Alert archive / Nebraska / Mesoscale Discussions in 2022

Mesoscale Discussion 1049

June 6, 202235 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2022, 12:20 PM CDT for 35 counties in Nebraska. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 6, 2022, 12:20 PM CDT (17:20 UTC)
Expired
Jun 6, 2022, 2:15 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%
All 35 counties

Antelope County, NE, Arthur County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Garfield County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, McPherson County, NE, Merrick County, NE, Nance County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Rock County, NE, Sheridan County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 25 km from the middle of the area, began a volume at 17:20 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 5.3 hours before the alert went out and 98 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, N. Platte/Lee Bi, NE at 12:00Z on 2022-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 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, N. Platte/Lee Bi, NE at 12:00Z on 2022-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
64 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
1347 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:09 PM CDTMesoscale DiscussionSPCDawson, Frontier, Furnas, Gosper, Hitchcock, Red Willow2 hr
Jun 5, 9:06 PM CDTMesoscale DiscussionSPCFranklin, Furnas, Harlan, Webster114 min
Jun 6, 2:55 PM CDTMesoscale DiscussionSPCArthur, Blaine, Box Butte, Brown, Cherry, Custer and 15 more2 hr
Jun 6, 3:25 PM CDTSevere Thunderstorm WatchSPCArthur, Banner, Blaine, Box Butte, Brown, Cherry and 19 more7 hr
Jun 6, 3:46 PM CDTMesoscale DiscussionSPCAdams, Butler, Clay, Fillmore, Gage, Hall and 13 more119 min
Jun 6, 5:22 PM CDTMesoscale DiscussionSPCAdams, Arthur, Banner, Blaine, Box Butte, Brown and 38 more83 min
Jun 6, 5:43 PM CDTSevere Thunderstorm WatchSPCAdams, Buffalo, Clay, Dawson, Franklin, Furnas and 14 more6 hr

Nearby

Mesoscale Discussions in Nebraska, 2022Every mesoscale discussion in 2022

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.