Alert archive / Nebraska / Wind Advisories in 2019

Wind Advisory 14, NWS Omaha, NE

December 9, 201925 counties in Nebraska

NWS Omaha, NE issued this wind advisory at Dec 9, 2019, 1:30 AM CST for 25 counties in Nebraska. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2019, 1:30 AM CST (07:30 UTC)
Expired
Dec 9, 2019, 10:57 AM CST
In force
9 hr
Issued by
NWS Omaha, NE
All 25 counties

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, Otoe County, NE, Pierce County, NE, Platte 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), 44 km from the middle of the area, began a volume at 07:32 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

Topeka, KS (KTOP), launched 00:00Z, 7.5 hours before the alert went out and 282 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, Topeka, KS at 00:00Z on 2019-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Topeka, KS at 00:00Z on 2019-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
763 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 5:44 AM CSTSpecial Weather StatementOAXCuming, Madison, Platte, Stanton, Thurston, Wayne46 min
Dec 9, 6:19 AM CSTSpecial Weather StatementOAXBurt, Colfax, Cuming, Dodge, Thurston26 min
Dec 9, 6:57 AM CSTSpecial Weather StatementOAXBurt, Cass, Dodge, Douglas, Lancaster, Saline and 4 more63 min
Dec 9, 7:50 AM CSTSpecial Weather StatementOAXCass, Douglas, Johnson, Lancaster, Otoe, Saline and 2 more85 min
Dec 9, 8:43 AM CSTSpecial Weather StatementOAXCass, Johnson, Nemaha, Otoe92 min

Nearby

Wind Advisories in Nebraska, 2019Every wind advisory in 2019

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.