UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120123.upa.cvt Date: 2300Z 1 DEC 25 Searching for YSNF... Searching the city database file for: YSNF ... Date:2300Z 1 DEC 25 Station: YSNF WMO ident: 94996 Latitude: -29.03 Longitude: 167.93 Elevation: 109.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 54 320 13 SFC 993 109 24.4 22.8 91 1.6 23.3 320 13 298.1 301.4 296.7 350.1 17.87 2 970 316 21.8 21.8 100 0.0 21.8 314 16 297.5 300.6 296.0 347.4 17.19 3 925 734 20.4 16.8 80 3.6 17.9 305 20 300.2 302.6 294.0 338.6 13.12 4 893 1038 19.6 13.6 68 6.0 15.7 308 20 302.4 304.4 293.0 335.0 11.03 5 850 1462 16.6 13.7 83 2.9 14.7 320 21 303.5 305.7 293.9 338.2 11.67 6 791 2072 13.6 2.6 47 11.0 7.5 320 21 306.6 307.7 290.1 324.5 5.84 7 767 2330 11.2 4.2 62 7.0 7.2 326 18 306.8 308.0 290.9 327.3 6.75 8 754 2473 10.4 -2.6 40 13.0 3.9 328 17 307.4 308.2 288.9 320.4 4.19 9 704 3040 5.8 -2.2 56 8.0 1.8 310 15 308.4 309.3 289.6 322.8 4.62 10 700 3087 5.6 -6.4 42 12.0 0.1 310 15 308.7 309.3 288.5 319.3 3.38 11 680 3323 4.2 -10.8 33 15.0 -2.0 319 15 309.7 310.2 287.9 317.6 2.47 12 617 4109 0.2 0.2 100 0.0 0.2 303 45 313.8 315.0 292.7 333.6 6.31 13 577 4643 -2.9 -3.8 93 0.9 -3.3 300 47 316.3 317.2 292.3 332.3 5.01 14 573 4698 -3.1 -5.4 84 2.3 -4.2 300 47 316.7 317.5 292.0 331.0 4.47 15 565 4810 -2.3 -14.3 39 12.0 -6.9 300 47 318.9 319.3 290.7 326.3 2.24 16 551 5008 -3.9 -13.9 46 10.0 -7.7 301 49 319.3 319.8 290.9 327.2 2.37 17 537 5212 -4.3 -32.3 9 28.0 -11.1 302 52 321.2 321.3 289.6 322.9 0.47 18 521 5449 -6.1 -18.1 38 12.0 -10.2 303 56 321.8 322.1 291.1 327.8 1.76 19 515 5540 -6.9 -9.6 81 2.7 -8.1 304 58 321.9 322.6 292.7 333.7 3.59 20 511 5601 -7.3 -9.0 88 1.7 -8.1 304 59 322.1 322.9 293.0 334.6 3.79 21 500 5770 -8.3 -10.7 83 2.4 -9.3 305 62 322.9 323.6 292.9 334.2 3.38 22 485 6006 -9.5 -9.8 98 0.3 -9.6 305 63 324.3 325.0 293.5 336.7 3.75 23 418 7147 -14.3 -14.9 95 0.6 -14.5 305 67 332.2 332.8 294.8 342.2 2.88 24 400 7480 -16.9 -18.1 90 1.2 -17.3 305 68 333.0 333.5 294.6 341.1 2.30 25 382 7824 -19.5 -20.2 94 0.7 -19.7 303 73 334.0 334.4 294.6 341.1 2.01 26 371 8041 -20.7 -25.7 64 5.0 -22.0 302 76 335.2 335.5 294.3 339.8 1.27 27 348 8513 -23.7 -29.7 58 6.0 -25.0 300 82 337.4 337.6 294.5 340.8 0.94 28 300 9580 -32.3 -33.7 87 1.4 -32.5 300 76 339.9 340.0 295.0 342.7 0.74 29 297 9650 -33.1 -33.7 94 0.6 -33.2 300 76 339.7 339.9 294.9 342.5 0.75 30 293 9745 -33.9 -35.4 86 1.5 -34.1 300 76 339.9 340.0 294.9 342.3 0.64 31 288 9865 -34.3 -38.6 65 4.3 -34.8 300 78 341.0 341.1 295.0 342.8 0.47 32 276 10161 -35.5 -36.9 87 1.4 -35.7 298 85 343.4 343.6 295.7 345.7 0.59 33 272 10262 -36.3 -40.3 66 4.0 -36.8 298 87 343.7 343.8 295.6 345.4 0.42 34 255 10705 -39.5 -43.8 64 4.3 -39.9 296 96 345.4 345.4 295.9 346.6 0.31 35 252 10786 -40.3 -42.8 77 2.5 -40.5 295 98 345.4 345.4 295.9 346.8 0.35 36 250 10840 -40.7 -44.4 67 3.7 -41.0 295 99 345.6 345.6 295.9 346.7 0.29 37 247 10922 -41.3 -46.1 60 4.8 -41.7 295 99 345.8 345.9 295.9 346.8 0.25 38 238 11172 -43.3 -51.3 41 8.0 -43.8 294 99 346.5 346.6 296.0 347.1 0.14 39 234 11286 -44.3 -49.3 57 5.0 -44.6 293 98 346.7 346.7 296.1 347.5 0.18 40 229 11430 -45.1 -59.1 19 14.0 -45.7 292 98 347.6 347.6 296.1 347.9 0.06 41 209 12034 -49.5 -61.5 23 12.0 -49.9 287 97 350.0 350.0 296.7 350.2 0.05 42 204 12192 -50.9 -56.9 49 6.0 -51.1 286 96 350.2 350.2 296.7 350.5 0.09 43 200 12320 -51.9 -59.9 38 8.0 -52.1 285 96 350.6 350.6 296.8 350.8 0.06 44 195 12484 -53.1 -68.1 15 15.0 -53.4 284 95 351.2 351.2 296.9 351.3 0.02 45 164 13585 -60.1 -72.1 19 12.0 -60.3 281 84 357.3 357.3 298.2 357.4 0.01 46 150 14140 -62.5 -77.5 12 15.0 -62.6 295 79 362.4 362.4 299.2 362.4 0.01 47 147 14264 -63.1 -79.1 10 16.0 -63.2 297 79 363.5 363.5 299.4 363.5 0.01 48 100 16540 -78.7 -90.7 12 12.0 -78.7 300 64 375.7 375.7 301.5 375.7 0.00 49 98 16655 -79.1 -91.1 12 12.0 -79.1 300 64 377.1 377.1 301.8 377.1 0.00 50 89 17201 -79.9 -90.9 14 11.0 -79.9 311 57 386.0 386.0 303.2 386.0 0.00 51 86 17398 -73.1 -88.1 8 15.0 -73.2 316 53 403.5 403.5 305.7 403.5 0.00 52 84 17536 -72.1 -87.1 9 15.0 -72.2 319 51 408.3 408.3 306.3 408.3 0.00 53 72 18437 -75.1 -87.1 14 12.0 -75.2 341 37 420.3 420.3 307.7 420.3 0.00 54 70 18600 -75.1 -88.1 11 13.0 -75.2 345 34 423.7 423.7 308.2 423.7 0.00 55 67 18856 -74.1 -88.1 10 14.0 -74.2 355 31 431.2 431.2 309.0 431.2 0.00 56 61 19415 -66.5 -87.5 4 21.0 -66.7 16 24 459.9 459.9 311.8 459.9 0.00 57 50 20630 -63.9 -85.9 3 22.0 -64.3 60 10 492.9 492.9 314.4 492.9 0.00 58 47 21009 -63.1 -86.1 3 23.0 -63.5 62 10 503.6 503.6 315.2 503.6 0.01 59 30 23800 -57.9 -83.9 2 26.0 -59.0 80 12 586.8 586.8 320.0 586.9 0.01 60 20 26380 -53.9 -83.9 1 30.0 -56.3 90 9 671.2 671.2 323.4 671.3 0.02 61 17 27428 -52.1 -82.1 2 30.0 -55.4 708.9 708.9 324.7 709.1 0.03 TRP 98 16655 -79.1 -91.1 12 12.0 -79.1 300 64 377.1 377.1 301.8 377.1 0.00 WND 247 10922 -41.3 -46.1 60 4.8 -41.7 295 99 345.8 345.9 295.9 346.8 0.25 Sounding variables and indices 1000-500 mb thick: 5716.00 m Freezing level: 614.42 mb = 4143.22 m = 13593.07 ft Wetbulb zero: 698.70 mb = 3102.15 m = 10177.52 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 65.37 % Est. max temperature: 30.13 C = 86.24 F Sfc-Lift cond lev (LCL): 970.50 mb = 311.91 m = 1023.31 ft T: 21.86 C 700-500 lapse rate: 5.18 C/km ThetaE index: 15.08 C Layer 970.0- 850.0 mb Conv cond level (CCL): 861.25 mb = 1349.08 m = 4426.05 ft Mean mixing ratio: 14.66 g/kg Conv temperature: 29.47 C = 85.05 F Cap Strength: 2.00 C Lifted Index: -2.46 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.43 C Lifted Index @700 mb: -2.77 C Showalter Index: -0.76 C Risk: Thunderstorms probable Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.00 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 268.40 Risk: None Energy Index: -0.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 400.51 J/kg Max Up Vert Vel: 28.30 m/s Conv Inhibition (B-): 50.22 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 909.84 mb = 876.78 m = 2876.55 ft Lev Free Conv (LFC): 774.84 mb = 2244.95 m = 7365.24 ft Equ Level (EL): 414.84 mb = 7204.42 m = 23636.28 ft B at Equ Level: 394.73 J/kg Max Parcel Lev (MPL): 194.84 mb = 12489.14 m = 40974.37 ft Wind level data Storm motion: 337 at 24 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 ---------------------------------------------------------- 0 993 109 320 13 8.4 -10.0 | 175 12 -1.1 12.3 1 938 610 305 20 16.4 -11.5 | 213 13 6.9 10.8 2 925 734 305 20 16.4 -11.5 | 213 13 6.9 10.8 3 906 914 305 20 16.4 -11.5 | 213 13 6.9 10.8 4 850 1462 320 21 13.5 -16.1 | 213 7 4.0 6.2 5 814 1829 320 27 17.4 -20.7 | 259 8 7.9 1.6 6 784 2134 320 19 12.2 -14.6 | 200 8 2.8 7.7 7 756 2438 330 17 8.5 -14.7 | 173 8 -1.0 7.6 8 729 2743 310 16 12.3 -10.3 | 193 12 2.8 12.0 9 700 3087 310 15 11.5 -9.6 | 189 13 2.0 12.6 10 677 3353 320 15 9.6 -11.5 | 181 11 0.2 10.8 11 627 3962 305 45 36.9 -25.8 | 277 28 27.4 -3.5 12 604 4267 300 46 39.8 -23.0 | 271 30 30.4 -0.7 13 559 4877 300 47 40.7 -23.5 | 272 31 31.2 -1.2 14 500 5770 305 62 50.8 -35.6 | 288 43 41.3 -13.3 15 499 5791 305 62 50.8 -35.6 | 288 43 41.3 -13.3 16 400 7480 305 68 55.7 -39.0 | 290 49 46.2 -16.7 17 346 8534 300 83 71.9 -41.5 | 287 65 62.4 -19.2 18 300 9580 300 76 65.8 -38.0 | 286 59 56.4 -15.7 19 293 9754 300 76 65.8 -38.0 | 286 59 56.4 -15.7 20 250 10840 295 99 89.7 -41.8 | 284 83 80.3 -19.6 21 247 10922 295 99 89.7 -41.8 | 284 83 80.3 -19.6 22 245 10973 295 99 89.7 -41.8 | 284 83 80.3 -19.6 23 200 12320 285 96 92.7 -24.8 | 272 83 83.3 -2.6 24 160 13716 280 83 81.7 -14.4 | 264 73 72.3 7.9 25 150 14140 295 79 71.6 -33.4 | 280 63 62.1 -11.1 26 138 14630 305 79 64.7 -45.3 | 293 60 55.3 -23.0 27 112 15850 285 73 70.5 -18.9 | 267 61 61.1 3.4 28 100 16540 300 64 55.4 -32.0 | 282 47 46.0 -9.7 29 98 16655 300 64 55.4 -32.0 | 282 47 46.0 -9.7 30 96 16764 300 64 55.4 -32.0 | 282 47 46.0 -9.7 31 70 18600 345 34 8.8 -32.8 | 4 11 -0.7 -10.6 32 50 20630 60 10 -8.7 -5.0 | 134 25 -18.1 17.3 33 30 23800 80 12 -11.8 -2.1 | 134 29 -21.3 20.2 34 20 26380 90 9 -9.0 0.0 | 140 29 -18.5 22.3 Wind Parameters Mean winds (0-6000m): 307.0 at 32.3 knts Storm direction: 337.0 at 24.2 knts Shear (0-3000m) pos: 1.1 neg: 1.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 13.7 deg Storm rel helicity (0-3000m) pos: 42.7 neg: -23.7 tot: 19.0 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 0.8 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 12.03 Bulk Shear: 33.30 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 ------------------------------------------------------------------------------- 500 311 16 195 12| 0.0 8.4 8.4| 24.4 0.0 24.4 48.9 0.95| 8.5 8.0 1000 308 18 204 12| 1.0 4.2 5.2| 25.1 0.0 25.1 25.1 0.79| 5.2 4.1 1500 311 19 208 11| 2.3 2.8 5.1| 29.7 -0.1 29.6 19.7 0.65| 5.4 3.6 2000 314 21 213 10| 1.7 1.5 3.2| 35.9 -13.3 22.6 11.3 0.26| 6.7 1.7 2500 316 20 209 9| 1.4 1.1 2.5| 40.3 -21.0 19.2 7.7 0.14| 6.8 1.0 3000 315 19 205 10| 1.1 1.4 2.5| 42.7 -23.7 19.0 6.3 0.13| 6.3 0.8 4000 313 22 220 10| 2.2 2.9 5.1| 97.1 -35.4 61.7 15.4 0.29| 9.2 2.6 5000 308 27 244 13| 2.2 2.6 4.8|124.1 -47.5 76.6 15.3 0.28| 8.1 2.3 6000 307 32 260 17| 2.9 2.1 5.1|202.7 -47.5 155.2 25.9 0.33| 7.8 2.5 Wrote GIF file: /home/apache/climate/data/raob//YSNF/skewt/YSNF.skewt.20251201.23.gif