Alert archive / Kansas / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at May 26, 2021, 10:08 PM CDT for Graham County, Kansas. It was in force for 3 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 26, 2021, 10:08 PM CDT (03:08 UTC)
- Expired
- May 27, 2021, 1:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Graham County, KS
The radar
The Grand Island radar (KUEX), 148 km from the middle of the area, began a volume at 03:09 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
Dodge City, (KDDC), launched 00:00Z, 3.1 hours before the alert went out and 185 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
- 1992 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1327 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 22.5
The text
As transmitted.
550
WGUS53 KGLD 270308
FFWGLD
KSC065-270615-
/O.NEW.KGLD.FF.W.0023.210527T0308Z-210527T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
1008 PM CDT Wed May 26 2021
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
Northeastern Graham County in northwestern Kansas...
* Until 115 AM CDT.
* At 1007 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...
Hill City, Bogue and Nicodemus.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3954 9960 3931 9960 3925 9990 3952 9995
FLASH FLOOD...RADAR INDICATED
$$
ANW1 follow-up statement
416 WGUS73 KGLD 270616 FFSGLD Flash Flood Statement National Weather Service Goodland KS 116 AM CDT Thu May 27 2021 KSC065-270626- /O.EXP.KGLD.FF.W.0023.000000T0000Z-210527T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Graham KS- 116 AM CDT Thu May 27 2021 ...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN GRAHAM COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. LAT...LON 3954 9960 3931 9960 3925 9990 3952 9995 $$ ANW
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:26 PM CDT | Special Weather Statement | GLD | Norton | 34 min |
| May 26, 7:42 PM CDT | Tornado Warning | GLD | Decatur, Graham, Norton, Sheridan | 18 min |
| May 26, 7:45 PM CDT | Special Weather Statement | GLD | Decatur | 45 min |
| May 26, 7:59 PM CDT | Tornado Warning | GLD | Norton | 31 min |
| May 26, 8:03 PM CDT | Severe Thunderstorm Warning | GLD | Decatur, Rawlins | 57 min |
| May 26, 8:24 PM CDT | Severe Thunderstorm Warning | GLD | Norton | 51 min |
| May 26, 8:32 PM CDT | Special Weather Statement | GLD | Graham | 13 min |
| May 26, 8:51 PM CDT | Special Weather Statement | GLD | Graham | 24 min |
| May 26, 8:53 PM CDT | Severe Thunderstorm Warning | GLD | Graham | 22 min |
| May 26, 9:17 PM CDT | Special Weather Statement | GLD | Graham | 58 min |
| May 26, 9:31 PM CDT | Severe Thunderstorm Warning | GLD | Graham | 29 min |
| May 26, 10:00 PM CDT | Severe Thunderstorm Warning | GLD | Graham | 15 min |
| May 26, 10:37 PM CDT | Special Weather Statement | GLD | Norton | 53 min |
| May 26, 11:13 PM CDT | Special Weather Statement | GLD | Decatur | 62 min |
| May 26, 11:25 PM CDT | Special Weather Statement | GLD | Norton | 50 min |
| May 27, 12:17 AM CDT | Special Weather Statement | GLD | Graham, Norton | 43 min |
Nearby
Flash Flood Warnings in Kansas, 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.