Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 16, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 9, 2017, 9:30 PM CDT for Chippewa County, Dunn County, Wisconsin. It was in force for 30 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
- Apr 9, 2017, 9:30 PM CDT (02:30 UTC)
- Expired
- Apr 9, 2017, 10:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Chippewa County, WI, Dunn County, WI
The radar
The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 02:34 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 |
|---|---|---|---|
| Apr 9, 9:01 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 155 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
- 1596 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 450 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
704
WUUS53 KMPX 100230
SVRMPX
WIC017-033-100300-
/O.NEW.KMPX.SV.W.0016.170410T0230Z-170410T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
930 PM CDT SUN APR 9 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Central Dunn County in west central Wisconsin...
Southwestern Chippewa County in west central Wisconsin...
* Until 1000 PM CDT
* At 929 PM CDT, a severe thunderstorm was located over Menomonie,
moving east at 50 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Menomonie, Chippewa Falls, Bloomer, Tilden, Colfax, Elk Mound,
Knapp, Cedar Falls and Tainter Lake.
This includes the following highways...
Interstate 94 in Wisconsin between mile markers 37 and 56.
U.S. Highway 53 between mile markers 93 and 112.
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 4486 9140 4485 9148 4486 9165 4483 9166
4480 9199 4497 9207 4515 9141
TIME...MOT...LOC 0229Z 250DEG 43KT 4491 9193
HAIL...1.25IN
WIND...<50MPH
$$
ETA1 follow-up statement
242
WWUS53 KMPX 100248
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
948 PM CDT SUN APR 9 2017
WIC017-033-100300-
/O.CON.KMPX.SV.W.0016.000000T0000Z-170410T0300Z/
Dunn WI-Chippewa WI-
948 PM CDT SUN APR 9 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR EAST CENTRAL DUNN AND SOUTHWESTERN CHIPPEWA COUNTIES...
At 947 PM CDT, a severe thunderstorm was located near Colfax, or 12
miles west of Chippewa Falls, moving east at 50 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Bloomer, Colfax, Elk Mound and Tainter Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4486 9140 4485 9148 4486 9165 4483 9166
4482 9174 4502 9181 4511 9141
TIME...MOT...LOC 0247Z 250DEG 43KT 4499 9163
HAIL...1.00IN
WIND...<50MPH
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 8:31 PM CDT | Special Weather Statement | MPX | Pierce | 29 min |
| Apr 9, 8:58 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pierce, Saint Croix | 32 min |
| Apr 9, 9:57 PM CDT | Special Weather Statement | MPX | Chippewa | 33 min |
| Apr 9, 10:32 PM CDT | Special Weather Statement | MPX | Chippewa | 13 min |
| Apr 9, 10:49 PM CDT | Special Weather Statement | MPX | Rusk | 41 min |
| Apr 9, 11:23 PM CDT | Special Weather Statement | MPX | Eau Claire | 37 min |
| Apr 9, 11:43 PM CDT | Special Weather Statement | MPX | Eau Claire | 32 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.