Alert archive / Nebraska / Snow Squall Warnings in 2019

Snow Squall Warning 10, NWS Cheyenne, WY

February 16, 2019Kimball County, Nebraska

NWS Cheyenne, WY issued this snow squall warning at Feb 16, 2019, 4:13 PM MST for Kimball County, Nebraska. It was in force for 32 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
Feb 16, 2019, 4:13 PM MST (23:13 UTC)
Expired
Feb 16, 2019, 4:45 PM MST
In force
32 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 91 km from the middle of the area, began a volume at 23:18 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

Denver, CO (KDEN), launched 12:00Z, 11.2 hours before the alert went out and 153 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, Denver, CO at 12:00Z on 2019-02-16Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2019-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939587897117Sfc1 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
2407 m above ground
0-6 km bulk shear
94 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
179 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 snow squall warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this snow squall warning went out at Feb 16, 4:10 PM MST, 3 minutes earlier.

Area forecast discussion, Feb 16, 4:10 PM MST, 3 minutes before
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Hazardous weather outlook, Feb 16, 3:20 AM MST, 12 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
320 AM MST Sat Feb 16 2019

WYZ112-114-171030-
Sierra Madre Range-Snowy Range-
320 AM MST Sat Feb 16 2019

This hazardous weather outlook is for portions of south central
Wyoming.

.DAY ONE...TODAY AND TONIGHT

Occasional snow showers will continue today, tapering off this
evening. Gusty west winds up to 45 MPH will produce areas of
blowing snow and low visibility. Total snow accumulations of 6 to
9 inches is expected.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

An cold and unsettled pattern will continue through much of next
week with chances for snow showers.

.Spotter information statement...

Spotter activation will not be required. Spotters are encouraged
to report snowfall to the National Weather Service.

WYZ101>111-113-115>119-171030-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
East Laramie County-
320 AM MST Sat Feb 16 2019

This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Occasional snow showers will continue today and tonight. Accumulations
will average less than a half inch. It will be windy with west to
northwest winds gusting 35 to 50 MPH. There will be some blowing snow
at times west of Interstate 25.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

An cold and unsettled pattern will continue through much of next
week with chances for snow showers.

.Spotter information statement...

Spotter activation will not be required.

NEZ002-003-019>021-054-055-095-096-171030-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-
320 AM MST Sat Feb 16 2019

This hazardous weather outlook is for portions of western
Nebraska.

.DAY ONE...TODAY AND TONIGHT

Widely scattered snow showers will develop today and continue
tonight. Accumulations will average less than a half inch. West
to northwest winds will gust between 30 and 40 MPH this afternoon.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

An cold and unsettled pattern will continue through much of next
week with slight chances for snow showers.

.Spotter information statement...

Spotter activation will not be required.

In the hours before

Local storm report, Feb 16, 2:07 PM MST, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
207 PM MST SAT FEB 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0206 PM     SNOW             10 SSW ARLINGTON        41.46N 106.28W
02/16/2019  E4.5 INCH        CARBON             WY   PUBLIC

            SNOTEL REPORT.

&&

ADL
Local storm report, Feb 16, 3:01 PM MST, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
301 PM MST SAT FEB 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0301 PM     SNOW             12 W CENTENNIAL         41.30N 106.34W
02/16/2019  E6.0 INCH        CARBON             WY   MESONET

            SNOTEL SWE 0.4.

&&

ADL
Local storm report, Feb 16, 3:02 PM MST, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
302 PM MST SAT FEB 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     SNOW             7 NW CENTENNIAL         41.37N 106.21W
02/16/2019  E7.5 INCH        ALBANY             WY   MESONET

            SNOTEL SWE 0.5.

&&

ADL

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 11:55 PM MSTSnow Squall WarningCYSCarbon50 min
Feb 16, 3:50 PM MSTSnow Squall WarningCYSKimball25 min

Nearby

Snow Squall Warnings in Nebraska, 2019Every snow squall warning 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.