UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 24 DEC 25 Station: NSTU WMO ident: 91765 Latitude: -14.33 Longitude: -170.72 Elevation: 3.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1009 3 26.8 24.3 86 2.5 25.0 280 3 299.2 302.7 297.8 355.6 19.29 1 1000 85 27.0 23.0 79 4.0 24.1 125 4 300.1 303.4 297.3 352.8 17.96 2 994 139 27.2 23.4 80 3.8 24.4 125 4 300.9 304.3 297.8 355.4 18.53 3 982 246 26.6 22.7 79 3.9 23.8 125 5 301.3 304.6 297.5 354.2 17.96 4 940 632 23.0 21.6 92 1.4 22.0 125 7 301.4 304.7 297.3 353.1 17.54 5 925 773 22.0 20.5 91 1.5 20.9 125 8 301.8 304.9 296.8 350.9 16.63 6 922 801 21.6 20.1 91 1.5 20.5 124 7 301.7 304.7 296.5 349.6 16.27 7 914 877 21.2 18.9 87 2.3 19.6 121 6 302.0 304.8 296.0 346.9 15.21 8 900 1011 20.4 19.3 93 1.1 19.6 105 5 302.5 305.5 296.5 349.4 15.85 9 885 1157 19.8 17.2 85 2.6 18.0 81 4 303.4 306.0 295.6 345.2 14.09 10 882 1186 20.2 16.6 80 3.6 17.7 76 4 304.1 306.6 295.4 344.5 13.60 11 862 1384 18.2 16.0 87 2.2 16.7 45 3 304.0 306.5 295.2 343.8 13.39 12 858 1424 18.6 13.7 73 4.9 15.4 38 2 304.8 307.0 294.1 339.4 11.56 13 852 1485 18.6 13.6 73 5.0 15.3 28 2 305.4 307.6 294.3 340.1 11.57 14 850 1505 18.4 13.7 74 4.7 15.3 25 2 305.4 307.6 294.4 340.4 11.67 15 844 1566 17.8 13.5 76 4.3 15.0 34 2 305.4 307.6 294.4 340.2 11.60 16 840 1606 18.0 12.0 68 6.0 14.1 39 2 306.0 308.0 293.7 337.7 10.55 17 833 1678 17.6 10.6 64 7.0 13.1 50 3 306.3 308.2 293.2 335.5 9.68 18 829 1719 17.2 11.2 68 6.0 13.3 55 3 306.3 308.2 293.5 336.9 10.13 19 826 1750 17.2 10.2 63 7.0 12.8 60 3 306.7 308.4 293.2 335.4 9.50 20 820 1812 18.0 4.0 39 14.0 10.0 69 3 308.2 309.3 290.9 327.3 6.22 21 809 1927 17.6 -0.4 29 18.0 8.0 85 4 308.9 309.8 289.8 323.2 4.59 22 780 2238 15.4 1.4 39 14.0 7.7 129 5 309.8 310.8 290.7 326.7 5.43 23 771 2336 14.4 6.4 59 8.0 9.6 143 5 309.8 311.2 292.7 333.8 7.84 24 769 2358 14.4 6.4 59 8.0 9.6 146 5 310.0 311.5 292.8 334.1 7.86 25 758 2480 14.8 2.8 44 12.0 8.0 164 5 311.7 312.9 292.0 330.9 6.18 26 750 2570 15.2 -10.8 16 26.0 3.7 177 5 313.1 313.5 288.9 320.4 2.23 27 747 2603 15.0 -13.0 13 28.0 3.1 181 5 313.2 313.6 288.5 319.4 1.88 28 739 2694 14.4 -11.6 15 26.0 3.1 194 4 313.5 313.9 288.9 320.5 2.13 29 732 2775 14.0 -5.0 26 19.0 4.6 206 4 313.9 314.6 290.4 325.5 3.60 30 726 2844 13.4 -4.6 28 18.0 4.4 216 4 314.0 314.7 290.6 326.0 3.74 31 700 3150 11.6 -12.4 17 24.0 1.4 260 4 315.3 315.7 289.5 322.3 2.11 32 698 3174 11.4 -10.6 20 22.0 1.7 258 4 315.4 315.8 289.8 323.4 2.44 33 697 3186 11.2 -2.8 37 14.0 3.9 257 4 315.3 316.1 291.6 329.5 4.46 34 694 3222 11.0 -6.0 30 17.0 2.8 254 4 315.4 316.1 290.8 326.8 3.52 35 693 3234 11.0 -2.0 40 13.0 4.2 253 4 315.6 316.5 291.9 330.8 4.77 36 688 3295 10.4 3.4 62 7.0 6.3 248 4 315.6 316.9 293.8 338.0 7.12 37 685 3331 10.2 4.2 66 6.0 6.6 245 4 315.7 317.2 294.2 339.5 7.57 38 678 3417 9.6 2.6 62 7.0 5.6 238 4 316.0 317.3 293.7 337.5 6.82 39 652 3741 6.8 2.4 73 4.4 4.3 211 3 316.4 317.7 293.9 338.5 7.00 40 637 3932 5.8 3.7 86 2.1 4.6 195 3 317.4 318.9 294.8 342.2 7.86 41 632 3997 5.4 2.6 82 2.8 3.8 189 3 317.6 319.0 294.5 340.8 7.33 42 601 4408 3.2 1.4 88 1.8 2.2 164 3 319.7 321.0 294.8 342.3 7.07 43 595 4490 2.8 0.2 83 2.6 1.4 164 3 320.1 321.4 294.6 341.1 6.54 44 569 4851 0.0 -0.6 96 0.6 -0.3 162 3 321.0 322.2 294.7 341.7 6.45 45 567 4879 0.0 -0.5 96 0.5 -0.3 161 3 321.3 322.6 294.8 342.3 6.52 46 549 5138 -1.1 -1.6 96 0.5 -1.4 160 2 322.9 324.2 295.1 343.1 6.21 47 540 5270 -1.9 -3.1 91 1.2 -2.5 159 2 323.5 324.6 294.8 342.0 5.65 48 536 5329 -1.9 -3.8 87 1.9 -2.9 158 2 324.2 325.3 294.8 341.9 5.40 49 513 5677 -5.1 -5.1 100 0.0 -5.1 156 2 324.4 325.4 294.6 341.2 5.11 50 509 5739 -4.3 -6.6 84 2.3 -5.4 156 2 326.1 327.0 294.7 341.4 4.59 51 505 5801 -4.7 -7.5 81 2.8 -6.0 156 2 326.4 327.2 294.5 340.8 4.31 52 502 5849 -4.9 -7.9 79 3.0 -6.3 155 2 326.7 327.5 294.5 340.7 4.21 53 500 5880 -5.1 -7.3 85 2.2 -6.1 155 2 326.8 327.7 294.7 341.6 4.43 54 400 7600 -15.3 -21.3 60 6.0 -17.2 80 5 335.1 335.5 294.6 341.3 1.75 55 300 9710 -29.9 -35.9 56 6.0 -30.9 250 11 343.2 343.4 295.6 345.5 0.60 56 250 10980 -40.5 -45.5 59 5.0 -40.9 240 8 345.9 345.9 296.0 346.9 0.26 57 200 12460 -52.5 -57.5 55 5.0 -52.7 255 14 349.6 349.6 296.6 350.0 0.08 58 150 14250 -67.9 -72.9 49 5.0 -67.9 250 43 353.1 353.1 297.3 353.2 0.01 59 100 16600 -80.7 -90.7 17 10.0 -80.7 260 25 371.8 371.8 300.9 371.8 0.00 60 95 16887 -82.7 -89.7 29 7.0 -82.7 259 23 373.4 373.4 301.2 373.4 0.00 61 91 17126 -83.5 -90.5 28 7.0 -83.5 256 18 376.4 376.4 301.6 376.4 0.00 62 90 17187 -83.7 -90.7 28 7.0 -83.7 255 17 377.2 377.2 301.8 377.2 0.00 63 85 17504 -83.9 -90.9 28 7.0 -83.9 228 19 383.0 383.0 302.7 383.0 0.00 64 82 17704 -81.9 -89.9 24 8.0 -81.9 204 18 391.1 391.1 303.9 391.1 0.00 65 80 17842 -82.7 -90.7 24 8.0 -82.7 186 18 392.2 392.2 304.1 392.2 0.00 66 79 17912 -81.1 -91.1 17 10.0 -81.1 178 18 396.9 396.9 304.8 396.9 0.00 67 78 17984 -79.3 -89.3 18 10.0 -79.3 170 18 402.1 402.1 305.5 402.1 0.00 68 74 18283 -77.9 -88.9 15 11.0 -77.9 160 25 411.1 411.1 306.6 411.1 0.00 69 70 18600 -78.9 -88.9 18 10.0 -78.9 115 21 415.6 415.6 307.2 415.6 0.00 70 69 18682 -79.3 -89.3 18 10.0 -79.3 116 21 416.4 416.4 307.3 416.5 0.00 71 64 19117 -73.5 -90.5 6 17.0 -73.6 72 15 438.2 438.2 309.7 438.2 0.00 72 57 19792 -75.5 -89.5 9 14.0 -75.6 70 20 448.5 448.5 310.7 448.5 0.00 73 52 20328 -72.9 -90.9 5 18.0 -73.0 60 19 466.4 466.4 312.3 466.4 0.00 74 50 20560 -70.5 -91.5 3 21.0 -70.6 65 16 477.4 477.4 313.2 477.4 0.00 75 49 20680 -69.5 -91.5 3 22.0 -69.6 58 22 482.5 482.5 313.7 482.5 0.00 76 47 20929 -69.3 -91.3 3 22.0 -69.5 74 19 488.8 488.8 314.1 488.8 0.00 77 45 21188 -69.3 -91.3 3 22.0 -69.5 98 13 494.9 494.9 314.6 494.9 0.00 78 44 21322 -69.5 -91.5 3 22.0 -69.7 110 10 497.6 497.6 314.8 497.6 0.00 79 40 21897 -64.3 -90.3 2 26.0 -64.7 103 18 524.4 524.4 316.6 524.4 0.00 80 36 22544 -62.5 -89.5 1 27.0 -63.1 95 27 545.1 545.1 317.8 545.1 0.00 81 33 23080 -62.9 -89.9 1 27.0 -63.5 124 41 557.8 557.8 318.5 557.8 0.00 82 30 23670 -60.3 -89.3 1 29.0 -61.2 90 50 580.3 580.3 319.7 580.3 0.00 83 28 24103 -57.5 -88.5 1 31.0 -58.8 90 51 599.6 599.6 320.6 599.6 0.01 84 27 24333 -57.5 -88.5 1 31.0 -58.8 90 52 605.9 605.9 320.9 605.9 0.01 85 26 24573 -54.5 -86.5 1 32.0 -56.4 90 54 621.0 621.0 321.5 621.0 0.01 86 25 24824 -56.5 -87.5 1 31.0 -58.1 90 55 622.2 622.2 321.6 622.3 0.01 87 21 25950 -49.1 -84.1 1 35.0 -52.7 87 53 676.4 676.4 323.6 676.5 0.02 88 20 26270 -49.1 -84.1 1 35.0 -52.8 85 50 685.9 685.9 324.0 686.0 0.02 89 19 26607 -49.1 -84.1 1 35.0 -53.0 86 48 696.0 696.0 324.3 696.2 0.02 90 17 27342 -46.1 -83.1 1 37.0 -51.4 86 35 728.1 728.1 325.3 728.3 0.02 91 17 27342 -46.1 -83.1 1 37.0 -51.4 86 35 728.1 728.1 325.3 728.3 0.02 92 16 27745 -46.5 -83.5 1 37.0 -51.8 95 23 739.6 739.6 325.7 739.8 0.02 93 15 28175 -45.3 -83.3 1 38.0 -51.3 93 27 757.3 757.3 326.1 757.6 0.03 94 13 29124 -48.5 -84.5 1 36.0 -53.7 109 30 777.9 777.9 326.7 778.1 0.02 95 11 30221 -49.5 -84.5 1 35.0 -54.9 95 40 812.3 812.3 327.5 812.6 0.03 96 10 30850 -46.1 -83.1 1 37.0 -53.3 100 33 847.5 847.5 328.4 847.8 0.04 97 9.8 30984 -46.3 -83.3 1 37.0 -53.5 99 33 851.6 851.6 328.4 852.0 0.04 98 9.5 31191 -44.3 -83.3 1 39.0 -52.6 99 33 866.8 866.8 328.8 867.2 0.04 99 9.0 31552 -45.7 -83.7 1 38.0 -53.5 97 33 874.9 874.9 329.0 875.3 0.04 100 8.3 32097 -41.3 -82.3 0 41.0 -51.8 95 33 912.7 912.8 329.7 913.3 0.05 101 7.8 32519 -39.9 -80.9 0 41.0 -51.4 93 33 934.7 934.8 330.1 935.5 0.07 102 7.5 32787 -40.7 -81.7 0 41.0 -52.0 92 33 942.0 942.1 330.2 942.7 0.07 103 7.3 32971 -38.5 -80.5 0 42.0 -51.2 91 33 958.3 958.4 330.5 959.2 0.08 104 7.0 33260 -37.9 -79.9 0 42.0 -51.2 90 33 972.4 972.4 330.7 973.5 0.10 105 6.6 33666 -36.9 -78.9 0 42.0 -51.1 993.1 993.1 331.1 994.5 0.12 106 5.4 35044 -40.5 -81.5 0 41.0 -53.5 1035.7 1035.8 331.7 1036.9 0.10 TRP 90 17187 -83.7 -90.7 28 7.0 -83.7 255 17 377.2 377.2 301.8 377.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 567.00 mb = 4878.98 m = 16006.96 ft Wetbulb zero: 574.08 mb = 4778.88 m = 15678.56 ft Precipitable water: 2.03 inches Sfc-500 mean rel hum: 70.83 % Est. max temperature: 32.24 C = 90.03 F Sfc-Lift cond lev (LCL): 973.48 mb = 323.36 m = 1060.88 ft T: 25.88 C 700-500 lapse rate: 6.12 C/km ThetaE index: 13.66 C Layer 826.0- 780.0 mb Conv cond level (CCL): 911.59 mb = 900.04 m = 2952.87 ft Mean mixing ratio: 17.47 g/kg Conv temperature: 29.74 C = 85.52 F Cap Strength: 1.29 C Lifted Index: -3.13 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.03 C Lifted Index @700 mb: 0.27 C Showalter Index: 1.53 C Risk: Showers probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.80 C K Index: 13.20 Risk: None Sweat Index: 170.40 Risk: None Energy Index: 0.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1089.45 J/kg Max Up Vert Vel: 46.68 m/s Conv Inhibition (B-): 5.59 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 923.06 mb = 791.29 m = 2596.06 ft Lev Free Conv (LFC): 868.06 mb = 1323.75 m = 4342.96 ft Equ Level (EL): 828.06 mb = 1728.48 m = 5670.78 ft B at Equ Level: 8.81 J/kg Max Parcel Lev (MPL): 788.06 mb = 2150.47 m = 7055.25 ft Wind level data Storm motion: 176 at 3 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1009 3 280 3 3.0 -0.5 | 316 5 3.1 -3.3 1 1000 85 125 4 -3.3 2.3 | 81 3 -3.1 -0.5 2 925 773 125 8 -6.6 4.6 | 106 7 -6.4 1.8 3 910 914 120 5 -4.3 2.5 | 86 4 -4.2 -0.3 4 850 1505 25 2 -0.8 -1.8 | 8 5 -0.7 -4.6 5 789 2134 115 5 -4.5 2.1 | 82 4 -4.4 -0.7 6 700 3150 260 4 3.9 0.7 | 297 5 4.1 -2.1 7 610 4267 165 3 -0.8 2.9 | 103 1 -0.6 0.1 8 500 5880 155 2 -0.8 1.8 | 35 1 -0.7 -1.0 9 467 6401 0 0 -0.0 -0.0 | 356 3 0.2 -2.8 10 400 7600 80 5 -4.9 -0.9 | 53 6 -4.7 -3.6 11 338 8839 235 10 8.2 5.7 | 250 9 8.4 3.0 12 300 9710 250 11 10.3 3.8 | 265 11 10.5 1.0 13 298 9754 250 11 10.3 3.8 | 265 11 10.5 1.0 14 285 10058 240 11 9.5 5.5 | 254 10 9.7 2.7 15 250 10980 240 8 6.9 4.0 | 260 7 7.1 1.2 16 228 11582 240 11 9.5 5.5 | 254 10 9.7 2.7 17 218 11887 215 14 8.0 11.5 | 223 12 8.2 8.7 18 200 12460 255 14 13.5 3.6 | 266 14 13.7 0.9 19 199 12497 255 14 13.5 3.6 | 266 14 13.7 0.9 20 150 14250 250 43 40.4 14.7 | 254 42 40.6 11.9 21 140 14630 250 45 42.3 15.4 | 253 44 42.5 12.6 22 133 14935 260 33 32.5 5.7 | 265 33 32.7 3.0 23 126 15240 280 26 25.6 -4.5 | 286 27 25.8 -7.3 24 120 15545 295 26 23.6 -11.0 | 300 27 23.7 -13.8 25 108 16154 285 24 23.2 -6.2 | 291 25 23.4 -9.0 26 100 16600 260 25 24.6 4.3 | 266 25 24.8 1.6 27 97 16764 260 25 24.6 4.3 | 266 25 24.8 1.6 28 90 17187 255 17 16.4 4.4 | 264 17 16.6 1.6 29 87 17374 245 19 17.2 8.0 | 253 18 17.4 5.3 30 78 17983 170 18 -3.1 17.7 | 169 15 -3.0 15.0 31 74 18288 160 25 -8.6 23.5 | 158 22 -8.4 20.7 32 70 18600 115 21 -19.0 8.9 | 108 20 -18.9 6.1 33 67 18898 120 21 -18.2 10.5 | 113 20 -18.0 7.7 34 63 19202 55 13 -10.6 -7.5 | 46 15 -10.5 -10.2 35 57 19812 70 20 -18.8 -6.8 | 63 21 -18.6 -9.6 36 54 20117 55 22 -18.0 -12.6 | 49 24 -17.8 -15.4 37 50 20560 65 16 -14.5 -6.8 | 56 17 -14.3 -9.5 38 49 20726 55 24 -19.7 -13.8 | 50 26 -19.5 -16.5 39 44 21336 110 10 -9.4 3.4 | 94 9 -9.2 0.7 40 36 22555 95 27 -26.9 2.4 | 89 27 -26.7 -0.4 41 34 22860 120 41 -35.5 20.5 | 117 40 -35.3 17.7 42 33 23165 125 41 -33.6 23.5 | 122 39 -33.4 20.8 43 30 23670 90 50 -50.0 0.0 | 87 50 -49.8 -2.8 44 30 23774 90 49 -49.0 0.0 | 87 49 -48.8 -2.8 45 23 25298 90 58 -58.0 0.0 | 87 58 -57.8 -2.8 46 20 26270 85 50 -49.8 -4.4 | 82 50 -49.6 -7.1 47 19 26518 90 47 -47.0 0.0 | 87 47 -46.8 -2.8 48 18 26822 75 51 -49.3 -13.2 | 72 52 -49.1 -16.0 49 16 27737 95 23 -22.9 2.0 | 88 23 -22.7 -0.8 50 14 28651 90 32 -32.0 0.0 | 85 32 -31.8 -2.8 51 13 29261 115 30 -27.2 12.7 | 110 29 -27.0 9.9 52 11 30175 95 40 -39.8 3.5 | 91 40 -39.7 0.7 53 10 30850 100 33 -32.5 5.7 | 95 32 -32.3 3.0 54 7 33260 90 33 -33.0 0.0 | 85 33 -32.8 -2.8 Wind Parameters Mean winds (0-6000m): 146.4 at 3.7 knts Storm direction: 176.4 at 2.8 knts Shear (0-3000m) pos: 1.0 neg: 0.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -36.8 deg Storm rel helicity (0-3000m) pos: 18.9 neg: -10.2 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 2182.90 Bulk Shear: 0.50 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 126 5 92 4| 0.0 9.5 9.5| 4.4 0.0 4.4 8.9 0.89| 11.3 10.1 1000 124 6 96 5| 0.0 3.9 3.9| 5.1 -3.7 1.4 1.4 0.46| 8.2 3.7 1500 119 5 85 4| 0.0 1.4 1.4| 5.1 -10.2 -5.1 -3.4 0.10| 7.3 0.7 2000 112 4 74 4| 1.1 1.0 2.1| 11.0 -10.2 0.7 0.4 0.26| 6.7 1.7 2500 118 5 80 4| 1.3 0.8 2.1| 15.8 -10.2 5.5 2.2 0.37| 6.6 2.5 3000 123 5 85 4| 1.0 0.7 1.7| 18.9 -10.2 8.6 2.9 0.45| 6.4 2.9 4000 138 4 99 3| 0.8 0.9 1.7| 20.0 -11.9 8.1 2.0 0.36| 5.5 2.0 5000 144 4 102 2| 0.6 0.9 1.5| 20.0 -12.1 7.9 1.6 0.31| 4.6 1.4 6000 146 4 99 2| 0.5 0.8 1.3| 20.0 -12.3 7.7 1.3 0.29| 4.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251224.12.gif