Alert archive / Nebraska / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 709
The Storm Prediction Center issued this severe thunderstorm watch at Aug 9, 2005, 3:45 PM MDT for Kit Carson County, Phillips County, Yuma County, Colorado; Cheyenne County, Rawlins County, Sherman County, Kansas; 19 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2005, 3:45 PM MDT (21:45 UTC)
- Expired
- Aug 9, 2005, 8:24 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Kit Carson County, CO, Phillips County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Buffalo County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hayes County, NE, Hitchcock County, NE, Lincoln County, NE, Loup County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Valley County, NE
The radar
The Goodland radar (KGLD), 149 km from the middle of the area, began a volume at 21:46 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:51 PM MDT | Severe Thunderstorm Warning | GID | Greeley, Valley | 54 min |
| Aug 9, 3:58 PM MDT | Severe Thunderstorm Warning | LBF | Garfield | 46 min |
| Aug 9, 4:00 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 53 min |
| Aug 9, 4:00 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 60 min |
| Aug 9, 4:25 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 35 min |
| Aug 9, 4:41 PM MDT | Severe Thunderstorm Warning | GID | Valley | 29 min |
| Aug 9, 5:00 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 30 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 68 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.
- Mixed-layer CAPE
- 741 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 2063 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -105 m²/s²
- 0-3 km storm-relative helicity
- -57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:56 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Yuma | 94 min |
| Aug 9, 10:25 AM MDT | Mesoscale Discussion | SPC | Antelope, Boone, Boyd, Cedar, Dakota, Dixon and 10 more | 95 min |
| Aug 9, 1:20 PM MDT | Severe Thunderstorm Watch | SPC | Boone, Burt, Colfax, Cuming, Dakota, Dixon and 7 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2005Severe Thunderstorm Watches in Colorado, 2005Severe Thunderstorm Watches in Kansas, 2005Every severe thunderstorm watch in 2005
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.