UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 25 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 28.0 24.8 83 3.2 25.6 150 8 300.4 304.0 298.5 358.9 19.90 1 1000 84 27.6 23.9 80 3.7 24.9 145 10 300.8 304.2 298.0 356.7 19.00 2 925 771 21.8 19.7 88 2.1 20.4 160 8 301.6 304.5 296.3 348.2 15.81 3 911 904 20.8 19.3 91 1.5 19.8 155 8 301.9 304.8 296.2 348.1 15.65 4 853 1472 17.6 16.4 93 1.2 16.8 174 10 304.3 306.8 295.7 345.6 13.89 5 850 1502 17.6 16.2 91 1.4 16.7 175 10 304.6 307.1 295.7 345.6 13.76 6 844 1563 17.2 16.4 95 0.8 16.7 178 10 304.8 307.4 295.9 346.7 14.04 7 835 1654 17.0 15.5 91 1.5 16.0 182 10 305.5 308.0 295.6 345.6 13.38 8 827 1737 17.2 12.3 73 4.9 14.0 186 10 306.6 308.6 294.2 339.5 10.93 9 821 1799 16.8 11.8 72 5.0 13.6 188 10 306.8 308.8 294.0 338.9 10.65 10 816 1851 16.4 14.3 87 2.1 15.0 191 10 306.9 309.3 295.5 345.0 12.66 11 813 1883 16.2 14.3 89 1.9 14.9 192 10 307.0 309.4 295.6 345.3 12.71 12 800 2020 15.6 12.6 82 3.0 13.6 199 9 307.8 309.9 295.0 342.7 11.54 13 772 2322 13.2 12.1 93 1.1 12.5 199 10 308.3 310.5 295.1 343.4 11.57 14 749 2577 12.8 10.0 83 2.8 11.0 191 11 310.6 312.5 294.8 342.3 10.35 15 737 2713 12.2 9.5 84 2.7 10.5 186 12 311.4 313.3 295.0 342.6 10.17 16 706 3073 9.8 7.8 87 2.0 8.6 175 13 312.6 314.4 294.7 341.8 9.45 17 701 3132 10.0 6.9 81 3.1 8.1 175 13 313.4 315.1 294.6 341.2 8.94 18 700 3144 10.0 6.9 81 3.1 8.1 175 13 313.6 315.3 294.7 341.4 8.96 19 686 3312 8.6 6.8 88 1.8 7.5 189 13 313.8 315.6 294.8 342.0 9.08 20 656 3682 7.6 2.6 71 5.0 4.7 220 12 316.7 318.1 294.1 339.0 7.06 21 598 4440 2.2 1.1 92 1.1 1.6 225 7 319.0 320.3 294.6 341.1 6.95 22 574 4771 0.2 -2.7 81 2.9 -1.3 247 10 320.4 321.5 293.9 338.1 5.47 23 570 4827 -0.3 -1.4 92 1.1 -0.9 251 10 320.4 321.6 294.3 340.0 6.07 24 566 4884 -0.5 -1.4 94 0.9 -1.0 254 11 320.8 322.0 294.4 340.6 6.11 25 553 5070 -1.5 -2.0 96 0.5 -1.8 235 11 321.8 323.0 294.6 341.2 5.99 26 530 5408 -3.1 -4.6 89 1.5 -3.8 220 9 323.8 324.8 294.5 340.7 5.14 27 529 5423 -3.1 -5.5 83 2.4 -4.3 220 9 324.0 324.9 294.3 339.8 4.80 28 528 5438 -2.9 -8.9 63 6.0 -5.6 220 9 324.4 325.1 293.5 336.7 3.70 29 527 5454 -3.1 -6.8 76 3.7 -4.8 220 9 324.3 325.2 294.0 338.8 4.36 30 526 5469 -3.1 -9.1 63 6.0 -5.8 220 9 324.5 325.2 293.5 336.7 3.65 31 525 5484 -2.9 -8.9 63 6.0 -5.6 220 8 324.9 325.7 293.7 337.3 3.72 32 523 5514 -3.1 -9.1 63 6.0 -5.8 220 8 325.1 325.8 293.6 337.3 3.67 33 521 5545 -3.1 -6.2 79 3.1 -4.6 220 8 325.4 326.3 294.5 340.7 4.62 34 516 5621 -3.7 -6.5 81 2.8 -5.0 220 7 325.6 326.5 294.5 340.7 4.56 35 512 5683 -4.3 -8.4 73 4.1 -6.2 220 7 325.6 326.4 294.0 338.8 3.96 36 510 5714 -4.5 -6.6 85 2.1 -5.5 220 6 325.7 326.6 294.6 340.9 4.58 37 508 5745 -4.5 -8.7 72 4.2 -6.4 220 6 326.1 326.8 294.1 339.1 3.90 38 500 5870 -4.9 -10.9 63 6.0 -7.5 220 5 327.1 327.7 293.9 338.3 3.33 39 499 5886 -4.9 -11.9 58 7.0 -7.8 219 5 327.3 327.9 293.7 337.7 3.08 40 495 5949 -5.1 -10.1 68 5.0 -7.3 215 5 327.8 328.5 294.3 339.9 3.59 41 494 5965 -4.9 -11.9 58 7.0 -7.9 214 5 328.2 328.8 294.0 338.8 3.11 42 493 5980 -5.1 -11.1 63 6.0 -7.7 213 5 328.1 328.8 294.1 339.4 3.32 43 484 6125 -6.1 -10.1 73 4.0 -7.9 204 4 328.6 329.4 294.6 341.1 3.67 44 482 6157 -6.3 -10.3 73 4.0 -8.1 201 4 328.8 329.5 294.6 341.1 3.63 45 480 6189 -6.3 -14.3 53 8.0 -9.5 199 4 329.2 329.7 293.9 338.2 2.63 46 477 6238 -6.5 -11.0 70 4.5 -8.5 196 4 329.5 330.2 294.6 341.3 3.46 47 471 6337 -7.3 -13.3 62 6.0 -9.8 190 3 329.7 330.3 294.3 339.7 2.91 48 469 6370 -7.3 -16.3 49 9.0 -10.7 188 3 330.1 330.6 293.9 338.0 2.28 49 460 6520 -7.7 -17.7 45 10.0 -11.3 178 3 331.5 331.9 294.0 338.7 2.07 50 445 6777 -9.3 -20.3 40 11.0 -13.0 161 2 332.6 332.9 294.0 338.7 1.71 51 436 6934 -10.5 -20.5 44 10.0 -13.8 151 1 333.0 333.4 294.1 339.1 1.72 52 434 6969 -10.7 -18.7 52 8.0 -13.5 148 1 333.2 333.6 294.4 340.3 2.01 53 429 7058 -11.5 -23.5 36 12.0 -15.1 149 1 333.3 333.6 293.9 338.1 1.34 54 425 7129 -12.1 -21.1 47 9.0 -15.0 158 2 333.4 333.8 294.1 339.4 1.67 55 400 7590 -14.5 -23.5 46 9.0 -17.2 210 6 336.1 336.4 294.6 341.4 1.44 56 300 9710 -29.9 -37.9 46 8.0 -31.1 240 8 343.2 343.3 295.6 345.1 0.49 57 250 10990 -38.7 -49.7 30 11.0 -39.5 255 15 348.5 348.6 296.4 349.2 0.16 58 200 12470 -52.1 -59.1 43 7.0 -52.3 260 18 350.3 350.3 296.7 350.5 0.07 59 150 14270 -67.9 -77.9 23 10.0 -67.9 250 17 353.1 353.1 297.3 353.1 0.01 60 100 16600 -83.5 -87.7 48 4.2 -83.5 260 14 366.4 366.4 299.9 366.4 0.00 61 98 16712 -83.9 -88.1 48 4.2 -83.9 240 19 367.7 367.7 300.2 367.8 0.00 62 88 17312 -81.1 -87.1 36 6.0 -81.1 174 15 384.9 384.9 303.0 384.9 0.00 63 86 17441 -81.3 -88.3 30 7.0 -81.3 169 12 387.0 387.0 303.3 387.0 0.00 64 85 17507 -79.3 -87.3 26 8.0 -79.3 172 12 392.3 392.3 304.1 392.3 0.00 65 80 17852 -78.9 -87.9 22 9.0 -78.9 162 8 400.0 400.0 305.2 400.0 0.00 66 79 17923 -78.9 -88.9 18 10.0 -78.9 156 8 401.5 401.5 305.4 401.5 0.00 67 77 18070 -75.9 -86.9 16 11.0 -75.9 142 6 410.7 410.7 306.6 410.7 0.00 68 75 18222 -74.9 -86.9 14 12.0 -74.9 127 5 415.9 415.9 307.2 415.9 0.00 69 70 18620 -77.3 -88.3 16 11.0 -77.3 90 1 419.0 419.0 307.6 419.0 0.00 70 67 18871 -76.3 -88.3 13 12.0 -76.3 72 1 426.5 426.5 308.4 426.5 0.00 71 63 19222 -77.7 -88.7 15 11.0 -77.7 134 24 430.9 430.9 308.9 431.0 0.00 72 58 19695 -76.1 -89.1 11 13.0 -76.2 118 26 444.9 444.9 310.4 444.9 0.00 73 57 19796 -73.5 -88.5 8 15.0 -73.6 115 27 453.0 453.0 311.1 453.0 0.00 74 53 20225 -68.9 -88.9 4 20.0 -69.1 105 34 473.2 473.2 312.9 473.2 0.00 75 51 20453 -70.9 -89.9 4 19.0 -71.1 102 41 473.7 473.7 313.0 473.7 0.00 76 50 20570 -69.5 -89.5 4 20.0 -69.6 90 32 479.7 479.7 313.4 479.7 0.00 77 39 22074 -63.7 -88.7 2 25.0 -64.1 74 28 529.7 529.7 316.9 529.7 0.00 78 36 22571 -58.9 -86.9 2 28.0 -59.8 79 32 554.4 554.4 318.3 554.4 0.01 79 32 23314 -57.3 -86.3 1 29.0 -58.5 86 42 577.7 577.7 319.6 577.7 0.01 80 30 23720 -59.3 -87.3 1 28.0 -60.3 90 47 583.0 583.0 319.8 583.0 0.01 81 28 24154 -58.1 -87.1 1 29.0 -59.3 92 47 597.9 597.9 320.5 598.0 0.01 82 26 24622 -58.5 -87.5 1 29.0 -59.7 101 47 609.6 609.6 321.0 609.7 0.01 83 25 24871 -55.1 -86.1 1 31.0 -56.9 107 46 626.2 626.2 321.7 626.3 0.01 84 22 25693 -52.9 -84.9 1 32.0 -55.4 104 49 656.1 656.1 322.9 656.2 0.01 85 20 26310 -51.9 -83.9 1 32.0 -54.8 100 56 677.3 677.3 323.7 677.4 0.02 86 17 27361 -53.7 -84.7 1 31.0 -56.5 76 48 703.8 703.8 324.6 703.9 0.02 87 17 27361 -52.1 -84.1 1 32.0 -55.4 76 48 708.9 708.9 324.7 709.1 0.02 88 16 27754 -52.5 -84.5 1 32.0 -55.8 78 45 720.0 720.0 325.1 720.1 0.02 89 14 28624 -49.1 -83.1 1 34.0 -53.9 87 40 759.5 759.6 326.2 759.8 0.03 90 13 29110 -50.7 -83.7 1 33.0 -55.1 88 42 770.3 770.3 326.5 770.5 0.03 91 12 29639 -44.9 -81.9 1 37.0 -51.9 84 49 808.7 808.7 327.5 809.0 0.04 92 12 29639 -43.1 -81.1 1 38.0 -51.0 84 49 815.0 815.1 327.6 815.5 0.05 93 10 30870 -42.5 -80.5 1 38.0 -51.4 75 38 860.9 860.9 328.7 861.5 0.06 94 7.4 32887 -46.3 -82.3 1 36.0 -54.6 79 21 922.9 922.9 329.9 923.5 0.06 95 7.2 33070 -43.1 -82.1 1 39.0 -53.2 80 20 943.2 943.3 330.2 943.9 0.07 96 7.0 33260 -42.3 -81.3 1 39.0 -53.0 80 18 954.2 954.2 330.4 955.0 0.08 97 6.9 33358 -40.9 -79.9 1 39.0 -52.4 963.9 964.0 330.6 965.0 0.10 98 6.5 33762 -43.1 -81.1 1 38.0 -53.7 971.2 971.3 330.7 972.2 0.09 99 6.1 34193 -40.3 -80.3 1 40.0 -52.8 1001.1 1001.2 331.2 1002.3 0.10 TRP 98 16712 -83.9 -88.1 48 4.2 -83.9 240 19 367.7 367.7 300.2 367.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 572.40 mb = 4793.50 m = 15726.52 ft Wetbulb zero: 584.88 mb = 4619.42 m = 15155.39 ft Precipitable water: 2.33 inches Sfc-500 mean rel hum: 85.08 % Est. max temperature: 31.65 C = 88.98 F Sfc-Lift cond lev (LCL): 963.75 mb = 409.39 m = 1343.12 ft T: 24.85 C 700-500 lapse rate: 5.47 C/km ThetaE index: 13.27 C Layer 1000.0- 844.0 mb Conv cond level (CCL): 912.75 mb = 886.98 m = 2910.02 ft Mean mixing ratio: 17.30 g/kg Conv temperature: 29.48 C = 85.07 F Cap Strength: 0.44 C Lifted Index: -2.72 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.70 C Lifted Index @700 mb: -1.21 C Showalter Index: -0.35 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 21.10 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 219.40 Risk: None Energy Index: -1.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 852.78 J/kg Max Up Vert Vel: 41.30 m/s Conv Inhibition (B-): 1.47 J/kg Cap Strength: 0.44 C Lift Cond Lev (LCL): 921.52 mb = 803.81 m = 2637.12 ft Lev Free Conv (LFC): 896.52 mb = 1042.05 m = 3418.77 ft Equ Level (EL): 166.52 mb = 13616.33 m = 44672.47 ft B at Equ Level: 849.87 J/kg Max Parcel Lev (MPL): 86.52 mb = 17407.57 m = 57110.76 ft Wind level data Storm motion: 227 at 7 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 3 150 8 -4.0 6.9 | 102 10 -9.3 1.9 1 1000 84 145 10 -5.7 8.2 | 106 12 -11.1 3.2 2 975 305 140 10 -6.4 7.7 | 103 12 -11.7 2.7 3 942 610 160 10 -3.4 9.4 | 117 10 -8.7 4.4 4 925 771 160 8 -2.7 7.5 | 107 8 -8.1 2.5 5 910 914 155 8 -3.4 7.3 | 104 9 -8.7 2.2 6 850 1502 175 10 -0.9 10.0 | 129 8 -6.2 5.0 7 818 1829 190 10 1.7 9.8 | 144 6 -3.6 4.8 8 789 2134 205 9 3.8 8.2 | 154 3 -1.5 3.1 9 708 3048 175 13 -1.1 13.0 | 141 10 -6.4 7.9 10 700 3144 175 13 -1.1 13.0 | 141 10 -6.4 7.9 11 633 3962 245 11 10.0 4.6 | 274 5 4.7 -0.4 12 609 4267 215 6 3.4 4.9 | 87 2 -1.9 -0.1 13 565 4877 255 11 10.6 2.8 | 292 6 5.3 -2.2 14 544 5182 220 11 7.1 8.4 | 207 4 1.8 3.4 15 500 5870 220 5 3.2 3.8 | 61 2 -2.1 -1.2 16 431 7010 145 1 -0.6 0.8 | 55 7 -5.9 -4.2 17 400 7590 210 6 3.0 5.2 | 95 2 -2.3 0.2 18 352 8534 200 10 3.4 9.4 | 157 5 -1.9 4.4 19 324 9144 235 14 11.5 8.0 | 244 7 6.2 3.0 20 300 9710 240 8 6.9 4.0 | 302 2 1.6 -1.0 21 273 10363 250 18 16.9 6.2 | 264 12 11.6 1.1 22 251 10973 230 16 12.3 10.3 | 233 9 6.9 5.3 23 250 10990 255 15 14.5 3.9 | 277 9 9.2 -1.1 24 239 11278 265 15 14.9 1.3 | 291 10 9.6 -3.7 25 229 11582 270 14 14.0 -0.0 | 300 10 8.7 -5.0 26 209 12192 255 19 18.4 4.9 | 270 13 13.0 -0.1 27 200 12470 260 18 17.7 3.1 | 279 13 12.4 -1.9 28 172 13411 255 24 23.2 6.2 | 266 18 17.9 1.2 29 164 13716 285 20 19.3 -5.2 | 306 17 14.0 -10.2 30 150 14270 250 17 16.0 5.8 | 266 11 10.7 0.8 31 149 14326 250 15 14.1 5.1 | 269 9 8.8 0.1 32 127 15240 230 21 16.1 13.5 | 232 14 10.8 8.5 33 120 15545 275 18 17.9 -1.6 | 298 14 12.6 -6.6 34 108 16154 255 19 18.4 4.9 | 270 13 13.0 -0.1 35 102 16459 270 12 12.0 -0.0 | 307 8 6.7 -5.0 36 100 16600 260 14 13.8 2.4 | 287 9 8.5 -2.6 37 98 16712 240 19 16.5 9.5 | 248 12 11.1 4.5 38 97 16764 260 14 13.8 2.4 | 287 9 8.5 -2.6 39 92 17069 220 23 14.8 17.6 | 217 16 9.5 12.6 40 87 17374 165 13 -3.4 12.6 | 131 12 -8.7 7.5 41 83 17678 180 10 0.0 10.0 | 133 7 -5.3 5.0 42 70 18620 90 1 -1.0 0.0 | 52 8 -6.3 -5.0 43 67 18898 70 1 -0.9 -0.3 | 49 8 -6.3 -5.4 44 63 19202 135 24 -17.0 17.0 | 118 25 -22.3 12.0 45 54 20117 105 28 -27.0 7.2 | 94 32 -32.4 2.2 46 51 20422 105 44 -42.5 11.4 | 98 48 -47.8 6.4 47 50 20570 90 32 -32.0 0.0 | 82 38 -37.3 -5.0 48 49 20726 90 30 -30.0 0.0 | 82 36 -35.3 -5.0 49 42 21641 70 30 -28.2 -10.3 | 66 37 -33.5 -15.3 50 38 22250 75 27 -26.1 -7.0 | 69 34 -31.4 -12.0 51 30 23720 90 47 -47.0 0.0 | 85 53 -52.3 -5.0 52 30 23774 100 43 -42.3 7.5 | 93 48 -47.7 2.5 53 28 24079 90 47 -47.0 0.0 | 85 53 -52.3 -5.0 54 23 25298 115 46 -41.7 19.4 | 107 49 -47.0 14.4 55 20 26213 90 53 -53.0 0.0 | 85 59 -58.3 -5.0 56 20 26310 100 56 -55.1 9.7 | 94 61 -60.5 4.7 57 19 26518 100 57 -56.1 9.9 | 95 62 -61.4 4.9 58 17 27432 75 47 -45.4 -12.2 | 71 54 -50.7 -17.2 59 13 28956 90 38 -38.0 0.0 | 83 44 -43.3 -5.0 60 12 29566 85 51 -50.8 -4.4 | 80 57 -56.1 -9.5 61 11 30175 80 37 -36.4 -6.4 | 75 43 -41.8 -11.4 62 10 30870 75 38 -36.7 -9.8 | 71 45 -42.0 -14.8 63 7 33260 80 18 -17.7 -3.1 | 71 24 -23.0 -8.1 Wind Parameters Mean winds (0-6000m): 196.7 at 9.7 knts Storm direction: 226.7 at 7.3 knts Shear (0-3000m) pos: 1.2 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 40.2 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -9.5 tot: 12.4 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 0.9 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 87.79 Bulk Shear: 9.71 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 ------------------------------------------------------------------------------- 500 145 10 105 11| 2.1 0.0 2.1| 7.3 -1.9 5.4 10.8 0.36| 5.4 1.9 1000 151 9 108 10| 0.6 0.0 0.6| 10.7 -6.3 4.4 4.4 0.15| 4.8 0.7 1500 157 9 111 10| 1.5 0.0 1.5| 17.5 -6.3 11.2 7.5 0.35| 4.3 1.5 2000 165 9 117 9| 1.9 0.0 1.9| 21.6 -6.3 15.3 7.6 0.41| 4.3 1.7 2500 172 9 123 8| 1.5 0.3 1.8| 21.9 -6.7 15.2 6.1 0.34| 4.1 1.4 3000 174 10 127 8| 1.2 0.9 2.2| 21.9 -9.5 12.4 4.1 0.23| 4.1 0.9 4000 182 10 137 7| 2.3 0.7 3.0| 41.5 -10.0 31.5 7.9 0.46| 5.0 2.3 5000 192 10 146 6| 2.2 0.8 3.0| 42.2 -13.2 29.0 5.8 0.27| 5.7 1.5 6000 197 10 150 5| 1.8 1.2 3.0| 42.4 -18.2 24.2 4.0 0.12| 5.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251225.12.gif