Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 30, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at Jul 16, 2021, 5:29 PM MDT for Kit Carson County, Colorado. It was in force for 87 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
- Jul 16, 2021, 5:29 PM MDT (23:29 UTC)
- Expired
- Jul 16, 2021, 6:56 PM MDT
- In force
- 87 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 64 km from the middle of the area, began a volume at 23:28 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 12:00Z, 11.5 hours before the alert went out and 82 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
- 2659 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
727
WGUS53 KGLD 162329
FFWGLD
COC063-170130-
/O.NEW.KGLD.FF.W.0030.210716T2329Z-210717T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
529 PM MDT Fri Jul 16 2021
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
Northeastern Kit Carson County in east central Colorado...
* Until 730 PM MDT.
* At 529 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
mainly rural areas of Northeastern Kit Carson County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3955 10256 3953 10227 3932 10224 3934 10255
FLASH FLOOD...RADAR INDICATED
$$
JN2 follow-up statements
962
WGUS73 KGLD 162344
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
544 PM MDT Fri Jul 16 2021
COC063-170130-
/O.CON.KGLD.FF.W.0030.000000T0000Z-210717T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kit Carson CO-
544 PM MDT Fri Jul 16 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MDT THIS
EVENING FOR NORTHEASTERN KIT CARSON COUNTY...
At 544 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
mainly rural areas of Northeastern Kit Carson County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3955 10256 3953 10227 3932 10224 3934 10255
FLASH FLOOD...RADAR INDICATED
$$
JN141 WGUS73 KGLD 170056 FFSGLD Flash Flood Statement National Weather Service Goodland KS 656 PM MDT Fri Jul 16 2021 COC063-170106- /O.CAN.KGLD.FF.W.0030.000000T0000Z-210717T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kit Carson CO- 656 PM MDT Fri Jul 16 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN KIT CARSON COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. LAT...LON 3955 10256 3953 10227 3932 10224 3934 10255 $$ JN
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 10:20 PM MDT | Dense Fog Advisory | GLD | Kit Carson, Yuma | 11 hr |
| Jul 16, 4:15 PM MDT | Special Weather Statement | GLD | Kit Carson | 30 min |
| Jul 16, 4:44 PM MDT | Special Weather Statement | GLD | Yuma | 46 min |
| Jul 16, 5:02 PM MDT | Special Weather Statement | GLD | Cheyenne | 28 min |
| Jul 16, 5:34 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 56 min |
| Jul 16, 5:37 PM MDT | Special Weather Statement | GLD | Cheyenne | 23 min |
| Jul 16, 5:39 PM MDT | Flash Flood Warning | GLD | Cheyenne | 58 min |
| Jul 16, 5:42 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 14 min |
Nearby
Flash Flood Warnings in Colorado, 2021Every flash flood warning in 2021
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.