Alert archive / Nebraska / High Wind Watches in 2020

High Wind Watch 2, NWS Omaha, NE

June 8, 202028 counties in Nebraska; 5 counties in Iowa

NWS Omaha, NE issued this high wind watch at Jun 8, 2020, 3:37 PM CDT for 28 counties in Nebraska; 5 counties in Iowa. It took effect at Jun 9, 2020, 4:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Jun 8, 2020, 3:37 PM CDT (20:37 UTC)
In effect from: Jun 9, 2020, 4:00 PM CDT
Expired: Jun 9, 2020, 3:22 AM CDT
In force
Issued by: NWS Omaha, NE

All 33 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Pottawattamie County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 23 km from the middle of the area, began a volume at 20:35 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

Omaha, NE (KOAX), launched 12:00Z, 8.6 hours before the alert went out and 22 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: 202 J/kg
Mixed-layer CIN: -451 J/kg
Mixed-layer LCL: 1393 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 177 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 high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Omaha, NE wrote its last area forecast discussion before this high wind watch went out at Jun 8, 12:49 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, Jun 8, 12:49 PM CDT, 2 hours 48 minutes before

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Hazardous weather outlook, Jun 8, 12:01 PM CDT, 3 hours 36 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 3:31 PM CDT	Flash Flood Watch	OAX	Cass, Douglas, Gage, Jefferson, Johnson, Lancaster and 8 more	36 hr

Nearby

High Wind Watches in Nebraska, 2020 High Wind Watches in Iowa, 2020 Every high wind watch in 2020

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.