Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 377, NWS Twin Cities, MN

September 12, 2005Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 12, 2005, 8:14 AM CDT for Mille Lacs 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, 8:14 AM CDT (13:14 UTC)
Expired: Sep 12, 2005, 8:45 AM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Mille Lacs County, MN

What was reported inside it

Time	Report	Where	Remark
Sep 12, 8:19 AM CDT	HAIL 0.75	1 Nw Vineland, MN	DIME SIZE HAIL.

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, 1.2 hours before the alert went out and 143 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: 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 121314
SVRMPX
MNC095-121345-
/O.NEW.KMPX.SV.W.0377.050912T1314Z-050912T1345Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 845 AM CDT

* AT 811 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 9 MILES WEST OF ONAMIA...OR ABOUT 24 MILES NORTHWEST OF
  MILACA...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ONAMIA...
  VINELAND...
  BAYVIEW...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4615 9381 4598 9379 4605 9345 4622 9345
      4625 9377

$$

JPR

1 follow-up statement

000 
WWUS53 KMPX 121348
SVSMPX

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

MNC095-121357-
/O.EXP.KMPX.SV.W.0377.000000T0000Z-050912T1345Z/
MILLE LACS MN-
847 AM CDT MON SEP 12 2005

...THE SEVERE THUNDERSTORM WARNING FOR MILLE LACS COUNTY EXPIRED AT 
845 AM CDT...

THE STRONG TO SEVERE THUNDERSTORMS HAVE MOVED OUT OF NORTHERN MILE 
LACS COUNTY AND NO ADDITIONAL WARNINGS ARE ANTICIPATED. 

LAT...LON 4615 9381 4598 9379 4605 9345 4622 9345
      4625 9377

$$
JPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 12, 6:16 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	59 min
Sep 12, 7:09 AM CDT	Severe Thunderstorm Warning	MPX	Morrison	66 min
Sep 12, 7:14 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	31 min
Sep 12, 6:08 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	67 min
Sep 12, 6:16 PM CDT	Tornado Warning	MPX	Lac qui Parle, Yellow Medicine	59 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005 Every 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.