UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122711.upa.cvt Date: 1100Z 27 DEC 25 Searching for YBRM... Searching the city database file for: YBRM ... Date:1100Z 27 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 30.4 26.1 78 4.3 27.1 290 7 303.2 307.2 300.2 367.8 21.66 1 1000 42 30.0 25.7 78 4.3 26.7 295 8 303.1 307.1 299.9 366.4 21.22 2 959 415 26.4 24.7 90 1.7 25.2 316 7 303.2 307.0 299.7 365.2 20.84 3 950 499 29.0 17.0 48 12.0 20.6 321 7 306.6 309.0 295.6 345.5 12.94 4 940 594 30.0 12.0 33 18.0 18.2 327 6 308.6 310.3 293.6 337.2 9.41 5 932 670 30.0 9.0 27 21.0 16.7 331 6 309.3 310.8 292.6 333.1 7.75 6 925 738 29.8 7.8 25 22.0 16.1 335 6 309.8 311.1 292.2 331.9 7.19 7 889 1091 28.4 6.4 25 22.0 14.9 342 5 311.9 313.2 292.5 333.0 6.79 8 884 1141 28.0 7.0 26 21.0 15.0 343 4 312.0 313.3 292.8 334.1 7.12 9 850 1487 25.6 7.6 32 18.0 14.3 350 3 313.0 314.4 293.6 337.0 7.72 10 700 3151 11.0 6.0 71 5.0 8.0 100 12 314.7 316.3 294.6 340.9 8.41 11 678 3416 8.8 4.1 72 4.7 6.1 104 12 315.1 316.6 294.0 338.9 7.60 12 625 4084 5.0 -10.0 33 15.0 -1.6 115 11 318.2 318.7 291.0 327.6 2.86 13 609 4295 3.4 -6.6 48 10.0 -1.3 119 11 318.7 319.4 292.0 331.2 3.83 14 563 4926 -1.1 -6.1 69 5.0 -3.5 129 11 320.6 321.5 293.0 334.7 4.31 15 560 4969 -0.9 -10.9 47 10.0 -5.2 130 11 321.4 321.9 292.0 331.2 2.97 16 552 5084 -0.5 -10.5 47 10.0 -4.8 132 11 323.2 323.8 292.7 333.5 3.11 17 541 5245 -1.3 -3.8 83 2.5 -2.6 134 10 324.1 325.1 294.7 341.6 5.35 18 534 5348 -0.9 -22.9 17 22.0 -8.1 136 10 325.8 326.0 291.6 329.8 1.13 19 512 5683 -3.1 -16.1 36 13.0 -8.1 142 10 327.0 327.5 292.9 334.4 2.13 20 500 5870 -4.5 -24.5 19 20.0 -10.6 145 10 327.6 327.8 292.0 331.3 1.05 21 486 6093 -6.1 -21.1 29 15.0 -11.1 140 11 328.3 328.5 292.6 333.4 1.46 22 454 6625 -7.3 -45.3 3 38.0 -14.3 128 14 333.2 333.2 292.7 333.8 0.15 23 400 7600 -13.3 -55.3 2 42.0 -18.9 105 19 337.7 337.7 293.8 337.9 0.05 24 350 8608 -19.1 -36.1 21 17.0 -22.5 33 16 343.0 343.1 295.5 345.0 0.50 25 337 8889 -20.5 -60.5 1 40.0 -24.5 13 15 344.8 344.8 295.5 345.0 0.03 26 300 9740 -27.7 -64.7 2 37.0 -30.3 310 12 346.3 346.3 295.8 346.4 0.02 27 296 9836 -28.7 -65.7 2 37.0 -31.2 310 12 346.3 346.3 295.8 346.3 0.02 28 250 11020 -38.1 -57.1 12 19.0 -39.2 305 18 349.4 349.4 296.5 349.7 0.07 29 221 11858 -44.5 -69.5 5 25.0 -45.3 338 19 352.1 352.1 297.1 352.2 0.01 30 217 11980 -45.5 -60.5 17 15.0 -46.1 343 19 352.4 352.4 297.2 352.6 0.05 31 216 12011 -45.7 -51.7 51 6.0 -46.0 344 19 352.6 352.6 297.3 353.2 0.15 32 200 12520 -49.7 -53.4 65 3.7 -49.9 5 19 354.1 354.1 297.6 354.6 0.13 33 187 12954 -53.5 -57.0 65 3.5 -53.6 12 16 354.8 354.8 297.7 355.2 0.09 34 181 13162 -55.7 -60.7 54 5.0 -55.8 15 14 354.5 354.6 297.7 354.8 0.06 35 150 14330 -64.3 -70.3 44 6.0 -64.4 35 6 359.3 359.3 298.6 359.4 0.02 36 142 14663 -67.7 -73.7 42 6.0 -67.8 33 8 359.0 359.1 298.5 359.1 0.01 37 122 15561 -74.9 -79.9 46 5.0 -74.9 27 13 361.8 361.8 299.1 361.9 0.01 38 100 16690 -83.7 -88.3 44 4.6 -83.7 20 19 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5828.00 m Freezing level: 574.24 mb = 4772.08 m = 15656.24 ft Wetbulb zero: 636.19 mb = 3938.45 m = 12921.27 ft Precipitable water: 1.58 inches Sfc-500 mean rel hum: 49.57 % Est. max temperature: 40.05 C = 104.09 F Sfc-Lift cond lev (LCL): 944.11 mb = 554.79 m = 1820.15 ft T: 29.59 C 700-500 lapse rate: 5.70 C/km ThetaE index: 35.89 C Layer 1000.0- 889.0 mb Conv cond level (CCL): 737.72 mb = 2701.19 m = 8862.08 ft Mean mixing ratio: 14.64 g/kg Conv temperature: 41.49 C = 106.68 F Cap Strength: 6.63 C Lifted Index: -1.65 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.52 C Lifted Index @700 mb: 0.32 C Showalter Index: 3.57 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 30.10 C Cross Totals Index: 12.10 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 107.20 Risk: None Energy Index: -1.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 236.22 J/kg Max Up Vert Vel: 21.74 m/s Conv Inhibition (B-): 363.18 J/kg Cap Strength: 6.63 C Lift Cond Lev (LCL): 824.95 mb = 1743.37 m = 5719.65 ft Lev Free Conv (LFC): 689.95 mb = 3270.99 m = 10731.45 ft Equ Level (EL): 379.95 mb = 7988.13 m = 26207.47 ft B at Equ Level: 235.56 J/kg Max Parcel Lev (MPL): 189.95 mb = 12853.00 m = 42168.14 ft Wind level data Storm motion: 136 at 7 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 9 290 7 6.6 -2.4 | 303 13 11.1 -7.2 1 1000 42 295 8 7.3 -3.4 | 305 14 11.8 -8.2 2 925 738 335 6 2.5 -5.4 | 325 12 7.1 -10.2 3 850 1487 350 3 0.5 -3.0 | 327 9 5.1 -7.7 4 700 3151 100 12 -11.8 2.1 | 70 8 -7.3 -2.7 5 500 5870 145 10 -5.7 8.2 | 161 4 -1.2 3.4 6 400 7600 105 19 -18.4 4.9 | 91 14 -13.8 0.1 7 300 9740 310 12 9.2 -7.7 | 312 19 13.7 -12.5 8 250 11020 305 18 14.7 -10.3 | 308 25 19.3 -15.1 9 200 12520 5 19 -1.7 -18.9 | 353 24 2.9 -23.7 10 150 14330 35 6 -3.4 -4.9 | 353 10 1.1 -9.7 11 100 16690 20 19 -6.5 -17.9 | 5 23 -2.0 -22.6 Wind Parameters Mean winds (0-6000m): 106.5 at 8.8 knts Storm direction: 136.5 at 6.6 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 57.3 neg: -0.1 tot: 57.3 m^2/s^2 ave: 19.1 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 7.05 Bulk Shear: 33.50 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 ------------------------------------------------------------------------------- 500 306 7 311 14| 3.9 0.0 3.9| 14.3 0.0 14.3 28.6 0.87| 4.6 4.0 1000 317 7 317 13| 2.8 0.0 2.8| 19.9 0.0 19.9 19.9 0.77| 3.7 2.9 1500 323 6 320 12| 2.1 0.0 2.1| 20.4 -0.1 20.3 13.5 0.62| 3.2 2.0 2000 333 5 324 12| 2.4 0.0 2.4| 29.8 -0.1 29.7 14.9 0.72| 3.3 2.4 2500 352 6 333 12| 2.9 0.0 2.9| 42.9 -0.1 42.8 17.1 0.79| 3.7 2.9 3000 23 6 349 11| 3.1 0.0 3.1| 57.3 -0.1 57.3 19.1 0.84| 4.2 3.5 4000 73 8 22 8| 2.4 0.0 2.4| 65.5 -0.1 65.5 16.4 0.84| 3.8 3.2 5000 94 8 42 6| 1.8 0.0 1.8| 69.1 -0.1 69.0 13.8 0.84| 3.3 2.8 6000 106 9 60 5| 1.5 0.0 1.5| 71.5 -0.6 70.9 11.8 0.82| 3.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//YBRM/skewt/YBRM.skewt.20251227.11.gif