Alert archive / Minnesota / Wind Advisories in 2007

Wind Advisory 4, NWS Twin Cities, MN

April 21, 200710 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at Apr 21, 2007, 3:46 AM CDT for 10 counties in Minnesota. It took effect at Apr 21, 2007, 1:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2007, 3:46 AM CDT (08:46 UTC)
In effect from
Apr 21, 2007, 1:00 PM CDT
Expired
Apr 21, 2007, 8:00 PM CDT
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Martin County, MN, Redwood County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 108 km from the middle of the area, began a volume at 08:49 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, 8.8 hours before the alert went out and 106 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 2007-04-21Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2007-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1916 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
95 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 210846
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
346 AM CDT SAT APR 21 2007

...STRONG...GUSTY WINDS THIS AFTERNOON...

.STRONG SOUTH WINDS...SUSTAINED AROUND 30 MPH WITH SOME GUSTS
AROUND 40 MPH WILL DEVELOP ACROSS SOUTHERN MINNESOTA THIS
AFTERNOON. A WIND ADVISORY HAS BEEN POSTED FROM THE AROUND ALONG
AND SOUTH OF THE MINNESOTA RIVER VALLEY...NEAR FROM GRANITE
FALLS...TO NEW ULM...AND EAST TO OWATONNA. THE SOUTH WINDS
DEVELOPED OUT AHEAD OF A COLD FRONT AND LOW PRESSURE SYSTEM ACROSS
THE DAKOTAS. THE STRONG WINDS WILL DIMINISH AFTER DARK.

MNZ064-073-074-082>085-091>093-211700-
/O.NEW.KMPX.WI.Y.0004.070421T1800Z-070422T0100Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...GRANITE FALLS...REDWOOD FALLS...
NEW ULM...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...
BLUE EARTH...ALBERT LEA
346 AM CDT SAT APR 21 2007

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING. 

STRONG SOUTH WINDS...SUSTAINED AROUND 30 MPH WITH SOME GUSTS TO
40 MPH WILL DEVELOP ACROSS SOUTHERN MINNESOTA THIS AFTERNOON. THE
AREA INCLUDED IN THE ADVISORY IS LOCATED ALONG AND SOUTH OF THE
MINNESOTA RIVER VALLEY...FROM NEAR GRANITE FALLS...TO NEW ULM...AND
EAST TO OWATONNA. THE SOUTH WINDS DEVELOPED OUT AHEAD OF A COLD
FRONT AND LOW PRESSURE SYSTEM ACROSS THE DAKOTAS. THE STRONG WINDS
ARE EXPECTED TO DIMINISH AFTER DARK.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
2 follow-up statements
000 
WWUS73 KMPX 210849 CCA
NPWMPX

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
346 AM CDT SAT APR 21 2007

...STRONG...GUSTY WINDS THIS AFTERNOON...

.STRONG SOUTH WINDS...SUSTAINED AROUND 30 MPH WITH SOME GUSTS
AROUND 40 MPH WILL DEVELOP ACROSS SOUTHERN MINNESOTA THIS AFTERNOON. 
A WIND ADVISORY HAS BEEN POSTED ALONG AND SOUTH OF THE MINNESOTA 
RIVER VALLEY...NEAR GRANITE FALLS...TO NEW ULM...AND EAST TO 
OWATONNA. THE SOUTH WINDS DEVELOPED OUT AHEAD OF A COLD FRONT AND 
LOW PRESSURE SYSTEM ACROSS THE DAKOTAS. THE STRONG WINDS WILL 
DIMINISH AFTER DARK.

MNZ064-073-074-082>085-091>093-211700-
/O.NEW.KMPX.WI.Y.0004.070421T1800Z-070422T0100Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...GRANITE FALLS...REDWOOD FALLS...
NEW ULM...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...
BLUE EARTH...ALBERT LEA
346 AM CDT SAT APR 21 2007

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING. 

STRONG SOUTH WINDS...SUSTAINED AROUND 30 MPH WITH SOME GUSTS TO
40 MPH WILL DEVELOP ACROSS SOUTHERN MINNESOTA THIS AFTERNOON. THE
AREA INCLUDED IN THE ADVISORY IS LOCATED ALONG AND SOUTH OF THE
MINNESOTA RIVER VALLEY...FROM NEAR GRANITE FALLS...TO NEW ULM...AND
EAST TO OWATONNA. THE SOUTH WINDS DEVELOPED OUT AHEAD OF A COLD
FRONT AND LOW PRESSURE SYSTEM ACROSS THE DAKOTAS. THE STRONG WINDS
ARE EXPECTED TO DIMINISH AFTER DARK.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
000 
WWUS73 KMPX 211840
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
140 PM CDT SAT APR 21 2007

...GUSTY SOUTH WINDS ON THE INCREASE...

.SOUTH WINDS HAVE INCREASED BY EARLY AFTERNOON WITH WINDS GUSTING
TO AROUND 40 MPH AT FAIRMONT...NEW ULM AND DODGE CENTER. WINDS
WILL CONTINUE TO REMAIN GUSTY WITH SUSTAINED WIND SPEEDS OVER 30
MPH AND GUSTS TO 40 MPH OR BETTER INTO THE EARLY EVENING HOURS
ACROSS SOUTH CENTRAL INTO WEST CENTRAL MINNESOTA. A WIND ADVISORY
REMAINS IN EFFECT ACROSS SOUTH CENTRAL INTO THAT PART OF WEST
CENTRAL MINNESOTA SOUTH OF CANBY UNTIL 8 PM THIS EVENING. THESE
GUSTY WINDS ARE AHEAD OF A SLOW MOVING COLD FRONT IN THE DAKOTAS.

MNZ064-073-074-082>085-091>093-220100-
/O.CON.KMPX.WI.Y.0004.000000T0000Z-070422T0100Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...GRANITE FALLS...REDWOOD FALLS...
NEW ULM...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...
BLUE EARTH...ALBERT LEA
140 PM CDT SAT APR 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. 

SOUTH WINDS HAVE INCREASED BY EARLY AFTERNOON WITH WINDS GUSTING
TO AROUND 40 MPH AT FAIRMONT...NEW ULM AND DODGE CENTER. WINDS
WILL CONTINUE TO REMAIN GUSTY WITH SUSTAINED WIND SPEEDS OVER 30
MPH AND GUSTS TO 40 MPH OR BETTER INTO THE EARLY EVENING HOURS
ACROSS SOUTH CENTRAL INTO WEST CENTRAL MINNESOTA. A WIND ADVISORY
REMAINS IN EFFECT ACROSS SOUTH CENTRAL INTO THAT PART OF WEST
CENTRAL MINNESOTA SOUTH OF CANBY UNTIL 8 PM THIS EVENING. THESE
GUSTY WINDS ARE AHEAD OF A SLOW MOVING COLD FRONT IN THE DAKOTAS.


WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
BAP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 6:12 AM CDTSevere Thunderstorm WarningMPXStearns40 min
Apr 21, 9:47 AM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Renville, Sibley, Wright58 min
Apr 21, 11:31 AM CDTSevere Thunderstorm WarningMPXSherburne29 min
Apr 21, 11:57 AM CDTSevere Thunderstorm WarningMPXIsanti33 min
Apr 21, 12:16 PM CDTSevere Thunderstorm WarningMPXChisago44 min

Nearby

Wind Advisories in Minnesota, 2007Every wind advisory in 2007

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.