UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 19 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 1009 3 26.4 24.2 88 2.2 24.8 30 3 298.8 302.3 297.7 354.7 19.17 1 1000 84 26.2 23.4 85 2.8 24.2 65 6 299.4 302.7 297.3 353.2 18.41 2 968 371 24.4 21.7 85 2.7 22.5 59 12 300.3 303.5 296.7 350.6 17.12 3 927 749 21.0 20.2 95 0.8 20.5 35 18 300.6 303.6 296.3 348.4 16.28 4 925 768 21.0 19.8 93 1.2 20.2 35 18 300.8 303.7 296.1 347.5 15.91 5 920 815 21.0 19.0 88 2.0 19.6 37 18 301.2 304.0 295.7 346.0 15.20 6 897 1034 18.8 18.7 99 0.1 18.8 36 20 301.2 304.0 295.8 346.2 15.31 7 879 1209 18.4 15.9 85 2.5 16.7 30 23 302.5 304.9 294.6 341.1 13.04 8 867 1328 18.2 13.6 75 4.6 15.2 26 24 303.5 305.6 293.6 337.3 11.36 9 859 1407 17.8 12.9 73 4.9 14.6 23 26 303.9 305.9 293.4 336.5 10.95 10 855 1448 17.8 14.1 79 3.7 15.4 22 26 304.3 306.5 294.3 339.8 11.91 11 850 1498 17.2 13.9 81 3.3 15.0 20 27 304.2 306.4 294.1 339.4 11.83 12 843 1569 16.6 14.3 86 2.3 15.1 20 27 304.3 306.5 294.5 340.7 12.25 13 824 1763 15.4 10.9 75 4.5 12.6 20 28 305.0 306.8 293.0 334.9 9.99 14 806 1951 14.2 11.2 82 3.0 12.3 22 25 305.6 307.6 293.6 336.9 10.42 15 790 2120 13.4 12.8 96 0.6 13.0 25 21 306.5 308.7 294.8 342.2 11.85 16 746 2603 11.8 10.4 91 1.4 10.9 35 20 309.9 311.9 294.9 342.5 10.68 17 722 2877 10.8 7.8 82 3.0 8.9 41 19 311.7 313.4 294.4 340.1 9.24 18 712 2993 9.8 8.2 90 1.6 8.8 44 19 311.8 313.6 294.7 341.5 9.63 19 700 3135 9.4 7.4 87 2.0 8.2 45 18 312.9 314.7 294.7 341.6 9.27 20 690 3254 8.8 6.6 86 2.2 7.5 26 14 313.5 315.2 294.6 341.2 8.90 21 682 3351 8.0 6.5 90 1.5 7.1 11 10 313.7 315.4 294.7 341.5 8.94 22 675 3436 7.4 4.9 84 2.5 5.9 9 10 313.9 315.5 294.1 339.1 8.08 23 656 3671 5.8 4.8 93 1.0 5.2 5 8 314.7 316.3 294.4 340.5 8.25 24 654 3696 5.6 4.2 91 1.4 4.8 7 8 314.7 316.3 294.2 339.6 7.94 25 638 3898 4.2 3.3 94 0.9 3.7 20 12 315.4 316.9 294.1 339.4 7.63 26 600 4396 1.0 1.0 100 0.0 1.0 20 10 317.3 318.6 294.1 339.1 6.88 27 598 4423 1.0 1.0 100 0.0 1.0 22 10 317.6 318.9 294.2 339.5 6.90 28 585 4600 0.2 0.0 99 0.2 0.1 30 11 318.6 319.9 294.2 339.6 6.56 29 582 4641 0.6 0.0 96 0.6 0.3 30 11 319.6 320.9 294.5 340.7 6.59 30 549 5109 -1.1 -1.8 95 0.7 -1.5 30 14 322.9 324.2 295.0 342.9 6.12 31 529 5405 -3.1 -3.1 100 0.0 -3.1 58 19 324.0 325.1 295.0 342.8 5.76 32 514 5632 -4.5 -4.7 99 0.2 -4.6 77 16 325.0 326.0 294.8 342.3 5.26 33 500 5850 -5.3 -5.9 96 0.6 -5.6 60 15 326.6 327.6 295.0 343.0 4.93 34 415 7299 -12.7 -14.5 86 1.8 -13.4 318 13 334.9 335.5 295.6 345.4 3.00 35 400 7580 -14.5 -16.2 87 1.7 -15.2 325 14 336.1 336.7 295.7 345.6 2.70 36 327 9078 -24.1 -26.2 83 2.1 -24.6 268 11 342.9 343.2 296.2 348.0 1.38 37 300 9700 -29.1 -31.8 77 2.7 -29.6 275 13 344.4 344.6 296.1 347.8 0.89 38 272 10390 -34.7 -37.5 76 2.8 -35.1 288 15 346.0 346.1 296.3 348.2 0.56 39 258 10755 -37.9 -39.8 82 1.9 -38.1 266 12 346.6 346.7 296.3 348.4 0.47 40 250 10970 -39.9 -42.6 75 2.7 -40.2 270 11 346.7 346.8 296.3 348.2 0.36 41 243 11163 -41.5 -44.8 70 3.3 -41.8 270 10 347.2 347.2 296.3 348.4 0.29 42 234 11418 -43.9 -46.1 79 2.2 -44.0 268 10 347.3 347.4 296.3 348.4 0.26 43 229 11563 -45.1 -48.2 71 3.1 -45.3 265 9 347.6 347.7 296.3 348.5 0.21 44 218 11889 -48.3 -50.0 82 1.7 -48.4 260 9 347.6 347.7 296.3 348.4 0.18 45 213 12041 -49.7 -52.6 71 2.9 -49.8 258 8 347.7 347.8 296.3 348.3 0.14 46 209 12165 -50.7 -52.6 80 1.9 -50.8 256 8 348.1 348.1 296.3 348.7 0.14 47 207 12228 -51.3 -55.2 63 3.9 -51.4 254 9 348.1 348.1 296.3 348.5 0.10 48 200 12450 -53.3 -55.6 76 2.3 -53.4 250 16 348.4 348.4 296.4 348.8 0.10 49 197 12547 -54.3 -56.2 79 1.9 -54.4 246 11 348.3 348.3 296.3 348.7 0.10 50 196 12580 -54.7 -56.4 81 1.7 -54.8 247 11 348.2 348.2 296.3 348.6 0.09 51 189 12811 -56.7 -58.5 80 1.8 -56.8 251 13 348.6 348.6 296.4 348.9 0.08 52 183 13014 -58.5 -62.2 62 3.7 -58.6 255 16 348.9 348.9 296.4 349.1 0.05 53 181 13083 -59.3 -63.0 62 3.7 -59.4 257 16 348.7 348.7 296.4 348.9 0.04 54 180 13118 -59.5 -63.2 62 3.7 -59.6 257 17 348.9 348.9 296.4 349.1 0.04 55 150 14230 -69.9 -74.1 54 4.2 -69.9 280 29 349.7 349.7 296.5 349.7 0.01 56 141 14597 -73.1 -77.9 48 4.8 -73.1 283 33 350.3 350.3 296.7 350.3 0.01 57 128 15158 -78.1 -82.0 53 3.9 -78.1 278 42 351.1 351.1 296.9 351.2 0.00 58 122 15432 -79.3 -82.9 55 3.6 -79.3 268 49 353.8 353.8 297.4 353.8 0.00 59 114 15817 -80.1 -84.6 47 4.5 -80.1 255 59 359.2 359.2 298.5 359.3 0.00 60 112 15918 -79.4 -84.6 42 5.2 -79.4 255 60 362.4 362.4 299.2 362.4 0.00 61 100 16570 -74.9 -84.9 20 10.0 -74.9 230 27 383.0 383.0 302.7 383.0 0.00 62 91 17117 -76.3 -85.3 23 9.0 -76.3 228 10 390.7 390.7 303.9 390.7 0.00 63 87 17378 -75.5 -85.5 19 10.0 -75.5 271 11 397.4 397.4 304.9 397.4 0.00 64 84 17581 -76.9 -85.9 22 9.0 -76.9 304 12 398.5 398.5 305.0 398.5 0.00 65 79 17935 -76.5 -86.5 19 10.0 -76.5 324 19 406.4 406.4 306.0 406.4 0.00 66 76 18160 -73.9 -86.9 12 13.0 -74.0 310 14 416.4 416.4 307.3 416.4 0.00 67 70 18640 -74.5 -87.5 12 13.0 -74.6 180 3 425.0 425.0 308.3 425.0 0.00 68 69 18724 -74.3 -87.3 12 13.0 -74.3 176 3 427.2 427.2 308.5 427.2 0.00 TRP 114 15817 -80.1 -84.6 47 4.5 -80.1 255 59 359.2 359.2 298.5 359.3 0.00 WND 112 15918 -79.4 -84.6 42 5.2 -79.4 255 60 362.4 362.4 299.2 362.4 0.00 Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 570.35 mb = 4806.37 m = 15768.75 ft Wetbulb zero: 577.15 mb = 4708.30 m = 15446.99 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 90.97 % Est. max temperature: 31.51 C = 88.71 F Sfc-Lift cond lev (LCL): 977.71 mb = 282.87 m = 928.03 ft T: 24.95 C 700-500 lapse rate: 5.41 C/km ThetaE index: 9.69 C Layer 879.0- 855.0 mb Conv cond level (CCL): 916.86 mb = 844.81 m = 2771.64 ft Mean mixing ratio: 16.97 g/kg Conv temperature: 28.86 C = 83.95 F Cap Strength: 0.41 C Lifted Index: -2.39 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.76 C Lifted Index @700 mb: -1.23 C Showalter Index: 1.71 C Risk: Showers probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.20 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 235.80 Risk: None Energy Index: 0.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 667.97 J/kg Max Up Vert Vel: 36.55 m/s Conv Inhibition (B-): 3.67 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 930.12 mb = 719.87 m = 2361.74 ft Lev Free Conv (LFC): 905.12 mb = 956.44 m = 3137.88 ft Equ Level (EL): 145.12 mb = 14426.00 m = 47328.83 ft B at Equ Level: 667.95 J/kg Max Parcel Lev (MPL): 95.12 mb = 16860.42 m = 55315.68 ft Wind level data Storm motion: 64 at 12 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 1009 3 30 3 -1.5 -2.6 | 253 10 9.5 2.8 1 1000 84 65 6 -5.4 -2.5 | 242 6 5.5 2.9 2 975 305 65 11 -10.0 -4.6 | 232 1 1.0 0.8 3 942 610 35 18 -10.3 -14.7 | 356 9 0.6 -9.3 4 925 768 35 18 -10.3 -14.7 | 356 9 0.6 -9.3 5 909 914 40 18 -11.6 -13.8 | 4 8 -0.6 -8.3 6 850 1498 20 27 -9.2 -25.4 | 355 20 1.7 -19.9 7 817 1829 20 28 -9.6 -26.3 | 356 21 1.4 -20.9 8 788 2134 25 21 -8.9 -19.0 | 351 14 2.1 -13.6 9 707 3048 45 19 -13.4 -13.4 | 17 8 -2.5 -8.0 10 700 3135 45 18 -12.7 -12.7 | 14 7 -1.8 -7.3 11 681 3353 10 10 -1.7 -9.8 | 295 10 9.2 -4.4 12 656 3658 5 8 -0.7 -8.0 | 284 11 10.3 -2.5 13 632 3962 25 13 -5.5 -11.8 | 319 8 5.5 -6.3 14 608 4267 15 10 -2.6 -9.7 | 297 9 8.4 -4.2 15 586 4572 30 11 -5.5 -9.5 | 307 7 5.5 -4.1 16 543 5182 30 15 -7.5 -13.0 | 335 8 3.5 -7.5 17 523 5486 70 20 -18.8 -6.8 | 80 8 -7.8 -1.4 18 504 5791 85 12 -12.0 -1.0 | 167 5 -1.0 4.4 19 500 5850 60 15 -13.0 -7.5 | 44 3 -2.0 -2.1 20 484 6096 25 10 -4.2 -9.1 | 298 8 6.7 -3.6 21 448 6706 15 18 -4.7 -17.4 | 332 14 6.3 -11.9 22 430 7010 5 13 -1.1 -13.0 | 307 12 9.8 -7.5 23 414 7315 315 13 9.2 -9.2 | 281 21 20.2 -3.7 24 400 7580 325 14 8.0 -11.5 | 288 20 19.0 -6.0 25 382 7925 325 13 7.5 -10.6 | 286 19 18.4 -5.2 26 351 8534 290 14 13.2 -4.8 | 268 24 24.1 0.7 27 324 9144 265 10 10.0 0.9 | 253 22 20.9 6.3 28 300 9700 275 13 13.0 -1.1 | 260 24 23.9 4.3 29 273 10363 290 15 14.1 -5.1 | 269 25 25.1 0.3 30 261 10668 265 12 12.0 1.0 | 254 24 22.9 6.5 31 250 10970 270 11 11.0 -0.0 | 256 23 22.0 5.4 32 239 11278 270 10 10.0 -0.0 | 255 22 21.0 5.4 33 208 12192 255 8 7.7 2.1 | 248 20 18.7 7.5 34 200 12450 250 16 15.0 5.5 | 247 28 26.0 10.9 35 198 12497 245 10 9.1 4.2 | 244 22 20.0 9.7 36 150 14230 280 29 28.6 -5.0 | 269 40 39.5 0.4 37 133 14935 285 37 35.7 -9.6 | 275 47 46.7 -4.1 38 114 15817 255 59 57.0 15.3 | 253 71 68.0 20.7 39 112 15918 255 60 58.0 15.5 | 253 72 68.9 21.0 40 107 16154 255 60 58.0 15.5 | 253 72 68.9 21.0 41 100 16570 230 27 20.7 17.4 | 234 39 31.7 22.8 42 97 16764 230 27 20.7 17.4 | 234 39 31.7 22.8 43 92 17069 220 10 6.4 7.7 | 233 22 17.4 13.1 44 83 17678 320 12 7.7 -9.2 | 281 19 18.7 -3.7 45 78 17983 325 20 11.5 -16.4 | 296 25 22.4 -10.9 46 74 18288 300 10 8.7 -5.0 | 269 20 19.6 0.4 47 70 18640 180 3 0.0 3.0 | 232 14 11.0 8.4 48 67 18898 165 2 -0.5 1.9 | 235 13 10.5 7.4 Wind Parameters Mean winds (0-6000m): 33.6 at 16.3 knts Storm direction: 63.6 at 12.3 knts Shear (0-3000m) pos: 2.4 neg: 2.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 122.2 deg Storm rel helicity (0-3000m) pos: 18.5 neg: -19.9 tot: -1.4 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 0.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 70.38 Bulk Shear: 9.49 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 58 10 264 3| 13.1 0.0 13.1| 0.8 -3.3 -2.6 -5.1 0.12| 16.6 2.0 1000 44 14 343 5| 6.5 2.4 8.9| 3.6 -4.6 -1.0 -1.0 0.11| 11.9 1.3 1500 36 17 353 8| 4.4 5.0 9.4| 3.6 -14.7 -11.1 -7.4 0.00| 11.4 0.0 2000 30 20 354 11| 2.8 3.8 6.6| 5.6 -17.5 -11.8 -5.9 -0.00| 9.9 -0.0 2500 30 20 354 12| 2.3 3.0 5.3| 11.5 -19.9 -8.4 -3.4 0.02| 9.1 0.2 3000 31 20 356 12| 2.4 2.5 4.9| 18.5 -19.9 -1.4 -0.5 0.08| 8.3 0.6 4000 30 18 348 10| 2.3 2.2 4.4| 30.8 -49.8 -19.0 -4.7 -0.07| 8.8 -0.6 5000 29 16 342 9| 2.0 1.7 3.7| 38.6 -56.3 -17.8 -3.6 -0.05| 7.9 -0.4 6000 34 16 347 8| 2.7 2.4 5.1| 71.9 -60.5 11.4 1.9 0.04| 9.6 0.4 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251019.12.gif