Alert archive / Kansas / Flash Flood Watches in 2017

Flash Flood Watch 3, NWS Goodland, KS

July 30, 2017Greeley County, Wallace County, Wichita County, Kansas; Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this flash flood watch at Jul 30, 2017, 2:33 PM MDT for Greeley County, Wallace County, Wichita County, Kansas; Cheyenne County, Kit Carson County, Colorado. It took effect at Jul 30, 2017, 4:00 PM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2017, 2:33 PM MDT (20:33 UTC)
In effect from
Jul 30, 2017, 4:00 PM MDT
Expired
Jul 31, 2017, 3:29 AM MDT
In force
11 hr
Issued by
NWS Goodland, KS
Flood severity
None

Counties Cheyenne County, CO, Kit Carson County, CO, Greeley County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 20:34 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

Dodge City, (KDDC), launched 12:00Z, 8.6 hours before the alert went out and 218 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, Dodge City, at 12:00Z on 2017-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dodge City, at 12:00Z on 2017-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1413 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
164 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 Jul 30, 11:16 AM MDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jul 30, 11:16 AM MDT, 3 hours 17 minutes before
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Hazardous weather outlook, Jul 30, 11:05 AM MDT, 3 hours 28 minutes before
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 6:51 PM MDTSpecial Weather StatementGLDYuma24 min
Jul 29, 11:53 PM MDTFlash Flood WarningGLDCheyenne4 hr
Jul 30, 1:06 AM MDTFlash Flood WarningGLDRed Willow3 hr

Nearby

Flash Flood Watches in Kansas, 2017Flash Flood Watches in Colorado, 2017Every flash flood watch in 2017

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.