NC0007064_Thermal Plume Report_20210204

Brunswick Steam Electric Plant
Semi -Annual Thermal Plume Monitoring Report
Date: 2/4/2021
Wind Direction NNE Unit 1 Rx % Power
Wind Speed mph 4 Unit 2 Rx % Power
Air Temperature 47 Tide Stage
100.0
100.0
High -rising
Station
Time
Surface Temp
Bottom Temp.
1
N/A
N/A
N/A
2
1208
51.1
51.1
3
1206
51.0
N/A
4
1204
51.1
N/A
5
1202
51.0
N/A
6
1200
51.0
N/A
7
1158
50.9
N/A
8
1156
50.9
N/A
9
1155
50.8
N/A
10
1153
50.8
N/A
11
1151
50.7
N/A
12
1148
50.5
51.3
13
N/A
N/A
N/A
14
1144
50.5
N/A
15
1229
50.8
N/A
16
1227
50.9
N/A
17
1226
50.9
N/A
18
1224
50.9
N/A
19
1221
51.0
N/A
20
1219
51.0
N/A
21
1217
51.1
N/A
22
1215
51.1
N/A
23
1212
51.1
N/A
_ 24
1210
51.1
N/A
25
1248
51.0
N/A
26
1247
51.1
N/A
27
1245
51.6
N/A
_ 28
1243
52.9
N/A
29
1241
53.2
N/A
30
1239
53.2
N/A
31
1237
51.6
N/A
32
1236
50.1
N/A
33
1234
50.0
N/A
34
1232
49.9
N/A
35
1141
50.1
N/A

Brunswick Steam Electric Plant
Semi -Annual Thermal Plume Monitoring Report
Date: 2/4/2021
Station
Time
Surface Temp
Bottom Temp.
36
N/A
N/A
N/A
37
1138
52.2
50.9
38
1135
53.3
N/A
39
1133
53.0
N/A
40
1131
52.1
N/A
41
1129
49.9
N/A
42
1127
51.5
N/A
43
1054
48.8
N/A
44
1052
49.6
N/A
45
1050
48.9
N/A
46
1048
48.7
N/A
47
1046
49.3
51.0
48
N/A
N/A
N/A
_ 49
1122
N/A
51.1
50
1102
N/A
51.0
51
1111
N/A
51.1
52
1100
N/A
51.1
53
1123
N/A
50.9
54
1104
N/A
50.8
55
1109
N/A
51.0
56
_
1058
N/A
51.1
57
1126
54.6
N/A
58
1105
50.4
N/A
59
1108
54.6
N/A
60
1256
53.1
N/A
61
1113
58.9
58.7
Temperature Meter Serial Number: CP355706
Temperature Probe Serial Number: CP355705
Calibration Due Date: 9/3/2021
Note: All temperatures in degrees Fahrenheit

DATE: 2/4/2021
m
0
0
SURFACE ISOTHERMS
CASWELL BEACH PUMPING STATION
DISCHARGE PIPES -►
Plume Temperature 58.9
52.2
53.3
53.0
52.1
49.9
51.5
48.8
49.6
48.9
48.7
49.3
50.1
49.9
50.0
50.1
51.6
53.2
53.2
52.9
51.6
51.1
510
50.5
50.8
50.9
50.9
50.9
51.0
51.0
51.1
51.1
51.1
51.1
50.5
50.7
50.8
50.8
50.9
50.9
51.0
51.0
51.1
51.0
51.1
1500'
TIDE STAGE: High -rising
AMBIENT TEMP : 50.8
Grid temps. in degrees Fahrenheit

DATE: 2/4/2021
SURFACE TEMPERATURE
DISCHARGE PIPES
(Not to scale)
50.4
PUMPING STATION
CASWELL BEACH
54.6
58.9
r
Discharge
1143ti
TIDE STAGE: High -rising
AMBIENT TEMP : 50.8
54.6
53.1
Note: The square represents - 120 acres.
Grid temps. in degrees Fahrenheit

DATE: 2/4/2021
BOTTOM TEMPERATURE
PUMPING STATION
DISCHARGE PIPES -----›-
(Not to scale)
50.8
TIDE STAGE: High -rising
AMBIENT TEMP : 51.1
50.9
51.0
CASWELL BEACH
51.1
Note: The square represents - 120 acres.
Grid temps. in degrees Fahrenheit