Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 114, NWS Twin Cities, MN

September 3, 2014Benton County, Mille Lacs County, Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 3, 2014, 4:22 PM CDT for Benton County, Mille Lacs County, Morrison County, Minnesota. It was in force for 53 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: Sep 3, 2014, 4:22 PM CDT (21:22 UTC)
Expired: Sep 3, 2014, 5:15 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Benton County, MN, Mille Lacs County, MN, Morrison County, MN

The radar

The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 21:22 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
Sep 3, 4:58 PM CDT	HAIL 1.75	7 S Onamia, MN	GOLF BALL SIZED HAIL FROM WEDNESDAY EVENING WAS REPORTED THIS MORNING VIA FACEBOOK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 126 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: 1649 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 67 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.

657 
WUUS53 KMPX 032122
SVRMPX
MNC009-095-097-032215-
/O.NEW.KMPX.SV.W.0114.140903T2122Z-140903T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
422 PM CDT WED SEP 3 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BENTON COUNTY IN CENTRAL MINNESOTA...
  CENTRAL MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN MORRISON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 515 PM CDT

* AT 420 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 13 MILES EAST OF LITTLE FALLS TO 13 MILES SOUTHEAST
  OF LITTLE FALLS...AND MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  MILACA...ONAMIA...BUCKMAN...LITTLE ROCK...HILLMAN...MORRILL...RUM
  RIVER...RUM RIVER STATE FOREST AND BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4611 9352 4574 9352 4579 9429 4610 9416
TIME...MOT...LOC 2123Z 270DEG 34KT 4601 9405 4583 9415

HAIL...0.88IN
WIND...60MPH

$$

5 follow-up statements

732 
WWUS53 KMPX 032136
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
436 PM CDT WED SEP 3 2014

MNC009-095-097-032215-
/O.CON.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
BENTON MN-MILLE LACS MN-MORRISON MN-
436 PM CDT WED SEP 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
MORRISON...CENTRAL MILLE LACS AND NORTHEASTERN BENTON COUNTIES UNTIL
515 PM CDT...

AT 435 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES SOUTHWEST OF MILLE LACS KATHIO STATE PARK TO
12 MILES NORTH OF FOLEY...AND MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
ONAMIA...RUM RIVER...RUM RIVER STATE FOREST AND BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4574 9352 4582 9412 4610 9407 4611 9352
TIME...MOT...LOC 2136Z 270DEG 34KT 4601 9387 4583 9397

HAIL...0.75IN
WIND...60MPH

$$

510 
WWUS53 KMPX 032150
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
450 PM CDT WED SEP 3 2014

MNC009-032200-
/O.CAN.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
BENTON MN-
450 PM CDT WED SEP 3 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4603 9352 4574 9352 4581 9377 4582 9377
      4582 9382 4584 9390 4602 9381
TIME...MOT...LOC 2150Z 269DEG 34KT 4600 9369 4584 9380

$$

MNC095-097-032215-
/O.CON.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
MILLE LACS MN-MORRISON MN-
450 PM CDT WED SEP 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
MORRISON AND CENTRAL MILLE LACS COUNTIES UNTIL 515 PM CDT...

AT 449 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ONAMIA TO 10 MILES NORTHWEST OF MILACA...AND MOVING
EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
RUM RIVER STATE FOREST AND BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4603 9352 4574 9352 4581 9377 4582 9377
      4582 9382 4584 9390 4602 9381
TIME...MOT...LOC 2150Z 269DEG 34KT 4600 9369 4584 9380

HAIL...1.00IN
WIND...60MPH

$$

158 
WWUS53 KMPX 032159
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
459 PM CDT WED SEP 3 2014

MNC097-032209-
/O.CAN.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
MORRISON MN-
459 PM CDT WED SEP 3 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRISON COUNTY
IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4574 9352 4581 9377 4602 9376 4603 9352
TIME...MOT...LOC 2159Z 269DEG 34KT 4600 9357 4584 9370

$$

MNC095-032215-
/O.CON.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
MILLE LACS MN-
459 PM CDT WED SEP 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL MILLE
LACS COUNTY UNTIL 515 PM CDT...

AT 458 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHEAST OF ONAMIA TO 7 MILES NORTHWEST OF
MILACA...AND MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
RUM RIVER STATE FOREST AND BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4574 9352 4581 9377 4602 9376 4603 9352
TIME...MOT...LOC 2159Z 269DEG 34KT 4600 9357 4584 9370

HAIL...1.00IN
WIND...60MPH

$$

619 
WWUS53 KMPX 032204
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
504 PM CDT WED SEP 3 2014

MNC095-032215-
/O.CON.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
MILLE LACS MN-
504 PM CDT WED SEP 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL MILLE
LACS COUNTY UNTIL 515 PM CDT...

AT 502 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES SOUTHEAST OF ONAMIA TO 6 MILES NORTH OF
MILACA...AND MOVING EAST AT 35 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT WIND
         DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
RUM RIVER STATE FOREST AND BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4602 9368 4603 9352 4574 9352 4581 9377
TIME...MOT...LOC 2204Z 268DEG 31KT 4600 9352 4584 9365

HAIL...1.75IN
WIND...60MPH

$$

379 
WWUS53 KMPX 032210
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
510 PM CDT WED SEP 3 2014

MNC095-032215-
/O.CON.KMPX.SV.W.0114.000000T0000Z-140903T2215Z/
MILLE LACS MN-
510 PM CDT WED SEP 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN MILLE
LACS COUNTY UNTIL 515 PM CDT...

AT 507 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES SOUTHEAST OF ONAMIA TO MILACA...AND MOVING
EAST AT 35 MPH.

HAZARD...TENNIS BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED. HAIL OF AROUND TWO AND HALF INCHES IN      
         DIAMETER HAS BEEN REPORTED WITH THESE STORMS.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT WIND
         DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
BOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4598 9365 4603 9352 4574 9352 4581 9377
TIME...MOT...LOC 2209Z 269DEG 31KT 4598 9349 4582 9362

HAIL...2.50IN
WIND...60MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 5:03 AM CDT	Special Weather Statement	MPX	Chippewa	42 min
Sep 3, 6:42 AM CDT	Special Weather Statement	MPX	Chippewa	2 hr
Sep 3, 6:44 AM CDT	Special Weather Statement	MPX	Swift	2 hr
Sep 3, 8:15 AM CDT	Special Weather Statement	MPX	Kandiyohi	2 hr
Sep 3, 8:41 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville	49 min
Sep 3, 9:06 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	39 min
Sep 3, 9:42 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley	23 min
Sep 3, 10:04 AM CDT	Special Weather Statement	MPX	McLeod	26 min
Sep 3, 10:15 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod	24 min
Sep 3, 10:54 AM CDT	Special Weather Statement	MPX	Wright	51 min
Sep 3, 11:15 AM CDT	Severe Thunderstorm Warning	MPX	Wright	30 min
Sep 3, 11:54 AM CDT	Special Weather Statement	MPX	Stevens	36 min
Sep 3, 12:13 PM CDT	Special Weather Statement	MPX	Benton	47 min
Sep 3, 12:16 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	44 min
Sep 3, 12:25 PM CDT	Special Weather Statement	MPX	Todd	35 min
Sep 3, 12:49 PM CDT	Special Weather Statement	MPX	Sherburne	41 min
Sep 3, 12:55 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	50 min
Sep 3, 1:34 PM CDT	Flash Flood Warning	MPX	Pope	3 hr
Sep 3, 1:40 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stearns	35 min
Sep 3, 2:04 PM CDT	Special Weather Statement	MPX	Todd	41 min
Sep 3, 2:46 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	44 min
Sep 3, 3:14 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	31 min
Sep 3, 3:27 PM CDT	Special Weather Statement	MPX	Todd	48 min
Sep 3, 3:40 PM CDT	Special Weather Statement	MPX	Kanabec	50 min
Sep 3, 4:00 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	30 min
Sep 3, 4:13 PM CDT	Special Weather Statement	MPX	Morrison	47 min
Sep 3, 4:34 PM CDT	Special Weather Statement	MPX	Morrison	41 min
Sep 3, 5:02 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	43 min
Sep 3, 5:28 PM CDT	Special Weather Statement	MPX	Todd	3 hr
Sep 3, 5:55 PM CDT	Flash Flood Warning	MPX	Morrison	3 hr
Sep 3, 5:59 PM CDT	Special Weather Statement	MPX	Mille Lacs, Morrison	3 hr
Sep 3, 6:54 PM CDT	Special Weather Statement	MPX	Mille Lacs	51 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Every severe thunderstorm warning 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.