Alert archive / Kansas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 128, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jul 8, 2020, 9:14 PM CDT for Cheyenne County, Decatur County, Rawlins County, Kansas; Dundy County, Hitchcock County, Red Willow County, Nebraska. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 8, 2020, 9:14 PM CDT (02:14 UTC)
- Expired
- Jul 8, 2020, 10:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cheyenne County, KS, Decatur County, KS, Rawlins County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 87 km from the middle of the area, began a volume at 02:15 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 |
|---|---|---|---|
| Jul 8, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 134 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
- 2624 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 2346 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 8:06 PM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, Jul 8, 8:06 PM CDT, 1 hour 8 minutes before
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</html>Hazardous weather outlook, Jul 8, 8:51 PM CDT, 23 minutes before
Hazardous Weather Outlook National Weather Service Goodland KS 751 PM MDT Wed Jul 8 2020 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-100200- Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins- Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove- Greeley-Wichita-Dundy-Hitchcock-Red Willow- 751 PM MDT Wed Jul 8 2020 /851 PM CDT Wed Jul 8 2020/ This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TODAY... Strong to severe thunderstorms are expected along and east of highway 27 through about midnight MDT (1 AM CDT). The area of greatest concern for severe weather will be east of a line from Max Nebraska to Atwood and Grainfield. The primary threats will be hurricane force wind gusts to 90 mph and hail up to the size of golf balls. The very strong wind gusts may produce some blowing dust and significantly reduced visibilities. Locally heavy rainfall will promote a threat for flash flooding. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH WEDNESDAY... Heat indices on Monday and Tuesday will be near 100 degrees along and east of a line from Norton to Oakley and Leoti. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed after 4 PM MDT (5 PM CDT) along and east of highway 27. We would appreciate severe weather reports via telephone and social media. JTL
In the hours before
Special weather statement, Jul 8, 7:52 PM CDT, 1 hour 22 minutes before
Special Weather Statement National Weather Service Goodland KS 652 PM MDT Wed Jul 8 2020 COZ090-KSZ001-090115- Yuma County CO-Cheyenne KS- 652 PM MDT Wed Jul 8 2020 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN YUMA COUNTY IN NORTHEASTERN COLORADO AND NORTHWESTERN CHEYENNE COUNTIES IN NORTHWESTERN KANSAS UNTIL 715 PM MDT/815 PM CDT/... At 652 PM MDT/752 PM CDT/, Doppler radar was tracking a strong thunderstorm 10 miles north of Bonny Reservoir, moving east at 15 mph. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Beecher Island and Idalia. This includes Highway 385 between mile markers 213 and 227. LAT...LON 3965 10231 3983 10236 3995 10188 3969 10181 TIME...MOT...LOC 0052Z 262DEG 13KT 3977 10215 Lockhart
Special weather statement, Jul 8, 8:06 PM CDT, 1 hour 8 minutes before
Special Weather Statement National Weather Service Goodland KS 706 PM MDT Wed Jul 8 2020 NEZ079-090145- Dundy NE- 706 PM MDT Wed Jul 8 2020 ...SIGNIFICANT WEATHER ADVISORY FOR DUNDY COUNTY UNTIL 745 PM MDT... At 705 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles southwest of Champion, or 17 miles southwest of Imperial, moving east at 30 mph. Wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Benkelman. A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for southwestern Nebraska. LAT...LON 4035 10133 4003 10145 4018 10204 4035 10200 TIME...MOT...LOC 0105Z 285DEG 28KT 4032 10187 Lockhart
Special weather statement, Jul 8, 8:16 PM CDT, 58 minutes before
Special Weather Statement National Weather Service Goodland KS 816 PM CDT Wed Jul 8 2020 KSZ001-090145- Cheyenne KS- 816 PM CDT Wed Jul 8 2020 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CHEYENNE COUNTY IN NORTHWESTERN KANSAS UNTIL 845 PM CDT... At 816 PM CDT, Doppler radar was tracking a strong thunderstorm 10 miles west of St. Francis, moving east at 20 mph. Pea size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... St. Francis and Wheeler. A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for northwestern Kansas. LAT...LON 3962 10205 3986 10205 3993 10165 3963 10162 TIME...MOT...LOC 0116Z 262DEG 17KT 3980 10200 Lockhart
Special weather statement, Jul 8, 8:53 PM CDT, 21 minutes before
Special Weather Statement
National Weather Service Goodland KS
853 PM CDT Wed Jul 8 2020
KSZ002-NEZ080-081-090230-
Rawlins KS-Red Willow NE-Hitchcock NE-
853 PM CDT Wed Jul 8 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN RAWLINS...WESTERN RED
WILLOW AND HITCHCOCK COUNTIES UNTIL 930 PM CDT...
At 853 PM CDT, thunderstorm outflow was located 5 miles northwest of
Trenton, moving southeast at 40 mph.
Winds in excess of 40 mph will be possible.
Locations impacted include...
McCook, Trenton, Culbertson, Palisade, Stratton, Herndon and Ludell.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northwestern Kansas...and southwestern Nebraska.
LAT...LON 4035 10051 3981 10085 4000 10141 4000 10132
4013 10133 4035 10118
TIME...MOT...LOC 0153Z 296DEG 35KT 4022 10111
LockhartSpecial weather statement, Jul 8, 9:01 PM CDT, 13 minutes before
Special Weather Statement National Weather Service Goodland KS 901 PM CDT Wed Jul 8 2020 KSZ001-002-090245- Rawlins KS-Cheyenne KS- 901 PM CDT Wed Jul 8 2020 ...SIGNIFICANT WEATHER ADVISORY FOR CHEYENNE AND NORTHERN RAWLINS COUNTIES IN NORTHWESTERN KANSAS UNTIL 945 PM CDT... At 901 PM CDT, thunderstorm outflow was located 10 miles southwest of Benkelman, moving southeast at 25 mph. Winds in excess of 40 mph will be possible. Locations impacted include... St. Francis, Atwood, Bird City, McDonald, Blakeman, Beardsley and Wheeler. A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for northwestern Kansas. LAT...LON 4000 10142 3981 10085 3963 10205 4000 10205 TIME...MOT...LOC 0201Z 312DEG 21KT 3997 10170 Lockhart
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:52 PM CDT | Special Weather Statement | GLD | Cheyenne | 23 min |
| Jul 8, 8:16 PM CDT | Special Weather Statement | GLD | Cheyenne | 29 min |
| Jul 8, 9:01 PM CDT | Special Weather Statement | GLD | Cheyenne, Rawlins | 44 min |
| Jul 8, 10:11 PM CDT | Severe Thunderstorm Warning | GLD | Decatur, Norton, Rawlins | 64 min |
| Jul 8, 11:13 PM CDT | Special Weather Statement | GLD | Norton | 17 min |
| Jul 8, 11:15 PM CDT | Severe Thunderstorm Warning | GLD | Norton | 20 min |
| Jul 8, 11:34 PM CDT | Special Weather Statement | GLD | Norton | 26 min |
| Jul 9, 2:14 AM CDT | Special Weather Statement | GLD | Graham | 46 min |
| Jul 9, 2:30 AM CDT | Special Weather Statement | GLD | Graham | 60 min |
| Jul 8, 8:06 PM CDT | Special Weather Statement | GLD | Dundy | 39 min |
| Jul 8, 8:29 PM CDT | Severe Thunderstorm Warning | GLD | Dundy, Hitchcock | 46 min |
| Jul 8, 8:53 PM CDT | Special Weather Statement | GLD | Hitchcock | 37 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2020Severe Thunderstorm Warnings in Nebraska, 2020Every severe thunderstorm warning in 2020
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.