UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121823.upa.cvt Date: 2300Z 18 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:2300Z 18 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 1006 9 31.4 25.4 71 6.0 26.9 270 6 304.0 307.9 299.8 365.9 20.71 1 1000 63 29.8 24.8 75 5.0 26.0 275 7 303.0 306.7 299.2 362.6 20.08 2 988 171 28.2 24.7 81 3.5 25.6 264 8 302.4 306.1 299.1 362.3 20.21 3 925 754 23.6 21.2 86 2.4 21.9 285 11 303.4 306.7 297.7 355.1 17.39 4 920 802 23.0 20.9 88 2.1 21.5 285 11 303.3 306.5 297.5 354.2 17.15 5 898 1013 21.8 18.5 82 3.3 19.5 299 11 304.2 307.0 296.4 349.1 15.09 6 890 1091 22.8 13.8 57 9.0 16.8 309 11 306.0 308.1 294.2 339.7 11.21 7 863 1360 20.8 15.8 73 5.0 17.4 347 9 306.6 309.1 295.8 346.3 13.20 8 850 1492 20.8 12.8 60 8.0 15.5 5 8 307.9 310.0 294.6 341.2 10.99 9 803 1983 19.8 5.8 40 14.0 11.4 75 10 311.9 313.3 292.9 334.3 7.22 10 757 2487 16.2 1.2 36 15.0 7.8 110 18 313.3 314.4 291.9 330.7 5.52 11 700 3147 11.2 -5.8 30 17.0 2.9 105 26 314.9 315.6 290.6 326.3 3.54 12 682 3364 9.4 -8.6 27 18.0 1.2 104 28 315.2 315.8 290.2 324.7 2.93 13 572 4792 -2.7 -10.7 54 8.0 -6.0 96 30 317.3 317.9 290.9 327.0 2.96 14 560 4960 -4.1 -8.7 70 4.6 -6.1 100 24 317.6 318.3 291.5 329.1 3.54 15 547 5145 -4.7 -5.2 96 0.5 -5.0 116 11 319.0 319.9 292.9 334.4 4.75 16 531 5379 -5.9 -12.9 58 7.0 -8.7 119 12 320.3 320.8 291.5 329.2 2.67 17 529 5408 -5.7 -27.7 16 22.0 -11.6 118 13 320.9 321.0 289.8 323.5 0.74 18 526 5453 -5.7 -29.7 13 24.0 -11.8 118 14 321.4 321.5 289.9 323.6 0.62 19 525 5468 -5.5 -28.5 14 23.0 -11.5 118 15 321.8 321.9 290.0 324.3 0.69 20 520 5543 -5.5 -30.5 12 25.0 -11.8 117 16 322.7 322.8 290.2 324.8 0.58 21 514 5634 -6.3 -11.0 69 4.7 -8.2 117 19 322.8 323.4 292.7 333.5 3.21 22 505 5772 -6.9 -10.8 74 3.9 -8.5 116 22 323.7 324.4 293.0 334.8 3.32 23 500 5850 -7.1 -17.1 45 10.0 -10.6 115 24 324.4 324.8 292.0 331.2 2.00 24 495 5928 -7.3 -40.3 5 33.0 -13.7 115 24 325.1 325.1 290.6 325.9 0.23 25 489 6022 -7.7 -34.7 9 27.0 -13.7 115 25 325.7 325.8 290.9 327.2 0.41 26 488 6038 -8.1 -21.1 34 13.0 -12.2 115 25 325.4 325.7 291.9 330.5 1.46 27 478 6198 -9.3 -13.6 71 4.3 -11.0 117 23 325.9 326.4 293.2 335.3 2.80 28 464 6426 -9.9 -24.9 28 15.0 -14.2 119 20 327.9 328.1 292.2 331.8 1.09 29 453 6610 -11.1 -19.1 52 8.0 -13.7 110 19 328.7 329.0 293.1 335.1 1.86 30 432 6971 -12.9 -22.9 43 10.0 -15.9 105 15 330.9 331.1 293.3 335.9 1.40 31 412 7329 -15.5 -30.5 26 15.0 -19.0 106 10 332.0 332.2 293.0 334.7 0.73 32 400 7550 -17.7 -30.7 31 13.0 -20.6 130 12 332.0 332.1 293.0 334.7 0.74 33 384 7854 -20.7 -31.7 37 11.0 -22.9 141 15 331.9 332.1 292.9 334.5 0.70 34 363 8269 -23.3 -50.3 7 27.0 -26.3 152 23 333.8 333.9 292.9 334.3 0.11 35 357 8391 -23.1 -59.1 2 36.0 -26.3 156 25 335.7 335.7 293.3 335.9 0.04 36 312 9369 -28.3 -64.3 2 36.0 -30.7 156 46 341.6 341.6 294.7 341.7 0.02 37 300 9650 -30.5 -62.5 3 32.0 -32.6 155 52 342.4 342.4 294.9 342.5 0.03 38 250 10920 -39.9 -65.9 5 26.0 -41.0 180 54 346.7 346.8 295.9 346.8 0.02 39 225 11632 -45.7 -69.7 5 24.0 -46.4 175 53 348.5 348.5 296.3 348.5 0.01 40 200 12410 -50.5 -75.5 4 25.0 -51.0 175 51 352.8 352.8 297.3 352.8 0.01 41 186 12879 -54.1 -78.1 4 24.0 -54.4 180 50 354.4 354.4 297.5 354.4 0.00 42 158 13902 -63.1 -82.1 6 19.0 -63.2 182 48 356.0 356.0 297.9 356.1 0.00 43 150 14220 -64.9 -84.9 5 20.0 -65.0 180 48 358.3 358.3 298.4 358.3 0.00 44 115 15788 -76.9 -84.9 27 8.0 -76.9 177 36 364.3 364.3 299.5 364.3 0.00 45 114 15838 -76.9 -84.9 27 8.0 -76.9 179 35 365.2 365.2 299.7 365.2 0.00 46 100 16590 -76.5 -86.5 19 10.0 -76.5 125 20 379.9 379.9 302.2 379.9 0.00 47 74 18305 -81.5 -90.5 20 9.0 -81.5 90 19 403.6 403.6 305.7 403.6 0.00 48 70 18620 -78.9 -89.9 15 11.0 -78.9 100 27 415.6 415.6 307.2 415.6 0.00 49 58 19700 -74.9 -89.9 8 15.0 -75.0 114 26 447.6 447.6 310.6 447.6 0.00 50 56 19903 -75.7 -90.7 8 15.0 -75.7 117 26 450.3 450.3 310.9 450.3 0.00 51 50 20570 -68.5 -92.5 2 24.0 -68.7 125 26 482.1 482.1 313.6 482.1 0.00 52 45 21201 -68.1 -92.1 2 24.0 -68.3 113 27 497.8 497.8 314.8 497.8 0.00 53 42 21619 -63.7 -91.7 1 28.0 -64.1 105 28 518.6 518.6 316.2 518.6 0.00 54 33 23105 -61.3 -90.3 1 29.0 -62.0 76 32 562.0 562.0 318.8 562.0 0.00 55 30 23700 -58.5 -89.5 1 31.0 -59.6 65 33 585.2 585.2 319.9 585.2 0.00 56 25 24859 -53.5 -87.5 1 34.0 -55.6 78 32 630.8 630.8 321.9 630.9 0.01 57 20 26300 -51.9 -85.9 1 34.0 -54.9 95 31 677.3 677.3 323.7 677.4 0.01 58 18 26988 -50.7 -85.7 1 35.0 -54.2 98 33 701.8 701.8 324.5 701.9 0.01 59 15 28175 -52.5 -86.5 1 34.0 -55.9 103 38 733.4 733.4 325.4 733.5 0.01 60 12 29633 -49.1 -86.1 1 37.0 -54.4 110 43 793.8 793.8 327.1 793.9 0.02 61 11 30212 -43.9 -83.9 0 40.0 -51.8 112 45 832.7 832.7 328.0 833.0 0.03 62 10 30850 -46.3 -84.3 1 38.0 -53.4 115 47 846.7 846.7 328.3 847.0 0.03 63 9.8 30984 -46.9 -84.9 1 38.0 -53.8 849.4 849.4 328.4 849.6 0.03 64 9.0 31551 -44.6 -84.0 0 39.4 -52.9 100 65 879.1 879.1 329.0 879.5 0.04 65 8.7 31779 -43.7 -83.7 0 40.0 -52.7 891.2 891.2 329.2 891.6 0.04 TRP 74 18305 -81.5 -90.5 20 9.0 -81.5 90 19 403.6 403.6 305.7 403.6 0.00 WND 9.0 31551 -44.6 -84.0 0 39.4 -52.9 100 65 879.1 879.1 329.0 879.5 0.04 Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 596.55 mb = 4473.30 m = 14675.99 ft Wetbulb zero: 663.81 mb = 3583.34 m = 11756.21 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 52.74 % Est. max temperature: 34.69 C = 94.45 F Sfc-Lift cond lev (LCL): 923.01 mb = 772.91 m = 2535.76 ft T: 23.36 C 700-500 lapse rate: 6.77 C/km ThetaE index: 26.23 C Layer 1000.0- 863.0 mb Conv cond level (CCL): 899.03 mb = 1003.12 m = 3291.05 ft Mean mixing ratio: 18.63 g/kg Conv temperature: 31.50 C = 88.69 F Cap Strength: 2.14 C Lifted Index: -6.97 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.50 C Lifted Index @700 mb: -1.59 C Showalter Index: -0.79 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: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 193.60 Risk: None Energy Index: -1.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2436.82 J/kg Max Up Vert Vel: 69.81 m/s Conv Inhibition (B-): 71.07 J/kg Cap Strength: 2.10 C Lift Cond Lev (LCL): 913.52 mb = 863.32 m = 2832.38 ft Lev Free Conv (LFC): 738.52 mb = 2695.53 m = 8843.48 ft Equ Level (EL): 148.52 mb = 14278.44 m = 46844.71 ft B at Equ Level: 2436.39 J/kg Max Parcel Lev (MPL): 68.52 mb = 18742.54 m = 61490.52 ft Wind level data Storm motion: 131 at 15 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 1006 9 270 6 6.0 -0.0 | 300 20 17.1 -9.7 1 1000 63 275 7 7.0 -0.6 | 300 21 18.0 -10.3 2 973 305 250 10 9.4 3.4 | 287 21 20.5 -6.3 3 925 754 285 11 10.6 -2.8 | 300 25 21.7 -12.6 4 908 914 285 12 11.6 -3.1 | 300 26 22.7 -12.8 5 850 1492 5 8 -0.7 -8.0 | 330 21 10.4 -17.7 6 817 1829 65 10 -9.1 -4.2 | 352 14 2.0 -14.0 7 788 2134 85 10 -10.0 -0.9 | 354 11 1.1 -10.6 8 761 2438 110 17 -16.0 5.8 | 51 6 -4.9 -3.9 9 700 3147 105 26 -25.1 6.7 | 78 14 -14.0 -3.0 10 609 4267 100 38 -37.4 6.6 | 83 27 -26.4 -3.1 11 564 4877 95 28 -27.9 2.4 | 67 18 -16.8 -7.3 12 543 5182 120 8 -6.9 4.0 | 324 7 4.1 -5.7 13 500 5850 115 24 -21.8 10.1 | 92 11 -10.7 0.4 14 484 6096 115 25 -22.7 10.6 | 94 12 -11.6 0.8 15 465 6401 120 20 -17.3 10.0 | 92 6 -6.3 0.3 16 447 6706 105 19 -18.4 4.9 | 57 9 -7.3 -4.8 17 413 7315 105 10 -9.7 2.6 | 349 7 1.4 -7.1 18 400 7550 130 12 -9.2 7.7 | 317 3 1.9 -2.0 19 396 7620 135 11 -7.8 7.8 | 301 4 3.3 -1.9 20 350 8534 160 28 -9.6 26.3 | 185 17 1.5 16.6 21 300 9650 155 52 -22.0 47.1 | 164 39 -10.9 37.4 22 296 9754 155 53 -22.4 48.0 | 164 40 -11.3 38.3 23 250 10920 180 54 0.0 54.0 | 194 46 11.1 44.3 24 248 10973 180 54 0.0 54.0 | 194 46 11.1 44.3 25 207 12192 170 53 -9.2 52.2 | 183 43 1.9 42.5 26 200 12410 175 51 -4.4 50.8 | 189 42 6.6 41.1 27 171 13411 185 49 4.3 48.8 | 201 42 15.3 39.1 28 150 14220 180 48 0.0 48.0 | 196 40 11.1 38.3 29 140 14630 180 49 0.0 49.0 | 196 41 11.1 39.3 30 133 14935 195 45 11.6 43.5 | 214 41 22.7 33.7 31 126 15240 175 43 -3.7 42.8 | 192 34 7.3 33.1 32 120 15545 170 38 -6.6 37.4 | 189 28 4.5 27.7 33 108 16154 190 32 5.6 31.5 | 217 27 16.6 21.8 34 102 16459 175 19 -1.7 18.9 | 226 13 9.4 9.2 35 100 16590 125 20 -16.4 11.5 | 108 6 -5.3 1.7 36 97 16764 125 20 -16.4 11.5 | 108 6 -5.3 1.7 37 74 18305 90 19 -19.0 0.0 | 39 13 -7.9 -9.7 38 70 18620 100 27 -26.6 4.7 | 72 16 -15.5 -5.0 39 50 20570 125 26 -21.3 14.9 | 117 11 -10.2 5.2 40 30 23700 65 33 -29.9 -13.9 | 39 30 -18.8 -23.7 41 20 26300 95 31 -30.9 2.7 | 70 21 -19.8 -7.0 42 10 30850 115 47 -42.6 19.9 | 108 33 -31.5 10.1 Wind Parameters Mean winds (0-6000m): 101.3 at 19.6 knts Storm direction: 131.3 at 14.7 knts Shear (0-3000m) pos: 4.8 neg: 0.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 136.3 deg Storm rel helicity (0-3000m) pos: 175.4 neg: -26.8 tot: 148.7 m^2/s^2 ave: 49.6 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 5.6 10^-3/s Energy-Hel index: 2.27 Bulk Rich Number: 23.13 Bulk Shear: 105.37 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 ------------------------------------------------------------------------------- 500 260 9 292 22| 0.0 4.6 4.6| 12.6 -25.7 -13.1 -26.1 -0.30| 8.5 -2.5 1000 273 10 296 23| 3.1 2.3 5.4| 50.9 -26.8 24.2 24.2 0.21| 7.9 1.6 1500 286 10 301 24| 5.0 1.5 6.5|117.3 -26.8 90.6 60.4 0.50| 9.4 4.7 2000 306 10 309 24| 5.2 1.2 6.4|149.3 -26.8 122.6 61.3 0.53| 10.0 5.3 2500 340 10 323 24| 5.7 0.9 6.6|168.2 -26.8 141.4 56.6 0.59| 10.3 6.1 3000 78 12 4 12| 4.8 0.4 5.2|175.4 -26.8 148.7 49.6 0.57| 9.7 5.6 4000 98 17 37 9| 3.6 1.7 5.3|184.4 -26.8 157.6 39.4 0.51| 8.7 4.4 5000 98 20 53 11| 1.4 1.3 2.7|185.1 -68.3 116.9 23.4 0.30| 9.2 2.7 6000 101 20 54 10| 0.9 1.8 2.7|199.1 -81.7 117.4 19.6 0.23| 10.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251218.23.gif