Alert archive / Kansas / Winter Storm Watches in 2017

Winter Storm Watch 2, NWS Goodland, KS

April 27, 20174 counties in Kansas; Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this winter storm watch at Apr 27, 2017, 2:15 PM MDT for 4 counties in Kansas; Cheyenne County, Kit Carson County, Colorado. It took effect at Apr 29, 2017, 6:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 27, 2017, 2:15 PM MDT (20:15 UTC)
In effect from
Apr 29, 2017, 6:00 AM MDT
Expired
Apr 28, 2017, 1:50 PM MDT
In force
Issued by
NWS Goodland, KS

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

The radar

The Goodland radar (KGLD), 58 km from the middle of the area, began a volume at 20:15 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 12:00Z, 8.3 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 12:00Z on 2017-04-27Temperature 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 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 12:00Z on 2017-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1354 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
76 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 winter storm 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 winter storm watch went out at Apr 27, 2:03 PM MDT, 12 minutes earlier.

Area forecast discussion, Apr 27, 2:03 PM MDT, 12 minutes before
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Hazardous weather outlook, Apr 27, 10:30 AM MDT, 3 hours 45 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1030 AM MDT Thu Apr 27 2017

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-281200-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
1030 AM MDT Thu Apr 27 2017 /1130 AM CDT Thu Apr 27 2017/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

Non severe thunderstorms are possible late this morning through the
evening as a weather disturbance moves across the area. The primary
threats will be outflow wind gusts to 50 mph, small hail and cloud
to ground lightning.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY...

Portions of the central high plains region will see freezing to near
freezing temperatures overnight and early each morning from Friday
morning through Monday morning.

There will be chances for accumulating snow from Friday night
through Sunday morning across the entire region. This could create
slick spots on area roadways and reduced visibilities for drivers.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 5:09 PM MDTSevere Thunderstorm WarningGLDSherman36 min
Apr 27, 5:26 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman, Wallace34 min
Apr 27, 5:29 PM MDTTornado Warning Tornado observedGLDSherman11 min
Apr 27, 5:50 PM MDTSevere Thunderstorm WarningGLDCheyenne, Greeley, Logan, Sherman, Wallace, Wichita22 min
Apr 27, 4:09 PM MDTSpecial Weather StatementGLDKit Carson51 min
Apr 27, 4:16 PM MDTSevere Thunderstorm WarningGLDKit Carson29 min
Apr 27, 4:18 PM MDTSevere Thunderstorm WarningGLDYuma11 min
Apr 27, 4:40 PM MDTSevere Thunderstorm WarningGLDKit Carson35 min

Nearby

Winter Storm Watches in Kansas, 2017Winter Storm Watches in Colorado, 2017Every winter storm 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.