Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 111, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 2011, 8:27 PM CDT for Dakota County, Goodhue County, Washington County, Minnesota; 4 counties in Wisconsin. It was in force for 63 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
- Jul 1, 2011, 8:27 PM CDT (01:27 UTC)
- Expired
- Jul 1, 2011, 9:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Dakota County, MN, Goodhue County, MN, Washington County, MN, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 01:30 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 1, 9:30 PM CDT | TSTM WND DMG | Eau Galle, WI | TREE DOWN ACROSS ROAD. |
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 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 106 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
- 4059 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 20.8
The text
As transmitted, in the capitals the NWS used until 2016.
372
WUUS53 KMPX 020127
SVRMPX
MNC037-049-163-WIC033-091-093-109-020230-
/O.NEW.KMPX.SV.W.0111.110702T0127Z-110702T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
827 PM CDT FRI JUL 1 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 930 PM CDT
* AT 825 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WOODBURY TO
RUSKIN...AND MOVING EAST AT 55 MPH.
LOCATIONS IN THE WARNING INCLUDE...
RIVER FALLS...
RED WING...
ELLSWORTH...
MENOMONIE...
DURAND...
HAMPTON...
WOODBURY...
COTTAGE GROVE...
VERMILLION...
STANTON...
DENNISON...
NEW TRIER...
HASTINGS...
KENYON...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4459 9201 4440 9209 4445 9225 4445 9241
4437 9242 4435 9254 4419 9256 4419 9304
4444 9304 4498 9290 4500 9165 4459 9165
TIME...MOT...LOC 0127Z 255DEG 48KT 4494 9289 4423 9310
WIND...HAIL 70MPH <.75IN
$$
JC2 follow-up statements
549
WWUS53 KMPX 020200
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
900 PM CDT FRI JUL 1 2011
MNC037-163-020215-
/O.CAN.KMPX.SV.W.0111.000000T0000Z-110702T0230Z/
DAKOTA MN-WASHINGTON MN-
900 PM CDT FRI JUL 1 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON AND
EASTERN DAKOTA COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4459 9201 4440 9209 4445 9225 4445 9241
4437 9242 4435 9254 4419 9256 4419 9304
4452 9302 4451 9293 4455 9291 4455 9280
4463 9280 4463 9274 4471 9273 4475 9280
4498 9277 4500 9165 4459 9165
TIME...MOT...LOC 0200Z 255DEG 50KT 4499 9240 4428 9263
$$
MNC049-WIC033-091-093-109-020230-
/O.CON.KMPX.SV.W.0111.000000T0000Z-110702T0230Z/
GOODHUE MN-DUNN WI-PEPIN WI-ST. CROIX WI-PIERCE WI-
900 PM CDT FRI JUL 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIERCE...
SOUTHERN ST. CROIX...PEPIN...SOUTHERN DUNN AND GOODHUE COUNTIES UNTIL
930 PM CDT...
AT 857 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
HAMMOND TO ZUMBROTA...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
MENOMONIE...DURAND...BALDWIN...MARTEL...BAY CITY...ESDAILE...
BELLECHESTER...WOODVILLE...HERSEY...SPRING VALLEY...FRONTENAC...
MAIDEN ROCK...WILSON...STOCKHOLM AND ELMWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4459 9201 4440 9209 4445 9225 4445 9241
4437 9242 4435 9254 4419 9256 4419 9304
4452 9302 4451 9293 4455 9291 4455 9280
4463 9280 4463 9274 4471 9273 4475 9280
4498 9277 4500 9165 4459 9165
TIME...MOT...LOC 0200Z 255DEG 50KT 4499 9240 4428 9263
WIND...HAIL 70MPH <.75IN
$$
JC599
WWUS53 KMPX 020223
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
923 PM CDT FRI JUL 1 2011
MNC049-WIC033-091-093-109-020230-
/O.CON.KMPX.SV.W.0111.000000T0000Z-110702T0230Z/
GOODHUE MN-DUNN WI-PEPIN WI-ST. CROIX WI-PIERCE WI-
923 PM CDT FRI JUL 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
PIERCE...SOUTHEASTERN ST. CROIX...PEPIN...SOUTHERN DUNN AND EASTERN
GOODHUE COUNTIES UNTIL 930 PM CDT...
AT 920 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
KNAPP TO 9 MILES EAST OF MAZEPPA...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
MENOMONIE...DURAND...PEPIN...PORCUPINE...EAU GALLE...ARKANSAW...
ELLA...TAINTER LAKE...ELK MOUND...ROCK FALLS AND CARYVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4459 9201 4440 9209 4445 9225 4445 9241
4437 9242 4436 9245 4435 9254 4421 9254
4419 9256 4419 9269 4499 9239 4500 9166
4459 9165
TIME...MOT...LOC 0223Z 254DEG 46KT 4500 9205 4429 9230
WIND...HAIL 70MPH <.75IN
$$
JCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 7:10 PM CDT | Special Weather Statement | MPX | Chisago | 35 min |
| Jul 1, 7:23 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, McLeod, Nicollet, Scott, Sibley | 37 min |
| Jul 1, 7:24 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 66 min |
| Jul 1, 7:30 PM CDT | Areal Flood Warning | MPX | Meeker | 3 hr |
| Jul 1, 7:38 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Waseca | 37 min |
| Jul 1, 7:39 PM CDT | Areal Flood Warning | MPX | Benton, Morrison | 3 hr |
| Jul 1, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 45 min |
| Jul 1, 7:49 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Dakota, Hennepin, Le Sueur, Ramsey and 4 more | 56 min |
| Jul 1, 7:59 PM CDT | Areal Flood Advisory | MPX | Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more | 105 min |
| Jul 1, 8:03 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 3 more | 57 min |
| Jul 1, 8:31 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti, Washington | 59 min |
| Jul 1, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 61 min |
| Jul 1, 9:30 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Rusk | 75 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2011Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning 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.