Alert archive / Kansas / Flash Flood Watches in 2017
Flash Flood Watch 6, NWS Goodland, KS
NWS Goodland, KS issued this flash flood watch at Aug 15, 2017, 2:23 PM CDT for Cheyenne County, Rawlins County, Sherman County, Kansas; Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska. It took effect at Aug 15, 2017, 3:00 PM CDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2017, 2:23 PM CDT (19:23 UTC)
- In effect from
- Aug 15, 2017, 3:00 PM CDT
- Expired
- Aug 16, 2017, 4:43 AM CDT
- In force
- 14 hr
- Issued by
- NWS Goodland, KS
- Flood severity
- None
Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 54 km from the middle of the area, began a volume at 19:25 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
Denver, CO (KDEN), launched 12:00Z, 7.4 hours before the alert went out and 140 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
- 1859 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Aug 15, 12:40 PM CDT, 1 hour 43 minutes earlier.
Area forecast discussion, Aug 15, 12:40 PM CDT, 1 hour 43 minutes before
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</html>Hazardous weather outlook, Aug 15, 11:43 AM CDT, 2 hours 40 minutes before
Hazardous Weather Outlook National Weather Service Goodland KS 1043 AM MDT Tue Aug 15 2017 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-161200- Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins- Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove- Greeley-Wichita-Dundy-Hitchcock-Red Willow- 1043 AM MDT Tue Aug 15 2017 /1143 AM CDT Tue Aug 15 2017/ This hazardous weather outlook is for east central Colorado... extreme southwest Nebraska and northwest Kansas. .DAY ONE...THIS AFTERNOON AND TONIGHT... Scattered thunderstorms will develop over northeast Colorado and southwest Nebraska early this afternoon and spread across the remainder of the area through the afternoon and evening hours. Large Hail, damaging winds, and a few tornadoes will be possible across the entire area. Another threat will be very heavy rainfall could cause flash flooding, especially to those areas that received heavy rainfall last night. At this time the main area of concern for flash flooding will be generally along and north of a line from Flagler to Goodland to Atwood to McCook. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY... While no severe weather is expected at this time, an active pattern will continue to produce isolated to scattered thunderstorms each day across the Central High Plains region. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required after 3 pm MDT (4 pm CDT).
In the hours before
Local storm report, Aug 15, 9:06 AM CDT, 5 hours 17 minutes before
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</html>Local storm report, Aug 15, 9:09 AM CDT, 5 hours 14 minutes before
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 7:15 PM CDT | Severe Thunderstorm Warning | GLD | Cheyenne, Sherman | 30 min |
| Aug 14, 7:37 PM CDT | Special Weather Statement | GLD | Cheyenne | 23 min |
| Aug 14, 7:45 PM CDT | Special Weather Statement | GLD | Sherman | 15 min |
| Aug 14, 7:46 PM CDT | Flash Flood Warning | GLD | Cheyenne, Sherman | 3 hr |
| Aug 14, 8:04 PM CDT | Severe Thunderstorm Warning | GLD | Sherman | 41 min |
| Aug 14, 8:39 PM CDT | Severe Thunderstorm Warning | GLD | Sherman | 51 min |
| Aug 14, 8:50 PM CDT | Flash Flood Warning | GLD | Sherman | 3 hr |
| Aug 14, 7:48 PM CDT | Special Weather Statement | GLD | Kit Carson | 12 min |
| Aug 14, 9:06 PM CDT | Severe Thunderstorm Warning | GLD | Kit Carson | 39 min |
| Aug 14, 9:25 PM CDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Aug 14, 9:30 PM CDT | Severe Thunderstorm Warning | GLD | Kit Carson | 31 min |
| Aug 14, 9:48 PM CDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Aug 14, 9:54 PM CDT | Severe Thunderstorm Warning | GLD | Kit Carson | 51 min |
| Aug 14, 10:14 PM CDT | Flash Flood Warning | GLD | Kit Carson | 9 hr |
| Aug 14, 10:32 PM CDT | Severe Thunderstorm Warning | GLD | Kit Carson | 43 min |
| Aug 14, 11:22 PM CDT | Special Weather Statement | GLD | Kit Carson | 8 min |
| Aug 14, 11:33 PM CDT | Severe Thunderstorm Warning | GLD | Kit Carson | 26 min |
Nearby
Flash Flood Watches in Kansas, 2017Flash Flood Watches in Nebraska, 2017Flash Flood Watches in Colorado, 2017Every flash flood watch 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.