Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 40, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 19, 2011, 7:29 PM CDT for Barron County, Wisconsin. It was in force for 61 min. 5 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
- Jul 19, 2011, 7:29 PM CDT (00:29 UTC)
- Expired
- Jul 19, 2011, 8:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Barron County, WI
The radar
The Minneapolis radar (KMPX), 143 km from the middle of the area, began a volume at 00:29 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 |
|---|---|---|---|
| Jul 19, 7:47 PM CDT | FUNNEL CLOUD | Turtle Lake, WI | |
| Jul 19, 7:51 PM CDT | FUNNEL CLOUD | 4 S Turtle Lake, WI | FUNNEL APPEARS TO HAVE GONE BACK UP. |
| Jul 19, 7:52 PM CDT | TSTM WND DMG | Turtle Lake, WI | TREE DAMAGE |
| Jul 19, 7:56 PM CDT | TSTM WND DMG | 1 E Clayton, WI | LARGE BRANCHES DOWN. STRONG WIND LASTED FOR 10-15 MINUTES. |
| Jul 19, 8:15 PM CDT | HAIL 1 | Comstock, WI |
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 |
|---|---|---|---|
| Jul 19, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 145 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
- 5426 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1247 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 330 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 44.6
The text
As transmitted, in the capitals the NWS used until 2016.
679 WFUS53 KMPX 200029 TORMPX WIC005-200130- /O.NEW.KMPX.TO.W.0040.110720T0029Z-110720T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 729 PM CDT TUE JUL 19 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... WESTERN BARRON COUNTY IN NORTHWEST WISCONSIN... * UNTIL 830 PM CDT * AT 729 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 9 MILES NORTHWEST OF COMSTOCK...OR ABOUT 4 MILES SOUTHWEST OF MCKINLEY...AND MOVING SOUTHEAST AT 20 MPH. * LOCATIONS IN THE WARNING INCLUDE... CUMBERLAND... COMSTOCK... TURTLE LAKE... PRAIRIE FARM... ALMENA... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. && LAT...LON 4563 9180 4521 9196 4524 9215 4564 9215 TIME...MOT...LOC 0030Z 306DEG 18KT 4553 9223 $$ DWE
2 follow-up statements
848 WWUS53 KMPX 200049 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 749 PM CDT TUE JUL 19 2011 WIC005-200130- /O.CON.KMPX.TO.W.0040.000000T0000Z-110720T0130Z/ BARRON WI- 749 PM CDT TUE JUL 19 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN BARRON COUNTY UNTIL 830 PM CDT... AT 747 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL. THIS FUNNEL WAS LOCATED NEAR TURTLE LAKE...OR 12 MILES NORTHEAST OF AMERY...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... PRAIRIE FARM AND ALMENA. LAT...LON 4563 9180 4521 9196 4524 9215 4564 9215 TIME...MOT...LOC 0049Z 306DEG 18KT 4539 9213 $$ DWE
317 WWUS53 KMPX 200100 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 800 PM CDT TUE JUL 19 2011 WIC005-200130- /O.CON.KMPX.TO.W.0040.000000T0000Z-110720T0130Z/ BARRON WI- 800 PM CDT TUE JUL 19 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN BARRON COUNTY UNTIL 830 PM CDT... AT 756 PM CDT...TRAINED WEATHER SPOTTERS REPORTED STRONG ROTATION. THE SEVERE STORM WAS LOCATED NEAR TURTLE LAKE...OR 14 MILES EAST OF AMERY...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... PRAIRIE FARM. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. && LAT...LON 4563 9180 4521 9196 4524 9215 4564 9215 TIME...MOT...LOC 0100Z 306DEG 18KT 4536 9207 $$ DWE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:06 PM CDT | Tornado Warning | MPX | Polk | 39 min |
| Jul 19, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 44 min |
| Jul 19, 8:16 PM CDT | Areal Flood Advisory | MPX | Barron, Chippewa, Dunn, Rusk | 3 hr |
| Jul 19, 8:37 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Eau Claire | 53 min |
| Jul 19, 8:40 PM CDT | Flash Flood Warning | MPX | Barron, Chippewa, Dunn, Rusk | 3 hr |
| Jul 19, 9:42 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 37 min |
Nearby
Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011
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.