Alert archive / Minnesota / Wind Advisories in 2008

Wind Advisory 6, NWS Twin Cities, MN

May 12, 200813 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at May 12, 2008, 10:30 AM CDT for 13 counties in Minnesota. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 12, 2008, 10:30 AM CDT (15:30 UTC)
Expired
May 12, 2008, 7:00 PM CDT
In force
9 hr
Issued by
NWS Twin Cities, MN

Counties Brown County, MN, Chippewa County, MN, Douglas County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Martin County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Stevens County, MN, Swift County, MN, Watonwan County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 15:35 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 12:00Z, 3.5 hours before the alert went out and 136 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 12:00Z on 2008-05-12Temperature 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 12:00Z on 2008-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1614 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
175 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 121530
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1030 AM CDT MON MAY 12 2008

...STRONG SOUTHEAST WINDS OVER WEST CENTRAL AND PART OF SOUTHWEST
MINNESOTA INTO EARLY EVENING...

.A SHARP CONTRAST IN PRESSURE IN ADVANCE OF A LOW PRESSURE TROUGH
IS HELPING POWER A STRONG GUSTY SOUTHEAST WIND OF 25 TO
35 MPH ALONG AND NEAR THE WEST END OF THE MINNESOTA RIVER VALLEY
THIS MONDAY.  WIND GUSTS OF 40 TO 45 MPH CAN ALSO BE EXPECTED.
WIND SPEEDS ARE EXPECTED TO DECREASE LATER THIS EVENING AS THE
LOW PRESSURE TROUGH MOVES CLOSER TO WESTERN MINNESOTA.

MNZ041-047-048-054>057-064-065-073-074-082-091-122330-
/O.NEW.KMPX.WI.Y.0006.080512T1530Z-080513T0000Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-
YELLOW MEDICINE-RENVILLE-REDWOOD-BROWN-WATONWAN-MARTIN-
INCLUDING THE CITIES OF...ALEXANDRIA...MORRIS...GLENWOOD...
MADISON...BENSON...MONTEVIDEO...WILLMAR...GRANITE FALLS...
OLIVIA...REDWOOD FALLS...NEW ULM...ST. JAMES...FAIRMONT
1030 AM CDT MON MAY 12 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

A SHARP CONTRAST IN PRESSURE IN ADVANCE OF A LOW PRESSURE TROUGH
IS HELPING POWER A STRONG GUSTY SOUTHEAST WIND OF 25 TO
35 MPH ALONG AND NEAR THE WEST END OF THE MINNESOTA RIVER VALLEY
THIS MONDAY. WIND GUSTS OF 40 TO 45 MPH CAN ALSO BE EXPECTED. WIND
SPEEDS WILL DROP BELOW ADVISORY CRITERIA THIS EVENING AS THE
TROUGH TO OUR WEST APPROACHES WESTERN MINNESOTA.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

Nearby

Wind Advisories in Minnesota, 2008Every wind advisory in 2008

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.