Alert archive / Nebraska / Snow Squall Warnings in 2021
Snow Squall Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this snow squall warning at Dec 15, 2021, 3:17 PM CST for 4 counties in Nebraska. It was in force for 43 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, 3:17 PM CST (21:17 UTC)
- Expired
- Dec 15, 2021, 4:00 PM CST
- In force
- 43 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
Counties Blaine County, NE, Custer County, NE, Logan County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 31 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 76 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.
151 WWUS53 KLBF 152117 SQWLBF BULLETIN - IMMEDIATE BROADCAST REQUESTED Snow Squall Warning National Weather Service North Platte NE 317 PM CST Wed Dec 15 2021 NEC009-041-113-171-152200- /O.NEW.KLBF.SQ.W.0002.211215T2117Z-211215T2200Z/ Logan NE-Custer NE-Blaine NE-Thomas NE- 317 PM CST Wed Dec 15 2021 The National Weather Service in North Platte has issued a * Snow Squall Warning for... Eastern Logan County in west central Nebraska... Northwestern Custer County in central Nebraska... Southwestern Blaine County in north central Nebraska... Southeastern Thomas County in north central Nebraska... * Until 400 PM CST. * At 316 PM CST, a dangerous snow squall was located along a line extending from near Halsey to 16 miles south of Thedford, moving southeast at 15 mph. HAZARD...Extremely poor visibility in heavy snow. SOURCE...Radar and webcams. IMPACT...Dangerous life-threatening travel. * This includes the following highways... Highway 2 between mile markers 220 and 242. Highway 83 between mile markers 116 and 137. Locations impacted include... Dunning, Halsey, Gandy, Highway 83 crossing The Dismal River, Shanklin Bluff, Tarboz Lake and Brown Lake. 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 4183 10001 4145 10044 4173 10067 4202 10032 TIME...MOT...LOC 2116Z 314DEG 13KT 4198 10029 4174 10056 $$ JWS
1 follow-up statement
071
WWUS53 KLBF 152137
SQWLBF
Snow Squall Warning
National Weather Service North Platte NE
337 PM CST Wed Dec 15 2021
NEC009-041-113-171-152200-
/O.CON.KLBF.SQ.W.0002.000000T0000Z-211215T2200Z/
Logan NE-Custer NE-Blaine NE-Thomas NE-
337 PM CST Wed Dec 15 2021
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR
EASTERN LOGAN...NORTHWESTERN CUSTER...SOUTHWESTERN BLAINE AND
SOUTHEASTERN THOMAS COUNTIES...
At 336 PM CST, a dangerous snow squall was located along a line
extending from near Halsey to 14 miles north of Stapleton, moving
southeast at 15 mph.
HAZARD...Extremely poor visibility heavy snow and blowing snow. Wind
gusts greater than 50 mph.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
Highway 2 between mile markers 220 and 242.
Highway 83 between mile markers 116 and 137.
Locations impacted include...
Dunning, Halsey, Gandy, Highway 83 crossing The Dismal River,
Shanklin Bluff, Tarboz Lake and Brown Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4183 10001 4145 10044 4173 10067 4202 10032
TIME...MOT...LOC 2136Z 314DEG 13KT 4193 10023 4169 10050
$$
JWSThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Dec 15, 4:05 PM CST | Snow Squall Warning | LBF | Brown, Cherry | 40 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.