Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 156, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 17, 2017, 5:24 PM CDT for Douglas County, Minnesota. It was in force for 66 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, 5:24 PM CDT (22:24 UTC)
- Expired
- Jul 17, 2017, 6:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Douglas County, MN
The radar
The Minneapolis radar (KMPX), 200 km from the middle of the area, began a volume at 22:25 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, 10.4 hours before the alert went out and 198 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.
042
WUUS53 KMPX 172224
SVRMPX
MNC041-172330-
/O.NEW.KMPX.SV.W.0156.170717T2224Z-170717T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
524 PM CDT MON JUL 17 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Western Douglas County in west central Minnesota...
* Until 630 PM CDT
* At 523 PM CDT, a severe thunderstorm was located over Erdahl, or 21
miles southeast of Fergus Falls, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near,
Evansville around 540 PM CDT.
Brandon around 550 PM CDT.
Alexandria around 625 PM CDT.
Other locations impacted by this severe thunderstorm include
Alexandria Airport, Forada, Garfield, Melby, Leaf Valley, Holmes City
and Millerville.
This includes Interstate 94 in Minnesota between mile markers 81 and
105.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4610 9535 4578 9535 4587 9576 4593 9577
4611 9577
TIME...MOT...LOC 2223Z 288DEG 21KT 4603 9580
HAIL...1.00IN
WIND...60MPH
$$
BORGHOFF1 follow-up statement
893
WWUS53 KMPX 172240
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
540 PM CDT MON JUL 17 2017
MNC041-172330-
/O.CON.KMPX.SV.W.0156.000000T0000Z-170717T2330Z/
Douglas MN-
540 PM CDT MON JUL 17 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR WESTERN DOUGLAS COUNTY...
At 540 PM CDT, a severe thunderstorm was located over Brandon, or 13
miles west of Alexandria, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Alexandria around 610 PM CDT.
Other locations impacted by this severe thunderstorm include
Alexandria Airport, Forada, Garfield, Melby, Leaf Valley, Holmes City
and Millerville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4610 9535 4578 9535 4587 9576 4593 9577
4611 9577
TIME...MOT...LOC 2240Z 288DEG 28KT 4597 9563
HAIL...1.00IN
WIND...60MPH
$$
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, 5:29 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, 5:45 PM CDT | Tornado Warning | MPX | Douglas | 45 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
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning 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.