UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:2300Z 9 DEC 25 Station: YBRM WMO ident: 94203 Latitude: -17.95 Longitude: 122.23 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1009 9 30.0 25.8 78 4.2 26.9 50 9 302.4 306.3 299.7 365.2 21.16 1 1000 89 28.4 25.0 82 3.4 25.9 60 9 301.5 305.3 299.0 361.7 20.33 2 961 443 25.2 24.2 94 1.0 24.5 21 12 301.8 305.5 299.0 361.4 20.16 3 951 535 24.4 23.8 96 0.6 24.0 16 11 301.9 305.5 298.8 360.7 19.88 4 925 779 23.0 21.8 93 1.2 22.2 360 7 302.8 306.2 298.0 356.4 18.05 5 921 817 22.8 21.5 92 1.3 21.9 360 7 303.0 306.3 297.8 355.8 17.80 6 916 864 22.6 20.1 86 2.5 20.8 360 8 303.3 306.3 297.0 351.9 16.38 7 909 931 23.0 18.0 73 5.0 19.5 2 8 304.3 307.0 296.0 347.3 14.43 8 904 980 24.6 4.6 27 20.0 13.0 8 9 306.5 307.6 290.1 324.4 5.88 9 895 1068 25.4 4.4 26 21.0 13.1 18 11 308.2 309.3 290.6 326.2 5.86 10 888 1137 24.8 13.8 50 11.0 17.4 25 12 308.2 310.4 294.8 342.3 11.24 11 873 1286 23.6 13.6 53 10.0 16.9 36 13 308.5 310.6 295.0 342.7 11.28 12 850 1519 21.8 13.8 60 8.0 16.4 40 14 309.0 311.2 295.4 344.7 11.75 13 700 3174 10.6 5.7 72 4.9 7.6 110 19 314.2 315.8 294.3 339.9 8.24 14 648 3811 5.6 3.5 86 2.1 4.4 116 24 315.6 317.0 294.2 339.5 7.62 15 639 3925 5.0 -2.0 60 7.0 1.4 117 24 316.2 317.2 292.4 332.7 5.17 16 623 4131 3.2 -1.8 70 5.0 0.6 119 26 316.4 317.4 292.7 333.6 5.39 17 579 4721 -0.5 -9.5 51 9.0 -4.4 116 35 318.8 319.4 291.5 329.3 3.21 18 545 5202 -3.1 -4.3 91 1.2 -3.7 104 29 321.2 322.2 293.8 337.8 5.11 19 512 5694 -6.1 -6.2 99 0.1 -6.1 82 17 323.4 324.3 294.0 338.9 4.70 20 510 5725 -6.3 -6.6 98 0.3 -6.4 83 17 323.5 324.4 294.0 338.6 4.58 21 504 5818 -5.7 -10.0 72 4.3 -7.6 84 16 325.3 326.1 293.6 337.2 3.55 22 500 5880 -6.1 -10.1 73 4.0 -7.8 80 13 325.6 326.3 293.7 337.5 3.55 23 483 6151 -8.3 -10.6 83 2.3 -9.3 66 13 326.1 326.8 293.8 338.0 3.53 24 467 6413 -8.3 -13.3 67 5.0 -10.3 20 15 329.3 329.9 294.1 339.3 2.94 25 465 6447 -7.9 -18.9 41 11.0 -11.8 19 15 330.2 330.6 293.5 336.7 1.85 26 452 6668 -8.5 -27.5 20 19.0 -13.8 16 12 332.1 332.3 293.2 335.4 0.88 27 447 6754 -8.1 -44.1 4 36.0 -14.9 11 11 333.7 333.7 292.9 334.4 0.17 28 446 6772 -8.1 -44.1 4 36.0 -14.9 10 11 333.9 333.9 292.9 334.6 0.17 29 400 7610 -14.3 -47.3 4 33.0 -19.4 310 10 336.4 336.4 293.6 336.9 0.13 30 353 8545 -21.5 -53.5 4 32.0 -25.1 295 13 338.9 339.0 294.1 339.3 0.07 31 334 8952 -22.9 -53.9 4 31.0 -26.2 302 16 342.4 342.5 295.0 342.8 0.07 32 300 9730 -28.7 -58.7 4 30.0 -31.1 275 21 344.9 344.9 295.6 345.1 0.05 33 295 9849 -29.3 -59.3 4 30.0 -31.6 278 21 345.7 345.8 295.7 345.9 0.04 34 250 11000 -39.5 -62.5 7 23.0 -40.6 270 17 347.3 347.3 296.1 347.5 0.03 35 200 12490 -52.1 -67.1 15 15.0 -52.4 295 17 350.3 350.3 296.7 350.4 0.02 36 197 12588 -52.7 -67.7 15 15.0 -53.0 295 17 350.8 350.8 296.8 350.9 0.02 37 185 12990 -56.5 -66.5 27 10.0 -56.7 283 18 351.0 351.0 296.9 351.2 0.03 38 150 14290 -66.7 -71.5 51 4.8 -66.7 275 20 355.2 355.2 297.7 355.3 0.02 39 112 15995 -79.7 -87.7 25 8.0 -79.7 267 22 361.8 361.8 299.1 361.8 0.00 40 100 16630 -82.9 -89.9 29 7.0 -82.9 270 20 367.6 367.6 300.1 367.6 0.00 41 92 17092 -84.7 -90.7 34 6.0 -84.7 245 4 372.9 372.9 301.1 372.9 0.00 42 81 17793 -85.1 -91.1 33 6.0 -85.1 175 11 385.9 385.9 303.2 385.9 0.00 43 76 18148 -80.5 -89.5 21 9.0 -80.5 140 14 402.6 402.6 305.6 402.6 0.00 44 72 18451 -81.9 -89.9 24 8.0 -81.9 110 17 405.9 405.9 306.0 405.9 0.00 45 70 18610 -78.9 -88.9 18 10.0 -78.9 95 18 415.6 415.6 307.2 415.6 0.00 46 55 20030 -66.9 -89.9 3 23.0 -67.1 95 19 472.8 472.8 312.8 472.8 0.00 47 50 20610 -65.5 -90.5 2 25.0 -65.8 95 19 489.1 489.1 314.1 489.1 0.00 48 44 21386 -66.7 -91.7 2 25.0 -67.0 90 24 504.4 504.4 315.2 504.4 0.00 49 41 21820 -61.5 -90.5 1 29.0 -62.1 87 27 527.7 527.7 316.8 527.7 0.00 50 38 22289 -63.3 -91.3 1 28.0 -63.8 84 30 534.7 534.7 317.2 534.7 0.00 51 32 23347 -63.3 -91.3 1 28.0 -63.9 78 36 561.6 561.6 318.7 561.6 0.00 52 31 23544 -58.9 -89.9 1 31.0 -59.9 76 38 578.6 578.6 319.6 578.6 0.00 53 30 23750 -59.1 -90.1 1 31.0 -60.1 75 39 583.5 583.5 319.8 583.5 0.00 54 20 26330 -53.7 -87.7 1 34.0 -56.2 90 42 671.8 671.8 323.5 671.9 0.01 55 19 26659 -54.3 -88.3 1 34.0 -56.8 93 42 679.9 679.9 323.7 679.9 0.01 56 14 28654 -46.1 -85.1 0 39.0 -52.1 108 41 769.7 769.7 326.5 769.9 0.02 57 11 30250 -48.3 -86.3 0 38.0 -54.2 120 41 816.7 816.7 327.7 816.9 0.02 58 10 30880 -46.5 -85.5 0 39.0 -53.5 125 41 846.0 846.0 328.3 846.2 0.03 59 9.2 31431 -48.3 -86.3 0 38.0 -54.8 859.5 859.5 328.6 859.7 0.02 60 7.4 32881 -43.5 -83.5 0 40.0 -53.3 934.3 934.3 330.1 934.8 0.05 TRP 92 17092 -84.7 -90.7 34 6.0 -84.7 245 4 372.9 372.9 301.1 372.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 584.95 mb = 4641.12 m = 15226.58 ft Wetbulb zero: 617.71 mb = 4199.80 m = 13778.69 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 72.35 % Est. max temperature: 36.44 C = 97.59 F Sfc-Lift cond lev (LCL): 950.13 mb = 543.21 m = 1782.17 ft T: 24.35 C 700-500 lapse rate: 6.17 C/km ThetaE index: 40.76 C Layer 1000.0- 895.0 mb Conv cond level (CCL): 922.00 mb = 807.37 m = 2648.83 ft Mean mixing ratio: 19.31 g/kg Conv temperature: 30.58 C = 87.05 F Cap Strength: 3.76 C Lifted Index: -6.30 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.17 C Lifted Index @700 mb: -2.43 C Showalter Index: -1.20 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 19.90 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 206.60 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2365.97 J/kg Max Up Vert Vel: 68.79 m/s Conv Inhibition (B-): 79.57 J/kg Cap Strength: 3.64 C Lift Cond Lev (LCL): 932.94 mb = 703.82 m = 2309.10 ft Lev Free Conv (LFC): 777.94 mb = 2274.14 m = 7461.00 ft Equ Level (EL): 117.94 mb = 15693.50 m = 51487.23 ft B at Equ Level: 2347.80 J/kg Max Parcel Lev (MPL): 67.94 mb = 18786.06 m = 61633.31 ft Wind level data Storm motion: 123 at 13 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 1009 9 50 9 -6.9 -5.8 | 341 14 4.4 -13.1 1 1000 89 60 9 -7.8 -4.5 | 343 12 3.5 -11.8 2 976 305 30 14 -7.0 -12.1 | 347 20 4.3 -19.4 3 925 779 360 7 -0.0 -7.0 | 322 18 11.3 -14.3 4 911 914 360 8 -0.0 -8.0 | 323 19 11.3 -15.3 5 880 1219 35 13 -7.5 -10.6 | 348 18 3.9 -17.9 6 850 1519 40 14 -9.0 -10.7 | 353 18 2.3 -18.0 7 820 1829 35 11 -6.3 -9.0 | 343 17 5.0 -16.3 8 791 2134 55 11 -9.0 -6.3 | 350 14 2.3 -13.6 9 763 2438 50 11 -8.4 -7.1 | 349 15 2.9 -14.4 10 736 2743 105 9 -8.7 2.3 | 332 6 2.6 -5.0 11 700 3174 110 19 -17.9 6.5 | 83 7 -6.5 -0.8 12 611 4267 120 27 -23.4 13.5 | 117 14 -12.1 6.2 13 566 4877 115 38 -34.4 16.1 | 111 25 -23.1 8.8 14 545 5182 105 29 -28.0 7.5 | 91 17 -16.7 0.2 15 525 5486 75 16 -15.5 -4.1 | 20 12 -4.1 -11.4 16 506 5791 85 17 -16.9 -1.5 | 33 10 -5.6 -8.8 17 500 5880 80 13 -12.8 -2.3 | 9 10 -1.5 -9.5 18 486 6096 75 13 -12.6 -3.4 | 7 11 -1.2 -10.6 19 468 6401 20 15 -5.1 -14.1 | 344 22 6.2 -21.4 20 449 6706 15 12 -3.1 -11.6 | 337 21 8.2 -18.9 21 416 7315 320 3 1.9 -2.3 | 306 16 13.2 -9.6 22 400 7610 310 10 7.7 -6.4 | 306 23 19.0 -13.7 23 399 7620 295 10 9.1 -4.2 | 299 23 20.4 -11.5 24 383 7925 315 10 7.1 -7.1 | 308 23 18.4 -14.4 25 353 8534 295 13 11.8 -5.5 | 299 26 23.1 -12.8 26 325 9144 305 18 14.7 -10.3 | 304 31 26.1 -17.6 27 300 9730 275 21 20.9 -1.8 | 286 33 32.2 -9.1 28 299 9754 275 21 20.9 -1.8 | 286 33 32.2 -9.1 29 262 10668 300 18 15.6 -9.0 | 301 31 26.9 -16.3 30 250 11000 270 17 17.0 -0.0 | 284 29 28.3 -7.3 31 240 11278 265 18 17.9 1.6 | 281 30 29.2 -5.7 32 219 11887 290 13 12.2 -4.4 | 297 26 23.5 -11.7 33 209 12192 305 20 16.4 -11.5 | 304 33 27.7 -18.8 34 200 12490 295 17 15.4 -7.2 | 298 30 26.7 -14.5 35 190 12802 295 16 14.5 -6.8 | 299 29 25.8 -14.0 36 173 13411 255 23 22.2 6.0 | 272 34 33.5 -1.3 37 157 14021 275 20 19.9 -1.7 | 286 33 31.2 -9.0 38 150 14290 275 20 19.9 -1.7 | 286 33 31.2 -9.0 39 141 14630 275 20 19.9 -1.7 | 286 33 31.2 -9.0 40 134 14935 270 26 26.0 -0.0 | 281 38 37.3 -7.3 41 114 15850 250 25 23.5 8.6 | 268 35 34.8 1.3 42 109 16154 290 18 16.9 -6.2 | 295 31 28.2 -13.4 43 100 16630 270 20 20.0 -0.0 | 283 32 31.3 -7.3 44 98 16764 270 20 20.0 -0.0 | 283 32 31.3 -7.3 45 92 17092 245 4 3.6 1.7 | 291 16 14.9 -5.6 46 70 18610 95 18 -17.9 1.6 | 49 9 -6.6 -5.7 47 50 20610 95 19 -18.9 1.7 | 54 9 -7.6 -5.6 48 30 23750 75 39 -37.7 -10.1 | 57 32 -26.4 -17.4 49 20 26330 90 42 -42.0 0.0 | 77 32 -30.7 -7.3 50 10 30880 125 41 -33.6 23.5 | 126 28 -22.3 16.2 Wind Parameters Mean winds (0-6000m): 92.8 at 17.9 knts Storm direction: 122.8 at 13.5 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 70.1 neg: -62.4 tot: 7.7 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 0.9 10^-3/s Energy-Hel index: 0.90 Bulk Rich Number: 77.64 Bulk Shear: 30.48 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 36 12 345 17| 0.0 6.1 6.1| 6.4 -22.8 -16.5 -32.9 -0.21| 12.8 -2.8 1000 25 10 336 18| 0.0 3.2 3.2| 20.1 -45.3 -25.2 -25.2 -0.22| 10.3 -2.3 1500 28 11 340 18| 2.5 2.1 4.6| 56.1 -45.3 10.7 7.1 0.10| 9.4 1.0 2000 31 11 342 18| 1.7 1.6 3.3| 60.7 -58.2 2.5 1.3 0.04| 8.4 0.3 2500 36 11 343 17| 1.8 1.3 3.1| 64.9 -59.3 5.6 2.2 0.05| 7.6 0.4 3000 44 11 347 16| 3.2 1.1 4.3| 70.1 -62.4 7.7 2.6 0.11| 8.5 0.9 4000 74 14 10 11| 3.8 0.8 4.6| 84.2 -62.4 21.8 5.4 0.21| 7.8 1.6 5000 93 17 44 9| 3.6 0.7 4.3| 87.9 -91.4 -3.5 -0.7 0.11| 8.0 0.9 6000 93 18 46 9| 2.9 2.4 5.3| 92.8-181.2 -88.4 -14.7 -0.13| 9.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251209.23.gif