UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122811.upa.cvt Date: 1100Z 28 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:1100Z 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 1005 9 30.6 26.1 77 4.5 27.2 315 8 303.3 307.3 300.2 367.9 21.64 1 1000 52 30.2 25.5 76 4.7 26.7 305 11 303.4 307.2 299.8 365.9 20.96 2 950 509 26.0 23.8 88 2.2 24.4 317 17 303.6 307.3 299.2 362.9 19.90 3 944 566 26.8 19.8 66 7.0 21.8 319 16 304.9 307.8 297.0 351.5 15.58 4 925 746 26.8 17.8 58 9.0 20.5 330 13 306.7 309.3 296.4 348.8 14.00 5 921 784 27.2 15.2 48 12.0 19.0 330 11 307.5 309.7 295.1 343.4 11.87 6 914 852 27.6 16.6 51 11.0 19.9 330 6 308.6 311.0 296.3 348.3 13.11 7 855 1441 24.4 9.4 39 15.0 14.8 77 2 311.2 312.8 293.8 337.9 8.69 8 850 1492 23.8 9.8 41 14.0 14.8 95 3 311.1 312.8 294.0 338.7 8.98 9 836 1637 22.2 15.2 65 7.0 17.4 65 6 310.9 313.4 296.8 351.0 13.11 10 700 3155 12.2 -1.8 38 14.0 4.8 75 21 316.0 316.9 292.0 331.3 4.79 11 638 3925 7.0 -11.0 26 18.0 -0.9 88 20 318.6 319.1 290.9 327.1 2.59 12 602 4400 3.4 -7.6 44 11.0 -1.7 91 15 319.7 320.4 292.1 331.5 3.59 13 581 4688 1.6 -4.4 64 6.0 -1.4 92 13 320.9 321.8 293.4 336.4 4.75 14 572 4814 1.4 -11.6 37 13.0 -4.1 93 13 322.1 322.7 292.0 331.3 2.75 15 559 4999 0.6 -3.3 75 3.9 -1.4 94 11 323.3 324.3 294.5 340.9 5.37 16 552 5100 0.4 -5.6 64 6.0 -2.6 94 11 324.2 325.1 294.1 339.3 4.57 17 540 5276 0.0 -14.0 34 14.0 -5.7 69 7 325.8 326.3 292.8 334.0 2.40 18 512 5702 -2.1 -6.6 71 4.5 -4.3 94 2 328.2 329.2 295.1 343.5 4.56 19 500 5890 -3.5 -7.5 74 4.0 -5.4 180 3 328.8 329.6 295.1 343.4 4.36 20 429 7079 -12.5 -12.8 98 0.3 -12.6 94 6 332.0 332.7 295.1 343.5 3.33 21 417 7295 -13.5 -17.0 75 3.5 -14.7 78 6 333.4 333.9 294.8 341.9 2.42 22 405 7516 -15.7 -18.3 80 2.6 -16.6 62 7 333.4 333.8 294.6 341.3 2.23 23 400 7610 -16.1 -22.1 60 6.0 -17.9 55 7 334.1 334.4 294.3 339.9 1.63 24 398 7648 -15.9 -29.9 29 14.0 -19.3 50 8 334.8 335.0 293.8 337.8 0.80 25 396 7686 -16.3 -22.3 60 6.0 -18.1 46 8 334.8 335.1 294.4 340.6 1.61 26 394 7724 -16.1 -20.8 67 4.7 -17.6 41 9 335.5 335.9 294.8 342.1 1.85 27 391 7781 -15.9 -23.9 50 8.0 -18.2 34 10 336.5 336.8 294.7 341.7 1.42 28 388 7839 -15.9 -32.9 22 17.0 -19.7 26 11 337.2 337.4 294.2 339.6 0.62 29 383 7937 -16.5 -26.5 42 10.0 -19.2 15 12 337.7 337.9 294.8 341.9 1.14 30 351 8587 -20.7 -31.7 37 11.0 -23.1 354 12 340.6 340.7 295.1 343.5 0.77 31 345 8714 -21.1 -49.1 6 28.0 -24.7 350 12 341.7 341.7 294.8 342.2 0.13 32 338 8865 -21.9 -49.9 6 28.0 -25.4 344 12 342.6 342.7 295.1 343.1 0.12 33 323 9197 -24.9 -34.9 39 10.0 -26.8 312 12 343.0 343.1 295.6 345.3 0.61 34 309 9518 -26.9 -43.9 18 17.0 -29.2 329 16 344.5 344.6 295.6 345.6 0.25 35 300 9730 -28.5 -43.5 22 15.0 -30.4 340 19 345.2 345.3 295.8 346.3 0.27 36 252 10955 -38.7 -43.7 59 5.0 -39.2 329 16 347.7 347.8 296.4 349.0 0.32 37 250 11010 -38.9 -45.9 48 7.0 -39.5 330 16 348.2 348.3 296.5 349.3 0.25 38 248 11065 -39.3 -46.3 47 7.0 -39.9 330 16 348.4 348.5 296.5 349.4 0.24 39 247 11093 -38.7 -57.7 12 19.0 -39.8 330 16 349.7 349.7 296.6 350.0 0.06 40 227 11668 -43.1 -54.1 29 11.0 -43.7 308 19 351.6 351.6 297.1 352.0 0.11 41 224 11757 -43.3 -58.3 18 15.0 -44.0 303 20 352.6 352.6 297.3 352.9 0.07 42 211 12157 -46.7 -66.7 8 20.0 -47.3 306 21 353.4 353.4 297.4 353.5 0.02 43 200 12510 -50.1 -66.1 14 16.0 -50.5 320 20 353.4 353.4 297.4 353.5 0.03 44 183 13083 -54.9 -66.9 21 12.0 -55.1 331 24 354.7 354.7 297.7 354.8 0.03 45 181 13153 -55.5 -76.5 6 21.0 -55.8 332 25 354.9 354.9 297.7 354.9 0.01 46 170 13548 -59.1 -68.1 30 9.0 -59.2 340 28 355.3 355.3 297.8 355.4 0.02 47 150 14320 -65.1 -75.1 24 10.0 -65.2 360 30 357.9 357.9 298.3 358.0 0.01 48 146 14484 -66.5 -74.5 32 8.0 -66.5 1 30 358.3 358.3 298.4 358.3 0.01 49 143 14609 -67.7 -76.7 27 9.0 -67.8 2 30 358.3 358.3 298.4 358.4 0.01 50 116 15839 -76.9 -82.9 38 6.0 -76.9 10 28 363.4 363.4 299.4 363.4 0.00 51 100 16680 -81.9 -87.9 35 6.0 -81.9 60 9 369.5 369.5 300.5 369.5 0.00 52 84 17642 -88.1 -93.1 39 5.0 -88.1 45 22 375.8 375.8 301.5 375.8 0.00 53 81 17842 -82.9 -89.9 29 7.0 -82.9 55 19 390.4 390.4 303.9 390.4 0.00 54 70 18650 -85.7 -90.0 46 4.3 -85.7 95 9 401.0 401.0 305.3 401.0 0.00 55 68 18809 -86.3 -90.8 44 4.5 -86.3 92 10 403.1 403.1 305.6 403.1 0.00 56 64 19145 -81.5 -89.5 24 8.0 -81.5 87 13 420.7 420.7 307.8 420.7 0.00 57 62 19327 -73.9 -87.9 10 14.0 -74.0 84 15 441.3 441.3 310.0 441.4 0.00 58 59 19619 -69.5 -89.5 4 20.0 -69.6 80 17 457.5 457.5 311.5 457.5 0.00 59 56 19929 -71.9 -89.9 5 18.0 -72.0 75 20 458.9 458.9 311.7 458.9 0.00 60 50 20600 -70.1 -90.1 4 20.0 -70.2 65 25 478.3 478.3 313.3 478.3 0.00 61 44 21375 -62.3 -89.3 2 27.0 -62.8 70 29 515.2 515.2 316.0 515.2 0.00 62 32 23357 -59.3 -88.3 1 29.0 -60.2 82 39 572.3 572.3 319.3 572.3 0.00 63 31 23555 -60.5 -88.5 1 28.0 -61.3 84 40 574.3 574.3 319.4 574.3 0.00 64 30 23760 -58.9 -87.9 1 29.0 -59.9 85 41 584.1 584.1 319.9 584.1 0.01 65 25 24918 -53.7 -85.7 1 32.0 -55.8 92 44 630.3 630.3 321.9 630.3 0.01 66 22 25736 -55.7 -86.7 1 31.0 -57.6 96 46 647.8 647.8 322.6 647.8 0.01 67 20 26350 -50.3 -84.3 1 34.0 -53.7 100 48 682.2 682.2 323.9 682.3 0.02 68 18 27034 -52.5 -85.5 1 33.0 -55.5 696.1 696.1 324.3 696.2 0.01 69 15 28226 -47.5 -83.5 1 36.0 -52.7 750.0 750.0 326.0 750.2 0.02 70 13 29168 -49.5 -84.5 1 35.0 -54.4 774.4 774.4 326.6 774.6 0.02 71 10 30902 -45.5 -82.5 1 37.0 -52.9 849.7 849.7 328.4 850.1 0.04 TRP 84 17642 -88.1 -93.1 39 5.0 -88.1 45 22 375.8 375.8 301.5 375.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5838.00 m Freezing level: 540.00 mb = 5276.37 m = 17310.70 ft Wetbulb zero: 647.47 mb = 3802.98 m = 12476.81 ft Precipitable water: 1.93 inches Sfc-500 mean rel hum: 51.02 % Est. max temperature: 38.48 C = 101.26 F Sfc-Lift cond lev (LCL): 942.35 mb = 581.09 m = 1906.45 ft T: 26.80 C 700-500 lapse rate: 5.74 C/km ThetaE index: 24.50 C Layer 1000.0- 914.0 mb Conv cond level (CCL): 787.12 mb = 2151.99 m = 7060.24 ft Mean mixing ratio: 17.60 g/kg Conv temperature: 39.94 C = 103.90 F Cap Strength: 5.04 C Lifted Index: -3.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.09 C Lifted Index @700 mb: -0.36 C Showalter Index: 3.80 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 13.30 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 126.60 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1419.50 J/kg Max Up Vert Vel: 53.28 m/s Conv Inhibition (B-): 201.49 J/kg Cap Strength: 5.04 C Lift Cond Lev (LCL): 877.29 mb = 1213.62 m = 3981.63 ft Lev Free Conv (LFC): 712.29 mb = 3006.21 m = 9862.79 ft Equ Level (EL): 152.29 mb = 14226.66 m = 46674.83 ft B at Equ Level: 1418.44 J/kg Max Parcel Lev (MPL): 72.29 mb = 18471.99 m = 60602.91 ft Wind level data Storm motion: 91 at 9 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 1005 9 315 8 5.7 -5.7 | 292 16 14.6 -5.9 1 1000 52 305 11 9.0 -6.3 | 290 19 17.9 -6.5 2 972 305 310 19 14.6 -12.2 | 298 27 23.5 -12.4 3 939 610 320 16 10.3 -12.3 | 303 23 19.2 -12.5 4 925 746 330 13 6.5 -11.3 | 307 19 15.4 -11.5 5 908 914 330 2 1.0 -1.7 | 281 10 9.9 -1.9 6 877 1219 0 0 -0.0 -0.0 | 271 9 8.9 -0.2 7 850 1492 95 3 -3.0 0.3 | 269 6 5.9 0.1 8 817 1829 25 10 -4.2 -9.1 | 333 10 4.7 -9.3 9 789 2134 20 10 -3.4 -9.4 | 330 11 5.5 -9.6 10 761 2438 25 13 -5.5 -11.8 | 344 12 3.4 -12.0 11 709 3048 65 17 -15.4 -7.2 | 41 10 -6.5 -7.4 12 700 3155 75 21 -20.3 -5.4 | 64 13 -11.4 -5.6 13 683 3353 85 25 -24.9 -2.2 | 82 16 -16.0 -2.4 14 610 4267 90 16 -16.0 0.0 | 88 7 -7.1 -0.2 15 546 5182 95 10 -10.0 0.9 | 123 1 -1.0 0.7 16 525 5486 0 0 -0.0 -0.0 | 271 9 8.9 -0.2 17 500 5890 180 3 0.0 3.0 | 253 9 8.9 2.8 18 400 7610 55 7 -5.7 -4.0 | 323 5 3.2 -4.2 19 383 7925 15 12 -3.1 -11.6 | 334 13 5.8 -11.8 20 339 8839 345 12 3.1 -11.6 | 314 17 12.0 -11.8 21 325 9144 310 12 9.2 -7.7 | 294 20 18.1 -7.9 22 300 9730 340 19 6.5 -17.9 | 319 24 15.4 -18.1 23 299 9754 340 18 6.2 -16.9 | 319 23 15.1 -17.1 24 286 10058 345 20 5.2 -19.3 | 324 24 14.1 -19.5 25 274 10363 315 17 12.0 -12.0 | 300 24 20.9 -12.2 26 250 11010 330 16 8.0 -13.9 | 310 22 16.9 -14.1 27 240 11278 330 15 7.5 -13.0 | 309 21 16.4 -13.2 28 219 11887 295 21 19.0 -8.9 | 288 29 28.0 -9.1 29 200 12510 320 20 12.9 -15.3 | 305 27 21.8 -15.5 30 157 14021 350 32 5.6 -31.5 | 335 35 14.5 -31.7 31 150 14320 360 30 -0.0 -30.0 | 344 31 8.9 -30.2 32 150 14326 360 30 -0.0 -30.0 | 344 31 8.9 -30.2 33 115 15850 10 28 -4.9 -27.6 | 352 28 4.1 -27.8 34 104 16459 45 9 -6.4 -6.4 | 339 7 2.6 -6.6 35 100 16680 60 9 -7.8 -4.5 | 346 5 1.1 -4.7 36 98 16764 40 11 -7.1 -8.4 | 348 9 1.9 -8.6 37 93 17069 60 9 -7.8 -4.5 | 346 5 1.1 -4.7 38 84 17642 45 22 -15.6 -15.6 | 23 17 -6.6 -15.8 39 70 18650 95 9 -9.0 0.8 | 176 1 -0.0 0.6 40 50 20600 65 25 -22.7 -10.6 | 52 17 -13.7 -10.8 41 30 23760 85 41 -40.8 -3.6 | 83 32 -31.9 -3.8 42 20 26350 100 48 -47.3 8.3 | 102 39 -38.3 8.1 Wind Parameters Mean winds (0-6000m): 61.3 at 11.9 knts Storm direction: 91.3 at 8.9 knts Shear (0-3000m) pos: 3.7 neg: 1.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 104.8 deg Storm rel helicity (0-3000m) pos: 83.8 neg: -28.1 tot: 55.6 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 2.8 10^-3/s Energy-Hel index: 0.41 Bulk Rich Number: 20.57 Bulk Shear: 69.02 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 ------------------------------------------------------------------------------- 500 311 16 297 23| 9.3 0.0 9.3| 25.8 0.0 25.8 51.7 0.28| 14.6 4.1 1000 316 13 298 20| 3.5 0.0 3.5| 35.9 -22.4 13.5 13.5 -0.02| 15.9 -0.3 1500 317 9 294 17| 3.7 0.0 3.7| 38.1 -26.5 11.6 7.7 -0.04| 12.5 -0.5 2000 332 9 301 15| 2.7 2.4 5.2| 45.9 -27.6 18.3 9.1 0.08| 12.1 1.0 2500 347 9 310 14| 2.5 1.9 4.5| 58.1 -28.1 30.0 12.0 0.15| 10.6 1.5 3000 3 10 321 13| 3.7 1.6 5.3| 83.8 -28.1 55.6 18.5 0.27| 10.4 2.8 4000 43 13 1 10| 3.6 1.2 4.8|119.1 -28.1 91.0 22.8 0.35| 10.1 3.5 5000 58 13 18 8| 2.3 1.0 3.3|121.2 -28.1 93.1 18.6 0.33| 8.8 3.0 6000 61 12 14 6| 2.2 1.3 3.5|122.3 -46.3 76.0 12.7 0.14| 9.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251228.11.gif