Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 99, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 16, 2021, 7:13 PM MDT for Sheridan County, Nebraska. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 16, 2021, 7:13 PM MDT (01:13 UTC)
- Expired
- Jul 16, 2021, 7:45 PM MDT
- In force
- 32 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 70.0 mph
County Sheridan County, NE
The radar
The Rapid City radar (KUDX), 145 km from the middle of the area, began a volume at 01:13 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 16, 7:55 PM MDT | TSTM WND GST 60 | Hay Springs, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 16, 3:55 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 1.2 hours before the alert went out and 139 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
- 3551 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
988
WUUS53 KLBF 170113
SVRLBF
NEC161-170145-
/O.NEW.KLBF.SV.W.0099.210717T0113Z-210717T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
713 PM MDT Fri Jul 16 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Northwestern Sheridan County in the Panhandle of Nebraska...
* Until 745 PM MDT.
* At 713 PM MDT, a severe thunderstorm was located 7 miles east of
Chadron, moving southeast at 20 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Hay Springs, Intersection of Beaver Creek Road and White Clay Creek
Road, Intersection of Highway 87 and Antelope Road, Walgren Lake
State Recreation Area and Metcalf State Wildlife Management Area.
This includes Highway 20 between mile markers 74 and 84.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows!
&&
LAT...LON 4300 10265 4263 10257 4256 10277 4278 10277
4279 10279 4300 10279
TIME...MOT...LOC 0113Z 331DEG 19KT 4284 10285
HAIL...2.00IN
WIND...70MPH
$$
CDC1 follow-up statement
550
WWUS53 KLBF 170130
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
730 PM MDT Fri Jul 16 2021
NEC161-170145-
/O.CON.KLBF.SV.W.0099.000000T0000Z-210717T0145Z/
Sheridan NE-
730 PM MDT Fri Jul 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR NORTHWESTERN SHERIDAN COUNTY...
At 730 PM MDT, a severe thunderstorm was located 10 miles southwest
of White Clay, or 12 miles north of Hay Springs, moving southeast at
20 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Hay Springs, Intersection of Beaver Creek Road and White Clay Creek
Road, Intersection of Highway 87 and Antelope Road, Walgren Lake
State Recreation Area and Metcalf State Wildlife Management Area.
This includes Highway 20 between mile markers 74 and 84.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.
&&
LAT...LON 4300 10265 4263 10257 4256 10277 4278 10277
4279 10279 4290 10279
TIME...MOT...LOC 0130Z 305DEG 18KT 4286 10268
HAIL...2.00IN
WIND...70MPH
$$
CDCThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 6:46 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Sheridan | 59 min |
| Jul 16, 7:42 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Sheridan | 63 min |
| Jul 16, 8:29 PM MDT | Special Weather Statement | LBF | Cherry | 46 min |
| Jul 16, 8:44 PM MDT | Special Weather Statement | LBF | Sheridan | 31 min |
| Jul 16, 9:13 PM MDT | Special Weather Statement | LBF | Cherry | 62 min |
| Jul 16, 9:15 PM MDT | Special Weather Statement | LBF | Arthur, Grant, Hooker | 60 min |
| Jul 16, 9:42 PM MDT | Special Weather Statement | LBF | Sheridan | 33 min |
| Jul 16, 10:11 PM MDT | Special Weather Statement | LBF | Blaine, Brown, Logan, Thomas | 64 min |
| Jul 16, 10:14 PM MDT | Special Weather Statement | LBF | Arthur, Keith, McPherson | 61 min |
| Jul 16, 10:15 PM MDT | Special Weather Statement | LBF | Sheridan | 60 min |
| Jul 16, 10:26 PM MDT | Special Weather Statement | LBF | Grant | 49 min |
| Jul 16, 11:10 PM MDT | Special Weather Statement | LBF | Arthur | 65 min |
| Jul 16, 11:12 PM MDT | Special Weather Statement | LBF | Blaine | 63 min |
| Jul 16, 11:31 PM MDT | Special Weather Statement | LBF | Lincoln | 44 min |
| Jul 17, 12:07 AM MDT | Special Weather Statement | LBF | Custer, Loup | 38 min |
| Jul 17, 12:12 AM MDT | Special Weather Statement | LBF | Lincoln | 63 min |
| Jul 17, 12:15 AM MDT | Special Weather Statement | LBF | Arthur | 45 min |
| Jul 17, 1:11 AM MDT | Special Weather Statement | LBF | Frontier | 64 min |
| Jul 17, 1:13 AM MDT | Special Weather Statement | LBF | Garfield, Wheeler | 62 min |
| Jul 17, 1:55 AM MDT | Areal Flood Advisory | LBF | Frontier | 58 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.