UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for Y4995... Searching the city database file for: Y4995 ... Date:2300Z 17 APR 25 Station: Y4995 WMO ident: 94995 Latitude: -31.53 Longitude: 159.07 ------------------------------------------------------------------------------- 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 1004 8 22.8 17.8 73 5.0 19.4 225 13 295.6 297.9 292.4 332.6 12.87 1 1000 43 21.6 16.6 73 5.0 18.3 220 21 294.8 296.9 291.5 329.0 11.96 2 933 640 15.6 14.0 90 1.6 14.6 217 35 294.5 296.5 290.5 325.6 10.83 3 925 713 15.0 13.8 93 1.2 14.3 215 36 294.6 296.6 290.5 325.6 10.78 4 871 1220 12.0 7.8 75 4.2 9.6 218 37 296.6 298.0 288.4 318.9 7.64 5 850 1424 11.2 6.2 71 5.0 8.4 220 38 297.9 299.1 288.2 318.4 7.01 6 749 2469 5.2 0.2 70 5.0 2.7 227 36 302.3 303.3 288.1 318.0 5.19 7 731 2668 5.2 -8.8 36 14.0 -0.7 228 36 304.4 304.9 286.4 312.8 2.69 8 701 3010 4.4 -27.6 8 32.0 -4.4 230 36 307.2 307.3 285.0 309.2 0.56 9 700 3022 4.4 -27.6 8 32.0 -4.5 230 36 307.4 307.5 285.1 309.3 0.57 10 686 3186 3.4 -18.6 18 22.0 -4.0 228 38 308.0 308.3 286.1 312.2 1.28 11 681 3245 3.4 -27.6 8 31.0 -5.1 227 39 308.7 308.8 285.5 310.7 0.58 12 619 4011 -2.7 -30.7 10 28.0 -9.4 234 42 310.2 310.3 286.0 311.9 0.48 13 593 4351 -2.3 -39.3 4 37.0 -9.8 230 45 314.5 314.6 287.2 315.3 0.21 14 517 5423 -10.7 -35.7 11 25.0 -15.6 230 38 316.9 317.0 288.2 318.2 0.35 15 500 5680 -11.5 -46.5 4 35.0 -16.7 230 48 319.0 319.0 288.6 319.5 0.12 16 476 6055 -12.9 -48.9 3 36.0 -17.9 230 52 321.8 321.8 289.4 322.2 0.09 17 400 7350 -23.5 -55.5 4 32.0 -26.3 240 57 324.4 324.5 290.2 324.7 0.05 18 300 9390 -40.1 -62.1 8 22.0 -40.9 245 56 328.8 328.9 291.4 329.0 0.03 19 287 9690 -43.1 -64.1 8 21.0 -43.7 245 55 328.8 328.8 291.4 328.9 0.02 20 262 10300 -46.1 -68.5 6 22.3 -46.7 260 65 333.0 333.0 292.5 333.0 0.01 21 250 10610 -47.7 -70.7 5 23.0 -48.2 260 53 335.2 335.2 293.1 335.2 0.01 22 200 12060 -51.3 -78.3 3 27.0 -51.7 255 46 351.5 351.5 297.0 351.6 0.00 23 177 12849 -55.3 -80.3 3 25.0 -55.6 258 51 357.5 357.5 298.2 357.5 0.00 24 159 13537 -54.3 -82.3 2 28.0 -54.6 260 51 370.3 370.3 300.6 370.3 0.00 25 150 13910 -56.3 -83.3 2 27.0 -56.6 260 42 373.1 373.1 301.1 373.1 0.00 26 127 14953 -62.3 -86.3 3 24.0 -62.5 279 41 380.4 380.4 302.3 380.4 0.00 27 121 15253 -60.3 -86.3 2 26.0 -60.5 285 45 389.4 389.4 303.7 389.4 0.00 28 100 16430 -64.3 -88.3 2 24.0 -64.5 260 27 403.5 403.5 305.7 403.5 0.00 TRP WND 262 10300 -46.1 -68.5 6 22.3 -46.7 260 65 333.0 333.0 292.5 333.0 0.01 Sounding variables and indices 1000-500 mb thick: 5637.00 m Freezing level: 646.44 mb = 3671.99 m = 12047.06 ft Wetbulb zero: 734.68 mb = 2627.22 m = 8619.39 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 39.41 % Est. max temperature: 24.83 C = 76.69 F Sfc-Lift cond lev (LCL): 933.02 mb = 639.55 m = 2098.25 ft T: 15.60 C 700-500 lapse rate: 5.98 C/km ThetaE index: 23.46 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 905.38 mb = 893.60 m = 2931.71 ft Mean mixing ratio: 11.11 g/kg Conv temperature: 22.55 C = 72.59 F Cap Strength: 2.13 C Lifted Index: 1.37 C Risk: Showers probable Lifted Index @300 mb: 2.36 C Lifted Index @700 mb: 1.33 C Showalter Index: 5.77 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 17.70 C K Index: -3.10 Risk: None Sweat Index: 245.11 Risk: None Energy Index: 0.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.52 J/kg Max Up Vert Vel: 6.41 m/s Conv Inhibition (B-): 2.05 J/kg Cap Strength: 2.06 C Lift Cond Lev (LCL): 913.79 mb = 815.75 m = 2676.31 ft Lev Free Conv (LFC): 878.79 mb = 1144.78 m = 3755.80 ft Equ Level (EL): 728.79 mb = 2693.05 m = 8835.36 ft B at Equ Level: 19.41 J/kg Max Parcel Lev (MPL): 678.79 mb = 3271.49 m = 10733.11 ft Wind level data Storm motion: 257 at 29 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 1004 8 225 13 9.2 9.2 | 97 19 -19.2 2.4 1 1000 43 220 21 13.5 16.1 | 122 18 -14.9 9.3 2 970 305 225 33 23.3 23.3 | 163 17 -5.1 16.6 3 925 713 215 36 20.6 29.5 | 161 24 -7.7 22.7 4 903 914 215 36 20.6 29.5 | 161 24 -7.7 22.7 5 850 1424 220 38 24.4 29.1 | 170 23 -4.0 22.4 6 780 2134 225 36 25.5 25.5 | 171 19 -2.9 18.7 7 700 3022 230 36 27.6 23.1 | 177 16 -0.8 16.4 8 671 3353 225 41 29.0 29.0 | 182 22 0.6 22.2 9 621 3962 235 42 34.4 24.1 | 199 18 6.0 17.3 10 598 4267 230 45 34.5 28.9 | 195 23 6.1 22.2 11 512 5486 230 38 29.1 24.4 | 182 18 0.7 17.7 12 500 5680 230 48 36.8 30.9 | 199 26 8.4 24.1 13 473 6096 230 52 39.8 33.4 | 203 29 11.4 26.7 14 400 7350 240 57 49.4 28.5 | 224 30 21.0 21.7 15 300 9390 245 56 50.8 23.7 | 233 28 22.4 16.9 16 284 9754 245 55 49.8 23.2 | 232 27 21.5 16.5 17 272 10058 250 53 49.8 18.1 | 242 24 21.4 11.4 18 262 10300 260 65 64.0 11.3 | 263 36 35.6 4.5 19 259 10363 260 65 64.0 11.3 | 263 36 35.6 4.5 20 250 10610 260 53 52.2 9.2 | 264 24 23.8 2.4 21 226 11278 265 42 41.8 3.7 | 283 14 13.4 -3.1 22 200 12060 255 46 44.4 11.9 | 252 17 16.0 5.2 23 162 13411 260 54 53.2 9.4 | 264 25 24.8 2.6 24 150 13910 260 42 41.4 7.3 | 268 13 13.0 0.5 25 140 14326 265 33 32.9 2.9 | 311 6 4.5 -3.9 26 121 15240 285 45 43.5 -11.6 | 321 24 15.1 -18.4 27 115 15545 275 54 53.8 -4.7 | 294 28 25.4 -11.5 28 100 16430 260 27 26.6 4.7 | 41 3 -1.8 -2.1 29 94 16764 260 28 27.6 4.9 | 23 2 -0.8 -1.9 Wind Parameters Mean winds (0-6000m): 226.6 at 38.9 knts Storm direction: 256.6 at 29.2 knts Shear (0-3000m) pos: 1.5 neg: 4.1 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 79.8 deg Storm rel helicity (0-3000m) pos: 122.6 neg: -3.9 tot: 118.7 m^2/s^2 ave: 39.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.51 Bulk Shear: 13.58 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 ------------------------------------------------------------------------------- 500 223 29 149 17| 0.0 22.2 22.2| 89.7 -1.0 88.7 177.4 0.84| 24.4 20.5 1000 219 32 157 20| 0.0 12.2 12.2| 93.8 -3.9 89.8 89.8 0.72| 14.3 10.3 1500 219 34 160 21| 1.1 8.1 9.2|112.1 -3.9 108.2 72.1 0.74| 10.8 7.9 2000 220 35 163 21| 1.3 6.1 7.4|113.8 -3.9 109.8 54.9 0.69| 8.8 6.0 2500 221 35 165 20| 1.5 4.9 6.3|117.8 -3.9 113.9 45.6 0.67| 7.4 5.0 3000 222 35 166 20| 1.5 4.1 5.6|122.6 -3.9 118.7 39.6 0.67| 6.5 4.3 4000 224 37 172 20| 1.8 3.7 5.5|162.0 -3.9 158.1 39.5 0.65| 6.5 4.2 5000 226 38 176 20| 1.4 3.0 4.4|162.0 -25.2 136.8 27.4 0.50| 6.0 3.0 6000 227 39 180 20| 1.2 3.3 4.5|206.0 -33.1 172.9 28.8 0.47| 6.3 3.0 Wrote GIF file: /home/apache/climate/data/raob//Y4995/skewt/Y4995.skewt.20250417.23.gif