UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121923.upa.cvt Date: 2300Z 19 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:2300Z 19 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 30.8 24.8 70 6.0 26.3 250 14 303.4 307.1 299.2 362.8 19.96 1 1000 61 29.4 24.5 75 4.9 25.7 250 11 302.5 306.2 298.9 361.0 19.71 2 973 305 27.0 23.8 83 3.2 24.6 260 14 302.5 306.1 298.7 360.1 19.42 3 946 554 24.8 22.8 89 2.0 23.3 248 14 302.7 306.2 298.4 358.4 18.78 4 925 752 23.8 20.7 83 3.1 21.6 255 13 303.6 306.8 297.4 353.7 16.84 5 903 962 22.6 19.1 81 3.5 20.1 259 13 304.5 307.4 296.8 351.0 15.60 6 883 1158 23.4 13.4 53 10.0 16.7 256 11 307.3 309.4 294.4 340.5 11.01 7 850 1490 21.2 12.2 56 9.0 15.3 170 4 308.4 310.3 294.4 340.4 10.56 8 704 3093 10.8 2.8 58 8.0 6.2 125 18 313.9 315.2 293.0 334.8 6.66 9 700 3141 10.2 3.2 62 7.0 6.2 130 18 313.8 315.1 293.2 335.4 6.90 10 649 3763 4.4 3.9 97 0.5 4.1 151 21 314.1 315.6 294.0 338.5 7.83 11 612 4239 1.8 -3.2 69 5.0 -0.7 142 26 316.4 317.4 292.3 332.2 4.94 12 592 4506 -0.5 -2.0 90 1.5 -1.3 135 30 316.8 317.8 292.9 334.6 5.59 13 574 4752 -2.1 -4.6 83 2.5 -3.3 129 33 317.7 318.6 292.5 332.9 4.74 14 552 5062 -3.3 -9.3 63 6.0 -5.9 118 32 319.8 320.5 292.0 331.1 3.42 15 538 5265 -4.1 -6.6 83 2.5 -5.3 110 29 321.2 322.1 293.2 335.4 4.34 16 533 5338 -4.1 -5.0 93 0.9 -4.6 107 28 322.1 323.1 293.9 338.3 4.95 17 500 5840 -6.9 -8.7 87 1.8 -7.7 100 19 324.6 325.4 293.8 337.8 3.97 18 461 6472 -9.9 -13.2 77 3.3 -11.2 67 8 328.5 329.1 294.0 338.7 3.00 19 438 6867 -10.7 -19.7 48 9.0 -13.7 100 12 332.3 332.7 294.0 338.8 1.83 20 429 7027 -11.7 -23.7 36 12.0 -15.3 126 12 333.0 333.3 293.8 337.8 1.32 21 400 7560 -15.7 -22.7 55 7.0 -17.8 160 13 334.6 334.9 294.3 340.1 1.54 22 389 7769 -17.3 -24.3 54 7.0 -19.3 166 14 335.2 335.4 294.4 340.1 1.38 23 373 8083 -18.7 -33.7 25 15.0 -21.8 175 15 337.4 337.5 294.2 339.6 0.59 24 333 8917 -25.1 -45.1 14 20.0 -27.6 184 21 339.7 339.8 294.4 340.5 0.21 25 303 9599 -28.1 -61.1 3 33.0 -30.6 202 33 344.8 344.8 295.5 344.9 0.03 26 302 9622 -28.3 -61.3 3 33.0 -30.8 203 34 344.8 344.8 295.5 345.0 0.03 27 300 9670 -28.7 -61.7 3 33.0 -31.2 205 35 344.9 344.9 295.5 345.1 0.03 28 270 10416 -35.3 -63.3 4 28.0 -36.8 204 35 345.9 345.9 295.7 346.0 0.03 29 259 10706 -36.7 -67.7 3 31.0 -38.1 202 34 348.0 348.0 296.2 348.0 0.02 30 250 10950 -38.9 -67.9 3 29.0 -40.1 220 31 348.2 348.2 296.3 348.3 0.02 31 200 12440 -50.5 -71.5 7 21.0 -51.0 205 31 352.8 352.8 297.3 352.9 0.01 32 163 13740 -61.3 -79.3 7 18.0 -61.4 240 24 355.9 355.9 297.9 355.9 0.00 33 150 14250 -65.9 -79.9 12 14.0 -66.0 235 26 356.6 356.6 298.0 356.6 0.00 34 147 14372 -67.5 -80.5 14 13.0 -67.6 235 26 355.9 355.9 297.9 355.9 0.00 35 123 15426 -76.1 -83.1 32 7.0 -76.1 223 21 358.8 358.8 298.5 358.8 0.00 36 100 16610 -80.3 -84.2 52 3.9 -80.3 295 8 372.6 372.6 301.0 372.6 0.00 37 94 16955 -83.3 -86.1 61 2.8 -83.3 290 13 373.3 373.3 301.1 373.3 0.00 38 89 17260 -80.7 -87.7 30 7.0 -80.7 316 14 384.4 384.4 302.9 384.4 0.00 39 80 17860 -79.9 -88.9 21 9.0 -79.9 7 17 398.0 398.0 304.9 398.0 0.00 40 79 17931 -79.7 -88.7 21 9.0 -79.7 13 17 399.8 399.8 305.2 399.8 0.00 41 72 18452 -82.1 -90.1 24 8.0 -82.1 57 19 405.5 405.5 305.9 405.5 0.00 42 70 18610 -79.3 -89.3 18 10.0 -79.3 70 20 414.7 414.7 307.1 414.7 0.00 43 61 19403 -74.1 -90.1 7 16.0 -74.2 72 19 443.0 443.0 310.2 443.0 0.00 44 50 20570 -71.7 -91.7 4 20.0 -71.8 75 18 474.5 474.5 313.0 474.5 0.00 45 33 23106 -57.3 -88.3 1 31.0 -58.5 67 24 572.6 572.6 319.3 572.6 0.00 46 30 23710 -55.5 -87.5 1 32.0 -57.0 65 25 593.3 593.3 320.3 593.4 0.01 47 28 24149 -55.3 -87.3 1 32.0 -56.9 67 24 605.7 605.7 320.9 605.8 0.01 48 25 24867 -57.1 -88.1 1 31.0 -58.6 69 21 620.5 620.5 321.5 620.5 0.01 49 20 26290 -52.7 -85.7 1 33.0 -55.5 75 17 674.9 674.9 323.6 675.0 0.01 50 17 27349 -49.1 -85.1 1 36.0 -53.3 81 24 718.5 718.5 325.0 718.6 0.02 51 15 28168 -50.7 -85.7 1 35.0 -54.7 85 30 739.4 739.4 325.6 739.5 0.02 52 12 29652 -41.7 -81.7 1 40.0 -50.3 93 40 820.0 820.0 327.7 820.4 0.04 53 10 30880 -44.9 -82.9 1 38.0 -52.7 100 48 851.9 852.0 328.4 852.3 0.04 54 9.7 31084 -45.1 -83.1 1 38.0 -52.9 858.6 858.7 328.6 859.0 0.04 55 7.6 32734 -39.3 -81.3 0 42.0 -51.3 944.1 944.2 330.2 944.9 0.07 56 6.5 33800 -41.3 -82.3 0 41.0 -52.9 978.8 978.9 330.8 979.6 0.07 TRP 94 16955 -83.3 -86.1 61 2.8 -83.3 290 13 373.3 373.3 301.1 373.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 596.35 mb = 4447.64 m = 14591.80 ft Wetbulb zero: 617.45 mb = 4166.95 m = 13670.93 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 73.03 % Est. max temperature: 35.54 C = 95.97 F Sfc-Lift cond lev (LCL): 922.88 mb = 772.04 m = 2532.92 ft T: 23.69 C 700-500 lapse rate: 6.34 C/km ThetaE index: 28.03 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 840.88 mb = 1581.83 m = 5189.67 ft Mean mixing ratio: 18.43 g/kg Conv temperature: 36.06 C = 96.90 F Cap Strength: 2.55 C Lifted Index: -6.57 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.34 C Lifted Index @700 mb: -2.42 C Showalter Index: -0.30 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 19.10 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 173.40 Risk: None Energy Index: -0.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2043.99 J/kg Max Up Vert Vel: 63.94 m/s Conv Inhibition (B-): 61.97 J/kg Cap Strength: 2.49 C Lift Cond Lev (LCL): 911.65 mb = 879.10 m = 2884.14 ft Lev Free Conv (LFC): 776.65 mb = 2257.84 m = 7407.52 ft Equ Level (EL): 126.65 mb = 15252.98 m = 50041.98 ft B at Equ Level: 2033.29 J/kg Max Parcel Lev (MPL): 66.65 mb = 18892.39 m = 61982.17 ft Wind level data Storm motion: 164 at 14 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 9 250 14 13.2 4.8 | 296 19 16.8 -8.3 1 1000 61 250 11 10.3 3.8 | 304 17 14.0 -9.3 2 973 305 260 14 13.8 2.4 | 301 20 17.4 -10.7 3 940 610 245 14 12.7 5.9 | 294 18 16.3 -7.2 4 925 752 255 13 12.6 3.4 | 301 19 16.2 -9.7 5 908 914 260 14 13.8 2.4 | 301 20 17.4 -10.7 6 877 1219 255 10 9.7 2.6 | 308 17 13.3 -10.5 7 850 1490 170 4 -0.7 3.9 | 342 10 2.9 -9.2 8 847 1524 215 1 0.6 0.8 | 341 13 4.2 -12.3 9 788 2134 130 10 -7.7 6.4 | 31 8 -4.0 -6.7 10 734 2743 90 16 -16.0 0.0 | 43 18 -12.4 -13.1 11 700 3141 130 18 -13.8 11.6 | 81 10 -10.2 -1.5 12 682 3353 145 17 -9.8 13.9 | 98 6 -6.1 0.8 13 632 3962 155 23 -9.7 20.8 | 142 10 -6.1 7.7 14 608 4267 140 27 -17.4 20.7 | 119 16 -13.7 7.6 15 564 4877 125 35 -28.7 20.1 | 106 26 -25.0 7.0 16 523 5486 100 25 -24.6 4.3 | 67 23 -21.0 -8.8 17 500 5840 100 19 -18.7 3.3 | 57 18 -15.1 -9.8 18 484 6096 105 17 -16.4 4.4 | 56 15 -12.8 -8.7 19 465 6401 65 7 -6.3 -3.0 | 10 16 -2.7 -16.1 20 447 6706 75 13 -12.6 -3.4 | 28 19 -8.9 -16.5 21 430 7010 125 12 -9.8 6.9 | 45 9 -6.2 -6.2 22 400 7560 160 13 -4.4 12.2 | 42 1 -0.8 -0.9 23 365 8230 180 16 0.0 16.0 | 231 5 3.6 2.9 24 322 9144 185 23 2.0 22.9 | 210 11 5.6 9.8 25 300 9670 205 35 14.8 31.7 | 225 26 18.4 18.6 26 284 10058 210 36 18.0 31.2 | 230 28 21.6 18.1 27 260 10668 200 34 11.6 31.9 | 219 24 15.3 18.8 28 250 10950 220 31 19.9 23.7 | 246 26 23.6 10.6 29 249 10973 225 31 21.9 21.9 | 251 27 25.6 8.8 30 208 12192 200 34 11.6 31.9 | 219 24 15.3 18.8 31 200 12440 205 31 13.1 28.1 | 228 22 16.7 15.0 32 171 13411 220 23 14.8 17.6 | 256 19 18.4 4.5 33 163 13716 240 24 20.8 12.0 | 273 24 24.4 -1.1 34 150 14250 235 26 21.3 14.9 | 266 25 24.9 1.8 35 133 14935 235 27 22.1 15.5 | 265 26 25.8 2.4 36 120 15545 220 19 12.2 14.6 | 265 16 15.8 1.4 37 114 15850 240 19 16.5 9.5 | 280 20 20.1 -3.6 38 108 16154 230 18 13.8 11.6 | 275 17 17.4 -1.5 39 103 16459 190 10 1.7 9.8 | 301 6 5.4 -3.3 40 100 16610 295 8 7.3 -3.4 | 327 20 10.9 -16.5 41 97 16764 295 7 6.3 -3.0 | 328 19 10.0 -16.1 42 94 16955 290 13 12.2 -4.4 | 318 24 15.9 -17.6 43 70 18610 70 20 -18.8 -6.8 | 37 25 -15.2 -19.9 44 50 20570 75 18 -17.4 -4.7 | 38 22 -13.7 -17.8 45 30 23710 65 25 -22.7 -10.6 | 39 30 -19.0 -23.7 46 20 26290 75 17 -16.4 -4.4 | 36 22 -12.8 -17.5 47 10 30880 100 48 -47.3 8.3 | 84 44 -43.6 -4.8 Wind Parameters Mean winds (0-6000m): 134.5 at 18.1 knts Storm direction: 164.5 at 13.6 knts Shear (0-3000m) pos: 0.6 neg: 4.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 129.5 deg Storm rel helicity (0-3000m) pos: 90.5 neg: -18.8 tot: 71.7 m^2/s^2 ave: 23.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 4.0 10^-3/s Energy-Hel index: 0.71 Bulk Rich Number: 20.87 Bulk Shear: 97.95 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 ------------------------------------------------------------------------------- 500 255 13 301 19| 0.0 0.0 0.0| 10.0 -11.6 -1.5 -3.0 -0.02| 8.1 -0.2 1000 254 13 300 19| 1.2 0.0 1.2| 25.3 -15.5 9.8 9.8 0.15| 7.3 1.1 1500 253 12 303 18| 0.8 4.1 4.9| 48.2 -15.5 32.8 21.8 0.32| 10.1 3.2 2000 245 10 305 16| 0.6 4.5 5.1| 55.6 -17.2 38.4 19.2 0.34| 9.7 3.3 2500 227 10 299 13| 0.5 5.3 5.8| 66.6 -17.2 49.5 19.8 0.38| 9.7 3.7 3000 192 11 290 6| 0.6 4.4 5.0| 90.5 -18.8 71.7 23.9 0.40| 10.1 4.0 4000 161 13 50 1| 2.0 3.3 5.3|115.6 -19.5 96.1 24.0 0.45| 9.6 4.4 5000 147 17 99 6| 1.6 4.5 6.0|115.6 -86.4 29.2 5.8 0.22| 9.9 2.2 6000 134 18 88 9| 1.5 3.6 5.1|115.6-184.7 -69.1 -11.5 0.04| 10.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251219.23.gif