UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:0000Z 17 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 1007 3 30.6 25.6 75 5.0 26.8 320 8 303.1 307.0 299.7 365.5 20.94 1 1006 12 29.6 24.6 75 5.0 25.9 319 8 302.2 305.9 298.8 360.6 19.71 2 1000 67 29.0 24.0 74 5.0 25.3 310 11 302.1 305.7 298.4 358.7 19.11 3 980 247 26.6 23.0 81 3.6 24.0 303 12 301.5 304.9 297.8 355.6 18.34 4 948 540 24.4 21.7 85 2.7 22.5 293 13 302.1 305.3 297.4 353.8 17.49 5 943 587 24.4 21.1 82 3.3 22.1 291 13 302.6 305.7 297.2 352.7 16.94 6 940 615 23.6 21.7 89 1.9 22.2 290 13 302.0 305.3 297.5 354.2 17.65 7 928 728 23.4 20.1 82 3.3 21.1 290 13 303.0 305.9 296.8 350.8 16.16 8 925 756 23.0 20.4 85 2.6 21.2 290 13 302.8 305.9 297.0 351.8 16.53 9 887 1122 19.8 19.3 97 0.5 19.5 290 14 303.2 306.1 296.8 350.9 16.09 10 870 1289 19.0 18.6 98 0.4 18.7 285 15 304.0 306.9 296.8 350.7 15.69 11 859 1399 18.8 17.0 89 1.8 17.5 277 15 304.9 307.6 296.1 347.7 14.34 12 850 1490 18.4 16.9 91 1.5 17.4 270 15 305.4 308.1 296.3 348.5 14.40 13 826 1736 17.0 16.3 96 0.7 16.5 272 17 306.5 309.1 296.5 349.3 14.26 14 802 1987 15.8 14.6 93 1.2 15.0 274 19 307.8 310.2 296.1 347.5 13.15 15 798 2030 16.2 13.2 82 3.0 14.2 274 19 308.6 310.9 295.6 345.2 12.04 16 786 2159 15.8 10.9 73 4.9 12.6 275 20 309.6 311.5 294.7 341.5 10.48 17 764 2400 14.2 10.2 77 4.0 11.6 275 22 310.3 312.3 294.7 341.8 10.29 18 757 2478 13.8 10.6 81 3.2 11.7 275 23 310.7 312.8 295.1 343.4 10.67 19 743 2636 13.4 8.7 73 4.7 10.4 275 24 312.0 313.8 294.7 341.4 9.55 20 712 2994 10.4 8.3 87 2.1 9.1 275 28 312.5 314.3 294.9 342.4 9.70 21 709 3029 10.2 8.0 86 2.2 8.8 275 28 312.6 314.5 294.8 342.1 9.54 22 700 3136 9.8 7.3 84 2.5 8.3 275 29 313.3 315.1 294.8 341.9 9.21 23 697 3172 9.8 6.1 78 3.7 7.6 275 29 313.7 315.3 294.4 340.2 8.51 24 683 3340 8.6 5.9 83 2.7 7.0 275 29 314.2 315.8 294.6 340.9 8.56 25 680 3376 8.6 4.7 76 3.9 6.3 275 29 314.6 316.1 294.1 339.3 7.90 26 667 3536 7.2 5.3 88 1.9 6.1 275 28 314.8 316.4 294.6 341.1 8.41 27 654 3697 6.4 1.6 71 4.8 3.7 275 28 315.6 316.9 293.4 336.4 6.58 28 650 3748 6.0 1.5 73 4.5 3.5 275 27 315.8 317.0 293.4 336.5 6.58 29 648 3773 6.0 3.9 86 2.1 4.8 275 27 316.0 317.5 294.5 340.7 7.84 30 643 3836 5.8 1.3 73 4.5 3.3 275 27 316.5 317.8 293.6 337.3 6.55 31 640 3875 5.2 3.3 88 1.9 4.1 275 27 316.2 317.7 294.4 340.2 7.61 32 637 3913 5.2 2.0 80 3.2 3.4 275 27 316.7 318.0 294.0 338.7 6.96 33 631 3990 4.8 3.0 88 1.8 3.8 275 26 317.1 318.5 294.6 340.9 7.55 34 626 4055 4.6 2.8 88 1.8 3.5 275 26 317.6 319.0 294.6 341.3 7.50 35 623 4094 4.4 0.9 78 3.5 2.5 275 26 317.8 319.0 294.0 338.7 6.57 36 621 4121 4.2 0.7 78 3.5 2.2 275 26 317.8 319.1 294.0 338.5 6.50 37 613 4226 4.6 2.0 83 2.6 3.1 275 25 319.5 320.9 295.0 342.6 7.24 38 609 4279 4.4 1.7 83 2.7 2.8 275 25 319.8 321.2 295.0 342.7 7.13 39 602 4374 5.2 -0.8 65 6.0 1.9 274 25 321.8 323.0 294.6 341.3 6.01 40 569 4831 1.0 -2.3 79 3.3 -0.7 282 23 322.1 323.2 294.4 340.6 5.69 41 564 4902 0.8 -1.9 82 2.7 -0.6 284 22 322.7 323.9 294.8 341.9 5.91 42 560 4959 0.6 -2.9 77 3.5 -1.2 280 21 323.1 324.2 294.6 341.2 5.53 43 537 5294 -2.5 -3.2 95 0.7 -2.9 261 18 323.3 324.4 294.7 341.7 5.64 44 532 5369 -1.7 -4.4 82 2.7 -3.1 261 18 325.1 326.2 294.8 342.3 5.20 45 526 5459 -2.3 -5.0 82 2.7 -3.7 262 17 325.5 326.5 294.8 342.1 5.02 46 521 5535 -2.7 -4.4 88 1.7 -3.6 263 17 325.9 326.9 295.1 343.4 5.31 47 509 5719 -3.7 -6.4 81 2.7 -5.0 264 15 326.9 327.8 294.9 342.4 4.66 48 500 5860 -4.9 -6.3 90 1.4 -5.6 260 18 327.1 328.0 295.0 343.0 4.78 49 499 5876 -5.1 -6.1 93 1.0 -5.6 260 18 327.0 328.0 295.1 343.2 4.87 50 495 5939 -5.1 -6.1 93 1.0 -5.6 258 18 327.8 328.7 295.3 344.1 4.91 51 484 6116 -5.7 -9.9 72 4.2 -7.6 256 18 329.1 329.9 294.7 341.8 3.73 52 474 6280 -7.1 -10.4 77 3.3 -8.5 267 20 329.4 330.1 294.7 341.8 3.66 53 472 6313 -7.3 -11.4 72 4.1 -9.1 269 20 329.5 330.2 294.6 341.1 3.39 54 467 6397 -7.7 -10.4 81 2.7 -8.9 274 21 330.0 330.8 295.0 342.7 3.71 55 400 7590 -14.9 -21.9 55 7.0 -17.1 280 28 335.6 336.0 294.7 341.6 1.66 56 300 9700 -29.5 -42.5 27 13.0 -31.2 300 21 343.8 343.9 295.5 345.0 0.30 57 250 10980 -38.9 -56.9 13 18.0 -39.9 280 7 348.2 348.2 296.3 348.5 0.07 58 200 12470 -52.1 -64.1 22 12.0 -52.4 250 16 350.3 350.3 296.7 350.4 0.03 59 150 14260 -67.1 -70.6 61 3.5 -67.1 225 34 354.5 354.5 297.6 354.6 0.02 60 102 16490 -83.9 -88.7 43 4.8 -83.9 230 23 363.6 363.6 299.4 363.6 0.00 61 100 16600 -82.7 -88.7 35 6.0 -82.7 220 19 367.9 367.9 300.2 367.9 0.00 62 97 16771 -81.3 -88.3 30 7.0 -81.3 220 19 373.9 373.9 301.2 373.9 0.00 63 87 17377 -84.5 -90.5 34 6.0 -84.5 29 10 379.3 379.3 302.1 379.3 0.00 64 84 17571 -84.1 -90.1 34 6.0 -84.1 3 10 383.9 383.9 302.9 383.9 0.00 65 83 17638 -80.9 -88.9 25 8.0 -80.9 354 10 391.8 391.8 304.0 391.8 0.00 66 79 17916 -81.1 -88.1 30 7.0 -81.1 348 13 396.9 396.9 304.8 396.9 0.00 67 77 18060 -81.7 -88.7 29 7.0 -81.7 347 15 398.6 398.6 305.0 398.6 0.00 68 72 18439 -79.3 -89.3 18 10.0 -79.3 307 14 411.4 411.4 306.7 411.4 0.00 69 70 18600 -75.9 -87.9 13 12.0 -75.9 155 12 422.0 422.0 307.9 422.0 0.00 70 68 18768 -75.3 -88.3 11 13.0 -75.3 172 11 426.8 426.8 308.5 426.8 0.00 71 63 19211 -76.1 -89.1 11 13.0 -76.2 95 10 434.5 434.5 309.3 434.5 0.00 72 57 19795 -72.3 -90.3 5 18.0 -72.4 105 11 455.7 455.7 311.4 455.7 0.00 73 56 19900 -72.5 -90.5 5 18.0 -72.6 99 13 457.6 457.6 311.5 457.6 0.00 74 50 20570 -70.7 -90.7 4 20.0 -70.8 90 17 476.9 476.9 313.2 476.9 0.00 75 48 20814 -67.5 -91.5 2 24.0 -67.7 94 19 490.1 490.1 314.2 490.1 0.00 76 47 20940 -67.3 -91.3 2 24.0 -67.5 93 20 493.5 493.6 314.5 493.6 0.00 77 45 21202 -68.3 -91.3 2 23.0 -68.5 91 21 497.3 497.3 314.8 497.3 0.00 78 40 21909 -67.7 -91.7 2 24.0 -67.9 70 36 515.8 515.8 316.0 515.9 0.00 79 36 22552 -61.7 -90.7 1 29.0 -62.3 68 35 547.1 547.1 317.9 547.2 0.00 80 35 22726 -62.1 -90.1 1 28.0 -62.7 72 36 550.5 550.5 318.1 550.5 0.00 81 32 23284 -58.5 -89.5 1 31.0 -59.5 86 40 574.5 574.5 319.4 574.5 0.00 82 30 23690 -57.9 -88.9 1 31.0 -59.0 85 44 586.8 586.8 320.0 586.8 0.00 83 24 25104 -55.5 -88.5 1 33.0 -57.3 79 47 632.4 632.4 322.0 632.5 0.01 84 23 25377 -52.9 -86.9 1 34.0 -55.4 77 47 647.8 647.8 322.6 647.9 0.01 85 21 25964 -52.7 -86.7 1 34.0 -55.4 76 49 665.5 665.5 323.3 665.6 0.01 86 20 26280 -51.3 -86.3 1 35.0 -54.4 85 49 679.1 679.2 323.7 679.2 0.01 87 16 27741 -47.7 -84.7 1 37.0 -52.6 85 44 735.7 735.7 325.6 735.8 0.02 88 12 29633 -49.1 -86.1 1 37.0 -54.4 81 34 793.8 793.8 327.1 793.9 0.02 89 10 30840 -45.1 -85.1 0 40.0 -52.8 115 32 851.2 851.2 328.4 851.5 0.03 90 9.4 31260 -36.9 -78.9 0 42.0 -49.3 105 31 897.5 897.6 329.4 898.4 0.08 91 8.6 31878 -34.3 -77.3 0 43.0 -48.7 92 31 930.8 930.9 330.0 932.1 0.12 92 7.8 32555 -38.1 -80.1 0 42.0 -50.7 77 30 941.9 942.0 330.2 942.9 0.08 93 7.6 32734 -36.9 -78.9 0 42.0 -50.4 73 30 953.8 953.9 330.4 955.0 0.10 94 7.0 33300 -38.9 -80.9 0 42.0 -51.6 60 29 968.2 968.3 330.7 969.2 0.08 95 6.5 33808 -39.3 -81.3 0 42.0 -52.1 987.3 987.3 331.0 988.2 0.08 TRP 102 16490 -83.9 -88.7 43 4.8 -83.9 230 23 363.6 363.6 299.4 363.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 555.55 mb = 5023.96 m = 16482.62 ft Wetbulb zero: 578.29 mb = 4699.67 m = 15418.69 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 83.01 % Est. max temperature: 32.49 C = 90.48 F Sfc-Lift cond lev (LCL): 937.28 mb = 640.33 m = 2100.81 ft T: 23.55 C 700-500 lapse rate: 5.40 C/km ThetaE index: 12.78 C Layer 1006.0- 940.0 mb Conv cond level (CCL): 901.99 mb = 975.56 m = 3200.63 ft Mean mixing ratio: 17.67 g/kg Conv temperature: 30.49 C = 86.88 F Cap Strength: 0.71 C Lifted Index: -3.51 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.50 C Lifted Index @700 mb: -2.00 C Showalter Index: -1.40 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.80 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 250.80 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1243.12 J/kg Max Up Vert Vel: 49.86 m/s Conv Inhibition (B-): 6.18 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 913.15 mb = 868.41 m = 2849.10 ft Lev Free Conv (LFC): 888.15 mb = 1110.39 m = 3642.98 ft Equ Level (EL): 148.15 mb = 14331.84 m = 47019.90 ft B at Equ Level: 1236.59 J/kg Max Parcel Lev (MPL): 78.15 mb = 17976.69 m = 58977.93 ft Wind level data Storm motion: 305 at 15 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 1007 3 320 8 5.1 -6.1 | 111 8 -7.3 2.8 1 1000 67 310 11 8.4 -7.1 | 114 4 -4.1 1.8 2 940 610 290 13 12.2 -4.4 | 177 4 -0.3 4.5 3 925 756 290 13 12.2 -4.4 | 177 4 -0.3 4.5 4 908 914 290 13 12.2 -4.4 | 177 4 -0.3 4.5 5 877 1219 290 15 14.1 -5.1 | 203 4 1.6 3.8 6 850 1490 270 15 15.0 -0.0 | 196 9 2.5 8.9 7 847 1524 270 16 16.0 -0.0 | 202 10 3.5 8.9 8 788 2134 275 20 19.9 -1.7 | 226 10 7.4 7.2 9 700 3136 275 29 28.9 -2.5 | 249 18 16.4 6.4 10 682 3353 275 29 28.9 -2.5 | 249 18 16.4 6.4 11 609 4267 275 25 24.9 -2.2 | 242 14 12.4 6.7 12 586 4572 270 26 26.0 -0.0 | 237 16 13.5 8.9 13 565 4877 285 22 21.3 -5.7 | 250 9 8.8 3.2 14 544 5182 260 19 18.7 3.3 | 207 14 6.2 12.2 15 504 5791 265 15 14.9 1.3 | 194 10 2.5 10.2 16 500 5860 260 18 17.7 3.1 | 204 13 5.2 12.0 17 485 6096 255 18 17.4 4.7 | 200 14 4.9 13.6 18 466 6401 275 21 20.9 -1.8 | 230 11 8.4 7.1 19 448 6706 275 22 21.9 -1.9 | 234 12 9.4 7.0 20 431 7010 290 24 22.6 -8.2 | 266 10 10.1 0.7 21 400 7590 280 28 27.6 -4.9 | 255 16 15.1 4.0 22 382 7925 280 29 28.6 -5.0 | 256 17 16.1 3.9 23 352 8534 270 22 22.0 -0.0 | 227 13 9.5 8.9 24 337 8839 290 22 20.7 -7.5 | 260 8 8.2 1.4 25 324 9144 280 20 19.7 -3.5 | 233 9 7.2 5.4 26 300 9700 300 21 18.2 -10.5 | 286 6 5.7 -1.6 27 298 9754 300 20 17.3 -10.0 | 283 5 4.8 -1.1 28 250 10973 280 7 6.9 -1.2 | 144 9 -5.6 7.7 29 250 10980 280 7 6.9 -1.2 | 144 9 -5.6 7.7 30 218 11887 255 16 15.5 4.1 | 193 13 3.0 13.0 31 200 12470 250 16 15.0 5.5 | 190 15 2.6 14.4 32 190 12802 245 15 13.6 6.3 | 184 15 1.1 15.2 33 156 14021 230 41 31.4 26.4 | 208 40 18.9 35.3 34 150 14260 225 34 24.0 24.0 | 199 35 11.6 32.9 35 141 14630 225 36 25.5 25.5 | 201 37 13.0 34.4 36 133 14935 250 28 26.3 9.6 | 217 23 13.8 18.5 37 103 16459 235 22 18.0 12.6 | 194 22 5.5 21.5 38 102 16490 230 23 17.6 14.8 | 192 24 5.1 23.7 39 100 16600 220 19 12.2 14.6 | 179 23 -0.3 23.5 40 97 16764 220 19 12.2 14.6 | 179 23 -0.3 23.5 41 92 17069 210 10 5.0 8.7 | 157 19 -7.5 17.6 42 87 17374 30 10 -5.0 -8.7 | 91 17 -17.5 0.2 43 83 17678 350 10 1.7 -9.8 | 85 11 -10.7 -0.9 44 74 18288 345 18 4.7 -17.4 | 43 12 -7.8 -8.5 45 70 18593 270 11 11.0 -0.0 | 171 9 -1.5 8.9 46 70 18600 155 12 -5.1 10.9 | 138 26 -17.5 19.8 47 67 18898 185 10 0.9 10.0 | 148 22 -11.6 18.9 48 63 19202 95 10 -10.0 0.9 | 114 24 -22.4 9.8 49 57 19812 105 11 -10.6 2.8 | 117 26 -23.1 11.7 50 54 20117 85 19 -18.9 -1.7 | 103 32 -31.4 7.2 51 50 20570 90 17 -17.0 0.0 | 107 31 -29.5 8.9 52 49 20726 95 19 -18.9 1.7 | 109 33 -31.4 10.6 53 44 21336 90 21 -21.0 0.0 | 105 35 -33.5 8.9 54 40 21946 70 36 -33.8 -12.3 | 86 46 -46.3 -3.4 55 38 22250 60 33 -28.6 -16.5 | 80 42 -41.1 -7.6 56 31 23470 90 41 -41.0 0.0 | 99 54 -53.5 8.9 57 30 23690 85 44 -43.8 -3.8 | 95 57 -56.3 5.1 58 21 25908 75 48 -46.4 -12.4 | 87 59 -58.8 -3.5 59 20 26213 80 51 -50.2 -8.9 | 90 63 -62.7 0.0 60 20 26280 85 49 -48.8 -4.3 | 94 61 -61.3 4.6 61 18 27127 90 49 -49.0 0.0 | 98 62 -61.5 8.9 62 13 28956 75 35 -33.8 -9.1 | 90 46 -46.3 -0.2 63 13 29261 90 35 -35.0 0.0 | 101 48 -47.5 8.9 64 12 29870 75 34 -32.8 -8.8 | 90 45 -45.3 0.1 65 10 30840 115 32 -29.0 13.5 | 118 47 -41.5 22.4 66 7 33300 60 29 -25.1 -14.5 | 82 38 -37.6 -5.6 Wind Parameters Mean winds (0-6000m): 275.5 at 20.4 knts Storm direction: 305.5 at 15.3 knts Shear (0-3000m) pos: 1.4 neg: 2.7 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 136.3 deg Storm rel helicity (0-3000m) pos: 35.6 neg: -0.8 tot: 34.8 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.7 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 71.36 Bulk Shear: 17.42 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 ------------------------------------------------------------------------------- 500 303 12 134 4| 0.0 6.6 6.6| 4.2 0.0 4.2 8.3 0.55| 7.3 4.0 1000 296 12 158 4| 0.0 4.0 4.0| 5.6 0.0 5.6 5.6 0.61| 4.4 2.7 1500 291 13 176 4| 0.0 4.1 4.1| 7.1 -0.8 6.3 4.2 0.40| 5.2 2.1 2000 285 14 193 5| 1.0 3.1 4.1| 17.1 -0.8 16.3 8.1 0.52| 4.9 2.6 2500 282 16 206 6| 1.7 2.5 4.1| 26.3 -0.8 25.5 10.2 0.56| 4.8 2.7 3000 281 17 218 7| 1.4 2.7 4.1| 35.6 -0.8 34.8 11.6 0.56| 4.8 2.7 4000 278 20 231 9| 1.0 1.8 2.9| 38.0 -6.6 31.4 7.8 0.46| 4.1 1.9 5000 278 21 234 10| 0.4 1.5 2.0| 45.1 -21.5 23.5 4.7 0.27| 4.6 1.2 6000 275 20 229 10| 0.4 1.4 1.8| 49.9 -45.3 4.6 0.8 0.11| 4.9 0.5 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251217.00.gif