Alert archive / Nebraska / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 164

May 8, 20045 counties in Kansas; 20 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2004, 4:50 PM CDT for 5 counties in Kansas; 20 counties in Nebraska. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: May 8, 2004, 4:50 PM CDT (21:50 UTC)
Expired: May 8, 2004, 9:00 PM CDT
In force: 4 hr
Issued by: the Storm Prediction Center

All 25 counties

Decatur County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Butler County, NE, Clay County, NE, Dawson County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Phelps County, NE, Polk County, NE, Red Willow County, NE, Sherman County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 103 km from the middle of the area, began a volume at 21:49 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 8, 5:51 PM CDT	Severe Thunderstorm Warning	GID	Dawson	39 min
May 8, 6:38 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	52 min
May 8, 6:50 PM CDT	Severe Thunderstorm Warning	GID	Howard	40 min
May 8, 7:35 PM CDT	Severe Thunderstorm Warning	GID	Kearney	40 min
May 8, 7:55 PM CDT	Tornado Warning	OAX	Butler	50 min
May 8, 8:31 PM CDT	Severe Thunderstorm Warning	OAX	Butler	19 min
May 8, 8:41 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Harlan	49 min
May 8, 8:52 PM CDT	Severe Thunderstorm Warning	GLD	Norton	53 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.8 hours before the alert went out and 127 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: 41 J/kg
Mixed-layer CIN: -595 J/kg
Mixed-layer LCL: 2890 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 53 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.

Issued	Product	Office	Counties	Lasted
May 7, 9:53 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Burt, Cedar, Colfax, Cuming and 10 more	97 min
May 7, 10:20 PM CDT	Severe Thunderstorm Watch	SPC	Antelope, Boone, Burt, Cedar, Colfax, Cuming and 9 more	6 hr
May 8, 2:27 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Buffalo, Burt, Butler, Cedar and 33 more	3 hr
May 8, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	Antelope, Boone, Burt, Cedar, Colfax, Cuming and 17 more	5 hr
May 8, 5:45 PM CDT	Mesoscale Discussion	SPC	Boone, Burt, Butler, Cass, Colfax, Cuming and 20 more	2 hr
May 8, 6:56 PM CDT	Mesoscale Discussion	SPC	Adams, Buffalo, Clay, Hall, Hamilton, Howard and 5 more	2 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2004 Severe Thunderstorm Watches in Kansas, 2004 Every severe thunderstorm watch in 2004

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.