Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 155, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 28, 2021, 5:46 PM CDT for 5 counties in Nebraska. It was in force for 59 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
- Aug 28, 2021, 5:46 PM CDT (22:46 UTC)
- Expired
- Aug 28, 2021, 6:45 PM CDT
- In force
- 59 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blaine County, NE, Garfield County, NE, Holt County, NE, Loup County, NE, Rock County, NE
The radar
The North Platte radar (KLNX), 114 km from the middle of the area, began a volume at 22:49 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 28, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.8 hours before the alert went out and 159 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
- 269 J/kg
- Mixed-layer CIN
- -487 J/kg
- Mixed-layer LCL
- 2050 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
114
WUUS53 KLBF 282246
SVRLBF
NEC009-071-089-115-149-282345-
/O.NEW.KLBF.SV.W.0155.210828T2246Z-210828T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
546 PM CDT Sat Aug 28 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Southeastern Rock County in north central Nebraska...
Loup County in north central Nebraska...
Northwestern Garfield County in north central Nebraska...
Southern Holt County in north central Nebraska...
Southeastern Blaine County in north central Nebraska...
* Until 645 PM CDT.
* At 546 PM CDT, severe thunderstorms were located along a line
extending from 8 miles west of Amelia to 12 miles south of Rose to
7 miles east of Dunning, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Amelia, Fox Bayou, Almeria Meadow State Wildlife Management Area,
Horseshoe Bend Lake, Hannamon Bayou Campground, Almeria and Carson
Lake.
This includes the following highways...
Highway 183 between mile markers 132 and 148.
Highway 20 between mile markers 312 and 314.
Highway 281 between mile markers 175 and 180.
Highway 2 near mile marker 240.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4244 9848 4206 9905 4177 9960 4179 10014
4199 9968 4237 9909
TIME...MOT...LOC 2246Z 258DEG 14KT 4228 9912 4199 9954 4179 9997
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Sporer1 follow-up statement
959
WWUS53 KLBF 282322
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
622 PM CDT Sat Aug 28 2021
NEC009-071-089-115-149-282345-
/O.CON.KLBF.SV.W.0155.000000T0000Z-210828T2345Z/
Rock NE-Loup NE-Garfield NE-Holt NE-Blaine NE-
622 PM CDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHEASTERN ROCK...LOUP...NORTHWESTERN GARFIELD...SOUTHERN HOLT
AND SOUTHEASTERN BLAINE COUNTIES...
At 621 PM CDT, severe thunderstorms were located along a line
extending from near Amelia to 11 miles northwest of Calamus Reservoir
State Recreation Area to 8 miles south of Brewster, moving east at 15
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Amelia, Fox Bayou, Almeria Meadow State Wildlife Management Area,
Horseshoe Bend Lake, Hannamon Bayou Campground, Almeria and Carson
Lake.
This includes the following highways...
Highway 183 between mile markers 132 and 148.
Highway 20 between mile markers 312 and 314.
Highway 281 between mile markers 175 and 180.
Highway 2 near mile marker 240.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4244 9848 4206 9905 4177 9960 4179 10014
4199 9968 4237 9909
TIME...MOT...LOC 2321Z 258DEG 14KT 4231 9895 4202 9937 4182 9980
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SporerThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 12:56 AM CDT | Special Weather Statement | LBF | Garden | 49 min |
| Aug 28, 1:36 AM CDT | Special Weather Statement | LBF | Garden, Grant | 39 min |
| Aug 28, 2:14 AM CDT | Special Weather Statement | LBF | Garden, Grant | 46 min |
| Aug 28, 2:35 AM CDT | Special Weather Statement | LBF | Cherry | 25 min |
| Aug 28, 2:45 AM CDT | Severe Thunderstorm Warning | LBF | Cherry | 45 min |
| Aug 28, 2:59 AM CDT | Special Weather Statement | LBF | Garden, Grant | 31 min |
| Aug 28, 3:27 AM CDT | Severe Thunderstorm Warning | LBF | Cherry, Keya Paha | 33 min |
| Aug 28, 3:30 AM CDT | Special Weather Statement | LBF | Grant | 60 min |
| Aug 28, 3:32 AM CDT | Special Weather Statement | LBF | Cherry | 58 min |
| Aug 28, 3:58 AM CDT | Special Weather Statement | LBF | Keya Paha | 62 min |
| Aug 28, 4:29 AM CDT | Special Weather Statement | LBF | Hooker | 61 min |
| Aug 28, 4:59 AM CDT | Special Weather Statement | LBF | Cherry | 46 min |
| Aug 28, 7:04 AM CDT | Special Weather Statement | LBF | Cherry | 56 min |
| Aug 28, 8:49 AM CDT | Special Weather Statement | LBF | Grant | 41 min |
| Aug 28, 12:39 PM CDT | Special Weather Statement | LBF | Keya Paha | 36 min |
| Aug 28, 1:24 PM CDT | Special Weather Statement | LBF | Boyd | 51 min |
| Aug 28, 1:53 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt | 37 min |
| Aug 28, 4:17 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 43 min |
| Aug 28, 4:46 PM CDT | Special Weather Statement | LBF | Frontier | 44 min |
| Aug 28, 5:02 PM CDT | Special Weather Statement | LBF | Custer | 43 min |
| Aug 28, 5:12 PM CDT | Special Weather Statement | LBF | Lincoln | 33 min |
| Aug 28, 5:25 PM CDT | Special Weather Statement | LBF | Loup | 50 min |
| Aug 28, 5:29 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 46 min |
| Aug 28, 5:30 PM CDT | Special Weather Statement | LBF | Frontier | 30 min |
| Aug 28, 5:37 PM CDT | Special Weather Statement | LBF | Blaine | 38 min |
| Aug 28, 6:15 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 45 min |
| Aug 28, 6:16 PM CDT | Special Weather Statement | LBF | Logan | 29 min |
| Aug 28, 6:18 PM CDT | Special Weather Statement | LBF | Custer | 42 min |
| Aug 28, 6:21 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Logan | 39 min |
| Aug 28, 6:35 PM CDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Garfield, Holt, Loup, Rock | 40 min |
| Aug 28, 6:42 PM CDT | Special Weather Statement | LBF | Frontier | 33 min |
| Aug 28, 6:57 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Loup | 48 min |
| Aug 28, 6:57 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Logan | 48 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2021Every severe thunderstorm 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.