Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 29, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 23, 2021, 10:30 PM CDT for Frontier County, Lincoln County, Nebraska. It was in force for 45 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
- May 23, 2021, 10:30 PM CDT (03:30 UTC)
- Expired
- May 23, 2021, 11:15 PM CDT
- In force
- 45 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Frontier County, NE, Lincoln County, NE
The radar
The North Platte radar (KLNX), 150 km from the middle of the area, began a volume at 03:29 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 |
|---|---|---|---|
| May 23, 8:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.5 hours before the alert went out and 60 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.
479
WUUS53 KLBF 240330
SVRLBF
NEC063-111-240415-
/O.NEW.KLBF.SV.W.0029.210524T0330Z-210524T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1030 PM CDT Sun May 23 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Frontier County in southwestern Nebraska...
Southeastern Lincoln County in southwestern Nebraska...
* Until 1115 PM CDT.
* At 1029 PM CDT, severe thunderstorms were extending from near
Wellfleet to 9 miles southwest of Curtis, moving northeast at 45
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Curtis, Brady, Eustis, Wellfleet, Moorefield, Stockville, Medicine
Creek Reservoir State Recreation Area, Maywood, Quick, Hansen
Memorial Reserve State Wildlife Management Area, Jeffrey Canyon
State Wildlife Management Area, Willow View Campground, Freedom,
Orafino, Bluegill Haven Campground, Vroman, Red Willow Reservoir
State Recreation Area and Dancing Leaf Earth Lodge.
This includes the following highways...
Interstate 80 in Nebraska between mile markers 197 and 207.
Highway 83 between mile markers 27 and 68.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4042 10078 4070 10078 4070 10083 4090 10087
4106 10025 4104 10023 4070 10022 4070 9998
4044 9998 4044 10009 4036 10009 4035 10014
4035 10077
TIME...MOT...LOC 0329Z 234DEG 38KT 4085 10076 4052 10061
HAIL...0.75IN
WIND...60MPH
$$
Snively2 follow-up statements
988
WWUS53 KLBF 240357
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
1057 PM CDT Sun May 23 2021
NEC063-111-240415-
/O.CON.KLBF.SV.W.0029.000000T0000Z-210524T0415Z/
Frontier NE-Lincoln NE-
1057 PM CDT Sun May 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR FRONTIER AND SOUTHEASTERN LINCOLN COUNTIES...
At 1057 PM CDT, severe thunderstorms were located along a line
extending from near Brady to 13 miles southwest of Stockville, moving
east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Curtis, Brady, Eustis, Moorefield, Stockville, Medicine Creek
Reservoir State Recreation Area, Maywood, Quick, Hansen Memorial
Reserve State Wildlife Management Area, Jeffrey Canyon State Wildlife
Management Area, Willow View Campground, Freedom, Orafino, Bluegill
Haven Campground, Vroman, Red Willow Reservoir State Recreation Area
and Dancing Leaf Earth Lodge.
This includes the following highways...
Interstate 80 in Nebraska between mile markers 197 and 207.
Highway 83 between mile markers 27 and 45.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4071 10059 4099 10053 4106 10025 4104 10023
4070 10022 4070 9998 4044 9998 4044 10009
4036 10009 4035 10014 4035 10077
TIME...MOT...LOC 0357Z 256DEG 44KT 4099 10030 4040 10057
HAIL...<.75IN
WIND...60MPH
$$
Snively783
WWUS53 KLBF 240414
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
1114 PM CDT Sun May 23 2021
NEC063-111-240424-
/O.EXP.KLBF.SV.W.0029.000000T0000Z-210524T0415Z/
Frontier NE-Lincoln NE-
1114 PM CDT Sun May 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR FRONTIER AND SOUTHEASTERN
LINCOLN COUNTIES WILL EXPIRE AT 1115 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
central and southwestern Nebraska.
LAT...LON 4071 10059 4099 10053 4106 10025 4104 10023
4070 10022 4070 9998 4044 9998 4044 10009
4036 10009 4035 10014 4035 10077
TIME...MOT...LOC 0414Z 270DEG 38KT 4108 10013 4049 10041
$$
SnivelyThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:00 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Garden, Grant, Keith | 45 min |
| May 23, 7:04 PM CDT | Special Weather Statement | LBF | Sheridan | 41 min |
| May 23, 7:18 PM CDT | Severe Thunderstorm Warning | LBF | Deuel, Keith, Perkins | 42 min |
| May 23, 7:26 PM CDT | Severe Thunderstorm Warning | LBF | Cherry, Grant, Sheridan | 49 min |
| May 23, 7:39 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Cherry, Grant, Hooker, McPherson | 51 min |
| May 23, 7:57 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Keith, Perkins | 63 min |
| May 23, 7:59 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 46 min |
| May 23, 8:24 PM CDT | Special Weather Statement | LBF | Hooker | 51 min |
| May 23, 8:28 PM CDT | Areal Flood Warning | LBF | Keith, Perkins | 3 hr |
| May 23, 8:30 PM CDT | Special Weather Statement | LBF | McPherson | 45 min |
| May 23, 8:47 PM CDT | Special Weather Statement | LBF | Cherry | 43 min |
| May 23, 8:54 PM CDT | Special Weather Statement | LBF | Thomas | 51 min |
| May 23, 8:59 PM CDT | Special Weather Statement | LBF | Perkins | 46 min |
| May 23, 9:11 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 49 min |
| May 23, 9:14 PM CDT | Special Weather Statement | LBF | Logan | 46 min |
| May 23, 9:17 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Hayes, Perkins | 43 min |
| May 23, 9:29 PM CDT | Special Weather Statement | LBF | Blaine, Logan | 46 min |
| May 23, 9:36 PM CDT | Flash Flood Warning | LBF | Keith, Perkins | 3 hr |
| May 23, 9:39 PM CDT | Special Weather Statement | LBF | Lincoln | 51 min |
| May 23, 9:56 PM CDT | Special Weather Statement | LBF | Hayes | 34 min |
| May 23, 10:02 PM CDT | Special Weather Statement | LBF | Brown, Keya Paha, Rock | 43 min |
| May 23, 10:14 PM CDT | Special Weather Statement | LBF | Blaine, Logan, Loup | 46 min |
| May 23, 10:19 PM CDT | Special Weather Statement | LBF | Frontier | 41 min |
| May 23, 10:33 PM CDT | Special Weather Statement | LBF | Lincoln | 42 min |
| May 23, 10:43 PM CDT | Special Weather Statement | LBF | Brown, Keya Paha, Rock | 47 min |
| May 23, 10:50 PM CDT | Special Weather Statement | LBF | Blaine, Loup | 40 min |
| May 23, 11:14 PM CDT | Special Weather Statement | LBF | Custer, Frontier | 46 min |
| May 23, 11:36 PM CDT | Special Weather Statement | LBF | Garfield, Loup | 39 min |
| May 23, 11:59 PM CDT | Special Weather Statement | LBF | Dawson | 31 min |
| May 24, 12:13 AM CDT | Special Weather Statement | LBF | Garfield, Wheeler | 47 min |
| May 24, 6:18 PM CDT | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.