Alert archive / Iowa / Tornado Warnings in 2017
Tornado Warning 1, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Mar 6, 2017, 4:13 PM CST for Emmet County, Kossuth County, Palo Alto County, Iowa. It was in force for 33 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
- Mar 6, 2017, 4:13 PM CST (22:13 UTC)
- Expired
- Mar 6, 2017, 4:46 PM CST
- In force
- 33 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Emmet County, IA, Kossuth County, IA, Palo Alto County, IA
The radar
The Minneapolis radar (KMPX), 178 km from the middle of the area, began a volume at 22:17 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 |
|---|---|---|---|
| Mar 6, 4:24 PM CST | TSTM WND DMG | 3 Nw Fenton, IA | SPOTTER REPORTED BROKEN STORM WINDOWS AS WELL AS A FEW MEDIUM TO LARGE TREE BRANCHES DOWN. . |
| Mar 6, 4:26 PM CST | TSTM WND GST 60 | 4 W Fenton, IA | PEA TO DIME SIZE HAIL AS WELL. . |
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 |
|---|---|---|---|
| Mar 6, 1:54 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 177 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
- 622 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 401 m²/s²
- 0-3 km storm-relative helicity
- 365 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
911
WFUS53 KDMX 062213
TORDMX
IAC063-109-147-062300-
/O.NEW.KDMX.TO.W.0001.170306T2213Z-170306T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
413 PM CST MON MAR 6 2017
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Eastern Emmet County in northwestern Iowa...
Northwestern Kossuth County in north central Iowa...
Northeastern Palo Alto County in northwestern Iowa...
* Until 500 PM CST.
* At 413 PM CST, a severe thunderstorm capable of producing a tornado
was located near Five Island Lake, or 8 miles northeast of
Emmetsburg, moving northeast at 60 mph.
HAZARD...Tornado and ping pong ball 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 tornadic thunderstorm will remain over mainly rural areas of
eastern Emmet...northwestern Kossuth and northeastern Palo Alto
Counties, including the following locations: Armstrong, Swea City,
Ledyard, Fenton and Ringsted.
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 4350 9405 4309 9452 4318 9466 4350 9446
TIME...MOT...LOC 2213Z 213DEG 50KT 4317 9454
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
MF3 follow-up statements
137
WWUS53 KDMX 062221
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
421 PM CST MON MAR 6 2017
IAC063-109-147-062300-
/O.CON.KDMX.TO.W.0001.000000T0000Z-170306T2300Z/
Emmet IA-Kossuth IA-Palo Alto IA-
421 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR EASTERN
EMMET...NORTHWESTERN KOSSUTH AND NORTHEASTERN PALO ALTO COUNTIES...
At 421 PM CST, a severe thunderstorm capable of producing a tornado
was located 13 miles northeast of Five Island Lake, or 15 miles
northeast of Emmetsburg, moving northeast at 50 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Iowa Lake, Armstrong, Swea City, Ringsted, Fenton and Ledyard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4350 9405 4318 9442 4324 9456 4350 9446
TIME...MOT...LOC 2221Z 221DEG 44KT 4326 9445
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
MF979
WWUS53 KDMX 062233
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
433 PM CST MON MAR 6 2017
IAC147-062242-
/O.CAN.KDMX.TO.W.0001.000000T0000Z-170306T2300Z/
Palo Alto IA-
433 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHEASTERN PALO ALTO COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CST for north central
and northwestern Iowa.
LAT...LON 4330 9428 4338 9449 4350 9446 4350 9405
TIME...MOT...LOC 2232Z 213DEG 50KT 4339 9433
$$
IAC063-109-062300-
/O.CON.KDMX.TO.W.0001.000000T0000Z-170306T2300Z/
Emmet IA-Kossuth IA-
433 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR
NORTHEASTERN EMMET AND NORTHWESTERN KOSSUTH COUNTIES...
At 432 PM CST, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Iowa Lake, or 18 miles south of
Fairmont, moving northeast at 60 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Iowa Lake, Armstrong, Swea City and Ledyard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4330 9428 4338 9449 4350 9446 4350 9405
TIME...MOT...LOC 2232Z 213DEG 50KT 4339 9433
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
MF704
WWUS53 KDMX 062246
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
446 PM CST MON MAR 6 2017
IAC063-109-062255-
/O.CAN.KDMX.TO.W.0001.000000T0000Z-170306T2300Z/
Emmet IA-Kossuth IA-
446 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHEASTERN EMMET AND NORTHWESTERN
KOSSUTH COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
A tornado watch remains in effect until 1000 PM CST for north central
and northwestern Iowa.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Des Moines .
LAT...LON 4330 9428 4338 9449 4350 9446 4350 9405
TIME...MOT...LOC 2244Z 213DEG 50KT 4355 9419
$$
MFThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 4:25 AM CST | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 41 more | 24 hr |
| Mar 6, 3:28 PM CST | Fire Weather Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 27 more | 13 hr |
| Mar 6, 3:29 PM CST | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 27 hr |
| Mar 6, 3:40 PM CST | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 50 min |
| Mar 6, 3:50 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Crawford, Sac | 55 min |
| Mar 6, 4:04 PM CST | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto, Pocahontas | 41 min |
| Mar 6, 4:13 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 47 min |
| Mar 6, 4:19 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Sac | 41 min |
| Mar 6, 4:29 PM CST | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Webster, Wright | 46 min |
| Mar 6, 4:31 PM CST | Severe Thunderstorm Warning | DMX | Audubon, Calhoun, Carroll, Greene | 44 min |
| Mar 6, 4:41 PM CST | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 49 min |
| Mar 6, 4:43 PM CST | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 18 min |
| Mar 6, 4:47 PM CST | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 33 min |
| Mar 6, 4:58 PM CST | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Webster, Winnebago, Wright | 47 min |
| Mar 6, 5:00 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Kossuth, Pocahontas, Webster | 45 min |
| Mar 6, 5:07 PM CST | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Greene, Guthrie | 68 min |
| Mar 6, 5:10 PM CST | Severe Thunderstorm Warning | DMX | Boone, Calhoun, Greene, Webster | 50 min |
| Mar 6, 5:29 PM CST | Tornado Warning | DMX | Hamilton, Webster | 31 min |
| Mar 6, 5:37 PM CST | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Humboldt, Webster, Wright | 38 min |
| Mar 6, 5:53 PM CST | Severe Thunderstorm Warning | DMX | Adams, Cass, Ringgold, Taylor, Union | 52 min |
Nearby
Tornado Warnings in Iowa, 2017Every tornado warning in 2017Tornadoes in 2017
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.