Alert archive / Nebraska / Snow Squall Warnings in 2021
Snow Squall Warning 5, NWS North Platte, NE
NWS North Platte, NE issued this snow squall warning at Dec 15, 2021, 4:05 PM CST for Brown County, Cherry County, Nebraska. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 15, 2021, 4:05 PM CST (22:05 UTC)
- Expired
- Dec 15, 2021, 4:45 PM CST
- In force
- 40 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
Counties Brown County, NE, Cherry County, NE
The radar
The North Platte radar (KLNX), 62 km from the middle of the area, began a volume at 22:07 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, 10.1 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2654 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
169
WWUS53 KLBF 152205
SQWLBF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service North Platte NE
405 PM CST Wed Dec 15 2021
NEC017-031-152245-
/O.NEW.KLBF.SQ.W.0005.211215T2205Z-211215T2245Z/
Cherry NE-Brown NE-
405 PM CST Wed Dec 15 2021
The National Weather Service in North Platte has issued a
* Snow Squall Warning for...
Eastern Cherry County in north central Nebraska...
Southwestern Brown County in north central Nebraska...
* Until 445 PM CST/345 PM MST/.
* At 404 PM CST/304 PM MST/, dangerous snow squalls were located
along a line extending from near Valentine to 9 miles south of
Nenzel, moving southeast at 35 mph.
HAZARD...Extremely poor visibility in heavy snow and blowing snow.
Wind gusts greater than 50 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
*
This includes the following highways...
Highway 20 between mile markers 155 and 230.
Highway 97 between mile markers 81 and 141.
Highway 83 between mile markers 164 and 221.
Highway 12 between mile markers 1 and 17.
Locations impacted include...
Valentine, Cody, Kilgore, Nenzel, Brownlee, Merritt Reservoir,
Valentine National Wildlife Refuge, Crookston, Wood Lake, Willow Lake
State Wildlife Management Area, Marsh Flat, Anderson Bridge State
Wildlife Management Area, Smith Falls State Park, Highway 97 crossing
the Niobrara River, Highway 97 crossing the North Loup River, Steer
Creek Campground, Moon Lake, Sparks, Long Lake State Wildlife
Management Area and Highway 83 crossing the North Loup River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4221 9993 4216 10101 4298 10135 4299 10028
TIME...MOT...LOC 2204Z 333DEG 39KT 4292 10049 4279 10112
$$
JWSThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 3:17 PM CST | Snow Squall Warning | LBF | Blaine, Custer, Logan, Thomas | 43 min |
| Dec 15, 3:46 PM CST | Snow Squall Warning | LBF | Brown, Cherry | 29 min |
| Dec 15, 3:53 PM CST | Snow Squall Warning | LBF | Blaine, Cherry, Custer, Hooker, Logan, McPherson and 1 more | 37 min |
Nearby
Snow Squall Warnings in Nebraska, 2021Every snow squall 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.