Alert archive / Minnesota / Tornado Warnings in 2009
Tornado Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 18, 2009, 2:54 PM CDT for Todd County, Minnesota. It was in force for 51 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
- Jun 18, 2009, 2:54 PM CDT (19:54 UTC)
- Expired
- Jun 18, 2009, 3:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Todd County, MN
The radar
The Minneapolis radar (KMPX), 152 km from the middle of the area, began a volume at 19:55 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 |
|---|---|---|---|
| Jun 18, 3:30 PM CDT | HAIL 0.75 | 3 Nnw Little Sauk, MN |
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 |
|---|---|---|---|
| Jun 18, 1:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.9 hours before the alert went out and 150 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
- 1400 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KMPX 181954
TORMPX
MNC153-182045-
/O.NEW.KMPX.TO.W.0011.090618T1954Z-090618T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
254 PM CDT THU JUN 18 2009
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN TODD COUNTY IN CENTRAL MINNESOTA...
* UNTIL 345 PM CDT
* AT 251 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 8 MILES NORTHWEST
OF WEST UNION...OR ABOUT 3 MILES WEST OF OSAKIS...AND MOVING EAST
AT 25 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
WEST UNION...
LITTLE SAUK...
PLEASANT BEACH...
NORTH SHORE...
GREY EALGE...
GREY EAGLE...
BURTRUM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FUNNEL CLOUDS HAVE BEEN REPORTED WITH THIS STORM. A TORNADO WARNING
REMAINS IN EFFECT FOR SOUTHEASTERN DOUGLAS COUNTY UNTIL 315 PM CD.
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 4594 9465 4578 9465 4577 9502 4577 9514
4596 9514
TIME...MOT...LOC 1954Z 277DEG 20KT 4586 9519
$$
TRH2 follow-up statements
000
WWUS53 KMPX 182018
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
318 PM CDT THU JUN 18 2009
MNC153-182045-
/O.CON.KMPX.TO.W.0011.000000T0000Z-090618T2045Z/
TODD MN-
318 PM CDT THU JUN 18 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN
TODD COUNTY...
AT 316 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED 4 MILES NORTH OF WEST UNION...OR ABOUT 3 MILES SOUTHEAST
OF OSAKIS... AND MOVING EAST AT 20 MPH. AN ADDITIONAL STRONG
THUNDERSTORM WAS LOCATED JUST SOUTH OF UNION. THIS STORM WAS MOVING
NORTHEAST... AND WILL ALSO IMPACT SOUTHERN TODD COUNTY THROUGH 345
PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE...LITTLE SAUK...GREY EAGLE AND
GREY EALGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA.
&&
LAT...LON 4594 9465 4578 9465 4577 9502 4577 9514
4596 9514
TIME...MOT...LOC 2017Z 272DEG 15KT 4585 9510
$$
TRH000
WWUS53 KMPX 182036
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
336 PM CDT THU JUN 18 2009
MNC153-182045-
/O.CON.KMPX.TO.W.0011.000000T0000Z-090618T2045Z/
TODD MN-
336 PM CDT THU JUN 18 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN
TODD COUNTY...
AT 332 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS
LOCATED NEAR WEST UNION...OR ABOUT 5 MILES NORTHWEST OF SAUK
CENTRE...AND MOVING EAST AT 15 MPH. THE STORM WHICH ORIGINALLY
PROMPTED THE WARNING HAS WEAKENED... BUT THIS NEW STORM IS ALSO
SEVERE AND CAPABLE OF PRODUCING A TORNADO.
OTHER LOCATIONS IN THE WARNING INCLUDE...LITTLE SAUK.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA.
&&
LAT...LON 4594 9465 4579 9465 4578 9466 4577 9502
4578 9514 4584 9514
TIME...MOT...LOC 2036Z 248DEG 14KT 4578 9503
$$
TRHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:12 PM CDT | Tornado Warning | MPX | Blue Earth, Faribault, Martin, Waseca, Watonwan | 33 min |
| Jun 17, 7:14 PM CDT | Tornado Warning | MPX | Le Sueur, Rice | 31 min |
| Jun 17, 7:16 PM CDT | Tornado Warning | MPX | Freeborn, Steele | 44 min |
| Jun 17, 7:49 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Steele, Waseca | 56 min |
| Jun 17, 8:04 PM CDT | Tornado Warning | MPX | Rice, Steele, Waseca | 26 min |
| Jun 17, 8:24 PM CDT | Tornado Warning | MPX | Steele | 33 min |
| Jun 17, 9:22 PM CDT | Special Weather Statement | MPX | Goodhue | 113 min |
| Jun 17, 9:53 PM CDT | Special Weather Statement | MPX | Chisago, Dakota, Goodhue, Ramsey, Washington | 97 min |
| Jun 17, 10:48 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Washington | 42 min |
| Jun 17, 11:08 PM CDT | Special Weather Statement | MPX | Dakota | 52 min |
| Jun 17, 11:20 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 min |
| Jun 18, 12:55 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 50 min |
| Jun 18, 1:50 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 55 min |
| Jun 18, 2:27 PM CDT | Tornado Warning | MPX | Douglas | 48 min |
| Jun 18, 2:37 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 53 min |
| Jun 18, 3:33 PM CDT | Special Weather Statement | MPX | Stearns | 57 min |
| Jun 18, 3:41 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 64 min |
| Jun 18, 3:48 PM CDT | Special Weather Statement | MPX | Todd | 57 min |
| Jun 18, 4:16 PM CDT | Special Weather Statement | MPX | Morrison | 59 min |
| Jun 18, 4:47 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns | 43 min |
| Jun 18, 5:13 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 62 min |
| Jun 18, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 56 min |
| Jun 18, 6:32 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 58 min |
| Jun 18, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 61 min |
Nearby
Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009
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.