UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:0000Z 21 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 30.8 24.8 70 6.0 26.3 145 6 303.3 306.9 299.2 362.5 19.92 1 1000 77 29.4 23.4 70 6.0 25.0 125 7 302.5 305.9 298.1 357.1 18.41 2 994 131 28.0 23.0 74 5.0 24.3 114 7 301.7 305.0 297.7 355.0 18.07 3 970 348 26.0 22.7 82 3.3 23.6 68 6 301.8 305.1 297.8 355.5 18.19 4 949 542 24.6 22.1 86 2.5 22.8 28 6 302.2 305.5 297.7 355.3 17.92 5 925 767 23.2 19.7 81 3.5 20.7 340 5 303.0 305.9 296.6 349.9 15.81 6 915 862 22.6 19.2 81 3.4 20.2 340 6 303.4 306.2 296.5 349.3 15.48 7 910 910 22.6 17.7 74 4.9 19.2 340 6 303.8 306.5 295.7 345.9 14.14 8 892 1084 20.8 18.0 84 2.8 18.8 333 6 303.7 306.4 296.1 347.4 14.72 9 881 1191 20.6 16.0 75 4.6 17.5 328 6 304.6 307.0 295.2 343.6 13.09 10 878 1221 20.6 14.6 68 6.0 16.6 327 7 304.9 307.1 294.5 340.7 11.99 11 876 1241 20.6 14.6 68 6.0 16.6 326 7 305.1 307.3 294.6 341.0 12.01 12 866 1340 19.2 15.5 79 3.7 16.7 322 7 304.6 307.0 295.1 343.1 12.89 13 859 1410 19.4 12.4 64 7.0 14.8 319 7 305.5 307.5 293.6 337.3 10.59 14 852 1481 19.0 12.0 64 7.0 14.5 316 7 305.8 307.8 293.6 337.1 10.40 15 850 1501 18.8 11.8 64 7.0 14.3 315 7 305.8 307.8 293.5 336.7 10.28 16 835 1654 17.8 11.8 68 6.0 13.9 319 7 306.3 308.3 293.8 337.9 10.47 17 831 1695 18.0 9.0 56 9.0 12.4 320 8 307.0 308.6 292.6 333.3 8.70 18 825 1757 17.8 10.8 64 7.0 13.3 321 8 307.4 309.3 293.7 337.4 9.91 19 820 1809 18.0 7.0 49 11.0 11.3 322 8 308.2 309.6 292.2 331.6 7.68 20 814 1872 18.0 5.0 42 13.0 10.4 324 8 308.8 310.1 291.6 329.5 6.73 21 809 1925 17.8 6.8 48 11.0 11.2 325 8 309.1 310.6 292.4 332.7 7.68 22 807 1946 17.6 9.6 59 8.0 12.6 325 8 309.1 310.9 293.7 337.6 9.34 23 804 1978 17.2 11.2 68 6.0 13.3 326 8 309.0 311.0 294.5 340.8 10.45 24 802 1999 17.2 10.2 63 7.0 12.7 327 9 309.3 311.1 294.1 339.1 9.79 25 798 2042 17.0 12.0 72 5.0 13.7 328 9 309.5 311.6 295.1 343.3 11.11 26 793 2095 17.2 5.2 45 12.0 10.1 329 9 310.3 311.6 292.2 331.9 7.01 27 791 2117 17.0 5.0 45 12.0 9.9 329 9 310.3 311.6 292.2 331.7 6.93 28 787 2160 17.0 4.0 42 13.0 9.5 330 9 310.7 312.0 291.9 330.8 6.49 29 785 2182 16.8 5.8 48 11.0 10.2 330 9 310.7 312.1 292.7 333.5 7.39 30 779 2247 16.6 2.6 39 14.0 8.6 330 9 311.2 312.3 291.6 329.7 5.93 31 775 2291 16.2 7.2 55 9.0 10.7 330 9 311.2 312.8 293.5 336.7 8.25 32 763 2424 15.6 2.6 42 13.0 8.2 330 9 312.0 313.1 291.9 330.9 6.06 33 754 2525 15.0 3.0 44 12.0 8.1 330 10 312.4 313.6 292.3 332.1 6.31 34 749 2581 14.8 0.8 38 14.0 7.1 330 10 312.8 313.8 291.6 329.8 5.42 35 747 2604 14.8 2.8 44 12.0 7.9 330 10 313.0 314.2 292.4 332.6 6.28 36 742 2660 14.4 3.4 48 11.0 8.0 330 10 313.2 314.4 292.7 333.8 6.60 37 737 2718 14.2 2.2 44 12.0 7.4 330 10 313.6 314.7 292.4 332.7 6.09 38 709 3044 12.2 2.2 50 10.0 6.5 323 9 314.8 316.1 293.0 334.8 6.34 39 702 3127 12.0 0.0 44 12.0 5.4 321 9 315.5 316.6 292.5 332.8 5.46 40 700 3151 12.0 0.0 44 12.0 5.4 320 9 315.8 316.8 292.6 333.1 5.47 41 691 3259 11.4 1.4 50 10.0 5.8 315 10 316.3 317.5 293.3 335.7 6.14 42 683 3356 11.2 0.2 47 11.0 5.1 310 10 317.1 318.2 293.1 335.2 5.69 43 679 3405 10.8 0.8 50 10.0 5.2 308 10 317.2 318.4 293.4 336.2 5.98 44 673 3479 10.4 0.4 50 10.0 4.8 304 11 317.6 318.7 293.4 336.2 5.86 45 667 3553 10.0 -2.0 43 12.0 3.7 301 11 317.9 318.9 292.7 333.8 4.95 46 648 3792 8.2 -1.8 49 10.0 2.9 301 11 318.5 319.5 293.1 335.2 5.18 47 642 3869 7.6 0.6 61 7.0 3.7 305 11 318.7 319.9 294.0 338.6 6.24 48 630 4024 6.6 0.6 65 6.0 3.2 311 10 319.3 320.5 294.2 339.6 6.36 49 609 4301 5.0 -3.0 56 8.0 0.8 314 9 320.5 321.5 293.6 336.9 5.04 50 592 4531 3.0 -1.7 71 4.7 0.5 293 9 320.8 321.9 294.1 339.3 5.71 51 582 4669 2.4 -5.6 55 8.0 -1.5 281 10 321.7 322.5 293.3 335.9 4.33 52 578 4725 2.0 -3.0 69 5.0 -0.6 276 10 321.9 322.9 294.1 339.1 5.31 53 572 4809 1.2 -3.5 71 4.7 -1.2 268 10 321.9 322.9 294.0 338.7 5.17 54 500 5880 -4.1 -15.1 42 11.0 -8.4 280 11 328.0 328.5 293.4 336.2 2.37 55 400 7610 -13.3 -37.3 11 24.0 -18.3 255 11 337.7 337.8 294.1 339.2 0.39 56 300 9740 -29.3 -50.3 11 21.0 -31.4 250 7 344.1 344.1 295.4 344.6 0.13 57 250 11010 -39.5 -61.5 8 22.0 -40.6 275 13 347.3 347.3 296.1 347.5 0.04 58 200 12490 -52.3 -68.3 13 16.0 -52.7 295 15 349.9 350.0 296.6 350.0 0.02 59 150 14290 -67.1 -75.1 31 8.0 -67.2 275 20 354.5 354.5 297.6 354.5 0.01 60 100 16630 -83.9 -90.9 28 7.0 -83.9 300 21 365.6 365.6 299.8 365.6 0.00 61 99 16686 -83.9 -90.9 28 7.0 -83.9 300 21 366.7 366.7 299.9 366.7 0.00 62 94 16974 -82.3 -91.3 20 9.0 -82.3 293 16 375.3 375.3 301.5 375.3 0.00 63 86 17467 -85.3 -92.3 27 7.0 -85.3 285 7 378.9 378.9 302.1 378.9 0.00 64 81 17797 -84.9 -91.9 28 7.0 -84.9 263 12 386.3 386.3 303.2 386.3 0.00 65 78 18007 -81.9 -89.9 24 8.0 -81.9 205 14 396.7 396.7 304.8 396.7 0.00 66 74 18300 -83.1 -89.1 34 6.0 -83.1 91 11 400.2 400.2 305.2 400.2 0.00 67 72 18453 -83.3 -90.3 28 7.0 -83.3 44 10 402.9 402.9 305.6 402.9 0.00 68 70 18610 -81.9 -89.9 24 8.0 -81.9 355 10 409.2 409.2 306.4 409.2 0.00 69 67 18858 -79.5 -88.5 21 9.0 -79.6 17 10 419.5 419.5 307.7 419.5 0.00 70 63 19209 -79.3 -90.3 15 11.0 -79.3 75 9 427.4 427.4 308.6 427.4 0.00 71 62 19300 -77.3 -89.3 13 12.0 -77.3 77 10 433.8 433.8 309.3 433.8 0.00 72 57 19786 -76.3 -90.3 9 14.0 -76.3 80 20 446.6 446.6 310.6 446.6 0.00 73 51 20441 -69.1 -91.1 3 22.0 -69.3 80 39 477.9 477.9 313.3 477.9 0.00 74 50 20560 -67.7 -91.7 2 24.0 -67.9 80 42 484.0 484.0 313.8 484.0 0.00 75 45 21199 -63.7 -90.7 1 27.0 -64.1 77 43 508.5 508.5 315.5 508.5 0.00 76 40 21920 -64.5 -90.5 2 26.0 -64.9 87 43 523.9 523.9 316.5 523.9 0.00 77 36 22564 -63.5 -90.5 1 27.0 -64.0 96 43 542.5 542.5 317.6 542.5 0.00 78 33 23102 -60.1 -89.1 1 29.0 -60.9 98 45 565.2 565.2 318.9 565.2 0.00 79 30 23700 -57.7 -87.7 1 30.0 -58.9 95 51 587.3 587.3 320.0 587.4 0.01 80 29 23915 -57.1 -88.1 1 31.0 -58.4 95 52 594.7 594.7 320.3 594.7 0.01 81 27 24367 -57.9 -87.9 1 30.0 -59.2 95 55 604.7 604.7 320.8 604.8 0.01 82 25 24856 -54.9 -86.9 1 32.0 -56.8 91 52 626.8 626.8 321.7 626.9 0.01 83 23 25389 -55.1 -87.1 1 32.0 -57.1 87 49 641.4 641.4 322.3 641.4 0.01 84 20 26290 -51.7 -85.7 1 34.0 -54.7 80 43 677.9 677.9 323.7 678.0 0.01 85 19 26623 -50.5 -84.5 1 34.0 -53.9 79 43 691.7 691.7 324.1 691.8 0.02 86 18 26975 -51.7 -85.7 1 34.0 -54.9 77 44 698.7 698.7 324.4 698.8 0.01 87 14 28619 -47.7 -83.7 1 36.0 -53.0 93 43 764.3 764.3 326.3 764.5 0.03 88 13 29107 -49.3 -84.3 1 35.0 -54.2 102 50 775.1 775.1 326.6 775.3 0.02 89 11 30212 -45.1 -83.1 1 38.0 -52.4 63 47 828.3 828.3 327.9 828.6 0.04 90 10 30850 -44.1 -83.1 1 39.0 -52.2 100 35 854.9 855.0 328.5 855.3 0.04 91 10 30850 -44.1 -84.1 0 40.0 -52.2 100 35 854.9 854.9 328.5 855.2 0.03 92 9.5 31196 -41.1 -82.1 0 41.0 -51.0 97 36 878.9 879.0 329.0 879.4 0.05 93 8.1 32277 -41.9 -81.9 1 40.0 -52.1 88 39 916.8 916.8 329.8 917.4 0.06 94 7.6 32710 -40.1 -81.1 0 41.0 -51.7 85 40 940.9 940.9 330.2 941.7 0.07 95 7.2 33078 -41.1 -82.1 0 41.0 -52.4 82 41 951.4 951.5 330.4 952.2 0.07 96 7.0 33270 -39.9 -80.9 0 41.0 -52.0 80 42 964.1 964.2 330.6 965.0 0.08 97 6.7 33571 -37.7 -79.7 0 42.0 -51.3 985.5 985.5 330.9 986.7 0.10 98 6.5 33779 -38.7 -80.7 0 42.0 -51.9 989.8 989.9 331.0 990.9 0.09 TRP 99 16686 -83.9 -90.9 28 7.0 -83.9 300 21 366.7 366.7 299.9 366.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 555.70 mb = 5051.23 m = 16572.09 ft Wetbulb zero: 589.55 mb = 4564.79 m = 14976.16 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 60.07 % Est. max temperature: 33.14 C = 91.65 F Sfc-Lift cond lev (LCL): 924.72 mb = 769.68 m = 2525.17 ft T: 23.18 C 700-500 lapse rate: 5.90 C/km ThetaE index: 9.62 C Layer 949.0- 892.0 mb Conv cond level (CCL): 873.73 mb = 1263.18 m = 4144.22 ft Mean mixing ratio: 17.37 g/kg Conv temperature: 32.53 C = 90.56 F Cap Strength: 1.36 C Lifted Index: -2.48 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.98 C Lifted Index @700 mb: 0.38 C Showalter Index: 4.08 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 15.90 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 166.60 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 885.11 J/kg Max Up Vert Vel: 42.07 m/s Conv Inhibition (B-): 18.83 J/kg Cap Strength: 1.39 C Lift Cond Lev (LCL): 906.85 mb = 940.04 m = 3084.07 ft Lev Free Conv (LFC): 841.85 mb = 1583.62 m = 5195.54 ft Equ Level (EL): 831.85 mb = 1686.08 m = 5531.68 ft B at Equ Level: 8.04 J/kg Max Parcel Lev (MPL): 791.85 mb = 2107.72 m = 6915.01 ft Wind level data Storm motion: 334 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 1008 3 145 6 -3.4 4.9 | 150 13 -6.4 10.9 1 1000 77 125 7 -5.7 4.0 | 139 13 -8.7 10.0 2 925 767 340 5 1.7 -4.7 | 137 2 -1.2 1.3 3 909 914 340 6 2.1 -5.6 | 113 1 -0.9 0.4 4 850 1501 315 7 4.9 -4.9 | 242 2 2.0 1.1 5 789 2134 330 9 4.5 -7.8 | 319 2 1.5 -1.8 6 734 2743 330 10 5.0 -8.7 | 322 3 2.0 -2.6 7 700 3151 320 9 5.8 -6.9 | 287 3 2.8 -0.9 8 658 3658 295 12 10.9 -5.1 | 263 8 7.9 1.0 9 633 3962 310 10 7.7 -6.4 | 275 5 4.7 -0.4 10 610 4267 315 9 6.4 -6.4 | 276 3 3.4 -0.3 11 566 4877 260 10 9.8 1.7 | 222 10 6.9 7.8 12 525 5486 275 11 11.0 -1.0 | 238 9 8.0 5.1 13 506 5791 260 11 10.8 1.9 | 225 11 7.9 7.9 14 500 5880 280 11 10.8 -1.9 | 242 9 7.9 4.1 15 486 6096 270 10 10.0 -0.0 | 229 9 7.0 6.0 16 468 6401 295 10 9.1 -4.2 | 254 6 6.1 1.8 17 400 7610 255 11 10.6 2.8 | 221 12 7.7 8.9 18 399 7620 245 11 10.0 4.6 | 213 13 7.0 10.7 19 383 7925 260 11 10.8 1.9 | 225 11 7.9 7.9 20 368 8230 310 10 7.7 -6.4 | 275 5 4.7 -0.4 21 339 8839 265 10 10.0 0.9 | 225 10 7.0 6.9 22 300 9740 250 7 6.6 2.4 | 203 9 3.6 8.4 23 274 10363 275 10 10.0 -0.9 | 234 9 7.0 5.2 24 263 10668 290 12 11.3 -4.1 | 257 9 8.3 1.9 25 250 11010 275 13 13.0 -1.1 | 244 11 10.0 4.9 26 240 11278 275 13 13.0 -1.1 | 244 11 10.0 4.9 27 229 11582 300 13 11.3 -6.5 | 273 8 8.3 -0.5 28 209 12192 280 15 14.8 -2.6 | 254 12 11.8 3.4 29 200 12490 295 15 13.6 -6.3 | 272 11 10.6 -0.3 30 200 12497 295 15 13.6 -6.3 | 272 11 10.6 -0.3 31 173 13411 295 14 12.7 -5.9 | 269 10 9.7 0.1 32 164 13716 315 16 11.3 -11.3 | 302 10 8.4 -5.3 33 157 14021 280 21 20.7 -3.6 | 262 18 17.7 2.4 34 150 14290 275 20 19.9 -1.7 | 256 18 17.0 4.3 35 114 15850 270 31 31.0 -0.0 | 258 29 28.0 6.0 36 109 16154 270 27 27.0 -0.0 | 256 25 24.0 6.0 37 100 16630 300 21 18.2 -10.5 | 286 16 15.2 -4.5 38 99 16686 300 21 18.2 -10.5 | 286 16 15.2 -4.5 39 98 16764 300 21 18.2 -10.5 | 286 16 15.2 -4.5 40 87 17374 280 6 5.9 -1.0 | 211 6 3.0 5.0 41 83 17678 295 10 9.1 -4.2 | 254 6 6.1 1.8 42 78 17983 215 14 8.0 11.5 | 196 18 5.1 17.5 43 74 18288 95 11 -11.0 1.0 | 117 16 -13.9 7.0 44 70 18610 355 10 0.9 -10.0 | 28 4 -2.1 -3.9 45 67 18898 20 10 -3.4 -9.4 | 62 7 -6.4 -3.4 46 63 19202 75 9 -8.7 -2.3 | 108 12 -11.6 3.7 47 60 19507 80 11 -10.8 -1.9 | 107 14 -13.8 4.1 48 50 20560 80 42 -41.4 -7.3 | 88 44 -44.3 -1.3 49 49 20726 85 39 -38.9 -3.4 | 94 42 -41.8 2.6 50 46 21031 75 43 -41.5 -11.1 | 83 45 -44.5 -5.1 51 34 22860 100 43 -42.3 7.5 | 107 47 -45.3 13.5 52 30 23700 95 51 -50.8 4.4 | 101 55 -53.8 10.5 53 27 24384 95 55 -54.8 4.8 | 101 59 -57.7 10.8 54 20 26290 80 43 -42.3 -7.5 | 88 45 -45.3 -1.4 55 17 27432 75 44 -42.5 -11.4 | 83 46 -45.5 -5.4 56 16 27737 75 31 -29.9 -8.0 | 87 33 -32.9 -2.0 57 13 29261 105 52 -50.2 13.5 | 110 57 -53.2 19.5 58 11 30175 60 48 -41.6 -24.0 | 68 48 -44.5 -18.0 59 10 30850 100 35 -34.5 6.1 | 108 39 -37.4 12.1 60 7 33270 80 42 -41.4 -7.3 | 88 44 -44.3 -1.3 Wind Parameters Mean winds (0-6000m): 303.9 at 9.0 knts Storm direction: 333.9 at 6.7 knts Shear (0-3000m) pos: 0.6 neg: 2.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 150.5 deg Storm rel helicity (0-3000m) pos: 2.9 neg: -28.8 tot: -26.0 m^2/s^2 ave: -8.7 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 30.30 Bulk Shear: 29.22 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 94 6 125 11| 0.0 9.9 9.9| 0.0 -27.4 -27.4 -54.8 -0.75| 12.7 -9.5 1000 46 6 105 7| 0.0 6.2 6.2| 1.0 -27.8 -26.8 -26.8 -0.43| 9.7 -4.2 1500 350 6 88 2| 0.0 4.4 4.4| 1.2 -27.8 -26.6 -17.7 -0.32| 7.3 -2.3 2000 336 7 96 0| 0.6 3.3 3.9| 2.4 -27.8 -25.4 -12.7 -0.20| 6.1 -1.2 2500 334 7 327 0| 0.7 2.7 3.4| 2.8 -27.8 -25.0 -10.0 -0.16| 5.1 -0.8 3000 332 8 318 1| 0.6 2.2 2.8| 2.9 -28.8 -26.0 -8.7 -0.19| 4.5 -0.9 4000 322 8 284 2| 0.6 1.9 2.5| 4.6 -32.2 -27.6 -6.9 -0.19| 4.5 -0.9 5000 314 9 269 3| 0.4 1.6 2.0| 5.9 -42.9 -37.0 -7.4 -0.27| 4.7 -1.2 6000 304 9 257 5| 0.5 1.3 1.9| 17.6 -50.0 -32.4 -5.4 -0.19| 4.6 -0.9 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251221.00.gif