UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 19 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 26.8 23.9 84 2.9 24.7 310 2 299.3 302.7 297.5 354.4 18.84 1 1000 74 27.2 23.5 80 3.7 24.5 265 4 300.4 303.7 297.7 354.8 18.53 2 935 667 22.4 21.3 94 1.1 21.6 218 6 301.3 304.5 297.1 352.2 17.30 3 926 752 21.8 20.9 95 0.9 21.2 211 6 301.5 304.6 297.0 351.7 17.04 4 925 761 21.8 20.8 94 1.0 21.1 210 6 301.6 304.7 297.0 351.6 16.95 5 915 856 21.2 20.2 94 1.0 20.5 219 7 301.9 305.0 296.8 350.6 16.50 6 908 922 21.4 17.5 78 3.9 18.7 225 8 302.8 305.4 295.3 344.2 13.99 7 891 1086 20.0 19.1 95 0.9 19.4 231 8 303.0 305.9 296.6 349.8 15.81 8 868 1312 19.2 17.0 87 2.2 17.7 239 9 304.4 307.1 295.9 346.7 14.19 9 865 1342 19.4 15.8 80 3.6 17.0 240 9 304.9 307.4 295.3 344.3 13.17 10 850 1493 18.4 15.1 81 3.3 16.2 245 9 305.4 307.8 295.2 343.7 12.80 11 847 1523 18.2 14.5 79 3.7 15.7 246 9 305.5 307.8 294.9 342.5 12.35 12 784 2183 15.2 10.2 72 5.0 12.0 261 7 309.1 311.0 294.2 339.7 10.02 13 764 2402 14.2 9.2 72 5.0 11.0 264 8 310.3 312.2 294.3 339.8 9.61 14 748 2581 13.0 9.9 81 3.1 11.0 267 8 310.9 312.9 294.9 342.5 10.30 15 742 2649 13.2 7.2 67 6.0 9.5 268 9 311.9 313.5 293.9 338.5 8.62 16 738 2695 13.0 7.0 67 6.0 9.3 269 9 312.1 313.8 294.0 338.6 8.55 17 733 2752 13.0 4.0 54 9.0 7.8 270 9 312.7 314.1 292.9 334.5 6.97 18 731 2775 12.8 4.8 58 8.0 8.0 270 9 312.8 314.2 293.3 335.8 7.40 19 728 2809 12.8 3.8 54 9.0 7.6 271 9 313.1 314.4 293.0 334.7 6.92 20 724 2856 12.6 4.6 58 8.0 7.9 272 9 313.4 314.8 293.4 336.4 7.37 21 723 2867 12.6 3.6 54 9.0 7.4 272 9 313.5 314.8 293.0 335.0 6.87 22 719 2914 12.8 -1.2 38 14.0 5.4 273 10 314.2 315.2 291.6 329.7 4.87 23 716 2949 12.4 3.4 54 9.0 7.2 273 10 314.2 315.5 293.2 335.6 6.84 24 707 3056 12.0 -2.0 38 14.0 4.6 275 10 314.9 315.8 291.6 329.7 4.67 25 700 3139 11.6 -3.4 35 15.0 3.9 280 10 315.3 316.1 291.4 328.9 4.25 26 696 3187 11.4 -5.6 30 17.0 3.1 278 10 315.6 316.3 290.9 327.3 3.62 27 689 3271 10.8 -2.2 40 13.0 4.0 274 10 315.9 316.8 292.0 331.0 4.72 28 685 3320 10.2 1.2 54 9.0 5.2 272 10 315.7 316.9 293.1 335.0 6.10 29 682 3357 10.0 1.0 54 9.0 5.0 270 10 315.9 317.1 293.1 335.0 6.04 30 679 3393 9.8 3.8 66 6.0 6.3 274 10 316.1 317.5 294.2 339.5 7.43 31 661 3616 8.6 0.6 57 8.0 4.2 299 11 317.2 318.3 293.4 336.4 6.06 32 656 3679 8.0 2.0 66 6.0 4.6 304 11 317.2 318.5 294.0 338.6 6.76 33 648 3780 7.4 0.4 61 7.0 3.5 298 11 317.6 318.8 293.6 337.0 6.09 34 645 3819 7.2 3.3 76 3.9 4.9 295 11 317.8 319.3 294.7 341.7 7.55 35 641 3870 7.0 1.0 66 6.0 3.7 292 11 318.1 319.4 294.0 338.7 6.43 36 621 4130 4.8 1.7 80 3.1 3.1 292 12 318.5 319.9 294.5 340.8 6.99 37 618 4169 4.6 0.7 76 3.9 2.4 294 12 318.7 320.0 294.2 339.6 6.53 38 604 4356 3.2 0.2 81 3.0 1.5 300 14 319.2 320.5 294.3 339.8 6.44 39 592 4518 2.2 0.3 87 1.9 1.1 300 16 319.9 321.2 294.6 341.1 6.62 40 568 4852 0.6 -1.5 86 2.1 -0.5 270 16 321.8 323.0 294.7 341.4 6.05 41 557 5009 0.2 -4.0 73 4.2 -1.9 277 15 323.2 324.2 294.3 339.9 5.11 42 543 5214 -0.7 -4.7 74 4.0 -2.7 293 14 324.4 325.4 294.5 340.8 4.97 43 537 5302 -1.5 -4.9 78 3.4 -3.2 284 13 324.5 325.5 294.5 340.8 4.95 44 527 5452 -1.7 -7.7 64 6.0 -4.6 269 12 326.0 326.8 294.2 339.6 4.07 45 514 5651 -3.3 -7.7 72 4.4 -5.4 277 13 326.4 327.3 294.4 340.4 4.17 46 512 5682 -3.1 -10.1 58 7.0 -6.2 280 13 327.0 327.7 294.0 338.7 3.47 47 508 5744 -3.1 -12.1 50 9.0 -6.9 285 14 327.8 328.4 293.8 337.9 2.98 48 507 5760 -3.3 -10.3 58 7.0 -6.4 286 14 327.7 328.4 294.1 339.4 3.45 49 504 5807 -2.7 -21.7 22 19.0 -9.1 290 14 329.0 329.3 292.7 333.7 1.34 50 503 5822 -2.5 -21.5 22 19.0 -8.9 291 15 329.4 329.7 292.9 334.3 1.36 51 500 5870 -2.9 -19.9 26 17.0 -8.9 295 15 329.5 329.8 293.1 335.1 1.58 52 488 6062 -4.7 -14.7 45 10.0 -8.7 295 16 329.6 330.1 293.9 338.2 2.51 53 483 6143 -5.1 -16.1 42 11.0 -9.3 295 16 330.1 330.5 293.8 337.9 2.25 54 400 7600 -14.5 -37.5 12 23.0 -19.1 300 21 336.1 336.2 293.7 337.6 0.38 55 300 9720 -29.5 -43.5 25 14.0 -31.2 305 26 343.8 343.9 295.5 344.9 0.27 56 250 10990 -40.1 -54.1 21 14.0 -40.9 295 21 346.4 346.5 295.9 346.9 0.10 57 200 12470 -51.9 -65.9 17 14.0 -52.2 315 24 350.6 350.6 296.8 350.7 0.03 58 150 14270 -67.1 -77.1 23 10.0 -67.2 300 22 354.5 354.5 297.6 354.5 0.01 59 100 16610 -82.5 -90.5 24 8.0 -82.5 290 21 368.3 368.3 300.2 368.3 0.00 60 91 17134 -85.3 -91.3 33 6.0 -85.3 296 21 372.8 372.8 301.1 372.8 0.00 61 88 17319 -84.3 -90.3 34 6.0 -84.3 299 16 378.4 378.4 302.0 378.4 0.00 62 83 17641 -87.1 -91.9 41 4.8 -87.1 335 20 379.1 379.1 302.1 379.1 0.00 63 81 17775 -83.7 -89.7 34 6.0 -83.7 341 19 388.7 388.7 303.6 388.8 0.00 64 80 17844 -84.1 -90.1 34 6.0 -84.1 344 19 389.3 389.3 303.7 389.3 0.00 65 78 17985 -82.3 -89.3 29 7.0 -82.3 350 18 395.9 395.9 304.6 395.9 0.00 66 73 18361 -77.9 -87.9 18 10.0 -77.9 333 19 412.7 412.7 306.9 412.8 0.00 67 70 18600 -79.3 -88.3 21 9.0 -79.3 105 13 414.7 414.7 307.1 414.7 0.00 68 69 18681 -79.3 -88.3 21 9.0 -79.3 109 12 416.4 416.4 307.3 416.5 0.00 69 65 19022 -76.9 -88.9 13 12.0 -76.9 90 14 428.9 428.9 308.7 428.9 0.00 70 63 19202 -73.9 -87.9 10 14.0 -74.0 50 19 439.3 439.3 309.8 439.3 0.00 71 60 19487 -73.5 -88.5 8 15.0 -73.6 64 24 446.4 446.4 310.5 446.4 0.00 72 54 20100 -74.5 -89.5 8 15.0 -74.6 71 18 457.7 457.7 311.5 457.8 0.00 73 50 20550 -71.9 -89.9 5 18.0 -72.0 100 23 474.1 474.1 313.0 474.1 0.00 74 45 21175 -70.5 -90.5 4 20.0 -70.6 101 31 492.0 492.0 314.4 492.0 0.00 75 45 21175 -68.7 -90.7 3 22.0 -68.9 101 31 496.3 496.3 314.7 496.3 0.00 76 44 21309 -69.1 -91.1 3 22.0 -69.3 98 34 498.6 498.6 314.8 498.6 0.00 77 39 22044 -61.9 -88.9 2 27.0 -62.5 88 41 534.3 534.3 317.2 534.3 0.00 78 30 23690 -56.7 -86.7 1 30.0 -58.0 100 57 590.1 590.1 320.2 590.1 0.01 79 27 24358 -56.6 -86.6 1 30.0 -58.0 90 60 608.4 608.4 321.0 608.5 0.01 80 25 24847 -56.5 -86.5 1 30.0 -58.1 91 59 622.2 622.2 321.6 622.3 0.01 81 22 25661 -54.7 -85.7 1 31.0 -56.8 93 53 650.8 650.8 322.7 650.8 0.01 82 20 26280 -48.5 -83.5 1 35.0 -52.4 95 48 687.7 687.7 324.0 687.9 0.02 83 18 26975 -45.9 -81.9 1 36.0 -51.1 98 47 717.0 717.0 325.0 717.2 0.03 84 17 27355 -45.1 -81.1 1 36.0 -50.8 100 47 731.3 731.4 325.4 731.6 0.03 85 16 27760 -44.9 -80.9 1 36.0 -50.8 102 47 744.8 744.8 325.8 745.1 0.04 86 14 28649 -45.7 -81.7 1 36.0 -51.8 100 37 771.1 771.1 326.5 771.4 0.04 87 11 30238 -49.7 -83.7 1 34.0 -55.0 102 31 811.6 811.6 327.5 811.9 0.03 88 10 30860 -50.5 -84.5 1 34.0 -55.8 95 24 831.0 831.1 328.0 831.3 0.03 89 9.9 30926 -50.7 -84.7 1 34.0 -55.9 832.7 832.7 328.0 833.0 0.03 90 9.0 31547 -50.1 -84.1 1 34.0 -55.9 858.0 858.0 328.5 858.4 0.04 91 8.3 32082 -45.7 -82.7 1 37.0 -53.8 895.4 895.5 329.4 895.9 0.05 TRP 83 17641 -87.1 -91.9 41 4.8 -87.1 335 20 379.1 379.1 302.1 379.1 0.00 WND 27 24358 -56.6 -86.6 1 30.0 -58.0 90 60 608.4 608.4 321.0 608.5 0.01 Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 553.89 mb = 5054.81 m = 16583.84 ft Wetbulb zero: 575.43 mb = 4747.53 m = 15575.69 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 73.09 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 966.86 mb = 371.33 m = 1218.27 ft T: 24.79 C 700-500 lapse rate: 5.31 C/km ThetaE index: 10.56 C Layer 935.0- 891.0 mb Conv cond level (CCL): 915.62 mb = 849.63 m = 2787.48 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 29.44 C = 84.99 F Cap Strength: 0.70 C Lifted Index: -0.93 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.63 C Lifted Index @700 mb: 0.27 C Showalter Index: 2.41 C Risk: Showers probable Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 18.00 C K Index: 21.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 214.20 Risk: None Energy Index: -1.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 821.40 J/kg Max Up Vert Vel: 40.53 m/s Conv Inhibition (B-): 5.04 J/kg Cap Strength: 0.68 C Lift Cond Lev (LCL): 927.78 mb = 734.74 m = 2410.53 ft Lev Free Conv (LFC): 882.78 mb = 1166.37 m = 3826.62 ft Equ Level (EL): 872.78 mb = 1264.82 m = 4149.61 ft B at Equ Level: 6.56 J/kg Max Parcel Lev (MPL): 92.78 mb = 17025.96 m = 55858.79 ft Wind level data Storm motion: 304 at 8 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 3 310 2 1.5 -1.3 | 122 6 -4.8 3.1 1 1000 74 265 4 4.0 0.3 | 153 5 -2.4 4.7 2 925 761 210 6 3.0 5.2 | 160 10 -3.4 9.5 3 909 914 225 8 5.7 5.7 | 176 10 -0.7 10.0 4 850 1493 245 9 8.2 3.8 | 192 8 1.8 8.1 5 788 2134 260 7 6.9 1.2 | 185 6 0.5 5.6 6 708 3048 275 10 10.0 -0.9 | 226 5 3.6 3.5 7 700 3139 280 10 9.8 -1.7 | 233 4 3.5 2.6 8 682 3353 270 10 10.0 -0.0 | 220 6 3.6 4.3 9 657 3658 305 11 9.0 -6.3 | 307 3 2.6 -2.0 10 632 3962 285 11 10.6 -2.8 | 251 4 4.2 1.5 11 609 4267 300 13 11.3 -6.5 | 294 5 4.9 -2.2 12 587 4572 300 17 14.7 -8.5 | 297 9 8.3 -4.2 13 565 4877 265 16 15.9 1.4 | 239 11 9.6 5.7 14 544 5182 295 14 12.7 -5.9 | 284 7 6.3 -1.6 15 524 5486 265 12 12.0 1.0 | 226 8 5.6 5.4 16 500 5870 295 15 13.6 -6.3 | 285 7 7.2 -2.0 17 486 6096 295 16 14.5 -6.8 | 287 8 8.1 -2.4 18 449 6706 290 17 16.0 -5.8 | 279 10 9.6 -1.5 19 432 7010 315 14 9.9 -9.9 | 328 7 3.5 -5.6 20 400 7600 300 21 18.2 -10.5 | 298 13 11.8 -6.2 21 338 8839 295 28 25.4 -11.8 | 292 20 19.0 -7.5 22 311 9449 310 27 20.7 -17.4 | 312 19 14.3 -13.0 23 300 9720 305 26 21.3 -14.9 | 305 18 14.9 -10.6 24 274 10363 310 25 19.2 -16.1 | 313 17 12.8 -11.7 25 262 10668 295 22 19.9 -9.3 | 290 14 13.6 -5.0 26 250 10990 295 21 19.0 -8.9 | 290 13 12.7 -4.5 27 218 11887 295 24 21.8 -10.1 | 291 16 15.4 -5.8 28 200 12470 315 24 17.0 -17.0 | 320 16 10.6 -12.6 29 190 12802 315 23 16.3 -16.3 | 320 15 9.9 -11.9 30 164 13716 305 32 26.2 -18.4 | 305 24 19.8 -14.0 31 156 14021 295 26 23.6 -11.0 | 291 18 17.2 -6.6 32 150 14270 300 22 19.1 -11.0 | 298 14 12.7 -6.7 33 127 15240 305 25 20.5 -14.3 | 305 17 14.1 -10.0 34 114 15850 275 25 24.9 -2.2 | 263 19 18.5 2.2 35 100 16610 290 21 19.7 -7.2 | 282 14 13.4 -2.8 36 97 16764 290 21 19.7 -7.2 | 282 14 13.4 -2.8 37 92 17069 295 22 19.9 -9.3 | 290 14 13.6 -5.0 38 87 17374 300 15 13.0 -7.5 | 296 7 6.6 -3.2 39 83 17641 335 20 8.5 -18.1 | 351 14 2.1 -13.8 40 78 17983 350 18 3.1 -17.7 | 14 14 -3.3 -13.4 41 74 18288 335 22 9.3 -19.9 | 349 16 2.9 -15.6 42 70 18593 325 11 6.3 -9.0 | 1 5 -0.1 -4.7 43 70 18600 105 13 -12.6 3.4 | 112 20 -18.9 7.7 44 66 18898 120 10 -8.7 5.0 | 122 18 -15.0 9.3 45 63 19202 50 19 -14.6 -12.2 | 69 22 -20.9 -7.9 46 60 19507 65 24 -21.8 -10.1 | 78 29 -28.1 -5.8 47 57 19812 40 18 -11.6 -13.8 | 62 20 -18.0 -9.4 48 51 20422 105 17 -16.4 4.4 | 111 24 -22.8 8.7 49 50 20550 100 23 -22.7 4.0 | 106 30 -29.0 8.3 50 46 21031 105 27 -26.1 7.0 | 109 34 -32.5 11.3 51 42 21641 90 42 -42.0 0.0 | 95 49 -48.4 4.3 52 40 21946 75 39 -37.7 -10.1 | 83 44 -44.1 -5.8 53 38 22250 105 43 -41.5 11.1 | 108 50 -47.9 15.5 54 34 22860 90 53 -53.0 0.0 | 94 60 -59.4 4.3 55 30 23690 100 57 -56.1 9.9 | 103 64 -62.5 14.2 56 27 24358 90 60 -60.0 0.0 | 94 67 -66.4 4.3 57 26 24689 90 60 -60.0 0.0 | 94 67 -66.4 4.3 58 20 26280 95 48 -47.8 4.2 | 99 55 -54.2 8.5 59 15 28346 105 46 -44.4 11.9 | 108 53 -50.8 16.2 60 13 28956 95 27 -26.9 2.4 | 101 34 -33.3 6.7 61 12 29566 110 38 -35.7 13.0 | 112 46 -42.1 17.3 62 10 30860 95 24 -23.9 2.1 | 102 31 -30.3 6.4 Wind Parameters Mean winds (0-6000m): 274.2 at 10.3 knts Storm direction: 304.2 at 7.7 knts Shear (0-3000m) pos: 1.2 neg: 1.4 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 23.7 neg: -1.9 tot: 21.8 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.0 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 142.11 Bulk Shear: 5.78 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 ------------------------------------------------------------------------------- 500 249 4 159 6| 0.0 5.4 5.4| 5.9 0.0 5.9 11.8 0.68| 6.2 4.2 1000 230 5 164 8| 0.0 4.2 4.2| 13.6 -0.6 13.0 13.0 0.62| 5.6 3.5 1500 233 7 172 8| 0.9 2.8 3.7| 19.0 -0.6 18.3 12.2 0.66| 4.6 3.1 2000 239 7 177 8| 1.0 2.1 3.1| 19.0 -1.6 17.4 8.7 0.53| 4.1 2.2 2500 244 7 179 7| 1.1 1.7 2.8| 20.9 -1.9 19.0 7.6 0.54| 3.6 2.0 3000 250 7 184 7| 1.2 1.4 2.6| 23.7 -1.9 21.8 7.3 0.59| 3.4 2.0 4000 262 8 198 6| 1.2 1.1 2.3| 29.4 -5.2 24.2 6.1 0.47| 3.9 1.8 5000 271 10 217 5| 1.6 1.5 3.0| 39.5 -28.7 10.8 2.2 0.21| 5.0 1.1 6000 274 10 227 5| 1.9 1.4 3.3| 60.6 -39.7 20.9 3.5 0.22| 5.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251219.12.gif