Blustery Days: September 27-28, 2009
A very powerful fall-like storm ushered in brisk winds and cooler temperatures across Minnesota during the afternoon of Sunday, September 27th. The peak gust recorded on September 27th was 66 mph at Willmar. The Twin Cities International Airport recorded a gust of 54 mph. Scattered power outages were reported across the Twin Cites due to branches being blown down.
On Monday, September 28th the low pressure center responsible for the winds moved to just north of Lake Huron in Canada. Gusty winds continued across Minnesota, with gusts to 40mph in some areas.
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
441 AM CDT MON SEP 28 2009
...PUBLIC INFORMATION STATEMENT...
...STRONG WINDS STRIKE MUCH OF THE REGION ON SUNDAY...
A POTENT COLD FRONT WAS RESPONSIBLE FOR PRODUCING NUMEROUS WIND
GUSTS IN EXCESS OF 40 MPH ACROSS MOST OF THE SOUTHERN HALF OF
MINNESOTA AND WEST CENTRAL WISCONSIN ON SUNDAY. A STRONG PRESSURE
GRADIENT BEHIND THE FRONT WILL PRODUCE ANOTHER BREEZY DAY OVER THE
REGION TODAY. HOWEVER...SCATTERED WIND GUSTS OF THE 50 MPH PLUS
MAGNITUDE INCURRED ON SUNDAY ARE NOT EXPECTED. WINDS WILL
NOTICEABLY SUBSIDE OVER MINNESOTA AND WEST CENTRAL WISCONSIN BY LATE
MONDAY EVENING.
MINNESOTA:
LOCATION TIME WIND SPEED (MPH)
WILLMAR 535 PM 66
MINNEAPOLIS 442 PM 54
CRYSTAL 427 PM 53
ST PAUL 457 PM 52
GLENWOOD 253 PM 52
MONTEVIDEO 534 PM 51
ST CLOUD 333 PM 51
NEW ULM 654 PM 49
ALEXANDRIA 209 PM 49
BENSON 233 PM 47
MANKATO 455 PM 47
STANTON 935 PM 47
EDEN PRAIRIE 448 PM 46
REDWOOD FALLS 620 PM 46
CANBY 336 PM 46
PAYNESVILLE 314 PM 46
APPLETON 513 PM 46
MORRIS 313 PM 45
MADISON 434 PM 45
LITCHFIELD 333 PM 45
OLIVIA 335 PM 45
BUFFALO 355 PM 45
FARIBAULT 735 PM 45
LAKEVILLE 452 PM 44
RUSH CITY 454 PM 44
GLENCOE 315 PM 44
PRINCETON 413 PM 43
STAPLES 414 PM 41
ST JAMES 315 PM 41
FAIRMONT 415 PM 41
OWATONNA 554 PM 41
WASECA 457 PM 41
BLAINE 450 PM 41
HUTCHINSON 333 PM 40
MORA 434 PM 40
MAPLE LAKE 353 PM 39
LITTLE FALLS 455 PM 39
ALBERT LEA 434 PM 37
WISCONSIN:
LOCATION TIME WIND SPEED (MPH)
MENOMONIE 619 PM 47
EAU CLAIRE 534 PM 46
OSCEOLA 515 PM 45
NEW RICHMOND 537 PM 40
LADYSMITH 655 PM 35
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
817 AM CDT MON SEP 28 2009
...HIGHEST WINDS SORTED BY SUSTAINED SPEED IN THE PAST 24 HOURS...
STATION COUNTY TIME SPEED GUST
GRAND MEADOW - KIMT MOWER 835 PM 40 MPH MPH
ST CHARLES 4W RWIS OLMSTED 1026 PM 36 MPH 52 MPH
PRESTON AWOS FILLMORE 1035 PM 33 MPH 48 MPH
PRESTON KIMT FILLMORE 1035 PM 31 MPH MPH
PRAIRIE DU CHIEN AWOS CRAWFORD 1155 PM 31 MPH 41 MPH
DODGE CENTER AWOS DODGE 735 PM 30 MPH 41 MPH
ELMA CWOP HOWARD 553 PM 30 MPH 31 MPH
AUSTIN AWOS MOWER 615 PM 30 MPH 39 MPH
ROCHESTER ASOS OLMSTED 954 PM 29 MPH 40 MPH
LA CROSSE ASOS LA CROSSE 853 PM 29 MPH 39 MPH
MONONA HS AWS CLAYTON 1129 PM 26 MPH MPH
CHARLES CITY AWOS FLOYD 635 PM 26 MPH 39 MPH
CENTURY HIGH SCHOOL AWS OLMSTED 1014 PM 26 MPH MPH
STARMONT ES ARLINGTON IA FAYETTE 759 PM 25 MPH MPH
3E BURR OAK CWOP WINNESHIEK 1105 PM 25 MPH MPH
MEDFORD AWOS TAYLOR 715 PM 25 MPH 32 MPH
NWS LA CROSSE LA CROSSE 1049 PM 23 MPH 33 MPH
WINONA AWOS WINONA 734 PM 23 MPH 33 MPH
SPARTA AWOS MONROE 1135 PM 23 MPH 29 MPH
NECEDAH RAWS JUNEAU 748 PM 23 MPH 39 MPH
CAZENOVIA AWS RICHLAND 929 PM 23 MPH MPH
LOYAL SCHOOL AWS CLARK 744 PM 23 MPH MPH
VOLK FIELD JUNEAU 404 AM 23 MPH 32 MPH
PRAIRIE DU CHIEN AWS CRAWFORD 759 PM 22 MPH MPH
JOHN ADAMS - KIMT OLMSTED 535 PM 22 MPH MPH
NEW HAMPTON RWIS CHICKASAW 925 PM 22 MPH 38 MPH
MOUNT STERLING 1S RWIS CRAWFORD 613 AM 22 MPH 36 MPH
FENNIMORE ELEMENTARY AWS GRANT 1230 AM 21 MPH MPH
WEST UNION AWS FAYETTE 1029 PM 21 MPH MPH
RIVERDALE SCHOOL AWS GRANT 1229 AM 21 MPH MPH
WISC DELLS AWOS SAUK 555 AM 20 MPH 29 MPH
AUSTIN KIMT MOWER 615 PM 20 MPH MPH
4N ROCHESTER CWOP OLMSTED 1002 PM 20 MPH 41 MPH
WILLOW CREEK - KIMT OLMSTED 707 AM 20 MPH MPH
DECORAH 2SE RWIS WINNESHIEK 1048 PM 20 MPH 30 MPH
DECORAH AWOS WINNESHIEK 1015 PM 20 MPH 28 MPH
DIAMOND LAKE RAWS TAYLOR 714 PM 18 MPH 38 MPH
ROCHESTER KELLOGG - KIMT OLMSTED 635 PM 18 MPH MPH
LA CROSSE 1S APRS LA CROSSE 226 AM 18 MPH 25 MPH
NEW HAMPTON AWS CHICKASAW 929 PM 18 MPH MPH
RICHLAND CENTER AWS RICHLAND 929 PM 18 MPH MPH
STANLEY 1 SE RWIS CHIPPEWA 1031 PM 17 MPH 26 MPH
I-90 AT I-94 RWIS JUNEAU 607 AM 17 MPH 33 MPH
ST ANSGAR KIMT-TV MITCHELL 915 PM 17 MPH MPH
BOSCOBEL RAWS GRANT 1003 PM 17 MPH 32 MPH
SOUTH WINNESHIEK SCHOOL WINNESHIEK 1114 PM 17 MPH MPH
3W NEILLSVILLE CWOP CLARK 652 PM 16 MPH MPH
EASTERN ALLAMAKEE SCHOOL ALLAMAKEE 1144 PM 16 MPH MPH
DOWNTOWN ONALASKA APRS LA CROSSE 437 AM 16 MPH 23 MPH
BOSCOBEL ASOS GRANT 953 AM 16 MPH 21 MPH
RICEVILLE - KIMT HOWARD 135 AM 16 MPH MPH
FRIENDSHIP AWS ADAMS 759 PM 16 MPH MPH
ARCADIA HILL RWIS TREMPEALEAU 615 AM 16 MPH 33 MPH
KEY TO OBSERVATION TYPES
AWS - SENSORS FROM AWS INCORPORATED. OFTEN LOCATED AT SCHOOLS.
APRS - AUTOMATIC PACKET REPORTING SYSTEM. HAM RADIO WEATHER STATION DATA.
CWOP - CITIZEN WEATHER OBSERVER PROGRAM. HOME WEATHER STATION DATA.
RWIS - ROAD WEATHER INFORMATION SYSTEMS. LOCATED ON MAJOR ROADS AND BRIDGES.
RAWS - FIRE WEATHER OBSERVATIONS. OFTEN LOCATED IN FORESTS.
ASOS/AWOS - AVIATION WEATHER OBSERVATIONS. LOCATED AT AIRPORTS.
OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING EQUIPMENT
AND EXPOSURE. NOT ALL DATA LISTED IS CONSIDERED OFFICIAL.
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1155 PM CDT SUN SEP 27 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 PM NON-TSTM WND GST 1 NNW ST FRANCIS 45.39N 93.36W
09/27/2009 M52.00 MPH ANOKA MN TRAINED SPOTTER
SPOTTER MEASURED A 52 MPH WIND GUST. WIND HAD CAUSED
MAINLY SMALL BRANCHES TO BE BLOWN DOWN.
0450 PM NON-TSTM WND DMG COLUMBIA HEIGHTS 45.05N 93.25W
09/27/2009 ANOKA MN TRAINED SPOTTER
STRONG WINDS HAD KNOCKED DOWN AN 8-INCH DIAMETER BRANCH.
0455 PM NON-TSTM WND DMG OAKDALE 44.99N 92.97W
09/27/2009 WASHINGTON MN PUBLIC
TREES DOWN..TIME ESTIMATED
0522 PM NON-TSTM WND DMG 3 NNE TAINTER LAKE 45.03N 91.82W
09/27/2009 DUNN WI TRAINED SPOTTER
12 TO 15 INCH TREE SNAPPED IN HALF
0535 PM NON-TSTM WND GST 2 W WILLMAR 45.12N 95.09W
09/27/2009 M66.00 MPH KANDIYOHI MN AWOS
KBDH AWOS WIND GUST