Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 119, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 10, 2011, 5:32 AM CDT for Dakota County, Goodhue County, Washington County, Minnesota; Pierce County, Saint Croix County, Wisconsin. It was in force for 58 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
- Jul 10, 2011, 5:32 AM CDT (10:32 UTC)
- Expired
- Jul 10, 2011, 6:30 AM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 65.0 mph
Counties Dakota County, MN, Goodhue County, MN, Washington County, MN, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 10:36 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.5 hours before the alert went out and 72 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
- 1607 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
034
WUUS53 KMPX 101032
SVRMPX
MNC037-049-163-WIC093-109-101130-
/O.NEW.KMPX.SV.W.0119.110710T1032Z-110710T1130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
532 AM CDT SUN JUL 10 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
NORTHERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHWESTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 630 AM CDT
* AT 531 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WOODBURY TO
MIESVILLE TO DENNISON...AND MOVING EAST AT 20 MPH.
LOCATIONS IN THE WARNING INCLUDE...
RED WING...
RIVER FALLS...
ELLSWORTH...
WOODBURY...
HASTINGS...
MIESVILLE...
CANNON FALLS...
COTTAGE GROVE...
DENNISON...
NEWPORT...
ST PAUL PARK...
PRESCOTT...
WELCH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4441 9304 4460 9287 4489 9302 4489 9298
4498 9298 4503 9244 4466 9222 4445 9240
4445 9242 4436 9247 4430 9304
TIME...MOT...LOC 1032Z 263DEG 18KT 4490 9289 4461 9273
4438 9295
WIND...HAIL 65MPH <.75IN
$$1 follow-up statement
107
WWUS53 KMPX 101121
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
621 AM CDT SUN JUL 10 2011
MNC037-163-101136-
/O.CAN.KMPX.SV.W.0119.000000T0000Z-110710T1130Z/
DAKOTA MN-WASHINGTON MN-
621 AM CDT SUN JUL 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WASHINGTON AND
EASTERN DAKOTA COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA.
LAT...LON 4434 9271 4456 9258 4470 9250 4500 9267
4503 9244 4466 9222 4445 9240 4445 9242
4436 9247
TIME...MOT...LOC 1121Z 263DEG 18KT 4495 9246 4466 9230
4443 9253
$$
MNC049-WIC093-109-101130-
/O.CON.KMPX.SV.W.0119.000000T0000Z-110710T1130Z/
GOODHUE MN-ST. CROIX WI-PIERCE WI-
621 AM CDT SUN JUL 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
PIERCE...SOUTH CENTRAL ST. CROIX AND EAST CENTRAL GOODHUE COUNTIES
UNTIL 630 AM CDT...
AT 617 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
HAMMOND TO 6 MILES NORTHEAST OF ESDAILE TO GOODHUE...MOVING EAST AT
20 MPH.
LOCATIONS IMPACTED INCLUDE...
HAMMOND AND MAIDEN ROCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4434 9271 4456 9258 4470 9250 4500 9267
4503 9244 4466 9222 4445 9240 4445 9242
4436 9247
TIME...MOT...LOC 1121Z 263DEG 18KT 4495 9246 4466 9230
4443 9253
WIND...HAIL 60MPH <.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 3:15 AM CDT | Special Weather Statement | MPX | Watonwan | 60 min |
| Jul 10, 4:06 AM CDT | Special Weather Statement | MPX | Scott | 39 min |
| Jul 10, 4:22 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Scott, Sibley | 68 min |
| Jul 10, 4:56 AM CDT | Areal Flood Advisory | MPX | Carver, Dakota, Le Sueur, Rice, Scott, Sibley | 3 hr |
| Jul 10, 5:27 AM CDT | Special Weather Statement | MPX | Goodhue | 63 min |
| Jul 10, 6:08 AM CDT | Flash Flood Warning | MPX | Carver, Hennepin, Ramsey | 89 min |
| Jul 10, 6:34 PM CDT | Special Weather Statement | MPX | Douglas, Kandiyohi, Pope, Stearns, Stevens, Swift and 1 more | 86 min |
| Jul 10, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens | 61 min |
| Jul 10, 6:16 AM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce, Saint Croix | 59 min |
| Jul 10, 7:28 AM CDT | Special Weather Statement | MPX | Chippewa, Eau Claire | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Severe Thunderstorm Warnings in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.