From 4996a53bcb361caa3fff0d31064e7807b92f0b3b Mon Sep 17 00:00:00 2001
From: Soren Rasmussen <s.c.rasmussen@gmail.com>
Date: Wed, 27 Aug 2025 13:19:58 -0600
Subject: [PATCH] bugfix: initialize data so it is never NaN. See
 NCAR/ccpp-physics Issue 1155 for details

Co-authored-by: MicroTed <37668594+MicroTed@users.noreply.github.com>
---
 physics/MP/NSSL/module_mp_nssl_2mom.F90 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/physics/MP/NSSL/module_mp_nssl_2mom.F90 b/physics/MP/NSSL/module_mp_nssl_2mom.F90
index 1afbc13cf..130f9bf9a 100644
--- a/physics/MP/NSSL/module_mp_nssl_2mom.F90
+++ b/physics/MP/NSSL/module_mp_nssl_2mom.F90
@@ -10052,6 +10052,8 @@ SUBROUTINE NUCOND    &
 
           IF ( c1 > 0. ) THEN
             ssfilt(ix,jy,kz) = 100.*(an(ix,jy,kz,lv)/c1 - 1.0)  ! from "new" values
+          ELSE
+            ssfilt(ix,jy,kz) = -100.
           ENDIF
 
         ENDDO