Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 157, NWS Twin Cities, MN

July 10, 20085 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 10, 2008, 12:56 PM CDT for 5 counties in Minnesota. It was in force for 49 min. 26 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, 12:56 PM CDT (17:56 UTC)
Expired: Jul 10, 2008, 1:45 PM CDT
In force: 49 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Washington County, MN

What was reported inside it

Time	Report	Where	Remark
Jul 10, 12:58 PM CDT	HAIL 0.88	Burnsville, MN
Jul 10, 12:58 PM CDT	HAIL 0.88	Richfield, MN
Jul 10, 1:00 PM CDT	TSTM WND DMG	1 Nw Burnsville, MN	PART OF A METAL ROOF OF A BUILDING ON LADY BIRD LN AT DUPONT AVE. SEVERAL BRANCHES AND TREES DOWN IN THE AREA WEST OF 35W SOUTH OF THE RIVER TOWARD SAVAGE.
Jul 10, 1:00 PM CDT	HAIL 0.75	2 Nne Bloomington, MN
Jul 10, 1:00 PM CDT	HAIL 0.75	3 Nw Bloomington, MN	OCCURRED AT HIGHWAY 100 AND HENNEPIN CO.
Jul 10, 1:02 PM CDT	TSTM WND DMG	4 N Burnsville, MN	SEVERAL TREES TOPPLED, SMALLEST SIX INCHES IN DIAMETER. OCCURRED AT 98TH AND OLD SHAKOPEE RD, THROUGH 91ST.
Jul 10, 1:02 PM CDT	TSTM WND GST 64	3 Ne Burnsville, MN	64 MPH WIND GUST MEASURED AT JOHN METCALF JUNIOR HIGH SCHOOL.
Jul 10, 1:03 PM CDT	TSTM WND DMG	4 Se Burnsville, MN	FOUR LARGE TREES TOPPLED. TIME ESTIMATED BY RADAR.
Jul 10, 1:03 PM CDT	HAIL 1	1 Se Prior Lake, MN
Jul 10, 1:05 PM CDT	TSTM WND DMG	5 Sse Burnsville, MN	MORE THAN 20 TREES DOWN IN A RESIDENTIAL AREA OF LAKEVILLE NEAR THE INTERSECTION OF HIGHVIEW AND CO RD 46. TREES UP TO 1 FT DIAMETER. PRIVACY FENCES ALSO BLOWN DOWN. TIME ESTIMATED ON RADAR.
Jul 10, 1:05 PM CDT	TSTM WND DMG	Apple Valley, MN	TIME ESTIMATED. TREE SNAPPED IN HALF AT CORNER OF 147TH AND CO RD 42 ALONG WITH SEVERAL BRANCHES. 2 TREES SNAPPED BEHIND FIRE STATION 1. ONE TREE DOWN .5 MILES W OF COUNTY RD 23.
Jul 10, 1:05 PM CDT	TSTM WND DMG	Mendota Heights, MN	MEDIUM SIZED TREE BRANCHES DOWNED. LAWN FURNITURE PICKED UP AND MOVED.
Jul 10, 1:05 PM CDT	TSTM WND GST 59	3 Se Burnsville, MN	59 MPH WIND GUST RECORDED AT APPLE VALLEY HIGH SCHOOL.
Jul 10, 1:08 PM CDT	TSTM WND GST 68	6 Sse Eagan, MN	68 MPH WIND GUST RECORDED AT ROSEMOUNT ELEMENTARY SCHOOL.
Jul 10, 1:10 PM CDT	TSTM WND DMG	3 Se Rosemount, MN	35 FT PINE TREE UPROOTED AT HWY 52 AT COATES. TIME ESTIMATED BY RADAR. CORRECTED COUNTY TO DAKOTA FROM SIBLEY.
Jul 10, 1:10 PM CDT	TSTM WND DMG	Bloomington, MN	TWO AND ONE HALF FOOT TREES TOPPLED. OCCURRED AT 494 AND XERXES AVE.
Jul 10, 1:10 PM CDT	HAIL 0.75	Prior Lake, MN
Jul 10, 1:11 PM CDT	TSTM WND DMG	2 E Vermillion, MN	300 FOOT LONG FIELD IRRIGATOR BLOWN OVER AT INTERSECTION OF CO RD 47 AND CO RD 62. TIME ESTIMATED BY RADAR.
Jul 10, 1:12 PM CDT	TSTM WND DMG	1 Sw Vermillion, MN	2-3 FOOT WIDE TREE BLOWN DOWN ON CO RD 47. TIME ESTIMATED BY RADAR.
Jul 10, 1:13 PM CDT	TSTM WND DMG	2 S Vermillion, MN	POWER LINES DOWN ALONG CO RD 47 AT CO RD 85. TIME ESTIMATED BY RADAR.
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, 5.9 hours before the alert went out and 54 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 
WUUS53 KMPX 101757
SVRMPX
MNC037-053-123-139-163-101845-
/O.NEW.KMPX.SV.W.0157.080710T1756Z-080710T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1256 PM CDT THU JUL 10 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 145 PM CDT

* AT 1253 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 3 MILES NORTH OF MINNEAPOLIS TO BLOOMINGTON TO 8 MILES
  SOUTHWEST OF PRIOR LAKE...AND MOVING EAST AT 47 MPH.

* SOME LOCATIONS INCLUDE...
  BURNSVILLE...
  FALCON HEIGHTS...
  CREDIT RIVER...
  ROSEVILLE...
  MENDOTA HEIGHTS...
  EAGAN...
  ST PAUL...
  APPLE VALLEY...
  WEST ST PAUL...
  NEW MARKET...
  LAKEVILLE...
  INVER GROVE HEIGHTS...

THESE STORMS HAVE A HISTORY OF PRODUCING WINDS OF 60 TO 70 MPH WINDS 
AND HAIL TO GOLFBALL SIZE.   

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT
THURSDAY AFTERNOON FOR SOUTHWESTERN MINNESOTA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING FOR
SOUTHEASTERN MINNESOTA AND WEST CENTRAL WISCONSIN.

LAT...LON 4463 9280 4455 9281 4451 9305 4447 9305
      4455 9328 4455 9358 4504 9327 4499 9276
      4487 9275 4475 9280 4472 9274 4464 9273
TIME...MOT...LOC 1756Z 291DEG 41KT 4500 9321 4481 9325
          4463 9350

$$

TRH

1 follow-up statement

000 
WWUS53 KMPX 101820
SVSMPX

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

MNC053-101830-
/O.CAN.KMPX.SV.W.0157.000000T0000Z-080710T1845Z/
HENNEPIN MN-
120 PM CDT THU JUL 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HENNEPIN COUNTY
IS CANCELLED...

RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED OUT OF
THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

LAT...LON 4464 9273 4463 9280 4455 9281 4451 9305
      4447 9305 4455 9328 4455 9351 4479 9333
      4488 9316 4502 9310 4499 9276 4475 9280
      4471 9274
TIME...MOT...LOC 1820Z 291DEG 41KT 4490 9285 4471 9289
          4453 9314

$$

MNC037-123-139-163-101845-
/O.CON.KMPX.SV.W.0157.000000T0000Z-080710T1845Z/
WASHINGTON MN-RAMSEY MN-DAKOTA MN-SCOTT MN-
120 PM CDT THU JUL 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR EASTERN SCOTT...DAKOTA...SOUTHEASTERN RAMSEY AND SOUTHERN
WASHINGTON COUNTIES...

AT 115 PM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM WOODBURY TO 4 MILES NORTH OF VERMILLION TO CASTLE
ROCK...AND MOVING EAST AT 47 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUNFISH...RANDOLPH...
LILYDALE...LANDFALL...CRYSTAL BAY...CREDIT RIVER...CASTLE ROCK...
WOODBURY...WEST ST PAUL AND VERMILLION.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4464 9273 4463 9280 4455 9281 4451 9305
      4447 9305 4455 9328 4455 9351 4479 9333
      4488 9316 4502 9310 4499 9276 4475 9280
      4471 9274
TIME...MOT...LOC 1820Z 291DEG 41KT 4490 9285 4471 9289
          4453 9314

$$

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, 1:03 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice	57 min
Jul 10, 1:15 PM CDT	Tornado Warning	MPX	Dakota	30 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

Severe Thunderstorm Warnings in Minnesota, 2008 Every severe thunderstorm warning 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.