Alert archive / Minnesota / Tornado Warnings in 2010
Tornado Warning 74, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 17, 2010, 8:10 PM CDT for 4 counties in Minnesota. It was in force for 35 min. 15 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, 8:10 PM CDT (01:10 UTC)
- Expired
- Jul 17, 2010, 8:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 48 km from the middle of the area, began a volume at 01:10 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, 8:15 PM CDT | TSTM WND DMG | Maple Grove, MN | ABOUT A HALF DOZEN TREES WITH SIX INCH PLUS BRANCHES DOWN ALONG COUNTY RD 50. WIND ESTIMATED 60 MPH. |
| Jul 17, 8:20 PM CDT | FUNNEL CLOUD | Champlin, MN | ROTATING WLL CALL AT US 169 AND ELM CREEK ST. |
| Jul 17, 8:20 PM CDT | FUNNEL CLOUD | Dayton, MN | OBSCURRED BY TREE LINE |
| Jul 17, 8:20 PM CDT | TSTM WND GST 50 | Maple Grove, MN | |
| Jul 17, 8:20 PM CDT | TORNADO | Dayton, MN | IN TOWN REPORTS TO BE MOVING EAST. |
| Jul 17, 8:25 PM CDT | TSTM WND DMG | 5 Wnw Roseville, MN | MULTIPLE LARGE TREES DOWN... TIME ESTIMATED |
| Jul 17, 8:27 PM CDT | TORNADO | Anoka, MN | UNCONFIRMED |
| Jul 17, 8:33 PM CDT | TSTM WND DMG | Blaine, MN | 18 TO 24 INCH TREES DOWN AT BLAINE CITY HALL RADISSON ROAD |
| Jul 17, 8:42 PM CDT | TSTM WND DMG | Anoka, MN | 8 INCH TRESS SNAPPED ON VIKING BLVD |
| Jul 17, 8:45 PM CDT | TSTM WND DMG | 1 N White Bear Lake, MN | SEVERAL 6 TO 12 INCH DIAMETER TREES DOWN ALONG HWY 61 AND CITY WITHOUT POWER. TIME ESTIMATED |
| Jul 17, 8:45 PM CDT | TSTM WND DMG | Andover, MN | MULTIPLE LARGE TREES DOWN |
| Jul 17, 8:48 PM CDT | TSTM WND DMG | 5 N Roseville, MN | 8 INCH TREES DOWN |
| Jul 17, 8:48 PM CDT | TSTM WND DMG | Blaine, MN | 20 TO 24 INCH TREE DOWN AT 242 AND HWY 65 |
| Jul 17, 8:52 PM CDT | TSTM WND DMG | Blaine, MN | 5 INCH TREE LIMBS DOWN |
| Jul 17, 8:52 PM CDT | TSTM WND DMG | Champlin, MN | 8 INCH PINE TREE LIMB 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 |
|---|---|---|---|
| Jul 17, 12:28 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.2 hours before the alert went out and 50 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
- 1779 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1367 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 618 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
914 WFUS53 KMPX 180110 TORMPX MNC003-053-123-163-180145- /O.NEW.KMPX.TO.W.0074.100718T0110Z-100718T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 810 PM CDT SAT JUL 17 2010 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA... NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA... NORTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... NORTHERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 845 PM CDT * AT 806 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO 2 MILES WEST OF ROGERS. RADAR SHOWED THE TORNADIC STORM MOVING EAST AT 40 MPH. * LOCATIONS IN THE WARNING INCLUDE... DAYTON... MAPLE GROVE... OSSEO... ANOKA... CHAMPLIN... BROOKLYN PARK... ANDOVER... COON RAPIDS... OAK PARK... SPRING LAKE PARK... HAM LAKE... BLAINE... 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 900 PM CDT SATURDAY EVENING FOR SOUTHERN MINNESOTA AND NORTHWESTERN WISCONSIN. && LAT...LON 4529 9296 4507 9298 4511 9366 4526 9350 TIME...MOT...LOC 0111Z 273DEG 36KT 4519 9352 $$ JLT
2 follow-up statements
668 WWUS53 KMPX 180119 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 819 PM CDT SAT JUL 17 2010 MNC003-053-123-163-180145- /O.CON.KMPX.TO.W.0074.000000T0000Z-100718T0145Z/ ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN- 819 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN RAMSEY...NORTHERN HENNEPIN...NORTHWESTERN WASHINGTON AND SOUTHERN ANOKA COUNTIES UNTIL 845 PM CDT... AT 815 PM CDT...NATIONAL WEATHER SERVICE RADAR WAS TRACKING A CONFIRMED TORNADO. THIS TORNADO WAS LOCATED IN DAYTON...OR 18 MILES NORTHWEST OF MINNEAPOLIS...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... ANOKA...CHAMPLIN...BROOKLYN PARK...ANDOVER...COON RAPIDS...OAK PARK...SPRING LAKE PARK...HAM LAKE...BLAINE...MOUNDS VIEW... LEXINGTON...CIRCLE PINES...SHOREVIEW...NORTH OAKS...LINO LAKES... CENTERVILLE AND FOREST LAKE. LAT...LON 4529 9296 4507 9298 4511 9366 4526 9350 TIME...MOT...LOC 0119Z 273DEG 36KT 4519 9341 $$ JLT
781 WWUS53 KMPX 180127 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 827 PM CDT SAT JUL 17 2010 MNC003-053-123-163-180145- /O.CON.KMPX.TO.W.0074.000000T0000Z-100718T0145Z/ ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN- 827 PM CDT SAT JUL 17 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN RAMSEY...NORTHERN HENNEPIN...NORTHWESTERN WASHINGTON AND SOUTHERN ANOKA COUNTIES UNTIL 845 PM CDT... AT 824 PM CDT...THE PUBLIC REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR ANOKA...OR 15 MILES NORTH OF MINNEAPOLIS...MOVING EAST AT 55 MPH. LOCATIONS IMPACTED INCLUDE... BLAINE...MOUNDS VIEW...LEXINGTON...CIRCLE PINES...SHOREVIEW...LINO LAKES...NORTH OAKS...CENTERVILLE AND FOREST LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && LAT...LON 4529 9296 4507 9298 4511 9366 4526 9350 TIME...MOT...LOC 0127Z 279DEG 48KT 4517 9324 $$ JLT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:13 PM CDT | Tornado Warning | MPX | Mille Lacs, Morrison | 62 min |
| Jul 17, 7:15 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville, Stearns | 60 min |
| Jul 17, 7:27 PM CDT | Tornado Warning | MPX | Benton, Mille Lacs, Sherburne, Stearns | 48 min |
| Jul 17, 7:33 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Sherburne, Stearns, Wright | 57 min |
| Jul 17, 7:34 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 41 min |
| Jul 17, 7:38 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti, Kanabec | 52 min |
| Jul 17, 8:00 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Hennepin, Ramsey, Sherburne, Washington and 1 more | 60 min |
| Jul 17, 8:21 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Hennepin, Ramsey, Scott, Washington | 54 min |
| Jul 17, 8:34 PM CDT | Tornado Warning | MPX | Anoka, Chisago, Ramsey, Washington | 26 min |
| Jul 17, 8:51 PM CDT | Tornado Warning | MPX | Chisago, Washington | 24 min |
| Jul 17, 9:08 PM CDT | Areal Flood Advisory | MPX | Anoka, Dakota, Hennepin, Ramsey, Washington | 6 hr |
| Jul 17, 9:26 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Pope, Stearns | 51 min |
| Jul 17, 9:40 PM CDT | Special Weather Statement | MPX | Dakota | 50 min |
| Jul 17, 9:53 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 23 min |
| Jul 17, 10:11 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Martin, Watonwan | 64 min |
| Jul 17, 10:43 PM CDT | Special Weather Statement | MPX | Freeborn | 62 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.