Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 54, NWS Twin Cities, MN

July 10, 2010Douglas County, Pope County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 10, 2010, 5:58 PM CDT for Douglas County, Pope County, Minnesota. It was in force for 62 min. 4 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, 2010, 5:58 PM CDT (22:58 UTC)
Expired
Jul 10, 2010, 7:00 PM CDT
In force
62 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Douglas County, MN, Pope County, MN

The radar

The Minneapolis radar (KMPX), 179 km from the middle of the area, began a volume at 22:59 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

TimeReportWhereRemark
Jul 10, 6:06 PM CDTHAIL 1.751 W Holmes, MNHAIL OCCURED AT LAKE OSCAR.
Jul 10, 6:32 PM CDTHAIL 1.751 Sw Farwell, MN
Jul 10, 6:41 PM CDTTSTM WND GST 55Alexandria, MNMEASURED AT ALEXANDRIA AIRPORT
Jul 10, 6:45 PM CDTHAIL 1.751 W Lowry, MN

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.

IssuedProductOfficeLasted
Jul 10, 4:48 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.0 hours before the alert went out and 176 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2010-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 578 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2010-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
578 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
4 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.

382 
WFUS53 KMPX 102258
TORMPX
MNC041-121-110000-
/O.NEW.KMPX.TO.W.0054.100710T2258Z-100711T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
558 PM CDT SAT JUL 10 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHERN POPE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 700 PM CDT

* AT 554 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS NEAR
  KENSINGTON...OR OVER KENSINGTON...AND MOVING EAST AT 15 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  ALEXANDRIA...
  GLENWOOD...
  LOWRY...
  STARBUCK...
  LONG BEACH...
  FORADA...
  SEDAN...
  FARWELL...
  HOLMES...
  NELSON...
  VILLARD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING
FOR WEST CENTRAL MINNESOTA.

&&

LAT...LON 4594 9519 4556 9523 4555 9574 4594 9575
TIME...MOT...LOC 2258Z 278DEG 15KT 4577 9565

$$
2 follow-up statements
166 
WWUS53 KMPX 102336
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
636 PM CDT SAT JUL 10 2010

MNC041-121-110000-
/O.CON.KMPX.TO.W.0054.000000T0000Z-100711T0000Z/
DOUGLAS MN-POPE MN-
636 PM CDT SAT JUL 10 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN POPE AND SOUTHERN
DOUGLAS COUNTIES UNTIL 700 PM CDT...

AT 636 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR LOWRY...OR 11 MILES NORTHWEST OF GLENWOOD...MOVING
EAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  GLENWOOD...ALEXANDRIA...STARBUCK...LOWRY...FORADA...LONG BEACH...
  SEDAN...VILLARD AND NELSON.

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 4594 9519 4556 9523 4555 9574 4594 9575
TIME...MOT...LOC 2337Z 270DEG 10KT 4576 9555

$$
959 
WWUS53 KMPX 102341
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
641 PM CDT SAT JUL 10 2010

MNC041-121-110000-
/O.CON.KMPX.TO.W.0054.000000T0000Z-100711T0000Z/
DOUGLAS MN-POPE MN-
641 PM CDT SAT JUL 10 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN POPE AND SOUTHERN
DOUGLAS COUNTIES UNTIL 700 PM CDT...

AT 640 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR CYRUS...OR 13 MILES EAST OF MORRIS...MOVING EAST AT
10 MPH.

LOCATIONS IMPACTED INCLUDE...
  GLENWOOD...ALEXANDRIA...STARBUCK...LOWRY...LONG BEACH...FORADA...
  SEDAN...FARWELL...HOLMES...VILLARD AND NELSON.

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 4594 9519 4556 9523 4555 9574 4594 9575
TIME...MOT...LOC 2342Z 270DEG 10KT 4565 9565

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 6:10 AM CDTSpecial Weather StatementMPXKanabec65 min
Jul 10, 6:40 AM CDTSpecial Weather StatementMPXKanabec, Mille Lacs50 min
Jul 10, 7:48 AM CDTSpecial Weather StatementMPXKandiyohi57 min
Jul 10, 8:00 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker45 min
Jul 10, 10:51 AM CDTSpecial Weather StatementMPXMcLeod54 min
Jul 10, 3:29 PM CDTSpecial Weather StatementMPXDakota46 min
Jul 10, 5:02 PM CDTTornado WarningMPXDouglas58 min
Jul 10, 5:17 PM CDTTornado WarningMPXPope, Stevens58 min
Jul 10, 6:00 PM CDTTornado WarningMPXDouglas60 min
Jul 10, 6:26 PM CDTTornado WarningMPXStevens19 min
Jul 10, 6:47 PM CDTSevere Thunderstorm WarningMPXStevens, Swift58 min
Jul 10, 6:55 PM CDTTornado WarningMPXDouglas, Pope65 min
Jul 10, 6:58 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd41 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.