Alert archive / Minnesota / Tornado Warnings in 2017
Tornado Warning 42, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Sep 24, 2017, 4:18 PM CDT for Pope County, Stearns County, Minnesota. It was in force for 27 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
- Sep 24, 2017, 4:18 PM CDT (21:18 UTC)
- Expired
- Sep 24, 2017, 4:45 PM CDT
- In force
- 27 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Pope County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 138 km from the middle of the area, began a volume at 21:20 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.3 hours before the alert went out and 136 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
- 156 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1355 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
833
WFUS53 KMPX 242118
TORMPX
MNC121-145-242145-
/O.NEW.KMPX.TO.W.0042.170924T2118Z-170924T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
418 PM CDT SUN SEP 24 2017
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Southeastern Pope County in west central Minnesota...
West central Stearns County in central Minnesota...
* Until 445 PM CDT
* At 417 PM CDT, a severe thunderstorm capable of producing a
tornado was located 5 miles west of Brooten, or 22 miles north of
Willmar, moving northeast at 45 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...
Brooten around 425 PM CDT.
Belgrade around 430 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Greenwald, Padua, Elrosa, Spring Hill and Meire Grove.
This includes U.S. Highway 71 between mile markers 150 and 163.
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 4568 9499 4556 9474 4541 9513 4541 9528
TIME...MOT...LOC 2117Z 226DEG 39KT 4543 9520
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
TDK2 follow-up statements
770
WWUS53 KMPX 242133
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
433 PM CDT SUN SEP 24 2017
MNC121-242142-
/O.CAN.KMPX.TO.W.0042.000000T0000Z-170924T2145Z/
Pope MN-
433 PM CDT SUN SEP 24 2017
...THE TORNADO WARNING FOR SOUTHEASTERN POPE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 4568 9499 4556 9474 4547 9509 4552 9513
TIME...MOT...LOC 2132Z 226DEG 39KT 4554 9503
$$
MNC145-242145-
/O.CON.KMPX.TO.W.0042.000000T0000Z-170924T2145Z/
Stearns MN-
433 PM CDT SUN SEP 24 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR WESTERN
STEARNS COUNTY...
At 432 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Padua, or 28 miles north of Willmar, moving
northeast at 45 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 tornadic thunderstorm will remain over mainly rural areas of
west central Stearns County, including the following locations:
Greenwald, Padua, Elrosa and Meire Grove.
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 4568 9499 4556 9474 4547 9509 4552 9513
TIME...MOT...LOC 2132Z 226DEG 39KT 4554 9503
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
TDK920
WWUS53 KMPX 242142
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
442 PM CDT SUN SEP 24 2017
MNC145-242151-
/O.EXP.KMPX.TO.W.0042.000000T0000Z-170924T2145Z/
Stearns MN-
442 PM CDT SUN SEP 24 2017
...THE TORNADO WARNING FOR WESTERN STEARNS COUNTY WILL EXPIRE AT
445 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
are still possible with this thunderstorm.
LAT...LON 4568 9499 4556 9474 4547 9509 4552 9513
TIME...MOT...LOC 2141Z 225DEG 39KT 4561 9492
$$
TDKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 7:46 PM CDT | Special Weather Statement | MPX | Benton | 29 min |
| Sep 24, 3:15 PM CDT | Special Weather Statement | MPX | Morrison | 30 min |
| Sep 24, 4:09 PM CDT | Special Weather Statement | MPX | Stearns | 51 min |
Nearby
Tornado Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.