Alert archive / Colorado / Flash Flood Warnings in 2024

Flash Flood Warning 11, NWS Goodland, KS

August 7, 2024Kit Carson County, Colorado

NWS Goodland, KS issued this flash flood warning at Aug 7, 2024, 7:35 PM MDT for 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
Aug 7, 2024, 7:35 PM MDT (01:35 UTC)
Expired
Aug 7, 2024, 10:45 PM MDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 01:39 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 00:00Z, 1.6 hours before the alert went out and 265 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 00:00Z on 2024-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1475 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 00:00Z on 2024-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1475 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1621 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.5

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 Aug 7, 4:50 PM MDT, 2 hours 45 minutes earlier.

Area forecast discussion, Aug 7, 4:50 PM MDT, 2 hours 45 minutes before
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Hazardous weather outlook, Aug 7, 6:25 PM MDT, 1 hour 10 minutes before
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In the hours before

Special weather statement, Aug 7, 4:11 PM MDT, 3 hours 24 minutes before
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Special weather statement, Aug 7, 4:31 PM MDT, 3 hours 4 minutes before
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Special weather statement, Aug 7, 6:22 PM MDT, 1 hour 13 minutes before
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Special weather statement, Aug 7, 6:44 PM MDT, 51 minutes before
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Special weather statement, Aug 7, 7:02 PM MDT, 33 minutes before
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Special weather statement, Aug 7, 7:04 PM MDT, 31 minutes before
Special Weather Statement
National Weather Service Goodland KS
704 PM MDT Wed Aug 7 2024

COZ090-091-080130-
Kit Carson County CO-Yuma County CO-
704 PM MDT Wed Aug 7 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN YUMA AND
NORTHEASTERN KIT CARSON COUNTIES THROUGH 730 PM MDT...

At 704 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles southwest of Bonny Reservoir, moving east at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

This storm will remain over mainly rural areas of southeastern Yuma
and northeastern Kit Carson Counties, including the following
locations... Hale.

This includes Highway 385 between mile markers 196 and 211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Goodland.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
northeastern and east central Colorado...and northwestern Kansas.

&&

LAT...LON 3960 10242 3966 10205 3939 10205 3942 10240
TIME...MOT...LOC 0104Z 265DEG 21KT 3952 10231

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Trigg

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 9:23 PM MDTSpecial Weather StatementGLDSherman22 min
Aug 7, 10:03 PM MDTSpecial Weather StatementGLDLogan27 min
Aug 7, 10:30 PM MDTSpecial Weather StatementGLDLogan30 min
Aug 7, 10:50 PM MDTSpecial Weather StatementGLDSheridan25 min
Aug 7, 10:55 PM MDTSpecial Weather StatementGLDWichita35 min
Aug 7, 11:16 PM MDTSpecial Weather StatementGLDGove, Sheridan29 min
Aug 7, 11:44 PM MDTSpecial Weather StatementGLDGraham61 min
Aug 8, 12:51 AM MDTSpecial Weather StatementGLDGraham24 min
Aug 7, 6:22 PM MDTSpecial Weather StatementGLDKit Carson23 min
Aug 7, 6:23 PM MDTFlash Flood WarningGLDKit Carson3 hr
Aug 7, 6:44 PM MDTSpecial Weather StatementGLDKit Carson16 min
Aug 7, 7:02 PM MDTSpecial Weather StatementGLDKit Carson28 min
Aug 7, 7:04 PM MDTSpecial Weather StatementGLDKit Carson26 min
Aug 7, 7:26 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson73 min

Nearby

Flash Flood Warnings in Colorado, 2024Every flash flood warning in 2024

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.