Fig. 5. As in Fig. 3, except for weak TUTT case - (a) AVN analysis of 200 mb winds on 12 UTC 27 August 1993. (b) AVN 48 h forecast of the 200 mb winds which verifies on 12 UTC 29 August, 1993. (c) AVN analysis of 200 mb winds on 12 UTC 29 August 1993.