
- Tropical Storm and Flood in Massachusetts, September 6 to 7, 2019$5,000 · 55 kt wind · 17 events
- Damaging Winds and Heavy Rain in Montana, September 6 to 9, 201962 kt wind · 11 events
- Lightning Strike in Washington, September 6, 20191 injured · 1 event
- Heavy Rain in Virginia, September 6 to 7, 20199 events
- Coastal Flood in Virginia, September 6, 20197 events
- Debris Flow and Flooding in Puerto Rico, September 6 to 8, 20197 events
- Coastal Flood in North Carolina, September 6, 20196 events
- Damaging Winds in Wyoming, September 6, 201970 kt wind · 6 events
- Damaging Winds in Idaho, September 6, 201956 kt wind · 2 events
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 2026-10-01. Each event’s entry at NCEI: 931237, 931238, 931241, 931242, 931243, 931244, 931245, 931246, 931248, 931249, 931250, 931251, 931252, 931253, 931256, 931257, 931258.