Alert archive / Kansas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 623
The Storm Prediction Center issued this severe thunderstorm watch at Jul 24, 2001, 11:30 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2001, 11:30 PM CDT (04:30 UTC)
- Expired
- Jul 25, 2001, 5:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 63 counties
Page County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Decatur County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Gove County, KS, Graham County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Leavenworth County, KS, Lincoln County, KS, Logan County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Rawlins County, KS, Republic County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Shawnee County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wabaunsee County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Harlan County, NE, Hitchcock County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Red Willow County, NE, Richardson County, NE, Saline County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 67 km from the middle of the area, began a volume at 04:31 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 25, 12:08 AM CDT | Severe Thunderstorm Warning | GLD | Gove, Sheridan | 52 min |
| Jul 25, 12:33 AM CDT | Severe Thunderstorm Warning | GLD | Norton | 57 min |
| Jul 25, 1:00 AM CDT | Severe Thunderstorm Warning | GLD | Graham | 45 min |
| Jul 25, 1:10 AM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt, Nodaway | 50 min |
| Jul 25, 1:26 AM CDT | Severe Thunderstorm Warning | GID | Phillips | 34 min |
| Jul 25, 1:33 AM CDT | Severe Thunderstorm Warning | GID | Smith | 42 min |
| Jul 25, 3:05 AM CDT | Severe Thunderstorm Warning | TOP | Republic | 25 min |
| Jul 25, 3:24 AM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 36 min |
| Jul 25, 3:41 AM CDT | Severe Thunderstorm Warning | TOP | Clay, Washington | 34 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.5 hours before the alert went out and 221 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
- 1071 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1605 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -48 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -1.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 19 more | 5 hr |
| Jul 25, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Wyandotte | 5 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Nebraska, 2001Severe Thunderstorm Watches in Missouri, 2001Every severe thunderstorm watch in 2001
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.