Alert archive / Colorado / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 354, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 17, 2015, 5:12 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 63 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
- Aug 17, 2015, 5:12 PM MDT (23:12 UTC)
- Expired
- Aug 17, 2015, 6:15 PM MDT
- In force
- 63 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Cheyenne County, CO, Kit Carson County, CO
The radar
The Goodland radar (KGLD), 85 km from the middle of the area, began a volume at 23:13 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 17, 2:32 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 11.2 hours before the alert went out and 104 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
- 318 J/kg
- Mixed-layer CIN
- -267 J/kg
- Mixed-layer LCL
- 1605 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 Aug 17, 2:52 PM MDT, 2 hours 20 minutes earlier.
Area forecast discussion, Aug 17, 2:52 PM MDT, 2 hours 20 minutes before
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</html>Hazardous weather outlook, Aug 17, 10:44 AM MDT, 6 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1044 AM MDT MON AUG 17 2015 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-181645- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1044 AM MDT MON AUG 17 2015 /1144 AM CDT MON AUG 17 2015/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL COLORADO... EXTREME SOUTHWEST NEBRASKA AND NORTHWEST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... THUNDERSTORMS WILL BEGIN TO DEVELOP ACROSS THE AREA THIS AFTERNOON WITH COVERAGE INCREASING DURING THE EVENING. ACTIVITY WILL SLOWLY MOVE EAST THROUGH THE OVERNIGHT HOURS. SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS MOST OF THE AREA...HOWEVER THE BEST CHANCE FOR SEVERE WEATHER WILL BE ACROSS EASTERN COLORADO AND WEST OF HIGHWAY 25 IN KANSAS AND NEBRASKA. LARGE HAIL GREATER THAN 2 INCHES...DAMAGING WINDS IN EXCESS OF 60 MPH....AND A FEW TORNADOES WILL BE POSSIBLE. SLOW STORM MOTIONS AND HEAVY RAIN COULD ALSO LEAD TO FLASH FLOODING...ESPECIALLY AT LOCATIONS THAT RECEIVED HEAVY RAINFALL SUNDAY EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED LATE THIS AFTERNOON THROUGH THIS EVENING.
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 6:46 PM MDT | Special Weather Statement | GLD | Logan | 14 min |
| Aug 16, 6:50 PM MDT | Special Weather Statement | GLD | Wallace | 25 min |
| Aug 16, 6:53 PM MDT | Special Weather Statement | GLD | Greeley | 22 min |
| Aug 16, 6:59 PM MDT | Special Weather Statement | GLD | Trego | 16 min |
| Aug 16, 7:03 PM MDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 42 min |
| Aug 16, 7:05 PM MDT | Severe Thunderstorm Warning | GLD | Logan | 23 min |
| Aug 16, 7:20 PM MDT | Severe Thunderstorm Warning | GLD | Logan, Wallace | 25 min |
| Aug 16, 7:32 PM MDT | Severe Thunderstorm Warning | GLD | Greeley | 13 min |
| Aug 16, 7:44 PM MDT | Severe Thunderstorm Warning | GLD | Greeley | 38 min |
| Aug 16, 7:46 PM MDT | Flash Flood Warning | GLD | Logan | 3 hr |
| Aug 16, 8:08 PM MDT | Special Weather Statement | GLD | Wichita | 37 min |
| Aug 16, 8:21 PM MDT | Special Weather Statement | GLD | Greeley | 24 min |
| Aug 16, 8:37 PM MDT | Flash Flood Warning | GLD | Greeley | 3 hr |
| Aug 16, 8:44 PM MDT | Severe Thunderstorm Warning | GLD | Wichita | 31 min |
| Aug 17, 6:31 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Decatur, Gove, Graham, Logan, Norton and 5 more | 3 hr |
| Aug 16, 8:32 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 30 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2015Every severe thunderstorm warning in 2015
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.