From 318f8d676be36dd39bad7ceb35605af94ee229b8 Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Tue, 8 Dec 2020 12:30:48 -0600
Subject: [PATCH] snapshot...

---
 modules/aeolus/aeolus_amv.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/modules/aeolus/aeolus_amv.py b/modules/aeolus/aeolus_amv.py
index f3b4ad73..421c0188 100644
--- a/modules/aeolus/aeolus_amv.py
+++ b/modules/aeolus/aeolus_amv.py
@@ -394,6 +394,7 @@ def analyze2(raob_to_amv_dct, raob_dct, gfs_filename=None):
     gfs_press = None
     gfs_spd = None
     gfs_dir = None
+    bf_gfs_list = None
     if gfs_filename is not None:
         locs = np.array(keys)
         do_gfs_best_fit = True
@@ -404,14 +405,13 @@ def analyze2(raob_to_amv_dct, raob_dct, gfs_filename=None):
         gfs_press = gfs_press[::-1]
 
         uv_wind = get_vert_profile_s(xr_dataset, ['u-wind', 'v-wind'], locs[:, 1], locs[:, 0], method='nearest')
-        uv_wind = uv_wind.data
+        uv_wind = uv_wind.values
         wspd, wdir = spd_dir_from_uv(uv_wind[0, :, :], uv_wind[1, :, :])
         wspd = wspd.magnitude
         wdir = wdir.magnitude
         gfs_spd = wspd[:, ::-1]
         gfs_dir = wdir[:, ::-1]
 
-
     amvs_list = []
     bf_list = []
     raob_match_list = []
@@ -450,7 +450,8 @@ def analyze2(raob_to_amv_dct, raob_dct, gfs_filename=None):
     amvs = np.transpose(amvs, axes=[1, 0])
     bfs = np.stack(bf_list, axis=0)
     raob_match = np.stack(raob_match_list, axis=0)
-    bfs_gfs = np.stack(bf_gfs_list, axis=0)
+    if len(bf_gfs_list) > 0:
+        bfs_gfs = np.stack(bf_gfs_list, axis=0)
 
     good_amvs = amvs
     num_good = good_amvs.shape[0]
-- 
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