UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101823.upa.cvt Date: 2300Z 18 OCT 25 Searching for Y4995... Searching the city database file for: Y4995 ... Date:2300Z 18 OCT 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 1016 7 20.4 17.2 82 3.2 18.3 90 9 292.2 294.4 290.8 326.9 12.24 1 1000 143 18.6 15.5 82 3.1 16.6 105 8 291.8 293.7 289.8 323.3 11.14 2 925 808 14.0 11.8 87 2.2 12.7 25 2 293.6 295.3 288.9 320.6 9.44 3 850 1518 9.8 8.5 92 1.3 9.0 200 6 296.4 297.9 288.8 320.3 8.22 4 801 2009 6.0 6.0 100 0.0 6.0 224 11 297.4 298.8 288.4 318.9 7.34 5 725 2822 2.4 -2.6 70 5.0 0.0 275 13 302.1 302.9 287.2 315.3 4.36 6 700 3105 0.6 -2.9 77 3.5 -1.0 290 7 303.1 304.0 287.6 316.6 4.41 7 581 4580 -7.7 -29.7 15 22.0 -12.7 204 10 310.0 310.2 286.0 312.0 0.56 8 500 5730 -16.7 -34.7 19 18.0 -19.8 190 25 312.7 312.8 286.8 314.1 0.40 9 418 7037 -29.3 -38.3 41 9.0 -30.3 198 23 312.9 313.0 286.8 314.1 0.34 10 413 7123 -29.3 -50.3 11 21.0 -30.9 198 23 314.0 314.0 286.9 314.4 0.09 11 400 7350 -30.1 -55.1 7 25.0 -31.7 205 25 315.9 315.9 287.5 316.1 0.05 12 300 9350 -40.7 -69.7 3 29.0 -41.6 180 59 328.0 328.0 291.2 328.0 0.01 13 293 9511 -40.5 -71.5 2 31.0 -41.4 181 62 330.5 330.5 291.9 330.5 0.01 14 250 10580 -47.5 -75.5 3 28.0 -48.0 185 84 335.4 335.4 293.2 335.5 0.01 15 237 10931 -50.1 -77.1 3 27.0 -50.5 176 91 336.7 336.7 293.5 336.7 0.00 16 236 10959 -50.2 -77.1 3 26.9 -50.6 175 92 336.9 336.9 293.6 336.9 0.00 17 200 12030 -54.5 -78.5 4 24.0 -54.8 190 74 346.5 346.5 295.8 346.5 0.00 18 194 12224 -55.3 -80.3 3 25.0 -55.6 192 76 348.2 348.2 296.3 348.2 0.00 19 184 12562 -53.3 -82.3 2 29.0 -53.7 195 75 356.8 356.8 298.1 356.8 0.00 20 150 13860 -58.3 -84.3 2 26.0 -58.5 180 42 369.6 369.6 300.5 369.6 0.00 21 143 14160 -60.3 -85.3 2 25.0 -60.5 195 43 371.2 371.2 300.8 371.2 0.00 22 129 14807 -57.3 -85.3 2 28.0 -57.6 205 52 387.7 387.7 303.5 387.7 0.00 23 110 15802 -63.1 -86.1 3 23.0 -63.3 227 27 394.9 394.9 304.5 394.9 0.00 24 100 16390 -61.9 -86.9 2 25.0 -62.1 220 28 408.1 408.1 306.3 408.1 0.00 25 75 18156 -64.3 -89.3 2 25.0 -64.6 205 17 438.1 438.1 309.7 438.1 0.00 26 72 18407 -62.3 -89.3 2 27.0 -62.6 202 15 447.5 447.5 310.6 447.5 0.00 27 70 18580 -63.3 -89.3 2 26.0 -63.6 200 14 449.0 449.0 310.7 449.0 0.00 28 67 18849 -64.9 -88.9 2 24.0 -65.1 190 15 451.2 451.2 311.0 451.2 0.00 29 52 20415 -60.1 -89.1 1 29.0 -60.6 129 18 496.3 496.3 314.7 496.3 0.00 30 50 20660 -60.5 -88.5 1 28.0 -61.0 120 18 500.9 500.9 315.0 500.9 0.00 31 39 22209 -59.9 -88.9 1 29.0 -60.6 101 20 539.3 539.3 317.5 539.3 0.00 32 36 22712 -56.9 -87.9 1 31.0 -58.0 94 21 559.6 559.6 318.6 559.6 0.00 33 30 23870 -55.7 -87.7 1 32.0 -57.2 80 23 592.8 592.8 320.3 592.8 0.01 34 20 26460 -51.7 -86.7 1 35.0 -54.7 95 13 677.9 677.9 323.7 678.0 0.01 35 13 29272 -48.9 -85.9 1 37.0 -54.0 776.5 776.5 326.7 776.7 0.02 36 11 30366 -50.1 -85.1 1 35.0 -55.2 810.1 810.2 327.5 810.4 0.03 TRP 143 14160 -60.3 -85.3 2 25.0 -60.5 195 43 371.2 371.2 300.8 371.2 0.00 WND 236 10959 -50.2 -77.1 3 26.9 -50.6 175 92 336.9 336.9 293.6 336.9 0.00 Sounding variables and indices 1000-500 mb thick: 5587.00 m Freezing level: 691.40 mb = 3211.62 m = 10536.70 ft Wetbulb zero: 724.53 mb = 2826.91 m = 9274.53 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 61.16 % Est. max temperature: 24.00 C = 75.19 F Sfc-Lift cond lev (LCL): 969.29 mb = 409.08 m = 1342.12 ft T: 16.76 C 700-500 lapse rate: 6.59 C/km ThetaE index: 11.59 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 905.96 mb = 982.67 m = 3223.93 ft Mean mixing ratio: 10.41 g/kg Conv temperature: 22.50 C = 72.50 F Cap Strength: 0.84 C Lifted Index: -1.60 C Risk: Thunderstorms probable Lifted Index @300 mb: 4.57 C Lifted Index @700 mb: -0.77 C Showalter Index: -0.49 C Risk: Thunderstorms probable Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 25.20 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 193.00 Risk: None Energy Index: -1.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 351.65 J/kg Max Up Vert Vel: 26.52 m/s Conv Inhibition (B-): 10.53 J/kg Cap Strength: 0.84 C Lift Cond Lev (LCL): 928.05 mb = 779.95 m = 2558.87 ft Lev Free Conv (LFC): 843.05 mb = 1585.89 m = 5203.00 ft Equ Level (EL): 353.05 mb = 8218.07 m = 26961.85 ft B at Equ Level: 347.21 J/kg Max Parcel Lev (MPL): 263.05 mb = 10237.48 m = 33587.13 ft Wind level data Storm motion: 238 at 7 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 1016 7 90 9 -9.0 0.0 | 76 16 -15.4 -3.9 1 1000 143 105 8 -7.7 2.1 | 82 14 -14.1 -1.9 2 925 808 25 2 -0.8 -1.8 | 52 9 -7.2 -5.7 3 913 914 360 2 -0.0 -2.0 | 47 9 -6.4 -5.9 4 850 1518 200 6 2.1 5.6 | 112 5 -4.3 1.7 5 818 1829 210 10 5.0 8.7 | 164 5 -1.4 4.7 6 788 2134 235 11 9.0 6.3 | 228 4 2.6 2.4 7 732 2743 275 14 13.9 -1.2 | 304 9 7.6 -5.2 8 705 3048 275 10 10.0 -0.9 | 323 6 3.6 -4.8 9 700 3105 290 7 6.6 -2.4 | 358 6 0.2 -6.3 10 627 3962 265 2 2.0 0.2 | 49 6 -4.4 -3.8 11 603 4267 235 7 5.7 4.0 | 97 1 -0.6 0.1 12 558 4877 170 13 -2.3 12.8 | 136 12 -8.6 8.9 13 500 5730 190 25 4.3 24.6 | 174 21 -2.0 20.7 14 475 6096 190 26 4.5 25.6 | 175 22 -1.9 21.7 15 402 7315 200 22 7.5 20.7 | 184 17 1.1 16.7 16 400 7350 205 25 10.6 22.7 | 193 19 4.2 18.7 17 323 8839 175 57 -5.0 56.8 | 168 54 -11.3 52.9 18 309 9144 175 52 -4.5 51.8 | 167 49 -10.9 47.9 19 300 9350 180 59 0.0 59.0 | 173 55 -6.4 55.1 20 250 10580 185 84 7.3 83.7 | 181 80 0.9 79.8 21 236 10959 175 92 -8.0 91.6 | 171 89 -14.4 87.7 22 235 10973 175 92 -8.0 91.6 | 171 89 -14.4 87.7 23 200 12030 190 74 12.8 72.9 | 185 69 6.5 68.9 24 186 12497 195 78 20.2 75.3 | 191 73 13.8 71.4 25 169 13106 195 53 13.7 51.2 | 189 48 7.3 47.3 26 153 13716 180 52 0.0 52.0 | 172 48 -6.4 48.1 27 150 13860 180 42 0.0 42.0 | 170 39 -6.4 38.1 28 143 14160 195 43 11.1 41.5 | 187 38 4.7 37.6 29 139 14326 185 40 3.5 39.8 | 175 36 -2.9 35.9 30 126 14935 210 55 27.5 47.6 | 206 49 21.1 43.7 31 115 15545 190 28 4.9 27.6 | 176 24 -1.5 23.6 32 109 15850 235 27 22.1 15.5 | 234 20 15.7 11.6 33 104 16154 235 40 32.8 22.9 | 234 33 26.4 19.0 34 100 16390 220 28 18.0 21.4 | 214 21 11.6 17.5 35 94 16764 220 28 18.0 21.4 | 214 21 11.6 17.5 36 70 18580 200 14 4.8 13.2 | 170 9 -1.6 9.2 37 50 20660 120 18 -15.6 9.0 | 103 23 -22.0 5.1 38 30 23870 80 23 -22.7 -4.0 | 75 30 -29.0 -7.9 39 20 26460 95 13 -13.0 1.1 | 82 20 -19.3 -2.8 Wind Parameters Mean winds (0-6000m): 208.4 at 10.0 knts Storm direction: 238.4 at 7.5 knts Shear (0-3000m) pos: 1.8 neg: 2.2 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): -116.0 deg Storm rel helicity (0-3000m) pos: 33.6 neg: -29.2 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 2.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 12.65 Bulk Shear: 27.80 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 92 7 74 14| 0.0 5.5 5.5| 5.5 -17.8 -12.3 -24.7 -0.49| 7.7 -3.7 1000 87 5 70 12| 0.0 5.3 5.3| 5.5 -26.4 -20.9 -20.9 -0.54| 6.7 -3.6 1500 108 5 77 11| 0.0 4.3 4.3| 9.1 -29.2 -20.2 -13.4 -0.16| 8.0 -1.3 2000 167 6 102 8| 1.4 3.2 4.7| 16.7 -29.2 -12.5 -6.3 0.09| 7.8 0.7 2500 209 7 125 4| 2.2 2.6 4.8| 24.2 -29.2 -5.0 -2.0 0.25| 7.8 1.9 3000 236 8 202 1| 1.8 2.2 3.9| 33.6 -29.2 4.4 1.5 0.32| 7.6 2.4 4000 249 7 349 1| 0.8 1.5 2.3| 46.4 -29.3 17.2 4.3 0.42| 7.0 2.9 5000 231 8 148 1| 0.7 2.2 2.9| 51.5 -36.5 15.0 3.0 0.32| 7.6 2.4 6000 208 10 161 5| 0.8 1.8 2.7| 94.6 -36.5 58.1 9.7 0.38| 7.4 2.8 Wrote GIF file: /home/apache/climate/data/raob//Y4995/skewt/Y4995.skewt.20251018.23.gif