UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101811.upa.cvt Date: 1100Z 18 OCT 25 Searching for Y4461... Searching the city database file for: Y4461 ... Date:1100Z 18 OCT 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 36 SFC 942 583 34.0 1.0 12 33.0 15.1 360 5 312.4 313.3 290.6 326.2 4.36 2 938 622 37.4 -0.6 9 38.0 15.8 358 6 316.3 317.0 291.4 328.8 3.90 3 925 751 36.4 -0.6 10 37.0 15.4 350 11 316.5 317.3 291.5 329.3 3.95 4 920 800 36.2 -0.8 10 37.0 15.2 350 11 316.8 317.6 291.6 329.5 3.92 5 850 1511 29.4 -1.6 13 31.0 12.2 5 13 316.9 317.7 291.7 329.8 4.00 6 700 3189 13.2 -3.8 30 17.0 4.5 25 13 317.1 317.9 291.8 330.4 4.12 7 689 3322 11.8 -4.2 32 16.0 3.7 37 12 317.0 317.8 291.7 330.1 4.07 8 560 5005 -4.5 -6.6 85 2.1 -5.5 18 13 317.1 317.9 291.9 330.5 4.17 9 559 5019 -4.7 -7.8 79 3.1 -6.1 17 13 317.0 317.8 291.5 329.3 3.80 10 555 5075 -3.1 -22.1 21 19.0 -9.1 13 13 319.6 319.8 289.9 323.6 1.17 11 551 5133 -2.1 -35.1 6 33.0 -9.9 9 12 321.4 321.5 289.6 322.7 0.35 12 514 5683 -4.5 -46.5 2 42.0 -12.1 332 10 325.0 325.0 290.4 325.4 0.11 13 500 5900 -5.3 -39.3 5 34.0 -12.5 325 15 326.6 326.6 291.0 327.5 0.25 14 480 6219 -6.9 -33.9 10 27.0 -13.3 325 21 328.4 328.5 291.7 330.1 0.45 15 400 7610 -17.1 -42.1 9 25.0 -21.1 320 10 332.8 332.8 292.7 333.7 0.24 16 355 8495 -23.9 -53.9 5 30.0 -26.9 311 18 335.2 335.2 293.2 335.5 0.07 17 339 8832 -25.1 -53.1 6 28.0 -27.9 322 23 338.0 338.0 293.9 338.3 0.08 18 309 9500 -30.3 -43.3 27 13.0 -31.9 338 26 339.8 339.8 294.5 340.9 0.27 19 300 9710 -31.7 -47.7 19 16.0 -33.3 340 25 340.7 340.7 294.7 341.4 0.17 20 275 10317 -36.7 -52.7 18 16.0 -37.8 349 31 342.1 342.1 294.9 342.5 0.10 21 252 10916 -39.7 -59.7 10 20.0 -40.7 323 25 346.3 346.3 295.8 346.5 0.05 22 250 10970 -40.3 -60.3 10 20.0 -41.3 320 24 346.2 346.2 295.8 346.3 0.05 23 200 12450 -52.9 -65.9 19 13.0 -53.2 310 24 349.0 349.0 296.4 349.1 0.03 24 179 13153 -59.5 -68.5 30 9.0 -59.6 294 23 349.5 349.5 296.5 349.5 0.02 25 160 13847 -63.7 -78.7 11 15.0 -63.8 299 15 353.8 353.8 297.4 353.8 0.01 26 150 14240 -66.3 -79.3 15 13.0 -66.4 300 12 355.9 355.9 297.9 355.9 0.00 27 120 15565 -75.5 -83.5 27 8.0 -75.5 280 25 362.5 362.5 299.2 362.5 0.00 28 100 16620 -76.3 -86.3 19 10.0 -76.3 355 10 380.3 380.3 302.3 380.3 0.00 29 78 18046 -79.3 -88.3 21 9.0 -79.3 267 5 402.1 402.1 305.5 402.1 0.00 30 70 18670 -74.5 -89.5 8 15.0 -74.6 225 2 425.0 425.0 308.3 425.0 0.00 31 64 19199 -69.5 -90.5 3 21.0 -69.6 193 4 447.0 447.0 310.6 447.0 0.00 32 50 20690 -64.9 -90.9 2 26.0 -65.2 105 11 490.5 490.5 314.2 490.6 0.00 33 42 21766 -60.7 -88.7 1 28.0 -61.3 107 17 526.0 526.0 316.7 526.0 0.00 34 32 23457 -61.3 -89.3 1 28.0 -62.0 109 27 567.0 567.0 319.0 567.0 0.00 35 30 23860 -59.1 -89.1 1 30.0 -60.1 110 29 583.5 583.5 319.8 583.6 0.00 36 27 24525 -56.3 -87.3 1 31.0 -57.8 609.2 609.2 321.0 609.3 0.01 37 22 25830 -54.9 -86.9 1 32.0 -57.0 650.2 650.2 322.7 650.2 0.01 TRP 120 15565 -75.5 -83.5 27 8.0 -75.5 280 25 362.5 362.5 299.2 362.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5864.00 m Freezing level: 595.61 mb = 4539.99 m = 14894.80 ft Wetbulb zero: 637.29 mb = 3955.09 m = 12975.85 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 30.06 % Est. max temperature: 38.59 C = 101.46 F Sfc-Lift cond lev (LCL): 582.00 mb = 4691.83 m = 15392.96 ft T: -1.47 C 700-500 lapse rate: 6.82 C/km Conv cond level (CCL): 454.61 mb = 6633.30 m = 21762.54 ft Mean mixing ratio: 3.96 g/kg Conv temperature: 51.04 C = 123.87 F Cap Strength: 5.62 C Lifted Index: 6.16 C Risk: None Lifted Index @300 mb: 8.94 C Lifted Index @700 mb: 0.34 C Showalter Index: 5.99 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 34.70 C Cross Totals Index: 3.70 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.21 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 27167.68 J/kg Cap Strength: 5.79 C Lift Cond Lev (LCL): 538.74 mb = 5310.85 m = 17423.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 37 at 10 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 ---------------------------------------------------------- 0 942 583 360 5 -0.0 -5.0 | 243 7 5.9 3.0 1 925 751 350 11 1.9 -10.8 | 290 8 7.9 -2.8 2 908 914 350 12 2.1 -11.8 | 295 9 8.0 -3.8 3 850 1511 5 13 -1.1 -13.0 | 316 7 4.8 -5.0 4 849 1524 10 13 -2.3 -12.8 | 323 6 3.7 -4.8 5 791 2134 5 13 -1.1 -13.0 | 316 7 4.8 -5.0 6 764 2438 40 15 -9.6 -11.5 | 47 5 -3.7 -3.5 7 737 2743 20 14 -4.8 -13.2 | 347 5 1.2 -5.2 8 712 3048 30 12 -6.0 -10.4 | 1 2 -0.1 -2.4 9 700 3189 25 13 -5.5 -11.8 | 353 4 0.4 -3.8 10 686 3353 40 12 -7.7 -9.2 | 56 2 -1.8 -1.2 11 612 4267 30 12 -6.0 -10.4 | 1 2 -0.1 -2.4 12 568 4877 25 14 -5.9 -12.7 | 360 5 0.0 -4.7 13 526 5486 345 9 2.3 -8.7 | 275 8 8.3 -0.7 14 507 5791 325 10 5.7 -8.2 | 271 12 11.7 -0.2 15 500 5900 325 15 8.6 -12.3 | 286 15 14.5 -4.3 16 468 6401 325 24 13.8 -19.7 | 301 23 19.7 -11.7 17 433 7010 330 17 8.5 -14.7 | 295 16 14.4 -6.7 18 400 7610 320 10 6.4 -7.7 | 268 12 12.4 0.3 19 399 7620 345 11 2.8 -10.6 | 287 9 8.8 -2.6 20 383 7925 320 10 6.4 -7.7 | 268 12 12.4 0.3 21 352 8534 310 19 14.6 -12.2 | 282 21 20.5 -4.2 22 324 9144 335 27 11.4 -24.5 | 314 24 17.4 -16.5 23 300 9710 340 25 8.6 -23.5 | 317 21 14.5 -15.5 24 273 10363 350 31 5.4 -30.5 | 333 25 11.3 -22.5 25 250 10970 320 24 15.4 -18.4 | 296 24 21.4 -10.4 26 250 10973 320 20 12.9 -15.3 | 291 20 18.8 -7.3 27 208 12192 325 24 13.8 -19.7 | 301 23 19.7 -11.7 28 200 12450 310 24 18.4 -15.4 | 287 25 24.3 -7.4 29 199 12497 315 27 19.1 -19.1 | 294 27 25.0 -11.1 30 171 13411 285 21 20.3 -5.4 | 264 26 26.2 2.6 31 155 14021 305 13 10.6 -7.5 | 268 17 16.6 0.5 32 150 14240 300 12 10.4 -6.0 | 263 16 16.3 2.0 33 140 14630 285 11 10.6 -2.8 | 253 17 16.6 5.2 34 133 14935 295 22 19.9 -9.3 | 273 26 25.9 -1.3 35 120 15545 280 34 33.5 -5.9 | 267 39 39.4 2.1 36 120 15565 280 25 24.6 -4.3 | 263 31 30.6 3.7 37 114 15850 275 30 29.9 -2.6 | 261 36 35.8 5.4 38 103 16459 315 15 10.6 -10.6 | 279 17 16.5 -2.6 39 100 16620 355 10 0.9 -10.0 | 286 7 6.8 -2.0 40 98 16764 355 10 0.9 -10.0 | 286 7 6.8 -2.0 41 70 18670 225 2 1.4 1.4 | 218 12 7.4 9.4 42 50 20690 105 11 -10.6 2.8 | 157 12 -4.7 10.8 43 30 23860 110 29 -27.3 9.9 | 130 28 -21.3 17.9 Wind Parameters Mean winds (0-6000m): 6.6 at 13.3 knts Storm direction: 36.6 at 10.0 knts Shear (0-3000m) pos: 1.9 neg: 1.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 158.6 deg Storm rel helicity (0-3000m) pos: 31.9 neg: -6.8 tot: 25.0 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.87 Bulk Shear: 2.25 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 ------------------------------------------------------------------------------- 500 352 11 288 8| 0.0 7.5 7.5| 13.9 0.0 13.9 27.7 0.91| 8.3 7.5 1000 357 12 299 7| 1.8 3.8 5.5| 19.1 0.0 19.1 19.1 0.87| 5.9 5.2 1500 1 12 305 7| 1.2 2.6 3.8| 19.1 -1.1 18.0 12.0 0.75| 4.3 3.2 2000 8 13 317 6| 2.5 2.0 4.4| 29.3 -3.2 26.1 13.0 0.68| 5.7 3.9 2500 11 13 323 6| 2.0 1.4 3.3| 29.9 -6.3 23.6 9.4 0.50| 5.5 2.8 3000 15 13 329 5| 1.9 1.1 3.0| 31.9 -6.8 25.0 8.3 0.49| 5.5 2.7 4000 20 13 336 4| 1.4 1.2 2.6| 31.9 -7.7 24.2 6.0 0.41| 4.4 1.8 5000 18 12 332 4| 1.1 1.6 2.7| 31.9 -21.6 10.3 2.1 0.11| 4.7 0.5 6000 7 13 320 7| 0.8 2.1 2.9| 65.9 -24.5 41.4 6.9 0.19| 5.5 1.1 Wrote GIF file: /home/apache/climate/data/raob//Y4461/skewt/Y4461.skewt.20251018.11.gif