Index: /issm/trunk/src/m/classes/public/ismodelselfconsistent.m
===================================================================
--- /issm/trunk/src/m/classes/public/ismodelselfconsistent.m	(revision 2668)
+++ /issm/trunk/src/m/classes/public/ismodelselfconsistent.m	(revision 2669)
@@ -309,4 +309,8 @@
 	checksize(md,fields,[md.numberofgrids 1]);
 	checknan(md,fields);
+
+	%INITIAL TEMPERATURE, MELTING AND ACCUMULATION
+	fields={'temperature','spctemperature(:,2)','observed_temperature'};
+	checkgreater(md,fields,0)
 
 end