Alert archive / Minnesota / Tornado Warnings in 2017
Tornado Warning 27, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 17, 2017, 5:45 PM CDT for Douglas County, Minnesota. It was in force for 45 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
- Jul 17, 2017, 5:45 PM CDT (22:45 UTC)
- Expired
- Jul 17, 2017, 6:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
County Douglas County, MN
The radar
The Minneapolis radar (KMPX), 191 km from the middle of the area, began a volume at 22:46 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 17, 5:50 PM CDT | TSTM WND DMG | Brandon, MN | SEVERAL LARGE TREES DOWN ON THE NORTH SIDE OF BRANDON. |
| Jul 17, 6:40 PM CDT | TSTM WND DMG | 2 Se Garfield, MN | NUMEROUS TREE BRANCHES 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 |
|---|---|---|---|
| Jul 17, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.8 hours before the alert went out and 189 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
- 1041 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
240
WFUS53 KMPX 172245
TORMPX
MNC041-172330-
/O.NEW.KMPX.TO.W.0027.170717T2245Z-170717T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
545 PM CDT MON JUL 17 2017
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Central Douglas County in west central Minnesota...
* Until 630 PM CDT
* At 545 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Brandon, or 10 miles west of Alexandria, moving
east at 45 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...
Alexandria around 600 PM CDT.
Carlos around 605 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Alexandria Airport, Nelson, Garfield, Leaf Valley, Miltona, Rose City
and Belle River.
This includes Interstate 94 in Minnesota between mile markers 86 and
115.
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 4586 9569 4603 9568 4608 9515 4578 9514
TIME...MOT...LOC 2245Z 272DEG 38KT 4594 9557
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
BORGHOFF3 follow-up statements
882
WWUS53 KMPX 172253
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
553 PM CDT MON JUL 17 2017
MNC041-172330-
/O.CON.KMPX.TO.W.0027.000000T0000Z-170717T2330Z/
Douglas MN-
553 PM CDT MON JUL 17 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EASTERN
DOUGLAS COUNTY...
At 553 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Garfield, or near Alexandria, moving east at 35 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Alexandria around 605 PM CDT.
Carlos around 610 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Alexandria Airport, Nelson, Miltona, Rose City, Belle River and
Garfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4589 9558 4602 9555 4608 9515 4578 9514
TIME...MOT...LOC 2253Z 264DEG 30KT 4596 9547
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
BORGHOFF126
WWUS53 KMPX 172304
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
604 PM CDT MON JUL 17 2017
MNC041-172330-
/O.CON.KMPX.TO.W.0027.000000T0000Z-170717T2330Z/
Douglas MN-
604 PM CDT MON JUL 17 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN DOUGLAS COUNTY...
At 603 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Carlos, or near Alexandria, moving east at 35 mph.
HAZARD...Tornado and tennis 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...
Carlos around 610 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Nelson, Miltona, Rose City and Belle River.
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 4591 9546 4602 9545 4608 9515 4583 9514
TIME...MOT...LOC 2303Z 263DEG 29KT 4597 9537
TORNADO...RADAR INDICATED
HAIL...2.50IN
$$
BORGHOFF782
WWUS53 KMPX 172328
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
628 PM CDT MON JUL 17 2017
MNC041-172337-
/O.EXP.KMPX.TO.W.0027.000000T0000Z-170717T2330Z/
Douglas MN-
628 PM CDT MON JUL 17 2017
...THE TORNADO WARNING FOR NORTHEASTERN DOUGLAS COUNTY WILL EXPIRE AT
630 PM CDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
LAT...LON 4591 9546 4602 9545 4608 9515 4583 9514
TIME...MOT...LOC 2327Z 272DEG 38KT 4596 9536
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:27 AM CDT | Heat Advisory | MPX | Anoka, Benton, Brown, Carver, Chippewa, Dakota and 24 more | 16 hr |
| Jul 17, 4:50 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 40 min |
| Jul 17, 5:24 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 66 min |
| Jul 17, 5:29 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 61 min |
| Jul 17, 5:37 PM CDT | Tornado Warning | MPX | Morrison, Todd | 38 min |
| Jul 17, 6:01 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 59 min |
| Jul 17, 6:19 PM CDT | Tornado Warning | MPX | Morrison | 41 min |
| Jul 17, 6:27 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 63 min |
| Jul 17, 6:40 PM CDT | Tornado Warning | MPX | Douglas, Stearns, Todd | 35 min |
| Jul 17, 6:47 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Kanabec, Mille Lacs, Morrison | 58 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.