Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 44, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 1, 2011, 7:13 AM CDT for Douglas County, Pope County, Minnesota. It was in force for 47 min. 3 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
- Aug 1, 2011, 7:13 AM CDT (12:13 UTC)
- Expired
- Aug 1, 2011, 8:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Douglas County, MN, Pope County, MN
The radar
The Minneapolis radar (KMPX), 177 km from the middle of the area, began a volume at 12:16 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 |
|---|---|---|---|
| Aug 1, 7:14 AM CDT | HAIL 0.75 | 3 Se Holmes, MN | |
| Aug 1, 7:30 AM CDT | TSTM WND DMG | Glenwood, MN | POWER LINES DOWN...LARGE TREES UPROOTED...WIDESPREAD TREE DAMAGE AROUND TOWN. TIME ESTIMATED. |
| Aug 1, 7:45 AM CDT | TSTM WND DMG | Holmes, MN | NUMEROUS TREES AND POWER LINES DOWN ACROSS SOUTHERN AND WESTERN DOUGLAS COUNTY...MORE REPORTS WILL FOLLOW. |
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 |
|---|---|---|---|
| Aug 1, 4:57 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 0.2 hours before the alert went out and 174 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
- 2974 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
326 WFUS53 KMPX 011213 TORMPX MNC041-121-011300- /O.NEW.KMPX.TO.W.0044.110801T1213Z-110801T1300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 713 AM CDT MON AUG 1 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA... NORTHERN POPE COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 800 AM CDT * AT 712 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 4 MILES SOUTHEAST OF HOLMES...OR ABOUT 5 MILES NORTH OF LOWRY. RADAR SHOWED THE SEVERE STORM MOVING EAST AT 15 MPH. * LOCATIONS IN THE WARNING INCLUDE... GLENWOOD... KENSINGTON... LOWRY... LONG BEACH... FORADA... HOLMES... FARWELL... VILLARD... 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4584 9516 4554 9535 4572 9575 4589 9562 TIME...MOT...LOC 1213Z 281DEG 14KT 4578 9550 $$
1 follow-up statement
749 WWUS53 KMPX 011245 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 745 AM CDT MON AUG 1 2011 MNC041-121-011300- /O.CON.KMPX.TO.W.0044.000000T0000Z-110801T1300Z/ DOUGLAS MN-POPE MN- 745 AM CDT MON AUG 1 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL POPE AND SOUTH CENTRAL DOUGLAS COUNTIES UNTIL 800 AM CDT... AT 741 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR GLENWOOD...MOVING EAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... VILLARD. LAT...LON 4582 9518 4554 9535 4565 9558 4586 9539 TIME...MOT...LOC 1245Z 286DEG 13KT 4568 9537 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 6:25 AM CDT | Areal Flood Advisory | MPX | Douglas, Pope, Stevens | 6 hr |
| Aug 1, 6:45 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens, Todd | 45 min |
| Aug 1, 7:27 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Kandiyohi, Morrison, Pope, Stearns, Todd | 63 min |
| Aug 1, 8:13 AM CDT | Areal Flood Advisory | MPX | Kandiyohi, Meeker, Pope, Stearns | 3 hr |
| Aug 1, 9:00 AM CDT | Special Weather Statement | MPX | Benton, Sherburne, Stearns, Wright | 60 min |
| Aug 1, 9:39 AM CDT | Flash Flood Warning | MPX | Douglas, Pope | 3 hr |
| Aug 1, 9:44 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 46 min |
| Aug 1, 10:53 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Kandiyohi, Stearns | 67 min |
| Aug 1, 11:09 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Stearns | 66 min |
| Aug 1, 11:53 AM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Stearns, Wright | 67 min |
| Aug 1, 12:03 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Meeker, Renville, Sibley | 57 min |
| Aug 1, 12:45 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 45 min |
| Aug 1, 1:01 PM CDT | Areal Flood Advisory | MPX | Carver, Dakota, Hennepin, Ramsey, Scott | 3 hr |
| Aug 1, 1:18 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Le Sueur, Rice, Scott, Sibley | 57 min |
| Aug 1, 1:25 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Washington | 65 min |
| Aug 1, 2:02 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue, Le Sueur, Rice, Steele, Waseca | 58 min |
| Aug 1, 3:04 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 37 min |
| Aug 1, 3:54 PM CDT | Special Weather Statement | MPX | Anoka, Chisago, Isanti, Mille Lacs | 51 min |
Nearby
Tornado Warnings in Minnesota, 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.