Alert archive / Missouri / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 237
The Storm Prediction Center issued this severe thunderstorm watch at May 6, 2002, 2:00 AM CDT for Miami County, Kansas; 26 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 6, 2002, 2:00 AM CDT (07:00 UTC)
- Expired
- May 6, 2002, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 27 counties
Miami County, KS, Adair County, MO, Boone County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Cooper County, MO, Daviess County, MO, Grundy County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Moniteau County, MO, Monroe County, MO, Pettis County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Shelby County, MO
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 2:16 AM CDT | Severe Thunderstorm Warning | EAX | Carroll | 44 min |
| May 6, 6:16 AM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 44 min |
| May 6, 6:31 AM CDT | Severe Thunderstorm Warning | EAX | Clay, Ray | 44 min |
| May 6, 6:42 AM CDT | Severe Thunderstorm Warning | EAX | Linn, Sullivan | 48 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 7.0 hours before the alert went out and 174 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
- 1298 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1520 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 060637 SEL7 SPC WW 060634 KSZ000-MOZ000-061200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 237 STORM PREDICTION CENTER NORMAN OK 134 AM CDT MON MAY 6 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTCENTRAL KANSAS NORTH AND WEST MISSOURI EFFECTIVE THIS MONDAY MORNING FROM 200 AM UNTIL 700 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHWEST OF KNOB NOSTER MISSOURI TO 10 MILES NORTHWEST OF KIRKSVILLE MISSOURI. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 234...WW 236... DISCUSSION...BOW ECHO CONTINUES RAPIDLY ESEWD ACROSS NWRN MO. WITH STRONG LOW LEVEL JET AND INSTABILITY AVAILABLE...WIND DAMAGE POTENTIAL WILL CONTINUE WITH THIS FEATURE FOR SEVERAL MORE HOURS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27040. ...HALES 401,0912 382,0924 382,0950 401,0935 WWUS20 KWNS 060637 SEL7 SPC WW 060634 KSZ000-MOZ000-061200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 237 STORM PREDICTION CENTER NORMAN OK 134 AM CDT MON MAY 6 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTCENTRAL KANSAS NORTH AND WEST MISSOURI EFFECTIVE THIS MONDAY MORNING FROM 200 AM UNTIL 700 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHWEST OF KNOB NOSTER MISSOURI TO 10 MILES NORTHWEST OF KIRKSVILLE MISSOURI. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 234...WW 236... DISCUSSION...BOW ECHO CONTINUES RAPIDLY ESEWD ACROSS NWRN MO. WITH STRONG LOW LEVEL JET AND INSTABILITY AVAILABLE...WIND DAMAGE POTENTIAL WILL CONTINUE WITH THIS FEATURE FOR SEVERAL MORE HOURS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27040. ...HALES 401,0912 382,0924 382,0950 401,0935
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Coffey, Doniphan, Douglas, Franklin and 8 more | 5 hr |
| May 6, 5:00 PM CDT | Tornado Watch | SPC | Allen, Anderson, Atchison, Barber, Barton, Brown and 47 more | 6 hr |
| May 6, 7:45 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 36 more | 4 hr |
| May 6, 10:45 AM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Camden, Cape Girardeau, Carter, Crawford, Dallas and 30 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Kansas, 2002Every severe thunderstorm watch in 2002
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.