WWUS73 KDMX 280848
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
348 AM CDT MON APR 28 2008

IAZ047>050-057>062-070>075-081>086-092>097-281700-
/O.NEW.KDMX.FZ.W.0001.080429T0600Z-080429T1400Z/
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...
GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON...
ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON...
CENTERVILLE...BLOOMFIELD
348 AM CDT MON APR 28 2008

...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY.

SURFACE HIGH PRESSURE ORIGINATING FROM THE POLAR REGIONS OF CANADA
WILL BRING AN UNSEASONABLY COLD AIR MASS TO IOWA TONIGHT.
TEMPERATURES WILL FALL BELOW 32 DEGREES AFTERNOON MIDNIGHT AND
REMAIN IN THE MID 20S TO LOWER 30S UNTIL A COUPLE OF HOURS AFTER
SUNRISE TUESDAY. THE AVERAGE DATE OF THE LAST FREEZING TEMPERATURE IN
THE SPRING FOR THE WARNED AREA IS APRIL 28TH OR EARLIER.
CONSIDERING THAT VEGETATION IS SPRINGING TO LIFE ACROSS SOUTHERN
IOWA AT THIS TIME...THE FREEZING TEMPERATURES EXPECTED TONIGHT COULD
HARM TENDER NEW GROWTH.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION UNLESS PRECAUTIONS ARE TAKEN.

$$

MOYER