diff --git a/NEWS.md b/NEWS.md
index d9ae48a6..590eedd8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,10 @@
 ClimaParams.jl Release Notes
 ========================
 
+v0.10.12
+------
+- Add diagnostic covariance coeff, change turbulent entrainment parameter vec default  ([#204](https://github.com/CliMA/ClimaParams.jl/pull/204))
+
 v0.10.11
 ------
 - Add data-driven entrainment parameter vector ([#202](https://github.com/CliMA/ClimaParams.jl/pull/202))
diff --git a/Project.toml b/Project.toml
index 28221341..d21eee83 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ClimaParams"
 uuid = "5c42b081-d73a-476f-9059-fd94b934656c"
 authors = ["Climate Modeling Alliance"]
-version = "0.10.11"
+version = "0.10.12"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
diff --git a/src/parameters.toml b/src/parameters.toml
index 58c60a05..2c5b1e41 100644
--- a/src/parameters.toml
+++ b/src/parameters.toml
@@ -2249,7 +2249,7 @@ type = "float"
 description = "Data-driven entrainment parameter vector"
 
 [turb_entr_param_vec]
-value = [1.0, 1.0, 1.0]
+value = [0.0, 0.0, 0.0]
 type = "float"
 description = "Data-driven turbulent entrainment parameter vector"
 
@@ -2468,6 +2468,11 @@ value = "diagnostic"
 type = "string"
 description = "Edmf covaraince model choice. Valid options are diagnostic (default) and prognostic."
 
+[diagnostic_covariance_coeff]
+value = 2.1
+type = "float"
+description = "Prefactor used in turbulent production term of EDMF covariance equation."
+
 [EDMF_thermodynamics_diagnostic_covar_limiter]
 value = 0.001
 type = "float"