Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 39, NWS Twin Cities, MN

June 25, 2010Blue Earth County, Le Sueur County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 25, 2010, 6:52 PM CDT for Blue Earth County, Le Sueur County, Nicollet County, Minnesota. It was in force for 53 min. 8 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: Jun 25, 2010, 6:52 PM CDT (23:52 UTC)
Expired: Jun 25, 2010, 7:45 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Blue Earth County, MN, Le Sueur County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 23:54 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 25, 6:59 PM CDT	HAIL 1.25	1 N Mankato, MN
Jun 25, 7:00 PM CDT	HAIL 1	2 Ne Mankato, MN	AT HWY 169 AND 14
Jun 25, 7:00 PM CDT	TORNADO	4 S Mankato, MN	DAMAGE SURVEY DETERMINED TORNADO PRODUCED EF-0 DAMAGE EAST-SOUTHEAST OF RAPIDAN. IT TOUCHED DOWN NEAR COUNTY ROAD 16 AND 192ND LANE...WHERE A COUPLE HUNDRED TREES WERE SNAPPED OR SHEARED OFF.
Jun 25, 7:05 PM CDT	HAIL 1	Mankato, MN
Jun 25, 7:15 PM CDT	HAIL 1	Mankato, MN
Jun 25, 7:17 PM CDT	TSTM WND DMG	Mankato, MN	POWERLINES DOWN ACROSS 169
Jun 25, 7:22 PM CDT	TORNADO	2 S St Clair, MN	TORNADO REPORTED BY LAW ENFORCEMENT IN PROGRESS WHEN REPORTED
Jun 25, 7:30 PM CDT	TSTM WND DMG	2 Se Lake Crystal, MN	AT LEAST 6 POWER LINE POLES BLOCKING COUNTY RD 9

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 25, 3:35 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 75 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: 38 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1153 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 119 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.

122 
WFUS53 KMPX 252352
TORMPX
MNC013-079-103-260045-
/O.NEW.KMPX.TO.W.0039.100625T2352Z-100626T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
652 PM CDT FRI JUN 25 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 745 PM CDT

* AT 650 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES SOUTH OF
  NICOLLET...AND MOVING EAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  ST PETER...
  MANKATO...
  NORTH MANKATO...
  KASOTA...
  GOOD THUNDER...
  CLEVELAND...
  EAGLE LAKE...
  ST CLAIR...
  PEMBERTON...
  OTTAWA...
  SKYLINE...
  ST THOMAS...

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 MIDNIGHT CDT SATURDAY MORNING
FOR SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN.

&&

LAT...LON 4444 9378 4396 9378 4404 9436 4424 9437
      4445 9431
TIME...MOT...LOC 2352Z 289DEG 25KT 4420 9415

$$

1 follow-up statement

016 
WWUS53 KMPX 260033
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
733 PM CDT FRI JUN 25 2010

MNC013-079-103-260045-
/O.CON.KMPX.TO.W.0039.000000T0000Z-100626T0045Z/
LE SUEUR MN-NICOLLET MN-BLUE EARTH MN-
733 PM CDT FRI JUN 25 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN BLUE EARTH...
SOUTH CENTRAL NICOLLET AND SOUTHWESTERN LE SUEUR COUNTIES UNTIL 745
PM CDT...

AT 731 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR NICOLLET...OR 10 MILES WEST OF MANKATO...MOVING EAST
AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  MANKATO...NORTH MANKATO...KASOTA...EAGLE LAKE...ST CLAIR...GOOD
  THUNDER...PEMBERTON...SKYLINE AND MADISON LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4429 9379 4396 9378 4404 9436 4424 9437
      4429 9435
TIME...MOT...LOC 0034Z 289DEG 25KT 4421 9415

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 6:07 AM CDT	Special Weather Statement	MPX	Douglas, Morrison, Todd	68 min
Jun 25, 6:45 AM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	60 min
Jun 25, 8:39 AM CDT	Special Weather Statement	MPX	Stevens	51 min
Jun 25, 9:25 AM CDT	Special Weather Statement	MPX	Chippewa, Swift	65 min
Jun 25, 9:36 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	39 min
Jun 25, 11:00 AM CDT	Special Weather Statement	MPX	Redwood, Renville	60 min
Jun 25, 11:04 AM CDT	Special Weather Statement	MPX	Kanabec	56 min
Jun 25, 11:07 AM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Sibley	53 min
Jun 25, 12:35 PM CDT	Special Weather Statement	MPX	Le Sueur, Nicollet	55 min
Jun 25, 3:12 PM CDT	Special Weather Statement	MPX	Chippewa, Kandiyohi, Lac qui Parle, Meeker, Pope, Redwood and 4 more	63 min
Jun 25, 3:31 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Pope, Stearns, Swift	59 min
Jun 25, 3:35 PM CDT	Tornado Warning	MPX	Chippewa, Lac qui Parle, Renville, Yellow Medicine	55 min
Jun 25, 3:51 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	54 min
Jun 25, 4:05 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Stearns, Wright	55 min
Jun 25, 4:33 PM CDT	Tornado Warning	MPX	Chippewa, Kandiyohi	57 min
Jun 25, 4:41 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	49 min
Jun 25, 4:56 PM CDT	Tornado Warning	MPX	Chippewa, Renville	49 min
Jun 25, 5:00 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Hennepin, Isanti, Sherburne, Stearns and 1 more	60 min
Jun 25, 5:03 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Redwood, Renville, Sibley, Yellow Medicine	27 min
Jun 25, 5:04 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	33 min
Jun 25, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey, Wright	67 min
Jun 25, 5:21 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville, Sibley	54 min
Jun 25, 5:31 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville, Stearns, Swift	59 min
Jun 25, 5:33 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Redwood, Renville, Sibley	42 min
Jun 25, 5:37 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Redwood, Renville, Sibley, Yellow Medicine	53 min
Jun 25, 5:51 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington	54 min
Jun 25, 5:59 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Sherburne, Wright	42 min
Jun 25, 6:05 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet, Watonwan	55 min
Jun 25, 6:08 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet, Sibley	52 min
Jun 25, 6:12 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	63 min
Jun 25, 6:24 PM CDT	Flash Flood Warning	MPX	Anoka, Hennepin, Ramsey, Washington	3 hr
Jun 25, 6:28 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet	47 min
Jun 25, 6:30 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey	60 min
Jun 25, 6:34 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	56 min
Jun 25, 6:51 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin	24 min
Jun 25, 6:54 PM CDT	Tornado Warning	MPX	Brown, Redwood	51 min

Nearby

Tornado Warnings in Minnesota, 2010 Every tornado warning in 2010 Tornadoes 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.