UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122823.upa.cvt Date: 2300Z 28 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:2300Z 28 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 1004 9 29.8 21.8 62 8.0 24.0 335 5 302.6 305.7 297.0 351.7 16.60 1 1000 47 30.2 17.2 46 13.0 21.2 345 6 303.4 305.6 294.4 340.3 12.44 2 999 56 30.6 18.6 49 12.0 22.2 344 6 303.8 306.4 295.4 344.3 13.62 3 925 742 27.8 12.8 40 15.0 17.9 40 10 307.7 309.6 293.9 338.3 10.09 4 904 945 27.4 11.4 37 16.0 17.0 57 12 309.4 311.1 293.9 338.1 9.40 5 858 1404 24.4 8.4 36 16.0 14.4 63 15 310.9 312.4 293.3 335.8 8.08 6 850 1486 23.6 8.6 38 15.0 14.1 55 16 310.9 312.4 293.4 336.4 8.27 7 790 2120 18.2 8.2 52 10.0 12.0 32 15 311.7 313.3 293.9 338.4 8.67 8 751 2553 17.0 5.0 45 12.0 9.8 84 22 314.9 316.3 293.8 337.8 7.30 9 700 3148 11.6 3.6 58 8.0 6.9 95 23 315.3 316.7 293.7 337.7 7.10 10 682 3365 9.4 3.4 66 6.0 5.9 89 20 315.2 316.6 293.8 337.8 7.18 11 650 3763 7.4 -5.6 39 13.0 1.1 90 15 317.3 318.1 291.7 329.9 3.87 12 611 4270 3.2 -0.8 75 4.0 1.1 110 13 318.2 319.3 293.6 337.1 5.92 13 564 4915 -0.9 -6.9 64 6.0 -3.7 64 8 320.7 321.5 292.8 333.9 4.04 14 549 5130 -2.7 -4.9 85 2.2 -3.8 48 7 321.0 322.0 293.5 336.8 4.85 15 538 5291 -3.7 -8.3 70 4.6 -5.8 35 6 321.7 322.5 292.9 334.2 3.80 16 529 5424 -3.3 -4.4 92 1.1 -3.8 25 5 323.8 324.8 294.6 340.9 5.23 17 500 5870 -5.1 -6.1 93 1.0 -5.6 360 11 326.8 327.8 295.0 343.0 4.86 18 481 6173 -6.3 -8.1 87 1.8 -7.1 358 12 329.0 329.8 295.1 343.5 4.32 19 435 6949 -11.5 -12.1 95 0.6 -11.8 339 21 332.0 332.7 295.3 343.9 3.48 20 429 7055 -10.7 -14.4 74 3.7 -12.2 337 22 334.3 334.9 295.4 344.5 2.92 21 402 7552 -12.9 -20.9 51 8.0 -15.6 326 27 337.7 338.1 295.3 344.2 1.80 22 400 7590 -13.3 -21.3 51 8.0 -15.9 325 27 337.7 338.1 295.3 344.0 1.75 23 350 8593 -20.5 -23.9 74 3.4 -21.5 296 14 341.1 341.5 296.0 346.9 1.59 24 334 8939 -21.9 -29.9 48 8.0 -23.8 299 17 343.8 344.0 296.1 347.4 0.96 25 300 9720 -27.9 -33.9 56 6.0 -29.0 285 26 346.1 346.2 296.4 348.9 0.73 26 288 10012 -30.7 -35.1 65 4.4 -31.4 281 27 346.1 346.3 296.4 348.7 0.67 27 255 10864 -37.9 -43.9 53 6.0 -38.5 289 25 347.7 347.8 296.4 349.0 0.31 28 250 11000 -38.9 -44.9 53 6.0 -39.5 290 25 348.2 348.3 296.5 349.4 0.28 29 240 11278 -41.3 -45.6 63 4.3 -41.6 292 25 348.7 348.8 296.6 349.8 0.27 30 221 11833 -45.1 -56.1 28 11.0 -45.6 283 23 351.2 351.2 297.0 351.6 0.09 31 200 12490 -51.1 -58.1 43 7.0 -51.4 275 21 351.8 351.9 297.1 352.2 0.07 32 198 12555 -51.9 -58.9 43 7.0 -52.1 275 21 351.6 351.6 297.0 351.9 0.07 33 197 12588 -51.7 -62.7 26 11.0 -52.0 275 20 352.4 352.4 297.2 352.6 0.04 34 179 13203 -56.7 -64.7 36 8.0 -56.9 288 16 354.0 354.0 297.5 354.2 0.04 35 170 13528 -59.1 -73.1 15 14.0 -59.3 300 16 355.3 355.3 297.8 355.4 0.01 36 150 14300 -66.1 -76.1 23 10.0 -66.2 315 25 356.2 356.2 298.0 356.3 0.01 37 145 14505 -67.7 -77.7 23 10.0 -67.8 311 25 356.9 356.9 298.1 356.9 0.01 38 134 14977 -70.7 -76.7 41 6.0 -70.7 351 22 359.7 359.7 298.7 359.8 0.01 39 114 15919 -78.1 -87.1 22 9.0 -78.1 12 30 363.0 363.0 299.2 363.0 0.00 40 100 16660 -82.7 -88.7 35 6.0 -82.7 45 28 367.9 367.9 300.2 367.9 0.00 41 83 17685 -86.3 -93.3 27 7.0 -86.3 25 12 380.7 380.7 302.3 380.7 0.00 42 70 18630 -80.1 -89.1 21 9.0 -80.1 50 18 413.0 413.0 306.9 413.0 0.00 43 64 19147 -73.1 -90.1 6 17.0 -73.2 59 20 439.1 439.1 309.8 439.1 0.00 44 52 20376 -69.5 -90.5 3 21.0 -69.6 81 23 474.4 474.4 313.0 474.4 0.00 45 50 20610 -70.3 -90.3 4 20.0 -70.5 85 24 477.8 477.8 313.2 477.8 0.00 46 49 20730 -70.3 -90.3 4 20.0 -70.5 85 25 480.6 480.6 313.5 480.6 0.00 47 46 21108 -66.1 -90.1 2 24.0 -66.4 85 27 499.5 499.5 314.9 499.5 0.00 48 41 21804 -65.9 -90.9 2 25.0 -66.2 85 31 516.7 516.7 316.1 516.7 0.00 49 40 21954 -66.5 -90.5 2 24.0 -66.8 85 32 518.9 518.9 316.2 518.9 0.00 50 36 22600 -60.1 -89.1 1 29.0 -60.9 85 36 551.3 551.3 318.2 551.3 0.00 51 30 23740 -58.5 -88.5 1 30.0 -59.6 85 42 585.2 585.2 319.9 585.2 0.01 52 27 24406 -55.9 -86.9 1 31.0 -57.5 88 46 610.4 610.4 321.1 610.4 0.01 53 24 25148 -59.3 -88.3 1 29.0 -60.5 91 50 621.4 621.4 321.6 621.4 0.01 54 20 26300 -55.3 -86.3 1 31.0 -57.5 95 57 666.9 666.9 323.3 667.0 0.01 55 17 27343 -53.1 -86.1 1 33.0 -56.1 90 56 705.7 705.7 324.6 705.8 0.01 56 16 27739 -47.3 -83.3 1 36.0 -52.3 89 56 737.0 737.0 325.6 737.2 0.02 57 13 29125 -43.5 -82.5 1 39.0 -50.8 83 55 795.2 795.2 327.1 795.5 0.03 58 10 30870 -48.7 -84.7 1 36.0 -54.7 75 54 837.8 837.8 328.1 838.0 0.03 59 8.4 32031 -43.1 -83.1 0 40.0 -52.5 902.6 902.6 329.5 903.0 0.05 60 8.0 32360 -42.7 -82.9 0 40.2 -52.6 90 70 916.7 916.7 329.7 917.2 0.05 61 6.2 34087 -40.9 -81.9 0 41.0 -53.0 993.9 993.9 331.1 994.8 0.08 TRP 83 17685 -86.3 -93.3 27 7.0 -86.3 25 12 380.7 380.7 302.3 380.7 0.00 WND 8.0 32360 -42.7 -82.9 0 40.2 -52.6 90 70 916.7 916.7 329.7 917.2 0.05 Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 574.32 mb = 4773.51 m = 15660.93 ft Wetbulb zero: 600.49 mb = 4409.69 m = 14467.31 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 56.74 % Est. max temperature: 38.08 C = 100.54 F Sfc-Lift cond lev (LCL): 894.37 mb = 1039.21 m = 3409.43 ft T: 26.78 C 700-500 lapse rate: 6.14 C/km ThetaE index: 11.45 C Layer 1000.0- 999.0 mb Conv cond level (CCL): 689.38 mb = 3275.50 m = 10746.26 ft Mean mixing ratio: 11.51 g/kg Conv temperature: 42.49 C = 108.48 F Cap Strength: 6.32 C Lifted Index: 1.33 C Risk: Showers probable Lifted Index @300 mb: 5.65 C Lifted Index @700 mb: 3.67 C Showalter Index: 3.23 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 28.70 C Cross Totals Index: 13.70 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 146.20 Risk: None Energy Index: 1.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.15 J/kg Max Up Vert Vel: 6.35 m/s Conv Inhibition (B-): 465.55 J/kg Cap Strength: 6.32 C Lift Cond Lev (LCL): 781.07 mb = 2217.11 m = 7273.91 ft Lev Free Conv (LFC): 556.07 mb = 5028.15 m = 16496.36 ft Equ Level (EL): 526.07 mb = 5468.36 m = 17940.61 ft B at Equ Level: 17.28 J/kg Max Parcel Lev (MPL): 496.07 mb = 5931.72 m = 19460.78 ft Wind level data Storm motion: 101 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 1004 9 335 5 2.1 -4.5 | 298 14 12.2 -6.5 1 1000 47 345 6 1.6 -5.8 | 304 14 11.6 -7.8 2 971 305 330 13 6.5 -11.3 | 309 21 16.6 -13.2 3 925 742 40 10 -6.4 -7.7 | 339 10 3.6 -9.6 4 907 914 55 12 -9.8 -6.9 | 359 9 0.2 -8.9 5 876 1219 80 12 -11.8 -2.1 | 23 4 -1.8 -4.1 6 850 1486 55 16 -13.1 -9.2 | 15 12 -3.1 -11.1 7 846 1524 55 16 -13.1 -9.2 | 15 12 -3.1 -11.1 8 817 1829 60 16 -13.9 -8.0 | 21 11 -3.8 -10.0 9 788 2134 30 15 -7.5 -13.0 | 350 15 2.6 -15.0 10 761 2438 80 20 -19.7 -3.5 | 61 11 -9.6 -5.4 11 734 2743 90 26 -26.0 0.0 | 83 16 -15.9 -2.0 12 700 3148 95 23 -22.9 2.0 | 90 13 -12.9 0.0 13 657 3658 80 16 -15.8 -2.8 | 50 7 -5.7 -4.7 14 633 3962 115 12 -10.9 5.1 | 165 3 -0.8 3.1 15 610 4267 110 13 -12.2 4.4 | 139 3 -2.2 2.5 16 524 5486 20 4 -1.4 -3.8 | 303 10 8.7 -5.7 17 500 5870 360 11 -0.0 -11.0 | 322 16 10.1 -13.0 18 486 6096 360 11 -0.0 -11.0 | 322 16 10.1 -13.0 19 415 7315 330 25 12.5 -21.7 | 316 33 22.6 -23.6 20 400 7590 325 27 15.5 -22.1 | 313 35 25.5 -24.1 21 367 8230 315 14 9.9 -9.9 | 301 23 20.0 -11.9 22 352 8534 295 14 12.7 -5.9 | 289 24 22.7 -7.9 23 338 8839 305 16 13.1 -9.2 | 296 26 23.2 -11.1 24 324 9144 285 21 20.3 -5.4 | 284 31 30.3 -7.4 25 311 9449 300 21 18.2 -10.5 | 294 31 28.2 -12.5 26 300 9720 285 26 25.1 -6.7 | 284 36 35.2 -8.7 27 286 10058 280 27 26.6 -4.7 | 280 37 36.6 -6.7 28 250 11000 290 25 23.5 -8.6 | 287 35 33.5 -10.5 29 229 11582 295 25 22.7 -10.6 | 291 35 32.7 -12.5 30 209 12192 265 21 20.9 1.8 | 270 31 31.0 -0.1 31 200 12490 275 21 20.9 -1.8 | 277 31 31.0 -3.8 32 190 12802 275 19 18.9 -1.7 | 277 29 29.0 -3.6 33 173 13411 295 14 12.7 -5.9 | 289 24 22.7 -7.9 34 165 13716 310 20 15.3 -12.9 | 300 29 25.4 -14.8 35 150 14300 315 25 17.7 -17.7 | 305 34 27.7 -19.6 36 149 14326 300 26 22.5 -13.0 | 295 36 32.6 -15.0 37 142 14630 320 25 16.1 -19.2 | 309 34 26.1 -21.1 38 134 14935 350 22 3.8 -21.7 | 330 27 13.9 -23.6 39 121 15545 10 26 -4.5 -25.6 | 349 28 5.5 -27.6 40 115 15850 10 30 -5.2 -29.5 | 351 32 4.8 -31.5 41 104 16459 40 25 -16.1 -19.2 | 16 22 -6.0 -21.1 42 100 16660 45 28 -19.8 -19.8 | 24 24 -9.7 -21.8 43 93 17069 45 28 -19.8 -19.8 | 24 24 -9.7 -21.8 44 83 17685 25 12 -5.1 -10.9 | 339 14 5.0 -12.8 45 70 18630 50 18 -13.8 -11.6 | 15 14 -3.7 -13.5 46 50 20610 85 24 -23.9 -2.1 | 74 14 -13.9 -4.1 47 30 23740 85 42 -41.8 -3.7 | 80 32 -31.8 -5.6 48 20 26300 95 57 -56.8 5.0 | 94 47 -46.7 3.0 49 10 30870 75 54 -52.2 -14.0 | 69 45 -42.1 -15.9 Wind Parameters Mean winds (0-6000m): 71.1 at 13.7 knts Storm direction: 101.1 at 10.2 knts Shear (0-3000m) pos: 5.0 neg: 1.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 149.4 deg Storm rel helicity (0-3000m) pos: 139.4 neg: -23.9 tot: 115.6 m^2/s^2 ave: 38.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 5.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.51 Bulk Shear: 39.58 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 ------------------------------------------------------------------------------- 500 340 10 311 18| 7.8 0.0 7.8| 38.1 0.0 38.1 76.3 0.53| 15.8 8.4 1000 9 11 326 15| 6.6 0.0 6.6| 60.8 0.0 60.8 60.8 0.57| 14.2 8.1 1500 34 12 343 12| 4.4 1.5 5.9| 63.7 -3.0 60.7 40.5 0.43| 13.1 5.6 2000 42 13 352 11| 3.3 1.5 4.8| 66.7 -15.7 51.0 25.5 0.30| 11.4 3.4 2500 46 14 359 11| 5.1 1.2 6.3|119.9 -23.9 96.1 38.4 0.43| 13.1 5.7 3000 59 15 18 10| 5.0 1.0 6.0|139.4 -23.9 115.6 38.5 0.46| 12.2 5.6 4000 70 16 34 9| 3.5 1.4 4.9|148.1 -39.6 108.5 27.1 0.38| 11.5 4.4 5000 74 15 36 8| 2.8 2.2 5.0|148.1 -47.7 100.4 20.1 0.24| 10.5 2.6 6000 71 14 24 7| 2.3 2.6 4.9|160.1 -56.1 104.0 17.3 0.22| 9.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251228.23.gif