Alert archive / Arizona / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 48, NWS Flagstaff, AZ

September 14, 2019Gila County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Sep 14, 2019, 2:25 PM MST for Gila County, Arizona. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 14, 2019, 2:25 PM MST (21:25 UTC)
Expired: Sep 14, 2019, 3:00 PM MST
In force: 35 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Gila County, AZ

The radar

The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 21:26 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Sep 14, 9:58 AM MST, 4 hours 27 minutes earlier.

Area forecast discussion, Sep 14, 9:58 AM MST, 4 hours 27 minutes 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 14, 1:49 PM MST, 36 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
149 PM MST Sat Sep 14 2019

AZZ018-142115-
Northern Gila County-
149 PM MST Sat Sep 14 2019

...SIGNIFICANT WEATHER ADVISORY FOR GILA COUNTY 5 TO 15 MILES
SOUTHWEST OF CARRIZO UNTIL 215 PM MST...

At 146 PM MST, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Carrizo, or 30 miles southwest of Show Low, moving
southwest at 15 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

This storm will remain over mainly rural areas of Gila County
including Highway 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3383 11051 3385 11056 3384 11057 3385 11057
      3398 11037 3390 11028 3383 11033 3382 11042
TIME...MOT...LOC 2046Z 043DEG 13KT 3390 11038

JJ

The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 14, 1:49 PM MST	Special Weather Statement	FGZ	Gila	26 min
Sep 14, 2:54 PM MST	Special Weather Statement	FGZ	Yavapai	36 min
Sep 14, 3:51 PM MST	Special Weather Statement	FGZ	Yavapai	39 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2019 Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.