Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 66, NWS Twin Cities, MN

June 21, 20134 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 21, 2013, 2:23 AM CDT for 4 counties in Minnesota. It was in force for 67 min. 11 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, 2:23 AM CDT (07:23 UTC)
Expired: Jun 21, 2013, 3:30 AM CDT
In force: 67 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Benton County, MN, Sherburne County, MN, Stearns County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 98 km from the middle of the area, began a volume at 07:23 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	Remark
Jun 21, 2:45 AM CDT	TSTM WND DMG	St Cloud, MN	MANY 1-2 FEET DIAMETER TREES DOWN ACROSS CITY. SOME TREES SNAPPED AT TRUNK...OTHERS PEELED OFF ALONG TRUNK. FEW ENTIRELY UPROOTED. POWER OUT.
Jun 21, 2:50 AM CDT	TSTM WND DMG	6 W Foley, MN	NUMEROUS TREES BLOWN DOWN FROM WEST TO EAST NEAR POPPLE CREEK. SOME TREES ON ROAD.
Jun 21, 2:51 AM CDT	TSTM WND GST 66	5 E St Cloud, MN	EARLY MORNING
Jun 21, 2:51 AM CDT	TSTM WND GST 66	5 E St Cloud, MN
Jun 21, 2:55 AM CDT	TSTM WND DMG	3 Sw Gilman, MN	BARN BLOWN DOWN FROM WEST TO EAST. NUMEROUS TREES DOWN.
Jun 21, 2:55 AM CDT	TSTM WND GST 57	2 Se Clearwater, MN	MNDOT SENSOR ALONG I-94. NORTHWEST WIND GUSTS TO 56 AND 57 MPH LASTED UNTIL 0305 AM CDT THEN DROPPED TO 36 MPH AT 0310 AM.
Jun 21, 3:00 AM CDT	TSTM WND DMG	5 S Santiago, MN	POWER OUT.
Jun 21, 3:00 AM CDT	TSTM WND GST 55	2 Nw Rice, MN	MNDOT SENSOR
Jun 21, 3:00 AM CDT	NON-TSTM WND GST 55	2 Nw Rice, MN	MNDOT SENSOR ALONG HIGHWAY 10. NORTH TO NORTHEAST WIND BEGAN GUSTING OVER 40 MPH AT 0245 AM AND REACHED ITS MAXIMUM OF 55 MPH AT 0300 AM. WIND FREQUENTLY GUSTED AT OR ABOVE 50 MPH THROUGH 0420 AM CDT. LAST GUST ABOVE 40 MPH WAS AT 0440 CDT.
Jun 21, 3:15 AM CDT	TSTM WND DMG	5 S Santiago, MN	POWER OUT
Jun 21, 3:40 AM CDT	NON-TSTM WND GST 60	2 Se Clearwater, MN	MNDOT SENSOR ALONG I-94. ABOUT 30 MINUTES AFTER THE THUNDERSTORM WINDS...WIND SHIFTED TO THE NORTH AND INCREASED TO 57 MPH AT 0335 AM AND REACHED 60 MPH AT 0340 AM. WIND GUSTS REMAINED ABOVE 40 MPH THROUGH 0430 AM.

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, 7.4 hours before the alert went out and 97 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.

937 
WUUS53 KMPX 210723
SVRMPX
MNC009-141-145-171-210830-
/O.NEW.KMPX.SV.W.0066.130621T0723Z-130621T0830Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA...
  WESTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
  EASTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  NORTHERN WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 330 AM CDT

* AT 219 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 13 MILES NORTHEAST OF ALBANY TO 6 MILES NORTHEAST OF
  PAYNESVILLE...AND MOVING EAST AT 35 MPH.

  HAZARD...70 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO
           MOBILE HOMES...ROOFS AND OUTBUILDINGS.

* LOCATIONS IMPACTED INCLUDE...
  ST CLOUD...SAUK RAPIDS...FOLEY...AVON...RICHMOND...OPOLE...
  COLLEGEVILLE...COLD SPRING...ST STEPHEN...RICE...ST JOSEPH...
  ROCKVILLE...PLEASANT LAKE...SARTELL...WAITE PARK...LUXEMBURG...
  LITTLE ROCK...ST AUGUSTA...MAYHEW AND GILMAN.

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 4582 9376 4547 9377 4519 9381 4547 9466
      4578 9461 4577 9428 4581 9435
TIME...MOT...LOC 0723Z 275DEG 32KT 4579 9440 4544 9457

HAIL...<.75IN
WIND...70MPH

$$

BRB

2 follow-up statements

269 
WWUS53 KMPX 210741
SVSMPX

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

MNC009-141-145-171-210830-
/O.CON.KMPX.SV.W.0066.000000T0000Z-130621T0830Z/
BENTON MN-SHERBURNE MN-STEARNS MN-WRIGHT MN-
241 AM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
WRIGHT...EASTERN STEARNS...WESTERN SHERBURNE AND BENTON COUNTIES
UNTIL 330 AM CDT...

AT 237 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 14 MILES NORTHEAST OF ALBANY TO ST CLOUD TO 16 MILES
SOUTH OF ST CLOUD...AND MOVING EAST AT 50 MPH.

HAZARD...70 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE
         HOMES...ROOFS AND OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
SAUK RAPIDS...FOLEY...RICE...CLEARWATER...LITTLE ROCK...CLEAR LAKE...
MAYHEW...HASTY...PARENT...ENFIELD...SILVER CREEK...DUELM...GILMAN...
BECKER...RUM RIVER...RONNEBY...SANTIAGO...MONTICELLO AND GLENDORADO.

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 4547 9377 4519 9381 4547 9451 4578 9457
      4578 9428 4581 9435 4582 9377
TIME...MOT...LOC 0741Z 288DEG 42KT 4575 9428 4555 9418
          4532 9423

HAIL...<.75IN
WIND...70MPH

$$

BRB

028 
WWUS53 KMPX 210816
SVSMPX

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

MNC145-210826-
/O.CAN.KMPX.SV.W.0066.000000T0000Z-130621T0830Z/
STEARNS MN-
316 AM CDT FRI JUN 21 2013

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STEARNS COUNTY IS
CANCELLED...

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

LAT...LON 4547 9377 4519 9381 4532 9411 4536 9409
      4536 9408 4538 9409 4543 9405 4549 9413
      4581 9423 4582 9377
TIME...MOT...LOC 0816Z 290DEG 50KT 4562 9359 4542 9349
          4519 9354

$$

MNC009-141-171-210830-
/O.CON.KMPX.SV.W.0066.000000T0000Z-130621T0830Z/
BENTON MN-SHERBURNE MN-WRIGHT MN-
316 AM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
WRIGHT...WESTERN SHERBURNE AND BENTON COUNTIES UNTIL 330 AM CDT...

AT 314 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PRINCETON TO 7 MILES NORTH OF ELK RIVER TO 9 MILES
NORTHWEST OF MAPLE GROVE...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 4547 9377 4519 9381 4532 9411 4536 9409
      4536 9408 4538 9409 4543 9405 4549 9413
      4581 9423 4582 9377
TIME...MOT...LOC 0816Z 290DEG 50KT 4562 9359 4542 9349
          4519 9354

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

$$

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, 2:30 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, 3:04 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Kanabec, Mille Lacs, Sherburne	56 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.