Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 127, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 26, 2018, 7:10 AM CDT for Dunn County, Polk County, Saint Croix County, Wisconsin. It was in force for 50 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 26, 2018, 7:10 AM CDT (12:10 UTC)
- Expired
- Aug 26, 2018, 8:00 AM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Dunn County, WI, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 12:10 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 26, 7:16 AM CDT | HAIL 1.5 | Stanton, WI | |
| Aug 26, 7:25 AM CDT | HAIL 0.88 | 3 Sse Deer Park, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 0.2 hours before the alert went out and 113 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
- 890 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
129
WUUS53 KMPX 261210
SVRMPX
WIC033-095-109-261300-
/O.NEW.KMPX.SV.W.0127.180826T1210Z-180826T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
710 AM CDT SUN AUG 26 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northwestern Dunn County in west central Wisconsin...
Eastern St. Croix County in west central Wisconsin...
Southeastern Polk County in northwestern Wisconsin...
* Until 800 AM CDT.
* At 710 AM CDT, a severe thunderstorm was located near Deer Park, or
22 miles north of River Falls, moving southeast at 45 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Menomonie, New Richmond, Baldwin, Hammond, Woodville, Glenwood
City, Boyceville, Star Prairie, Knapp, Wheeler, Forest and Emerald.
This includes Interstate 94 in Wisconsin between mile markers 22 and
45.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4484 9186 4496 9245 4515 9258 4528 9252
4517 9189
TIME...MOT...LOC 1210Z 297DEG 38KT 4517 9245
HAIL...1.25IN
WIND...<50MPH
$$
JPC3 follow-up statements
792
WWUS53 KMPX 261232
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
732 AM CDT SUN AUG 26 2018
WIC095-261241-
/O.CAN.KMPX.SV.W.0127.000000T0000Z-180826T1300Z/
Polk WI-
732 AM CDT SUN AUG 26 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN POLK COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the severe thunderstorm warning for
southeastern Polk county has been cancelled.
LAT...LON 4511 9229 4521 9227 4521 9210 4517 9190
4513 9188 4496 9187
TIME...MOT...LOC 1231Z 279DEG 34KT 4515 9219
$$
WIC033-109-261300-
/O.CON.KMPX.SV.W.0127.000000T0000Z-180826T1300Z/
Dunn WI-St. Croix WI-
732 AM CDT SUN AUG 26 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR NORTHWESTERN DUNN AND NORTHEASTERN ST. CROIX COUNTIES...
At 731 AM CDT, a severe thunderstorm was located near Forest, or 22
miles northwest of Menomonie, moving east at 40 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Menomonie, Glenwood City, Boyceville, Wheeler, Forest, Downing and
Connorsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4511 9229 4521 9227 4521 9210 4517 9190
4513 9188 4496 9187
TIME...MOT...LOC 1231Z 279DEG 34KT 4515 9219
HAIL...1.25IN
WIND...<50MPH
$$
JPC589
WWUS53 KMPX 261241
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
741 AM CDT SUN AUG 26 2018
WIC109-261250-
/O.CAN.KMPX.SV.W.0127.000000T0000Z-180826T1300Z/
St. Croix WI-
741 AM CDT SUN AUG 26 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. CROIX COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the severe thunderstorm warning for
northeastern St. Croix county has been cancelled.
LAT...LON 4510 9213 4521 9214 4521 9210 4517 9190
4513 9188 4504 9187
TIME...MOT...LOC 1240Z 275DEG 38KT 4515 9205
$$
WIC033-261300-
/O.CON.KMPX.SV.W.0127.000000T0000Z-180826T1300Z/
Dunn WI-
741 AM CDT SUN AUG 26 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR NORTHWESTERN DUNN COUNTY...
At 740 AM CDT, a severe thunderstorm was located over Connorsville,
or 18 miles north of Menomonie, moving east at 45 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Connorsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4510 9213 4521 9214 4521 9210 4517 9190
4513 9188 4504 9187
TIME...MOT...LOC 1240Z 275DEG 38KT 4515 9205
HAIL...1.25IN
WIND...<50MPH
$$
JPC588
WWUS53 KMPX 261251
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
751 AM CDT SUN AUG 26 2018
WIC033-261300-
/O.EXP.KMPX.SV.W.0127.000000T0000Z-180826T1300Z/
Dunn WI-
751 AM CDT SUN AUG 26 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DUNN COUNTY WILL
EXPIRE AT 800 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the severe
thunderstorm warning for northwestern Dunn county will be allowed to
expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4510 9213 4521 9214 4521 9210 4517 9190
4513 9188 4504 9187
TIME...MOT...LOC 1250Z 297DEG 38KT 4510 9192
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 5:47 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 43 min |
| Aug 26, 6:25 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 50 min |
| Aug 26, 6:44 AM CDT | Special Weather Statement | MPX | Polk | 31 min |
| Aug 26, 7:28 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 62 min |
| Aug 26, 8:23 AM CDT | Special Weather Statement | MPX | Rusk | 52 min |
| Aug 26, 1:36 PM CDT | Special Weather Statement | MPX | Dunn | 39 min |
| Aug 26, 1:53 PM CDT | Special Weather Statement | MPX | Chippewa, Eau Claire | 37 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.