Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 376, NWS Twin Cities, MN

September 12, 2005Kandiyohi County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 12, 2005, 7:14 AM CDT for Kandiyohi County, Minnesota. It was in force for 31 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
Sep 12, 2005, 7:14 AM CDT (12:14 UTC)
Expired
Sep 12, 2005, 7:45 AM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Kandiyohi County, MN

The radar

The Minneapolis radar (KMPX), 130 km from the middle of the area, began a volume at 12:15 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
Sep 12, 7:35 AM CDTHAIL 0.885 Nw Spicer, MN

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 12:00Z, 0.2 hours before the alert went out and 128 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 12:00Z on 2005-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 858 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 12:00Z on 2005-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
858 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 121214
SVRMPX
MNC067-121245-
/O.NEW.KMPX.SV.W.0376.050912T1214Z-050912T1245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
714 AM CDT MON SEP 12 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KANDIYOHI COUNTY IN CENTRAL MINNESOTA

* UNTIL 745 AM CDT

* AT 711 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 8 MILES SOUTH OF SUNBURG...OR ABOUT 11 MILES NORTHWEST OF
  WILLMAR...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SUNBURG...
  NEW LONDON...
  REGAL...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4521 9524 4522 9500 4541 9478 4541 9526

$$

RAH
1 follow-up statement
000 
WWUS53 KMPX 121246
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
745 AM CDT MON SEP 12 2005

MNC067-121255-
/O.EXP.KMPX.SV.W.0376.000000T0000Z-050912T1245Z/
KANDIYOHI MN-
745 AM CDT MON SEP 12 2005

...THE SEVERE THUNDERSTORM WARNING FOR KANDIYOHI COUNTY WILL EXPIRE
AT 745 AM CDT...

THUNDERSTORMS CONTINUE FROM REGAL TO NEW LONDON TO SPICER TO WILLMAR 
AT 7:45 AM. HOWEVER THE STORMS HAVE WEAKENED BELOW SEVERE LIMITS. 
RESIDENTS IN EASTERN KANDIYOHI COUNTY CAN EXPECT HALF INCH SIZED 
HAIL AND WIND GUSTS TO 45 MPH THROUGH 8:30 AM AS THE STORMS MOVE 
EAST. 

LAT...LON 4521 9524 4522 9500 4541 9478 4541 9526

$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 6:16 AM CDTSevere Thunderstorm WarningMPXStearns59 min
Sep 12, 7:09 AM CDTSevere Thunderstorm WarningMPXMorrison66 min
Sep 12, 8:14 AM CDTSevere Thunderstorm WarningMPXMille Lacs31 min
Sep 12, 6:08 PM CDTSevere Thunderstorm WarningMPXYellow Medicine67 min
Sep 12, 6:16 PM CDTTornado WarningMPXLac qui Parle, Yellow Medicine59 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005Every severe thunderstorm warning in 2005

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.