Alert archive / Iowa / Tornado Warnings in 2024
Tornado Warning 13, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Apr 26, 2024, 6:56 PM CDT for Carroll County, Crawford County, Iowa. It was in force for 34 min. 1 report 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 26, 2024, 6:56 PM CDT (23:56 UTC)
- Expired
- Apr 26, 2024, 7:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Carroll County, IA, Crawford County, IA
The radar
The Des Moines radar (KDMX), 122 km from the middle of the area, began a volume at 23:58 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 26, 6:58 PM CDT | TORNADO | 2 W Manilla, IA | Storm chaser shared a picture of a tornado just west of Manilla. |
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 26, 3:47 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.9 hours before the alert went out and 125 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
- 565 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 518 m²/s²
- 0-3 km storm-relative helicity
- 707 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
815
WFUS53 KDMX 262356 RRA
TORDMX
IAC027-047-270030-
/O.NEW.KDMX.TO.W.0013.240426T2356Z-240427T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
656 PM CDT Fri Apr 26 2024
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Southeastern Crawford County in west central Iowa...
West central Carroll County in west central Iowa...
* Until 730 PM CDT.
* At 656 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Manilla, or 10 miles south of Denison, moving
northeast at 45 mph.
HAZARD...Tornado and quarter size hail.
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...
Manilla and Aspinwall around 700 PM CDT.
Westside and Halbur around 715 PM CDT.
Arcadia around 720 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Halbur, Arcadia, Aspinwall, Westside, Manilla, and Swan Lake 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.
&&
LAT...LON 4212 9509 4204 9485 4186 9520 4186 9535
4187 9536
TIME...MOT...LOC 2356Z 230DEG 38KT 4188 9528
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
KCM3 follow-up statements
179
WWUS53 KDMX 262358
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
658 PM CDT Fri Apr 26 2024
IAC027-047-270030-
/O.CON.KDMX.TO.W.0013.000000T0000Z-240427T0030Z/
Crawford IA-Carroll IA-
658 PM CDT Fri Apr 26 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN CRAWFORD AND WEST CENTRAL CARROLL COUNTIES...
At 658 PM CDT, a confirmed tornado was located over Manilla, or 9
miles southeast of Denison, moving northeast at 45 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Aspinwall around 705 PM CDT.
Westside around 715 PM CDT.
Arcadia and Halbur around 720 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Halbur, Arcadia, Aspinwall, Westside, Manilla, and Swan Lake State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4212 9509 4204 9485 4186 9520 4186 9535
4187 9536
TIME...MOT...LOC 2358Z 230DEG 38KT 4189 9526
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
KCM319
WWUS53 KDMX 270012
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
712 PM CDT Fri Apr 26 2024
IAC027-047-270030-
/O.CON.KDMX.TO.W.0013.000000T0000Z-240427T0030Z/
Crawford IA-Carroll IA-
712 PM CDT Fri Apr 26 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN CRAWFORD AND WEST CENTRAL CARROLL COUNTIES...
At 711 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Vail, or 10 miles east of Denison, moving northeast
at 40 mph. Additional tornado circulations possible further south.
HAZARD...Tornado and quarter size hail.
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.
Locations impacted include...
Arcadia, Westside, Halbur, and Aspinwall.
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 4205 9487 4189 9515 4188 9516 4197 9525
4212 9509
TIME...MOT...LOC 0011Z 216DEG 36KT 4201 9515
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
KCM855
WWUS53 KDMX 270027 RRA
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
727 PM CDT Fri Apr 26 2024
IAC027-047-270037-
/O.EXP.KDMX.TO.W.0013.000000T0000Z-240427T0030Z/
Crawford IA-Carroll IA-
727 PM CDT Fri Apr 26 2024
...THE TORNADO WARNING FOR SOUTHEASTERN CRAWFORD AND WEST CENTRAL
CARROLL COUNTIES WILL EXPIRE AT 730 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 PM CDT for west central
Iowa.
LAT...LON 4205 9487 4189 9515 4188 9516 4197 9525
4212 9509
TIME...MOT...LOC 0027Z 230DEG 38KT 4211 9498
$$
KCMThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 12:32 PM CDT | Special Weather Statement | DMX | Audubon, Carroll | 43 min |
| Apr 26, 12:48 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 23 min |
| Apr 26, 6:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 38 min |
| Apr 26, 6:15 PM CDT | Tornado Warning | DMX | Adams, Taylor | 45 min |
| Apr 26, 6:16 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 44 min |
| Apr 26, 6:21 PM CDT | Tornado Warning | DMX | Adams, Taylor | 39 min |
| Apr 26, 6:43 PM CDT | Tornado Warning | DMX | Crawford | 47 min |
| Apr 26, 6:54 PM CDT | Tornado Warning | DMX | Adair, Adams, Union | 51 min |
| Apr 26, 6:56 PM CDT | Tornado Warning | DMX | Adams, Ringgold, Taylor, Union | 49 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.