Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 160, NWS Goodland, KS

June 21, 2019Dundy County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Jun 21, 2019, 12:58 AM MDT for Dundy County, Nebraska. It was in force for 47 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: Jun 21, 2019, 12:58 AM MDT (06:58 UTC)
Expired: Jun 21, 2019, 1:45 AM MDT
In force: 47 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Dundy County, NE

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 06:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 8:44 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 7.0 hours before the alert went out and 136 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: 88 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 3152 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 11:25 PM MDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jun 20, 11:25 PM MDT, 1 hour 33 minutes before

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Hazardous weather outlook, Jun 21, 12:12 AM MDT, 46 minutes before

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In the hours before

Special weather statement, Jun 20, 10:13 PM MDT, 2 hours 45 minutes before

Special Weather Statement
National Weather Service Goodland KS
1113 PM CDT Thu Jun 20 2019

KSZ002-003-NEZ081-210500-
Rawlins KS-Decatur KS-Red Willow NE-
1113 PM CDT Thu Jun 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN RAWLINS...WESTERN DECATUR
AND SOUTHWESTERN RED WILLOW COUNTIES UNTIL MIDNIGHT CDT...

At 1113 PM CDT, Doppler radar was tracking a strong thunderstorm near
Ludell, or 7 miles northeast of Atwood, moving northeast at 30 mph.

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

Locations impacted include...
Oberlin, Atwood, Herndon, Ludell, Dresden, Traer and Leoville.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Kansas...and southwestern Nebraska.

LAT...LON 3958 10042 3957 10095 3991 10109 4000 10085
      4000 10076 4004 10076 4013 10052
TIME...MOT...LOC 0413Z 241DEG 25KT 3987 10092

Lockhart

Special weather statement, Jun 20, 10:33 PM MDT, 2 hours 25 minutes before

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Local storm report, Jun 20, 10:43 PM MDT, 2 hours 15 minutes before

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Special weather statement, Jun 20, 10:47 PM MDT, 2 hours 11 minutes before

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Special weather statement, Jun 20, 11:18 PM MDT, 1 hour 40 minutes before

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Special weather statement, Jun 20, 11:36 PM MDT, 1 hour 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:37 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	38 min
Jun 20, 8:16 PM MDT	Special Weather Statement	GLD	Cheyenne	14 min
Jun 20, 8:27 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	21 min
Jun 20, 8:56 PM MDT	Special Weather Statement	GLD	Rawlins	19 min
Jun 20, 9:39 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Norton, Rawlins, Sheridan	66 min
Jun 20, 10:13 PM MDT	Special Weather Statement	GLD	Decatur	47 min
Jun 20, 10:33 PM MDT	Special Weather Statement	GLD	Sheridan	27 min
Jun 20, 10:40 PM MDT	Severe Thunderstorm Warning	GLD	Norton	35 min
Jun 20, 10:47 PM MDT	Special Weather Statement	GLD	Decatur	28 min
Jun 20, 11:01 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	29 min
Jun 20, 11:18 PM MDT	Special Weather Statement	GLD	Norton	27 min
Jun 20, 11:36 PM MDT	Special Weather Statement	GLD	Graham	24 min
Jun 21, 2:58 AM MDT	Special Weather Statement	GLD	Decatur, Norton	47 min
Jun 20, 6:10 PM MDT	Special Weather Statement	GLD	Kit Carson	20 min
Jun 20, 6:57 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	48 min
Jun 20, 7:18 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	26 min
Jun 21, 5:22 PM MDT	Special Weather Statement	GLD	Cheyenne	23 min
Jun 21, 1:36 AM MDT	Special Weather Statement	GLD	Hitchcock	24 min
Jun 21, 1:53 AM MDT	Special Weather Statement	GLD	Hitchcock	37 min
Jun 21, 2:29 AM MDT	Special Weather Statement	GLD	Red Willow	31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.