diff --git a/Examples/28_tower_resonance.py b/Examples/28_tower_resonance.py
index 209a928e..3c01f1f8 100644
--- a/Examples/28_tower_resonance.py
+++ b/Examples/28_tower_resonance.py
@@ -65,7 +65,7 @@ def main():
     # Ramp: good demo of functionality, short for CI
     r.wind_case_fcn = cl.ramp  
     r.wind_case_opts    = {
-        'U_start': 4,  # from 10 to 15 m/s
+        'U_start': 0,  # from 10 to 15 m/s
         'U_end': 10,
         't_start': 100,
         't_end': 300
diff --git a/pyproject.toml b/pyproject.toml
index cc23a3eb..96b3c0cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rosco"
-version = "2.9.5"
+version = "2.9.6"
 description = "A reference open source controller toolset for wind turbine applications."
 readme = "README.md"
 requires-python = ">=3.9"
diff --git a/rosco/controller/src/ControllerBlocks.f90 b/rosco/controller/src/ControllerBlocks.f90
index 3f11dc99..67f0500f 100644
--- a/rosco/controller/src/ControllerBlocks.f90
+++ b/rosco/controller/src/ControllerBlocks.f90
@@ -369,8 +369,9 @@ SUBROUTINE WindSpeedEstimator(LocalVar, CntrPar, objInst, PerfData, DebugVar, Er
                 ! Initialize recurring values
                 LocalVar%WE%om_r = WE_Inp_Speed
                 LocalVar%WE%v_t = 0.0
-                LocalVar%WE%v_m = max(LocalVar%WE_Vw, 3.0_DbKi)   ! avoid divide by 0 below if WE_Vw is 0, which some AMRWind setups create
-                LocalVar%WE%v_h = max(LocalVar%WE_Vw, 3.0_DbKi)   ! avoid divide by 0 below if WE_Vw is 0, which some AMRWind setups create
+                LocalVar%WE%v_m = max(LocalVar%HorWindV, 3.0_DbKi)   ! avoid divide by 0 below if HorWindV is 0, which some AMRWind setups create
+                LocalVar%WE%v_h = max(LocalVar%HorWindV, 3.0_DbKi)   ! avoid divide by 0 below if HorWindV is 0, which some AMRWind setups create
+                LocalVar%WE_Vw = LocalVar%WE%v_m + LocalVar%WE%v_t   ! Initialize WE_Vw to aviod divide by zero
                 lambda = WE_Inp_Speed * CntrPar%WE_BladeRadius/LocalVar%WE%v_h
                 LocalVar%WE%xh = RESHAPE((/LocalVar%WE%om_r, LocalVar%WE%v_t, LocalVar%WE%v_m/),(/3,1/))
                 LocalVar%WE%P = RESHAPE((/0.01, 0.0, 0.0, 0.0, 0.01, 0.0, 0.0, 0.0, 1.0/),(/3,3/))
diff --git a/rosco/controller/src/Functions.f90 b/rosco/controller/src/Functions.f90
index 711d76d3..f40bf970 100644
--- a/rosco/controller/src/Functions.f90
+++ b/rosco/controller/src/Functions.f90
@@ -427,12 +427,14 @@ REAL(DbKi) FUNCTION AeroDynTorque(RotSpeed, BldPitch, LocalVar, CntrPar, PerfDat
         REAL(DbKi) :: RotorArea
         REAL(DbKi) :: Cp
         REAL(DbKi) :: Lambda
+        REAL(DbKi) :: WindSpeed
 
         CHARACTER(*), PARAMETER                 :: RoutineName = 'AeroDynTorque'
 
         ! Find Torque
         RotorArea = PI*CntrPar%WE_BladeRadius**2
-        Lambda = RotSpeed*CntrPar%WE_BladeRadius/LocalVar%WE_Vw
+        WindSpeed = MAX(LocalVar%WE_Vw,EPSILON(1.0_DbKi))
+        Lambda = RotSpeed*CntrPar%WE_BladeRadius/WindSpeed
 
         ! Compute Cp
         Cp = interp2d(PerfData%Beta_vec,PerfData%TSR_vec,PerfData%Cp_mat, BldPitch*R2D, Lambda, ErrVar)
diff --git a/rosco/toolbox/inputs/validation.py b/rosco/toolbox/inputs/validation.py
index ade0f3ed..aacdac6d 100644
--- a/rosco/toolbox/inputs/validation.py
+++ b/rosco/toolbox/inputs/validation.py
@@ -3,9 +3,9 @@
 
 schema_dir = os.path.dirname(os.path.abspath(__file__))
 
-def load_rosco_yaml(finput):
+def load_rosco_yaml(finput, rank_0=False):
     rosco_schema = os.path.join(schema_dir,'toolbox_schema.yaml')
-    return _validate(finput, rosco_schema, defaults=True)
+    return _validate(finput, rosco_schema, defaults=True, rank_0=rank_0)
 
 
 if __name__=='__main__':