UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for Y4995... Searching the city database file for: Y4995 ... Date:2300Z 16 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 1000 13 21.6 19.4 87 2.2 20.1 205 17 294.8 297.3 293.3 335.8 14.32 1 951 444 17.0 16.8 99 0.2 16.9 208 39 294.3 296.6 291.9 330.8 12.76 2 925 679 15.6 14.9 96 0.7 15.1 200 41 295.3 297.3 291.3 328.6 11.59 3 850 1395 12.4 11.9 97 0.5 12.1 200 38 299.1 301.0 291.6 329.4 10.35 4 846 1435 12.2 11.9 98 0.3 12.0 200 38 299.3 301.2 291.6 329.8 10.40 5 760 2329 8.8 5.7 81 3.1 7.0 201 33 305.0 306.4 291.1 327.8 7.58 6 700 3006 4.6 2.8 88 1.8 3.6 205 29 307.6 308.8 291.2 328.1 6.70 7 613 4075 -1.9 -2.7 94 0.8 -2.3 209 27 312.0 313.0 291.2 328.1 5.12 8 595 4311 -3.1 -6.3 79 3.2 -4.6 210 26 313.3 314.0 290.6 326.0 4.01 9 592 4351 -2.7 -10.7 54 8.0 -6.0 209 25 314.2 314.7 289.8 323.4 2.86 10 576 4568 -4.7 -6.5 87 1.8 -5.5 205 22 314.3 315.1 291.0 327.4 4.08 11 565 4719 -5.7 -9.1 77 3.4 -7.1 207 22 314.9 315.5 290.5 325.8 3.40 12 561 4775 -5.5 -18.5 35 13.0 -9.8 208 21 315.8 316.1 289.0 321.1 1.58 13 555 4860 -5.7 -18.7 35 13.0 -9.9 209 21 316.5 316.8 289.3 321.8 1.57 14 526 5278 -8.5 -20.5 37 12.0 -12.2 229 20 318.0 318.3 289.6 322.9 1.42 15 502 5639 -10.7 -36.7 10 26.0 -15.7 219 20 319.6 319.7 289.0 320.8 0.33 16 500 5670 -10.5 -42.5 5 32.0 -15.9 220 21 320.2 320.3 289.0 320.9 0.18 17 494 5763 -10.3 -58.3 1 48.0 -16.1 220 23 321.6 321.6 289.3 321.7 0.03 18 400 7350 -21.7 -61.7 1 40.0 -25.0 230 35 326.8 326.8 290.8 326.9 0.02 19 308 9218 -36.3 -67.3 3 31.0 -37.5 223 12 331.7 331.7 292.2 331.8 0.01 20 300 9400 -37.5 -67.5 3 30.0 -38.7 230 8 332.5 332.5 292.4 332.6 0.01 21 250 10640 -45.5 -70.5 4 25.0 -46.1 250 15 338.4 338.4 293.9 338.5 0.01 22 239 10940 -47.3 -72.3 4 25.0 -47.9 248 13 340.1 340.1 294.3 340.1 0.01 23 200 12110 -51.3 -79.3 2 28.0 -51.7 245 28 351.5 351.5 297.0 351.5 0.00 24 153 13816 -58.1 -84.1 2 26.0 -58.3 258 19 367.9 367.9 300.2 367.9 0.00 25 150 13940 -58.9 -83.9 3 25.0 -59.1 280 20 368.6 368.6 300.3 368.6 0.00 26 140 14370 -61.3 -85.3 3 24.0 -61.5 284 23 371.7 371.7 300.9 371.7 0.00 27 119 15372 -63.7 -87.7 2 24.0 -63.8 285 27 385.0 385.0 303.1 385.0 0.00 28 113 15690 -62.1 -88.1 2 26.0 -62.3 275 26 393.7 393.7 304.3 393.7 0.00 29 100 16440 -65.1 -89.1 2 24.0 -65.3 290 20 401.9 401.9 305.5 402.0 0.00 TRP 119 15372 -63.7 -87.7 2 24.0 -63.8 285 27 385.0 385.0 303.1 385.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5657.23 m Freezing level: 638.43 mb = 3762.30 m = 12343.34 ft Wetbulb zero: 647.16 mb = 3637.95 m = 11935.38 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 79.16 % Est. max temperature: 25.99 C = 78.77 F Sfc-Lift cond lev (LCL): 968.52 mb = 287.09 m = 941.88 ft T: 18.67 C 700-500 lapse rate: 5.67 C/km ThetaE index: 7.19 C Layer 951.0- 850.0 mb Conv cond level (CCL): 941.45 mb = 529.34 m = 1736.65 ft Mean mixing ratio: 12.62 g/kg Conv temperature: 21.53 C = 70.76 F Cap Strength: 0.64 C Lifted Index: 0.17 C Risk: Showers probable Lifted Index @300 mb: 2.03 C Lifted Index @700 mb: -0.14 C Showalter Index: 1.02 C Risk: Showers probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.40 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 307.55 Risk: Showers and thunderstorms possible Energy Index: -1.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.63 J/kg Max Up Vert Vel: 11.10 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.61 C Lift Cond Lev (LCL): 937.82 mb = 562.12 m = 1844.20 ft Lev Free Conv (LFC): 932.82 mb = 607.50 m = 1993.09 ft Equ Level (EL): 812.82 mb = 1768.45 m = 5801.91 ft B at Equ Level: 16.60 J/kg Max Parcel Lev (MPL): 402.82 mb = 7297.09 m = 23940.30 ft Wind level data Storm motion: 236 at 22 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 1000 13 205 17 7.2 15.4 | 106 12 -11.2 3.2 1 1000 8 215 21 12.0 17.2 | 128 8 -6.4 5.0 2 966 305 215 38 21.8 31.1 | 190 19 3.4 18.9 3 932 610 200 41 14.0 38.5 | 171 27 -4.4 26.3 4 925 679 200 41 14.0 38.5 | 171 27 -4.4 26.3 5 900 914 195 38 9.8 36.7 | 161 26 -8.6 24.5 6 850 1395 200 38 13.0 35.7 | 167 24 -5.4 23.5 7 778 2134 200 34 11.6 31.9 | 161 21 -6.8 19.7 8 700 3006 205 29 12.3 26.3 | 156 15 -6.1 14.0 9 597 4267 210 26 13.0 22.5 | 152 12 -5.4 10.3 10 574 4572 205 22 9.3 19.9 | 130 12 -9.1 7.7 11 553 4877 210 21 10.5 18.2 | 127 10 -7.9 5.9 12 532 5182 235 22 18.0 12.6 | 135 1 -0.4 0.4 13 512 5486 215 16 9.2 13.1 | 95 9 -9.2 0.9 14 500 5670 220 21 13.5 16.1 | 128 6 -4.9 3.8 15 436 6706 225 42 29.7 29.7 | 213 21 11.3 17.4 16 400 7350 230 35 26.8 22.5 | 219 13 8.4 10.2 17 385 7620 230 40 30.6 25.7 | 222 18 12.2 13.5 18 369 7925 225 41 29.0 29.0 | 212 20 10.6 16.7 19 311 9144 220 14 9.0 10.7 | 81 10 -9.4 -1.5 20 300 9400 230 8 6.1 5.1 | 60 14 -12.3 -7.1 21 285 9754 265 6 6.0 0.5 | 47 17 -12.4 -11.7 22 250 10640 250 15 14.1 5.1 | 31 8 -4.3 -7.1 23 249 10668 250 11 10.3 3.8 | 44 12 -8.1 -8.5 24 207 11887 240 21 18.2 10.5 | 7 2 -0.2 -1.8 25 200 12110 245 28 25.4 11.8 | 273 7 7.0 -0.4 26 197 12192 250 29 27.3 9.9 | 285 9 8.9 -2.3 27 163 13411 265 13 13.0 1.1 | 26 12 -5.4 -11.1 28 155 13716 240 19 16.5 9.5 | 35 3 -1.9 -2.8 29 150 13940 280 20 19.7 -3.5 | 355 16 1.3 -15.7 30 141 14326 285 22 21.3 -5.7 | 351 18 2.9 -17.9 31 134 14630 275 32 31.9 -2.8 | 318 20 13.5 -15.0 32 122 15240 255 28 27.0 7.2 | 300 10 8.7 -5.0 33 119 15372 285 27 26.1 -7.0 | 338 21 7.7 -19.2 34 116 15545 285 27 26.1 -7.0 | 338 21 7.7 -19.2 35 110 15850 265 24 23.9 2.1 | 332 12 5.5 -10.2 36 100 16440 290 20 18.8 -6.8 | 359 19 0.4 -19.1 37 100 16459 260 18 17.7 3.1 | 4 9 -0.7 -9.1 38 94 16764 290 20 18.8 -6.8 | 359 19 0.4 -19.1 Wind Parameters Mean winds (0-6000m): 206.3 at 29.5 knts Storm direction: 236.3 at 22.1 knts Shear (0-3000m) pos: 1.4 neg: 2.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 26.5 deg Storm rel helicity (0-3000m) pos: 52.6 neg: -97.0 tot: -44.4 m^2/s^2 ave: -14.8 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -0.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 16.77 Bulk Shear: 3.68 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 ------------------------------------------------------------------------------- 500 212 34 179 16| 0.0 20.0 20.0| 34.9 -29.1 5.8 11.6 0.28| 24.7 6.8 1000 205 37 172 21| 0.0 9.9 9.9| 38.5 -76.8 -38.3 -38.3 0.01| 16.8 0.1 1500 203 37 169 22| 0.9 6.6 7.5| 52.6 -78.7 -26.1 -17.4 0.06| 12.3 0.7 2000 202 37 168 22| 0.7 4.3 5.0| 52.6 -88.1 -35.5 -17.8 0.01| 9.9 0.1 2500 202 36 167 22| 1.1 3.4 4.5| 52.6 -92.8 -40.2 -16.1 -0.01| 8.6 -0.1 3000 202 35 165 21| 1.4 2.9 4.3| 52.6 -97.0 -44.4 -14.8 -0.03| 7.7 -0.2 4000 203 33 164 19| 1.4 2.2 3.6| 52.6 -99.5 -46.9 -11.7 -0.04| 6.2 -0.3 5000 204 31 161 17| 1.7 1.5 3.3| 53.8-115.5 -61.7 -12.3 -0.11| 6.1 -0.7 6000 206 29 159 15| 1.5 1.3 2.8| 72.7-117.1 -44.4 -7.4 0.02| 7.1 0.2 Wrote GIF file: /home/apache/climate/data/raob//Y4995/skewt/Y4995.skewt.20250416.23.gif