Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 139, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2018, 6:03 PM CDT for Barron County, Polk County, Saint Croix County, Wisconsin; Washington County, Minnesota. It was in force for 57 min. 1 report 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 27, 2018, 6:03 PM CDT (23:03 UTC)
- Expired
- Aug 27, 2018, 7:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Washington County, MN, Barron County, WI, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 101 km from the middle of the area, began a volume at 23:08 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 27, 6:50 PM CDT | TSTM WND DMG | Almena, WI | NUMEROUS TREE LIMBS 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 |
|---|---|---|---|
| Aug 27, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 104 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
- 1465 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.7
The text
As transmitted.
017
WUUS53 KMPX 272303
SVRMPX
MNC163-WIC005-095-109-280000-
/O.NEW.KMPX.SV.W.0139.180827T2303Z-180828T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
603 PM CDT MON AUG 27 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northern Washington County in east central Minnesota...
St. Croix County in west central Wisconsin...
Southwestern Barron County in northwestern Wisconsin...
Southeastern Polk County in northwestern Wisconsin...
* Until 700 PM CDT.
* At 603 PM CDT, severe thunderstorms were located along a line
extending from near Marine On St Croix to near River Falls, moving
northeast at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
New Richmond, Osceola, Baldwin and Star Prairie around 615 PM CDT.
Dresser around 620 PM CDT.
Amery, Clear Lake and Balsam Lake around 630 PM CDT.
Turtle Lake, Clayton and Prairie Farm around 640 PM CDT.
Almena around 645 PM CDT.
Barron and Cumberland around 650 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9216
4515 9216 4508 9226 4486 9268 4486 9276
4482 9277 4511 9299
TIME...MOT...LOC 2303Z 223DEG 53KT 4513 9280 4492 9263
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF5 follow-up statements
371
WWUS53 KMPX 272312
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
612 PM CDT MON AUG 27 2018
MNC163-WIC005-095-109-280000-
/O.CON.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
Washington MN-St. Croix WI-Barron WI-Polk WI-
612 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN WASHINGTON...NORTHWESTERN ST. CROIX...SOUTHWESTERN
BARRON AND SOUTHEASTERN POLK COUNTIES...
At 612 PM CDT, severe thunderstorms were located along a line
extending from near East Farmington to Roberts, moving northeast at
60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Baldwin around 615 PM CDT.
Osceola, Dresser and Star Prairie around 620 PM CDT.
Amery around 630 PM CDT.
Clear Lake and Balsam Lake around 635 PM CDT.
Clayton around 640 PM CDT.
Turtle Lake around 645 PM CDT.
Almena around 650 PM CDT.
Barron around 655 PM CDT.
Other locations impacted by these severe thunderstorms include
Otisville, Hillsdale, Osceola Airport, Boardman, Huntington, Range,
Wanderoos, William OBrien State Park, Willow River State Park and
Burkhardt.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9216
4515 9216 4501 9239 4489 9262 4518 9290
TIME...MOT...LOC 2312Z 223DEG 53KT 4520 9270 4499 9253
HAIL...<.75IN
WIND...60MPH
$$
JRB047
WWUS53 KMPX 272325
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
625 PM CDT MON AUG 27 2018
MNC163-272335-
/O.CAN.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
Washington MN-
625 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
east central Minnesota...and northwestern and west central Wisconsin.
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9216
4515 9216 4500 9241 4498 9246 4525 9276
4528 9276
TIME...MOT...LOC 2325Z 270DEG 53KT 4533 9253 4512 9236
$$
WIC005-095-109-280000-
/O.CON.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
St. Croix WI-Barron WI-Polk WI-
625 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN ST. CROIX...SOUTHWESTERN BARRON AND SOUTHEASTERN
POLK COUNTIES...
At 625 PM CDT, severe thunderstorms were located along a line
extending from near Wanderoos to Cylon, moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Clear Lake around 635 PM CDT.
Turtle Lake and Clayton around 645 PM CDT.
Almena and Prairie Farm around 650 PM CDT.
Barron around 655 PM CDT.
Other locations impacted by these severe thunderstorms include
Hillsdale, Osceola Airport, Huntington, Range, Wanderoos, Joel, East
Farmington, Mckinley, Reeve and Deronda.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9216
4515 9216 4500 9241 4498 9246 4525 9276
4528 9276
TIME...MOT...LOC 2325Z 270DEG 53KT 4533 9253 4512 9236
HAIL...<.75IN
WIND...60MPH
$$
JRB491
WWUS53 KMPX 272335
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
635 PM CDT MON AUG 27 2018
WIC005-095-109-280000-
/O.CON.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
St. Croix WI-Barron WI-Polk WI-
635 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN ST. CROIX...SOUTHWESTERN BARRON AND SOUTHEASTERN
POLK COUNTIES...
At 635 PM CDT, severe thunderstorms were located along a line
extending from near Balsam Lake to near Clear Lake, moving northeast
at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Turtle Lake and Clayton around 645 PM CDT.
Almena around 650 PM CDT.
Barron and Cumberland around 655 PM CDT.
Other locations impacted by these severe thunderstorms include
Hillsdale, Mckinley, Reeve, Deronda, Deer Park, Arland, Comstock,
Forest, Range and Wanderoos.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9216
4515 9216 4504 9234 4540 9259
TIME...MOT...LOC 2335Z 223DEG 53KT 4543 9240 4522 9223
HAIL...<.75IN
WIND...60MPH
$$
JRB230
WWUS53 KMPX 272347
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
647 PM CDT MON AUG 27 2018
WIC109-272357-
/O.CAN.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
St. Croix WI-
647 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. CROIX COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Wisconsin.
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9209
4549 9246
TIME...MOT...LOC 2347Z 228DEG 48KT 4551 9223 4530 9206
$$
WIC005-095-280000-
/O.CON.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
Barron WI-Polk WI-
647 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN BARRON AND EAST CENTRAL POLK COUNTIES...
At 647 PM CDT, severe thunderstorms were located along a line
extending from near Mckinley to near Arland, moving northeast at 55
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Almena around 655 PM CDT.
Barron and Cumberland around 700 PM CDT.
Other locations impacted by these severe thunderstorms include
Hillsdale, Mckinley, Reeve, Arland, Comstock, Range and Joel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9209
4549 9246
TIME...MOT...LOC 2347Z 228DEG 48KT 4551 9223 4530 9206
HAIL...<.75IN
WIND...60MPH
$$
JRB752
WWUS53 KMPX 272356
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
656 PM CDT MON AUG 27 2018
WIC005-095-280006-
/O.EXP.KMPX.SV.W.0139.000000T0000Z-180828T0000Z/
Barron WI-Polk WI-
656 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BARRON AND EAST
CENTRAL POLK COUNTIES WILL EXPIRE AT 700 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Wisconsin.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4567 9222 4536 9176 4521 9205 4521 9209
4549 9246
TIME...MOT...LOC 2356Z 223DEG 53KT 4560 9212 4539 9195
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:53 AM CDT | Special Weather Statement | MPX | Dunn, Pepin, Pierce, Saint Croix | 67 min |
| Aug 27, 3:09 AM CDT | Special Weather Statement | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Rusk | 36 min |
| Aug 27, 5:47 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce, Saint Croix | 58 min |
| Aug 27, 6:20 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin | 55 min |
| Aug 27, 6:41 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 36 min |
| Aug 27, 1:01 AM CDT | Special Weather Statement | MPX | Dakota | 29 min |
| Aug 27, 1:44 PM CDT | Special Weather Statement | MPX | Benton | 31 min |
| Aug 27, 2:03 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs | 27 min |
| Aug 27, 3:17 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin, Watonwan | 58 min |
| Aug 27, 3:38 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns, Todd | 47 min |
| Aug 27, 3:52 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Nicollet, Waseca | 53 min |
| Aug 27, 4:14 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet, Rice, Scott, Sibley | 61 min |
| Aug 27, 4:17 PM CDT | Special Weather Statement | MPX | Morrison | 43 min |
| Aug 27, 4:35 PM CDT | Special Weather Statement | MPX | Benton, Sherburne | 70 min |
| Aug 27, 4:42 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 48 min |
| Aug 27, 5:02 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Hennepin, Ramsey, Scott, Washington | 58 min |
| Aug 27, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue, Rice | 55 min |
| Aug 27, 5:07 PM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 38 min |
| Aug 27, 5:16 PM CDT | Tornado Warning | MPX | Goodhue, Rice | 44 min |
| Aug 27, 5:32 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti, Ramsey, Sherburne, Wright | 43 min |
| Aug 27, 5:54 PM CDT | Special Weather Statement | MPX | Freeborn | 36 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2018Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018
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.