Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 64, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 19, 2021, 2:04 PM MDT for Banner County, Morrill County, Scotts Bluff County, Nebraska. It was in force for 41 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
- Jun 19, 2021, 2:04 PM MDT (20:04 UTC)
- Expired
- Jun 19, 2021, 2:45 PM MDT
- In force
- 41 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Banner County, NE, Morrill County, NE, Scotts Bluff County, NE
The radar
The Cheyenne radar (KCYS), 116 km from the middle of the area, began a volume at 20:07 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 |
|---|---|---|---|
| Jun 19, 1:44 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.1 hours before the alert went out and 182 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
- 2627 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
083
WUUS55 KCYS 192004
SVRCYS
NEC007-123-157-192045-
/O.NEW.KCYS.SV.W.0064.210619T2004Z-210619T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
204 PM MDT Sat Jun 19 2021
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Southeastern Scotts Bluff County in the Panhandle of Nebraska...
Southwestern Morrill County in the Panhandle of Nebraska...
Eastern Banner County in the Panhandle of Nebraska...
* Until 245 PM MDT.
* At 203 PM MDT, severe thunderstorms were located along a line
extending from 7 miles west of Chimney Rock State Park to 6 miles
east of Harrisburg to 13 miles east of Albin, moving east at 25
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...
Bridgeport, Northport, Chimney Rock State Park, Bridgeport State
Recreation Area, Redington, South Bayard Junction and Harrisburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4143 10331 4143 10337 4140 10338 4139 10343
4140 10392 4144 10391 4155 10369 4173 10363
4175 10301
TIME...MOT...LOC 2003Z 272DEG 22KT 4167 10349 4154 10362 4143 10385
HAIL...1.00IN
WIND...60MPH
$$
Brothers1 follow-up statement
969
WWUS55 KCYS 192020
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
220 PM MDT Sat Jun 19 2021
NEC007-123-157-192045-
/O.CON.KCYS.SV.W.0064.000000T0000Z-210619T2045Z/
Scotts Bluff NE-Morrill NE-Banner NE-
220 PM MDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT
FOR SOUTHEASTERN SCOTTS BLUFF...SOUTHWESTERN MORRILL AND EASTERN
BANNER COUNTIES...
At 219 PM MDT, severe thunderstorms were located along a line
extending from near Chimney Rock State Park to 11 miles west of
Redington to 8 miles south of Harrisburg, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Bridgeport, Bridgeport State Recreation Area, Northport, Redington,
Chimney Rock State Park and South Bayard Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4143 10331 4143 10337 4140 10338 4139 10343
4140 10376 4145 10375 4156 10357 4173 10352
4175 10301
TIME...MOT...LOC 2019Z 272DEG 22KT 4167 10337 4154 10350 4143 10373
HAIL...1.00IN
WIND...60MPH
$$
BrothersThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:13 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 47 min |
| Jun 19, 1:41 PM MDT | Special Weather Statement | CYS | Banner | 49 min |
| Jun 19, 2:23 PM MDT | Special Weather Statement | CYS | Kimball | 52 min |
| Jun 19, 2:38 PM MDT | Special Weather Statement | CYS | Box Butte | 52 min |
| Jun 19, 2:42 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Cheyenne, Kimball, Morrill | 36 min |
| Jun 19, 2:46 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Morrill | 17 min |
| Jun 19, 2:53 PM MDT | Special Weather Statement | CYS | Morrill | 37 min |
| Jun 19, 3:20 PM MDT | Special Weather Statement | CYS | Cheyenne | 55 min |
| Jun 19, 3:31 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 59 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.