A low pressure center off the coast of Baja California moved east-northeast across Arizona on November 21 and 22. This brought deep moisture over Arizona with showers and thunderstorms.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 episode as NWS FGZ wrote it up.
A low pressure center off the coast of Baja California moved east-northeast across Arizona on November 21 and 22. This brought deep moisture over Arizona with showers and thunderstorms. These storms produced locally heavy rain and flash flooding.
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 Nov 19, 8:50 PM MST, 3 hours 10 minutes earlier.
<!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>The Phoenix radar (KIWA), 98 km away, was scanning. The volume nearest the first event began at 07:01 UTC.
2 heavy rain, 1 heavy snow, 1 flash flood. Local standard time, as filed.
A public report of 2.47 inches of rain in Black Canyon City was received. This rain fell in Black Canyon City from early morning until 842 PM. The Agua Fria River and Black Canyon Creek experienced high water flows and were receding by the time of this report.
Eight inches of snow was reported in Alpine by 0600 AM. Nutrioso received 12.5 inches of snow by 300 PM.
The Show Low area received 2.47 inches of rain and melted snow in a 24 hour period. There was 2.2 inches of snowfall.
The Agua Fria River at Black Canyon City rose 5.5 feet in less than 3 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2019Every state in 2019This day in weather historyWarnings in Arizona, November 2019
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: 858393, 858411, 858410, 858405.