Alert archive / Nebraska / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 359

June 26, 2014Cheyenne County, Kit Carson County, Yuma County, Colorado; 4 counties in Kansas; 7 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 26, 2014, 9:39 PM MDT for Cheyenne County, Kit Carson County, Yuma County, Colorado; 4 counties in Kansas; 7 counties in Nebraska. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2014, 9:39 PM MDT (03:39 UTC)
Expired
Jun 27, 2014, 1:00 AM MDT
In force
3 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt

Counties Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Lincoln County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 44 km from the middle of the area, began a volume at 03:41 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 26, 9:44 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson61 min
Jun 26, 9:49 PM MDTSevere Thunderstorm WarningGLDYuma56 min
Jun 26, 10:02 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma58 min
Jun 26, 10:17 PM MDTSevere Thunderstorm WarningLBFChase28 min
Jun 26, 10:22 PM MDTSevere Thunderstorm WarningGLDYuma53 min
Jun 26, 10:46 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma59 min
Jun 26, 10:57 PM MDTSevere Thunderstorm WarningGLDYuma48 min
Jun 26, 11:17 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson43 min
Jun 26, 11:43 PM MDTSevere Thunderstorm WarningGLDDundy, Hitchcock47 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 3.7 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 2014-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2014-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
18 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
3908 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 8:00 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma90 min
Jun 26, 10:55 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Yuma95 min
Jun 27, 12:05 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 7 more115 min
Jun 27, 12:48 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Bent, Cheyenne, Elbert, Kiowa and 10 more6 hr
Jun 27, 2:19 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick86 min
Jun 27, 2:47 PM MDTTornado WatchSPCCheyenne, Kit Carson, Yuma6 hr
Jun 27, 5:06 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick84 min
Jun 27, 5:47 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Crowley, Elbert, Kiowa and 8 more58 min
Jun 27, 12:37 AM MDTMesoscale DiscussionSPCDecatur, Norton, Rawlins23 min
Jun 27, 3:57 PM MDTMesoscale DiscussionSPCBlaine, Brown, Cherry, Custer, Dawes, Garfield and 10 more93 min
Jun 27, 4:17 PM MDTSevere Thunderstorm WatchSPCArthur, Cherry, Garden, Grant, Hooker, Logan and 3 more6 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2014Severe Thunderstorm Watches in Kansas, 2014Severe Thunderstorm Watches in Colorado, 2014Every severe thunderstorm 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.