Alert archive / Kansas / Flash Flood Watches in 2019
Flash Flood Watch 2, NWS Goodland, KS
NWS Goodland, KS issued this flash flood watch at Jul 20, 2019, 8:55 PM CDT for 4 counties in Kansas; Cheyenne County, Kit Carson County, Yuma County, Colorado; Dundy County, Nebraska. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2019, 8:55 PM CDT (01:55 UTC)
- Expired
- Jul 21, 2019, 1:27 AM CDT
- In force
- 5 hr
- Issued by
- NWS Goodland, KS
- Flood severity
- None
Counties Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Greeley County, KS, Sherman County, KS, Wallace County, KS, Dundy County, NE
The radar
The Goodland radar (KGLD), 29 km from the middle of the area, began a volume at 01:55 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 (KDNR), launched 00:00Z, 1.9 hours before the alert went out and 117 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
- 393 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1953 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Jul 20, 7:15 PM CDT, 1 hour 40 minutes earlier.
Area forecast discussion, Jul 20, 7:15 PM CDT, 1 hour 40 minutes before
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</html>Hazardous weather outlook, Jul 20, 6:59 PM CDT, 1 hour 56 minutes before
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</html>In the hours before
Local storm report, Jul 20, 4:16 PM CDT, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
316 PM MDT SAT JUL 20 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0253 PM EXCESSIVE HEAT 1 E HILL CITY 39.37N 99.83W
07/20/2019 M108 F GRAHAM KS ASOS
ASOS STATION KHLC HILL CITY.
&&Special weather statement, Jul 20, 8:14 PM CDT, 41 minutes before
Special Weather Statement National Weather Service Goodland KS 714 PM MDT Sat Jul 20 2019 KSZ041-210130- Greeley KS- 714 PM MDT Sat Jul 20 2019 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GREELEY COUNTY UNTIL 730 PM MDT... At 713 PM MDT, Doppler radar was tracking a strong thunderstorm 6 miles southwest of Horace, or 8 miles west of Tribune, moving northwest at 5 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Tribune and Horace. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3830 10168 3831 10197 3852 10202 3857 10172 TIME...MOT...LOC 0113Z 123DEG 6KT 3843 10190 024
Special weather statement, Jul 20, 8:30 PM CDT, 25 minutes before
Special Weather Statement National Weather Service Goodland KS 730 PM MDT Sat Jul 20 2019 KSZ041-210145- Greeley KS- 730 PM MDT Sat Jul 20 2019 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GREELEY COUNTY UNTIL 745 PM MDT... At 730 PM MDT, Doppler radar was tracking a strong thunderstorm over Tribune, moving north at 15 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Tribune and Horace. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3829 10158 3829 10197 3857 10199 3857 10157 TIME...MOT...LOC 0130Z 184DEG 12KT 3847 10176 024
Special weather statement, Jul 20, 8:46 PM CDT, 9 minutes before
Special Weather Statement National Weather Service Goodland KS 746 PM MDT Sat Jul 20 2019 KSZ041-210215- Greeley KS- 746 PM MDT Sat Jul 20 2019 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GREELEY COUNTY UNTIL 815 PM MDT... At 745 PM MDT, Doppler radar was tracking a strong thunderstorm over Horace, or near Tribune, moving north at 20 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Tribune and Horace. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && A Severe Thunderstorm Watch remains in effect until 200 AM MDT for west central Kansas. LAT...LON 3837 10158 3836 10192 3858 10191 3859 10158 TIME...MOT...LOC 0145Z 190DEG 15KT 3850 10178 024
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:14 PM CDT | Special Weather Statement | GLD | Greeley | 16 min |
| Jul 20, 8:30 PM CDT | Special Weather Statement | GLD | Greeley | 15 min |
| Jul 20, 8:46 PM CDT | Special Weather Statement | GLD | Greeley | 29 min |
| Jul 20, 9:01 PM CDT | Severe Thunderstorm Warning | GLD | Greeley | 44 min |
| Jul 20, 9:11 PM CDT | Special Weather Statement | GLD | Wichita | 34 min |
| Jul 20, 9:46 PM CDT | Special Weather Statement | GLD | Greeley, Wichita | 29 min |
| Jul 20, 10:47 PM CDT | Special Weather Statement | GLD | Wallace | 28 min |
| Jul 20, 11:07 PM CDT | Areal Flood Warning | GLD | Greeley, Wichita | 2 hr |
| Jul 20, 11:16 PM CDT | Special Weather Statement | GLD | Sherman | 29 min |
| Jul 20, 11:42 PM CDT | Special Weather Statement | GLD | Sherman | 33 min |
| Jul 21, 12:17 AM CDT | Special Weather Statement | GLD | Cheyenne, Sherman | 13 min |
| Jul 21, 12:30 AM CDT | Special Weather Statement | GLD | Cheyenne | 15 min |
| Jul 20, 10:22 PM CDT | Special Weather Statement | GLD | Cheyenne | 38 min |
| Jul 20, 10:29 PM CDT | Special Weather Statement | GLD | Kit Carson | 16 min |
| Jul 20, 10:49 PM CDT | Special Weather Statement | GLD | Kit Carson | 26 min |
| Jul 20, 11:08 PM CDT | Special Weather Statement | GLD | Kit Carson | 22 min |
| Jul 21, 12:44 AM CDT | Special Weather Statement | GLD | Yuma | 16 min |
| Jul 21, 12:58 AM CDT | Special Weather Statement | GLD | Yuma | 32 min |
Nearby
Flash Flood Watches in Kansas, 2019Flash Flood Watches in Colorado, 2019Flash Flood Watches in Nebraska, 2019Every flash flood watch in 2019
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.