Alert archive / Kansas / Special Weather Statements in 2017

Special Weather Statement, NWS Goodland, KS

August 1, 2017Wichita County, Kansas

NWS Goodland, KS issued this special weather statement at Aug 1, 2017, 2:49 PM CDT for Wichita County, Kansas. It was in force for 41 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 1, 2017, 2:49 PM CDT (19:49 UTC)
Expired
Aug 1, 2017, 3:30 PM CDT
In force
41 min
Issued by
NWS Goodland, KS

County Wichita County, KS

The radar

The Goodland radar (KGLD), 108 km from the middle of the area, began a volume at 19:51 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 12:00Z, 7.8 hours before the alert went out and 141 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-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2017-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2017-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
42 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Goodland, KS wrote its last area forecast discussion before this special weather statement went out at Aug 1, 11:05 AM CDT, 3 hours 44 minutes earlier.

Area forecast discussion, Aug 1, 11:05 AM CDT, 3 hours 44 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Aug 1, 1:45 PM CDT, 1 hour 4 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1245 PM MDT Tue Aug 1 2017

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-021200-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
1245 PM MDT Tue Aug 1 2017 /145 PM CDT Tue Aug 1 2017/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

Isolated thunderstorms are expected this afternoon generally along
and south of Interstate 70. The primary threats will be hail to one
inch in diameter, wind gusts to 50 mph and a brief period of locally
heavy rainfall which may create reduced visibilities.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY...

Scattered thunderstorms are expected from late Wednesday afternoon
into the nighttime hours. Some of these storms could become severe
with large hail and damaging winds being the main threats.

There will be a chance of severe thunderstorms across the area from
Friday afternoon into Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Aug 1, 2:49 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
249 PM CDT TUE AUG 1 2017

KSZ042-012030-
Wichita KS-
249 PM CDT TUE AUG 1 2017

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN WICHITA COUNTY UNTIL 330
PM CDT...

At 249 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Modoc, moving south at 15 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Marienthal.

LAT...LON 3835 10138 3865 10126 3863 10113 3832 10113
TIME...MOT...LOC 1949Z 009DEG 11KT 3857 10117

Lockhart

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 2:51 PM CDTSpecial Weather StatementGLDGreeley9 min
Aug 1, 2:55 PM CDTSevere Thunderstorm WarningGLDWichita36 min
Aug 1, 3:30 PM CDTSpecial Weather StatementGLDWichita15 min

Nearby

Special Weather Statements in Kansas, 2017Every special weather statement in 2017

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.