Alert archive / Iowa / Tornado Warnings in 2024
Tornado Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Apr 16, 2024, 11:09 AM CDT for Boone County, Dallas County, Iowa. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 16, 2024, 11:09 AM CDT (16:09 UTC)
- Expired
- Apr 16, 2024, 11:45 AM CDT
- In force
- 36 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Boone County, IA, Dallas County, IA
The radar
The Des Moines radar (KDMX), 22 km from the middle of the area, began a volume at 16:13 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 11:10 AM CDT | TORNADO | 2 E Minburn, IA | Outbuilding sheet metal scattered in fields. |
| Apr 16, 11:10 AM CDT | TORNADO | 2 E Minburn, IA | Outbuilding sheet metal scattered in fields. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 10:22 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 4.2 hours before the alert went out and 208 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
- 852 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
The text
As transmitted.
638
WFUS53 KDMX 161609
TORDMX
IAC015-049-161645-
/O.NEW.KDMX.TO.W.0002.240416T1609Z-240416T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
1109 AM CDT Tue Apr 16 2024
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Southern Boone County in central Iowa...
Northeastern Dallas County in central Iowa...
* Until 1145 AM CDT.
* At 1108 AM CDT, a severe thunderstorm capable of producing a
tornado was located over Minburn, or 8 miles southeast of Perry,
moving north at 55 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...
Woodward and Bouton around 1115 AM CDT.
Ledges State Park around 1120 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Minburn, Bouton, Luther, and Ledges State Park.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4166 9392 4170 9411 4204 9410 4201 9375
TIME...MOT...LOC 1608Z 191DEG 49KT 4175 9399
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Fowle3 follow-up statements
640
WWUS53 KDMX 161611
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
1111 AM CDT Tue Apr 16 2024
IAC015-049-161645-
/O.CON.KDMX.TO.W.0002.000000T0000Z-240416T1645Z/
Boone IA-Dallas IA-
1111 AM CDT Tue Apr 16 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR SOUTHERN
BOONE AND NORTHEASTERN DALLAS COUNTIES...
At 1111 AM CDT, a confirmed tornado was located over Minburn, or 6
miles southeast of Perry, moving north at 50 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Woodward and Bouton around 1115 AM CDT.
Ledges State Park around 1125 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Minburn, Bouton, Luther, and Ledges State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4167 9391 4174 9411 4204 9410 4201 9375
TIME...MOT...LOC 1611Z 189DEG 45KT 4178 9399
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
Fowle470
WWUS53 KDMX 161627
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
1127 AM CDT Tue Apr 16 2024
IAC015-049-161645-
/O.CON.KDMX.TO.W.0002.000000T0000Z-240416T1645Z/
Boone IA-Dallas IA-
1127 AM CDT Tue Apr 16 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR SOUTHERN
BOONE AND NORTHEASTERN DALLAS COUNTIES...
At 1126 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Ledges State Park, or 7 miles southwest of Boone,
moving north at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation. This storm produced a tornadic
debris signature earlier, but the feature has dissipated.
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...
Ledges State Park around 1130 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Luther, Bouton, and Ledges State Park.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4177 9386 4189 9411 4204 9410 4201 9375
TIME...MOT...LOC 1626Z 191DEG 45KT 4195 9394
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Fowle062 WWUS53 KDMX 161649 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 1149 AM CDT Tue Apr 16 2024 IAC015-049-161658- /O.EXP.KDMX.TO.W.0002.000000T0000Z-240416T1645Z/ Boone IA-Dallas IA- 1149 AM CDT Tue Apr 16 2024 ...THE TORNADO WARNING FOR SOUTHERN BOONE AND NORTHEASTERN DALLAS COUNTIES HAS EXPIRED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been allowed to expire. A Tornado Watch remains in effect until 600 PM CDT for central Iowa. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Des Moines. Remember, a Severe Thunderstorm Warning still remains in effect for portions of central Iowa. LAT...LON 4177 9386 4189 9411 4204 9410 4201 9375 TIME...MOT...LOC 1648Z 191DEG 49KT 4223 9387 $$ Fowle
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 3:53 AM CDT | Special Weather Statement | DMX | Sac | 22 min |
| Apr 16, 5:11 AM CDT | Special Weather Statement | DMX | Emmet, Palo Alto, Pocahontas | 49 min |
| Apr 16, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 57 min |
| Apr 16, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Franklin, Hamilton, Hardin, Humboldt, Marshall and 4 more | 64 min |
| Apr 16, 11:53 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wapello | 37 min |
| Apr 16, 12:18 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 45 min |
| Apr 16, 1:02 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Monroe, Wayne | 46 min |
| Apr 16, 1:35 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 40 min |
| Apr 16, 1:38 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe, Wapello, Wayne | 23 min |
| Apr 16, 1:58 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Mahaska, Monroe, Poweshiek, Wapello | 47 min |
| Apr 16, 2:05 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 40 min |
| Apr 16, 2:25 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 35 min |
| Apr 16, 2:36 PM CDT | Tornado Warning | DMX | Calhoun, Humboldt, Pocahontas | 39 min |
| Apr 16, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 33 min |
| Apr 16, 2:54 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 51 min |
| Apr 16, 3:11 PM CDT | Tornado Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 49 min |
| Apr 16, 3:48 PM CDT | Tornado Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 42 min |
| Apr 16, 5:00 PM CDT | Tornado Warning | DMX | Emmet, Kossuth, Palo Alto | 45 min |
Nearby
Tornado Warnings in Iowa, 2024Every tornado warning in 2024Tornadoes in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.