Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 103, NWS Twin Cities, MN

June 23, 20138 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 2013, 4:41 AM CDT for 8 counties in Minnesota. It was in force for 49 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
Jun 23, 2013, 4:41 AM CDT (09:41 UTC)
Expired
Jun 23, 2013, 5:30 AM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Sibley County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 09:40 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

TimeReportWhereRemark
Jun 23, 5:00 AM CDTTSTM WND DMG1 S Mankato, MNFEW TREES AND LARGE BRANCHES DOWN.

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 00:00Z, 9.7 hours before the alert went out and 99 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2013-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 526 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2013-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
526 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

769 
WUUS53 KMPX 230941
SVRMPX
MNC013-015-043-079-091-103-143-165-231030-
/O.NEW.KMPX.SV.W.0103.130623T0941Z-130623T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
441 AM CDT SUN JUN 23 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  EXTREME SOUTHEASTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  WESTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA...
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
  EASTERN WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 530 AM CDT

* AT 436 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 7 MILES SOUTHWEST OF GAYLORD TO 7 MILES SOUTHEAST OF
  MADELIA TO 7 MILES SOUTH OF FAIRMONT...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...
  MANKATO...BLUE EARTH...ST PETER...LE CENTER...LAKE CRYSTAL...NEW
  SWEDEN...NICOLLET...EAST CHAIN...VERNON CENTER...GUCKEEN...AMBOY...
  WINNEBAGO...HUNTLEY...NORSELAND...GOOD THUNDER...RUSH RIVER...
  SKYLINE...NORTH MANKATO...KASOTA AND OTTAWA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4400 9443 4450 9437 4451 9373 4420 9372
      4419 9377 4385 9377 4351 9389 4351 9452
TIME...MOT...LOC 0940Z 265DEG 33KT 4447 9424 4401 9425
          4355 9438

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

$$
1 follow-up statement
275 
WWUS53 KMPX 230958
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
458 AM CDT SUN JUN 23 2013

MNC015-165-231008-
/O.CAN.KMPX.SV.W.0103.000000T0000Z-130623T1030Z/
BROWN MN-WATONWAN MN-
458 AM CDT SUN JUN 23 2013

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WATONWAN AND EXTREME
SOUTHEASTERN BROWN COUNTIES IS CANCELLED...

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

LAT...LON 4351 9442 4399 9430 4450 9430 4451 9373
      4420 9372 4419 9377 4385 9377 4351 9389
TIME...MOT...LOC 0958Z 265DEG 33KT 4448 9401 4402 9402
          4356 9415

$$

MNC013-043-079-091-103-143-231030-
/O.CON.KMPX.SV.W.0103.000000T0000Z-130623T1030Z/
FARIBAULT MN-LE SUEUR MN-MARTIN MN-NICOLLET MN-SIBLEY MN-
BLUE EARTH MN-
458 AM CDT SUN JUN 23 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BLUE EARTH...
SOUTHEASTERN SIBLEY...EASTERN NICOLLET...EASTERN MARTIN...WESTERN LE
SUEUR AND FARIBAULT COUNTIES UNTIL 530 AM CDT...

AT 454 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 9 MILES SOUTHEAST OF GAYLORD TO 11 MILES SOUTH OF
MANKATO TO 7 MILES SOUTHWEST OF BLUE EARTH...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...
MANKATO...BLUE EARTH...ST PETER...LE CENTER...KASOTA...OTTAWA...
DELAVAN...MAPLETON...LE SUEUR...EAGLE LAKE...ST CLAIR...CLEVELAND...
ST THOMAS...EASTON...MADISON LAKE...ST HENRY...FROST...PEMBERTON...
MINNESOTA LAKE AND GREENLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9442 4399 9430 4450 9430 4451 9373
      4420 9372 4419 9377 4385 9377 4351 9389
TIME...MOT...LOC 0958Z 265DEG 33KT 4448 9401 4402 9402
          4356 9415

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 12:33 AM CDTSpecial Weather StatementMPXRedwood42 min
Jun 23, 12:54 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville51 min
Jun 23, 2:19 AM CDTAreal Flood WarningMPXChippewa, Lac qui Parle, Redwood, Renville, Yellow Medicine6 hr
Jun 23, 2:32 AM CDTSpecial Weather StatementMPXLac qui Parle, Yellow Medicine58 min
Jun 23, 2:39 AM CDTSpecial Weather StatementMPXRenville51 min
Jun 23, 3:11 AM CDTRiver Flood WarningMPXRedwood4 days
Jun 23, 4:16 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod, Scott, Sibley, Wright59 min
Jun 23, 4:58 AM CDTAreal Flood WarningMPXCarver, McLeod, Meeker, Sibley, Wright6 hr
Jun 23, 5:47 AM CDTAreal Flood WarningMPXAnoka, Dakota, Hennepin, Ramsey, Scott, Washington3 hr
Jun 23, 6:15 AM CDTSpecial Weather StatementMPXChisago, Kanabec, Mille Lacs30 min
Jun 23, 6:16 AM CDTFlash Flood WarningMPXMcLeod3 hr
Jun 23, 6:57 AM CDTFlash Flood WarningMPXWright3 hr
Jun 23, 10:22 AM CDTRiver Flood WatchMPXCarver11 hr
Jun 23, 10:22 AM CDTRiver Flood WatchMPXWright26 hr
Jun 23, 10:22 AM CDTRiver Flood WatchMPXHennepin, Wright26 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2013Every 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.