Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Apr 19, 2017, 1:11 AM MDT for Dawes County, Nebraska. It was in force for 49 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
- Apr 19, 2017, 1:11 AM MDT (07:11 UTC)
- Expired
- Apr 19, 2017, 2:00 AM MDT
- In force
- 49 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Dawes County, NE
The radar
The Rapid City radar (KUDX), 149 km from the middle of the area, began a volume at 07:10 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
Rapid City, SD (KRAP), launched 00:00Z, 7.2 hours before the alert went out and 142 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
- 2109 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
365
WUUS55 KCYS 190711
SVRCYS
NEC045-190800-
/O.NEW.KCYS.SV.W.0002.170419T0711Z-170419T0800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
111 AM MDT WED APR 19 2017
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Northeastern Dawes County in the Panhandle of Nebraska...
* Until 200 AM MDT
* At 111 AM MDT, a severe thunderstorm was located near Chadron
Campground, or 10 miles southwest of Chadron, moving northeast at
20 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Chadron, Red Cloud Campground, Chadron Airport, Chadron Campground
and Chadron St Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4258 10311 4270 10328 4300 10298 4300 10293
4291 10279 4278 10278
TIME...MOT...LOC 0711Z 223DEG 18KT 4270 10313
HAIL...1.00IN
WIND...<50MPH
$$
Levin1 follow-up statement
322
WWUS55 KCYS 190752
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
152 AM MDT WED APR 19 2017
NEC045-190802-
/O.EXP.KCYS.SV.W.0002.000000T0000Z-170419T0800Z/
Dawes NE-
152 AM MDT WED APR 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DAWES COUNTY WILL
EXPIRE AT 200 AM MDT...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire.
LAT...LON 4258 10311 4270 10328 4300 10298 4300 10293
4291 10279 4278 10278
TIME...MOT...LOC 0752Z 223DEG 18KT 4284 10295
$$
LevinThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 11:23 PM MDT | Special Weather Statement | CYS | Sioux | 37 min |
| Apr 18, 11:57 PM MDT | Special Weather Statement | CYS | Dawes | 48 min |
| Apr 19, 12:28 AM MDT | Severe Thunderstorm Warning | CYS | Dawes | 32 min |
| Apr 19, 1:02 AM MDT | Special Weather Statement | CYS | Dawes | 43 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning in 2017
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.