Alert archive / Iowa / Tornado Warnings in 2021
Tornado Warning 39, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Dec 15, 2021, 5:10 PM CST for Carroll County, Crawford County, Iowa. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 15, 2021, 5:10 PM CST (23:10 UTC)
- Expired
- Dec 15, 2021, 5:45 PM CST
- In force
- 35 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Carroll County, IA, Crawford County, IA
The radar
The Des Moines radar (KDMX), 111 km from the middle of the area, began a volume at 23:12 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 15, 1:23 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.2 hours before the alert went out and 142 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
- 2165 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 346 m²/s²
- 0-3 km storm-relative helicity
- 384 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
647
WFUS53 KDMX 152310
TORDMX
IAC027-047-152345-
/O.NEW.KDMX.TO.W.0039.211215T2310Z-211215T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
510 PM CST Wed Dec 15 2021
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Southeastern Crawford County in west central Iowa...
Western Carroll County in west central Iowa...
* Until 545 PM CST.
* At 510 PM CST, a severe thunderstorm capable of producing a tornado
was located over Manning, or 13 miles southwest of Carroll, moving
northeast at 70 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Carroll around 525 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4221 9502 4221 9469 4186 9499 4187 9519
TIME...MOT...LOC 2310Z 206DEG 62KT 4192 9503
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Cogil1 follow-up statement
298
WWUS53 KDMX 152337
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
537 PM CST Wed Dec 15 2021
IAC027-047-152347-
/O.EXP.KDMX.TO.W.0039.000000T0000Z-211215T2345Z/
Crawford IA-Carroll IA-
537 PM CST Wed Dec 15 2021
...THE TORNADO WARNING FOR SOUTHEASTERN CRAWFORD AND WESTERN CARROLL
COUNTIES WILL EXPIRE AT 545 PM CST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 800 PM CST for west central
Iowa.
LAT...LON 4221 9502 4221 9469 4186 9499 4187 9519
TIME...MOT...LOC 2337Z 206DEG 62KT 4232 9477
$$
CogilThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 4:13 PM CST | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie, Ringgold and 2 more | 77 min |
| Dec 15, 4:16 PM CST | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 74 min |
| Dec 15, 4:37 PM CST | Tornado Warning | DMX | Cass | 23 min |
| Dec 15, 4:44 PM CST | Tornado Warning | DMX | Crawford | 36 min |
| Dec 15, 4:53 PM CST | Tornado Warning | DMX | Adair, Audubon, Cass, Guthrie | 33 min |
| Dec 15, 5:07 PM CST | Tornado Warning | DMX | Sac | 27 min |
| Dec 15, 5:10 PM CST | Severe Thunderstorm Warning | DMX | Adair, Audubon, Boone, Dallas, Greene, Guthrie and 4 more | 80 min |
| Dec 15, 5:14 PM CST | Tornado Warning | DMX | Audubon, Calhoun, Carroll, Greene, Guthrie | 31 min |
| Dec 15, 5:15 PM CST | Tornado Warning | DMX | Calhoun, Carroll, Crawford, Sac | 30 min |
| Dec 15, 5:18 PM CST | Tornado Warning | DMX | Adair, Boone, Dallas, Greene, Guthrie | 42 min |
| Dec 15, 5:19 PM CST | Severe Thunderstorm Warning | DMX | Boone, Calhoun, Carroll, Emmet, Greene, Humboldt and 5 more | 71 min |
| Dec 15, 5:22 PM CST | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 23 min |
| Dec 15, 5:22 PM CST | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Decatur, Madison, Ringgold and 3 more | 68 min |
| Dec 15, 5:36 PM CST | Tornado Warning | DMX | Calhoun, Humboldt, Kossuth, Palo Alto, Pocahontas | 24 min |
| Dec 15, 5:38 PM CST | Tornado Warning | DMX | Boone, Calhoun, Greene, Hamilton, Webster | 37 min |
| Dec 15, 5:45 PM CST | Tornado Warning | DMX | Calhoun, Pocahontas, Webster | 30 min |
| Dec 15, 5:52 PM CST | Severe Thunderstorm Warning | DMX | Boone, Franklin, Hamilton, Hancock, Hardin, Humboldt and 6 more | 53 min |
| Dec 15, 5:58 PM CST | Tornado Warning | DMX | Hancock, Humboldt, Kossuth, Palo Alto, Pocahontas | 32 min |
Nearby
Tornado Warnings in Iowa, 2021Every tornado warning in 2021Tornadoes in 2021
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.