Alert archive / Colorado / Severe Thunderstorm Watches in 2008

Severe Thunderstorm Watch 459

June 5, 200817 counties in Colorado; 13 counties in Kansas; 16 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 5, 2008, 4:33 AM MDT for 17 counties in Colorado; 13 counties in Kansas; 16 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 5, 2008, 4:33 AM MDT (10:33 UTC)
Expired: Jun 5, 2008, 11:00 AM MDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 50 kt

All 46 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Custer County, CO, Huerfano County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Greeley County, KS, Hamilton County, KS, Logan County, KS, Morton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Arthur County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 64 km from the middle of the area, began a volume at 10:33 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: 5%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 20%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 5, 4:38 AM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	67 min
Jun 5, 4:53 AM MDT	Severe Thunderstorm Warning	GLD	Yuma	67 min
Jun 5, 5:02 AM MDT	Severe Thunderstorm Warning	PUB	Crowley, El Paso, Pueblo	58 min
Jun 5, 5:13 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	21 min
Jun 5, 5:17 AM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson, Yuma	58 min
Jun 5, 5:20 AM MDT	Severe Thunderstorm Warning	LBF	Chase	55 min
Jun 5, 5:51 AM MDT	Flash Flood Warning	LBF	Chase	3 hr
Jun 5, 5:59 AM MDT	Tornado Warning	LBF	Chase, Hayes	46 min
Jun 5, 6:09 AM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	66 min
Jun 5, 6:35 AM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Keith, Lincoln, Perkins	55 min
Jun 5, 6:39 AM MDT	Severe Thunderstorm Warning	PUB	Custer, El Paso, Fremont, Huerfano, Pueblo	104 min
Jun 5, 6:41 AM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	34 min
Jun 5, 7:14 AM MDT	Flash Flood Warning	LBF	Perkins	4 hr
Jun 5, 7:24 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln	66 min
Jun 5, 7:25 AM MDT	Tornado Warning	BOU	Lincoln	50 min
Jun 5, 8:08 AM MDT	Tornado Warning	BOU	Lincoln	22 min
Jun 5, 8:11 AM MDT	Severe Thunderstorm Warning	PUB	Crowley	34 min
Jun 5, 8:17 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln, McPherson	43 min
Jun 5, 8:20 AM MDT	Tornado Warning	GLD	Cheyenne, Kit Carson	23 min
Jun 5, 8:35 AM MDT	Flash Flood Warning	LBF	Keith, Lincoln	3 hr
Jun 5, 8:56 AM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker, Logan, McPherson, Thomas	49 min
Jun 5, 10:07 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	25 min
Jun 5, 10:31 AM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	59 min
Jun 5, 10:50 AM MDT	Tornado Warning	PUB	Baca	43 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 (KDNR), launched 00:00Z, 10.6 hours before the alert went out and 133 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 709 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 5.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 6:55 PM MDT	Mesoscale Discussion	SPC	Adams, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more	65 min
Jun 4, 7:49 PM MDT	Tornado Watch	SPC	Kit Carson, Yuma	7 hr
Jun 5, 4:07 AM MDT	Mesoscale Discussion	SPC	Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 5 more	2 hr
Jun 5, 6:23 AM MDT	Mesoscale Discussion	SPC	Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 2 more	67 min
Jun 5, 10:08 AM MDT	Mesoscale Discussion	SPC	Baca, Bent, Cheyenne, Kiowa, Kit Carson, Otero and 3 more	67 min
Jun 4, 10:14 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Cloud, Decatur, Graham, Jewell, Mitchell and 11 more	2 hr
Jun 5, 9:35 AM MDT	Mesoscale Discussion	SPC	Brown, Doniphan, Jewell, Republic, Smith	85 min
Jun 5, 9:55 AM MDT	Tornado Watch PDS	SPC	Jewell, Mitchell, Osborne, Phillips, Rooks, Smith	8 hr
Jun 5, 10:13 AM MDT	Mesoscale Discussion	SPC	Barber, Barton, Clay, Cloud, Comanche, Dickinson and 27 more	92 min
Jun 5, 10:47 AM MDT	Tornado Watch PDS	SPC	Barber, Barton, Clay, Cloud, Comanche, Dickinson and 26 more	8 hr
Jun 5, 11:44 AM MDT	Mesoscale Discussion	SPC	Barber, Barton, Cloud, Comanche, Ellsworth, Harper and 18 more	91 min
Jun 5, 12:29 PM MDT	Severe Thunderstorm Watch	SPC	Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more	6 hr
Jun 5, 2:27 PM MDT	Mesoscale Discussion	SPC	Barber, Clay, Cloud, Dickinson, Ellsworth, Geary and 14 more	93 min
Jun 5, 3:38 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 30 more	37 min
Jun 5, 3:50 PM MDT	Tornado Watch PDS	SPC	Allen, Anderson, Atchison, Brown, Butler, Chase and 27 more	7 hr
Jun 5, 4:50 PM MDT	Tornado Watch PDS	SPC	Jewell	7 hr
Jun 5, 5:22 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Brown, Butler, Chase and 33 more	53 min
Jun 4, 8:33 PM MDT	Mesoscale Discussion	SPC	Burt, Washington	87 min
Jun 4, 10:56 PM MDT	Tornado Watch	SPC	Burt, Cuming, Dakota, Dixon, Dodge, Thurston and 1 more	5 hr
Jun 5, 2:06 AM MDT	Mesoscale Discussion	SPC	Cass, Douglas, Gage, Johnson, Lancaster, Nemaha and 3 more	84 min
Jun 5, 3:11 AM MDT	Mesoscale Discussion	SPC	Cass	94 min
Jun 5, 9:11 AM MDT	Mesoscale Discussion	SPC	Antelope, Blaine, Boone, Boyd, Brown, Cedar and 20 more	94 min
Jun 5, 2:09 PM MDT	Mesoscale Discussion	SPC	Adams, Antelope, Blaine, Boone, Brown, Buffalo and 21 more	2 hr
Jun 5, 4:10 PM MDT	Mesoscale Discussion	SPC	Burt, Cass, Cedar, Colfax, Cuming, Dakota and 10 more	95 min

Nearby

Severe Thunderstorm Watches in Colorado, 2008 Severe Thunderstorm Watches in Nebraska, 2008 Severe Thunderstorm Watches in Kansas, 2008 Every severe thunderstorm watch in 2008

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.