Alert archive / Nebraska / Flash Flood Warnings in 2021
Flash Flood Warning 17, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at May 22, 2021, 5:42 PM CDT for Red Willow County, Nebraska. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 22, 2021, 5:42 PM CDT (22:42 UTC)
- Expired
- May 22, 2021, 7:52 PM CDT
- In force
- 2 hr
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Red Willow County, NE
The radar
The Goodland radar (KGLD), 128 km from the middle of the area, began a volume at 22:43 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 102 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
- 308 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 246 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
934
WGUS53 KGLD 222242
FFWGLD
NEC145-230145-
/O.NEW.KGLD.FF.W.0017.210522T2242Z-210523T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
542 PM CDT Sat May 22 2021
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
West Central Red Willow County in southwestern Nebraska...
* Until 845 PM CDT.
* At 542 PM CDT, 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...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
McCook.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4026 10075 4026 10056 4013 10056 4013 10076
4026 10076
FLASH FLOOD...RADAR INDICATED
$$
ANW1 follow-up statement
456
WGUS73 KGLD 230052
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
752 PM CDT Sat May 22 2021
NEC145-230102-
/O.CAN.KGLD.FF.W.0017.000000T0000Z-210523T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Red Willow NE-
752 PM CDT Sat May 22 2021
...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL RED WILLOW
COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat.
LAT...LON 4026 10075 4026 10056 4013 10056 4013 10076
4026 10076
$$
ANWThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 3:31 PM CDT | Severe Thunderstorm Warning | GLD | Dundy, Hitchcock | 29 min |
| May 22, 4:53 PM CDT | Special Weather Statement | GLD | Red Willow | 22 min |
| May 22, 5:25 PM CDT | Special Weather Statement | GLD | Red Willow | 65 min |
| May 22, 5:45 PM CDT | Special Weather Statement | GLD | Red Willow | 15 min |
Nearby
Flash Flood Warnings in Nebraska, 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.