Alert archive / Kansas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 179, NWS Goodland, KS

July 2, 2017Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Jul 2, 2017, 2:13 AM CDT for Norton County, Kansas. 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 counties it named.

The facts

Issued: Jul 2, 2017, 2:13 AM CDT (07:13 UTC)
Expired: Jul 2, 2017, 2:45 AM CDT
In force: 32 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Norton County, KS

The radar

The Grand Island radar (KUEX), 138 km from the middle of the area, began a volume at 07:14 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

Denver, CO (KDEN), launched 00:00Z, 7.2 hours before the alert went out and 284 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: 44 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 3715 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 168 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 Jul 2, 1:54 AM CDT, 19 minutes earlier.

Area forecast discussion, Jul 2, 1:54 AM CDT, 19 minutes before

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Hazardous weather outlook, Jul 1, 8:28 PM CDT, 5 hours 45 minutes before

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In the hours before

Special weather statement, Jul 1, 9:06 PM CDT, 5 hours 7 minutes before

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Special weather statement, Jul 1, 9:44 PM CDT, 4 hours 29 minutes before

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Special weather statement, Jul 2, 12:31 AM CDT, 1 hour 42 minutes before

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Special weather statement, Jul 2, 1:32 AM CDT, 41 minutes before

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Special weather statement, Jul 2, 1:42 AM CDT, 31 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
Jul 2, 1:32 AM CDT	Special Weather Statement	GLD	Norton	43 min
Jul 2, 1:42 AM CDT	Special Weather Statement	GLD	Graham	48 min
Jul 2, 2:33 AM CDT	Special Weather Statement	GLD	Norton	42 min
Jul 2, 2:35 AM CDT	Special Weather Statement	GLD	Graham	40 min
Jul 2, 2:44 AM CDT	Special Weather Statement	GLD	Norton	31 min
Jul 2, 2:59 AM CDT	Special Weather Statement	GLD	Norton	16 min
Jul 2, 3:15 AM CDT	Special Weather Statement	GLD	Graham, Norton	60 min
Jul 2, 4:41 AM CDT	Special Weather Statement	GLD	Norton	49 min
Jul 2, 5:39 AM CDT	Special Weather Statement	GLD	Norton	36 min
Jul 1, 9:06 PM CDT	Special Weather Statement	GLD	Cheyenne	24 min
Jul 1, 9:44 PM CDT	Special Weather Statement	GLD	Hitchcock	31 min
Jul 2, 12:31 AM CDT	Special Weather Statement	GLD	Red Willow	29 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2017 Every severe thunderstorm warning 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.