Alert archive / Kansas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 818
The Storm Prediction Center issued this severe thunderstorm watch at Jul 31, 2003, 1:35 PM MDT for 5 counties in Colorado; 19 counties in Kansas; 19 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2003, 1:35 PM MDT (19:35 UTC)
- Expired
- Jul 31, 2003, 7:00 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Cloud County, KS, Decatur County, KS, Graham County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Rawlins County, KS, Republic County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Adams County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Kearney County, NE, Nuckolls County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Thayer County, NE, Webster County, NE
The radar
The Goodland radar (KGLD), 122 km from the middle of the area, began a volume at 19:32 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 |
|---|---|---|---|---|
| Jul 31, 1:59 PM MDT | Severe Thunderstorm Warning | TOP | Cloud | 46 min |
| Jul 31, 2:18 PM MDT | Severe Thunderstorm Warning | ICT | Lincoln | 57 min |
| Jul 31, 2:19 PM MDT | Severe Thunderstorm Warning | TOP | Ottawa | 41 min |
| Jul 31, 2:59 PM MDT | Severe Thunderstorm Warning | TOP | Ottawa | 46 min |
| Jul 31, 3:05 PM MDT | Severe Thunderstorm Warning | ICT | Lincoln | 55 min |
| Jul 31, 3:25 PM MDT | Severe Thunderstorm Warning | ICT | Saline | 65 min |
| Jul 31, 5:52 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 53 min |
| Jul 31, 6:44 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 46 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
Dodge City, (KDDC), launched 12:00Z, 7.6 hours before the alert went out and 303 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
- 485 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1867 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 1:04 PM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Coffey, Crawford, Franklin and 6 more | 2 hr |
| Jul 31, 1:16 PM MDT | Mesoscale Discussion | SPC | Clay, Cloud, Decatur, Ellis, Ellsworth, Graham and 12 more | 89 min |
| Jul 31, 3:36 PM MDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Finney, Gove and 16 more | 114 min |
| Jul 31, 3:45 PM MDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Barton, Butler, Chase, Chautauqua and 45 more | 5 hr |
| Jul 31, 3:45 PM MDT | Severe Thunderstorm Watch | SPC | Bourbon, Cherokee, Crawford, Linn | 5 hr |
| Jul 31, 3:26 AM MDT | Mesoscale Discussion | SPC | Antelope, Boone, Butler, Colfax, Cuming, Dodge and 20 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Colorado, 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.