Alert archive / Iowa / Tornado Watches in 2026
Tornado Watch 19
The Storm Prediction Center issued this tornado watch at Mar 6, 2026, 8:18 PM CST for 36 counties in Iowa; 4 counties in Kansas; 24 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 6, 2026, 8:18 PM CST (02:18 UTC)
- Expired
- Mar 7, 2026, 2:34 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 64 counties
Appanoose County, IA, Benton County, IA, Black Hawk County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Davis County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Grundy County, IA, Hardin County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Muscatine County, IA, Poweshiek County, IA, Scott County, IA, Tama County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Wayne County, IA, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Howard County, MO, Jackson County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Schuyler County, MO, Scotland County, MO, Sullivan County, MO
The radar
The Des Moines radar (KDMX), 139 km from the middle of the area, began a volume at 02:19 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:01 PM CST | Severe Thunderstorm Warning | EAX | Cooper, Howard, Pettis, Saline | 29 min |
| Mar 6, 9:29 PM CST | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 61 min |
| Mar 6, 10:44 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 46 min |
| Mar 6, 11:23 PM CST | Severe Thunderstorm Warning | EAX | Buchanan, Clay, Clinton, Platte | 37 min |
| Mar 6, 11:26 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 34 min |
| Mar 6, 11:35 PM CST | Tornado Warning | EAX | Johnson, Wyandotte | 25 min |
| Mar 6, 11:50 PM CST | Severe Thunderstorm Warning | EAX | Wyandotte | 40 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 2.3 hours before the alert went out and 165 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
- 1025 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 7:12 PM CST | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more | 2 hr |
| Mar 6, 9:43 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Clarke, Davis and 24 more | 2 hr |
| Mar 6, 7:43 PM CST | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Labette | 92 min |
| Mar 6, 8:42 PM CST | Mesoscale Discussion | SPC | Butler, Chase, Coffey, Cowley, Elk, Greenwood and 6 more | 93 min |
| Mar 6, 10:08 PM CST | Mesoscale Discussion | SPC | Callaway, Camden, Cole, Crawford, Dallas, Dent and 14 more | 67 min |
| Mar 6, 10:28 PM CST | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Crawford, Franklin, Gasconade and 12 more | 5 hr |
| Mar 7, 2:44 AM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Howell, Iron and 12 more | 2 hr |
| Mar 7, 5:40 AM CST | Mesoscale Discussion | SPC | Cape Girardeau, Mississippi, Perry, Scott, Stoddard | 2 hr |
| Mar 7, 7:53 AM CST | Severe Thunderstorm Watch | SPC | Dunklin, Pemiscot | 8 hr |
Nearby
Tornado Watches in Iowa, 2026Tornado Watches in Missouri, 2026Tornado Watches in Kansas, 2026Every tornado watch in 2026
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.