Alert archive / Nebraska / Mesoscale Discussions in 2005

Mesoscale Discussion 534

April 10, 200532 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 10, 2005, 2:33 AM CDT for 32 counties in Nebraska. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Apr 10, 2005, 2:33 AM CDT (07:33 UTC)
Expired: Apr 10, 2005, 3:30 AM CDT
In force: 57 min
Issued by: the Storm Prediction Center

All 32 counties

Antelope County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Holt County, NE, Howard County, NE, Kearney County, NE, Keya Paha County, NE, Knox County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 07:37 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.6 hours before the alert went out and 107 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3224 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 9, 7:19 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Arthur, Blaine, Boone, Buffalo and 33 more	2 hr
Apr 9, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Antelope, Blaine, Boone, Brown, Buffalo, Custer and 24 more	7 hr
Apr 9, 11:08 PM CDT	Mesoscale Discussion	SPC	Antelope, Blaine, Boyd, Brown, Buffalo, Custer and 21 more	2 hr
Apr 10, 1:07 PM CDT	Mesoscale Discussion	SPC	Clay, Fillmore, Gage, Jefferson, Johnson, Nuckolls and 4 more	113 min
Apr 10, 1:40 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Buffalo, Clay, Fillmore, Franklin, Furnas and 19 more	6 hr
Apr 10, 2:57 PM CDT	Mesoscale Discussion	SPC	Burt, Cass, Cuming, Dakota, Dodge, Douglas and 4 more	2 hr
Apr 10, 3:31 PM CDT	Mesoscale Discussion	SPC	Adams, Buffalo, Clay, Fillmore, Franklin, Gage and 19 more	89 min
Apr 10, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	Burt, Butler, Cass, Colfax, Cuming, Dakota and 14 more	7 hr

Nearby

Mesoscale Discussions in Nebraska, 2005 Every mesoscale discussion in 2005

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.