Alert archive / Iowa / Tornado Warnings in 2021
Tornado Warning 12, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 14, 2021, 4:29 PM CDT for Hamilton County, Hardin County, Iowa. It was in force for 31 min. 5 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
- Jul 14, 2021, 4:29 PM CDT (21:29 UTC)
- Expired
- Jul 14, 2021, 5:00 PM CDT
- In force
- 31 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Hamilton County, IA, Hardin County, IA
The radar
The Des Moines radar (KDMX), 65 km from the middle of the area, began a volume at 21:31 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 |
|---|---|---|---|
| Jul 14, 4:33 PM CDT | TORNADO | 2 N Jewell, IA | DEBRIS REPORTED TORNADO NEAR HIGHWAY 69. |
| Jul 14, 4:33 PM CDT | TORNADO | 2 W Jewell, IA | REPORTED BY SHERIFFS OFFICE. TORNADO WAS HEADING EAST. |
| Jul 14, 4:37 PM CDT | TORNADO | 2 N Jewell, IA | LAW ENFORCEMENT REPORTS A TORNADO AT 310TH ST AND HWY 69 NORTH OF JEWELL. TORNADO WENT UP BRIEFLY BUT TOUCHED BACK DOWN AND HAS DEBRIS. IT IS HEADING EAST. |
| Jul 14, 4:40 PM CDT | TORNADO | 1 Ne Jewell, IA | TRAINED SPOTTER REPORTED A TORNADO STILL ON THE GROUND ABOUT A MILE NORTHEAST OF JEWELL. SOME DAMAGE SEEN BUT UNKNOWN WHAT WAS HIT. SPOTTER CONFIRMED IT DID GO NORTH OF TOWN. |
| Jul 14, 5:09 PM CDT | TORNADO | 5 Sse Radcliffe, IA | CONFIRMED TORNADO AND DAMAGE IN GARDEN CITY. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Jul 14, 2:35 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.5 hours before the alert went out and 260 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
- 967 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1201 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted.
570
WFUS53 KDMX 142129 RRA
TORDMX
IAC079-083-142200-
/O.NEW.KDMX.TO.W.0012.210714T2129Z-210714T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
429 PM CDT Wed Jul 14 2021
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Southwestern Hardin County in central Iowa...
Southeastern Hamilton County in central Iowa...
* Until 500 PM CDT.
* At 429 PM CDT, a confirmed tornado was located near Jewell
Junction, or 16 miles southeast of Webster City, moving northeast
at 35 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters 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 tornadic thunderstorm will remain over mainly rural areas of
southwestern Hardin and southeastern Hamilton Counties, including
the following locations... Ellsworth, Buckeye, Radcliffe, Garden
City, Hubbard, Drake Airport and Randall.
This includes Interstate 35 between mile markers 127 and 138.
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 4221 9364 4233 9370 4248 9336 4226 9328
TIME...MOT...LOC 2129Z 231DEG 30KT 4228 9359
TORNADO...OBSERVED
HAIL...<.75IN
$$
Fowle1 follow-up statement
554
WWUS53 KDMX 142145
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
445 PM CDT Wed Jul 14 2021
IAC079-083-142200-
/O.CON.KDMX.TO.W.0012.000000T0000Z-210714T2200Z/
Hardin IA-Hamilton IA-
445 PM CDT Wed Jul 14 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHWESTERN HARDIN AND EAST CENTRAL HAMILTON COUNTIES...
At 443 PM CDT, a confirmed tornado was located near Jewell Junction,
or 16 miles southeast of Webster City, moving east at 30 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado. This storm continues to
produces intermittent touchdowns. Damage has been
reported.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Hubbard, Radcliffe, Ellsworth, Buckeye and Drake Airport.
This includes Interstate 35 between mile markers 133 and 138.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4230 9359 4237 9361 4248 9336 4226 9328
TIME...MOT...LOC 2143Z 260DEG 25KT 4234 9355
TORNADO...OBSERVED
HAIL...<.75IN
$$
FowleThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:17 AM CDT | Special Weather Statement | DMX | Emmet, Humboldt, Kossuth, Palo Alto, Pocahontas | 58 min |
| Jul 14, 8:08 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 52 min |
| Jul 14, 8:24 AM CDT | Special Weather Statement | DMX | Butler, Cerro Gordo, Franklin, Hancock, Winnebago, Worth | 66 min |
| Jul 14, 8:39 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin, Grundy, Hancock, Hardin and 1 more | 66 min |
| Jul 14, 8:43 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 62 min |
| Jul 14, 8:49 AM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Story, Tama | 56 min |
| Jul 14, 9:40 AM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Tama | 65 min |
| Jul 14, 3:55 PM CDT | Tornado Warning | DMX | Calhoun, Carroll, Greene | 35 min |
| Jul 14, 4:04 PM CDT | Tornado Warning | DMX | Boone, Hamilton, Story, Webster | 41 min |
| Jul 14, 4:23 PM CDT | Tornado Warning | DMX | Franklin, Hamilton, Hardin, Wright | 37 min |
| Jul 14, 4:29 PM CDT | Tornado Warning | DMX | Calhoun, Greene, Webster | 31 min |
| Jul 14, 4:30 PM CDT | Tornado Warning | DMX | Butler | 30 min |
| Jul 14, 4:35 PM CDT | Tornado Warning | DMX | Franklin, Hardin | 40 min |
| Jul 14, 4:53 PM CDT | Tornado Warning | DMX | Bremer, Butler | 37 min |
| Jul 14, 4:56 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 25 min |
| Jul 14, 5:00 PM CDT | Tornado Warning | DMX | Hamilton, Hardin, Story | 25 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 42 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 42 min |
| Jul 14, 5:23 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer, Butler | 37 min |
| Jul 14, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 41 min |
| Jul 14, 5:50 PM CDT | Tornado Warning | DMX | Cerro Gordo | 25 min |
| Jul 14, 5:53 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer | 37 min |
| Jul 14, 5:58 PM CDT | Tornado Warning | DMX | Calhoun | 47 min |
| Jul 14, 6:02 PM CDT | Tornado Warning | DMX | Black Hawk, Grundy, Marshall, Tama | 43 min |
| Jul 14, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 48 min |
| Jul 14, 6:42 PM CDT | Tornado Warning | DMX | Webster | 36 min |
| Jul 14, 6:55 PM CDT | Tornado Warning | DMX | Tama | 19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.