Alert archive / Nebraska / Winter Storm Watches in 2021

Winter Storm Watch 3, NWS North Platte, NE

April 14, 20218 counties in Nebraska

NWS North Platte, NE issued this winter storm watch at Apr 14, 2021, 1:46 PM MDT for 8 counties in Nebraska. It took effect at Apr 15, 2021, 12:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 14, 2021, 1:46 PM MDT (19:46 UTC)
In effect from
Apr 15, 2021, 12:00 PM MDT
Expired
Apr 15, 2021, 2:48 AM MDT
In force
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Keith County, NE, Perkins County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 129 km from the middle of the area, began a volume at 19:49 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.8 hours before the alert went out and 116 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 2021-04-14Temperature 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°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 2021-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
-35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

372 
WWUS43 KLBF 141946
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
246 PM CDT Wed Apr 14 2021

...SIGNIFICANT SNOW ACCUMULATIONS POSSIBLE THURSDAY NIGHT INTO
FRIDAY MORNING...

.A potent upper level trough of low pressure will track across the
southern Rockies onto the southern Plains Thursday into Friday.
Temperatures will be cool enough, Thursday night into Friday
morning for snow to accumulate. By mid morning Friday, snow
accumulations of 3 to 6 inches, with locally higher amounts are
possible in the watch area. 

NEZ004-022-023-035-056>058-069-151000-
/O.NEW.KLBF.WS.A.0003.210415T1800Z-210416T1600Z/
Sheridan-Garden-Grant-Arthur-Deuel-Keith-Perkins-Chase-
Including the cities of Gordon, Rushville, Oshkosh, Lewellen, 
Hyannis, Arthur, Chappell, Big Springs, Ogallala, Paxton, Grant, 
Champion, Enders, Imperial, and Wauneta
146 PM MDT Wed Apr 14 2021

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 6
  inches with locally heavier amounts possible in the eastern
  Nebraska Panhandle and western portions of Keith, Perkins and
  Chase counties.

* WHERE...Portions of panhandle, southwest and west central 
  Nebraska.

* WHEN...From Thursday afternoon through Friday morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning commute Friday morning. The
  wet heavy snow, may impact young livestock and ranching
  operations. 

* ADDITIONAL DETAILS...Snow is expected to develop midday Thursday
  in the eastern Nebraska Panhandle and spread east into the
  afternoon hours Thursday. Temperatures will be warm enough
  Thursday afternoon to limit accumulations. With cooling
  temperatures Thursday evening, snow will begin to accumulate and
  will continue to accumulate through mid morning Friday. As
  temperatures warm late Friday morning, a changeover back to 
  rain and snow or all rain is expected which will once again 
  limit accumulations.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf
1 follow-up statement
729 
WWUS43 KLBF 150848
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
348 AM CDT Thu Apr 15 2021

...SIGNIFICANT SNOW ACCUMULATIONS POSSIBLE TONIGHT INTO TOMORROW 
MORNING...

.A potent storm system will track across the Plains tonight and 
lead to widespread precipitation across western Nebraska. 
Temperatures will be cool enough tonight into tomorrow morning for
snow to accumulate. This snow is expected to accumulate quickly 
overnight and lead to hazardous travel conditions.

NEZ004-022-023-035-056-057-151700-
/O.UPG.KLBF.WS.A.0003.210415T1800Z-210416T1600Z/
/O.NEW.KLBF.WS.W.0005.210415T1800Z-210417T0000Z/
Sheridan-Garden-Grant-Arthur-Deuel-Keith-
Including the cities of Gordon, Rushville, Oshkosh, Lewellen, 
Hyannis, Arthur, Chappell, Big Springs, Ogallala, and Paxton
248 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT
FRIDAY...

* WHAT...Heavy wet snow expected with total accumulations of 5 to
  8 inches.

* WHERE...Portions of the Panhandle, southwest and west central 
  Nebraska.

* WHEN...From noon today to 6 PM MDT Friday.

* IMPACTS...Travel could be very difficult. Hazardous conditions
  are anticipated with quick accumulating snow and reduced
  visibilities. The wet heavy snow may impact young livestock and
  ranching operations.

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.

&&

$$

NEZ058-069-151700-
/O.UPG.KLBF.WS.A.0003.210415T1800Z-210416T1600Z/
/O.NEW.KLBF.WW.Y.0013.210415T1800Z-210417T0000Z/
Perkins-Chase-
Including the cities of Grant, Champion, Enders, Imperial, 
and Wauneta
248 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM MDT
FRIDAY...

* WHAT...Snow expected with total accumulations of 3 to 5 inches.

* WHERE...Perkins and Chase Counties.

* WHEN...From noon today to 6 PM MDT Friday.

* IMPACTS...Plan on slippery road conditions. Hazardous conditions
  are anticipated with quick accumulating snow and reduced
  visibilities. The wet heavy 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.

&&

$$

NEZ024-025-036-037-059-070-094-151700-
/O.NEW.KLBF.WW.Y.0013.210415T1800Z-210417T0000Z/
Hooker-Thomas-McPherson-Logan-Lincoln-Hayes-Western Cherry-
Including the cities of Mullen, Thedford, Halsey, Tryon, 
Ringgold, Stapleton, North Platte, Hayes Center, Cody, Eli, 
Merriman, and Kilgore
348 AM CDT Thu Apr 15 2021 /248 AM MDT Thu Apr 15 2021/

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/
THIS AFTERNOON TO 7 PM CDT /6 PM MDT/ FRIDAY...

* WHAT...Snow expected with total accumulations of 2 to 4 inches.

* WHERE...Portions of north central, southwest and west central 
  Nebraska.

* WHEN...From 1 PM CDT /noon MDT/ this afternoon to 7 PM CDT /6 
  PM MDT/ Friday.

* IMPACTS...Plan on slippery road conditions. Hazardous conditions
  are anticipated with quick accumulating snow and reduced
  visibilities. The wet heavy 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.

&&

$$

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

Brown

Nearby

Winter Storm Watches in Nebraska, 2021Every winter storm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.