Alert archive / Kansas / Flash Flood Warnings in 2021
Flash Flood Warning 29, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at Jul 6, 2021, 1:12 PM CDT for Decatur County, Norton 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
- Jul 6, 2021, 1:12 PM CDT (18:12 UTC)
- Expired
- Jul 6, 2021, 4:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Decatur County, KS, Norton County, KS
The radar
The Goodland radar (KGLD), 145 km from the middle of the area, began a volume at 18:15 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, 6.2 hours before the alert went out and 139 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
- 688 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1249 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
561
WGUS53 KGLD 061812
FFWGLD
KSC039-137-062115-
/O.NEW.KGLD.FF.W.0029.210706T1812Z-210706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
112 PM CDT Tue Jul 6 2021
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
Northeastern Decatur County in northwestern Kansas...
Northwestern Norton County in northwestern Kansas...
* Until 415 PM CDT.
* At 112 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. 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...
Norcatur and Reager.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3985 10041 4000 10036 4000 10001 4000 10000
4000 9999 3978 10001
FLASH FLOOD...RADAR INDICATED
$$
JRM2 follow-up statements
021
WGUS73 KGLD 061916
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
216 PM CDT Tue Jul 6 2021
KSC039-137-062115-
/O.CON.KGLD.FF.W.0029.000000T0000Z-210706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur KS-Norton KS-
216 PM CDT Tue Jul 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT THIS
AFTERNOON FOR NORTHEASTERN DECATUR AND NORTHWESTERN NORTON
COUNTIES...
At 216 PM CDT, Doppler radar indicated heavy rain between 1.5 and 4
inches had fallen across the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Norcatur and Reager.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3985 10041 4000 10036 4000 10001 4000 10000
4000 9999 3978 10001
FLASH FLOOD...RADAR INDICATED
$$
JRM527
WGUS73 KGLD 062116
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
416 PM CDT Tue Jul 6 2021
KSC039-137-062126-
/O.EXP.KGLD.FF.W.0029.000000T0000Z-210706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur KS-Norton KS-
416 PM CDT Tue Jul 6 2021
...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN DECATUR AND
NORTHWESTERN NORTON COUNTIES...
The heavy rain has ended. Please continue to heed remaining road
closures.
LAT...LON 3985 10041 4000 10036 4000 10001 4000 10000
4000 9999 3978 10001
$$
ANWThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 11:55 AM CDT | Special Weather Statement | GLD | Cheyenne | 20 min |
| Jul 6, 12:13 PM CDT | Special Weather Statement | GLD | Norton | 32 min |
| Jul 6, 1:09 PM CDT | Special Weather Statement | GLD | Decatur | 21 min |
| Jul 6, 1:45 PM CDT | Special Weather Statement | GLD | Decatur | 15 min |
| Jul 6, 2:02 PM CDT | Special Weather Statement | GLD | Sheridan | 13 min |
| Jul 6, 2:16 PM CDT | Special Weather Statement | GLD | Sheridan | 14 min |
| Jul 6, 4:15 PM CDT | Areal Flood Warning | GLD | Decatur, Norton | 83 min |
| Jul 6, 6:58 PM CDT | Special Weather Statement | GLD | Wallace | 17 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.