Alert archive / Kansas / Tornado Watches in 2001
Tornado Watch 98
The Storm Prediction Center issued this tornado watch at Apr 6, 2001, 4:15 PM CDT for 32 counties in Kansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2001, 4:15 PM CDT (21:15 UTC)
- Expired
- Apr 6, 2001, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Clark County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Norton County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS
The radar
The Dodge City radar (KDDC), 82 km from the middle of the area, began a volume at 21:19 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
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 4:35 PM CDT | Tornado Warning | DDC | Hamilton, Stanton | 25 min |
| Apr 6, 4:44 PM CDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 61 min |
| Apr 6, 5:06 PM CDT | Severe Thunderstorm Warning | DDC | Morton | 24 min |
| Apr 6, 5:15 PM CDT | Severe Thunderstorm Warning | DDC | Stanton | 45 min |
| Apr 6, 5:21 PM CDT | Severe Thunderstorm Warning | GLD | Logan, Wallace | 54 min |
| Apr 6, 5:24 PM CDT | Severe Thunderstorm Warning | GLD | Cheyenne, Rawlins, Sherman | 66 min |
| Apr 6, 5:26 PM CDT | Severe Thunderstorm Warning | DDC | Grant, Stevens | 64 min |
| Apr 6, 5:35 PM CDT | Severe Thunderstorm Warning | DDC | Kearny | 40 min |
| Apr 6, 5:35 PM CDT | Severe Thunderstorm Warning | GLD | Thomas | 55 min |
| Apr 6, 5:39 PM CDT | Tornado Warning | DDC | Grant, Stevens | 36 min |
| Apr 6, 5:40 PM CDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 50 min |
| Apr 6, 5:45 PM CDT | Tornado Warning | GLD | Thomas | 45 min |
| Apr 6, 5:58 PM CDT | Severe Thunderstorm Warning | DDC | Finney, Haskell, Seward | 47 min |
| Apr 6, 5:58 PM CDT | Severe Thunderstorm Warning | DDC | Scott | 47 min |
| Apr 6, 6:13 PM CDT | Severe Thunderstorm Warning | GLD | Logan | 62 min |
| Apr 6, 6:20 PM CDT | Severe Thunderstorm Warning | DDC | Gray, Meade | 85 min |
| Apr 6, 6:25 PM CDT | Severe Thunderstorm Warning | GLD | Rawlins, Thomas | 65 min |
| Apr 6, 6:29 PM CDT | Severe Thunderstorm Warning | GLD | Wichita | 31 min |
| Apr 6, 6:39 PM CDT | Tornado Warning | GLD | Thomas | 51 min |
| Apr 6, 6:49 PM CDT | Severe Thunderstorm Warning | GLD | Gove, Sheridan | 56 min |
| Apr 6, 6:49 PM CDT | Severe Thunderstorm Warning | GLD | Decatur | 56 min |
| Apr 6, 6:54 PM CDT | Severe Thunderstorm Warning | DDC | Clark, Ford, Hodgeman | 66 min |
| Apr 6, 6:54 PM CDT | Severe Thunderstorm Warning | DDC | Finney | 66 min |
| Apr 6, 6:56 PM CDT | Flash Flood Warning | GLD | Logan, Thomas | 2 hr |
| Apr 6, 7:10 PM CDT | Flash Flood Warning | GLD | Rawlins | 2 hr |
| Apr 6, 7:56 PM CDT | Severe Thunderstorm Warning | GLD | Graham, Norton | 64 min |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 9.3 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2143 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 062052 SEL8 SEL8 MKC WW 062044 KSZ000-070200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 98 STORM PREDICTION CENTER NORMAN OK 344 PM CDT FRI APR 6 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WESTERN KANSAS EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 415 PM UNTIL 900 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DAMAGING TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES EAST OF LIBERAL KANSAS TO 40 MILES NORTH NORTHWEST OF HILL CITY KANSAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 95...WW 96...WW 97... DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER FAR WESTERN KANSAS DURING THE NEXT 2 HOURS AS DYNAMIC FORCING ASSOCIATED WITH MID/UPPER LEVEL JET STREAK APPROACHES FROM THE SOUTHWEST. AIR MASS EAST OF THE DRY LINE IS MOIST AND UNSTABLE WITH DEW POINTS IN THE 60S AND SBCAPE OF 2500-3000 J/KG. 18Z DDC SOUNDING AND LATEST VAD/WIND PROFILER DATA INDICATE DEEP LAYER SHEAR AND HELICITY WILL SUPPORT SUPERCELLS...WITH POTENTIAL FOR A FEW STRONG TORNADOES. A SQUALL LINE MAY GRADUALLY DEVELOP DURING THE EVENING AND MOVE RAPIDLY NEWD WITH INCREASING CHANCE OFR WIDESPREAD DAMAGING WIND GUSTS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23050. ...WEISS ;370,1015 395,1012 395,0984 370,0992;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 2:30 PM CDT | Tornado Watch | SPC | Clay, Cloud, Ellis, Geary, Jackson, Jewell and 15 more | 7 hr |
Nearby
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.