Alert archive / Nebraska / Tornado Warnings in 2017
Tornado Warning 33, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at Aug 12, 2017, 6:16 PM MDT for Dundy County, Nebraska; Yuma County, Colorado; Cheyenne County, Kansas. It was in force for 29 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 12, 2017, 6:16 PM MDT (00:16 UTC)
- Expired
- Aug 12, 2017, 6:45 PM MDT
- In force
- 29 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
Counties Yuma County, CO, Cheyenne County, KS, Dundy County, NE
The radar
The Goodland radar (KGLD), 81 km from the middle of the area, began a volume at 00:20 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 |
|---|---|---|---|
| Aug 12, 2:59 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.3 hours before the alert went out and 93 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
- 2378 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
831
WFUS53 KGLD 130016
TORGLD
COC125-KSC023-NEC057-130045-
/O.NEW.KGLD.TO.W.0033.170813T0016Z-170813T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
616 PM MDT SAT AUG 12 2017
The National Weather Service in Goodland has issued a
* Tornado Warning for...
East central Yuma County in northeastern Colorado...
Northwestern Cheyenne County in northwestern Kansas...
Southwestern Dundy County in southwestern Nebraska...
* Until 645 PM MDT/745 PM CDT/
* At 616 PM MDT/716 PM CDT/, a severe thunderstorm capable of
producing a tornado was located near Wray, moving southeast at 30
mph.
HAZARD...Tornado and hail up to two inches in diameter.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Wray and Haigler.
This includes Highway 385 between mile markers 237 and 244.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4001 10233 4010 10228 4001 10185 3990 10199
TIME...MOT...LOC 0016Z 292DEG 26KT 4003 10227
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$3 follow-up statements
201
WWUS53 KGLD 130029
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
629 PM MDT SAT AUG 12 2017
COC125-KSC023-NEC057-130045-
/O.CON.KGLD.TO.W.0033.000000T0000Z-170813T0045Z/
Yuma CO-Cheyenne KS-Dundy NE-
629 PM MDT SAT AUG 12 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MDT/745 PM CDT/
FOR EAST CENTRAL YUMA COUNTY IN NORTHEASTERN COLORADO...NORTHWESTERN
CHEYENNE COUNTY IN NORTHWESTERN KANSAS AND SOUTHWESTERN DUNDY
COUNTIES IN SOUTHWESTERN NEBRASKA...
At 629 PM MDT/729 PM CDT/, a severe thunderstorm capable of producing
a tornado was located 5 miles southeast of Wray, moving east at 20
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Haigler.
This includes Highway 385 between mile markers 237 and 241.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4001 10230 4005 10226 4001 10185 3990 10199
TIME...MOT...LOC 0029Z 284DEG 18KT 4001 10218
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$362
WWUS53 KGLD 130036
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
636 PM MDT SAT AUG 12 2017
NEC057-130045-
/O.CAN.KGLD.TO.W.0033.000000T0000Z-170813T0045Z/
Dundy NE-
636 PM MDT SAT AUG 12 2017
...THE TORNADO WARNING FOR SOUTHWESTERN DUNDY COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1100 PM
MDT/midnight CDT/ for northeastern Colorado...northwestern Kansas...
and southwestern Nebraska.
LAT...LON 4002 10205 4000 10205 4000 10186 3990 10199
3998 10220 4002 10213
TIME...MOT...LOC 0035Z 292DEG 26KT 4000 10214
$$
COC125-KSC023-130045-
/O.CON.KGLD.TO.W.0033.000000T0000Z-170813T0045Z/
Yuma CO-Cheyenne KS-
636 PM MDT SAT AUG 12 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MDT/745 PM CDT/
FOR EASTERN YUMA COUNTY IN NORTHEASTERN COLORADO AND NORTHWESTERN
CHEYENNE COUNTIES IN NORTHWESTERN KANSAS...
At 635 PM MDT/735 PM CDT/, a severe thunderstorm capable of producing
a tornado was located 7 miles southeast of Wray, moving east at 30
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
eastern Yuma County in northeastern Colorado and northwestern
Cheyenne Counties in northwestern Kansas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4002 10205 4000 10205 4000 10186 3990 10199
3998 10220 4002 10213
TIME...MOT...LOC 0035Z 292DEG 26KT 4000 10214
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$153
WWUS53 KGLD 130040
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
640 PM MDT SAT AUG 12 2017
COC125-KSC023-130050-
/O.EXP.KGLD.TO.W.0033.000000T0000Z-170813T0045Z/
Yuma CO-Cheyenne KS-
640 PM MDT SAT AUG 12 2017
...THE TORNADO WARNING FOR EASTERN YUMA COUNTY IN NORTHEASTERN
COLORADO AND NORTHWESTERN CHEYENNE COUNTIES IN NORTHWESTERN KANSAS
WILL EXPIRE AT 645 PM MDT/745 PM CDT/...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with this thunderstorm.
A severe thunderstorm watch remains in effect until 1100 PM
MDT/midnight CDT/ for northeastern Colorado...northwestern Kansas...
and southwestern Nebraska.
LAT...LON 4002 10205 4000 10205 4000 10186 3990 10199
3998 10220 4002 10213
TIME...MOT...LOC 0040Z 292DEG 26KT 3999 10210
$$The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:21 PM MDT | Severe Thunderstorm Warning | GLD | Dundy, Hitchcock | 24 min |
| Aug 12, 7:42 PM MDT | Severe Thunderstorm Warning | GLD | Hitchcock | 48 min |
| Aug 12, 6:07 PM MDT | Special Weather Statement | GLD | Yuma | 23 min |
| Aug 12, 6:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 29 min |
| Aug 12, 6:49 PM MDT | Special Weather Statement | GLD | Kit Carson | 26 min |
| Aug 12, 7:34 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 25 min |
| Aug 13, 5:41 PM MDT | Special Weather Statement | GLD | Yuma | 34 min |
| Aug 12, 8:42 PM MDT | Special Weather Statement | GLD | Sherman | 33 min |
| Aug 12, 9:03 PM MDT | Special Weather Statement | GLD | Rawlins | 27 min |
| Aug 13, 4:49 PM MDT | Special Weather Statement | GLD | Greeley | 26 min |
| Aug 13, 5:27 PM MDT | Special Weather Statement | GLD | Greeley | 33 min |
| Aug 13, 5:36 PM MDT | Severe Thunderstorm Warning | GLD | Greeley | 39 min |
Nearby
Tornado Warnings in Nebraska, 2017Tornado Warnings in Colorado, 2017Tornado Warnings in Kansas, 2017Every tornado warning in 2017Tornadoes 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.