diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16c61ca..79d44e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,9 +1,6 @@
 name: CI
 on:
   push:
-    branches:
-      - main
-      - develop*
     paths-ignore:
       - '**.md'
   pull_request:
@@ -67,12 +64,14 @@ jobs:
         with:
           path: ${{ env.TEST_BINDIR }}
           setvars: ${{ matrix.setvars }}
+          ignore: true
 
       - name: Install compilers
         if: matrix.path == 'default'
         uses: ./
         with:
           setvars: ${{ matrix.setvars }}
+          ignore: true
 
       - name: Set environment variables
         if: runner.os != 'Windows' && matrix.setvars != 'true'
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index ab2a302..cf860d0 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -1,9 +1,6 @@
 name: Integration testing
 on:
   push:
-    branches:
-      - main
-      - develop*
     paths-ignore:
       - '**.md'
   pull_request:
@@ -70,6 +67,7 @@ jobs:
         uses: ./
         with:
           path: ${{ runner.os != 'Windows' && 'bin' || 'C:\Program Files (x86)\Intel\oneAPI' }}
+          ignore: true
 
       - name: Build modflow6 (Linux & Mac)
         if: runner.os != 'Windows' && matrix.env == 'pip'
@@ -171,6 +169,7 @@ jobs:
         uses: ./
         with:
           path: ${{ runner.os != 'Windows' && 'bin' || 'C:\Program Files (x86)\Intel\oneAPI' }}
+          ignore: true
 
       - name: Download examples
         working-directory: pymake
diff --git a/README.md b/README.md
index 3cfdf0e..21e6398 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,12 @@
 
 An action to install and cache [Intel OneAPI](https://www.intel.com/content/www/us/en/developer/tools/oneapi/fortran-compiler.html#gs.bksc2p) Fortran and C/C++ compilers via the [HPC Toolkit](https://www.intel.com/content/www/us/en/developer/tools/oneapi/hpc-toolkit.html#gs.g10hgy).
 
-**Note:** [`awvwgk/setup-fortran`](https://github.com/awvwgk/setup-fortran) is recommended. Maintenance of this action will cease in 2024.
+**Note:** Maintenance of this action will cease in 2024. [`fortran-lang/setup-fortran`](https://github.com/fortran-lang/setup-fortran) is recommended instead. This action will disable itself 10% of the time until then — set `ignore: true` to avoid this.
 
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
+
 - [Overview](#overview)
 - [Usage](#usage)
 - [Environment variables](#environment-variables)
@@ -20,6 +21,7 @@ An action to install and cache [Intel OneAPI](https://www.intel.com/content/www/
     - [Setting oneAPI variables on Linux/macOS](#setting-oneapi-variables-on-linuxmacos)
     - [Setting oneAPI variables on Windows](#setting-oneapi-variables-on-windows)
   - [`cache`](#cache)
+  - [`ignore`](#ignore)
 - [Outputs](#outputs)
   - [`cache-hit`](#cache-hit)
 - [Windows caveats](#windows-caveats)
@@ -67,6 +69,7 @@ Besides oneAPI environment variables configured by `setvars` scripts (whose name
 - `path`
 - `setvars`
 - `cache`
+- `ignore`
 
 ### `path`
 
@@ -106,6 +109,10 @@ The `cache` input is a boolean that controls whether the action caches the oneAP
 
 **Note:** installation on Windows can take a long time (~30 minutes) so caching is recommended, however an [outstanding cache reservation bug in `actions/cache`](https://github.com/actions/cache/issues/144) can cause the cache to [fail to restore while simultaneously rejecting new saves](https://github.com/MODFLOW-USGS/modflow6/actions/runs/3624583228/jobs/6111766806#step:6:152). The [GitHub-endorsed workaround for this issue](https://github.com/actions/cache/issues/144#issuecomment-579323937) is currently to change keys, so this action rotates the cache key once daily. You may want to run a job in the early hours of the morning to warm up the cache on your repository's default branch, so PR/feature branches can restore from it throughout the day.
 
+### `ignore`
+
+Set to `true` to disable impending archival warning brownouts. The default is `false`.
+
 ## Outputs
 
 The action has the following outputs:
diff --git a/action.yml b/action.yml
index a9476ba..e39f2df 100644
--- a/action.yml
+++ b/action.yml
@@ -13,6 +13,10 @@ inputs:
     description: Whether to cache the installation
     required: false
     default: 'true'
+  ignore:
+    description: Whether to disable archival/migration brownouts
+    required: false
+    default: 'false'
 outputs:
   cache-hit:
     description: Whether the installation was restored from cache
@@ -21,11 +25,18 @@ runs:
   using: composite
   steps:
 
-    - name: Deprecation warning
+    - name: Migration warning
       shell: bash
       run: |
-        echo "WARNING: This action will be archived on 01/01/24 in light of better alternatives."
-        echo "Please use awvwgk/setup-fortran instead (https://github.com/awvwgk/setup-fortran)."
+        echo "WARNING: This action will be archived on 01/01/24."
+        echo "Use fortran-lang/setup-fortran instead (https://github.com/fortran-lang/setup-fortran)."
+
+    - name: Migration brownout
+      if: inputs.ignore == 'false'
+      uses: wpbonelli/schedule-outage@v1
+      with:
+        probability: 0.1
+        message: "This action will be archived on 01/01/24. Use fortran-lang/setup-fortran instead (https://github.com/fortran-lang/setup-fortran)."
 
     - name: Set install path
       if: runner.os != 'Windows'