UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122523.upa.cvt Date: 2300Z 25 DEC 25 Searching for YSNF... Searching the city database file for: YSNF ... Date:2300Z 25 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 75 310 9 SFC 996 109 25.4 22.5 84 2.9 23.3 310 9 298.9 302.1 296.6 349.9 17.48 2 984 216 23.0 21.5 91 1.5 21.9 310 13 297.5 300.5 295.7 345.7 16.63 3 954 486 21.0 19.7 92 1.3 20.1 310 25 298.1 300.9 295.0 342.6 15.32 4 947 550 21.2 14.2 64 7.0 16.7 310 27 299.0 300.9 291.9 330.5 10.81 5 925 754 19.8 15.2 75 4.6 16.8 305 28 299.6 301.7 292.8 334.1 11.82 6 918 820 19.4 16.4 83 3.0 17.4 303 28 299.8 302.1 293.7 337.5 12.88 7 912 876 19.6 11.6 60 8.0 14.6 301 29 300.6 302.3 291.3 328.4 9.45 8 876 1223 18.0 12.0 68 6.0 14.1 300 28 302.4 304.2 292.3 332.3 10.11 9 850 1481 15.8 14.5 92 1.3 15.0 300 28 302.7 305.0 294.1 339.1 12.31 10 770 2315 10.4 9.6 95 0.8 9.9 303 22 305.6 307.4 293.0 335.0 9.80 11 733 2724 7.8 7.8 100 0.0 7.8 309 26 307.1 308.8 292.9 334.6 9.10 12 700 3104 5.6 3.7 88 1.9 4.5 315 29 308.7 310.0 291.9 330.6 7.15 13 671 3449 3.8 3.1 95 0.7 3.4 315 31 310.4 311.8 292.4 332.5 7.15 14 665 3522 4.0 -0.6 72 4.6 1.6 315 31 311.4 312.5 291.3 328.7 5.51 15 661 3571 4.4 -12.6 28 17.0 -2.4 315 32 312.4 312.9 288.6 319.6 2.19 16 659 3595 4.0 -4.0 56 8.0 0.1 315 32 312.3 313.1 290.5 325.9 4.32 17 652 3682 4.2 -11.8 30 16.0 -2.4 315 32 313.4 313.9 289.1 321.2 2.37 18 646 3757 3.6 -8.4 41 12.0 -1.7 315 33 313.6 314.2 289.9 323.7 3.14 19 639 3846 3.6 -23.4 12 27.0 -4.9 315 34 314.6 314.7 288.0 317.7 0.91 20 635 3897 3.2 -12.8 30 16.0 -3.2 315 34 314.7 315.1 289.4 322.0 2.25 21 619 4103 2.0 -29.0 8 31.0 -6.5 315 36 315.6 315.7 287.9 317.6 0.56 22 608 4248 1.4 -21.6 16 23.0 -6.1 315 37 316.5 316.8 288.8 320.4 1.12 23 532 5307 -6.7 -16.7 45 10.0 -10.2 308 38 319.2 319.5 290.5 325.7 1.95 24 519 5499 -8.1 -12.4 71 4.3 -9.8 307 39 319.7 320.3 291.5 329.1 2.84 25 513 5590 -7.1 -7.6 96 0.5 -7.3 306 39 322.0 322.8 293.3 335.8 4.21 26 500 5790 -7.7 -8.4 95 0.7 -8.0 305 39 323.7 324.5 293.6 337.1 4.06 27 400 7500 -17.3 -19.3 84 2.0 -18.0 305 46 332.5 332.9 294.3 339.8 2.08 28 384 7806 -18.5 -22.6 70 4.1 -19.7 305 46 334.8 335.2 294.5 340.6 1.62 29 323 9074 -28.5 -28.5 100 0.0 -28.5 305 61 338.0 338.2 294.8 342.2 1.13 30 300 9600 -32.1 -33.1 91 1.0 -32.3 305 60 340.1 340.3 295.1 343.1 0.78 31 276 10179 -36.5 -42.5 54 6.0 -37.1 297 59 342.0 342.1 295.1 343.3 0.33 32 271 10304 -37.9 -41.5 69 3.6 -38.3 294 60 341.7 341.8 295.1 343.2 0.37 33 269 10354 -38.1 -45.1 48 7.0 -38.7 293 61 342.2 342.2 295.1 343.2 0.25 34 254 10743 -41.7 -46.1 62 4.4 -42.1 283 65 342.5 342.6 295.1 343.5 0.24 35 253 10770 -42.1 -49.1 46 7.0 -42.6 282 65 342.3 342.3 295.0 343.0 0.17 36 250 10850 -42.7 -48.7 52 6.0 -43.1 280 66 342.6 342.6 295.1 343.3 0.18 37 209 12037 -53.7 -55.9 77 2.2 -53.8 276 77 343.4 343.4 295.2 343.8 0.09 38 202 12256 -55.7 -59.9 59 4.2 -55.8 275 83 343.6 343.6 295.3 343.8 0.06 39 200 12320 -56.1 -59.5 65 3.4 -56.2 275 89 343.9 343.9 295.3 344.2 0.06 40 195 12480 -57.7 -60.2 73 2.5 -57.8 273 93 343.9 343.9 295.3 344.1 0.06 41 193 12545 -57.9 -63.9 46 6.0 -58.0 272 94 344.6 344.6 295.4 344.7 0.04 42 188 12709 -59.3 -62.9 63 3.6 -59.4 269 98 344.9 344.9 295.6 345.1 0.04 43 171 13296 -63.4 -68.6 49 5.2 -63.5 260 113 347.6 347.6 296.1 347.7 0.02 44 163 13588 -65.5 -71.5 43 6.0 -65.5 260 108 348.9 348.9 296.4 348.9 0.02 45 150 14090 -67.3 -80.3 14 13.0 -67.4 260 95 354.2 354.2 297.5 354.2 0.00 46 143 14378 -66.7 -81.7 10 15.0 -66.8 260 92 360.1 360.1 298.7 360.1 0.00 47 107 16095 -74.1 -86.1 14 12.0 -74.2 285 61 377.2 377.2 301.8 377.2 0.00 48 100 16490 -73.1 -87.1 10 14.0 -73.2 290 58 386.5 386.5 303.3 386.5 0.00 49 86 17374 -74.3 -88.3 10 14.0 -74.3 303 45 401.1 401.1 305.3 401.1 0.00 50 70 18590 -69.9 -88.9 5 19.0 -70.0 320 18 434.8 434.8 309.3 434.9 0.00 51 65 19034 -68.3 -89.3 3 21.0 -68.5 303 15 447.7 447.7 310.6 447.7 0.00 52 64 19127 -68.5 -89.5 3 21.0 -68.7 300 14 449.2 449.2 310.8 449.2 0.00 53 56 19941 -62.3 -88.3 2 26.0 -62.7 270 8 480.8 480.8 313.5 480.8 0.00 54 51 20518 -63.7 -88.7 2 25.0 -64.1 249 4 490.6 490.6 314.2 490.6 0.00 55 50 20640 -62.9 -88.9 2 26.0 -63.3 245 3 495.3 495.3 314.6 495.3 0.00 56 35 22847 -60.9 -87.9 2 27.0 -61.6 336 9 553.7 553.7 318.3 553.7 0.00 57 30 23820 -54.7 -85.7 1 31.0 -56.3 15 11 595.5 595.5 320.4 595.6 0.01 58 29 24037 -54.3 -85.3 1 31.0 -56.1 27 10 602.4 602.4 320.7 602.5 0.01 59 26 24736 -55.7 -85.7 1 30.0 -57.3 66 8 617.6 617.6 321.4 617.6 0.01 60 20 26430 -50.3 -84.3 1 34.0 -53.7 160 3 682.2 682.2 323.9 682.3 0.02 61 14 28790 -45.5 -82.5 1 37.0 -51.7 129 22 771.7 771.8 326.5 772.0 0.03 62 13 29283 -46.9 -82.9 1 36.0 -52.8 123 25 783.4 783.4 326.8 783.7 0.03 63 10 31060 -37.9 -79.9 0 42.0 -49.4 100 39 878.1 878.1 329.0 878.8 0.07 64 9.6 31342 -37.3 -79.3 0 42.0 -49.3 890.6 890.7 329.2 891.5 0.08 TRP 107 16095 -74.1 -86.1 14 12.0 -74.2 285 61 377.2 377.2 301.8 377.2 0.00 WND 171 13296 -63.4 -68.6 49 5.2 -63.5 260 113 347.6 347.6 296.1 347.7 0.02 Sounding variables and indices 1000-500 mb thick: 5715.00 m Freezing level: 594.86 mb = 4430.67 m = 14536.14 ft Wetbulb zero: 663.42 mb = 3541.15 m = 11617.82 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 67.31 % Est. max temperature: 29.34 C = 84.81 F Sfc-Lift cond lev (LCL): 955.19 mb = 474.95 m = 1558.21 ft T: 21.08 C 700-500 lapse rate: 4.95 C/km ThetaE index: 19.35 C Layer 984.0- 925.0 mb Conv cond level (CCL): 846.09 mb = 1519.86 m = 4986.35 ft Mean mixing ratio: 13.23 g/kg Conv temperature: 29.33 C = 84.80 F Cap Strength: 2.37 C Lifted Index: 0.07 C Risk: Showers probable Lifted Index @300 mb: 3.39 C Lifted Index @700 mb: -1.33 C Showalter Index: -0.57 C Risk: Thunderstorms probable Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.20 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 269.00 Risk: None Energy Index: -0.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 109.89 J/kg Max Up Vert Vel: 14.83 m/s Conv Inhibition (B-): 59.49 J/kg Cap Strength: 2.37 C Lift Cond Lev (LCL): 893.57 mb = 1052.14 m = 3451.86 ft Lev Free Conv (LFC): 778.57 mb = 2221.48 m = 7288.24 ft Equ Level (EL): 648.57 mb = 3725.16 m = 12221.50 ft B at Equ Level: 60.44 J/kg Max Parcel Lev (MPL): 368.57 mb = 8106.45 m = 26595.64 ft Wind level data Storm motion: 338 at 23 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 ---------------------------------------------------------- 0 996 109 310 9 6.9 -5.8 | 174 16 -1.7 15.6 1 940 610 310 30 23.0 -19.3 | 262 15 14.4 2.1 2 925 754 305 28 22.9 -16.1 | 249 15 14.3 5.4 3 908 914 300 29 25.1 -14.5 | 247 18 16.5 6.9 4 850 1481 300 28 24.2 -14.0 | 245 17 15.6 7.4 5 846 1524 295 28 25.4 -11.8 | 240 19 16.8 9.6 6 786 2134 300 21 18.2 -10.5 | 221 15 9.6 10.9 7 700 3104 315 29 20.5 -20.5 | 266 12 11.9 0.9 8 679 3353 315 30 21.2 -21.2 | 269 13 12.6 0.2 9 605 4267 315 37 26.2 -26.2 | 285 18 17.6 -4.7 10 500 5790 305 39 31.9 -22.4 | 272 23 23.3 -0.9 11 480 6096 300 40 34.6 -20.0 | 267 26 26.0 1.4 12 410 7315 305 50 41.0 -28.7 | 283 33 32.4 -7.3 13 400 7500 305 46 37.7 -26.4 | 280 30 29.1 -5.0 14 393 7620 305 44 36.0 -25.2 | 278 28 27.4 -3.8 15 319 9144 305 62 50.8 -35.6 | 289 44 42.2 -14.1 16 300 9600 305 60 49.1 -34.4 | 288 43 40.6 -13.0 17 281 10058 300 58 50.2 -29.0 | 280 42 41.6 -7.6 18 250 10850 280 66 65.0 -11.5 | 260 57 56.4 10.0 19 204 12192 275 78 77.7 -6.8 | 258 71 69.1 14.6 20 200 12320 275 89 88.7 -7.8 | 260 81 80.1 13.7 21 171 13296 260 113 111.3 19.6 | 248 111 102.7 41.0 22 168 13411 260 113 111.3 19.6 | 248 111 102.7 41.0 23 150 14090 260 95 93.6 16.5 | 246 93 85.0 37.9 24 144 14326 260 95 93.6 16.5 | 246 93 85.0 37.9 25 130 14935 265 63 62.8 5.5 | 244 60 54.2 26.9 26 124 15240 285 51 49.3 -13.2 | 259 41 40.7 8.2 27 117 15545 300 61 52.8 -30.5 | 282 45 44.2 -9.1 28 112 15850 295 72 65.3 -30.4 | 279 57 56.7 -9.0 29 107 16095 285 61 58.9 -15.8 | 264 51 50.3 5.6 30 100 16490 290 58 54.5 -19.8 | 268 46 45.9 1.6 31 95 16764 295 58 52.6 -24.5 | 274 44 44.0 -3.1 32 70 18590 320 18 11.6 -13.8 | 201 8 3.0 7.6 33 50 20640 245 3 2.7 1.3 | 165 23 -5.9 22.7 34 30 23820 15 11 -2.8 -10.6 | 133 16 -11.4 10.8 35 20 26430 160 3 -1.0 2.8 | 158 26 -9.6 24.2 36 10 31060 100 39 -38.4 6.8 | 121 55 -47.0 28.2 Wind Parameters Mean winds (0-6000m): 308.1 at 30.8 knts Storm direction: 338.1 at 23.1 knts Shear (0-3000m) pos: 1.6 neg: 3.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 91.9 deg Storm rel helicity (0-3000m) pos: 93.5 neg: -48.4 tot: 45.1 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 6.48 Bulk Shear: 16.95 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 ------------------------------------------------------------------------------- 500 310 19 215 11| 0.0 21.6 21.6| 60.4 0.0 60.4 120.8 0.89| 21.7 19.4 1000 306 24 236 13| 0.0 10.2 10.2| 60.4 -16.6 43.8 43.8 0.55| 13.9 7.6 1500 303 25 240 15| 0.0 6.3 6.3| 60.4 -28.8 31.6 21.1 0.40| 10.4 4.2 2000 302 25 237 15| 1.5 4.7 6.3| 60.4 -48.4 12.0 6.0 0.21| 9.3 2.0 2500 302 25 236 15| 1.2 3.8 5.0| 76.1 -48.4 27.6 11.0 0.29| 8.4 2.5 3000 304 25 239 14| 1.6 3.2 4.8| 93.5 -48.4 45.1 15.0 0.37| 8.0 3.0 4000 307 27 248 14| 1.2 3.2 4.4|109.8 -48.4 61.3 15.3 0.41| 6.8 2.8 5000 309 29 257 14| 1.0 2.9 3.9|112.1 -61.0 51.1 10.2 0.34| 6.0 2.0 6000 308 31 261 16| 0.8 2.8 3.6|112.1 -87.9 24.2 4.0 0.24| 5.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//YSNF/skewt/YSNF.skewt.20251225.23.gif