Alert archive / Kansas / Flash Flood Watches in 2014

Flash Flood Watch 4, NWS Goodland, KS

August 26, 20149 counties in Kansas; Cheyenne County, Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this flash flood watch at Aug 26, 2014, 4:52 AM CDT for 9 counties in Kansas; Cheyenne County, Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska. It took effect at Aug 26, 2014, 7:00 PM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 26, 2014, 4:52 AM CDT (09:52 UTC)
In effect from
Aug 26, 2014, 7:00 PM CDT
Expired
Aug 27, 2014, 5:16 AM CDT
In force
10 hr
Issued by
NWS Goodland, KS
Flood severity
None

Counties Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Greeley County, KS, Logan County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 16 km from the middle of the area, began a volume at 09:52 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

Denver, CO (KDEN), launched 00:00Z, 9.9 hours before the alert went out and 153 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, Denver, CO at 00:00Z on 2014-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2014-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.19395878Sfc1 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
31 J/kg
Mixed-layer CIN
-287 J/kg
Mixed-layer LCL
1596 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 26, 12:08 AM CDT, 4 hours 44 minutes earlier.

Area forecast discussion, Aug 26, 12:08 AM CDT, 4 hours 44 minutes before
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Hazardous weather outlook, Aug 25, 5:44 PM CDT, 11 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
444 PM MDT MON AUG 25 2014

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-260630-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
444 PM MDT MON AUG 25 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL COLORADO...
EXTREME SOUTHWEST NEBRASKA AND NORTHWEST KANSAS.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL CONTINUE TO INCREASE IN COVERAGE AND OVERSPREAD
THE AREA THIS EVENING...TRANSITIONING NORTH AND EAST THROUGH THE
OVERNIGHT HOURS. SEVERE THUNDERSTORMS ARE EXPECTED. LARGE HAIL TO
THE SIZE OF HALF DOLLARS AND DAMAGING WINDS ARE POSSIBLE THIS
EVENING. IN ADDITION SLOW MOVING THUNDERSTORMS PRODUCING HEAVY
RAIN THIS EVENING AND OVERNIGHT MAY LEAD TO LOCALIZED FLASH
FLOODING...ESPECIALLY NORTH OF INTERSTATE 70.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A FEW STRONG TO SEVERE STORMS ARE POSSIBLE ACROSS THE TRI STATE
AREA FROM TUESDAY THROUGH FRIDAY. IN ADDITION...THERE WILL BE AN
INCREASED FLASH FLOOD THREAT WITH SLOW MOVING THUNDERSTORMS THAT
DEVELOP.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Aug 26, 12:50 AM CDT, 4 hours 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:29 PM CDTSevere Thunderstorm WarningGLDGreeley, Wallace46 min
Aug 25, 9:01 PM CDTSevere Thunderstorm WarningGLDWallace44 min
Aug 25, 9:32 PM CDTSevere Thunderstorm WarningGLDSherman, Wallace45 min
Aug 25, 10:00 PM CDTSevere Thunderstorm WarningGLDCheyenne36 min
Aug 26, 6:50 PM CDTSpecial Weather StatementGLDGreeley40 min
Aug 25, 9:13 PM CDTSevere Thunderstorm WarningGLDKit Carson, Yuma47 min
Aug 26, 12:50 AM CDTSpecial Weather StatementGLDRed Willow40 min

Nearby

Flash Flood Watches in Kansas, 2014Flash Flood Watches in Colorado, 2014Flash Flood Watches in Nebraska, 2014Every flash flood watch in 2014

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.