Alert archive / Nebraska / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 191, NWS Hastings, NE

June 23, 2013Greeley County, Valley County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 23, 2013, 12:28 AM CDT for Greeley County, Valley 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 23, 2013, 12:28 AM CDT (05:28 UTC)
Expired: Jun 23, 2013, 1:15 AM CDT
In force: 47 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Greeley County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 05:30 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 22, 5:56 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.5 hours before the alert went out and 162 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: 3186 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1083 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 348 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 28.0

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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 5:43 PM CDT, 6 hours 45 minutes earlier.

Area forecast discussion, Jun 22, 5:43 PM CDT, 6 hours 45 minutes before

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Hazardous weather outlook, Jun 22, 6:11 PM CDT, 6 hours 17 minutes before

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In the hours before

Local storm report, Jun 22, 11:31 PM CDT, 57 minutes before

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Special weather statement, Jun 22, 11:40 PM CDT, 48 minutes before

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Local storm report, Jun 23, 12:06 AM CDT, 22 minutes before

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Special weather statement, Jun 23, 12:06 AM CDT, 22 minutes before

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Special weather statement, Jun 23, 12:24 AM CDT, 4 minutes before

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Local storm report, Jun 23, 12:27 AM CDT, 1 minute before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 11:12 PM CDT	Special Weather Statement	GID	Dawson	48 min
Jun 22, 11:40 PM CDT	Special Weather Statement	GID	Sherman, Valley	50 min
Jun 23, 12:06 AM CDT	Special Weather Statement	GID	Buffalo, Gosper, Kearney, Phelps	39 min
Jun 23, 12:24 AM CDT	Special Weather Statement	GID	Furnas, Gosper	36 min
Jun 23, 12:34 AM CDT	Severe Thunderstorm Warning	GID	Dawson, Furnas, Gosper	41 min
Jun 23, 12:40 AM CDT	Special Weather Statement	GID	Buffalo, Howard, Sherman	35 min
Jun 23, 12:59 AM CDT	Severe Thunderstorm Warning	GID	Dawson, Furnas, Gosper, Phelps	31 min
Jun 23, 1:30 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Gosper, Harlan, Kearney, Phelps	30 min
Jun 23, 1:59 AM CDT	Special Weather Statement	GID	Buffalo, Kearney, Phelps	31 min
Jun 23, 3:12 AM CDT	Special Weather Statement	GID	Hall	33 min
Jun 23, 3:19 AM CDT	Special Weather Statement	GID	York	26 min
Jun 23, 3:59 AM CDT	Special Weather Statement	GID	Fillmore	31 min
Jun 23, 4:34 AM CDT	Special Weather Statement	GID	Thayer	26 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2013 Every severe thunderstorm warning in 2013

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.