Alert archive / Nebraska / Flash Flood Warnings in 2021
Flash Flood Warning 1, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at May 2, 2021, 6:39 PM CDT for Hitchcock County, Nebraska. It was in force for 77 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
- May 2, 2021, 6:39 PM CDT (23:39 UTC)
- Expired
- May 2, 2021, 7:56 PM CDT
- In force
- 77 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Hitchcock County, NE
The radar
The Goodland radar (KGLD), 104 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 119 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
- 2576 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
278
WGUS53 KGLD 022339
FFWGLD
NEC087-030245-
/O.NEW.KGLD.FF.W.0001.210502T2339Z-210503T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
639 PM CDT Sun May 2 2021
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
Southeastern Hitchcock County in southwestern Nebraska...
* Until 945 PM CDT.
* At 638 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...
mainly rural areas of Southeastern Hitchcock County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4014 10103 4001 10103 4001 10076 4014 10076
FLASH FLOOD...RADAR INDICATED
$$
JN2 follow-up statements
726
WGUS73 KGLD 030024
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
724 PM CDT Sun May 2 2021
NEC087-030245-
/O.CON.KGLD.FF.W.0001.000000T0000Z-210503T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hitchcock NE-
724 PM CDT Sun May 2 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM CDT THIS
EVENING FOR SOUTHEASTERN HITCHCOCK COUNTY...
At 724 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
mainly rural areas of Southeastern Hitchcock County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4014 10103 4001 10103 4001 10076 4014 10076
FLASH FLOOD...RADAR INDICATED
$$
JN214 WGUS73 KGLD 030056 FFSGLD Flash Flood Statement National Weather Service Goodland KS 756 PM CDT Sun May 2 2021 NEC087-030106- /O.CAN.KGLD.FF.W.0001.000000T0000Z-210503T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hitchcock NE- 756 PM CDT Sun May 2 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN HITCHCOCK COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. LAT...LON 4014 10103 4001 10103 4001 10076 4014 10076 $$ JN
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 5:05 PM CDT | Special Weather Statement | GLD | Hitchcock | 25 min |
| May 2, 5:22 PM CDT | Severe Thunderstorm Warning | GLD | Dundy | 53 min |
| May 2, 6:03 PM CDT | Severe Thunderstorm Warning | GLD | Dundy, Hitchcock | 72 min |
| May 2, 6:40 PM CDT | Special Weather Statement | GLD | Red Willow | 20 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.