Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 29, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 28, 2020, 9:50 PM CDT for Barron County, Chippewa County, Dunn County, Wisconsin. It was in force for 25 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
- Jun 28, 2020, 9:50 PM CDT (02:50 UTC)
- Expired
- Jun 28, 2020, 10:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Barron County, WI, Chippewa County, WI, Dunn County, WI
The radar
The La Crosse radar (KARX), 137 km from the middle of the area, began a volume at 02:53 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 |
|---|---|---|---|
| Jun 28, 10:00 PM CDT | TSTM WND DMG | Colfax, WI | TREES TOPPLED ONTO WIRES/POWER LINES. |
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 00:00Z, 2.8 hours before the alert went out and 154 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
- 40 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
106
WUUS53 KMPX 290250
SVRMPX
WIC005-017-033-290315-
/O.NEW.KMPX.SV.W.0029.200629T0250Z-200629T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
950 PM CDT Sun Jun 28 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Dunn County in west central Wisconsin...
Southwestern Chippewa County in west central Wisconsin...
Southeastern Barron County in northwestern Wisconsin...
* Until 1015 PM CDT.
* At 950 PM CDT, a severe thunderstorm was located near Colfax, or 13
miles northeast of Menomonie, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Menomonie, Bloomer, Colfax, Elk Mound, New Auburn, Dallas, Wheeler,
Tilden, Sand Creek, Tainter Lake, Hoffman Hills Rec Area and
Eagleton.
This includes the following highways...
Interstate 94 in Wisconsin between mile markers 55 and 56.
U.S. Highway 53 between mile markers 102 and 126.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4486 9164 4485 9166 4502 9197 4536 9178
4509 9125
TIME...MOT...LOC 0250Z 232DEG 29KT 4504 9171
HAIL...0.88IN
WIND...60MPH
$$
ETA1 follow-up statement
995
WWUS53 KMPX 290305
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1005 PM CDT Sun Jun 28 2020
WIC005-017-033-290315-
/O.CON.KMPX.SV.W.0029.000000T0000Z-200629T0315Z/
Dunn WI-Chippewa WI-Barron WI-
1005 PM CDT Sun Jun 28 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHEASTERN DUNN...WEST CENTRAL CHIPPEWA AND SOUTHEASTERN BARRON
COUNTIES...
At 1005 PM CDT, a severe thunderstorm was located near Bloomer, or 18
miles north of Eau Claire, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Menomonie, Bloomer, Colfax, New Auburn, Dallas, Wheeler, Tilden, Sand
Creek, Tainter Lake, Hoffman Hills Rec Area and Eagleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4492 9159 4488 9172 4502 9197 4536 9178
4509 9125
TIME...MOT...LOC 0305Z 232DEG 29KT 4512 9157
HAIL...0.75IN
WIND...60MPH
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:06 PM CDT | Tornado Warning | MPX | Pierce | 24 min |
| Jun 28, 7:30 PM CDT | Special Weather Statement | MPX | Pierce | 30 min |
| Jun 28, 7:49 PM CDT | Special Weather Statement | MPX | Pierce | 41 min |
| Jun 28, 7:51 PM CDT | Tornado Warning | MPX | Pierce | 24 min |
| Jun 28, 8:31 PM CDT | Special Weather Statement | MPX | Pierce | 29 min |
| Jun 28, 8:43 PM CDT | Special Weather Statement | MPX | Pierce | 17 min |
| Jun 28, 8:59 PM CDT | Special Weather Statement | MPX | Dunn | 61 min |
| Jun 28, 10:14 PM CDT | Special Weather Statement | MPX | Rusk | 46 min |
| Jun 29, 1:31 AM CDT | Flash Flood Watch | MPX | Barron, Chippewa, Dunn, Pierce, Polk, Rusk and 1 more | 10 hr |
| Jun 29, 2:04 AM CDT | Flash Flood Warning | MPX | Barron, Dunn, Pierce, Saint Croix | 5 hr |
| Jun 29, 4:33 AM CDT | Special Weather Statement | MPX | Pierce, Saint Croix | 57 min |
| Jun 29, 4:53 AM CDT | Flash Flood Warning | MPX | Dunn, Pierce, Saint Croix | 3 hr |
| Jun 29, 5:08 AM CDT | Special Weather Statement | MPX | Chippewa, Pepin, Rusk | 67 min |
| Jun 29, 6:48 AM CDT | Areal Flood Warning | MPX | Barron, Dunn, Pierce, Polk, Saint Croix | 10 hr |
| Jun 29, 7:40 AM CDT | Areal Flood Warning | MPX | Dunn, Pierce, Saint Croix | 5 hr |
| Jun 29, 12:49 PM CDT | Areal Flood Warning | MPX | Dunn, Pierce, Saint Croix | 3 hr |
| Jun 29, 4:58 PM CDT | Areal Flood Warning | MPX | Pierce, Saint Croix | 17 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2020Every severe thunderstorm warning in 2020
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.