Alert archive / Missouri / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 14
The Storm Prediction Center issued this severe thunderstorm watch at Mar 8, 2002, 11:30 PM CST for 20 counties in Illinois; 16 counties in Iowa; 27 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 2002, 11:30 PM CST (05:30 UTC)
- Expired
- Mar 9, 2002, 4:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 63 counties
Cedar County, IA, Clinton County, IA, Davis County, IA, Des Moines County, IA, Henry County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Adams County, IL, Brown County, IL, Bureau County, IL, Carroll County, IL, Fulton County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Knox County, IL, Lee County, IL, McDonough County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Pike County, IL, Rock Island County, IL, Schuyler County, IL, Stark County, IL, Warren County, IL, Whiteside County, IL, Adair County, MO, Audrain County, MO, Boone County, MO, Callaway County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Cooper County, MO, Howard County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Macon County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Pettis County, MO, Pike County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 186 km from the middle of the area, began a volume at 05:30 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
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 12:03 AM CST | Severe Thunderstorm Warning | EAX | Linn | 42 min |
| Mar 9, 12:07 AM CST | Severe Thunderstorm Warning | EAX | Carroll, Chariton | 53 min |
| Mar 9, 12:20 AM CST | Severe Thunderstorm Warning | DMX | Davis, Wapello | 40 min |
| Mar 9, 12:29 AM CST | Severe Thunderstorm Warning | EAX | Adair, Macon | 61 min |
| Mar 9, 12:37 AM CST | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Keokuk, Van Buren | 68 min |
| Mar 9, 12:37 AM CST | Severe Thunderstorm Warning | EAX | Pettis, Saline | 53 min |
| Mar 9, 12:43 AM CST | Severe Thunderstorm Warning | EAX | Schuyler | 47 min |
| Mar 9, 12:58 AM CST | Severe Thunderstorm Warning | LSX | Knox | 47 min |
| Mar 9, 1:15 AM CST | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 45 min |
| Mar 9, 1:20 AM CST | Severe Thunderstorm Warning | DVN | Henry, Johnson, Lee, Washington | 70 min |
| Mar 9, 1:31 AM CST | Severe Thunderstorm Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 285 days |
| Mar 9, 1:31 AM CST | Severe Thunderstorm Warning | LSX | Moniteau | 44 min |
| Mar 9, 1:43 AM CST | Severe Thunderstorm Warning | DVN | Buchanan, Linn | 62 min |
| Mar 9, 2:35 AM CST | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 40 min |
| Mar 9, 2:50 AM CST | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 40 min |
| Mar 9, 2:55 AM CST | Severe Thunderstorm Warning | DVN | McDonough, Warren | 50 min |
| Mar 9, 3:05 AM CST | Severe Thunderstorm Warning | ILX | Knox | 40 min |
| Mar 9, 3:05 AM CST | Severe Thunderstorm Warning | DVN | Clinton | 40 min |
| Mar 9, 3:21 AM CST | Severe Thunderstorm Warning | DVN | Henry | 39 min |
| Mar 9, 3:41 AM CST | Severe Thunderstorm Warning | DVN | Whiteside | 34 min |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.5 hours before the alert went out and 228 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
- 184 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 11:45 PM CST | Severe Thunderstorm Watch | SPC | Monroe, Randolph | 4 hr |
| Mar 9, 4:00 AM CST | Severe Thunderstorm Watch | SPC | Boone, Bureau, Champaign, Cook, DeKalb, DeWitt and 33 more | 4 hr |
| Mar 8, 9:00 PM CST | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Buchanan, Caldwell, Cass, Clay and 17 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Illinois, 2002Severe Thunderstorm Watches in Iowa, 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; radar from the NEXRAD Level II archive.