Today’s cold daytime wind chills reminiscent of last January

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
220 PM CST TUE JAN 29 2008

...TODAYS WINDS AND SUBZERO TEMPERATURES COMBINE TO CREATE THE
COLDEST DAYTIME WIND CHILL VALUES SINCE LAST JANUARY...

GUSTY NORTHWEST WINDS 25 TO 35 MPH GUSTING TO MORE THAN 40 MPH
ACROSS OUR AREA TODAY...HAVE COMBINED WITH FRIGID BELOW ZERO
TEMPERATURES...TO LEAVE US WITH SOME OF THE COLDEST DAYTIME
CONDITIONS WE HAVE SEEN IN A LONG WHILE. IN FACT DAYTIME WIND CHILL
READINGS THIS LOW HAVE NOT BEEN SEEN...OR SHOULD I SAY FELT...ACROSS
THE AREA SINCE LAST JANUARY.

THE COLDEST WIND CHILL READING RECORDED AT THE AIRPORT IN SIOUX
FALLS TODAY HAS BEEN -30 AT NOON. THE ENTIRE DAY HAS BEEN PUNCTUATED
BY WIND CHILL VALUES BELOW -25 SINCE BEFORE DAYBREAK. SIMILAR
CONDITIONS ALSO OCCURRED IN HURON AND SIOUX CITY.

THE TABLES BELOW DISPLAY WIND CHILL VALUES TODAY AND ABOUT ONE YEAR
AGO...

   ...SIOUX FALLS...

TODAY    AIR   WIND   WIND
         TEMP  SPEED  CHILL

7AM       -1   32-41   -27
8AM       -1   24-40   -24
9AM       -2   29-36   -27
10AM      -3   26-39   -27
11AM      -4   24-35   -28
12PM      -4   27-36   -30
1PM       -3   28-37   -28
2PM       -4   25-36   -28

LAST     AIR   WIND   WIND
JANUARY  TEMP  SPEED  CHILL

12TH 7AM  -1    17     -22
15TH 9AM  -7    10     -24
30TH 7AM  -6    14     -25

   ...HURON...

TODAY    AIR   WIND   WIND
         TEMP  SPEED  CHILL

7AM      -3    25-32   -27
8AM      -5    32-38   -32
9AM      -5    22      -28
10AM     -6    28-32   -32
11AM     -7    25-35   -32
12PM     -4    26-31   -29
1PM      -2    24      -25
2PM      -1    23-31   -23

LAST     AIR   WIND   WIND
JANUARY  TEMP  SPEED  CHILL

12TH 9AM  -6   21      -29
12TH 11AM -5   23      -29
15TH 7AM  -12  15      -33
15TH 8AM  -12  12      -31
15TH 9AM  -10  14      -30
15TH 10AM -9   13      -28
15TH 11AM -8   13      -27
15TH 12PM -8   13      -27

   ...SIOUX CITY...

TODAY    AIR   WIND   WIND
         TEMP  SPEED  CHILL
7AM        4   40-45   -22
8AM        2   25-32   -20
9AM        2   28-36   -21
10AM       1   22      -20
11AM       1   35-40   -25
12PM       1   30-36   -23
1PM        1   30-38   -23
2PM        2   29-36   -21

LAST     AIR   WIND   WIND
JANUARY  TEMP  SPEED  CHILL

15TH 7AM  -2   20      -27
15TH 8AM  -5   20      -27
15TH 9AM  -6   17      -27
15TH 10AM -6   17      -27
15TH 11AM -5   20      -27
16TH 11AM -9   6       -23
30TH 9AM  -2   24      -25



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