Alert archive / Minnesota / Tornado Warnings in 2010
Tornado Warning 94, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 12, 2010, 6:58 PM CDT for Douglas County, Pope County, Minnesota. It was in force for 47 min. 2 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 12, 2010, 6:58 PM CDT (23:58 UTC)
- Expired
- Aug 12, 2010, 7:45 PM 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), 179 km from the middle of the area, began a volume at 00:00 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 12, 7:30 PM CDT | HAIL 1 | 2 Se Alexandria, MN | |
| Aug 12, 7:52 PM CDT | TSTM WND DMG | N Forada, MN | TREES AND POWER LINES DOWN. |
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 12, 3:22 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 12.0 hours before the alert went out and 176 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
- 1077 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 1195 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
838
WFUS53 KMPX 122358
TORMPX
MNC041-121-130045-
/O.NEW.KMPX.TO.W.0094.100812T2358Z-100813T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
658 PM CDT THU AUG 12 2010
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 745 PM CDT
* AT 655 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES SOUTHWEST
OF KENSINGTON...AND MOVING EAST AT 50 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
GLENWOOD...
ALEXANDRIA...
STARBUCK...
LOWRY...
LONG BEACH...
FORADA...
OSAKIS...
FARWELL...
HOLMES...
VILLARD...
NELSON...
WESTPORT...
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR SOUTHWESTERN MINNESOTA.
&&
LAT...LON 4597 9515 4564 9514 4555 9574 4559 9575
4583 9575
TIME...MOT...LOC 2359Z 252DEG 43KT 4575 9566
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 6:34 AM CDT | Special Weather Statement | MPX | Todd | 41 min |
| Aug 12, 6:40 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 26 min |
| Aug 12, 10:03 AM CDT | Heat Advisory | MPX | Anoka, Blue Earth, Brown, Carver, Dakota, Faribault and 16 more | 9 hr |
| Aug 12, 4:37 PM CDT | Flash Flood Watch | MPX | Anoka, Carver, Chisago, Dakota, Freeborn, Goodhue and 9 more | 29 hr |
| Aug 12, 5:28 PM CDT | Tornado Warning | MPX | Lac qui Parle, Swift | 62 min |
| Aug 12, 5:34 PM CDT | Special Weather Statement | MPX | Redwood | 56 min |
| Aug 12, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood, Renville, Yellow Medicine | 65 min |
| Aug 12, 6:18 PM CDT | Tornado Warning | MPX | Chippewa, Lac qui Parle, Swift | 42 min |
| Aug 12, 6:19 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 56 min |
| Aug 12, 6:21 PM CDT | Tornado Warning | MPX | Stevens | 24 min |
| Aug 12, 6:28 PM CDT | Tornado Warning | MPX | Chippewa, Lac qui Parle, Swift | 47 min |
| Aug 12, 6:35 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Chippewa, Kandiyohi, McLeod, Meeker, Redwood and 4 more | 55 min |
| Aug 12, 6:40 PM CDT | Areal Flood Advisory | MPX | Lac qui Parle, Swift | 6 hr |
| Aug 12, 6:47 PM CDT | Tornado Warning | MPX | Stevens | 28 min |
| Aug 12, 6:52 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, McLeod, Nicollet, Sibley | 53 min |
Nearby
Tornado Warnings in Minnesota, 2010Every tornado warning in 2010Tornadoes in 2010
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.