Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 266, NWS Twin Cities, MN

August 8, 2005McLeod County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 8, 2005, 8:30 AM CDT for McLeod County, Renville County, Minnesota. It was in force for 39 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
Aug 8, 2005, 8:30 AM CDT (13:30 UTC)
Expired
Aug 8, 2005, 9:09 AM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties McLeod County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 72 km from the middle of the area, began a volume at 13:34 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
Aug 8, 8:30 AM CDTHAIL 0.75Lakeside, MN
Aug 8, 8:35 AM CDTHAIL 0.75Stewart, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 8, 5:25 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 1.5 hours before the alert went out and 310 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, Aberdeen, SD at 12:00Z on 2005-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 227 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, Aberdeen, SD at 12:00Z on 2005-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939Sfc1 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
227 J/kg
Mixed-layer CIN
-383 J/kg
Mixed-layer LCL
2934 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
122 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 081330
SVRMPX
MNC085-129-081415-
/O.NEW.KMPX.SV.W.0266.050808T1330Z-050808T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
830 AM CDT MON AUG 8 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  RENVILLE COUNTY IN CENTRAL MINNESOTA

* UNTIL 915 AM CDT

* AT 830 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED NEAR
  LAKESIDE...OR ABOUT 11 MILES SOUTHWEST OF HUTCHINSON...AND MOVING
  EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STEWART...
  BROWNTON...
  SUMTER...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4488 9461 4473 9466 4464 9427 4479 9419

$$
2 follow-up statements
000 
WWUS53 KMPX 081345
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
843 AM CDT MON AUG 8 2005

MNC129-081353-
/O.CAN.KMPX.SV.W.0266.000000T0000Z-050808T1415Z/
RENVILLE MN-
843 AM CDT MON AUG 8 2005

...THE SEVERE THUNDERSTORM WARNING FOR RENVILLE COUNTY IS
CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED EAST OF 
RENVILLE COUNTY.

LAT...LON 4482 9448 4470 9448 4464 9427 4479 9419

$$

MNC085-081415-
/O.CON.KMPX.SV.W.0266.000000T0000Z-050808T1415Z/
MCLEOD MN-
843 AM CDT MON AUG 8 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 915 AM CDT FOR
MCLEOD COUNTY...

AT 842 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS 
LOCATED NEAR BROWNTON...OR ABOUT 9 MILES SOUTH OF HUTCHINSON. THE
STORM WAS MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMTER.

LAT...LON 4482 9448 4470 9448 4464 9427 4479 9419

$$
000 
WWUS53 KMPX 081409
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
906 AM CDT MON AUG 8 2005

MNC085-081416-
/O.CAN.KMPX.SV.W.0266.000000T0000Z-050808T1415Z/
MCLEOD MN-
906 AM CDT MON AUG 8 2005

...THE SEVERE THUNDERSTORM WARNING FOR MCLEOD COUNTY IS CANCELLED...

RADAR INDICATES THAT THE STORM IN FAR SOUTHERN MCLEOD COUNTY... 
BETWEEN BROWNTON AND NEW AUBURN HAS WEAKENED AND IS NO LONGER 
SEVERE. 

LAT...LON 4482 9448 4470 9448 4464 9427 4479 9419

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 4:19 AM CDTSevere Thunderstorm WarningMPXDakota, Washington56 min
Aug 8, 5:04 AM CDTSevere Thunderstorm WarningMPXCarver, Wright56 min
Aug 8, 5:50 AM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey56 min
Aug 8, 6:06 AM CDTSevere Thunderstorm WarningMPXNicollet19 min
Aug 8, 6:10 AM CDTSevere Thunderstorm WarningMPXWashington50 min
Aug 8, 6:31 AM CDTSevere Thunderstorm WarningMPXMcLeod, Renville39 min
Aug 8, 5:54 PM CDTSevere Thunderstorm WarningMPXLac qui Parle66 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.