UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122323.upa.cvt Date: 2300Z 23 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:2300Z 23 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 1003 9 30.0 23.0 66 7.0 24.9 340 4 302.9 306.2 297.9 356.0 17.91 1 1000 40 29.4 21.4 62 8.0 23.6 340 4 302.5 305.5 296.8 350.6 16.25 2 925 733 25.8 18.8 65 7.0 20.8 110 6 305.7 308.5 296.7 350.4 14.93 3 910 877 24.6 17.6 65 7.0 19.7 90 6 305.9 308.5 296.2 348.0 14.05 4 850 1474 22.6 7.6 38 15.0 13.4 85 24 309.8 311.3 292.7 333.6 7.72 5 810 1891 20.6 4.6 35 16.0 11.2 92 32 312.0 313.2 292.4 332.5 6.57 6 761 2426 16.6 -1.4 29 18.0 7.0 90 38 313.3 314.2 291.0 327.7 4.54 7 704 3082 10.6 -3.4 37 14.0 3.5 88 40 313.7 314.5 290.9 327.1 4.23 8 700 3129 10.4 -3.6 37 14.0 3.4 85 38 314.0 314.8 290.9 327.3 4.19 9 678 3394 8.6 -3.4 43 12.0 2.5 85 35 314.9 315.7 291.4 328.9 4.39 10 658 3641 6.8 -0.2 61 7.0 3.0 85 31 315.5 316.7 292.7 333.7 5.74 11 653 3704 6.4 4.6 88 1.8 5.4 89 30 315.8 317.4 294.7 341.5 8.18 12 628 4023 4.8 -5.2 48 10.0 -0.1 119 24 317.5 318.3 291.9 330.9 4.14 13 626 4049 5.0 -8.0 38 13.0 -1.0 118 24 318.0 318.7 291.4 328.9 3.34 14 599 4407 2.2 1.6 96 0.6 1.8 106 22 318.8 320.2 294.7 341.7 7.20 15 584 4612 1.0 0.8 99 0.2 0.9 101 21 319.7 321.1 294.8 342.0 6.97 16 524 5478 -3.1 -4.0 93 0.9 -3.6 76 12 324.9 326.0 295.0 342.7 5.44 17 518 5569 -1.9 -6.2 72 4.3 -4.0 83 13 327.4 328.3 295.0 342.9 4.65 18 500 5850 -3.7 -7.2 77 3.5 -5.4 105 14 328.5 329.4 295.1 343.5 4.46 19 469 6355 -7.1 -9.4 84 2.3 -8.1 114 10 330.4 331.2 295.3 344.0 4.00 20 435 6943 -9.3 -15.3 62 6.0 -11.6 133 15 334.8 335.3 295.3 344.1 2.68 21 421 7196 -10.9 -15.0 72 4.1 -12.5 114 14 335.9 336.4 295.7 345.8 2.83 22 400 7590 -12.9 -20.9 51 8.0 -15.6 130 13 338.2 338.6 295.4 344.7 1.81 23 398 7628 -13.1 -22.1 47 9.0 -16.0 130 18 338.4 338.8 295.4 344.4 1.64 24 393 7724 -13.3 -28.3 27 15.0 -17.3 132 17 339.4 339.6 295.0 342.9 0.94 25 390 7782 -13.1 -38.1 10 25.0 -18.3 133 16 340.4 340.5 294.8 341.9 0.37 26 389 7802 -13.1 -38.1 10 25.0 -18.3 133 16 340.7 340.7 294.8 342.1 0.37 27 360 8386 -17.1 -57.1 2 40.0 -21.9 157 11 342.9 343.0 295.1 343.1 0.05 28 310 9484 -26.5 -30.3 70 3.8 -27.3 220 3 344.8 345.0 296.3 348.6 0.99 29 300 9720 -27.5 -34.5 51 7.0 -28.7 350 6 346.6 346.8 296.5 349.3 0.68 30 271 10446 -32.5 -43.5 33 11.0 -33.8 4 7 349.6 349.7 296.8 350.8 0.30 31 250 11010 -37.5 -46.5 39 9.0 -38.4 15 8 350.3 350.4 296.9 351.3 0.23 32 237 11374 -40.5 -51.5 30 11.0 -41.3 3 9 351.2 351.2 297.0 351.8 0.14 33 215 12026 -46.7 -49.9 70 3.2 -46.9 2 16 351.5 351.5 297.1 352.3 0.19 34 210 12181 -47.7 -56.7 35 9.0 -48.1 5 18 352.3 352.3 297.2 352.7 0.08 35 200 12500 -50.5 -59.5 34 9.0 -50.8 345 19 352.8 352.8 297.3 353.1 0.06 36 198 12566 -50.9 -60.9 30 10.0 -51.2 345 19 353.2 353.2 297.4 353.4 0.05 37 187 12935 -54.5 -61.5 42 7.0 -54.7 344 20 353.2 353.2 297.4 353.4 0.05 38 185 13004 -55.1 -58.9 63 3.8 -55.2 344 20 353.3 353.3 297.4 353.6 0.07 39 181 13143 -56.1 -66.1 27 10.0 -56.3 343 21 353.9 353.9 297.5 354.0 0.03 40 170 13539 -59.7 -65.7 45 6.0 -59.8 341 24 354.3 354.3 297.6 354.5 0.03 41 167 13650 -60.5 -65.4 52 4.9 -60.6 340 24 354.8 354.8 297.7 354.9 0.03 42 150 14310 -66.1 -74.1 32 8.0 -66.2 330 17 356.2 356.2 298.0 356.3 0.01 43 132 15077 -71.7 -84.7 13 13.0 -71.8 351 15 359.5 359.5 298.6 359.5 0.00 44 110 16128 -81.7 -86.3 45 4.6 -81.7 30 19 359.9 359.9 298.7 359.9 0.00 45 100 16660 -84.1 -89.1 41 5.0 -84.1 145 3 365.2 365.2 299.7 365.2 0.00 46 92 17119 -86.9 -92.9 32 6.0 -86.9 150 7 368.5 368.5 300.3 368.5 0.00 47 88 17365 -82.3 -89.3 29 7.0 -82.3 133 12 382.4 382.4 302.6 382.5 0.00 48 77 18106 -85.3 -91.3 33 6.0 -85.3 82 25 391.1 391.1 303.9 391.1 0.00 49 71 18560 -79.7 -88.7 21 9.0 -79.7 50 34 412.2 412.2 306.8 412.2 0.00 50 70 18640 -80.5 -89.5 21 9.0 -80.5 45 35 412.2 412.2 306.8 412.2 0.00 51 69 18721 -80.7 -89.7 21 9.0 -80.7 47 35 413.4 413.4 306.9 413.4 0.00 52 59 19630 -69.5 -89.5 4 20.0 -69.6 65 34 457.5 457.5 311.5 457.5 0.00 53 55 20047 -71.1 -90.1 4 19.0 -71.2 74 34 463.1 463.1 312.1 463.2 0.00 54 50 20620 -65.1 -90.1 2 25.0 -65.4 85 33 490.1 490.1 314.2 490.1 0.00 55 47 20998 -63.5 -89.5 2 26.0 -63.9 83 33 502.7 502.7 315.1 502.7 0.00 56 46 21130 -64.5 -89.5 2 25.0 -64.8 82 33 503.3 503.4 315.2 503.4 0.00 57 33 23185 -59.1 -89.1 1 30.0 -60.0 69 35 567.8 567.8 319.0 567.9 0.00 58 30 23780 -60.9 -88.9 1 28.0 -61.7 65 36 578.6 578.6 319.6 578.6 0.00 59 29 23991 -61.3 -89.3 1 28.0 -62.1 69 36 583.2 583.2 319.8 583.2 0.00 60 21 26035 -53.9 -86.9 1 33.0 -56.3 105 40 661.9 661.9 323.2 662.0 0.01 61 20 26350 -53.3 -86.3 1 33.0 -55.9 110 40 673.0 673.0 323.5 673.1 0.01 62 17 27392 -55.3 -87.3 1 32.0 -57.8 698.6 698.6 324.4 698.7 0.01 63 14 28656 -46.3 -84.3 1 38.0 -52.2 769.0 769.0 326.4 769.2 0.02 64 12 29684 -44.7 -83.7 1 39.0 -51.8 809.4 809.4 327.5 809.6 0.03 TRP 92 17119 -86.9 -92.9 32 6.0 -86.9 150 7 368.5 368.5 300.3 368.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 569.37 mb = 4823.19 m = 15823.93 ft Wetbulb zero: 628.45 mb = 4017.34 m = 13180.09 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 60.22 % Est. max temperature: 36.73 C = 98.12 F Sfc-Lift cond lev (LCL): 906.66 mb = 909.13 m = 2982.68 ft T: 24.49 C 700-500 lapse rate: 5.18 C/km ThetaE index: 28.84 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 755.10 mb = 2491.52 m = 8174.18 ft Mean mixing ratio: 15.31 g/kg Conv temperature: 40.46 C = 104.82 F Cap Strength: 4.83 C Lifted Index: -0.82 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.78 C Lifted Index @700 mb: -0.23 C Showalter Index: 5.89 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 11.30 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 153.20 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 219.38 J/kg Max Up Vert Vel: 20.95 m/s Conv Inhibition (B-): 229.34 J/kg Cap Strength: 4.81 C Lift Cond Lev (LCL): 854.92 mb = 1423.48 m = 4670.14 ft Lev Free Conv (LFC): 699.92 mb = 3129.95 m = 10268.73 ft Equ Level (EL): 399.92 mb = 7591.52 m = 24906.25 ft B at Equ Level: 217.13 J/kg Max Parcel Lev (MPL): 209.92 mb = 12183.74 m = 39972.41 ft Wind level data Storm motion: 123 at 17 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 1003 9 340 4 1.4 -3.8 | 310 20 15.7 -13.2 1 1000 40 340 4 1.4 -3.8 | 310 20 15.7 -13.2 2 925 733 110 6 -5.6 2.1 | 311 11 8.6 -7.4 3 906 914 85 6 -6.0 -0.5 | 320 13 8.3 -10.0 4 875 1219 75 18 -17.4 -4.7 | 12 14 -3.1 -14.1 5 850 1474 85 24 -23.9 -2.1 | 40 15 -9.6 -11.5 6 845 1524 95 26 -25.9 2.3 | 58 14 -11.6 -7.2 7 787 2134 90 36 -36.0 0.0 | 66 24 -21.7 -9.4 8 707 3048 90 41 -41.0 0.0 | 71 28 -26.7 -9.4 9 700 3129 85 38 -37.9 -3.3 | 62 27 -23.6 -12.8 10 656 3658 85 31 -30.9 -2.7 | 54 21 -16.6 -12.1 11 631 3962 120 24 -20.8 12.0 | 111 7 -6.5 2.6 12 608 4267 110 22 -20.7 7.5 | 73 7 -6.4 -1.9 13 586 4572 100 21 -20.7 3.6 | 48 9 -6.4 -5.8 14 564 4877 115 21 -19.0 8.9 | 83 5 -4.7 -0.6 15 523 5486 75 12 -11.6 -3.1 | 348 13 2.7 -12.6 16 504 5791 105 17 -16.4 4.4 | 23 5 -2.1 -5.0 17 500 5850 105 14 -13.5 3.6 | 353 6 0.8 -5.8 18 466 6401 115 10 -9.1 4.2 | 315 7 5.2 -5.2 19 448 6706 150 15 -7.5 13.0 | 242 8 6.8 3.5 20 414 7315 105 14 -13.5 3.6 | 353 6 0.8 -5.8 21 400 7590 130 13 -10.0 8.4 | 284 4 4.3 -1.1 22 398 7620 130 18 -13.8 11.6 | 193 2 0.5 2.1 23 382 7925 135 14 -9.9 9.9 | 264 4 4.4 0.5 24 352 8534 165 10 -2.6 9.7 | 269 12 11.7 0.2 25 311 9449 205 3 1.3 2.7 | 293 17 15.6 -6.7 26 300 9720 350 6 1.0 -5.9 | 315 22 15.3 -15.4 27 250 11010 15 8 -2.1 -7.7 | 325 21 12.2 -17.2 28 229 11582 355 10 0.9 -10.0 | 322 25 15.2 -19.4 29 209 12192 5 18 -1.6 -17.9 | 335 30 12.7 -27.4 30 200 12500 345 19 4.9 -18.4 | 325 34 19.2 -27.8 31 191 12802 345 19 4.9 -18.4 | 325 34 19.2 -27.8 32 165 13716 340 25 8.6 -23.5 | 325 40 22.8 -32.9 33 157 14021 330 23 11.5 -19.9 | 319 39 25.8 -29.4 34 150 14310 330 17 8.5 -14.7 | 317 33 22.8 -24.2 35 142 14630 330 16 8.0 -13.9 | 316 32 22.3 -23.3 36 128 15240 360 15 -0.0 -15.0 | 330 28 14.3 -24.4 37 115 15850 30 18 -9.0 -15.6 | 348 26 5.3 -25.0 38 104 16459 30 21 -10.5 -18.2 | 352 28 3.8 -27.6 39 100 16660 145 3 -1.7 2.5 | 299 14 12.6 -7.0 40 98 16764 30 14 -7.0 -12.1 | 341 23 7.3 -21.6 41 93 17069 145 3 -1.7 2.5 | 299 14 12.6 -7.0 42 92 17119 150 7 -3.5 6.1 | 287 11 10.8 -3.4 43 70 18640 45 35 -24.7 -24.7 | 17 36 -10.5 -34.2 44 50 20620 85 33 -32.9 -2.9 | 56 22 -18.6 -12.3 45 30 23780 65 36 -32.6 -15.2 | 37 31 -18.3 -24.7 46 20 26350 110 40 -37.6 13.7 | 100 24 -23.3 4.2 Wind Parameters Mean winds (0-6000m): 93.5 at 22.8 knts Storm direction: 123.5 at 17.1 knts Shear (0-3000m) pos: 4.7 neg: 2.6 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 120.2 deg Storm rel helicity (0-3000m) pos: 127.5 neg: -6.3 tot: 121.2 m^2/s^2 ave: 40.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 5.2 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 3.67 Bulk Shear: 59.77 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 29 5 318 18| 6.8 0.0 6.8| 18.0 0.0 18.0 36.0 0.49| 7.5 3.7 1000 79 5 320 14| 5.8 0.0 5.8| 34.7 -6.3 28.4 28.4 0.41| 8.7 3.5 1500 80 10 337 12| 9.3 0.0 9.3| 98.3 -6.3 92.0 61.4 0.70| 12.1 8.5 2000 87 15 3 10| 7.0 2.2 9.2|113.9 -6.3 107.6 53.8 0.64| 11.4 7.3 2500 88 19 26 11| 5.6 2.6 8.2|120.7 -6.3 114.4 45.8 0.61| 10.0 6.1 3000 89 23 40 13| 4.7 2.6 7.3|127.5 -6.3 121.2 40.4 0.59| 8.8 5.2 4000 89 25 48 15| 3.1 1.1 4.1|165.8 -54.6 111.2 27.8 0.43| 10.3 4.4 5000 93 25 51 13| 2.4 1.3 3.7|170.2 -70.4 99.9 20.0 0.29| 9.7 2.9 6000 93 23 47 12| 2.5 1.6 4.1|180.0 -94.0 86.0 14.3 0.17| 10.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251223.23.gif