UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120911.upa.cvt Date: 1100Z 9 DEC 25 Searching for Y4461... Searching the city database file for: Y4461 ... Date:1100Z 9 DEC 25 Station: Y4461 WMO ident: 94461 Latitude: -25.03 Longitude: 128.28 ------------------------------------------------------------------------------- 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 21 SFC 940 587 35.6 8.6 19 27.0 18.3 30 12 314.3 315.7 293.7 337.6 7.47 2 925 734 34.8 7.8 19 27.0 17.7 40 18 314.9 316.3 293.7 337.5 7.19 3 850 1493 29.4 4.4 20 25.0 14.2 360 8 316.9 318.1 293.4 336.6 6.17 4 808 1941 25.8 2.8 22 23.0 12.2 321 9 317.7 318.9 293.4 336.3 5.80 5 700 3175 13.8 0.8 41 13.0 6.5 290 9 317.8 318.9 293.4 336.3 5.80 6 581 4706 -0.7 -3.6 81 2.9 -2.1 265 8 318.2 319.2 292.9 334.5 5.05 7 580 4720 -0.7 -3.7 80 3.0 -2.2 264 8 318.4 319.4 292.9 334.5 5.02 8 545 5215 -3.7 -16.7 36 13.0 -8.4 240 10 320.5 320.9 290.9 326.9 1.90 9 500 5890 -9.3 -17.3 52 8.0 -12.1 270 12 321.7 322.1 291.2 328.4 1.97 10 484 6140 -11.3 -19.3 52 8.0 -13.8 281 13 322.2 322.6 291.2 328.1 1.71 11 477 6252 -11.3 -27.3 25 16.0 -15.4 285 13 323.6 323.8 290.7 326.6 0.85 12 468 6397 -12.5 -24.5 36 12.0 -15.7 291 13 323.9 324.1 291.1 327.8 1.12 13 415 7305 -17.1 -48.1 5 31.0 -21.2 277 18 329.3 329.3 291.6 329.7 0.12 14 404 7506 -18.7 -32.7 28 14.0 -21.5 268 21 329.7 329.9 292.3 332.0 0.61 15 400 7580 -18.9 -39.9 14 21.0 -22.3 265 22 330.4 330.5 292.2 331.6 0.30 16 395 7673 -19.5 -55.5 3 36.0 -23.3 267 21 330.8 330.8 292.0 331.0 0.05 17 390 7768 -20.1 -53.1 4 33.0 -23.7 270 22 331.3 331.3 292.2 331.5 0.07 18 328 9028 -27.7 -45.7 16 18.0 -29.7 291 35 337.6 337.7 293.9 338.4 0.20 19 300 9660 -33.7 -47.7 23 14.0 -35.0 290 39 337.9 337.9 294.0 338.6 0.17 20 285 10019 -36.9 -49.9 25 13.0 -37.9 294 38 338.3 338.3 294.0 338.9 0.14 21 276 10242 -37.3 -63.3 5 26.0 -38.5 283 41 340.8 340.8 294.6 340.9 0.03 22 250 10920 -42.9 -65.9 6 23.0 -43.7 280 46 342.3 342.3 294.9 342.4 0.02 23 217 11860 -49.7 -67.7 10 18.0 -50.1 277 59 345.9 345.9 295.7 346.0 0.02 24 200 12390 -53.1 -71.1 9 18.0 -53.4 275 67 348.7 348.7 296.4 348.7 0.01 25 178 13132 -58.1 -74.1 11 16.0 -58.3 265 79 352.3 352.3 297.1 352.3 0.01 26 150 14190 -65.5 -78.5 15 13.0 -65.6 270 77 357.2 357.2 298.1 357.3 0.01 27 144 14438 -67.7 -80.7 14 13.0 -67.8 270 76 357.6 357.6 298.2 357.6 0.00 28 129 15096 -71.7 -86.7 9 15.0 -71.8 270 73 361.9 361.9 299.1 361.9 0.00 29 100 16590 -75.5 -92.5 5 17.0 -75.5 275 23 381.9 381.9 302.5 381.9 0.00 30 87 17384 -80.3 -93.3 10 13.0 -80.3 290 32 387.7 387.7 303.5 387.7 0.00 31 74 18300 -78.7 -89.7 15 11.0 -78.7 301 11 409.5 409.5 306.5 409.5 0.00 32 70 18620 -73.3 -89.3 7 16.0 -73.4 305 4 427.6 427.6 308.6 427.6 0.00 33 69 18705 -72.7 -88.7 7 16.0 -72.8 309 4 430.6 430.6 308.9 430.6 0.00 34 66 18966 -73.9 -89.9 7 16.0 -74.0 322 4 433.5 433.5 309.2 433.5 0.00 35 64 19147 -73.7 -90.7 6 17.0 -73.7 330 4 437.8 437.8 309.7 437.8 0.00 36 62 19335 -69.1 -90.1 3 21.0 -69.2 339 4 452.0 452.0 311.0 452.0 0.00 37 59 19632 -70.9 -91.9 3 21.0 -71.0 353 3 454.4 454.4 311.3 454.4 0.00 38 50 20630 -65.3 -91.3 2 26.0 -65.6 40 3 489.6 489.6 314.2 489.6 0.00 39 48 20879 -63.7 -90.7 1 27.0 -64.1 499.2 499.2 314.9 499.2 0.00 40 46 21140 -65.3 -90.3 2 25.0 -65.6 501.4 501.4 315.1 501.4 0.00 41 32 23389 -57.7 -88.7 1 31.0 -58.8 576.6 576.6 319.5 576.6 0.00 TRP 87 17384 -80.3 -93.3 10 13.0 -80.3 290 32 387.7 387.7 303.5 387.7 0.00 WND 178 13132 -58.1 -74.1 11 16.0 -58.3 265 79 352.3 352.3 297.1 352.3 0.01 Sounding variables and indices 1000-500 mb thick: 5869.00 m Freezing level: 586.74 mb = 4632.18 m = 15197.24 ft Wetbulb zero: 610.68 mb = 4296.71 m = 14096.63 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 41.96 % Est. max temperature: 39.06 C = 102.31 F Sfc-Lift cond lev (LCL): 635.96 mb = 3963.37 m = 13003.02 ft T: 6.33 C 700-500 lapse rate: 8.51 C/km ThetaE index: 1.37 C Layer 925.0- 700.0 mb Conv cond level (CCL): 589.37 mb = 4588.60 m = 15054.27 ft Mean mixing ratio: 6.72 g/kg Conv temperature: 39.49 C = 103.08 F Cap Strength: 2.04 C Lifted Index: -1.26 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.20 C Lifted Index @700 mb: 1.74 C Showalter Index: -1.06 C Risk: Thunderstorms probable Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 38.70 C Cross Totals Index: 13.70 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 148.80 Risk: None Energy Index: -1.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.83 J/kg Max Up Vert Vel: 11.12 m/s Conv Inhibition (B-): 195.96 J/kg Cap Strength: 2.04 C Lift Cond Lev (LCL): 608.43 mb = 4327.01 m = 14196.04 ft Lev Free Conv (LFC): 533.43 mb = 5383.20 m = 17661.19 ft Equ Level (EL): 423.43 mb = 7153.39 m = 23468.84 ft B at Equ Level: 61.66 J/kg Max Parcel Lev (MPL): 343.43 mb = 8693.25 m = 28520.80 ft Wind level data Storm motion: 329 at 8 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 ---------------------------------------------------------- 0 940 587 30 12 -6.0 -10.4 | 71 11 -10.1 -3.5 1 925 734 40 18 -11.6 -13.8 | 66 17 -15.7 -6.9 2 907 914 35 21 -12.0 -17.2 | 58 19 -16.1 -10.3 3 850 1493 360 8 -0.0 -8.0 | 75 4 -4.1 -1.1 4 847 1524 5 8 -0.7 -8.0 | 78 5 -4.8 -1.0 5 789 2134 300 10 8.7 -5.0 | 247 5 4.6 1.9 6 736 2743 285 10 9.7 -2.6 | 232 7 5.6 4.3 7 710 3048 300 10 8.7 -5.0 | 247 5 4.6 1.9 8 700 3175 290 9 8.5 -3.1 | 229 6 4.4 3.9 9 635 3962 300 10 8.7 -5.0 | 247 5 4.6 1.9 10 611 4267 285 6 5.8 -1.6 | 198 6 1.7 5.4 11 546 5182 240 10 8.7 5.0 | 201 13 4.6 11.9 12 526 5486 245 12 10.9 5.1 | 210 14 6.8 12.0 13 500 5890 270 12 12.0 -0.0 | 229 11 7.9 6.9 14 449 6706 305 14 11.5 -8.0 | 278 7 7.4 -1.1 15 431 7010 290 14 13.2 -4.8 | 257 9 9.1 2.1 16 400 7580 265 22 21.9 1.9 | 244 20 17.8 8.8 17 398 7620 265 21 20.9 1.8 | 243 19 16.8 8.8 18 351 8534 300 26 22.5 -13.0 | 288 19 18.4 -6.1 19 336 8839 285 31 29.9 -8.0 | 272 26 25.9 -1.1 20 322 9144 295 38 34.4 -16.1 | 287 32 30.4 -9.1 21 300 9660 290 39 36.6 -13.3 | 281 33 32.6 -6.4 22 283 10058 295 38 34.4 -16.1 | 287 32 30.4 -9.1 23 271 10363 275 43 42.8 -3.7 | 265 39 38.8 3.2 24 250 10920 280 46 45.3 -8.0 | 271 41 41.2 -1.1 25 200 12390 275 67 66.7 -5.8 | 269 63 62.7 1.1 26 178 13132 265 79 78.7 6.9 | 260 76 74.6 13.8 27 170 13411 265 79 78.7 6.9 | 260 76 74.6 13.8 28 150 14190 270 77 77.0 -0.0 | 265 73 72.9 6.9 29 126 15240 270 72 72.0 -0.0 | 264 68 67.9 6.9 30 113 15850 275 52 51.8 -4.5 | 267 48 47.7 2.4 31 102 16459 250 35 32.9 12.0 | 237 34 28.8 18.9 32 100 16590 275 23 22.9 -2.0 | 255 19 18.8 4.9 33 97 16764 275 23 22.9 -2.0 | 255 19 18.8 4.9 34 87 17384 290 32 30.1 -10.9 | 279 26 26.0 -4.0 35 70 18620 305 4 3.3 -2.3 | 170 5 -0.8 4.6 36 50 20630 40 3 -1.9 -2.3 | 128 8 -6.0 4.6 Wind Parameters Mean winds (0-6000m): 299.5 at 10.7 knts Storm direction: 329.5 at 8.0 knts Shear (0-3000m) pos: 0.2 neg: 2.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 166.6 deg Storm rel helicity (0-3000m) pos: 6.8 neg: -31.7 tot: -24.9 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.99 Bulk Shear: 62.68 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 34 18 61 16| 0.0 5.5 5.5| 0.0 -22.8 -22.8 -45.7 -0.37| 14.7 -5.4 1000 29 15 61 13| 0.0 3.4 3.4| 3.8 -24.1 -20.4 -20.4 -0.14| 12.9 -1.7 1500 16 13 55 9| 0.0 5.1 5.1| 3.8 -27.0 -23.2 -15.5 -0.27| 11.6 -3.2 2000 1 12 39 7| 0.0 4.4 4.4| 3.8 -29.2 -25.5 -12.7 -0.30| 9.4 -2.8 2500 347 12 18 5| 0.3 3.5 3.8| 5.6 -30.1 -24.5 -9.8 -0.26| 8.1 -2.1 3000 337 11 355 3| 0.2 2.9 3.2| 6.8 -31.7 -24.9 -8.3 -0.25| 7.1 -1.8 4000 325 10 311 3| 0.2 2.4 2.5| 9.1 -37.4 -28.4 -7.1 -0.27| 6.3 -1.7 5000 308 10 261 4| 0.2 2.3 2.5| 19.8 -40.2 -20.4 -4.1 -0.19| 5.9 -1.2 6000 299 11 253 6| 1.1 1.9 2.9| 44.5 -40.2 4.3 0.7 -0.03| 5.9 -0.2 Wrote GIF file: /home/apache/climate/data/raob//Y4461/skewt/Y4461.skewt.20251209.11.gif