Alert archive / Minnesota / Tornado Warnings in 2010
Tornado Warning 67, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 17, 2010, 4:58 PM CDT for Carver County, Hennepin County, Wright County, Minnesota. It was in force for 47 min. 14 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
- Jul 17, 2010, 4:58 PM CDT (21:58 UTC)
- Expired
- Jul 17, 2010, 5:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Carver County, MN, Hennepin County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 15 km from the middle of the area, began a volume at 22:01 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 17, 5:01 PM CDT | TORNADO | 2 Sw Watertown, MN | NEAR COUNTY ROAD 122. |
| Jul 17, 5:05 PM CDT | HAIL 0.75 | Watertown, MN | |
| Jul 17, 5:08 PM CDT | HAIL 1.75 | 4 E Watertown, MN | |
| Jul 17, 5:11 PM CDT | HAIL 1 | Watertown, MN | |
| Jul 17, 5:12 PM CDT | HAIL 1 | Watertown, MN | |
| Jul 17, 5:12 PM CDT | HAIL 1.75 | Watertown, MN | REPORTED IN NORTHERN PORTION OF TOWN. |
| Jul 17, 5:12 PM CDT | HAIL 1.75 | Watertown, MN | |
| Jul 17, 5:14 PM CDT | HAIL 2.75 | Watertown, MN | |
| Jul 17, 5:15 PM CDT | HAIL 0.25 | St Bonifacius, MN | |
| Jul 17, 5:18 PM CDT | HAIL 1.75 | Minnetrista, MN | |
| Jul 17, 5:21 PM CDT | HAIL 0.75 | St Bonifacius, MN | |
| Jul 17, 5:21 PM CDT | HAIL 2.75 | St Bonifacius, MN | |
| Jul 17, 5:35 PM CDT | TSTM WND DMG | Watertown, MN | STRIPPED CROPS AND DAMAGED SIDING |
| Jul 17, 5:38 PM CDT | TSTM WND DMG | Watertown, MN | DAMAGE REPORTED OF ROOFS...CARS...TREES AND FIELDS |
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 17, 12:28 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 12 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
- 368 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
978 WFUS53 KMPX 172158 TORMPX MNC019-053-171-172245- /O.NEW.KMPX.TO.W.0067.100717T2158Z-100717T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 458 PM CDT SAT JUL 17 2010 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA... WEST CENTRAL HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... CARVER COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 545 PM CDT * AT 457 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 3 MILES WEST OF WATERTOWN. RADAR SHOWED THE TORNADIC STORM MOVING SOUTHEAST AT 25 MPH. * LOCATIONS IN THE WARNING INCLUDE... WATERTOWN... MAYER... MINNETRISTA... ST BONIFACIUS... WACONIA... VICTORIA... COLOGNE... CHASKA... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING FOR SOUTHERN MINNESOTA AND NORTHWESTERN WISCONSIN. && LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2158Z 322DEG 23KT 4497 9390 $$ JLT
5 follow-up statements
094 WWUS53 KMPX 172202 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 502 PM CDT SAT JUL 17 2010 MNC019-053-171-172245- /O.CON.KMPX.TO.W.0067.000000T0000Z-100717T2245Z/ WRIGHT MN-HENNEPIN MN-CARVER MN- 502 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CARVER...WEST CENTRAL HENNEPIN AND SOUTH CENTRAL WRIGHT COUNTIES UNTIL 545 PM CDT... AT 501 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR WATERTOWN...OR 25 MILES EAST OF HUTCHINSON...MOVING SOUTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... MAYER...MINNETRISTA...ST BONIFACIUS...WACONIA...VICTORIA...COLOGNE AND CHASKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2202Z 321DEG 25KT 4494 9387 $$ JLT
728 WWUS53 KMPX 172209 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 509 PM CDT SAT JUL 17 2010 MNC019-053-171-172245- /O.CON.KMPX.TO.W.0067.000000T0000Z-100717T2245Z/ WRIGHT MN-HENNEPIN MN-CARVER MN- 509 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CARVER...WEST CENTRAL HENNEPIN AND SOUTH CENTRAL WRIGHT COUNTIES UNTIL 545 PM CDT... AT 506 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED SOUTH OF WATERTOWN...OR 26 MILES EAST OF HUTCHINSON...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... MAYER...ST BONIFACIUS...MINNETRISTA...WACONIA...COLOGNE...VICTORIA AND CHASKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2209Z 311DEG 17KT 4494 9384 $$ JLT
052 WWUS53 KMPX 172212 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 512 PM CDT SAT JUL 17 2010 MNC019-053-171-172245- /O.CON.KMPX.TO.W.0067.000000T0000Z-100717T2245Z/ WRIGHT MN-HENNEPIN MN-CARVER MN- 512 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CARVER...WEST CENTRAL HENNEPIN AND SOUTH CENTRAL WRIGHT COUNTIES UNTIL 545 PM CDT... AT 511 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED SOUTHEAST OF WATERTOWN...OR 27 MILES EAST OF HUTCHINSON...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... ST BONIFACIUS...WACONIA...MINNETRISTA...COLOGNE...VICTORIA AND CHASKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2213Z 303DEG 17KT 4493 9382 $$ JLT
563 WWUS53 KMPX 172220 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 520 PM CDT SAT JUL 17 2010 MNC019-053-171-172245- /O.CON.KMPX.TO.W.0067.000000T0000Z-100717T2245Z/ WRIGHT MN-HENNEPIN MN-CARVER MN- 520 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CARVER...WEST CENTRAL HENNEPIN AND SOUTH CENTRAL WRIGHT COUNTIES UNTIL 545 PM CDT... AT 515 PM CDT...NATIONAL WEATHER SERVICE RADAR WAS TRACKING A CONFIRMED TORNADO. THIS TORNADO WAS LOCATED WEST OF ST BONIFACIUS...OR 27 MILES WEST OF MINNEAPOLIS...MOVING SOUTHEAST AT 20 MPH. IN ADDITION...AT 510 PM BASEBALL SIZE HAIL WAS REPORTED IN WATERTOWN WITH THIS STORM. IN ADDITION...AT 519 PM... BASEBALL SIZE HAIL WAS REPORTED NORTH OF ST BONIFACIUS. LOCATIONS IMPACTED INCLUDE... ST BONIFACIUS...WACONIA...MINNETRISTA...COLOGNE...VICTORIA AND CHASKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2219Z 303DEG 17KT 4491 9379 $$ JLT
309 WWUS53 KMPX 172244 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 544 PM CDT SAT JUL 17 2010 MNC019-053-171-172255- /O.EXP.KMPX.TO.W.0067.000000T0000Z-100717T2245Z/ WRIGHT MN-HENNEPIN MN-CARVER MN- 544 PM CDT SAT JUL 17 2010 ...THE TORNADO WARNING FOR CARVER...WEST CENTRAL HENNEPIN AND SOUTH CENTRAL WRIGHT COUNTIES HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4483 9353 4471 9382 4497 9402 4505 9386 TIME...MOT...LOC 2245Z 303DEG 17KT 4484 9364 $$ JLT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 12:15 PM CDT | Special Weather Statement | MPX | Kandiyohi, Swift | 60 min |
| Jul 17, 1:08 PM CDT | Special Weather Statement | MPX | Swift | 52 min |
| Jul 17, 1:16 PM CDT | Special Weather Statement | MPX | Todd | 44 min |
| Jul 17, 1:39 PM CDT | Tornado Warning | MPX | Stearns, Todd | 51 min |
| Jul 17, 1:49 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 56 min |
| Jul 17, 1:58 PM CDT | Tornado Warning | MPX | Douglas, Todd | 47 min |
| Jul 17, 2:20 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 40 min |
| Jul 17, 2:48 PM CDT | Special Weather Statement | MPX | Benton | 42 min |
| Jul 17, 2:56 PM CDT | Tornado Warning | MPX | Stearns | 34 min |
| Jul 17, 3:28 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 62 min |
| Jul 17, 3:58 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 62 min |
| Jul 17, 4:19 PM CDT | Tornado Warning | MPX | Carver, Hennepin, Meeker, Wright | 26 min |
| Jul 17, 4:45 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, McLeod, Wright | 60 min |
| Jul 17, 5:10 PM CDT | Tornado Warning | MPX | Morrison, Todd | 65 min |
| Jul 17, 5:44 PM CDT | Special Weather Statement | MPX | Hennepin | 46 min |
| Jul 17, 5:49 PM CDT | Tornado Warning | MPX | Morrison | 41 min |
| Jul 17, 6:12 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift, Yellow Medicine | 63 min |
| Jul 17, 6:25 PM CDT | Tornado Warning | MPX | Mille Lacs, Morrison | 50 min |
| Jul 17, 6:28 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Renville, Swift, Yellow Medicine | 62 min |
| Jul 17, 6:54 PM CDT | Tornado Warning | MPX | Benton, Mille Lacs, Morrison | 51 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.