Alert archive / Minnesota / Tornado Warnings in 2017
Tornado Warning 41, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 16, 2017, 7:59 PM CDT for Carver County, McLeod 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
- Aug 16, 2017, 7:59 PM CDT (00:59 UTC)
- Expired
- Aug 16, 2017, 8:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Carver County, MN, McLeod County, MN
The radar
The Minneapolis radar (KMPX), 41 km from the middle of the area, began a volume at 00:59 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 |
|---|---|---|---|
| Aug 16, 8:08 PM CDT | TORNADO | Lester Prairie, MN | BRIEF EF0 TORNADO ON THE SOUTH SIDE OF LESTER PRIAIRE PRODUCED A CONCENTRATED AREA OF TREE DAMAGE AS IT HEADED WEST. A FUNNEL CLOUD OBSERVED A FEW MINUTES EARLIER ON THE EAST SIDE OF TOWN. ESTIMATED MAX WIND SPEED 75 MPH. |
| Aug 16, 8:10 PM CDT | TSTM WND DMG | Lester Prairie, MN | POSSIBLE TORNADO DAMAGE. 12 DIAMETER TREE DOWN AT 2ND AVE. AND ELM ST. |
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 |
|---|---|---|---|
| Aug 16, 7:00 PM CDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.0 hours before the alert went out and 39 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
- 445 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.6
The text
As transmitted.
101
WFUS53 KMPX 170059
TORMPX
MNC019-085-170130-
/O.NEW.KMPX.TO.W.0041.170817T0059Z-170817T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
759 PM CDT WED AUG 16 2017
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Northeastern McLeod County in central Minnesota...
Northwestern Carver County in east central Minnesota...
* Until 830 PM CDT
* At 758 PM CDT, a severe thunderstorm capable of producing a tornado
was located near New Germany, or 19 miles east of Hutchinson,
moving northwest at 35 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...
Lester Prairie around 805 PM CDT.
Winsted around 815 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Hollywood and New Germany.
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 4498 9429 4497 9393 4480 9389 4479 9403
TIME...MOT...LOC 0058Z 147DEG 30KT 4483 9399
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BORGHOFF2 follow-up statements
153
WWUS53 KMPX 170114
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
814 PM CDT WED AUG 16 2017
MNC019-170124-
/O.CAN.KMPX.TO.W.0041.000000T0000Z-170817T0130Z/
Carver MN-
814 PM CDT WED AUG 16 2017
...THE TORNADO WARNING FOR NORTHWESTERN CARVER COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CDT for central
Minnesota.
LAT...LON 4497 9428 4497 9403 4486 9402 4485 9411
4489 9417
TIME...MOT...LOC 0114Z 136DEG 21KT 4489 9409
$$
MNC085-170130-
/O.CON.KMPX.TO.W.0041.000000T0000Z-170817T0130Z/
McLeod MN-
814 PM CDT WED AUG 16 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN MCLEOD COUNTY...
At 814 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lester Prairie, or 14 miles east of Hutchinson,
moving northwest at 25 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...
Silver Lake around 825 PM CDT.
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 4497 9428 4497 9403 4486 9402 4485 9411
4489 9417
TIME...MOT...LOC 0114Z 136DEG 21KT 4489 9409
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BORGHOFF689
WWUS53 KMPX 170130
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
830 PM CDT WED AUG 16 2017
MNC085-170140-
/O.EXP.KMPX.TO.W.0041.000000T0000Z-170817T0130Z/
McLeod MN-
830 PM CDT WED AUG 16 2017
...THE TORNADO WARNING FOR NORTHEASTERN MCLEOD COUNTY HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been allowed to expire.
A tornado watch remains in effect until 1000 PM CDT for central
Minnesota.
LAT...LON 4497 9428 4497 9403 4486 9402 4485 9411
4489 9417
TIME...MOT...LOC 0130Z 147DEG 30KT 4500 9419
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 7:29 PM CDT | Special Weather Statement | MPX | Carver, McLeod, Scott | 61 min |
| Aug 16, 7:42 PM CDT | Tornado Warning | MPX | Carver, Hennepin, Scott | 20 min |
| Aug 16, 7:49 PM CDT | Flood Watch | MPX | Benton, Chippewa, Douglas, Kandiyohi, Lac qui Parle, McLeod and 13 more | 12 hr |
| Aug 16, 8:13 PM CDT | Flash Flood Warning | MPX | Carver, Hennepin, Scott | 3 hr |
| Aug 16, 10:42 PM CDT | Areal Flood Warning | MPX | Chippewa, Kandiyohi, Lac qui Parle, Redwood, Renville, Swift and 1 more | 9 hr |
| Aug 16, 11:57 PM CDT | Special Weather Statement | MPX | Renville | 48 min |
| Aug 17, 1:03 AM CDT | Flash Flood Warning | MPX | Redwood, Renville | 4 hr |
| Aug 17, 1:31 AM CDT | Special Weather Statement | MPX | Renville | 44 min |
| Aug 17, 2:04 AM CDT | High Wind Warning | MPX | Brown, Nicollet, Sibley | 88 min |
| Aug 17, 3:32 AM CDT | Wind Advisory | MPX | Blue Earth, Brown, Carver, Dakota, Goodhue, Le Sueur and 10 more | 4 hr |
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.