Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 21, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 23, 2021, 6:00 PM MDT for 4 counties in Nebraska. It was in force for 45 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
- May 23, 2021, 6:00 PM MDT (00:00 UTC)
- Expired
- May 23, 2021, 6:45 PM MDT
- In force
- 45 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Arthur County, NE, Garden County, NE, Grant County, NE, Keith County, NE
The radar
The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 00:05 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 |
|---|---|---|---|
| May 23, 6:43 PM MDT | TSTM WND GST 60 | 5 Nw Arthur, 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 |
|---|---|---|---|
| May 23, 12:06 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.0 hours before the alert went out and 124 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
- 930 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 7.0
The text
As transmitted.
742
WUUS53 KLBF 240000
SVRLBF
NEC005-069-075-101-240045-
/O.NEW.KLBF.SV.W.0021.210524T0000Z-210524T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
600 PM MDT Sun May 23 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Western Arthur County in west central Nebraska...
Western Grant County in west central Nebraska...
Northwestern Keith County in southwestern Nebraska...
Southeastern Garden County in the Panhandle of Nebraska...
* Until 645 PM MDT.
* At 559 PM MDT, severe thunderstorms were located along a line
extending from 17 miles east of Crescent Lake National Wildlife
Refuge to 9 miles southwest of Lewellen, moving northeast at 50
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...
Arthur, Lewellen, Hyannis, Ruthon, Haythorn Lake, Clear Creek
State Wildlife Management Area, Otter Creek Campground, Ash Hollow
State Historical Park, and Bluewater Battlefield State Historical
Park.
This includes the following highways...
Highway 2 between mile markers 144 and 148.
Highway 61 between mile markers 117 and 124, and between mile
markers 126 and 162.
Highway 92 between mile markers 115 and 128.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A Tornado Watch remains in effect until 800 PM MDT for the Panhandle
of, southwestern and west central Nebraska.
LAT...LON 4205 10175 4182 10159 4129 10180 4129 10227
4174 10210
TIME...MOT...LOC 2359Z 226DEG 45KT 4175 10208 4124 10229
HAIL...1.00IN
WIND...60MPH
$$
Jacobs1 follow-up statement
202
WWUS53 KLBF 240028
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
628 PM MDT Sun May 23 2021
NEC005-069-075-101-240045-
/O.CON.KLBF.SV.W.0021.000000T0000Z-210524T0045Z/
Arthur NE-Grant NE-Keith NE-Garden NE-
628 PM MDT Sun May 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR WESTERN ARTHUR...WESTERN GRANT...NORTHWESTERN KEITH AND
SOUTHEASTERN GARDEN COUNTIES...
At 627 PM MDT, severe thunderstorms were located along a line
extending from near Hyannis to 8 miles west of Lemoyne, moving
northeast at 40 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Arthur, Lewellen, Clear Creek State Wildlife Management Area, Sand
Puddin Lake, Otter Creek Campground, Ash Hollow State Historical
Park, and Spring Valley Lake.
This includes the following highways...
Highway 2 between mile markers 144 and 148.
Highway 61 between mile markers 117 and 124, and between mile
markers 126 and 162.
Highway 92 between mile markers 115 and 128.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4205 10175 4182 10159 4129 10180 4130 10216
4175 10207
TIME...MOT...LOC 0027Z 236DEG 36KT 4195 10180 4132 10196
HAIL...1.25IN
WIND...60MPH
$$
JacobsThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 6:04 PM MDT | Special Weather Statement | LBF | Sheridan | 41 min |
| May 23, 6:18 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Keith, Perkins | 42 min |
| May 23, 6:26 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Grant, Sheridan | 49 min |
| May 23, 6:39 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Cherry, Grant, Hooker, McPherson | 51 min |
| May 23, 6:57 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Keith, Perkins | 63 min |
| May 23, 6:59 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 46 min |
| May 23, 7:24 PM MDT | Special Weather Statement | LBF | Hooker | 51 min |
| May 23, 7:28 PM MDT | Areal Flood Warning | LBF | Keith, Perkins | 3 hr |
| May 23, 7:30 PM MDT | Special Weather Statement | LBF | McPherson | 45 min |
| May 23, 7:47 PM MDT | Special Weather Statement | LBF | Cherry | 43 min |
| May 23, 7:54 PM MDT | Special Weather Statement | LBF | Thomas | 51 min |
| May 23, 7:59 PM MDT | Special Weather Statement | LBF | Perkins | 46 min |
| May 23, 8:11 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 49 min |
| May 23, 8:14 PM MDT | Special Weather Statement | LBF | Logan | 46 min |
| May 23, 8:17 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Hayes, Perkins | 43 min |
| May 23, 8:29 PM MDT | Special Weather Statement | LBF | Blaine, Logan | 46 min |
| May 23, 8:36 PM MDT | Flash Flood Warning | LBF | Keith, Perkins | 3 hr |
| May 23, 8:39 PM MDT | Special Weather Statement | LBF | Lincoln | 51 min |
| May 23, 8:56 PM MDT | Special Weather Statement | LBF | Hayes | 34 min |
| May 23, 9:02 PM MDT | Special Weather Statement | LBF | Brown, Keya Paha, Rock | 43 min |
| May 23, 9:14 PM MDT | Special Weather Statement | LBF | Blaine, Logan, Loup | 46 min |
| May 23, 9:19 PM MDT | Special Weather Statement | LBF | Frontier | 41 min |
| May 23, 9:30 PM MDT | Severe Thunderstorm Warning | LBF | Frontier, Lincoln | 45 min |
| May 23, 9:33 PM MDT | Special Weather Statement | LBF | Lincoln | 42 min |
| May 23, 9:43 PM MDT | Special Weather Statement | LBF | Brown, Keya Paha, Rock | 47 min |
| May 23, 9:50 PM MDT | Special Weather Statement | LBF | Blaine, Loup | 40 min |
| May 23, 10:14 PM MDT | Special Weather Statement | LBF | Custer, Frontier | 46 min |
| May 23, 10:36 PM MDT | Special Weather Statement | LBF | Garfield, Loup | 39 min |
| May 23, 10:59 PM MDT | Special Weather Statement | LBF | Dawson | 31 min |
| May 23, 11:13 PM MDT | Special Weather Statement | LBF | Garfield, Wheeler | 47 min |
| May 24, 5:18 PM MDT | Special Weather Statement | LBF | Frontier | 42 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.