Alert archive / Minnesota / High Wind Warnings in 2008

High Wind Warning 2, NWS Twin Cities, MN

July 29, 20085 counties in Minnesota

NWS Twin Cities, MN issued this high wind warning at Jul 29, 2008, 2:59 AM CDT for 5 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
Jul 29, 2008, 2:59 AM CDT (07:59 UTC)
Expired
Jul 29, 2008, 5:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN

Counties Douglas County, MN, Pope County, MN, Stearns County, MN, Stevens County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 167 km from the middle of the area, began a volume at 08:02 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, 8.0 hours before the alert went out and 165 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 2008-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1538 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 2008-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1538 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KMPX 290759
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
259 AM CDT TUE JUL 29 2008

...HIGH WIND WARNING FOR A PART OF WEST CENTRAL MINNESOTA UNTIL 5
AM...

.WIND GUSTS OF 50 MPH OR STRONGER CAN BE EXPECTED UNTIL AROUND 5
AM IN THE WAKE OF STRONG THUNDERSTORMS WHICH PASSED ACROSS CENTRAL
MINNESOTA. WIND GUSTS OF 50 MPH OR STRONGER HAVE BEEN REPORTED IN
AREAS SUCH AS MORRIS...ALEXANDRIA...AS WELL AS WHEATON.

MNZ041-042-047>049-291000-
/O.NEW.KMPX.HW.W.0002.080729T0759Z-080729T1000Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD
259 AM CDT TUE JUL 29 2008

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM CDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 AM CDT EARLY
THIS MORNING. 

WIND GUSTS OF 50 MPH OR STRONGER CAN BE EXPECTED UNTIL AROUND 5
AM IN THE WAKE OF STRONG THUNDERSTORMS WHICH PASSED ACROSS CENTRAL
MINNESOTA. WIND GUSTS OF 50 MPH OR STRONGER HAVE BEEN REPORTED IN
AREAS SUCH AS MORRIS...ALEXANDRIA...AS WELL AS WHEATON.

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 12:12 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift63 min
Jul 29, 1:13 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Swift47 min
Jul 29, 2:08 AM CDTSevere Thunderstorm WarningMPXStearns52 min
Jul 29, 2:21 AM CDTSevere Thunderstorm WarningMPXMorrison54 min
Jul 29, 2:32 AM CDTSevere Thunderstorm WarningMPXBenton43 min

Nearby

High Wind Warnings in Minnesota, 2008Every high wind warning 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.