Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 147, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2017, 12:45 AM CDT for 4 counties in Minnesota. It was in force for 21 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
- Jul 12, 2017, 12:45 AM CDT (05:45 UTC)
- Expired
- Jul 12, 2017, 1:06 AM CDT
- In force
- 21 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Douglas County, MN, Pope County, MN, Stearns County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 170 km from the middle of the area, began a volume at 05:49 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.8 hours before the alert went out and 168 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
- 913 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1279 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.0
The text
As transmitted.
818
WUUS53 KMPX 120545
SVRMPX
MNC041-121-145-153-120630-
/O.NEW.KMPX.SV.W.0147.170712T0545Z-170712T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1245 AM CDT WED JUL 12 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southeastern Douglas County in west central Minnesota...
Northeastern Pope County in west central Minnesota...
Southwestern Todd County in central Minnesota...
Northwestern Stearns County in central Minnesota...
* Until 130 AM CDT
* At 1244 AM CDT, a severe thunderstorm was located over Alexandria,
moving southeast at 40 mph.
HAZARD...60 mph wind gusts and half dollar 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,
Lake Osakis around 100 AM CDT.
Sauk Centre around 115 AM CDT.
This includes the following highways...
Interstate 94 in Minnesota between mile markers 99 and 129.
U.S. Highway 71 between mile markers 164 and 182.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4585 9550 4600 9534 4589 9476 4558 9502
TIME...MOT...LOC 0544Z 294DEG 35KT 4589 9532
HAIL...1.25IN
WIND...60MPH
$$
BORGHOFF2 follow-up statements
251
WWUS53 KMPX 120557
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1257 AM CDT WED JUL 12 2017
MNC041-121-145-153-120630-
/O.CON.KMPX.SV.W.0147.000000T0000Z-170712T0630Z/
Douglas MN-Pope MN-Todd MN-Stearns MN-
1257 AM CDT WED JUL 12 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR SOUTHEASTERN DOUGLAS...NORTHEASTERN POPE...SOUTHWESTERN TODD AND
NORTHWESTERN STEARNS COUNTIES...
At 1257 AM CDT, a severe thunderstorm was located near Lake Osakis,
or 9 miles east of Alexandria, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Sauk Centre around 120 AM CDT.
Other locations impacted by this severe thunderstorm include
Alexandria Airport, Westport, Nelson, Forada, Long Prairie Airport,
Round Prairie, West Union, Sauk Centre Airport, Little Sauk and
Villard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4591 9544 4590 9529 4597 9519 4589 9476
4558 9502 4585 9550
TIME...MOT...LOC 0557Z 292DEG 31KT 4585 9517
HAIL...1.00IN
WIND...60MPH
$$
BORGHOFF154
WWUS53 KMPX 120606
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
106 AM CDT WED JUL 12 2017
MNC041-121-145-153-120616-
/O.CAN.KMPX.SV.W.0147.000000T0000Z-170712T0630Z/
Douglas MN-Pope MN-Todd MN-Stearns MN-
106 AM CDT WED JUL 12 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DOUGLAS...
NORTHEASTERN POPE...SOUTHWESTERN TODD AND NORTHWESTERN STEARNS
COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
A severe thunderstorm watch remains in effect until 400 AM CDT for
central and west central Minnesota.
LAT...LON 4591 9544 4590 9529 4597 9519 4589 9476
4558 9502 4585 9550
TIME...MOT...LOC 0605Z 294DEG 35KT 4581 9506
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 11:02 PM CDT | Special Weather Statement | MPX | Swift | 28 min |
| Jul 11, 11:14 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 46 min |
| Jul 11, 11:27 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 33 min |
| Jul 11, 11:59 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 46 min |
| Jul 12, 12:10 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 35 min |
| Jul 12, 12:46 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 44 min |
| Jul 12, 1:44 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Benton, Isanti, Mille Lacs, Sherburne | 46 min |
| Jul 12, 2:27 AM CDT | Special Weather Statement | MPX | Anoka, Ramsey, Washington | 33 min |
| Jul 12, 2:48 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.