Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 105, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 30, 2021, 7:49 PM MDT for Garden County, Nebraska. It was in force for 26 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
- Jul 30, 2021, 7:49 PM MDT (01:49 UTC)
- Expired
- Jul 30, 2021, 8:15 PM MDT
- In force
- 26 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
County Garden County, NE
The radar
The North Platte radar (KLNX), 164 km from the middle of the area, began a volume at 01:51 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 00:00Z, 1.8 hours before the alert went out and 177 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
- 2904 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1646 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 17.8
The text
As transmitted.
397
WUUS53 KLBF 310149
SVRLBF
NEC069-310215-
/O.NEW.KLBF.SV.W.0105.210731T0149Z-210731T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
749 PM MDT Fri Jul 30 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Northwestern Garden County in the Panhandle of Nebraska...
* Until 815 PM MDT.
* At 749 PM MDT, a severe thunderstorm was located 8 miles southwest
of Crescent Lake National Wildlife Refuge, or 21 miles northwest of
Oshkosh, moving northeast at 15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Crescent Lake National Wildlife Refuge, Richardson Lake, Mumper and
Tralnor Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. 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.
&&
LAT...LON 4193 10257 4181 10225 4157 10248 4163 10264
4174 10264 4175 10266
TIME...MOT...LOC 0149Z 207DEG 14KT 4168 10255
HAIL...1.50IN
WIND...60MPH
$$
NMJ2 follow-up statements
269
WWUS53 KLBF 310201
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
801 PM MDT Fri Jul 30 2021
NEC069-310215-
/O.CON.KLBF.SV.W.0105.000000T0000Z-210731T0215Z/
Garden NE-
801 PM MDT Fri Jul 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR NORTHWESTERN GARDEN COUNTY...
At 801 PM MDT, a severe thunderstorm was located near Crescent Lake
National Wildlife Refuge, or 24 miles northwest of Oshkosh, moving
north at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Crescent Lake National Wildlife Refuge, Richardson Lake, Mumper and
Tralnor Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4193 10257 4181 10225 4157 10248 4163 10264
4174 10264 4175 10266
TIME...MOT...LOC 0201Z 196DEG 16KT 4173 10254
HAIL...1.00IN
WIND...60MPH
$$
NMJ860
WWUS53 KLBF 310211
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
811 PM MDT Fri Jul 30 2021
NEC069-310221-
/O.EXP.KLBF.SV.W.0105.000000T0000Z-210731T0215Z/
Garden NE-
811 PM MDT Fri Jul 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GARDEN COUNTY
WILL EXPIRE AT 815 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
LAT...LON 4193 10257 4181 10225 4157 10248 4163 10264
4174 10264 4175 10266
TIME...MOT...LOC 0211Z 207DEG 14KT 4176 10252
$$
NMJThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 6:01 PM MDT | Special Weather Statement | LBF | Blaine | 29 min |
| Jul 30, 6:10 PM MDT | Special Weather Statement | LBF | Garden | 35 min |
| Jul 30, 6:11 PM MDT | Special Weather Statement | LBF | Thomas | 34 min |
| Jul 30, 6:35 PM MDT | Special Weather Statement | LBF | Keya Paha | 40 min |
| Jul 30, 6:44 PM MDT | Special Weather Statement | LBF | Garden | 46 min |
| Jul 30, 6:55 PM MDT | Special Weather Statement | LBF | Keya Paha | 35 min |
| Jul 30, 6:57 PM MDT | Special Weather Statement | LBF | Logan | 33 min |
| Jul 30, 7:26 PM MDT | Special Weather Statement | LBF | Keya Paha | 34 min |
| Jul 30, 7:27 PM MDT | Special Weather Statement | LBF | Garden | 33 min |
| Jul 30, 7:40 PM MDT | Special Weather Statement | LBF | Garden | 20 min |
| Jul 30, 7:59 PM MDT | Special Weather Statement | LBF | Brown, Holt, Rock | 46 min |
| Jul 30, 8:11 PM MDT | Special Weather Statement | LBF | Garden | 49 min |
| Jul 30, 8:40 PM MDT | Special Weather Statement | LBF | Brown, Rock | 50 min |
| Jul 30, 9:20 PM MDT | Special Weather Statement | LBF | Garfield | 40 min |
| Jul 30, 9:23 PM MDT | Special Weather Statement | LBF | Brown | 52 min |
| Jul 30, 9:54 PM MDT | Special Weather Statement | LBF | Garfield, Wheeler | 66 min |
| Jul 30, 10:05 PM MDT | Special Weather Statement | LBF | Blaine | 40 min |
| Jul 30, 10:47 PM MDT | Special Weather Statement | LBF | Garfield, Loup | 43 min |
| Jul 30, 11:27 PM MDT | Special Weather Statement | LBF | Hooker, Thomas | 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.