Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 30, NWS Twin Cities, MN

July 10, 2008Dakota County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 10, 2008, 1:15 PM CDT for Dakota County, Minnesota. It was in force for 30 min. 6 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 10, 2008, 1:15 PM CDT (18:15 UTC)
Expired: Jul 10, 2008, 1:45 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

County Dakota County, MN

What was reported inside it

Time	Report	Where	Remark
Jul 10, 1:15 PM CDT	TSTM WND DMG	3 Wsw Vermillion, MN	TRACTOR TRAILER FLIPPED ONTO ITS TOP ON RIGHT SIDE OF ROAD ALONG NORTHBOUND HWY 52 BETWEEN COATES AND HAMPTON. CORNFIELDS FLATTENED IN VICINITY. TIME ESTIMATED BY RADAR.
Jul 10, 1:15 PM CDT	TSTM WND DMG	Hampton, MN	NUMEROUS LARGE TREES DOWN IN CITY OF HAMPTON. 2-3 MILES EAST OF HAMPTON ALONG HWY 50 SEVERAL LARGE TREES DOWN ON ROAD AND POWER LINES AND CAR ALSO EITHER DRIVEN OFF ROAD OR BLOWN OFF ROAD INTO FARM FIELD IN SAME AREA. TIME ESTIMATED BASED ON RADAR.
Jul 10, 1:15 PM CDT	TORNADO 0	5 W Vermillion, MN	EF0 TORNADO DETERMINED TO HAVE OCCURRED AS A RESULT OF AN NWS DAMAGE SURVEY. THE 6 MILE LONG PATH BEGAN 5 MILES WEST OF VERMILLION AND ENDED 3 MILES NORTHEAST OF HAMPTON. OCCASIONAL BROKEN TREES WERE NOTED ALONG THE PATH WITH MINOR DAMAGE TO HOUSES AND SHEDS.
Jul 10, 1:20 PM CDT	TSTM WND DMG	New Trier, MN	METAL SHED BLOWN APART AND PIECES OF SHED WRAPPED AROUND TREES. GARAGE OF HOME PARTIALLY COLLAPSED. 2-3 FT TREE UPROOTED. DAMAGE AT HOGAN AVE. TIME ESTIMATED BY RADAR.
Jul 10, 1:22 PM CDT	TSTM WND GST 63	5 Ese Lakeville, MN	63 MPH WIND GUST MEASURED AT FARMINGTON MIDDLE SCHOOL WEST.
Jul 10, 1:25 PM CDT	TSTM WND DMG	Miesville, MN	NUMEROUS TREES DOWN NEARLY BLOCKING HIGHWAY 50. TIME ESTIMATED BY RADAR.

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 10, 12:06 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.3 hours before the alert went out and 60 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1956 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KMPX 101815
TORMPX
MNC037-101845-
/O.NEW.KMPX.TO.W.0030.080710T1815Z-080710T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
115 PM CDT THU JUL 10 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 145 PM CDT

* AT 111 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES NORTHWEST
  OF HAMPTON...OR ABOUT 5 MILES EAST OF FARMINGTON...AND MOVING
  SOUTHEAST AT 45 MPH.

* SOME LOCATIONS INCLUDE...
  RANDOLPH...
  VERMILLION...
  HAMPTON...
  HASTINGS...
  NEW TRIER...
  MIESVILLE...

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 4472 9274 4464 9274 4463 9280 4455 9280
      4454 9291 4452 9293 4452 9303 4448 9306
      4461 9321 4477 9310
TIME...MOT...LOC 1815Z 296DEG 39KT 4465 9302

$$

TRH

1 follow-up statement

000 
WWUS53 KMPX 101847
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
145 PM CDT THU JUL 10 2008

MNC037-101855-
/O.EXP.KMPX.TO.W.0030.000000T0000Z-080710T1845Z/
DAKOTA MN-
145 PM CDT THU JUL 10 2008

...THE TORNADO WARNING FOR SOUTHERN DAKOTA COUNTY EXPIRES AT 145 PM
CDT...

THE SEVERE THUNDERSTORM HAS JUST MOVED OUT OF FAR EASTERN DAKOTA 
COUNTY. HOWEVER...THUNDERSTORMS WERE STILL OVER FAR EASTERN DAKOTA 
COUNTY. 

LAT...LON 4472 9274 4464 9274 4463 9280 4455 9280
      4454 9291 4452 9293 4452 9303 4448 9306
      4461 9321 4477 9310
TIME...MOT...LOC 1815Z 296DEG 39KT 4465 9302

$$

TRH

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 8:21 AM CDT	Severe Thunderstorm Warning	MPX	Stevens	54 min
Jul 10, 9:25 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	48 min
Jul 10, 11:55 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Meeker, Wright	50 min
Jul 10, 12:04 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod	56 min
Jul 10, 12:11 PM CDT	Areal Flood Advisory	MPX	Dakota, Hennepin	2 hr
Jul 10, 12:17 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	43 min
Jul 10, 12:46 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	44 min
Jul 10, 12:56 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Ramsey, Scott, Washington	49 min
Jul 10, 1:03 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice	57 min
Jul 10, 1:24 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	41 min
Jul 10, 1:27 PM CDT	Severe Thunderstorm Warning	MPX	Scott	33 min
Jul 10, 1:35 PM CDT	Tornado Warning	MPX	Goodhue	25 min
Jul 10, 2:00 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	15 min

Nearby

Tornado Warnings in Minnesota, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.