Alert archive / Minnesota / Tornado Warnings in 2014

Tornado Warning 23, NWS Twin Cities, MN

August 24, 2014Benton County, Morrison County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 24, 2014, 5:38 PM CDT for Benton County, Morrison County, Minnesota. It was in force for 37 min. 7 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 24, 2014, 5:38 PM CDT (22:38 UTC)
Expired: Aug 24, 2014, 6:15 PM CDT
In force: 37 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Benton County, MN, Morrison County, MN

The radar

The Minneapolis radar (KMPX), 119 km from the middle of the area, began a volume at 22:39 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
Aug 24, 5:47 PM CDT	TORNADO 0	3 Ssw Morrill, MN	TORNADO SPUN UP JUST NORTHEAST OF THE CORNER OF 155TH ST NE AND 85TH AVE NE /COUNTY ROAD 11/ AT 547 PM. IT TRACKED EAST NORTHEAST FOR 5.8 MILES AND DISSIPATED SOUTHEAST OF THE CORNER OF NATURE RD AND 370TH AVE IN MORRISON COUNTY AT 602 PM. NARROW TREE DAMAGE A
Aug 24, 5:59 PM CDT	FUNNEL CLOUD	7 Nne Gilman, MN	FUNNEL CLOUD SPOTTED ALONG ROUTE 33.
Aug 24, 6:05 PM CDT	TORNADO	2 W Granite Ledge, MN	A TORNADO WAS REPORTED BY A TRAINED SPOTTER AT THE INTERSECTION OF COUNTY ROADS 22 AND 70. A DAMAGE PATH STRETCHED SEVERAL MILES TO THE NORTHEAST.
Aug 24, 6:05 PM CDT	TORNADO	4 W Granite Ledge, MN	TORNADO DAMAGE WAS REPORTED BY A TRAINED SPOTTER A QUARTER MILE EAST OF COUNTY RD 22 AND 155TH AVE. NUMEROUS TREES WERE DOWN, WINDOWS WERE BLOWN OUT OF BUILDINGS AND CARS, AND A ROOF WAS BLOWN OFF OF A BARN.
Aug 24, 6:06 PM CDT	HAIL 2	7 S Hillman, MN	A TRAINED SPOTTER REPORTED 2.2 INCH DIAMETER HAIL 7.5 MILES SOUTH OF HILLMAN.
Aug 24, 6:07 PM CDT	HAIL 2	6 S Hillman, MN	TWO AND ONE QUARTER INCH HAIL DAMAGED NORTH SIDE OF RESIDENCE ONE HALF MILE NORTH OF INTERSECTION OF COUNTY RD 34 AND COUNTY ROAD 33. TIME ESTIMATED FROM RADAR. REPORT ORIGINATED ON SOCIAL MEDIA.
Aug 24, 6:11 PM CDT	FUNNEL CLOUD	3 Ese Morrill, MN	SHERIFF DEPUTIES REPORTED POSSIBLE TORNADO NEAR COUNTY ROUTES 22 AND 66. VIEWED FUNNEL CLOUD BOUNCING UP AND DOWN...POSSIBLY TOUCHING GROUND.

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 24, 3:45 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 118 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: 1234 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 355 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

097 
WFUS53 KMPX 242238
TORMPX
MNC009-097-242315-
/O.NEW.KMPX.TO.W.0023.140824T2238Z-140824T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
538 PM CDT SUN AUG 24 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BENTON COUNTY IN CENTRAL MINNESOTA...
  SOUTHEASTERN MORRISON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 615 PM CDT

* AT 536 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES NORTHWEST OF FOLEY...AND MOVING
  NORTHEAST AT 30 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
  BENTON AND SOUTHEASTERN MORRISON COUNTIES...INCLUDING THE FOLLOWING
  LOCATIONS...MORRILL AND RUM RIVER.

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 4598 9380 4598 9377 4582 9376 4573 9412
      4576 9415 4599 9381
TIME...MOT...LOC 2239Z 236DEG 26KT 4579 9402

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JRB

3 follow-up statements

719 
WWUS53 KMPX 242246
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
546 PM CDT SUN AUG 24 2014

MNC009-097-242315-
/O.CON.KMPX.TO.W.0023.000000T0000Z-140824T2315Z/
BENTON MN-MORRISON MN-
546 PM CDT SUN AUG 24 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MORRISON AND
NORTHEASTERN BENTON COUNTIES UNTIL 615 PM CDT...

AT 544 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES NORTH OF FOLEY...AND MOVING NORTHEAST AT 30 MPH.

HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
RUM RIVER.

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 4598 9380 4598 9377 4584 9376 4582 9377
      4575 9404 4581 9409 4599 9381
TIME...MOT...LOC 2246Z 236DEG 26KT 4582 9396

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

JRB

784 
WWUS53 KMPX 242251
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
551 PM CDT SUN AUG 24 2014

MNC009-097-242315-
/O.CON.KMPX.TO.W.0023.000000T0000Z-140824T2315Z/
BENTON MN-MORRISON MN-
551 PM CDT SUN AUG 24 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MORRISON AND
NORTHEASTERN BENTON COUNTIES UNTIL 615 PM CDT...

AT 549 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES NORTH OF FOLEY...AND MOVING NORTHEAST AT 25 MPH.

HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION. IN ADDITION...A TRAINED SPOTTER   
         REPORTED A FUNNEL CLOUD WITH THIS STORM.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
RUM RIVER.

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 4598 9380 4598 9377 4591 9376 4582 9377
      4575 9402 4582 9406 4599 9381
TIME...MOT...LOC 2251Z 241DEG 22KT 4582 9394

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

JRB

332 
WWUS53 KMPX 242304
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
604 PM CDT SUN AUG 24 2014

MNC009-097-242315-
/O.CON.KMPX.TO.W.0023.000000T0000Z-140824T2315Z/
BENTON MN-MORRISON MN-
604 PM CDT SUN AUG 24 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MORRISON AND
NORTHEASTERN BENTON COUNTIES UNTIL 615 PM CDT...

AT 602 PM CDT...A CONFIRMED TORNADO WAS LOCATED 12 MILES NORTHWEST OF
MILACA...AND MOVING NORTHEAST AT 25 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN MORRISON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4598 9377 4591 9376 4582 9377 4578 9394
      4587 9399
TIME...MOT...LOC 2305Z 241DEG 22KT 4586 9383

TORNADO...OBSERVED
HAIL...1.75IN

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 2:15 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Douglas, Kandiyohi, Pope, Swift	30 min
Aug 24, 2:40 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Kandiyohi, Pope, Stearns, Todd	65 min
Aug 24, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison	57 min
Aug 24, 5:18 PM CDT	Special Weather Statement	MPX	Ramsey	42 min
Aug 24, 5:24 PM CDT	Special Weather Statement	MPX	Dakota	51 min
Aug 24, 5:29 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison	46 min
Aug 24, 5:49 PM CDT	Severe Thunderstorm Warning	MPX	Wright	41 min
Aug 24, 6:02 PM CDT	Tornado Warning	MPX	Mille Lacs	43 min
Aug 24, 6:08 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	52 min
Aug 24, 6:31 PM CDT	Special Weather Statement	MPX	Sherburne	29 min
Aug 24, 6:57 PM CDT	Special Weather Statement	MPX	Mille Lacs	48 min
Aug 24, 6:59 PM CDT	Tornado Warning	MPX	Kanabec	31 min

Nearby

Tornado Warnings in Minnesota, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.