Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 102, NWS Twin Cities, MN

June 23, 20136 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 2013, 4:16 AM CDT for 6 counties in Minnesota. It was in force for 59 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 23, 2013, 4:16 AM CDT (09:16 UTC)
Expired
Jun 23, 2013, 5:15 AM CDT
In force
59 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carver County, MN, Hennepin County, MN, McLeod County, MN, Scott County, MN, Sibley County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 20 km from the middle of the area, began a volume at 09:17 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, 4:30 AM CDTTSTM WND DMGDelano, MNSEVERAL TREES AND LARGE BRANCHES DOWN AROUND DELANO
Jun 23, 4:45 AM CDTTSTM WND DMG2 Ne Gaylord, MNSEVERAL TREES DOWN ALONG COUNTY ROAD 21.

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, 9.3 hours before the alert went out and 17 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°0°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.

217 
WUUS53 KMPX 230916
SVRMPX
MNC019-053-085-139-143-171-231015-
/O.NEW.KMPX.SV.W.0102.130623T0916Z-130623T1015Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA...
  WESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
  EASTERN WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 515 AM CDT

* AT 412 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM BUFFALO TO 8 MILES WEST OF WACONIA TO GAYLORD...AND
  MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  WACONIA...EXCELSIOR...MAPLE GROVE...MINNETONKA...PLYMOUTH...THE
  LAKE MINNETONKA AREA...MAYER...WATERTOWN...DELANO...ARLINGTON...
  HAMBURG...NORWOOD/YOUNG AMERICA...GREEN ISLE...ROCKFORD...NEW
  ROME...ST MICHAEL...ALBERTVILLE...GREENFIELD...ST BONIFACIUS AND
  HANOVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4449 9439 4487 9407 4526 9388 4527 9355
      4523 9349 4522 9344 4517 9337 4489 9344
      4454 9382 4455 9391 4452 9388 4451 9389
      4451 9390
TIME...MOT...LOC 0916Z 267DEG 19KT 4521 9382 4487 9393
          4453 9425

HAIL...0.75IN
WIND...60MPH

$$
1 follow-up statement
334 
WWUS53 KMPX 230956
SVSMPX

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

MNC019-053-085-139-143-171-231015-
/O.CON.KMPX.SV.W.0102.000000T0000Z-130623T1015Z/
CARVER MN-HENNEPIN MN-MCLEOD MN-SCOTT MN-SIBLEY MN-WRIGHT MN-
456 AM CDT SUN JUN 23 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
WRIGHT...EASTERN SIBLEY...WESTERN SCOTT...EAST CENTRAL MCLEOD...
WESTERN HENNEPIN AND CARVER COUNTIES UNTIL 515 AM CDT...

AT 454 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHWEST OF MAPLE GROVE TO 9 MILES NORTHEAST
OF GLENCOE TO 8 MILES EAST OF GAYLORD...AND MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
WACONIA...MAPLE GROVE...PLYMOUTH...EXCELSIOR...MINNETONKA...THE LAKE
MINNETONKA AREA...ROGERS...MAYER...HAMBURG...CORCORAN...
INDEPENDENCE...NORWOOD/YOUNG AMERICA...LORETTO...MAPLE PLAIN...
DAYTON...HENDERSON...HAMEL...MEDINA...ST BONIFACIUS AND MINNETRISTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4487 9408 4513 9377 4518 9369 4523 9355
      4522 9344 4517 9337 4490 9343 4457 9378
      4455 9382 4455 9391 4451 9389 4451 9432
TIME...MOT...LOC 0956Z 267DEG 19KT 4516 9357 4484 9397
          4454 9405

HAIL...0.75IN
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, 4:41 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Faribault, Le Sueur, Martin, Nicollet and 2 more49 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.