Weather Service to issue spring frost freeze advisories

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.