Alert archive / Nebraska / Winter Storm Warnings in 2021

Winter Storm Warning 6, NWS North Platte, NE

April 19, 2021Brown County, Cherry County, Nebraska

NWS North Platte, NE issued this winter storm warning at Apr 19, 2021, 6:26 AM CDT for Brown County, Cherry County, Nebraska. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 19, 2021, 6:26 AM CDT (11:26 UTC)
Expired
Apr 19, 2021, 12:44 PM CDT
In force
6 hr
Issued by
NWS North Platte, NE

Counties Brown County, NE, Cherry County, NE

The radar

The North Platte radar (KLNX), 59 km from the middle of the area, began a volume at 11:28 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.

What was reported inside it

TimeReportWhereRemark
Apr 19, 6:45 AM CDTHEAVY SNOW 71 S Valentine, NESNOWFALL OVER PAST 6 HOURS. STILL SNOWING AT TIME OF OBSERVATION.
Apr 19, 8:40 AM CDTSNOW 511 Wsw Crookston, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 11.4 hours before the alert went out and 151 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 00:00Z on 2021-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2021-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
2907 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

797 
WWUS43 KLBF 191126
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
626 AM CDT Mon Apr 19 2021

NEZ005-008-191930-
/O.UPG.KLBF.WW.Y.0014.000000T0000Z-210420T0000Z/
/O.NEW.KLBF.WS.W.0006.210419T1126Z-210419T1800Z/
Eastern Cherry-Brown-
Including the cities of Valentine and Ainsworth
626 AM CDT Mon Apr 19 2021 /526 AM MDT Mon Apr 19 2021/

...WINTER STORM WARNING IN EFFECT UNTIL 1 PM CDT /NOON MDT/ THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of one to two inches
  possible. Total snow accumulations of 4 to 8 inches.

* WHERE...Eastern Cherry and Brown Counties.

* WHEN...Until 1 PM CDT /noon MDT/ this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Call Nebraska 511 for the latest road information.

&&

$$

NEZ004-006-094-191930-
/O.CON.KLBF.WW.Y.0014.000000T0000Z-210420T0000Z/
Sheridan-Keya Paha-Western Cherry-
Including the cities of Gordon, Rushville, Springview, Cody, Eli,
Merriman, and Kilgore
626 AM CDT Mon Apr 19 2021 /526 AM MDT Mon Apr 19 2021/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING...

* WHAT...Snow. Additional snow accumulations of one to two 
  inches.

* WHERE...Western Cherry, Keya Paha and Sheridan Counties.

* WHEN...Until 7 PM CDT /6 PM MDT/ this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Call Nebraska 511 for the latest road information.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf
1 follow-up statement
502 
WWUS43 KLBF 191744
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
1244 PM CDT Mon Apr 19 2021


NEZ005-008-191845-
/O.CAN.KLBF.WS.W.0006.000000T0000Z-210419T1800Z/
Eastern Cherry-Brown-
Including the cities of Valentine and Ainsworth
1244 PM CDT Mon Apr 19 2021 /1144 AM MDT Mon Apr 19 2021/

...WINTER STORM WARNING IS CANCELLED...

The heavy snow band has exited the area allowing the Winter Storm
Warning to end. However, scattered snow showers will continue to 
affect north central Nebraska through the afternoon. Any
additional accumulation will be limited to under one inch. 

$$

NEZ006-094-191845-
/O.CAN.KLBF.WW.Y.0014.000000T0000Z-210420T0000Z/
Keya Paha-Western Cherry-
Including the cities of Springview, Cody, Eli, Merriman, 
and Kilgore
1244 PM CDT Mon Apr 19 2021 /1144 AM MDT Mon Apr 19 2021/

...WINTER WEATHER ADVISORY IS CANCELLED...

The heavy snow band has exited the area allowing the Winter
Weather Advisory to end. However, scattered snow showers will 
continue to affect north central Nebraska through the afternoon. 
Any additional accumulation will be limited to under one inch.

$$

NEZ058-069>071-200000-
/O.EXB.KLBF.WW.Y.0014.210419T2100Z-210420T1200Z/
Perkins-Chase-Hayes-Frontier-
Including the cities of Grant, Champion, Enders, Imperial, 
Wauneta, Hayes Center, Curtis, Eustis, and Maywood
1244 PM CDT Mon Apr 19 2021 /1144 AM MDT Mon Apr 19 2021/

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM CDT /3 PM MDT/
THIS AFTERNOON TO 7 AM CDT /6 AM MDT/ TUESDAY...

* WHAT...Snow expected with total accumulations of 2 to 4 inches.
  Locally higher amounts are possible.

* WHERE...Perkins, Chase, Hayes and Frontier Counties.

* WHEN...From 4 PM CDT /3 PM MDT/ this afternoon to 7 AM CDT /6 
  AM MDT/ Tuesday.

* IMPACTS...Plan on slippery road conditions and rapid reductions
  in visibility. The snow may impact young livestock and
  ranching operations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Call Nebraska 511 for the latest road information.

&&

$$

NEZ004-200000-
/O.CON.KLBF.WW.Y.0014.000000T0000Z-210420T0000Z/
Sheridan-
Including the cities of Gordon and Rushville
1144 AM MDT Mon Apr 19 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow with additional accumulations of up to one inch.

* WHERE...Sheridan County.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Plan on slippery road conditions and reduced
  visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Call Nebraska 511 for the latest road information.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf

Nearby

Winter Storm Warnings in Nebraska, 2021Every winter storm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.