Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 15, 2021Graham County, Kansas

NWS Goodland, KS issued this special weather statement at Aug 15, 2021, 4:30 AM CDT for Graham County, Kansas. It was in force for 30 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 15, 2021, 4:30 AM CDT (09:30 UTC)
Expired: Aug 15, 2021, 5:00 AM CDT
In force: 30 min
Issued by: NWS Goodland, KS
Hail: 0.88 in
Wind: 50

County Graham County, KS

The radar

The Dodge City radar (KDDC), 162 km from the middle of the area, began a volume at 09:30 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 9.5 hours before the alert went out and 160 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1001 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1761 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

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 Goodland, KS wrote its last area forecast discussion before this special weather statement went out at Aug 15, 4:28 AM CDT, 2 minutes earlier.

Area forecast discussion, Aug 15, 4:28 AM CDT, 2 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>

Hazardous weather outlook, Aug 15, 12:00 AM CDT, 4 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Goodland KS
1100 PM MDT Sat Aug 14 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-160500-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1100 PM MDT Sat Aug 14 2021 /1200 AM CDT Sun Aug 15 2021/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

.DAY ONE...TONIGHT...

The Severe Thunderstorm Watch is no longer in effect. Scattered
thunderstorms are possible overnight for areas along a west of
Highway 27. Locally heavy rainfall is possible, along with small hail
and gusty winds.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY...

Isolated showers and thunderstorms will be possible Sunday and
Monday during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Aug 15, 2:10 AM CDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service Goodland KS
110 AM MDT Sun Aug 15 2021

COZ091-092-KSZ027-150745-
Kit Carson County CO-Cheyenne County CO-Wallace KS-
110 AM MDT Sun Aug 15 2021

...Strong thunderstorms will impact portions of Cheyenne, southern
Kit Carson Counties in east central Colorado and Wallace Counties in
west central Kansas through 145 AM MDT...

At 109 AM MDT, trained weather spotters reported strong thunderstorms
along a line extending from 8 miles southeast of Flagler to 8 miles
south of Goodland. Movement was south at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Measured at the Burlington airport.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
  Sharon Springs.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 391 and 443.
 Highway 385 between mile markers 144 and 189.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3936 10315 3931 10205 3913 10205 3914 10153
      3875 10151 3872 10316
TIME...MOT...LOC 0709Z 358DEG 27KT 3918 10299 3923 10172

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Lundquist

Special weather statement, Aug 15, 2:28 AM CDT, 2 hours 2 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>

Special weather statement, Aug 15, 2:45 AM CDT, 1 hour 45 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>

Special weather statement, Aug 15, 3:31 AM CDT, 59 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>

Special weather statement, Aug 15, 3:58 AM CDT, 32 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>

Special weather statement, Aug 15, 4:30 AM CDT, 0 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>

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 14, 11:23 PM CDT	Special Weather Statement	GLD	Cheyenne	67 min
Aug 15, 12:26 AM CDT	Special Weather Statement	GLD	Cheyenne	34 min
Aug 15, 12:49 AM CDT	Special Weather Statement	GLD	Sherman	26 min
Aug 15, 1:14 AM CDT	Special Weather Statement	GLD	Sherman	31 min
Aug 15, 1:40 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Cheyenne	40 min
Aug 15, 1:53 AM CDT	Special Weather Statement	GLD	Sherman	37 min
Aug 15, 2:10 AM CDT	Special Weather Statement	GLD	Wallace	35 min
Aug 15, 2:28 AM CDT	Special Weather Statement	GLD	Sherman	32 min
Aug 15, 2:45 AM CDT	Special Weather Statement	GLD	Wallace	30 min
Aug 15, 3:31 AM CDT	Special Weather Statement	GLD	Graham	29 min
Aug 15, 3:58 AM CDT	Special Weather Statement	GLD	Graham	32 min
Aug 15, 5:14 AM CDT	Flash Flood Warning	GLD	Graham	6 hr
Aug 15, 2:55 PM CDT	Special Weather Statement	GLD	Graham	20 min
Aug 15, 3:26 PM CDT	Special Weather Statement	GLD	Graham	19 min
Aug 15, 6:04 PM CDT	Severe Thunderstorm Warning	GLD	Gove	26 min
Aug 14, 10:31 PM CDT	Special Weather Statement	GLD	Yuma	59 min
Aug 15, 6:26 PM CDT	Special Weather Statement	GLD	Cheyenne	64 min

Nearby

Special Weather Statements in Kansas, 2021 Every special weather statement in 2021

Sources

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