UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 20 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 24.5 84 2.9 25.3 245 2 299.9 303.4 298.1 357.2 19.55 1 1004 41 28.0 23.5 77 4.5 24.7 252 2 300.8 304.2 297.7 355.1 18.45 2 1000 79 27.8 23.3 77 4.5 24.5 260 2 301.0 304.3 297.7 354.8 18.30 3 972 331 25.6 22.9 85 2.7 23.6 267 3 301.2 304.6 297.8 355.3 18.38 4 965 395 25.4 21.6 80 3.8 22.6 269 3 301.6 304.7 297.0 351.9 17.07 5 952 514 24.6 21.5 83 3.1 22.3 273 3 302.0 305.1 297.3 352.8 17.20 6 949 542 24.6 19.8 75 4.8 21.2 273 3 302.2 305.1 296.2 348.0 15.50 7 925 767 22.6 19.8 84 2.8 20.6 280 4 302.4 305.3 296.5 349.4 15.91 8 914 871 21.8 19.4 86 2.4 20.1 284 5 302.6 305.5 296.4 349.1 15.70 9 901 996 21.2 17.6 80 3.6 18.7 288 5 303.3 305.9 295.6 345.4 14.19 10 894 1064 20.6 18.3 87 2.3 19.0 290 5 303.3 306.1 296.1 347.7 14.97 11 889 1113 20.4 17.2 82 3.2 18.2 292 5 303.6 306.2 295.6 345.2 14.02 12 880 1201 19.6 18.3 92 1.3 18.7 295 5 303.7 306.5 296.4 348.9 15.21 13 863 1369 18.6 15.7 83 2.9 16.7 301 5 304.3 306.7 295.1 343.4 13.11 14 857 1429 18.4 15.5 83 2.9 16.4 303 5 304.7 307.1 295.2 343.6 13.03 15 851 1490 18.0 16.9 93 1.1 17.2 305 5 304.9 307.6 296.1 347.8 14.38 16 850 1500 18.0 16.8 93 1.2 17.2 305 5 305.0 307.7 296.1 347.7 14.31 17 821 1797 16.4 15.0 91 1.4 15.5 331 5 306.4 308.8 295.7 345.9 13.18 18 817 1839 16.4 14.6 89 1.8 15.2 334 4 306.8 309.2 295.7 345.6 12.90 19 816 1849 16.4 13.6 83 2.8 14.6 335 4 306.9 309.1 295.1 343.3 12.09 20 812 1891 16.4 14.0 86 2.4 14.8 339 4 307.3 309.7 295.5 344.9 12.48 21 778 2255 14.8 9.8 72 5.0 11.6 354 4 309.4 311.2 294.1 339.4 9.83 22 763 2420 14.2 9.8 75 4.4 11.4 346 5 310.5 312.4 294.6 341.2 10.02 23 759 2465 14.2 8.2 67 6.0 10.4 344 5 310.9 312.6 294.0 338.7 9.03 24 753 2532 13.6 10.1 79 3.5 11.3 341 5 311.0 312.9 295.0 342.8 10.37 25 749 2577 14.0 6.0 58 8.0 9.2 338 5 311.9 313.4 293.4 336.2 7.85 26 745 2622 13.6 5.6 58 8.0 8.8 336 5 311.9 313.4 293.3 335.7 7.68 27 741 2668 12.8 9.0 78 3.8 10.4 334 5 311.5 313.4 294.7 341.6 9.78 28 739 2690 12.6 9.1 79 3.5 10.4 333 5 311.6 313.4 294.8 341.9 9.87 29 736 2725 13.0 6.0 62 7.0 8.8 331 5 312.4 313.9 293.6 337.2 7.99 30 731 2782 12.4 6.4 67 6.0 8.8 328 5 312.3 313.9 293.8 338.0 8.28 31 728 2817 12.6 5.6 62 7.0 8.4 326 5 312.9 314.4 293.7 337.3 7.86 32 725 2851 12.4 7.9 74 4.5 9.6 325 5 313.1 314.8 294.7 341.8 9.27 33 724 2863 12.4 7.6 72 4.8 9.4 324 5 313.2 314.9 294.7 341.4 9.09 34 722 2886 12.6 3.6 54 9.0 7.4 323 5 313.6 315.0 293.1 335.2 6.88 35 719 2921 12.6 2.6 50 10.0 6.9 321 6 314.0 315.3 292.9 334.2 6.43 36 717 2945 12.6 2.6 50 10.0 6.9 320 6 314.3 315.5 292.9 334.5 6.45 37 714 2980 12.0 6.0 67 6.0 8.3 318 6 314.0 315.6 294.3 339.7 8.24 38 709 3039 11.8 2.8 54 9.0 6.6 315 6 314.4 315.7 293.1 335.2 6.62 39 701 3134 11.2 5.2 67 6.0 7.6 311 6 314.8 316.3 294.2 339.6 7.94 40 700 3146 11.0 5.0 66 6.0 7.4 310 6 314.7 316.2 294.1 339.2 7.84 41 698 3170 11.0 3.0 58 8.0 6.4 309 6 314.9 316.2 293.4 336.4 6.82 42 694 3218 10.6 1.6 54 9.0 5.5 308 6 315.0 316.2 292.9 334.6 6.20 43 693 3230 10.6 2.6 58 8.0 6.0 307 6 315.1 316.4 293.3 336.1 6.67 44 689 3278 10.0 7.8 86 2.2 8.6 306 6 315.0 316.8 295.6 345.2 9.69 45 687 3302 10.2 4.2 66 6.0 6.6 305 6 315.5 316.9 294.1 339.2 7.55 46 684 3339 10.0 6.2 77 3.8 7.7 304 5 315.6 317.3 295.0 343.0 8.73 47 668 3535 9.0 2.0 61 7.0 5.0 298 5 316.7 317.9 293.7 337.7 6.63 48 657 3672 8.2 3.2 71 5.0 5.3 294 5 317.3 318.7 294.4 340.5 7.35 49 621 4136 5.8 0.8 70 5.0 3.0 280 3 319.7 320.9 294.5 340.7 6.55 50 618 4175 5.8 -1.2 61 7.0 2.0 278 3 320.1 321.2 293.9 338.4 5.68 51 615 4215 5.8 -1.2 61 7.0 2.0 277 3 320.6 321.7 294.1 339.0 5.71 52 579 4706 2.2 -2.5 71 4.7 -0.3 291 6 321.9 323.0 294.3 339.8 5.51 53 570 4833 1.6 -3.4 69 5.0 -1.0 296 7 322.7 323.7 294.3 339.7 5.23 54 500 5880 -3.1 -11.1 54 8.0 -6.6 270 8 329.3 329.9 294.4 340.4 3.28 55 400 7610 -13.9 -28.9 27 15.0 -17.7 265 8 336.9 337.1 294.4 340.2 0.88 56 300 9730 -29.5 -49.5 13 20.0 -31.5 315 14 343.8 343.8 295.4 344.4 0.14 57 250 11010 -39.1 -62.1 7 23.0 -40.2 330 23 347.9 347.9 296.2 348.1 0.04 58 200 12490 -52.5 -65.5 19 13.0 -52.8 305 27 349.6 349.6 296.5 349.8 0.03 59 150 14290 -66.9 -75.9 27 9.0 -67.0 300 22 354.8 354.8 297.7 354.9 0.01 60 100 16630 -83.5 -90.5 28 7.0 -83.5 310 24 366.4 366.4 299.9 366.4 0.00 61 91 17152 -86.1 -93.1 27 7.0 -86.1 295 18 371.3 371.3 300.8 371.3 0.00 62 86 17462 -86.7 -93.7 27 7.0 -86.7 301 15 376.1 376.1 301.6 376.1 0.00 63 84 17591 -84.9 -91.9 28 7.0 -84.9 316 14 382.3 382.3 302.6 382.3 0.00 64 79 17929 -86.7 -92.7 32 6.0 -86.7 323 13 385.3 385.3 303.1 385.3 0.00 65 78 17999 -84.7 -92.7 23 8.0 -84.7 322 12 390.9 390.9 303.9 390.9 0.00 66 77 18071 -81.5 -90.5 20 9.0 -81.5 322 12 399.0 399.0 305.0 399.0 0.00 67 76 18145 -80.7 -88.7 25 8.0 -80.7 321 12 402.2 402.2 305.5 402.2 0.00 68 75 18219 -81.1 -89.1 25 8.0 -81.1 321 11 402.9 402.9 305.6 402.9 0.00 69 71 18529 -80.1 -90.1 17 10.0 -80.1 28 19 411.3 411.3 306.7 411.4 0.00 70 70 18610 -78.3 -89.3 15 11.0 -78.3 50 19 416.9 416.9 307.3 416.9 0.00 71 69 18692 -77.7 -88.7 15 11.0 -77.7 50 19 419.9 419.9 307.7 419.9 0.00 72 67 18860 -78.5 -89.5 15 11.0 -78.6 50 18 421.7 421.7 307.9 421.7 0.00 73 61 19394 -78.1 -90.1 13 12.0 -78.1 74 16 434.1 434.1 309.3 434.1 0.00 74 58 19685 -73.9 -89.9 7 16.0 -74.0 93 22 449.8 449.8 310.8 449.8 0.00 75 51 20442 -69.7 -90.7 3 21.0 -69.9 94 26 476.5 476.5 313.2 476.5 0.00 76 50 20560 -69.9 -90.9 3 21.0 -70.1 95 24 478.8 478.8 313.4 478.8 0.00 77 45 21197 -64.7 -90.7 2 26.0 -65.1 96 39 506.0 506.0 315.4 506.0 0.00 78 37 22402 -62.5 -90.5 1 28.0 -63.1 95 35 540.8 540.8 317.6 540.8 0.00 79 33 23111 -61.7 -89.7 1 28.0 -62.4 103 45 560.9 560.9 318.7 561.0 0.00 80 31 23503 -57.9 -88.9 1 31.0 -59.0 101 52 581.3 581.3 319.8 581.3 0.00 81 30 23710 -58.3 -88.3 1 30.0 -59.4 100 55 585.7 585.7 319.9 585.7 0.01 82 29 23922 -58.7 -88.7 1 30.0 -59.8 99 56 590.3 590.3 320.2 590.3 0.01 83 27 24373 -56.1 -87.1 1 31.0 -57.6 97 57 609.8 609.8 321.0 609.9 0.01 84 23 25395 -53.5 -85.5 1 32.0 -55.8 95 59 646.1 646.1 322.5 646.1 0.01 85 22 25680 -53.9 -85.9 1 32.0 -56.2 95 59 653.1 653.1 322.8 653.2 0.01 86 20 26300 -47.5 -83.5 1 36.0 -51.8 90 48 690.8 690.8 324.1 690.9 0.02 87 20 26300 -47.5 -83.5 1 36.0 -51.8 90 48 690.8 690.8 324.1 690.9 0.02 88 17 27375 -47.3 -83.3 1 36.0 -52.1 84 42 724.3 724.3 325.2 724.5 0.02 89 14 28646 -51.9 -84.9 1 33.0 -55.7 85 34 750.1 750.1 326.0 750.2 0.02 90 12 29647 -51.1 -85.1 1 34.0 -55.6 103 43 786.7 786.7 326.9 786.9 0.02 91 11 30219 -46.3 -83.3 1 37.0 -53.0 89 51 823.9 824.0 327.8 824.3 0.03 92 10 30850 -47.9 -82.9 1 35.0 -54.2 75 48 840.7 840.8 328.2 841.1 0.04 93 9.0 31539 -49.9 -84.9 1 35.0 -55.8 75 52 858.8 858.8 328.6 859.1 0.03 94 8.6 31838 -45.7 -83.7 1 38.0 -53.7 75 53 886.4 886.4 329.1 886.8 0.04 95 8.4 31994 -45.9 -82.9 1 37.0 -53.9 75 54 891.6 891.6 329.2 892.1 0.05 96 7.8 32492 -40.1 -81.1 0 41.0 -51.5 75 57 933.9 934.0 330.1 934.7 0.07 97 7.3 32944 -38.9 -80.9 0 42.0 -51.4 75 59 956.7 956.7 330.5 957.6 0.08 98 7.1 33133 -39.9 -80.9 0 41.0 -51.9 75 60 960.2 960.2 330.5 961.1 0.08 99 7.0 33230 -39.1 -80.4 0 41.3 -51.7 75 61 967.4 967.4 330.7 968.4 0.09 100 6.8 33429 -37.5 -79.5 0 42.0 -51.2 982.1 982.2 330.9 983.4 0.11 101 6.2 34069 -36.3 -79.3 0 43.0 -51.2 1013.6 1013.6 331.4 1015.0 0.12 102 6.1 34181 -36.3 -79.3 0 43.0 -51.3 1018.3 1018.4 331.5 1019.7 0.12 TRP 91 17152 -86.1 -93.1 27 7.0 -86.1 295 18 371.3 371.3 300.8 371.3 0.00 WND 7.0 33230 -39.1 -80.4 0 41.3 -51.7 75 61 967.4 967.4 330.7 968.4 0.09 Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 546.17 mb = 5189.10 m = 17024.40 ft Wetbulb zero: 583.30 mb = 4645.78 m = 15241.87 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 72.27 % Est. max temperature: 32.18 C = 89.93 F Sfc-Lift cond lev (LCL): 966.93 mb = 377.11 m = 1237.23 ft T: 25.46 C 700-500 lapse rate: 5.16 C/km ThetaE index: 4.77 C Layer 949.0- 925.0 mb Conv cond level (CCL): 886.33 mb = 1138.75 m = 3736.00 ft Mean mixing ratio: 16.98 g/kg Conv temperature: 31.15 C = 88.07 F Cap Strength: 1.01 C Lifted Index: -0.83 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.16 C Lifted Index @700 mb: -0.09 C Showalter Index: 0.69 C Risk: Thunderstorms probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 19.90 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.60 Risk: None Energy Index: -1.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 532.38 J/kg Max Up Vert Vel: 32.63 m/s Conv Inhibition (B-): 15.40 J/kg Cap Strength: 1.01 C Lift Cond Lev (LCL): 910.46 mb = 905.27 m = 2970.01 ft Lev Free Conv (LFC): 865.46 mb = 1344.73 m = 4411.80 ft Equ Level (EL): 755.46 mb = 2504.25 m = 8215.93 ft B at Equ Level: 17.90 J/kg Max Parcel Lev (MPL): 105.46 mb = 16323.34 m = 53553.61 ft Wind level data Storm motion: 330 at 4 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 3 245 2 1.8 0.8 | 176 4 -0.3 4.4 1 1000 79 260 2 2.0 0.3 | 178 4 -0.1 3.9 2 925 767 280 4 3.9 -0.7 | 213 3 1.9 2.8 3 909 914 285 5 4.8 -1.3 | 231 4 2.7 2.2 4 850 1500 305 5 4.1 -2.9 | 252 2 2.0 0.7 5 789 2134 360 4 -0.0 -4.0 | 77 2 -2.1 -0.5 6 700 3146 310 6 4.6 -3.9 | 277 3 2.5 -0.3 7 610 4267 275 3 3.0 -0.3 | 196 3 0.9 3.3 8 545 5182 310 10 7.7 -6.4 | 297 6 5.6 -2.9 9 505 5791 260 10 9.8 1.7 | 236 9 7.8 5.3 10 500 5880 270 8 8.0 -0.0 | 239 7 5.9 3.5 11 416 7315 285 4 3.9 -1.0 | 216 3 1.8 2.5 12 400 7610 265 8 8.0 0.7 | 234 7 5.9 4.2 13 368 8230 230 13 10.0 8.4 | 214 14 7.9 11.9 14 353 8534 250 14 13.2 4.8 | 233 14 11.1 8.3 15 339 8839 300 18 15.6 -9.0 | 292 15 13.5 -5.5 16 300 9730 315 14 9.9 -9.9 | 309 10 7.8 -6.4 17 299 9754 305 15 12.3 -8.6 | 296 11 10.2 -5.1 18 286 10058 325 14 8.0 -11.5 | 323 10 5.9 -7.9 19 274 10363 305 14 11.5 -8.0 | 296 10 9.4 -4.5 20 251 10973 335 23 9.7 -20.8 | 336 19 7.6 -17.3 21 250 11010 330 23 11.5 -19.9 | 330 19 9.4 -16.4 22 200 12490 305 27 22.1 -15.5 | 301 23 20.0 -12.0 23 190 12802 305 27 22.1 -15.5 | 301 23 20.0 -12.0 24 157 14021 315 21 14.8 -14.8 | 312 17 12.8 -11.3 25 150 14290 300 22 19.1 -11.0 | 294 19 17.0 -7.5 26 121 15545 290 26 24.4 -8.9 | 283 23 22.4 -5.4 27 114 15850 270 30 30.0 -0.0 | 263 28 27.9 3.5 28 109 16154 280 31 30.5 -5.4 | 274 29 28.4 -1.9 29 100 16630 310 24 18.4 -15.4 | 306 20 16.3 -11.9 30 98 16764 310 24 18.4 -15.4 | 306 20 16.3 -11.9 31 91 17152 295 18 16.3 -7.6 | 286 15 14.2 -4.1 32 87 17374 290 15 14.1 -5.1 | 278 12 12.0 -1.6 33 83 17678 325 14 8.0 -11.5 | 323 10 5.9 -7.9 34 74 18288 320 11 7.1 -8.4 | 314 7 5.0 -4.9 35 70 18593 45 21 -14.8 -14.8 | 56 20 -16.9 -11.3 36 70 18610 50 19 -14.6 -12.2 | 62 19 -16.6 -8.7 37 67 18898 50 18 -13.8 -11.6 | 63 18 -15.9 -8.0 38 63 19202 40 17 -10.9 -13.0 | 54 16 -13.0 -9.5 39 60 19507 90 16 -16.0 0.0 | 101 18 -18.1 3.5 40 57 19812 95 26 -25.9 2.3 | 102 29 -28.0 5.8 41 54 20117 90 30 -30.0 0.0 | 96 32 -32.1 3.5 42 50 20560 95 24 -23.9 2.1 | 102 27 -26.0 5.6 43 49 20726 95 24 -23.9 2.1 | 102 27 -26.0 5.6 44 46 21031 100 39 -38.4 6.8 | 104 42 -40.5 10.3 45 40 21946 80 40 -39.4 -6.9 | 85 42 -41.5 -3.4 46 36 22555 100 34 -33.5 5.9 | 105 37 -35.6 9.4 47 34 22860 105 41 -39.6 10.6 | 109 44 -41.7 14.1 48 30 23710 100 55 -54.2 9.6 | 103 58 -56.2 13.1 49 26 24689 95 58 -57.8 5.1 | 98 60 -59.9 8.6 50 21 25908 95 59 -58.8 5.1 | 98 61 -60.9 8.7 51 20 26300 90 48 -48.0 0.0 | 94 50 -50.1 3.5 52 15 28042 80 38 -37.4 -6.6 | 86 40 -39.5 -3.1 53 13 29261 90 29 -29.0 0.0 | 96 31 -31.1 3.5 54 12 29566 105 42 -40.6 10.9 | 109 45 -42.6 14.4 55 11 30175 90 51 -51.0 0.0 | 94 53 -53.1 3.5 56 10 30850 75 48 -46.4 -12.4 | 80 49 -48.4 -8.9 57 7 33230 75 61 -58.9 -15.8 | 79 62 -61.0 -12.3 Wind Parameters Mean winds (0-6000m): 299.5 at 5.5 knts Storm direction: 329.5 at 4.1 knts Shear (0-3000m) pos: 0.9 neg: 0.5 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 113.3 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -1.1 tot: 3.5 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 303.56 Bulk Shear: 1.75 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 ------------------------------------------------------------------------------- 500 266 3 187 4| 1.8 0.0 1.8| 1.5 0.0 1.5 2.9 0.79| 1.9 1.5 1000 276 3 201 3| 2.0 0.0 2.0| 3.4 0.0 3.4 3.4 0.88| 2.1 1.8 1500 285 4 214 3| 1.5 0.0 1.5| 4.0 0.0 4.0 2.7 0.80| 1.9 1.5 2000 296 4 222 2| 1.3 0.0 1.3| 4.5 0.0 4.5 2.3 0.74| 2.4 1.8 2500 307 4 229 2| 1.0 0.2 1.2| 4.6 -0.4 4.2 1.7 0.53| 2.3 1.2 3000 311 4 239 1| 0.9 0.5 1.4| 4.6 -1.1 3.5 1.2 0.28| 2.4 0.7 4000 308 4 242 2| 0.7 0.6 1.2| 4.6 -3.6 1.0 0.3 0.01| 2.3 0.0 5000 305 5 242 2| 0.9 0.4 1.4| 10.7 -4.1 6.6 1.3 0.22| 2.5 0.6 6000 300 5 253 3| 0.8 0.7 1.5| 13.2 -19.8 -6.6 -1.1 -0.02| 3.2 -0.1 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251220.12.gif