156 
FPUS73 KFSD 041239
NOWFSD

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE SIOUX FALLS SD
738 AM CDT SUN MAY 4 2003

IAZ001-MNZ097-098-SDZ040-056-062-067-041320-
BROOKINGS-LINCOLN-LYON IA-MINNEHAHA-MOODY-PIPESTONE MN-ROCK MN-
INCLUDING THE CITIES OF...BROOKINGS...LUVERNE MN...PIPESTONE MN...
ROCK RAPIDS IA...SIOUX FALLS
738 AM CDT SUN MAY 4 2003

.NOW...
...STRONG WINDS BEHIND THE RAIN...
STRONG WINDS HAVE DEVELOPED BEHIND THE RAIN SHIELD ACROSS THE I 29
CORRIDOR. OCCASIONAL WIND GUSTS TO AROUND 50 MPH ARE LIKELY THROUGH 8
TO 815 AM. THIS IS CAUSED BY DRIER AIR INTRUDING INTO THE AREA RIGHT
BEHIND THE RAIN...COUPLED WITH VERY STRONG WINDS JUST ABOVE THE
SURFACE...AND A SMALL SCALE HIGH PRESSURE SYSTEM DEVELOPING OVER
EASTERN SOUTH DAKOTA.

$$

MNZ071-072-080-089-041320-
LINCOLN MN-LYON MN-MURRAY MN-NOBLES MN-
INCLUDING THE CITIES OF...MARSHALL MN...SLAYTON MN...WORTHINGTON MN
738 AM CDT SUN MAY 4 2003

.NOW...
...STRONG WINDS MAY DEVELOP OVER SOUTHWEST MINNESOTA BY 830 AM...
STRONG WINDS HAVE DEVELOPED RIGHT BEHIND THE RAIN SHIELD ALONG THE I
29 CORRIDOR...JUST WEST OF THE BUFFALO RIDGE AREA. THIS IS DUE TO
DRIER AIR INTRUDING INTO THE AREA RIGHT BEHIND THE RAIN...COUPLED
WITH VERY STRONG WINDS JUST ABOVE THE SURFACE...AND A SMALL SCALE
HIGH PRESSURE SYSTEM DEVELOPING OVER EASTERN SOUTH DAKOTA. THE
STRONG WINDS WILL NOT LAST VERY LONG...BUT ONCE THE RAIN ENDS...WIND
GUSTS TO AROUND 50 MPH MAY OCCUR IN THIS AREA FROM AROUND 830 TO
900 AM.

$$

MJF