UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for YSNF... Searching the city database file for: YSNF ... Date:2300Z 18 APR 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 67 270 14 SFC 995 109 23.4 18.7 75 4.7 20.2 270 14 297.0 299.5 293.5 336.7 13.76 2 980 242 20.4 17.5 83 2.9 18.5 271 16 295.3 297.6 292.4 332.4 12.94 3 932 675 16.4 16.0 97 0.4 16.1 274 22 295.4 297.7 292.0 331.0 12.36 4 925 739 16.0 15.1 94 0.9 15.4 275 23 295.7 297.8 291.6 329.5 11.74 5 897 1000 14.4 12.5 88 1.9 13.2 276 26 296.6 298.5 290.6 326.2 10.20 6 877 1191 13.6 8.9 73 4.7 10.8 278 25 297.7 299.2 289.2 321.6 8.18 7 850 1454 11.8 8.9 82 2.9 10.1 280 25 298.5 300.0 289.8 323.2 8.45 8 804 1918 9.2 6.1 81 3.1 7.4 277 26 300.5 301.9 289.5 322.3 7.36 9 731 2702 5.8 -9.2 33 15.0 -0.5 275 27 305.1 305.6 286.5 313.3 2.60 10 726 2759 5.2 -6.8 42 12.0 -0.1 275 27 305.0 305.6 287.1 314.9 3.16 11 724 2781 5.4 -15.6 20 21.0 -2.2 275 27 305.5 305.8 285.5 310.5 1.57 12 722 2804 5.6 -12.4 26 18.0 -1.4 275 27 306.0 306.3 286.2 312.5 2.04 13 714 2895 4.8 -14.2 24 19.0 -2.3 275 27 306.1 306.4 285.9 311.8 1.78 14 700 3056 3.2 1.3 87 1.9 2.2 275 27 306.0 307.1 290.1 324.4 6.01 15 698 3079 2.8 1.0 88 1.8 1.8 275 27 305.8 306.9 289.9 323.8 5.90 16 693 3137 3.6 -16.4 22 20.0 -3.5 276 28 307.4 307.6 286.1 312.3 1.53 17 569 4716 -4.1 -39.1 5 35.0 -11.1 266 30 316.1 316.2 287.8 317.0 0.23 18 500 5720 -12.7 -39.7 8 27.0 -17.3 275 26 317.6 317.6 288.2 318.4 0.24 19 417 7069 -25.1 -38.1 29 13.0 -26.8 279 29 318.6 318.6 288.7 319.8 0.34 20 400 7370 -27.1 -49.1 11 22.0 -29.1 275 35 319.8 319.8 288.8 320.2 0.11 21 354 8241 -32.1 -63.1 3 31.0 -33.7 268 48 324.4 324.4 290.1 324.5 0.02 22 300 9390 -40.3 -64.3 6 24.0 -41.2 280 51 328.6 328.6 291.3 328.7 0.02 23 268 10149 -45.3 -67.3 7 22.0 -45.9 274 55 332.0 332.1 292.3 332.1 0.02 24 250 10610 -47.3 -69.3 6 22.0 -47.8 270 52 335.7 335.7 293.3 335.8 0.01 25 234 11046 -50.1 -70.1 8 20.0 -50.5 270 57 337.9 337.9 293.8 338.0 0.01 26 200 12070 -51.3 -79.3 2 28.0 -51.7 250 75 351.5 351.5 297.0 351.5 0.00 27 198 12135 -51.4 -79.4 2 28.0 -51.8 250 75 352.3 352.3 297.1 352.3 0.00 28 152 13836 -55.1 -83.1 2 28.0 -55.5 251 68 373.7 373.7 301.2 373.7 0.00 29 150 13920 -55.5 -82.5 2 27.0 -55.8 250 66 374.5 374.5 301.4 374.5 0.00 30 100 16440 -66.3 -87.3 4 21.0 -66.4 250 34 399.6 399.6 305.2 399.6 0.00 31 95 16751 -67.5 -87.5 4 20.0 -67.6 250 34 403.2 403.2 305.6 403.2 0.00 32 76 18094 -68.5 -88.5 4 20.0 -68.7 261 14 427.7 427.7 308.6 427.7 0.00 33 70 18590 -66.9 -88.9 3 22.0 -67.1 265 6 441.3 441.3 310.0 441.3 0.00 34 50 20630 -63.9 -88.9 2 25.0 -64.3 310 3 492.9 492.9 314.4 492.9 0.00 35 43 21559 -63.3 -88.3 2 25.0 -63.7 350 5 516.1 516.1 316.1 516.1 0.00 36 30 23820 -55.3 -85.3 1 30.0 -56.8 85 9 593.9 593.9 320.3 593.9 0.01 37 25 24994 -49.9 -82.9 1 33.0 -52.9 40 9 641.2 641.2 322.3 641.3 0.02 38 24 25259 -50.7 -82.7 1 32.0 -53.5 30 9 646.4 646.4 322.6 646.5 0.02 39 20 26450 -48.5 -82.5 1 34.0 -52.4 345 9 687.7 687.7 324.0 687.9 0.02 40 19 26788 -49.3 -82.3 1 33.0 -53.1 342 10 695.4 695.4 324.3 695.6 0.02 41 17 27524 -45.5 -80.5 1 35.0 -51.0 336 12 730.1 730.1 325.4 730.4 0.04 42 15 28358 -46.3 -81.3 1 35.0 -51.9 328 15 754.0 754.0 326.1 754.3 0.04 43 10 31090 -40.5 -79.5 1 39.0 -50.5 305 23 868.4 868.4 328.8 869.1 0.07 44 9.9 31159 -40.3 -79.3 1 39.0 -50.4 871.6 871.7 328.9 872.4 0.08 45 7.8 32774 -43.3 -80.3 1 37.0 -52.9 921.1 921.1 329.8 922.0 0.08 TRP 234 11046 -50.1 -70.1 8 20.0 -50.5 270 57 337.9 337.9 293.8 338.0 0.01 WND 198 12135 -51.4 -79.4 2 28.0 -51.8 250 75 352.3 352.3 297.1 352.3 0.00 Sounding variables and indices 1000-500 mb thick: 5653.00 m Freezing level: 635.03 mb = 3875.51 m = 12714.79 ft Wetbulb zero: 735.41 mb = 2652.73 m = 8703.07 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 42.65 % Est. max temperature: 25.14 C = 77.26 F Sfc-Lift cond lev (LCL): 928.88 mb = 703.21 m = 2307.10 ft T: 16.22 C 700-500 lapse rate: 5.97 C/km ThetaE index: 15.13 C Layer 980.0- 850.0 mb Conv cond level (CCL): 916.25 mb = 819.73 m = 2689.37 ft Mean mixing ratio: 12.17 g/kg Conv temperature: 22.40 C = 72.31 F Cap Strength: 0.51 C Lifted Index: -1.82 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.51 C Lifted Index @700 mb: -1.39 C Showalter Index: 1.93 C Risk: Showers probable Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.60 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.80 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 517.66 J/kg Max Up Vert Vel: 32.18 m/s Conv Inhibition (B-): 1.90 J/kg Cap Strength: 1.24 C Lift Cond Lev (LCL): 919.66 mb = 788.15 m = 2585.75 ft Lev Free Conv (LFC): 904.66 mb = 927.82 m = 3043.99 ft Equ Level (EL): 604.66 mb = 4229.30 m = 13875.48 ft B at Equ Level: 73.70 J/kg Max Parcel Lev (MPL): 204.66 mb = 11919.60 m = 39105.83 ft Wind level data Storm motion: 305 at 20 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 ---------------------------------------------------------- 0 995 109 270 14 14.0 -0.0 | 169 12 -2.3 11.6 1 925 739 275 23 22.9 -2.0 | 215 12 6.6 9.6 2 906 914 275 26 25.9 -2.3 | 226 13 9.6 9.3 3 850 1454 280 25 24.6 -4.3 | 229 11 8.3 7.2 4 783 2134 275 26 25.9 -2.3 | 226 13 9.6 9.3 5 700 3056 275 27 26.9 -2.4 | 229 14 10.6 9.2 6 649 3658 285 33 31.9 -8.5 | 259 16 15.6 3.0 7 601 4267 280 28 27.6 -4.9 | 239 13 11.3 6.7 8 578 4572 265 30 29.9 2.6 | 224 20 13.6 14.2 9 500 5720 275 26 25.9 -2.3 | 226 13 9.6 9.3 10 495 5791 270 26 26.0 -0.0 | 220 15 9.7 11.6 11 420 7010 280 28 27.6 -4.9 | 239 13 11.3 6.7 12 400 7370 275 35 34.9 -3.1 | 245 20 18.6 8.5 13 339 8534 265 52 51.8 4.5 | 246 39 35.5 16.1 14 300 9390 280 51 50.2 -8.9 | 265 34 33.9 2.7 15 271 10058 275 56 55.8 -4.9 | 260 40 39.5 6.7 16 250 10610 270 52 52.0 -0.0 | 252 38 35.7 11.6 17 248 10668 275 49 48.8 -4.3 | 257 33 32.5 7.3 18 234 11046 270 57 57.0 -0.0 | 254 42 40.7 11.6 19 216 11582 255 66 63.8 17.1 | 239 55 47.5 28.7 20 206 11887 255 59 57.0 15.3 | 237 49 40.7 26.8 21 200 12070 250 75 70.5 25.7 | 236 66 54.2 37.2 22 198 12135 250 75 70.5 25.7 | 236 66 54.2 37.2 23 196 12192 250 75 70.5 25.7 | 236 66 54.2 37.2 24 187 12497 245 70 63.4 29.6 | 229 63 47.2 41.2 25 179 12802 250 61 57.3 20.9 | 232 52 41.0 32.4 26 162 13411 255 75 72.4 19.4 | 241 64 56.2 31.0 27 150 13920 250 66 62.0 22.6 | 233 57 45.7 34.1 28 134 14630 250 60 56.4 20.5 | 231 51 40.1 32.1 29 121 15240 260 38 37.4 6.6 | 229 28 21.1 18.2 30 110 15850 275 44 43.8 -3.8 | 254 29 27.5 7.7 31 105 16154 260 47 46.3 8.2 | 237 36 30.0 19.7 32 100 16440 250 34 31.9 11.6 | 214 28 15.7 23.2 33 95 16764 250 34 31.9 11.6 | 214 28 15.7 23.2 34 70 18590 265 6 6.0 0.5 | 140 16 -10.3 12.1 35 50 20630 310 3 2.3 -1.9 | 125 17 -14.0 9.6 36 30 23820 85 9 -9.0 -0.8 | 113 27 -25.3 10.8 37 20 26450 345 9 2.3 -8.7 | 102 14 -14.0 2.9 38 10 31090 305 23 18.8 -13.2 | 302 3 2.6 -1.6 Wind Parameters Mean winds (0-6000m): 275.4 at 26.6 knts Storm direction: 305.4 at 20.0 knts Shear (0-3000m) pos: 2.2 neg: 0.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 62.9 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -1.9 tot: 39.9 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.2 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 46.62 Bulk Shear: 11.10 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 ------------------------------------------------------------------------------- 500 273 18 187 11| 7.5 0.0 7.5| 21.1 0.0 21.1 42.3 0.99| 7.5 7.4 1000 274 21 205 11| 6.1 0.0 6.1| 35.6 0.0 35.6 35.6 0.91| 6.6 6.0 1500 276 22 213 11| 4.0 0.0 4.0| 36.8 -0.3 36.5 24.3 0.82| 5.0 4.1 2000 276 23 217 11| 3.0 0.5 3.4| 36.8 -1.9 34.8 17.4 0.70| 4.2 3.0 2500 276 24 219 12| 2.4 0.4 2.8| 38.0 -1.9 36.1 14.4 0.70| 3.5 2.4 3000 276 24 221 12| 2.2 0.4 2.5| 41.8 -1.9 39.9 13.3 0.71| 3.1 2.2 4000 278 26 229 12| 2.4 0.5 2.9| 67.9 -14.4 53.5 13.4 0.57| 3.7 2.1 5000 276 27 229 13| 1.9 1.2 3.1| 70.0 -37.9 32.1 6.4 0.27| 4.2 1.1 6000 275 27 228 14| 1.6 1.1 2.7| 75.1 -43.2 31.9 5.3 0.23| 4.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//YSNF/skewt/YSNF.skewt.20250418.23.gif