UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:0000Z 18 OCT 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 27.6 25.2 87 2.4 25.8 115 11 300.1 303.8 298.7 360.0 20.41 1 1002 58 27.0 23.6 82 3.4 24.5 100 12 300.0 303.4 297.6 354.5 18.61 2 1000 77 26.8 23.5 82 3.3 24.4 95 12 300.0 303.3 297.5 354.3 18.53 3 952 511 22.8 22.2 96 0.6 22.4 96 17 300.1 303.4 297.3 352.8 17.97 4 939 631 21.8 21.5 98 0.3 21.6 91 17 300.3 303.5 297.0 351.5 17.45 5 925 762 21.0 19.8 93 1.2 20.2 85 18 300.8 303.7 296.1 347.5 15.91 6 923 781 20.8 19.9 95 0.9 20.2 85 18 300.8 303.7 296.1 347.9 16.05 7 921 800 21.0 18.5 86 2.5 19.3 85 18 301.2 303.9 295.4 344.4 14.71 8 912 885 20.2 19.2 94 1.0 19.5 85 20 301.2 304.0 296.0 346.9 15.54 9 909 913 20.6 17.9 85 2.7 18.7 85 20 301.9 304.5 295.3 344.2 14.34 10 898 1018 20.2 16.6 80 3.6 17.7 92 20 302.5 305.0 294.8 342.0 13.35 11 862 1371 17.8 15.5 86 2.3 16.3 102 21 303.6 306.0 294.8 342.1 12.96 12 851 1481 17.8 14.0 78 3.8 15.3 100 21 304.7 306.9 294.4 340.2 11.89 13 850 1491 17.6 13.9 79 3.7 15.1 100 21 304.6 306.8 294.3 339.9 11.83 14 813 1871 15.2 13.4 89 1.8 14.0 91 24 305.9 308.2 294.8 341.9 11.97 15 807 1934 15.0 11.9 82 3.1 13.0 92 23 306.4 308.4 294.1 339.2 10.91 16 802 1986 14.6 12.6 88 2.0 13.3 92 22 306.5 308.6 294.6 341.1 11.51 17 789 2125 14.0 11.0 82 3.0 12.1 95 20 307.3 309.3 294.1 339.0 10.51 18 752 2529 11.4 9.7 89 1.7 10.3 94 15 308.7 310.6 294.2 339.4 10.10 19 738 2687 11.0 7.6 80 3.4 8.9 84 14 309.9 311.6 293.6 337.2 8.91 20 733 2743 11.0 4.0 62 7.0 7.0 80 13 310.5 311.9 292.3 332.1 6.97 21 728 2801 10.6 2.6 58 8.0 6.1 76 12 310.7 311.9 291.8 330.4 6.35 22 723 2858 10.2 5.2 71 5.0 7.2 71 11 310.9 312.3 293.0 334.6 7.69 23 705 3068 8.4 5.7 83 2.7 6.8 55 7 311.2 312.7 293.4 336.4 8.18 24 700 3127 8.6 4.3 74 4.3 6.1 50 6 312.0 313.4 293.1 335.1 7.46 25 696 3174 8.4 6.0 85 2.4 6.9 50 6 312.3 313.9 293.9 338.5 8.46 26 686 3294 7.4 6.1 91 1.3 6.6 51 6 312.5 314.1 294.1 339.2 8.65 27 680 3367 7.8 5.4 85 2.4 6.3 51 6 313.7 315.3 294.2 339.6 8.30 28 656 3662 5.8 4.8 93 1.0 5.2 52 7 314.7 316.3 294.4 340.5 8.25 29 633 3954 4.0 2.6 91 1.4 3.2 54 7 315.9 317.3 294.0 338.9 7.31 30 626 4045 3.2 3.1 99 0.1 3.1 54 8 316.0 317.4 294.3 340.1 7.67 31 612 4228 2.8 1.1 89 1.7 1.8 55 8 317.6 318.9 294.1 339.1 6.79 32 586 4579 0.2 -0.1 98 0.3 0.0 55 9 318.5 319.8 294.1 339.2 6.50 33 575 4731 -0.3 -0.5 99 0.2 -0.4 55 10 319.6 320.9 294.4 340.3 6.43 34 500 5840 -5.9 -6.7 94 0.8 -6.3 50 14 325.8 326.8 294.6 341.2 4.64 35 478 6192 -7.5 -8.6 92 1.1 -8.0 32 12 328.1 328.9 294.8 342.1 4.18 36 400 7560 -15.5 -17.1 88 1.6 -16.1 280 9 334.8 335.4 295.2 343.6 2.50 37 377 8004 -17.9 -19.9 84 2.0 -18.6 324 11 337.4 337.8 295.5 344.9 2.09 38 344 8682 -22.7 -24.1 88 1.4 -23.1 341 17 339.8 340.2 295.7 345.6 1.58 39 300 9670 -29.9 -31.9 83 2.0 -30.3 330 27 343.2 343.4 295.8 346.6 0.88 40 294 9814 -31.1 -33.1 82 2.0 -31.4 326 27 343.5 343.7 295.8 346.6 0.80 41 250 10950 -39.7 -43.5 67 3.8 -40.1 325 29 347.0 347.1 296.3 348.4 0.33 42 240 11227 -42.1 -46.4 63 4.3 -42.5 333 28 347.5 347.6 296.3 348.5 0.25 43 234 11397 -43.5 -47.1 67 3.6 -43.7 334 28 347.9 348.0 296.4 348.9 0.23 44 229 11542 -44.3 -49.3 57 5.0 -44.6 333 29 348.8 348.9 296.5 349.6 0.19 45 228 11571 -44.9 -48.8 65 3.9 -45.2 333 29 348.4 348.4 296.4 349.2 0.20 46 226 11630 -45.5 -50.5 57 5.0 -45.8 332 29 348.3 348.4 296.4 349.0 0.17 47 222 11748 -46.5 -50.0 67 3.5 -46.7 331 30 348.6 348.6 296.5 349.3 0.18 48 219 11838 -47.3 -51.9 59 4.6 -47.6 330 30 348.7 348.7 296.5 349.3 0.14 49 218 11868 -47.5 -50.9 68 3.4 -47.7 330 31 348.8 348.9 296.5 349.5 0.16 50 206 12239 -50.9 -56.9 49 6.0 -51.1 327 32 349.2 349.2 296.5 349.6 0.08 51 200 12430 -52.7 -56.8 61 4.1 -52.8 325 33 349.3 349.3 296.5 349.7 0.09 52 194 12626 -54.3 -59.1 55 4.8 -54.4 325 34 349.8 349.8 296.7 350.1 0.07 53 191 12726 -55.3 -59.1 62 3.8 -55.4 325 34 349.8 349.8 296.7 350.1 0.07 54 187 12860 -56.5 -61.1 56 4.6 -56.6 325 35 350.0 350.0 296.7 350.2 0.05 55 171 13422 -61.5 -64.9 64 3.4 -61.6 318 38 350.7 350.7 296.8 350.9 0.04 56 167 13568 -62.7 -68.7 44 6.0 -62.8 315 38 351.1 351.1 296.9 351.2 0.02 57 150 14220 -69.1 -72.8 59 3.7 -69.1 300 42 351.1 351.1 296.9 351.1 0.01 58 109 16063 -81.1 -83.9 62 2.8 -81.1 260 47 362.0 362.0 299.1 362.0 0.00 59 100 16550 -78.1 -84.1 37 6.0 -78.1 245 25 376.8 376.8 301.7 376.8 0.00 60 94 16902 -78.7 -86.7 26 8.0 -78.7 257 21 382.4 382.4 302.6 382.4 0.00 61 92 17025 -76.5 -85.5 23 9.0 -76.5 267 17 389.1 389.1 303.6 389.1 0.00 62 90 17152 -77.5 -86.5 22 9.0 -77.5 277 21 389.6 389.6 303.7 389.6 0.00 63 82 17689 -74.3 -88.3 10 14.0 -74.3 281 23 406.6 406.6 306.1 406.6 0.00 64 80 17832 -74.5 -88.5 10 14.0 -74.6 288 19 409.1 409.1 306.4 409.1 0.00 65 79 17906 -73.1 -88.1 8 15.0 -73.2 291 18 413.4 413.4 306.9 413.5 0.00 66 72 18446 -75.1 -88.1 11 13.0 -75.2 257 24 420.3 420.3 307.7 420.3 0.00 67 70 18610 -73.1 -88.1 8 15.0 -73.2 210 18 428.0 428.0 308.6 428.0 0.00 68 67 18866 -73.5 -89.5 7 16.0 -73.6 230 25 432.5 432.5 309.1 432.5 0.00 69 66 18954 -73.1 -90.1 6 17.0 -73.2 230 26 435.3 435.3 309.4 435.3 0.00 70 64 19137 -69.1 -90.1 3 21.0 -69.2 191 18 447.9 447.9 310.7 447.9 0.00 71 61 19424 -68.3 -90.3 3 22.0 -68.5 160 12 455.9 455.9 311.4 455.9 0.00 72 58 19726 -68.9 -89.9 3 21.0 -69.1 131 15 461.1 461.1 311.9 461.1 0.00 73 56 19937 -66.3 -90.3 2 24.0 -66.5 68 19 471.7 471.7 312.8 471.7 0.00 74 55 20046 -66.9 -89.9 3 23.0 -67.1 57 20 472.8 472.8 312.8 472.8 0.00 TRP 109 16063 -81.1 -83.9 62 2.8 -81.1 260 47 362.0 362.0 299.1 362.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5763.00 m Freezing level: 581.60 mb = 4639.62 m = 15221.66 ft Wetbulb zero: 585.47 mb = 4586.04 m = 15045.87 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 88.87 % Est. max temperature: 31.52 C = 88.74 F Sfc-Lift cond lev (LCL): 974.02 mb = 309.21 m = 1014.45 ft T: 24.66 C 700-500 lapse rate: 5.34 C/km ThetaE index: 12.54 C Layer 1002.0- 923.0 mb Conv cond level (CCL): 932.88 mb = 688.11 m = 2257.55 ft Mean mixing ratio: 17.48 g/kg Conv temperature: 28.05 C = 82.50 F Cap Strength: 0.08 C Lifted Index: -3.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.44 C Lifted Index @700 mb: -2.44 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.80 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 222.80 Risk: None Energy Index: 0.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1098.53 J/kg Max Up Vert Vel: 46.87 m/s Conv Inhibition (B-): 0.02 J/kg Cap Strength: 0.08 C Lift Cond Lev (LCL): 935.64 mb = 662.28 m = 2172.80 ft Lev Free Conv (LFC): 930.64 mb = 708.98 m = 2326.03 ft Equ Level (EL): 900.64 mb = 993.04 m = 3257.98 ft B at Equ Level: 6.27 J/kg Max Parcel Lev (MPL): 90.64 mb = 17110.65 m = 56136.63 ft Wind level data Storm motion: 110 at 10 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 3 115 11 -10.0 4.6 | 163 1 -0.4 1.2 1 1000 77 95 12 -12.0 1.0 | 45 3 -2.4 -2.4 2 974 305 105 16 -15.5 4.1 | 97 6 -5.9 0.7 3 925 762 85 18 -17.9 -1.6 | 59 10 -8.3 -5.0 4 909 914 85 20 -19.9 -1.7 | 63 12 -10.3 -5.2 5 877 1219 105 21 -20.3 5.4 | 101 11 -10.7 2.0 6 850 1491 100 21 -20.7 3.6 | 91 11 -11.1 0.2 7 817 1829 90 24 -24.0 0.0 | 77 15 -14.4 -3.4 8 788 2134 95 20 -19.9 1.7 | 81 10 -10.3 -1.7 9 760 2438 100 16 -15.8 2.8 | 84 6 -6.2 -0.6 10 733 2743 80 13 -12.8 -2.3 | 29 7 -3.2 -5.7 11 700 3127 50 6 -4.6 -3.9 | 326 9 5.0 -7.3 12 608 4267 55 8 -6.6 -4.6 | 339 9 3.0 -8.0 13 503 5791 55 14 -11.5 -8.0 | 9 12 -1.9 -11.5 14 500 5840 50 14 -10.7 -9.0 | 5 12 -1.1 -12.4 15 484 6096 35 13 -7.5 -10.6 | 351 14 2.1 -14.1 16 465 6401 25 10 -4.2 -9.1 | 337 14 5.4 -12.5 17 400 7560 280 9 8.9 -1.6 | 285 19 18.5 -5.0 18 381 7925 315 10 7.1 -7.1 | 302 20 16.7 -10.5 19 365 8230 355 16 1.4 -15.9 | 330 22 11.0 -19.4 20 336 8839 335 18 7.6 -16.3 | 319 26 17.2 -19.7 21 309 9449 345 24 6.2 -23.2 | 329 31 15.8 -26.6 22 300 9670 330 27 13.5 -23.4 | 319 35 23.1 -26.8 23 284 10058 320 26 16.7 -19.9 | 312 35 26.3 -23.3 24 250 10950 325 29 16.6 -23.8 | 316 38 26.2 -27.2 25 238 11278 335 28 11.8 -25.4 | 323 36 21.4 -28.8 26 200 12430 325 33 18.9 -27.0 | 317 42 28.5 -30.5 27 179 13106 325 36 20.6 -29.5 | 317 45 30.2 -32.9 28 150 14220 300 42 36.4 -21.0 | 298 52 46.0 -24.4 29 109 16063 260 47 46.3 8.2 | 265 56 55.9 4.7 30 107 16154 270 52 52.0 -0.0 | 273 62 61.6 -3.4 31 100 16550 245 25 22.7 10.6 | 258 33 32.3 7.1 32 96 16764 245 25 22.7 10.6 | 258 33 32.3 7.1 33 91 17069 270 16 16.0 -0.0 | 278 26 25.6 -3.4 34 87 17374 295 33 29.9 -13.9 | 294 43 39.5 -17.4 35 82 17678 280 23 22.7 -4.0 | 283 33 32.2 -7.4 36 78 17983 295 16 14.5 -6.8 | 293 26 24.1 -10.2 37 70 18593 245 26 23.6 11.0 | 257 34 33.2 7.6 38 70 18610 210 18 9.0 15.6 | 237 22 18.6 12.2 39 66 18898 235 27 22.1 15.5 | 249 34 31.7 12.1 40 62 19202 160 12 -4.1 11.3 | 215 10 5.5 7.9 41 59 19507 160 13 -4.4 12.2 | 210 10 5.1 8.8 42 56 19812 55 20 -16.4 -11.5 | 24 16 -6.8 -14.9 43 52 20117 65 22 -19.9 -9.3 | 39 16 -10.3 -12.7 44 49 20422 45 25 -17.7 -17.7 | 21 23 -8.1 -21.1 Wind Parameters Mean winds (0-6000m): 79.6 at 13.6 knts Storm direction: 109.6 at 10.2 knts Shear (0-3000m) pos: 1.2 neg: 2.2 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 178.9 deg Storm rel helicity (0-3000m) pos: 28.3 neg: -45.1 tot: -16.8 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -2.3 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 291.14 Bulk Shear: 3.77 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 ------------------------------------------------------------------------------- 500 101 15 83 5| 0.0 7.6 7.6| 3.9 -4.9 -1.0 -2.0 -0.28| 12.2 -3.5 1000 94 17 71 7| 0.0 5.8 5.8| 11.5 -10.5 1.0 1.0 -0.17| 9.9 -1.7 1500 96 18 80 8| 1.1 3.8 5.0| 25.2 -15.0 10.1 6.8 -0.00| 8.8 -0.0 2000 95 19 81 10| 0.8 3.4 4.2| 26.3 -24.8 1.4 0.7 -0.08| 8.3 -0.7 2500 96 19 81 9| 1.4 2.7 4.1| 28.3 -27.0 1.3 0.5 -0.08| 8.1 -0.7 3000 94 18 75 9| 1.2 2.2 3.4| 28.3 -45.1 -16.8 -5.6 -0.27| 8.6 -2.3 4000 90 15 57 6| 0.8 1.6 2.4| 31.7 -50.1 -18.4 -4.6 -0.27| 6.9 -1.9 5000 85 14 42 6| 0.5 1.4 1.9| 39.2 -50.1 -11.0 -2.2 -0.20| 5.9 -1.2 6000 80 14 33 7| 0.4 1.5 1.9| 45.4 -59.3 -13.9 -2.3 -0.18| 5.5 -1.0 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251018.00.gif