Alert archive / Minnesota / Tornado Warnings in 2013

Tornado Warning 9, NWS Twin Cities, MN

August 6, 2013Pope County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 6, 2013, 4:22 PM CDT for Pope County, Minnesota. It was in force for 38 min. 3 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: Aug 6, 2013, 4:22 PM CDT (21:22 UTC)
Expired: Aug 6, 2013, 5:00 PM CDT
In force: 38 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Pope County, MN

The radar

The Minneapolis radar (KMPX), 180 km from the middle of the area, began a volume at 21:23 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
Aug 6, 4:40 PM CDT	HAIL 1.75	6 Nw Gilchrist, MN
Aug 6, 4:40 PM CDT	HAIL 1.75	6 Wsw Gilchrist, MN
Aug 6, 4:59 PM CDT	HAIL 1.75	3 N Swift Falls, 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.

Issued	Product	Office	Lasted
Aug 6, 2:24 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 177 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: 1188 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 38 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.

582 
WFUS53 KMPX 062122
TORMPX
MNC121-062200-
/O.NEW.KMPX.TO.W.0009.130806T2122Z-130806T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
422 PM CDT TUE AUG 6 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN POPE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 500 PM CDT

* AT 419 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MORRIS...AND MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  CYRUS.

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 4564 9576 4556 9533 4541 9543 4541 9573
      4542 9575 4551 9576 4551 9574
TIME...MOT...LOC 2122Z 291DEG 31KT 4554 9584

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
BORGHOFF

2 follow-up statements

354 
WWUS53 KMPX 062132
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
432 PM CDT TUE AUG 6 2013

MNC121-062200-
/O.CON.KMPX.TO.W.0009.000000T0000Z-130806T2200Z/
POPE MN-
432 PM CDT TUE AUG 6 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN POPE COUNTY
UNTIL 500 PM CDT...

AT 430 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES SOUTHEAST OF MORRIS...AND MOVING EAST AT 40 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHERN POPE COUNTY.

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 4561 9576 4556 9533 4541 9543 4541 9573
      4542 9575 4550 9576 4552 9574
TIME...MOT...LOC 2133Z 289DEG 35KT 4550 9569

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
BORGHOFF

918 
WWUS53 KMPX 062156
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
456 PM CDT TUE AUG 6 2013

MNC121-062206-
/O.EXP.KMPX.TO.W.0009.000000T0000Z-130806T2200Z/
POPE MN-
456 PM CDT TUE AUG 6 2013

...THE TORNADO WARNING FOR SOUTHWESTERN POPE COUNTY WILL EXPIRE AT
500 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 9 PM.

LAT...LON 4561 9576 4556 9533 4541 9543 4541 9573
      4542 9575 4550 9576 4552 9574
TIME...MOT...LOC 2156Z 289DEG 35KT 4542 9539

$$
BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 10:58 AM CDT	Special Weather Statement	MPX	Morrison	62 min
Aug 6, 11:54 AM CDT	Special Weather Statement	MPX	Mille Lacs	66 min
Aug 6, 3:26 PM CDT	Special Weather Statement	MPX	Stevens	49 min
Aug 6, 3:49 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	41 min
Aug 6, 3:59 PM CDT	Tornado Warning	MPX	Stevens	31 min
Aug 6, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	34 min
Aug 6, 4:49 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	41 min
Aug 6, 5:07 PM CDT	Tornado Warning	MPX	Kandiyohi	38 min
Aug 6, 5:34 PM CDT	Special Weather Statement	MPX	Kanabec	26 min
Aug 6, 5:37 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	53 min
Aug 6, 5:43 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	47 min
Aug 6, 6:09 PM CDT	Severe Thunderstorm Warning	MPX	Pope	51 min
Aug 6, 6:24 PM CDT	Severe Thunderstorm Warning	MPX	Wright	51 min
Aug 6, 6:29 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	61 min
Aug 6, 6:53 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin	52 min

Nearby

Tornado Warnings in Minnesota, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.