Alert archive / Kansas / Flash Flood Watches in 2019

Flash Flood Watch 3, NWS Goodland, KS

August 10, 201911 counties in Kansas; Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this flash flood watch at Aug 10, 2019, 2:49 PM CDT for 11 counties in Kansas; Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska. It took effect at Aug 10, 2019, 7:00 PM CDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 2019, 2:49 PM CDT (19:49 UTC)
In effect from
Aug 10, 2019, 7:00 PM CDT
Expired
Aug 12, 2019, 2:40 AM CDT
In force
32 hr
Issued by
NWS Goodland, KS
Flood severity
None

Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 55 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 179 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2019-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1602 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2019-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1602 J/kg
Mixed-layer CIN
-207 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this flash flood watch went out at Aug 10, 2:06 PM CDT, 43 minutes earlier.

Area forecast discussion, Aug 10, 2:06 PM CDT, 43 minutes before
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Hazardous weather outlook, Aug 10, 2:55 AM CDT, 11 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
155 AM MDT Sat Aug 10 2019

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-110800-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
155 AM MDT Sat Aug 10 2019 /255 AM CDT Sat Aug 10 2019/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

.DAY ONE...TODAY AND TONIGHT...

Isolated severe thunderstorms capable of producing quarter size hail
and wind gusts up to 65 mph will be possible late this afternoon and
evening, primarily west of Highway 25 between 5 pm and 11 pm MDT.
Locally heavy rainfall can be expected with any thunderstorms. Isolated
flash flooding will be possible.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

Isolated severe thunderstorms capable of producing quarter to
golf ball size hail and wind gusts up to 70 mph will be possible
late Sunday afternoon and evening, primarily north of Interstate 70
between 5 pm and 11 pm MDT. Locally heavy rainfall can be expected
with any thunderstorms. Isolated flash flooding will be possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Sunday afternoon and evening.

Vincent

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 6:32 PM CDTSpecial Weather StatementGLDYuma28 min

Nearby

Flash Flood Watches in Kansas, 2019Flash Flood Watches in Nebraska, 2019Flash Flood Watches in Colorado, 2019Every flash flood watch in 2019

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.