Alert archive / Iowa / Wind Advisories in 2007

Wind Advisory 3, NWS La Crosse, WI

May 14, 20076 counties in Iowa; 4 counties in Minnesota

NWS La Crosse, WI issued this wind advisory at May 14, 2007, 3:57 AM CDT for 6 counties in Iowa; 4 counties in Minnesota. It took effect at May 14, 2007, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 14, 2007, 3:57 AM CDT (08:57 UTC)
In effect from
May 14, 2007, 12:00 PM CDT
Expired
May 14, 2007, 7:00 PM CDT
In force
7 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 08:57 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, 9.0 hours before the alert went out and 184 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 2007-05-14Temperature 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 2007-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
3751 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KARX 140857
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
357 AM CDT MON MAY 14 2007

...STRONG WINDS EXPECTED ACROSS THE AREA TODAY...

.A TIGHTENING PRESSURE GRADIENT AHEAD OF A COLD FRONT WILL CAUSE
STRONG AND GUSTY SOUTHWEST WINDS...ESPECIALLY FOR WIND PRONE AREAS
IN SOUTHEAST MINNESOTA AND NORTHEAST IOWA.

IAZ008>010-018-019-029-MNZ086-087-094-095-141700-
/O.NEW.KARX.WI.Y.0003.070514T1700Z-070515T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
357 AM CDT MON MAY 14 2007

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. 

SOUTHWEST WINDS AT 20 TO 30 MPH...GUSTING TO 45 MPH ARE EXPECTED
TODAY. HIGHEST WIND GUSTS WILL OCCUR DURING THE AFTERNOON HOURS.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS IN EXCESS OF 45 MPH...ARE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

$$

BROOKS
3 follow-up statements
000 
WWUS73 KARX 141640
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1140 AM CDT MON MAY 14 2007

...STRONG SOUTHWEST WINDS ACROSS THE AREA TODAY...

.STRENGTHENING LOW PRESSURE MOVING INTO WESTERN LAKE SUPERIOR WILL
DRAG A COLD FRONT INTO NORTHWEST WISCONSIN THROUGH WESTERN IOWA
BY LATE THIS AFTERNOON. A TIGHT PRESSURE GRADIENT WILL EXIST
AHEAD OF THE LOW AND COLD FRONT...CAUSING STRONG AND GUSTY
SOUTHWEST WINDS. THE STRONGEST WINDS WILL BE SEEN ACROSS THE WIND
PRONE AREAS ACROSS SOUTHEAST MINNESOTA AND NORTHEAST IOWA.

IAZ008>010-018-019-029-MNZ086-087-094-095-150000-
/O.CON.KARX.WI.Y.0003.070514T1700Z-070515T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
1140 AM CDT MON MAY 14 2007

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

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

SOUTHWEST WINDS AT 25 TO 35 MPH...GUSTING TO 45 MPH WILL OCCUR
THROUGH THE AFTERNOON HOURS AND INTO EARLY THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS IN EXCESS OF 45 MPH...ARE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

$$

DAS
000 
WWUS73 KARX 142024
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
324 PM CDT MON MAY 14 2007

...STRONG SOUTHWEST WINDS ACROSS THE AREA THROUGH EARLY
THIS EVENING...

.STRENGTHENING LOW PRESSURE MOVING INTO WESTERN LAKE SUPERIOR
WILL DRAG A COLD FRONT INTO NORTHWEST WISCONSIN THROUGH WESTERN
IOWA BY EARLY THIS EVENING. A TIGHT PRESSURE GRADIENT EXISTS AHEAD
OF THE LOW AND COLD FRONT...AND WAS CAUSING STRONG AND GUSTY
SOUTHWEST WINDS. THE STRONGEST WINDS ARE BEING EXPERIENCED ACROSS
THE WIND PRONE AREAS OVER SOUTHEAST MINNESOTA AND NORTHEAST
IOWA. THE WINDS WILL SLACKEN SOMEWHAT ONCE THE FRONT MOVES OVER THE
THE AREA BY MID EVENING.

IAZ008>010-018-019-029-MNZ086-087-094-095-150000-
/O.CON.KARX.WI.Y.0003.000000T0000Z-070515T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
324 PM CDT MON MAY 14 2007

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

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

SOUTHWEST WINDS AT 25 TO 35 MPH...GUSTING TO 45 MPH WILL CONTINUE INTO
EARLY THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS IN EXCESS OF 45 MPH...ARE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

$$

DAS
000 
WWUS73 KARX 142350
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
650 PM CDT MON MAY 14 2007

...STRONG WINDS ALREADY ON THE DECREASE...

.A COLD FRONT CROSSING THE AREA THIS EVENING HAS ALLOWED WINDS TO
TURN WESTERLY ACROSS THE WIND ADVISORY AREA...AND DECREASE. THE
WINDS WILL CONTINUE TO DECREASE AS THE EVENING WEARS ON...AND THE
WIND ADVISORY WILL BE ALLOWED TO EXPIRE.

IAZ008>010-018-019-029-MNZ086-087-094-095-150100-
/O.EXP.KARX.WI.Y.0003.000000T0000Z-070515T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
650 PM CDT MON MAY 14 2007

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING. 

WINDS WILL CONTINUE TO DECREASE THIS EVENING IN THE WAKE OF A COLD
FRONT CROSSING THE AREA. 

$$

BINAU

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 6:57 PM CDTSevere Thunderstorm WarningARXHouston33 min

Nearby

Wind Advisories in Iowa, 2007Wind 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.