Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 53, NWS Twin Cities, MN

July 10, 2010Pope County, Stevens County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 10, 2010, 5:17 PM CDT for Pope County, Stevens County, Minnesota. It was in force for 58 min. 1 report 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, 5:17 PM CDT (22:17 UTC)
Expired: Jul 10, 2010, 6:15 PM CDT
In force: 58 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Pope County, MN, Stevens County, MN

The radar

The Aberdeen radar (KABR), 193 km from the middle of the area, began a volume at 22:17 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 10, 5:25 PM CDT	FUNNEL CLOUD	Morris, MN	SPOTTER IN MORRIS SAW FUNNEL CLOUD AT UNKNOWN DISTANCE NORTH NORTHEAST OF TOWN.

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, 4:48 PM CDT	Tornado Watch	SPC	3 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 205 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: 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.

567 
WFUS53 KMPX 102217
TORMPX
MNC121-149-102315-
/O.NEW.KMPX.TO.W.0053.100710T2217Z-100710T2315Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN POPE COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 615 PM CDT

* AT 513 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES
  NORTHEAST OF DONNELLY...AND MOVING EAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  MORRIS...
  CYRUS...
  FARWELL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 4576 9618 4576 9552 4556 9563 4551 9625
TIME...MOT...LOC 2217Z 269DEG 18KT 4575 9595

$$

1 follow-up statement

898 
WWUS53 KMPX 102234
SVSMPX

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

MNC121-149-102315-
/O.CON.KMPX.TO.W.0053.000000T0000Z-100710T2315Z/
POPE MN-STEVENS MN-
534 PM CDT SAT JUL 10 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN STEVENS AND
NORTHWESTERN POPE COUNTIES UNTIL 615 PM CDT...

AT 531 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NORTH OF MORRIS. THIS DANGEROUS STORM WAS LOCATED 6 MILES SOUTHWEST OF 
HOFFMAN...OR 12 MILES NORTH OF MORRIS...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  CYRUS AND FARWELL.

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 4576 9614 4576 9552 4556 9563 4551 9625
TIME...MOT...LOC 2234Z 269DEG 18KT 4575 9583

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:10 AM CDT	Special Weather Statement	MPX	Kanabec	65 min
Jul 10, 6:40 AM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	50 min
Jul 10, 7:48 AM CDT	Special Weather Statement	MPX	Kandiyohi	57 min
Jul 10, 8:00 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	45 min
Jul 10, 10:51 AM CDT	Special Weather Statement	MPX	McLeod	54 min
Jul 10, 3:29 PM CDT	Special Weather Statement	MPX	Dakota	46 min
Jul 10, 5:02 PM CDT	Tornado Warning	MPX	Douglas	58 min
Jul 10, 5:58 PM CDT	Tornado Warning	MPX	Douglas, Pope	62 min
Jul 10, 6:00 PM CDT	Tornado Warning	MPX	Douglas	60 min
Jul 10, 6:26 PM CDT	Tornado Warning	MPX	Stevens	19 min
Jul 10, 6:47 PM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	58 min
Jul 10, 6:55 PM CDT	Tornado Warning	MPX	Douglas, Pope	65 min
Jul 10, 6:58 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Todd	41 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.