THE NATIONAL WEATHER SERVICE OFFICE IN BISMARCK WILL BEGIN ISSUING
 FROST ADVISORIES…FREEZE WATCHES…AND FREEZE WARNINGS FOR WESTERN
 AND CENTRAL NORTH DAKOTA ON FRIDAY MAY 1ST, 2015.
 
 A FROST ADVISORY…WILL BE ISSUED WHEN THE TEMPERATURE IS EXPECTED
 TO BE 33 TO 36 DEGREES FAHRENHEIT OVER A GEOGRAPHICALLY SIGNIFICANT
 AREA DURING THE NEXT 24 HOURS. SOME INJURY TO SENSITIVE VEGETATION
 IS EXPECTED AS A RESULT OF THESE CONDITIONS.
 
 A FREEZE WATCH…WILL BE ISSUED WHEN THERE IS THE POTENTIAL FOR
 TEMPERATURES TO BE 32 DEGREES FAHRENHEIT…OR BELOW…FOR LONGER
 THAN ONE HOUR…OVER A GEOGRAPHICALLY SIGNIFICANT AREA DURING THE
 NEXT 12 TO 48 HOURS.
 
 A FREEZE WARNING…WILL BE ISSUED WHEN THE TEMPERATURE IS EXPECTED
 TO BE 32 DEGREES FAHRENHEIT…OR BELOW…FOR LONGER THAN ONE
 HOUR…OVER A GEOGRAPHICALLY SIGNIFICANT AREA DURING THE NEXT 24
 HOURS. SIGNIFICANT DAMAGE TO VEGETATION IS POSSIBLE AS A RESULT OF
 THESE CONDITIONS.