UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 20 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 1011 3 27.0 25.4 91 1.6 25.8 90 10 299.2 303.0 298.6 359.5 20.60 1 1007 40 27.2 24.6 86 2.6 25.3 88 11 299.8 303.3 298.2 357.5 19.69 2 1000 105 26.6 24.2 87 2.4 24.9 85 13 299.8 303.3 298.0 356.5 19.35 3 977 311 24.8 23.7 94 1.1 24.0 81 14 299.9 303.4 298.0 356.3 19.22 4 965 420 24.2 21.6 85 2.6 22.3 78 15 300.4 303.5 296.7 350.5 17.07 5 928 763 21.6 20.1 91 1.5 20.5 71 17 301.1 304.1 296.3 348.7 16.16 6 925 791 21.6 19.7 89 1.9 20.3 70 17 301.4 304.3 296.2 347.9 15.81 7 903 1000 20.0 18.6 92 1.4 19.0 74 17 301.8 304.6 295.8 346.4 15.10 8 894 1086 20.0 16.1 78 3.9 17.4 72 16 302.7 305.1 294.6 341.1 12.98 9 878 1242 19.2 15.3 78 3.9 16.6 70 16 303.4 305.8 294.5 340.7 12.55 10 850 1521 17.0 14.2 84 2.8 15.1 65 15 304.0 306.2 294.3 339.9 12.07 11 837 1653 16.2 13.9 86 2.3 14.7 64 14 304.5 306.7 294.4 340.3 12.02 12 787 2176 13.0 13.0 100 0.0 13.0 54 10 306.4 308.7 295.0 342.6 12.05 13 786 2186 12.8 12.3 97 0.5 12.5 52 10 306.3 308.5 294.6 341.0 11.52 14 776 2294 13.4 10.8 84 2.6 11.7 34 10 308.1 310.1 294.3 340.1 10.55 15 765 2415 12.0 11.9 99 0.1 11.9 15 10 307.9 310.0 295.0 342.7 11.52 16 761 2459 12.0 10.8 92 1.2 11.2 10 10 308.3 310.3 294.6 341.0 10.76 17 759 2481 13.2 8.9 75 4.3 10.5 9 10 309.8 311.6 294.0 338.8 9.48 18 755 2525 13.0 9.4 79 3.6 10.7 8 10 310.1 312.0 294.4 340.3 9.86 19 750 2582 12.6 8.2 75 4.4 9.9 7 9 310.3 312.0 293.9 338.3 9.14 20 749 2593 12.6 6.6 67 6.0 9.0 7 9 310.4 311.9 293.2 335.5 8.19 21 747 2615 12.2 8.6 79 3.6 10.0 6 9 310.2 312.0 294.1 339.1 9.43 22 744 2649 12.0 8.8 81 3.2 10.0 6 9 310.3 312.1 294.3 339.7 9.60 23 723 2889 10.8 9.0 89 1.8 9.7 1 8 311.6 313.5 294.9 342.4 10.02 24 722 2901 11.2 9.2 87 2.0 9.9 0 8 312.1 314.0 295.1 343.5 10.18 25 705 3100 9.0 8.5 97 0.5 8.7 356 7 311.8 313.7 294.9 342.4 9.94 26 700 3159 9.6 7.1 84 2.5 8.0 355 7 313.1 314.8 294.6 341.3 9.08 27 668 3546 7.8 4.5 80 3.3 5.8 314 10 315.3 316.8 294.4 340.2 7.93 28 658 3670 6.8 5.0 88 1.8 5.7 310 10 315.5 317.2 294.7 341.7 8.35 29 646 3821 6.2 3.9 85 2.3 4.8 305 10 316.5 318.1 294.6 341.3 7.87 30 638 3923 6.4 2.4 76 4.0 4.1 302 9 317.9 319.3 294.4 340.6 7.15 31 625 4092 5.2 0.5 72 4.7 2.6 296 9 318.4 319.6 294.0 338.7 6.36 32 592 4533 2.6 -0.7 79 3.3 0.8 302 10 320.4 321.6 294.4 340.2 6.15 33 578 4726 1.6 -2.6 74 4.2 -0.6 298 10 321.4 322.5 294.1 339.1 5.47 34 576 4754 1.4 -3.6 69 5.0 -1.2 297 10 321.5 322.5 293.9 338.0 5.09 35 573 4796 1.2 -2.3 77 3.5 -0.6 295 10 321.7 322.8 294.3 340.0 5.65 36 561 4966 0.2 -5.8 64 6.0 -2.7 286 10 322.5 323.4 293.6 337.0 4.43 37 552 5095 -0.7 -4.0 78 3.3 -2.4 280 10 322.9 323.9 294.3 339.8 5.16 38 550 5124 -0.7 -5.3 71 4.6 -3.0 279 10 323.3 324.2 294.0 338.7 4.69 39 542 5241 -1.3 -4.0 82 2.7 -2.7 277 10 323.9 324.9 294.6 341.1 5.26 40 527 5464 -2.9 -5.2 84 2.3 -4.0 284 10 324.6 325.6 294.5 340.8 4.93 41 521 5555 -3.1 -6.3 79 3.2 -4.7 283 9 325.4 326.3 294.4 340.6 4.59 42 518 5601 -3.3 -8.3 68 5.0 -5.6 281 9 325.7 326.5 294.0 338.9 3.95 43 514 5662 -3.5 -7.8 72 4.3 -5.5 279 8 326.2 327.0 294.3 340.0 4.14 44 506 5786 -4.3 -8.9 70 4.6 -6.4 274 6 326.7 327.4 294.2 339.6 3.86 45 500 5880 -4.9 -12.9 53 8.0 -8.2 270 5 327.1 327.6 293.5 336.7 2.83 46 498 5912 -4.9 -13.9 49 9.0 -8.5 268 5 327.4 328.0 293.4 336.4 2.62 47 497 5928 -5.1 -11.1 63 6.0 -7.7 268 5 327.4 328.0 294.0 338.5 3.30 48 496 5943 -5.1 -11.1 63 6.0 -7.7 267 5 327.6 328.2 294.0 338.8 3.30 49 493 5991 -5.5 -10.1 70 4.6 -7.5 264 5 327.7 328.4 294.3 339.8 3.60 50 492 6007 -5.7 -8.4 81 2.7 -7.0 263 6 327.6 328.4 294.7 341.4 4.13 51 490 6039 -5.7 -10.2 71 4.5 -7.7 262 6 328.0 328.7 294.3 340.1 3.59 52 484 6136 -6.3 -11.3 68 5.0 -8.4 257 6 328.4 329.1 294.3 339.7 3.33 53 483 6153 -6.5 -14.5 53 8.0 -9.6 256 6 328.3 328.9 293.6 337.2 2.57 54 400 7610 -14.7 -24.7 42 10.0 -17.6 180 3 335.9 336.1 294.4 340.6 1.29 55 300 9720 -30.3 -54.3 8 24.0 -32.3 270 20 342.7 342.7 295.0 343.0 0.08 56 250 10990 -40.9 -53.9 23 13.0 -41.7 295 17 345.3 345.3 295.7 345.7 0.10 57 200 12460 -53.5 -67.5 17 14.0 -53.8 270 28 348.0 348.1 296.2 348.1 0.02 58 150 14250 -68.3 -76.3 31 8.0 -68.4 265 38 352.4 352.4 297.1 352.5 0.01 59 100 16600 -80.7 -86.7 36 6.0 -80.7 305 3 371.8 371.8 300.9 371.8 0.00 60 95 16887 -81.9 -86.9 42 5.0 -81.9 320 14 374.9 374.9 301.4 375.0 0.00 61 94 16946 -80.7 -86.7 36 6.0 -80.7 323 13 378.4 378.4 302.0 378.5 0.00 62 92 17067 -81.3 -86.3 42 5.0 -81.3 330 11 379.6 379.6 302.2 379.6 0.00 63 89 17253 -81.1 -87.1 36 6.0 -81.1 320 15 383.6 383.6 302.8 383.6 0.00 64 83 17647 -77.7 -86.7 22 9.0 -77.7 298 23 398.3 398.3 305.0 398.3 0.00 65 82 17716 -77.7 -87.7 18 10.0 -77.7 294 25 399.7 399.7 305.2 399.7 0.00 66 80 17858 -75.5 -86.5 16 11.0 -75.5 286 28 407.0 407.0 306.1 407.0 0.00 67 76 18155 -74.7 -87.7 12 13.0 -74.7 268 21 414.7 414.7 307.1 414.7 0.00 68 73 18387 -76.3 -89.3 11 13.0 -76.3 308 14 416.1 416.1 307.3 416.1 0.00 69 70 18630 -73.9 -88.9 8 15.0 -74.0 60 14 426.3 426.3 308.4 426.3 0.00 70 68 18799 -74.9 -89.9 8 15.0 -75.0 54 16 427.7 427.7 308.6 427.7 0.00 71 66 18974 -70.5 -89.5 4 19.0 -70.6 53 16 440.9 440.9 310.0 440.9 0.00 72 61 19444 -68.9 -89.9 3 21.0 -69.1 70 10 454.5 454.5 311.3 454.5 0.00 TRP 95 16887 -81.9 -86.9 42 5.0 -81.9 320 14 374.9 374.9 301.4 375.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 559.00 mb = 4994.59 m = 16386.24 ft Wetbulb zero: 584.05 mb = 4641.70 m = 15228.48 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 82.52 % Est. max temperature: 31.55 C = 88.79 F Sfc-Lift cond lev (LCL): 988.30 mb = 209.21 m = 686.39 ft T: 25.69 C 700-500 lapse rate: 5.33 C/km ThetaE index: 19.67 C Layer 1007.0- 837.0 mb Conv cond level (CCL): 920.88 mb = 829.78 m = 2722.33 ft Mean mixing ratio: 17.55 g/kg Conv temperature: 29.27 C = 84.69 F Cap Strength: 0.49 C Lifted Index: -2.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.02 C Lifted Index @700 mb: -1.55 C Showalter Index: 1.94 C Risk: Showers probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.10 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 205.40 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1133.05 J/kg Max Up Vert Vel: 47.60 m/s Conv Inhibition (B-): 3.80 J/kg Cap Strength: 0.49 C Lift Cond Lev (LCL): 934.43 mb = 702.23 m = 2303.87 ft Lev Free Conv (LFC): 909.43 mb = 938.30 m = 3078.38 ft Equ Level (EL): 149.43 mb = 14272.17 m = 46824.13 ft B at Equ Level: 1120.27 J/kg Max Parcel Lev (MPL): 89.43 mb = 17225.76 m = 56514.28 ft Wind level data Storm motion: 44 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 1011 3 90 10 -10.0 0.0 | 144 7 -4.3 5.9 1 1000 105 85 13 -13.0 -1.1 | 123 9 -7.3 4.8 2 925 791 70 17 -16.0 -5.8 | 91 10 -10.3 0.1 3 912 914 75 17 -16.4 -4.4 | 98 11 -10.7 1.5 4 850 1521 65 15 -13.6 -6.3 | 87 8 -7.9 -0.4 5 790 2134 60 10 -8.7 -5.0 | 107 3 -3.0 0.9 6 762 2438 10 10 -1.7 -9.8 | 315 6 4.0 -3.9 7 700 3159 355 7 0.6 -7.0 | 280 6 6.3 -1.1 8 683 3353 320 10 6.4 -7.7 | 278 12 12.1 -1.7 9 610 4267 290 9 8.5 -3.1 | 259 14 14.2 2.8 10 588 4572 305 10 8.2 -5.7 | 269 14 13.9 0.2 11 545 5182 275 10 10.0 -0.9 | 252 16 15.7 5.0 12 525 5486 285 10 9.7 -2.6 | 258 16 15.4 3.3 13 500 5880 270 5 5.0 -0.0 | 241 12 10.7 5.9 14 432 7010 210 10 5.0 8.7 | 216 18 10.7 14.6 15 416 7315 175 10 -0.9 10.0 | 197 17 4.8 15.9 16 400 7610 180 3 0.0 3.0 | 213 11 5.7 8.9 17 383 7925 205 2 0.8 1.8 | 220 10 6.5 7.7 18 353 8534 245 14 12.7 5.9 | 237 22 18.4 11.8 19 338 8839 230 16 12.3 10.3 | 228 24 18.0 16.2 20 300 9720 270 20 20.0 -0.0 | 257 26 25.7 5.9 21 299 9754 255 16 15.5 4.1 | 245 23 21.1 10.1 22 286 10058 280 23 22.7 -4.0 | 266 28 28.3 1.9 23 274 10363 265 16 15.9 1.4 | 251 23 21.6 7.3 24 251 10973 295 18 16.3 -7.6 | 274 22 22.0 -1.7 25 250 10990 295 17 15.4 -7.2 | 273 21 21.1 -1.3 26 200 12460 270 28 28.0 -0.0 | 260 34 33.7 5.9 27 163 13716 255 32 30.9 8.3 | 249 39 36.6 14.2 28 150 14250 265 38 37.9 3.3 | 258 45 43.5 9.2 29 133 14935 270 44 44.0 -0.0 | 263 50 49.7 5.9 30 120 15545 255 42 40.6 10.9 | 250 49 46.3 16.8 31 108 16154 250 20 18.8 6.8 | 242 28 24.5 12.8 32 102 16459 260 10 9.8 1.7 | 244 17 15.5 7.6 33 100 16600 305 3 2.5 -1.7 | 243 9 8.2 4.2 34 97 16764 305 3 2.5 -1.7 | 243 9 8.2 4.2 35 95 16887 320 14 9.0 -10.7 | 288 15 14.7 -4.8 36 92 17069 330 11 5.5 -9.5 | 288 12 11.2 -3.6 37 78 17983 280 30 29.5 -5.2 | 269 35 35.2 0.7 38 74 18288 260 14 13.8 2.4 | 247 21 19.5 8.3 39 70 18630 60 14 -12.1 -7.0 | 80 7 -6.4 -1.1 40 66 18898 50 17 -13.0 -10.9 | 56 9 -7.3 -5.0 41 63 19202 75 10 -9.7 -2.6 | 130 5 -4.0 3.3 42 59 19507 65 10 -9.1 -4.2 | 117 4 -3.4 1.7 43 56 19812 80 12 -11.8 -2.1 | 122 7 -6.1 3.8 Wind Parameters Mean winds (0-6000m): 13.9 at 10.9 knts Storm direction: 43.9 at 8.2 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 142.4 deg Storm rel helicity (0-3000m) pos: 4.9 neg: -32.1 tot: -27.1 m^2/s^2 ave: -9.0 10^-3 m/s^2 rel: -0.57 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -3.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 44.71 Bulk Shear: 25.34 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 81 14 116 9| 0.0 6.3 6.3| 0.0 -13.2 -13.2 -26.5 -0.94| 6.5 -6.1 1000 76 15 105 9| 0.0 3.9 3.9| 3.1 -19.3 -16.2 -16.2 -0.69| 5.3 -3.7 1500 74 15 101 9| 0.0 2.5 2.5| 3.1 -22.9 -19.8 -13.2 -0.66| 4.5 -3.0 2000 72 15 99 8| 0.0 1.4 1.4| 4.5 -22.9 -18.4 -9.2 -0.44| 4.4 -2.0 2500 67 14 95 7| 0.0 2.6 2.6| 4.9 -28.1 -23.2 -9.3 -0.54| 5.7 -3.0 3000 61 13 86 6| 0.0 2.2 2.2| 4.9 -32.1 -27.1 -9.0 -0.57| 5.2 -3.0 4000 46 12 52 4| 0.0 2.4 2.4| 5.0 -46.1 -41.1 -10.3 -0.54| 5.2 -2.8 5000 30 11 360 4| 0.1 2.0 2.1| 12.9 -61.5 -48.7 -9.7 -0.50| 4.8 -2.4 6000 14 11 327 6| 0.1 1.3 1.4| 18.3 -82.4 -64.1 -10.7 -0.50| 4.8 -2.4 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251020.12.gif