UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 8 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 1008 3 27.4 24.9 86 2.5 25.6 65 10 299.9 303.5 298.4 358.7 20.04 1 1000 79 27.2 24.3 84 2.9 25.0 65 14 300.4 303.9 298.2 357.6 19.47 2 984 222 26.4 23.0 82 3.4 23.9 62 16 300.9 304.3 297.6 354.7 18.26 3 956 476 23.6 22.7 95 0.9 23.0 56 20 300.6 304.0 297.7 354.9 18.47 4 939 634 23.2 21.6 91 1.6 22.1 53 22 301.7 305.0 297.4 353.5 17.56 5 925 765 22.0 21.2 95 0.8 21.5 50 24 301.8 305.0 297.3 353.1 17.39 6 921 803 21.6 21.1 97 0.5 21.2 50 23 301.8 305.0 297.3 353.0 17.35 7 893 1072 20.2 19.2 94 1.0 19.5 55 21 303.0 305.9 296.7 350.0 15.88 8 888 1120 20.4 19.0 92 1.4 19.4 57 21 303.7 306.6 296.7 350.5 15.76 9 881 1189 19.2 19.2 100 0.0 19.2 59 20 303.1 306.1 296.8 350.9 16.10 10 862 1377 18.4 18.4 100 0.0 18.4 43 22 304.2 307.1 296.8 350.8 15.64 11 850 1498 18.0 16.1 89 1.9 16.7 30 23 305.0 307.5 295.7 345.8 13.67 12 840 1600 18.0 14.5 80 3.5 15.7 30 24 306.0 308.4 295.1 343.4 12.46 13 837 1630 18.2 15.1 82 3.1 16.1 30 24 306.6 309.0 295.7 345.7 13.01 14 807 1943 16.2 14.2 88 2.0 14.8 30 24 307.7 310.0 295.7 346.1 12.72 15 800 2017 16.4 12.5 78 3.9 13.8 30 24 308.6 310.8 295.1 343.4 11.46 16 787 2157 15.6 11.0 74 4.6 12.6 30 24 309.2 311.2 294.6 341.3 10.54 17 776 2276 14.6 11.7 83 2.9 12.7 30 23 309.4 311.5 295.1 343.5 11.21 18 768 2364 14.6 10.6 77 4.0 12.0 30 22 310.3 312.3 294.9 342.5 10.51 19 759 2464 14.2 10.9 81 3.3 12.0 30 22 310.9 313.0 295.3 344.2 10.86 20 729 2804 11.6 10.5 93 1.1 10.9 30 19 311.7 313.8 295.6 345.5 11.01 21 725 2850 11.6 9.9 89 1.7 10.5 30 19 312.2 314.2 295.5 344.9 10.63 22 719 2920 11.6 9.0 84 2.6 9.9 30 19 312.9 314.8 295.3 344.1 10.08 23 700 3144 9.8 8.5 92 1.3 9.0 30 17 313.3 315.2 295.4 344.3 10.01 24 699 3156 9.8 8.5 92 1.3 9.0 31 17 313.5 315.4 295.4 344.5 10.02 25 679 3396 8.6 6.8 88 1.8 7.5 41 19 314.7 316.5 295.1 343.3 9.17 26 666 3556 8.0 4.3 77 3.7 5.8 43 20 315.8 317.3 294.4 340.5 7.85 27 660 3631 7.4 5.8 90 1.6 6.4 44 20 316.0 317.6 295.2 343.6 8.80 28 656 3681 7.8 3.0 72 4.8 5.0 45 20 317.0 318.4 294.3 339.9 7.26 29 649 3769 7.0 2.5 73 4.5 4.4 47 19 317.0 318.4 294.2 339.4 7.08 30 639 3897 6.4 1.7 72 4.7 3.7 49 18 317.8 319.1 294.1 339.3 6.79 31 636 3935 6.4 -0.6 61 7.0 2.6 49 18 318.2 319.3 293.5 336.6 5.77 32 625 4078 5.4 1.6 76 3.8 3.2 52 17 318.6 320.0 294.4 340.6 6.89 33 610 4276 4.2 0.4 76 3.8 2.1 55 15 319.5 320.7 294.4 340.2 6.47 34 607 4316 4.2 -2.8 60 7.0 0.5 53 15 319.9 320.9 293.4 336.5 5.13 35 593 4506 3.2 -1.8 70 5.0 0.5 41 14 320.9 322.0 294.1 339.2 5.66 36 582 4657 2.4 -6.6 51 9.0 -1.9 38 15 321.7 322.5 293.0 334.9 4.01 37 575 4755 1.6 -3.4 69 5.0 -1.0 43 16 321.9 322.9 294.0 338.7 5.18 38 571 4811 1.4 -5.6 60 7.0 -2.0 46 16 322.3 323.1 293.5 336.7 4.41 39 569 4839 1.2 -3.8 69 5.0 -1.3 47 16 322.4 323.4 294.1 339.0 5.08 40 562 4939 0.6 -8.4 51 9.0 -3.6 50 17 322.8 323.5 293.0 334.8 3.61 41 552 5083 0.0 -7.0 59 7.0 -3.3 50 15 323.7 324.6 293.6 337.3 4.10 42 550 5112 0.0 -10.0 47 10.0 -4.4 50 15 324.1 324.7 293.0 335.0 3.25 43 548 5141 0.0 -8.0 55 8.0 -3.7 50 15 324.4 325.2 293.6 337.1 3.82 44 545 5185 0.0 -11.0 43 11.0 -4.8 50 14 324.9 325.5 293.1 335.1 3.03 45 542 5229 -0.5 -5.3 70 4.8 -2.9 47 14 324.8 325.8 294.4 340.6 4.76 46 538 5289 -0.5 -9.5 51 9.0 -4.6 41 14 325.5 326.2 293.6 337.1 3.46 47 537 5304 -0.5 -8.5 55 8.0 -4.2 39 14 325.7 326.5 293.9 338.2 3.75 48 527 5454 -1.9 -8.9 59 7.0 -5.1 24 13 325.8 326.5 293.9 338.2 3.70 49 512 5683 -3.3 -12.3 50 9.0 -7.1 15 10 326.8 327.4 293.5 336.6 2.91 50 509 5729 -3.7 -11.7 54 8.0 -7.1 14 9 326.9 327.5 293.6 337.2 3.07 51 506 5776 -3.9 -13.9 46 10.0 -7.9 13 9 327.2 327.7 293.3 336.0 2.58 52 500 5870 -4.5 -12.5 54 8.0 -7.8 10 7 327.6 328.1 293.7 337.5 2.93 53 400 7600 -14.1 -37.1 12 23.0 -18.8 10 15 336.7 336.7 293.9 338.2 0.40 54 300 9700 -30.7 -54.7 8 24.0 -32.7 270 20 342.1 342.1 294.9 342.4 0.08 55 250 10970 -40.3 -46.3 53 6.0 -40.8 255 32 346.2 346.2 296.0 347.1 0.24 56 200 12450 -53.5 -58.5 54 5.0 -53.7 260 50 348.0 348.1 296.3 348.4 0.07 57 181 13086 -57.7 -65.5 36 7.8 -57.9 255 67 351.2 351.2 296.9 351.4 0.03 58 150 14250 -65.7 -78.7 15 13.0 -65.8 235 45 356.9 356.9 298.1 356.9 0.01 59 100 16610 -82.5 -87.4 43 4.9 -82.5 295 15 368.3 368.3 300.2 368.3 0.00 60 95 16896 -83.7 -89.7 34 6.0 -83.7 280 23 371.4 371.4 300.8 371.4 0.00 61 85 17513 -83.5 -90.5 28 7.0 -83.5 275 10 383.8 383.8 302.9 383.8 0.00 62 81 17780 -84.7 -90.7 34 6.0 -84.7 289 5 386.7 386.7 303.3 386.7 0.00 63 77 18063 -81.3 -87.3 35 6.0 -81.3 314 4 399.4 399.4 305.1 399.4 0.00 64 73 18363 -80.7 -87.7 30 7.0 -80.7 340 2 406.8 406.8 306.1 406.8 0.00 65 70 18600 -80.1 -88.1 25 8.0 -80.1 120 4 413.0 413.0 306.9 413.0 0.00 66 66 18934 -78.1 -87.1 22 9.0 -78.1 117 10 424.4 424.4 308.2 424.4 0.00 67 64 19109 -78.7 -88.7 18 10.0 -78.7 116 13 426.8 426.8 308.5 426.8 0.00 68 63 19199 -76.1 -87.1 16 11.0 -76.2 114 14 434.5 434.5 309.3 434.5 0.00 69 62 19291 -76.5 -87.5 16 11.0 -76.6 107 19 435.6 435.6 309.4 435.6 0.00 70 58 19679 -71.9 -87.9 7 16.0 -72.0 81 32 454.4 454.4 311.3 454.4 0.00 71 51 20434 -73.3 -89.3 7 16.0 -73.4 64 28 468.1 468.1 312.5 468.1 0.00 72 50 20550 -71.5 -90.5 4 19.0 -71.6 100 26 475.0 475.0 313.1 475.0 0.00 73 46 21047 -68.1 -90.1 3 22.0 -68.3 105 28 494.7 494.7 314.5 494.7 0.00 74 42 21597 -65.7 -89.7 2 24.0 -66.0 95 32 513.6 513.6 315.9 513.7 0.00 75 40 21893 -66.9 -89.9 3 23.0 -67.2 91 35 517.9 517.9 316.2 517.9 0.00 76 36 22531 -66.1 -91.1 2 25.0 -66.5 88 40 535.8 535.8 317.3 535.8 0.00 77 34 22882 -61.1 -89.1 1 28.0 -61.8 92 43 557.7 557.7 318.5 557.8 0.00 78 30 23670 -55.5 -86.5 1 31.0 -57.0 100 50 593.3 593.3 320.3 593.4 0.01 79 27 24340 -57.1 -87.1 1 30.0 -58.5 88 52 607.0 607.0 320.9 607.0 0.01 80 24 25090 -55.3 -86.3 1 31.0 -57.2 90 54 633.0 633.0 322.0 633.1 0.01 81 23 25361 -55.9 -85.9 1 30.0 -57.7 91 53 639.0 639.0 322.3 639.1 0.01 82 21 25943 -54.1 -86.1 1 32.0 -56.4 94 51 661.3 661.3 323.1 661.4 0.01 83 20 26260 -49.7 -83.7 1 34.0 -53.2 95 50 684.0 684.1 323.9 684.2 0.02 84 17 27330 -47.5 -82.5 1 35.0 -52.2 101 45 723.6 723.7 325.2 723.9 0.03 85 14 28611 -48.7 -82.7 1 34.0 -53.6 100 44 760.9 760.9 326.3 761.2 0.03 86 13 29095 -51.7 -83.7 1 32.0 -55.8 82 45 766.8 766.8 326.4 767.0 0.03 87 12 29615 -51.5 -84.5 1 33.0 -55.9 83 44 785.3 785.3 326.9 785.5 0.03 88 11 30185 -48.3 -83.3 1 35.0 -54.2 95 40 816.7 816.7 327.7 817.0 0.03 89 10 30820 -43.1 -80.1 1 37.0 -51.7 80 53 858.7 858.7 328.6 859.3 0.07 90 10 30820 -42.7 -80.7 1 38.0 -51.5 80 53 860.2 860.2 328.6 860.7 0.06 91 9.7 31025 -44.3 -81.3 1 37.0 -52.5 81 50 861.7 861.7 328.7 862.2 0.06 92 9.4 31236 -43.3 -81.3 1 38.0 -52.1 82 47 873.2 873.3 328.9 873.8 0.06 93 9.2 31381 -40.1 -80.1 1 40.0 -50.7 82 46 890.9 890.9 329.2 891.6 0.07 94 8.8 31685 -39.3 -79.3 1 40.0 -50.5 84 42 905.3 905.4 329.5 906.2 0.08 95 8.7 31763 -40.1 -79.1 1 39.0 -51.0 84 41 905.2 905.3 329.5 906.1 0.09 96 7.0 33260 -35.9 -77.9 1 42.0 -50.4 90 21 980.6 980.7 330.9 982.2 0.13 97 6.3 33987 -39.3 -79.3 1 40.0 -52.2 996.2 996.2 331.1 997.5 0.12 98 6.1 34209 -37.5 -79.5 0 42.0 -51.8 1013.1 1013.2 331.4 1014.5 0.12 99 5.5 34921 -38.9 -79.9 1 41.0 -52.8 1037.4 1037.5 331.8 1038.9 0.12 TRP 95 16896 -83.7 -89.7 34 6.0 -83.7 280 23 371.4 371.4 300.8 371.4 0.00 WND 181 13086 -57.7 -65.5 36 7.8 -57.9 255 67 351.2 351.2 296.9 351.4 0.03 Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 545.00 mb = 5185.28 m = 17011.88 ft Wetbulb zero: 590.55 mb = 4539.18 m = 14892.13 ft Precipitable water: 2.28 inches Sfc-500 mean rel hum: 77.54 % Est. max temperature: 32.01 C = 89.62 F Sfc-Lift cond lev (LCL): 972.58 mb = 324.92 m = 1066.00 ft T: 25.27 C 700-500 lapse rate: 5.25 C/km ThetaE index: 7.44 C Layer 862.0- 837.0 mb Conv cond level (CCL): 923.75 mb = 776.81 m = 2548.54 ft Mean mixing ratio: 18.13 g/kg Conv temperature: 29.33 C = 84.80 F Cap Strength: 0.63 C Lifted Index: -3.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.76 C Lifted Index @700 mb: -2.00 C Showalter Index: -0.01 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.60 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 246.20 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1397.58 J/kg Max Up Vert Vel: 52.87 m/s Conv Inhibition (B-): 2.49 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 933.09 mb = 688.87 m = 2260.05 ft Lev Free Conv (LFC): 908.09 mb = 925.66 m = 3036.91 ft Equ Level (EL): 158.09 mb = 13924.50 m = 45683.49 ft B at Equ Level: 1387.33 J/kg Max Parcel Lev (MPL): 78.09 mb = 17984.16 m = 59002.43 ft Wind level data Storm motion: 70 at 14 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 1008 3 65 10 -9.1 -4.2 | 265 4 3.7 0.3 1 1000 79 65 14 -12.7 -5.9 | 357 1 0.1 -1.4 2 925 765 50 24 -18.4 -15.4 | 27 12 -5.6 -10.9 3 909 914 50 22 -16.9 -14.1 | 23 10 -4.1 -9.6 4 878 1219 60 20 -17.3 -10.0 | 40 7 -4.6 -5.5 5 850 1498 30 23 -11.5 -19.9 | 355 15 1.3 -15.4 6 847 1524 30 24 -12.0 -20.8 | 357 16 0.8 -16.3 7 789 2134 30 24 -12.0 -20.8 | 357 16 0.8 -16.3 8 700 3144 30 17 -8.5 -14.7 | 337 11 4.3 -10.2 9 682 3353 40 19 -12.2 -14.6 | 357 10 0.6 -10.0 10 657 3658 45 20 -14.1 -14.1 | 8 10 -1.4 -9.6 11 609 4267 55 15 -12.3 -8.6 | 353 4 0.5 -4.1 12 587 4572 35 14 -8.0 -11.5 | 326 8 4.7 -6.9 13 565 4877 50 17 -13.0 -10.9 | 2 6 -0.3 -6.4 14 544 5182 50 14 -10.7 -9.0 | 335 5 2.0 -4.5 15 524 5486 20 13 -4.4 -12.2 | 313 11 8.3 -7.7 16 500 5870 10 7 -1.2 -6.9 | 282 12 11.6 -2.4 17 486 6096 10 7 -1.2 -6.9 | 282 12 11.6 -2.4 18 467 6401 35 10 -5.7 -8.2 | 298 8 7.0 -3.7 19 449 6706 15 10 -2.6 -9.7 | 297 11 10.2 -5.1 20 432 7010 45 10 -7.1 -7.1 | 294 6 5.7 -2.5 21 415 7315 5 17 -1.5 -16.9 | 318 17 11.3 -12.4 22 400 7600 10 15 -2.6 -14.8 | 315 14 10.2 -10.2 23 399 7620 15 16 -4.1 -15.5 | 322 14 8.6 -10.9 24 367 8230 355 17 1.5 -16.9 | 311 19 14.2 -12.4 25 352 8534 5 16 -1.4 -15.9 | 315 16 11.4 -11.4 26 324 9144 330 14 7.0 -12.1 | 291 21 19.8 -7.6 27 311 9449 315 14 9.9 -9.9 | 283 23 22.7 -5.4 28 300 9700 270 20 20.0 -0.0 | 262 33 32.8 4.5 29 298 9754 270 20 20.0 -0.0 | 262 33 32.8 4.5 30 273 10363 245 20 18.1 8.5 | 247 34 30.9 13.0 31 250 10970 255 32 30.9 8.3 | 254 46 43.7 12.8 32 250 10973 260 25 24.6 4.3 | 257 38 37.4 8.9 33 200 12450 260 50 49.2 8.7 | 258 63 62.0 13.2 34 189 12802 260 48 47.3 8.3 | 258 61 60.0 12.9 35 181 13086 255 67 64.7 17.3 | 254 81 77.5 21.9 36 172 13411 255 67 64.7 17.3 | 254 81 77.5 21.9 37 156 14021 235 57 46.7 32.7 | 238 70 59.5 37.2 38 150 14250 235 45 36.9 25.8 | 239 58 49.6 30.3 39 120 15545 245 30 27.2 12.7 | 247 44 40.0 17.2 40 108 16154 225 13 9.2 9.2 | 238 26 22.0 13.7 41 103 16459 245 12 10.9 5.1 | 248 26 23.6 9.6 42 100 16610 295 15 13.6 -6.3 | 274 26 26.4 -1.8 43 97 16764 295 15 13.6 -6.3 | 274 26 26.4 -1.8 44 95 16896 280 23 22.7 -4.0 | 269 35 35.4 0.5 45 92 17069 285 24 23.2 -6.2 | 273 36 35.9 -1.7 46 87 17374 270 14 14.0 -0.0 | 260 27 26.8 4.5 47 83 17678 280 6 5.9 -1.0 | 259 19 18.7 3.5 48 70 18593 360 1 -0.0 -1.0 | 255 13 12.8 3.5 49 70 18600 120 4 -3.5 2.0 | 235 11 9.3 6.5 50 63 19202 115 14 -12.7 5.9 | 180 10 0.1 10.4 51 60 19507 90 28 -28.0 0.0 | 107 16 -15.2 4.5 52 57 19812 75 35 -33.8 -9.1 | 78 22 -21.0 -4.5 53 51 20422 60 28 -24.2 -14.0 | 50 15 -11.5 -9.5 54 50 20550 100 26 -25.6 4.5 | 125 16 -12.8 9.0 55 46 21031 105 28 -27.0 7.2 | 130 19 -14.3 11.8 56 38 22250 85 37 -36.9 -3.2 | 93 24 -24.1 1.3 57 30 23670 100 50 -49.2 8.7 | 110 39 -36.5 13.2 58 28 24079 105 49 -47.3 12.7 | 116 39 -34.6 17.2 59 27 24384 85 52 -51.8 -4.5 | 90 39 -39.0 -0.0 60 24 24994 90 54 -54.0 0.0 | 96 41 -41.2 4.5 61 20 26260 95 50 -49.8 4.4 | 103 38 -37.0 8.9 62 15 28042 105 41 -39.6 10.6 | 119 31 -26.8 15.1 63 14 28651 100 44 -43.3 7.6 | 112 33 -30.6 12.2 64 13 29261 75 46 -44.4 -11.9 | 77 33 -31.7 -7.4 65 11 30175 95 40 -39.8 3.5 | 106 28 -27.1 8.0 66 10 30820 80 53 -52.2 -9.2 | 83 40 -39.4 -4.7 67 7 33260 90 21 -21.0 0.0 | 119 9 -8.2 4.5 Wind Parameters Mean winds (0-6000m): 40.5 at 18.1 knts Storm direction: 70.5 at 13.5 knts Shear (0-3000m) pos: 0.0 neg: 1.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 75.8 deg Storm rel helicity (0-3000m) pos: 9.8 neg: -40.3 tot: -30.5 m^2/s^2 ave: -10.2 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -0.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 283.56 Bulk Shear: 4.93 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 60 16 21 4| 0.0 10.7 10.7| 2.5 0.0 2.5 5.0 0.51| 11.9 6.1 1000 55 19 24 7| 0.0 6.1 6.1| 4.3 -3.5 0.8 0.8 0.29| 9.4 2.8 1500 53 20 22 8| 0.0 5.5 5.5| 7.9 -26.3 -18.4 -12.3 -0.03| 11.2 -0.3 2000 46 21 13 10| 0.0 4.3 4.3| 9.8 -26.3 -16.5 -8.3 -0.01| 8.6 -0.1 2500 42 21 9 11| 0.0 3.0 3.0| 9.8 -32.3 -22.5 -9.0 -0.06| 7.4 -0.4 3000 40 21 5 12| 0.0 1.9 1.9| 9.8 -40.3 -30.5 -10.2 -0.11| 6.8 -0.7 4000 41 20 3 11| 0.8 1.5 2.3| 24.1 -42.8 -18.7 -4.7 -0.00| 6.3 -0.0 5000 42 19 1 10| 0.9 1.3 2.2| 31.7 -49.2 -17.6 -3.5 -0.01| 6.3 -0.0 6000 40 18 354 9| 0.8 1.5 2.3| 31.7 -77.0 -45.4 -7.6 -0.15| 6.5 -1.0 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251208.12.gif