Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 69, NWS Twin Cities, MN

June 21, 20135 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 21, 2013, 3:04 AM CDT for 5 counties in Minnesota. It was in force for 56 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: Jun 21, 2013, 3:04 AM CDT (08:04 UTC)
Expired: Jun 21, 2013, 4:00 AM CDT
In force: 56 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anoka County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Sherburne County, MN

The radar

The Minneapolis radar (KMPX), 60 km from the middle of the area, began a volume at 08:05 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
Jun 21, 3:10 AM CDT	TSTM WND DMG	5 N Big Lake, MN	1 TO 2 FOOT TREES DOWN
Jun 21, 3:14 AM CDT	TSTM WND DMG	Foreston, MN	NUMEROUS TREES DOWN IN THE FORESTON AND MILACA TOWNSHIP AREAS
Jun 21, 3:15 AM CDT	TSTM WND GST 60	1 Ssw Princeton, MN	MEASURED AT PRINCETON AIRPORT
Jun 21, 3:19 AM CDT	TSTM WND DMG	5 N Big Lake, MN	1 TO 2 FOOT TREES DOWN

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
Jun 20, 8:53 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.1 hours before the alert went out and 61 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: 84 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 2297 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

693 
WUUS53 KMPX 210804
SVRMPX
MNC003-059-065-095-141-210900-
/O.NEW.KMPX.SV.W.0069.130621T0804Z-130621T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
304 AM CDT FRI JUN 21 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 400 AM CDT

* AT 300 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 8 MILES NORTH OF FOLEY TO 9 MILES WEST OF PRINCETON
  TO BUFFALO...AND MOVING EAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  PRINCETON...MILACA...CAMBRIDGE...MORA...ELK RIVER...COON RAPIDS...
  EAST BETHEL...BLAINE...BIG LAKE...FORESTON...ZIMMERMAN...PEASE...
  BOCK...RAMSEY...DALBO...ST FRANCIS...ANOKA...OGILVIE...ISANTI AND
  CEDAR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD 
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY 
AWAY FROM WINDOWS.

&&

LAT...LON 4593 9313 4556 9314 4556 9303 4515 9302
      4512 9305 4513 9323 4504 9323 4504 9329
      4511 9328 4515 9331 4526 9354 4530 9357
      4530 9375 4532 9379 4556 9376 4582 9377
TIME...MOT...LOC 0804Z 269DEG 47KT 4578 9385 4553 9370
          4523 9380

HAIL...<.75IN
WIND...60MPH

$$

BRB

2 follow-up statements

802 
WWUS53 KMPX 210845
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
345 AM CDT FRI JUN 21 2013

MNC065-095-141-210855-
/O.CAN.KMPX.SV.W.0069.000000T0000Z-130621T0900Z/
KANABEC MN-MILLE LACS MN-SHERBURNE MN-
345 AM CDT FRI JUN 21 2013

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SHERBURNE...SOUTHERN
MILLE LACS AND SOUTHERN KANABEC COUNTIES IS CANCELLED...

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

LAT...LON 4556 9314 4556 9303 4515 9302 4512 9307
      4513 9323 4504 9323 4504 9328 4511 9328
      4515 9331 4522 9344 4541 9328 4573 9334
      4573 9315
TIME...MOT...LOC 0845Z 269DEG 47KT 4579 9308 4554 9294
          4524 9304

$$

MNC003-059-210900-
/O.CON.KMPX.SV.W.0069.000000T0000Z-130621T0900Z/
ANOKA MN-ISANTI MN-
345 AM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN ISANTI
AND ANOKA COUNTIES UNTIL 400 AM CDT...

AT 342 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 9 MILES WEST OF PINE CITY TO 12 MILES EAST OF
CAMBRIDGE TO 6 MILES SOUTHWEST OF FOREST LAKE...AND MOVING EAST AT 55
MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4556 9314 4556 9303 4515 9302 4512 9307
      4513 9323 4504 9323 4504 9328 4511 9328
      4515 9331 4522 9344 4541 9328 4573 9334
      4573 9315
TIME...MOT...LOC 0845Z 269DEG 47KT 4579 9308 4554 9294
          4524 9304

HAIL...<.75IN
WIND...60MPH

$$

BRB

929 
WWUS53 KMPX 210901
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
401 AM CDT FRI JUN 21 2013

MNC003-059-210911-
/O.EXP.KMPX.SV.W.0069.000000T0000Z-130621T0900Z/
ANOKA MN-ISANTI MN-
401 AM CDT FRI JUN 21 2013

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ISANTI AND ANOKA
COUNTIES HAS EXPIRED...

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

LAT...LON 4556 9314 4556 9303 4515 9302 4512 9307
      4513 9323 4504 9323 4504 9328 4511 9328
      4515 9331 4522 9344 4541 9328 4573 9334
      4573 9315
TIME...MOT...LOC 0845Z 269DEG 47KT 4578 9308 4553 9294
          4523 9304

$$

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 8:48 PM CDT	Special Weather Statement	MPX	Douglas	42 min
Jun 20, 8:54 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	66 min
Jun 20, 9:44 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	61 min
Jun 20, 9:50 PM CDT	Severe Thunderstorm Warning	MPX	Todd	25 min
Jun 20, 10:27 PM CDT	Flash Flood Watch	MPX	Benton, Chippewa, Douglas, Kandiyohi, Lac qui Parle, Meeker and 7 more	9 hr
Jun 20, 10:56 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	64 min
Jun 20, 11:21 PM CDT	Severe Thunderstorm Warning	MPX	Pope	54 min
Jun 20, 11:38 PM CDT	Flash Flood Warning	MPX	Pope, Stevens	6 hr
Jun 21, 12:11 AM CDT	Severe Thunderstorm Warning	MPX	Pope	64 min
Jun 21, 12:13 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison	47 min
Jun 21, 12:19 AM CDT	Flash Flood Warning	MPX	Pope	6 hr
Jun 21, 12:20 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Stevens	55 min
Jun 21, 12:50 AM CDT	Flash Flood Warning	MPX	Stevens	5 hr
Jun 21, 12:56 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Pope, Stevens, Swift	64 min
Jun 21, 12:58 AM CDT	Flash Flood Warning	MPX	Douglas, Pope, Stearns, Todd	5 hr
Jun 21, 1:31 AM CDT	Tornado Warning	MPX	Pope	29 min
Jun 21, 1:37 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Stearns, Swift	53 min
Jun 21, 1:46 AM CDT	Flash Flood Warning	MPX	Pope, Stearns	5 hr
Jun 21, 1:52 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	53 min
Jun 21, 2:08 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville, Stearns, Wright	67 min
Jun 21, 2:23 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne, Stearns, Wright	67 min
Jun 21, 2:30 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi	45 min
Jun 21, 2:56 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Wright	64 min
Jun 21, 3:14 AM CDT	Severe Thunderstorm Warning	MPX	Brown, McLeod, Nicollet, Redwood, Renville, Sibley	61 min
Jun 21, 3:33 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Scott, Washington	57 min
Jun 21, 4:07 AM CDT	Special Weather Statement	MPX	Blue Earth, Le Sueur, Rice, Steele, Waseca, Watonwan	53 min
Jun 21, 4:25 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Rice	65 min
Jun 21, 6:03 AM CDT	Areal Flood Warning	MPX	Douglas, Pope, Stearns, Stevens, Todd	6 hr
Jun 21, 6:25 AM CDT	Flash Flood Warning	MPX	Blue Earth, Faribault, Freeborn, Martin, Waseca	4 hr
Jun 21, 6:39 AM CDT	Flash Flood Warning	MPX	Faribault, Freeborn	4 hr
Jun 21, 7:58 AM CDT	Special Weather Statement	MPX	Faribault	32 min
Jun 21, 8:07 AM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	38 min
Jun 21, 10:54 AM CDT	River Flood Warning	MPX	Todd	6 days
Jun 21, 3:16 PM CDT	Flash Flood Watch	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	15 hr
Jun 21, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	59 min
Jun 21, 4:32 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	13 min
Jun 21, 4:43 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	62 min
Jun 21, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	55 min
Jun 21, 5:01 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	59 min
Jun 21, 5:09 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	66 min
Jun 21, 5:20 PM CDT	Areal Flood Advisory	MPX	Douglas, Pope, Stearns, Stevens, Todd	6 hr
Jun 21, 5:33 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	57 min
Jun 21, 5:38 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	52 min
Jun 21, 5:39 PM CDT	Flash Flood Warning	MPX	Pope, Stevens	6 hr
Jun 21, 5:57 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	63 min
Jun 21, 6:07 PM CDT	Special Weather Statement	MPX	Morrison	68 min
Jun 21, 6:17 PM CDT	Special Weather Statement	MPX	McLeod	43 min
Jun 21, 6:24 PM CDT	Special Weather Statement	MPX	Anoka, Carver, Chisago, Hennepin, Isanti, Ramsey and 3 more	2 hr
Jun 21, 6:26 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns	49 min
Jun 21, 6:52 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Wright	38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2013 Every severe thunderstorm warning 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.