Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 218, NWS Twin Cities, MN

July 17, 2005Pierce County, Saint Croix County, Wisconsin; Dakota County, Goodhue County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 17, 2005, 9:28 PM CDT for Pierce County, Saint Croix County, Wisconsin; Dakota County, Goodhue County, Washington County, Minnesota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 17, 2005, 9:28 PM CDT (02:28 UTC)
Expired
Jul 17, 2005, 10:02 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dakota County, MN, Goodhue County, MN, Washington County, MN, Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 66 km from the middle of the area, began a volume at 02:31 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 69 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 2005-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2721 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 2005-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
2721 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 180228
SVRMPX
MNC037-049-163-WIC093-109-180300-
/O.NEW.KMPX.SV.W.0218.050718T0228Z-050718T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES-CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
928 PM CDT SUN JUL 17 2005

THE NATIONAL WEATHER SERVICE IN TWIN CITIES-CHANHASSEN MN HAS ISSUED
A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 1000 PM CDT

* AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM HUDSON TO 6 MILES SOUTHWEST OF ZUMBROTA...OR ALONG A LINE
  EXTENDING FROM 60 MILES SOUTHWEST OF RICE LAKE TO 59 MILES
  NORTHEAST OF NORTHWOOD...AND MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROBERTS BY 935 PM CDT
  HAMMOND AND ELLSWORTH BY 940 PM CDT
  BALDWIN BY 945 PM CDT

MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS INJURY AND
SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 4512 9289 4426 9303 4424 9260 4511 9226

$$

BERDES
2 follow-up statements
000 
WWUS53 KMPX 180246
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES-CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
946 PM CDT SUN JUL 17 2005

MNC037-049-163-WIC093-109-180300-
/O.CON.KMPX.SV.W.0218.000000T0000Z-050718T0300Z/
WASHINGTON MN-DAKOTA MN-GOODHUE MN-ST. CROIX WI-PIERCE WI-
946 PM CDT SUN JUL 17 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1000 PM CDT FOR
PIERCE...ST. CROIX...GOODHUE...DAKOTA AND WASHINGTON COUNTIES...

AT 944 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ROBERTS TO WANAMINGO...OR ALONG A LINE EXTENDING FROM
56 MILES SOUTHWEST OF RICE LAKE TO 62 MILES NORTH OF NORTHWOOD...
MOVING EAST AT 35 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  RED WING BY 955 PM CDT
  HAMMOND BY 1000 PM CDT

MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS INJURY AND
SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 4512 9289 4426 9303 4424 9260 4511 9226

$$

BERDES
000 
WWUS53 KMPX 180302
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES-CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
1002 PM CDT SUN JUL 17 2005

MNC037-049-163-WIC093-109-180312-
/O.EXP.KMPX.SV.W.0218.000000T0000Z-050718T0300Z/
WASHINGTON MN-DAKOTA MN-GOODHUE MN-ST. CROIX WI-PIERCE WI-
1002 PM CDT SUN JUL 17 2005

...THE SEVERE THUNDERSTORM WARNING FOR PIERCE...ST. CROIX...
GOODHUE...DAKOTA AND WASHINGTON COUNTIES EXPIRED AT 1000 PM CDT...

THE THUNDERSTORM THAT PROMPTED THE WARNING IS NO LONGER A THREAT. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4512 9289 4426 9303 4424 9260 4511 9226

$$

KFM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 11:20 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire26 min
Jul 17, 11:53 PM CDTSevere Thunderstorm WarningMPXEau Claire20 min
Jul 17, 8:47 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca58 min
Jul 17, 9:41 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele34 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005Severe Thunderstorm Warnings in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.