diff --git a/Source/dump.f90 b/Source/dump.f90
index bb2a3290afd..7de3abe6f25 100644
--- a/Source/dump.f90
+++ b/Source/dump.f90
@@ -1296,7 +1296,7 @@ SUBROUTINE INITIALIZE_MESH_DUMPS(NM)
             IF (ABS(OB%Z2-M%ZS)<TWO_EPSILON_EB) IOR =  3
             IF (IOR==0) CYCLE OBST_LOOP
             M%N_PATCH = M%N_PATCH + 1
-            IF (M%N_PATCH>SIZE(M%PATCH)) CALL REALLOCATE_PATCH(NM,SIZE(M%PATCH),SIZE(M%PATCH)+10)
+            IF (M%N_PATCH>SIZE(M%PATCH)) CALL REALLOCATE_PATCH(NM,SIZE(M%PATCH),SIZE(M%PATCH)+10,'PATCH')
             PA => M%PATCH(M%N_PATCH)
             PA%I1 = MIN(M%IBAR,MAX(0,NINT( GINV(OB%X1-M%XS,1,NM)*RDXI   ))) ; PA%IG1 = PA%I1+1
             PA%I2 = MIN(M%IBAR,MAX(0,NINT( GINV(OB%X2-M%XS,1,NM)*RDXI   ))) ; PA%IG2 = PA%I2
@@ -1464,20 +1464,30 @@ END SUBROUTINE INITIALIZE_MESH_DUMPS
 !> \param NM Mesh number
 !> \param N1 Current size of array
 !> \param N2 New size of array
+!> \param PATCH_NAME Character string indicating which PATCH_TYPE variable to reallocate
 
-SUBROUTINE REALLOCATE_PATCH(NM,N1,N2)
+SUBROUTINE REALLOCATE_PATCH(NM,N1,N2,PATCH_NAME)
 
 INTEGER, INTENT(IN) :: N1,N2,NM
 TYPE (PATCH_TYPE), DIMENSION(:), ALLOCATABLE :: PATCH_DUMMY
 TYPE (MESH_TYPE), POINTER :: M
+CHARACTER(*), INTENT(IN) :: PATCH_NAME
 
 M => MESHES(NM)
 
 ALLOCATE(PATCH_DUMMY(1:N2))
-PATCH_DUMMY(1:N1) = M%PATCH(1:N1)
-DEALLOCATE(M%PATCH)
-ALLOCATE(M%PATCH(1:N2))
-M%PATCH(1:N2) = PATCH_DUMMY(1:N2)
+SELECT CASE(PATCH_NAME)
+   CASE('PATCH')
+      PATCH_DUMMY(1:N1) = M%PATCH(1:N1)
+      DEALLOCATE(M%PATCH)
+      ALLOCATE(M%PATCH(1:N2))
+      M%PATCH(1:N2) = PATCH_DUMMY(1:N2)
+   CASE('EXTERIOR_PATCH')
+      PATCH_DUMMY(1:N1) = M%EXTERIOR_PATCH(1:N1)
+      DEALLOCATE(M%EXTERIOR_PATCH)
+      ALLOCATE(M%EXTERIOR_PATCH(1:N2))
+      M%EXTERIOR_PATCH(1:N2) = PATCH_DUMMY(1:N2)
+END SELECT
 DEALLOCATE(PATCH_DUMMY)
 
 END SUBROUTINE REALLOCATE_PATCH
@@ -2298,7 +2308,7 @@ SUBROUTINE WRITE_SMOKEVIEW_FILE
 
    ! Create EXTERIOR_PATCHes with which Smokeview colors, textures, or contours exterior mesh boundaries.
 
-   ALLOCATE(M%EXTERIOR_PATCH(10*(6+N_VENT_TOTAL))) ; M%N_EXTERIOR_PATCH = 0
+   ALLOCATE(M%EXTERIOR_PATCH(10)) ; M%N_EXTERIOR_PATCH = 0  ! The size of EXTERIOR_PATCH will expand if need be.
    ALLOCATE(VENT_INDICES(MAX(M%IBAR,M%JBAR),MAX(M%JBAR,M%KBAR),6)) ; VENT_INDICES = 0
 
    VENT_LOOP: DO N=1,M%N_VENT
@@ -2634,6 +2644,8 @@ SUBROUTINE DUMMY_VENTS(FI,N1,N2)
       VENT_INDICES(I:ISTP,J:JSTP,FI) = -1
 
       M%N_EXTERIOR_PATCH = M%N_EXTERIOR_PATCH + 1
+      IF (M%N_EXTERIOR_PATCH>SIZE(M%EXTERIOR_PATCH)) &
+         CALL REALLOCATE_PATCH(NM,SIZE(M%EXTERIOR_PATCH),SIZE(M%EXTERIOR_PATCH)+10,'EXTERIOR_PATCH')
       EP => M%EXTERIOR_PATCH(M%N_EXTERIOR_PATCH)
       SELECT CASE(FI)
          CASE (1) ; EP%I1=0      ; EP%I2=0      ; EP%J1=I-1 ; EP%J2=ISTP ; EP%K1=J-1 ; EP%K2=JSTP ; EP%IOR= 1