Alert archive / Minnesota / Tornado Warnings in 2017
Tornado Warning 3, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Mar 6, 2017, 5:44 PM CST for Isanti County, Mille Lacs County, Sherburne County, Minnesota. It was in force for 31 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, 5:44 PM CST (23:44 UTC)
- Expired
- Mar 6, 2017, 6:15 PM CST
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Isanti County, MN, Mille Lacs County, MN, Sherburne County, MN
The radar
The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 23:42 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, 6:08 PM CST | TSTM WND DMG | 1 S Princeton, MN | LARGE TREES DOWN ACROSS ROAD NEAR U.S. HWY 169. . |
| Mar 6, 6:10 PM CST | TSTM WND DMG | 3 Nw Zimmerman, MN | 8 TO 9 INCH DIAMETER TREES DOWN. |
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, 2:43 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.7 hours before the alert went out and 83 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.
009
WFUS53 KMPX 062344
TORMPX
MNC059-095-141-070015-
/O.NEW.KMPX.TO.W.0003.170306T2344Z-170307T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
544 PM CST MON MAR 6 2017
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Southeastern Mille Lacs County in east central Minnesota...
Northwestern Isanti County in east central Minnesota...
Northeastern Sherburne County in central Minnesota...
* Until 615 PM CST
* At 543 PM CST, a severe thunderstorm capable of producing a tornado
was located over Orrock, or 20 miles northeast of Buffalo, moving
northeast at 40 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 dangerous storm will be near...
Princeton around 600 PM CST.
Other locations impacted by this tornadic thunderstorm include
Orrock and Dalbo.
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 9336 4539 9365 4545 9380 4576 9356
TIME...MOT...LOC 2343Z 214DEG 34KT 4545 9370
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$4 follow-up statements
278
WWUS53 KMPX 062351
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
551 PM CST MON MAR 6 2017
MNC059-095-141-070015-
/O.CON.KMPX.TO.W.0003.000000T0000Z-170307T0015Z/
Mille Lacs MN-Isanti MN-Sherburne MN-
551 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
SOUTHEASTERN MILLE LACS...NORTHWESTERN ISANTI AND NORTHEASTERN
SHERBURNE COUNTIES...
At 549 PM CST, a confirmed tornado was located near Zimmerman,
moving northeast at 40 mph. This potential tornado is heading for
Princeton. PEOPLE IN THE PRINCETON AREA SHOULD BE SEEKING SHELTER
NOW!
HAZARD...Damaging tornado and ping pong ball size hail.
SOURCE...Law enforcement confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Princeton around 600 PM CST.
Other locations impacted by this tornadic thunderstorm include
Sherburne National Wildlife Refuge, Orrock, Princeton Airport and
Dalbo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4568 9336 4539 9365 4545 9380 4576 9356
TIME...MOT...LOC 2349Z 214DEG 34KT 4550 9365
TORNADO...OBSERVED
HAIL...1.50IN
$$084
WWUS53 KMPX 062356
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
556 PM CST MON MAR 6 2017
MNC059-095-141-070015-
/O.CON.KMPX.TO.W.0003.000000T0000Z-170307T0015Z/
Mille Lacs MN-Isanti MN-Sherburne MN-
556 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
SOUTHEASTERN MILLE LACS...NORTHWESTERN ISANTI AND NORTHEASTERN
SHERBURNE COUNTIES...
At 556 PM CST, a confirmed tornado was located over the south side
of Princeton, moving northeast at 40 mph. PEOPLE IN THE PRINCETON
AREA SHOULD BE SEEKING SHELTER NOW!
HAZARD...Damaging tornado and ping pong ball size hail.
SOURCE...Law enforcement 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.
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 4548 9356 4557 9371 4576 9356 4568 9336
TIME...MOT...LOC 2356Z 214DEG 34KT 4555 9360
TORNADO...OBSERVED
HAIL...1.50IN
$$595
WWUS53 KMPX 070005
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
605 PM CST MON MAR 6 2017
MNC141-070013-
/O.CAN.KMPX.TO.W.0003.000000T0000Z-170307T0015Z/
Sherburne MN-
605 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHEASTERN SHERBURNE COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CST for east central
Minnesota.
LAT...LON 4558 9346 4563 9362 4576 9356 4568 9336
TIME...MOT...LOC 0003Z 215DEG 37KT 4564 9349
$$
MNC059-095-070015-
/O.CON.KMPX.TO.W.0003.000000T0000Z-170307T0015Z/
Mille Lacs MN-Isanti MN-
605 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
SOUTHEASTERN MILLE LACS AND NORTHWESTERN ISANTI COUNTIES...
At 603 PM CST, a severe thunderstorm capable of producing a tornado
was located northeast of Princeton near Dalbo, moving northeast at
45 mph. The tornadic circulation has moved northeast of Princeton.
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.
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 4558 9346 4563 9362 4576 9356 4568 9336
TIME...MOT...LOC 0003Z 215DEG 37KT 4564 9349
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$018
WWUS53 KMPX 070011
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
611 PM CST MON MAR 6 2017
MNC059-095-070021-
/O.EXP.KMPX.TO.W.0003.000000T0000Z-170307T0015Z/
Mille Lacs MN-Isanti MN-
611 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR SOUTHEASTERN MILLE LACS AND NORTHWESTERN
ISANTI COUNTIES WILL EXPIRE AT 615 PM CST...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A tornado watch remains in effect until 1000 PM CST for east central
Minnesota.
LAT...LON 4558 9346 4563 9362 4576 9356 4568 9336
TIME...MOT...LOC 0011Z 214DEG 34KT 4569 9344
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 4:04 AM CST | Wind Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 60 hr |
| Mar 6, 3:47 PM CST | Severe Thunderstorm Warning | MPX | Redwood, Renville, Sibley | 43 min |
| Mar 6, 4:10 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 35 min |
| Mar 6, 4:28 PM CST | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 47 min |
| Mar 6, 4:32 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Martin | 43 min |
| Mar 6, 4:41 PM CST | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 34 min |
| Mar 6, 4:50 PM CST | Tornado Warning | MPX | Wright | 25 min |
| Mar 6, 4:54 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 21 min |
| Mar 6, 5:09 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 36 min |
| Mar 6, 5:11 PM CST | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 34 min |
| Mar 6, 5:26 PM CST | Tornado Warning | MPX | Sherburne, Wright | 20 min |
| Mar 6, 5:42 PM CST | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.