131 SXUS99 KDSM 152123 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 424 PM CDT MON APR 15 2002 ...HIGH TEMPERATURE RECORDS SHATTERED ACROSS IOWA... LOW PRESSURE WAS SITUATED FROM SOUTHEAST COLORADO NORTHEAST INTO WESTERN MINNESOTA. THE STRONG COUNTERCLOCKWISE FLOW AHEAD OF THIS AREA OF LOW PRESSURE WAS PUMPING VERY WARM AIR INTO THE REGION. ACROSS IOWA THIS AFTERNOON SEVERAL RECORD HIGH TEMPERATURES HAVE BEEN BROKEN AND READINGS MAY RISE ANOTHER DEGREE OR TWO BEFORE COOLING OFF THIS EVENING. CITY RECORD TIME OLD RECORD DATE DES MOINES 87 257 PM 86 1896 LAMONI 86 256 PM 83 1924 MASON CITY 91 302 PM 82 1896 OTTUMWA 89 232 PM 88 1896 WATERLOO 91 247 PM 84 1896 ............................................................ ADDITIONAL SITES WEBSTER CITY 90 87 1964 CARROLL 90 85 1977 ATLANTIC 89 84 1924 OSKALOOSA 87 TIED 87 1897 BARLOW/DMX