Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 374, NWS Twin Cities, MN

September 12, 2005Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 12, 2005, 6:16 AM CDT for Stearns County, Minnesota. It was in force for 59 min. 4 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
Sep 12, 2005, 6:16 AM CDT (11:16 UTC)
Expired
Sep 12, 2005, 7:15 AM CDT
In force
59 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Stearns County, MN

The radar

The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 11:19 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, 6:36 AM CDTHAIL 1Greenwald, MN
Sep 12, 6:41 AM CDTHAIL 1Freeport, MN
Sep 12, 6:41 AM CDTHAIL 1Freeport, MN
Sep 12, 6:41 AM CDTHAIL 1New Munich, 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 00:00Z, 11.3 hours before the alert went out and 132 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 2005-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 181 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 2005-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
181 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1889 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 121116
SVRMPX
MNC145-121215-
/O.NEW.KMPX.SV.W.0374.050912T1116Z-050912T1215Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 715 AM CDT

* AT 611 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 17 MILES   
  SOUTH OF SAUK CENTRE...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SAUK CENTRE...
  ALBANY...
  GREENWALD...
  MELROSE...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4560 9512 4543 9512 4544 9469 4577 9431
      4578 9463 4576 9512

$$

RAH
1 follow-up statement
000 
WWUS53 KMPX 121141
SVSMPX

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

MNC145-121215-
/O.CON.KMPX.SV.W.0374.000000T0000Z-050912T1215Z/
STEARNS MN-
640 AM CDT MON SEP 12 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR STEARNS COUNTY...

AT 636 AM...HAIL THE SIZE OF QUARTERS WAS REPORTED BY STATE POLICE 
IN GREENWALD WITH THIS STORM.

AT 638 AM CDT...THIS STORM WAS LOCATED NEAR GREENWALD...AND MOVING 
NORTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MELROSE...NEW MUNICH AND ST 
ROSA.

LAT...LON 4560 9512 4543 9512 4544 9469 4577 9431
      4578 9463 4576 9512

$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 7:09 AM CDTSevere Thunderstorm WarningMPXMorrison66 min
Sep 12, 7:14 AM CDTSevere Thunderstorm WarningMPXKandiyohi31 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.