Alert archive / Missouri / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 251
The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2000, 12:00 AM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2000, 12:00 AM CDT (05:00 UTC)
- Expired
- May 9, 2000, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Calhoun County, IL, Jersey County, IL, Monroe County, IL, Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Kay County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Washington County, OK
The radar
The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 05:03 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 12:04 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 46 min |
| May 9, 12:06 AM CDT | Severe Thunderstorm Warning | SGF | Camden, Laclede | 39 min |
| May 9, 12:55 AM CDT | Severe Thunderstorm Warning | SGF | Cherokee | 50 min |
| May 9, 1:01 AM CDT | Severe Thunderstorm Warning | LSX | Cole | 44 min |
| May 9, 1:30 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 45 min |
| May 9, 1:41 AM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 34 min |
| May 9, 1:49 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 41 min |
| May 9, 1:55 AM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 3 hr |
| May 9, 3:39 AM CDT | Flash Flood Warning | ICT | Labette, Montgomery | 4 hr |
| May 9, 3:45 AM CDT | Flash Flood Warning | SGF | Jasper, Newton | 4 hr |
| May 9, 4:42 AM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 3 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.0 hours before the alert went out and 105 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
- 1344 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1790 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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 |
|---|---|---|---|---|
| May 8, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 5 hr |
| May 8, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Christian, Coles, Cook, DeWitt, Douglas and 19 more | 6 hr |
| May 9, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 19 more | 7 hr |
| May 9, 4:45 PM CDT | Tornado Watch | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2000Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Oklahoma, 2000Every severe thunderstorm watch in 2000
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.