Alert archive / Arizona / Special Weather Statements in 2020

Special Weather Statement, NWS Flagstaff, AZ

August 20, 2020

NWS Flagstaff, AZ issued this special weather statement at Aug 20, 2020, 2:13 PM MST. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 20, 2020, 2:13 PM MST (21:13 UTC)
Expired: Aug 20, 2020, 2:45 PM MST
In force: 32 min
Issued by: NWS Flagstaff, AZ

The radar

The Flagstaff radar (KFSX), 9 km from the middle of the area, began a volume at 21:15 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.

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 20, 9:20 AM MST, 4 hours 53 minutes earlier.

Area forecast discussion, Aug 20, 9:20 AM MST, 4 hours 53 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, Aug 20, 1:14 PM MST, 59 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
114 PM MST Thu Aug 20 2020

AZZ016-018-202100-
Northern Gila County-Eastern Mogollon Rim-
114 PM MST Thu Aug 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR GILA AND COCONINO COUNTIES UNTIL
200 PM MST...

At 113 PM MST, Doppler radar was tracking a strong thunderstorm over
Christopher Creek, or 8 miles west of Forest Lakes, moving southwest
at 5 mph.

Penny size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Hunter Creek, Christopher Creek, Forest Road 9350 Campground, Forest
Road 169 Campground, Rim Campground, Spillway Campground, Christopher
Creek Campground, Woods Canyon Lake Campground, Sharp Creek
Campground, Forest Road 195 Campground, Mogollon Campground and Crook
Campground.

LAT...LON 3422 11095 3430 11107 3439 11096 3433 11087
TIME...MOT...LOC 2013Z 046DEG 6KT 3433 11096

McCollum

Special weather statement, Aug 20, 1:51 PM MST, 22 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
151 PM MST Thu Aug 20 2020

AZZ016-202115-
Eastern Mogollon Rim-
151 PM MST Thu Aug 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR COCONINO COUNTY UNTIL 215 PM
MST...

At 150 PM MST, Doppler radar was tracking a strong thunderstorm 7
miles north of Christopher Creek, or 13 miles northwest of Forest
Lakes, moving southwest at 5 mph.

Penny size hail and winds in excess of 30 mph will be possible with
this storm.

This storm will remain over mainly rural areas of Coconino County.

LAT...LON 3448 11101 3444 11095 3437 11101 3443 11109
TIME...MOT...LOC 2050Z 035DEG 5KT 3443 11102

McCollum

Special weather statement, Aug 20, 2:13 PM MST, 0 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
213 PM MST Thu Aug 20 2020

AZZ016-202145-
Eastern Mogollon Rim-
213 PM MST Thu Aug 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR COCONINO COUNTY UNTIL 245 PM
MST...

At 211 PM MST, Doppler radar was tracking a strong thunderstorm near
Starlight Pines, moving southwest at 5 mph.

Penny size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Starlight Pines.

LAT...LON 3464 11111 3455 11101 3446 11108 3458 11121
TIME...MOT...LOC 2111Z 036DEG 5KT 3457 11111

McCollum

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 5:50 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	25 min
Aug 20, 1:14 PM MST	Special Weather Statement	FGZ		46 min
Aug 20, 1:51 PM MST	Special Weather Statement	FGZ		24 min
Aug 20, 2:33 PM MST	Severe Thunderstorm Warning	FGZ	Gila	27 min
Aug 20, 3:07 PM MST	Special Weather Statement	FGZ		23 min
Aug 20, 3:15 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Gila, Navajo	30 min
Aug 20, 3:21 PM MST	Severe Thunderstorm Warning	FGZ	Gila	24 min
Aug 20, 4:16 PM MST	Special Weather Statement	FGZ		29 min

Nearby

Special Weather Statements in Arizona, 2020 Every special weather statement in 2020

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.