Refresh active station list and correlation data

Perform a fresh build of data sets from current sources, and add a
few additional overrides for previously unknown stations. Also
update from 2019 to 2021 US Census data, from March 2020 to
September 2021 CountyZone maps, and from 2020-08-29 to 2021-08-29
airport IDs and active METAR stations/WX zones.

zlist

@@ -1,8 +1,8 @@
-# Copyright (c) 2006-2020 Jeremy Stanley <fungi@yuggoth.org>. Permission to
+# Copyright (c) 2006-2021 Jeremy Stanley <fungi@yuggoth.org>. Permission to
 # use, copy, modify, and distribute this software is granted under terms
 # provided in the LICENSE file distributed with this software.
 #
-# generated on 2020-08-29 by running:
+# generated on 2021-08-29 by running:
 #
 # for area in $(
 #  wget -qO- https://tgftp.nws.noaa.gov/data/forecasts/zone/ \
@@ -542,18 +542,15 @@ flz020
 flz021
 flz023
 flz024
-flz025
 flz026
 flz027
 flz028
 flz029
 flz030
 flz031
-flz032
 flz033
 flz034
 flz035
-flz037
 flz038
 flz041
 flz043
@@ -595,9 +592,11 @@ flz124
 flz125
 flz127
 flz128
+flz132
 flz133
 flz134
 flz136
+flz137
 flz138
 flz139
 flz140
@@ -623,7 +622,10 @@ flz204
 flz205
 flz206
 flz222
+flz225
+flz232
 flz236
+flz237
 flz239
 flz240
 flz242
@@ -634,7 +636,9 @@ flz255
 flz260
 flz262
 flz265
+flz325
 flz340
+flz425
 gaz001
 gaz002
 gaz003
@@ -804,33 +808,48 @@ gaz264
 gaz350
 gaz364
 hiz001
-hiz002
 hiz003
 hiz004
-hiz005
 hiz006
 hiz007
-hiz008
 hiz009
 hiz010
 hiz011
-hiz012
-hiz013
-hiz014
 hiz015
 hiz016
 hiz017
 hiz018
-hiz019
-hiz020
-hiz021
 hiz022
 hiz023
-hiz024
-hiz025
 hiz026
 hiz027
 hiz028
+hiz029
+hiz030
+hiz031
+hiz032
+hiz033
+hiz034
+hiz035
+hiz036
+hiz037
+hiz038
+hiz039
+hiz040
+hiz041
+hiz042
+hiz043
+hiz044
+hiz045
+hiz046
+hiz047
+hiz048
+hiz049
+hiz050
+hiz051
+hiz052
+hiz053
+hiz054
 iaz001
 iaz002
 iaz003
@@ -1438,7 +1457,6 @@ laz035
 laz036
 laz037
 laz039
-laz040
 laz041
 laz042
 laz043
@@ -1459,7 +1477,6 @@ laz058
 laz059
 laz060
 laz061
-laz062
 laz063
 laz064
 laz065
@@ -1472,6 +1489,10 @@ laz071
 laz072
 laz073
 laz074
+laz075
+laz076
+laz077
+laz078
 maz001
 maz002
 maz003
@@ -2844,7 +2865,6 @@ scz031
 scz032
 scz033
 scz035
-scz036
 scz037
 scz038
 scz039
@@ -2867,6 +2887,9 @@ scz058
 scz059
 scz115
 scz116
+scz135
+scz136
+scz137
 sdz001
 sdz002
 sdz003
@@ -3332,28 +3355,10 @@ txz424
 txz436
 txz437
 txz438
+txz439
 txz442
 txz443
 txz447
-utz001
-utz002
-utz003
-utz004
-utz005
-utz006
-utz007
-utz008
-utz009
-utz010
-utz011
-utz012
-utz013
-utz014
-utz015
-utz016
-utz019
-utz020
-utz021
 utz022
 utz023
 utz024
@@ -3361,8 +3366,37 @@ utz025
 utz027
 utz028
 utz029
-utz517
-utz518
+utz101
+utz102
+utz103
+utz104
+utz105
+utz106
+utz107
+utz108
+utz109
+utz110
+utz111
+utz112
+utz113
+utz114
+utz115
+utz116
+utz117
+utz118
+utz119
+utz120
+utz121
+utz122
+utz123
+utz124
+utz125
+utz126
+utz127
+utz128
+utz129
+utz130
+utz131
 vaz001
 vaz002
 vaz003