Alert archive / Nebraska / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 626
The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 2003, 6:15 PM CDT for 8 counties in Kansas; 29 counties in Nebraska. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2003, 6:15 PM CDT (23:15 UTC)
- Expired
- Jul 4, 2003, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Decatur County, KS, Graham County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Sheridan County, KS, Smith County, KS, Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Brown County, NE, Buffalo County, NE, Custer County, NE, Dawson County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Kearney County, NE, Knox County, NE, Loup County, NE, Nance County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE
The radar
The Grand Island radar (KUEX), 103 km from the middle of the area, began a volume at 23:18 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 6:39 PM CDT | Severe Thunderstorm Warning | LBF | Blaine, Custer | 66 min |
| Jul 3, 7:19 PM CDT | Severe Thunderstorm Warning | LBF | Brown | 56 min |
| Jul 3, 7:42 PM CDT | Severe Thunderstorm Warning | LBF | Rock | 63 min |
| Jul 3, 8:27 PM CDT | Severe Thunderstorm Warning | GLD | Norton | 48 min |
| Jul 3, 8:28 PM CDT | Severe Thunderstorm Warning | GLD | Norton | 47 min |
| Jul 3, 9:15 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 60 min |
| Jul 3, 9:18 PM CDT | Severe Thunderstorm Warning | GID | Phelps | 42 min |
| Jul 3, 9:22 PM CDT | Severe Thunderstorm Warning | GLD | Decatur | 38 min |
| Jul 3, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Pierce | 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, 11.3 hours before the alert went out and 101 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
- 953 J/kg
- Mixed-layer CIN
- -365 J/kg
- Mixed-layer LCL
- 2329 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 61 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 |
|---|---|---|---|---|
| Jul 3, 3:37 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Rawlins, Sherman | 53 min |
| Jul 3, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Rawlins, Sherman, Thomas | 5 hr |
| Jul 3, 5:35 PM CDT | Mesoscale Discussion | SPC | Jewell, Norton, Phillips, Republic, Smith | 55 min |
Nearby
Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Kansas, 2003Every severe thunderstorm watch in 2003
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.