Alert archive / Colorado / Flash Flood Warnings in 2019

Flash Flood Warning 16, NWS Goodland, KS

June 1, 2019Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this flash flood warning at Jun 1, 2019, 7:14 PM MDT for Cheyenne County, Kit Carson County, Colorado. 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 counties it named.

The facts

Issued
Jun 1, 2019, 7:14 PM MDT (01:14 UTC)
Expired
Jun 1, 2019, 10:15 PM MDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Goodland radar (KGLD), 85 km from the middle of the area, began a volume at 01:18 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, 1.2 hours before the alert went out and 104 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 2019-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 2019-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
17 J/kg
Mixed-layer CIN
-207 J/kg
Mixed-layer LCL
2073 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jun 1, 6:43 PM MDT, 31 minutes earlier.

Area forecast discussion, Jun 1, 6:43 PM MDT, 31 minutes before
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Hazardous weather outlook, Jun 1, 6:02 PM MDT, 1 hour 12 minutes before
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In the hours before

Special weather statement, Jun 1, 5:41 PM MDT, 1 hour 33 minutes before
Special Weather Statement
National Weather Service Goodland KS
541 PM MDT Sat Jun 1 2019

COZ092-020015-
Cheyenne County CO-
541 PM MDT Sat Jun 1 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CHEYENNE COUNTY IN EAST
CENTRAL COLORADO UNTIL 615 PM MDT...

At 540 PM MDT, Doppler radar was tracking a strong thunderstorm near
Forder, or 44 miles south of Limon, moving northeast at 20 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Kit Carson, Wild Horse and Aroya.

LAT...LON 3869 10317 3869 10316 3904 10316 3904 10298
      3889 10271 3861 10277 3861 10317
TIME...MOT...LOC 2340Z 240DEG 19KT 3863 10376

JN
Special weather statement, Jun 1, 6:18 PM MDT, 56 minutes before
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Special weather statement, Jun 1, 6:36 PM MDT, 38 minutes before
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Special weather statement, Jun 1, 6:41 PM MDT, 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 6:18 PM MDTSpecial Weather StatementGLDGreeley42 min
Jun 1, 6:27 PM MDTSevere Thunderstorm WarningGLDGreeley48 min
Jun 1, 7:15 PM MDTSpecial Weather StatementGLDWichita45 min
Jun 1, 7:46 PM MDTSpecial Weather StatementGLDWichita59 min
Jun 1, 9:11 PM MDTSpecial Weather StatementGLDWallace19 min
Jun 1, 6:24 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson36 min
Jun 1, 6:36 PM MDTSpecial Weather StatementGLDCheyenne54 min
Jun 1, 6:41 PM MDTSpecial Weather StatementGLDKit Carson64 min
Jun 1, 7:05 PM MDTSevere Thunderstorm WarningGLDCheyenne29 min
Jun 1, 7:38 PM MDTSpecial Weather StatementGLDCheyenne67 min
Jun 2, 5:28 PM MDTSpecial Weather StatementGLDCheyenne62 min

Nearby

Flash Flood Warnings in Colorado, 2019Every flash flood warning 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.