Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 113, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 9, 2021, 6:45 PM CDT for Custer County, Loup 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
- Aug 9, 2021, 6:45 PM CDT (23:45 UTC)
- Expired
- Aug 9, 2021, 7:30 PM CDT
- In force
- 45 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Custer County, NE, Loup County, NE
The radar
The North Platte radar (KLNX), 92 km from the middle of the area, began a volume at 23:44 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 12:00Z, 11.8 hours before the alert went out and 100 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
- 28 J/kg
- Mixed-layer CIN
- -619 J/kg
- Mixed-layer LCL
- 2573 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
202
WUUS53 KLBF 092345
SVRLBF
NEC041-115-100030-
/O.NEW.KLBF.SV.W.0113.210809T2345Z-210810T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
645 PM CDT Mon Aug 9 2021
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Southwestern Loup County in north central Nebraska...
Northeastern Custer County in central Nebraska...
* Until 730 PM CDT.
* At 645 PM CDT, a severe thunderstorm was located near Victoria
Springs State Recreation Area, or 11 miles north of Broken Bow,
moving northeast at 10 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...
Sargent, Lillian, Round Valley, Walworth, Divide Hill, Gates and
Big Oak Canyon.
This includes Highway 183 between mile markers 110 and 120.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4148 9965 4156 9980 4185 9958 4162 9922
TIME...MOT...LOC 2345Z 219DEG 10KT 4158 9968
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CDC2 follow-up statements
883 WWUS53 KLBF 100004 SVSLBF Severe Weather Statement National Weather Service North Platte NE 704 PM CDT Mon Aug 9 2021 NEC041-115-100030- /O.CON.KLBF.SV.W.0113.000000T0000Z-210810T0030Z/ Loup NE-Custer NE- 704 PM CDT Mon Aug 9 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHWESTERN LOUP AND NORTHEASTERN CUSTER COUNTIES... At 704 PM CDT, a severe thunderstorm was located near Victoria Springs State Recreation Area, or 14 miles north of Broken Bow, moving northeast at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Sargent, Lillian, Round Valley, Walworth, Divide Hill, Gates and Big Oak Canyon. This includes Highway 183 between mile markers 110 and 120. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4151 9957 4162 9976 4185 9958 4162 9922 TIME...MOT...LOC 0004Z 219DEG 10KT 4162 9964 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CDC
451
WWUS53 KLBF 100027
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
727 PM CDT Mon Aug 9 2021
NEC041-115-100036-
/O.EXP.KLBF.SV.W.0113.000000T0000Z-210810T0030Z/
Loup NE-Custer NE-
727 PM CDT Mon Aug 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LOUP AND
NORTHEASTERN CUSTER COUNTIES WILL EXPIRE AT 730 PM CDT...
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.
LAT...LON 4151 9957 4162 9976 4185 9958 4162 9922
TIME...MOT...LOC 0026Z 219DEG 10KT 4167 9959
$$
CDCThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:09 PM CDT | Special Weather Statement | LBF | Frontier | 36 min |
| Aug 9, 5:45 PM CDT | Special Weather Statement | LBF | Lincoln | 45 min |
| Aug 9, 6:08 PM CDT | Special Weather Statement | LBF | Hayes | 52 min |
| Aug 9, 6:28 PM CDT | Special Weather Statement | LBF | Custer | 47 min |
| Aug 9, 6:55 PM CDT | Special Weather Statement | LBF | Hayes | 50 min |
| Aug 9, 6:59 PM CDT | Special Weather Statement | LBF | Custer | 46 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.