Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 95, NWS Twin Cities, MN

June 21, 2013Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 21, 2013, 9:32 PM CDT for Le Sueur County, Rice County, Minnesota. It was in force for 43 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, 9:32 PM CDT (02:32 UTC)
Expired: Jun 21, 2013, 10:15 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Le Sueur County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 49 km from the middle of the area, began a volume at 02:35 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, 9:50 PM CDT	TSTM WND GST 58	10 Nw Faribault, MN
Jun 21, 9:50 PM CDT	HAIL 1	10 Nw Faribault, MN

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, 2.5 hours before the alert went out and 50 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.

852 
WUUS53 KMPX 220232
SVRMPX
MNC079-131-220315-
/O.NEW.KMPX.SV.W.0095.130622T0232Z-130622T0315Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1015 PM CDT

* AT 930 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
  LE CENTER...AND MOVING EAST AT 20 MPH.

  HAZARD...PING PONG 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...
  MONTGOMERY...VESELI...LONSDALE AND WEBSTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4435 9368 4447 9365 4455 9333 4454 9329
      4434 9326 4427 9364
TIME...MOT...LOC 0232Z 250DEG 19KT 4439 9359

HAIL...1.50IN
WIND...60MPH

$$

1 follow-up statement

339 
WWUS53 KMPX 220242
SVSMPX

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

MNC079-131-220315-
/O.CON.KMPX.SV.W.0095.000000T0000Z-130622T0315Z/
LE SUEUR MN-RICE MN-
942 PM CDT FRI JUN 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
RICE AND EAST CENTRAL LE SUEUR COUNTIES UNTIL 1015 PM CDT...

AT 939 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES EAST OF LE
CENTER...AND MOVING EAST AT 20 MPH.

HAZARD...PING PONG 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...
VESELI...LONSDALE AND WEBSTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4437 9359 4449 9358 4455 9333 4454 9329
      4437 9326 4431 9356
TIME...MOT...LOC 0242Z 253DEG 19KT 4438 9352

HAIL...1.50IN
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, 9:37 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	53 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.