Alert archive / Minnesota / High Wind Warnings in 2006

High Wind Warning 1, NWS Twin Cities, MN

August 20, 20068 counties in Minnesota

NWS Twin Cities, MN issued this high wind warning at Aug 20, 2006, 11:19 PM CDT for 8 counties in Minnesota. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 20, 2006, 11:19 PM CDT (04:19 UTC)
Expired
Aug 21, 2006, 1:20 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN

Counties Chippewa County, MN, Douglas County, MN, Lac qui Parle County, MN, Pope County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 174 km from the middle of the area, began a volume at 04:23 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, 4.3 hours before the alert went out and 171 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 2006-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2006-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1496 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
46 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 
WWUS73 KMPX 210419
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1119 PM CDT SUN AUG 20 2006

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT MONDAY...

.AN AREA OF LOW PRESSURE HAS DEVELOPED BEHIND A LINE OF SHOWERS
AND THUNDERSTORMS MOVING SOUTHEAST ACROSS WESTERN MINNESOTA. AS
THE BACK EDGE OF THESE SHOWERS AND THUNDERSTORMS PASSES...WINDS
WILL INCREASE DRAMATICALLY AND POTENTIALLY GUST TO AROUND 60 MPH.
WIND GUSTS TO 60 MPH HAVE OCCURRED IN SOUTH DAKOTA JUST WEST OF
THE MINNESOTA BORDER.

MNZ041-042-047-048-054>056-064-210800-
/O.NEW.KMPX.HW.W.0001.060821T0419Z-060821T0800Z/
DOUGLAS-TODD-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-
YELLOW MEDICINE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...MADISON...BENSON...MONTEVIDEO...GRANITE FALLS
1119 PM CDT SUN AUG 20 2006

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 3 AM CDT MONDAY. 

AN AREA OF LOW PRESSURE HAS DEVELOPED BEHIND A LINE OF SHOWERS
AND THUNDERSTORMS MOVING SOUTHEAST ACROSS WESTERN MINNESOTA. AS
THE BACK EDGE OF THESE SHOWERS AND THUNDERSTORMS PASS WINDS WILL
INCREASE DRAMATICALLY AND POTENTIALLY GUST TO AROUND 60 MPH. WIND
GUSTS TO 60 MPH HAVE OCCURRED IN SOUTH DAKOTA JUST WEST OF THE
MINNESOTA BORDER.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MDB/MTF
1 follow-up statement
000 
WWUS73 KMPX 210620
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
120 AM CDT MON AUG 21 2006

...HIGH WIND WARNING CANCELLED...

.HIGH WINDS THAT WERE THE RESULT OF A SMALL SCALE LOW PRESSURE AREA
THAT DEVELOPED BEHIND AN ADVANCING LINE OF SHOWERS AND
THUNDERSTORMS HAVE WEAKENED SIGNIFICANTLY. THEREFORE THE HIGH WIND
WARNING HAS BEEN CANCELLED. ISOLATED WIND GUSTS TO AROUND 30 MPH
WILL BE POSSIBLE THROUGH 2 AM...BUT WILL SUBSIDE SOON AFTER.

MNZ041-042-047-048-054>056-064-210730-
/O.CAN.KMPX.HW.W.0001.000000T0000Z-060821T0800Z/
DOUGLAS-TODD-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-
YELLOW MEDICINE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...MADISON...BENSON...MONTEVIDEO...GRANITE FALLS
120 AM CDT MON AUG 21 2006

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS
CANCELLED THE HIGH WIND WARNING.

HIGH WINDS THAT WERE THE RESULT OF A SMALL SCALE LOW PRESSURE AREA
THAT DEVELOPED BEHIND AN ADVANCING LINE OF SHOWERS AND
THUNDERSTORMS HAVE WEAKENED SIGNIFICANTLY. THEREFORE THE HIGH WIND
WARNING HAS BEEN CANCELLED. ISOLATED WIND GUSTS TO AROUND 30 MPH
WILL BE POSSIBLE THROUGH 2 AM...BUT WILL SUBSIDE SOON AFTER. 

$$

MDB

Nearby

High Wind Warnings in Minnesota, 2006Every high wind warning in 2006

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.