Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 96, NWS Twin Cities, MN

June 21, 2013Redwood County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 21, 2013, 9:37 PM CDT for Redwood County, Renville County, Minnesota. It was in force for 53 min. 2 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, 9:37 PM CDT (02:37 UTC)
Expired: Jun 21, 2013, 10:30 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Redwood County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 125 km from the middle of the area, began a volume at 02:39 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
Jun 21, 10:10 PM CDT	TSTM WND DMG	Bird Island, MN	SEVERAL TREES DOWN.
Jun 21, 10:25 PM CDT	TSTM WND DMG	Hector, MN	SCATTERED LARGE BRANCHES 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 21, 5:16 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.6 hours before the alert went out and 123 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: 971 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 973 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

879 
WUUS53 KMPX 220237
SVRMPX
MNC127-129-220330-
/O.NEW.KMPX.SV.W.0096.130622T0237Z-130622T0330Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN REDWOOD COUNTY IN SOUTHWEST MINNESOTA...
  RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1030 PM CDT

* AT 935 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 9 MILES NORTH OF OLIVIA TO 9 MILES WEST OF OLIVIA TO
  13 MILES EAST OF COTTONWOOD...AND MOVING EAST AT 25 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  OLIVIA...REDWOOD FALLS...BELVIEW...DELHI...BECHYN...BIRD ISLAND...
  NORTH REDWOOD...MORTON...HECTOR AND FRANKLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4455 9552 4454 9536 4468 9536 4474 9530
      4489 9503 4490 9468 4489 9454 4472 9467
      4448 9489 4448 9558
TIME...MOT...LOC 0237Z 269DEG 21KT 4490 9491 4474 9515
          4457 9540

HAIL...1.25IN
WIND...60MPH

$$

2 follow-up statements

165 
WWUS53 KMPX 220302
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1002 PM CDT FRI JUN 21 2013

MNC127-129-220330-
/O.CON.KMPX.SV.W.0096.000000T0000Z-130622T0330Z/
REDWOOD MN-RENVILLE MN-
1002 PM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR RENVILLE AND
NORTHERN REDWOOD COUNTIES UNTIL 1030 PM CDT...

AT 958 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 14 MILES NORTHEAST OF OLIVIA TO OLIVIA TO 7 MILES WEST
OF REDWOOD FALLS...AND MOVING EAST AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
REDWOOD FALLS...BIRD ISLAND...NORTH REDWOOD...HECTOR...MORTON AND
FRANKLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4455 9552 4454 9536 4465 9528 4473 9519
      4489 9494 4490 9477 4489 9455 4472 9467
      4448 9489 4448 9558
TIME...MOT...LOC 0302Z 269DEG 21KT 4489 9474 4473 9498
          4456 9523

HAIL...1.25IN
WIND...60MPH

$$

891 
WWUS53 KMPX 220320
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1020 PM CDT FRI JUN 21 2013

MNC127-129-220330-
/O.CON.KMPX.SV.W.0096.000000T0000Z-130622T0330Z/
REDWOOD MN-RENVILLE MN-
1020 PM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
RENVILLE AND NORTHEASTERN REDWOOD COUNTIES UNTIL 1030 PM CDT...

AT 1018 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES WEST OF HUTCHINSON TO 8 MILES SOUTHEAST OF
OLIVIA TO REDWOOD FALLS...AND MOVING EAST AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
HECTOR...MORTON AND FRANKLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4453 9529 4469 9509 4489 9480 4490 9469
      4489 9467 4489 9455 4472 9467 4448 9489
      4448 9531
TIME...MOT...LOC 0320Z 269DEG 21KT 4489 9459 4473 9483
          4456 9508

HAIL...1.25IN
WIND...60MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:13 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	62 min
Jun 21, 7:37 PM CDT	Flash Flood Warning	MPX	Anoka, Dakota, Hennepin, Ramsey	3 hr
Jun 21, 7:48 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Ramsey, Washington	42 min
Jun 21, 8:04 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet	41 min
Jun 21, 8:25 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	20 min
Jun 21, 8:27 PM CDT	Flash Flood Warning	MPX	Washington	4 hr
Jun 21, 8:38 PM CDT	Special Weather Statement	MPX	Goodhue	67 min
Jun 21, 8:38 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet	52 min
Jun 21, 8:58 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Scott, Sibley	47 min
Jun 21, 9:05 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Wright	40 min
Jun 21, 9:32 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	43 min
Jun 21, 9:51 PM CDT	Flash Flood Warning	MPX	Kandiyohi, Redwood, Renville, Yellow Medicine	6 hr
Jun 21, 10:33 PM CDT	Flash Flood Warning	MPX	Anoka, Dakota, Hennepin, Ramsey	6 hr
Jun 21, 10:51 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	39 min
Jun 21, 10:56 PM CDT	Flash Flood Warning	MPX	Brown, McLeod, Nicollet, Redwood, Renville, Sibley	6 hr
Jun 21, 11:09 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Scott, Sibley	51 min
Jun 21, 11:35 PM CDT	Flash Flood Warning	MPX	Brown, Martin, Watonwan	6 hr
Jun 21, 11:40 PM CDT	Flash Flood Warning	MPX	Faribault, Freeborn	6 hr
Jun 22, 12:46 AM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn, Martin	44 min
Jun 22, 1:29 AM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	61 min
Jun 22, 5:11 PM CDT	Special Weather Statement	MPX	Rice	49 min
Jun 22, 6:12 PM CDT	Flash Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chippewa, Douglas and 22 more	16 hr

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.