Alert archive / Kansas / Special Weather Statements in 2017

Special Weather Statement, NWS Wichita, KS

June 17, 2017Allen County, Kansas

NWS Wichita, KS issued this special weather statement at Jun 17, 2017, 2:46 AM CDT for Allen County, Kansas. It was in force for 29 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
Jun 17, 2017, 2:46 AM CDT (07:46 UTC)
Expired
Jun 17, 2017, 3:15 AM CDT
In force
29 min
Issued by
NWS Wichita, KS

County Allen County, KS

The radar

The Pleasant Hill radar (KEAX), 122 km from the middle of the area, began a volume at 07:46 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

Topeka, KS (KFOE), launched 00:00Z, 7.8 hours before the alert went out and 119 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, Topeka, KS at 00:00Z on 2017-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3990 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, Topeka, KS at 00:00Z on 2017-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.193958Sfc1 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
3990 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1299 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
2.4
Supercell composite
23.8

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 Wichita, KS wrote its last area forecast discussion before this special weather statement went out at Jun 16, 10:47 PM CDT, 3 hours 59 minutes earlier.

Area forecast discussion, Jun 16, 10:47 PM CDT, 3 hours 59 minutes before
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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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jun 16, 6:08 PM CDT, 8 hours 38 minutes before
Hazardous Weather Outlook
National Weather Service Wichita KS
608 PM CDT Fri Jun 16 2017

KSZ032-033-047>053-067>072-082-083-091>096-098>100-172315-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
608 PM CDT Fri Jun 16 2017

This hazardous weather outlook is for portions of Central Kansas,
South Central Kansas and Southeast Kansas.

.DAY ONE...Tonight

Thunderstorms may develop southward into far southeast Kansas later
tonight. A few strong to severe storms would be possible with
damaging winds and large hail.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a greater chance of severe thunderstorms Saturday
afternoon and Saturday night as a cold front moves through the
area. Large hail and damaging winds will once again be the main
threats.

Heat indices of 100 to 105 are forecast for Saturday afternoon,
with the higher values expected along and east of I-135. See the
Excessive Heat Advisory for further details.

There will be periodic chances of thunderstorms from Tuesday
through Thursday. Some strong storms are likely during this period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight.

&&

For a graphical version of this information, see our webpage at:
http://weather.gov/wichita/hwo/

In the hours before

Special weather statement, Jun 17, 2:46 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Wichita KS
246 AM CDT SAT JUN 17 2017

KSZ072-170815-
Allen KS-
246 AM CDT SAT JUN 17 2017

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Northeastern Allen County in southeastern Kansas...

* Until 315 AM CDT

* At 242 AM CDT...National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from Blue
  Mound to near Lone Elm...and moving southeast at 40 mph.

wind gusts up to 50 mph will be possible with these storms.

* Locations impacted include...
  Moran and Mildred.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issues by the National Weather
Service.

&&

A severe thunderstorm watch remains in effect until 700 AM CDT for
southeastern Kansas.

LAT...LON 3804 9530 3804 9508 3782 9508
TIME...MOT...LOC 0745Z 318DEG 42KT 3809 9504 3811 9529

KLEINSASSER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 3:44 AM CDTExcessive Heat WarningICTChautauqua, Cowley, Labette, Montgomery, Sumner12 hr
Jun 17, 4:31 AM CDTSevere Thunderstorm WarningICTAllen74 min
Jun 17, 5:25 AM CDTSevere Thunderstorm WarningICTNeosho65 min
Jun 17, 6:05 AM CDTSpecial Weather StatementICTLabette25 min
Jun 17, 6:51 AM CDTSpecial Weather StatementICTLabette24 min
Jun 17, 6:59 PM CDTSpecial Weather StatementICTSaline31 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.