UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 21 DEC 25 Station: SB099 WMO ident: 82099 Latitude: 0.05 Longitude: -51.07 ------------------------------------------------------------------------------- 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 1011 20 24.2 22.1 88 2.1 22.7 30 2 296.4 299.5 295.5 344.9 16.79 1 1000 115 23.6 22.2 92 1.4 22.6 65 5 296.8 299.8 295.8 346.1 17.09 2 925 796 21.0 17.8 82 3.2 18.8 60 21 300.8 303.3 294.8 341.9 14.00 3 921 834 21.0 17.4 80 3.6 18.5 60 21 301.2 303.7 294.7 341.4 13.70 4 850 1526 17.0 14.2 84 2.8 15.1 60 22 304.0 306.2 294.3 339.9 12.07 5 772 2342 12.0 12.0 100 0.0 12.0 65 17 307.1 309.2 294.7 341.7 11.49 6 733 2777 11.0 10.2 95 0.8 10.5 17 11 310.5 312.6 295.1 343.4 10.73 7 727 2846 11.8 8.3 79 3.5 9.6 9 10 312.2 314.0 294.7 341.5 9.50 8 700 3162 9.8 7.5 86 2.3 8.4 335 3 313.3 315.1 294.8 342.3 9.34 9 672 3500 7.0 6.2 95 0.8 6.5 296 5 313.9 315.6 294.7 341.5 8.89 10 646 3824 6.0 2.2 77 3.8 3.8 265 8 316.3 317.6 293.9 338.3 6.96 11 500 5880 -5.9 -5.9 100 0.0 -5.9 240 13 325.8 326.8 294.8 342.2 4.93 12 487 6086 -7.1 -7.1 100 0.0 -7.1 240 17 326.8 327.8 294.8 342.2 4.62 13 471 6347 -7.3 -10.2 80 2.9 -8.6 244 18 329.7 330.5 294.9 342.4 3.74 14 430 7050 -12.7 -12.8 99 0.1 -12.8 231 18 331.6 332.2 295.0 343.0 3.32 15 400 7600 -15.5 -18.0 81 2.5 -16.4 225 22 334.8 335.3 295.0 343.0 2.32 16 376 8064 -18.5 -25.5 54 7.0 -20.4 235 24 336.9 337.1 294.7 341.5 1.28 17 356 8469 -21.5 -23.9 81 2.4 -22.2 233 24 338.1 338.4 295.2 343.8 1.56 18 300 9710 -29.7 -32.7 75 3.0 -30.2 220 25 343.5 343.7 295.9 346.6 0.82 19 297 9781 -30.3 -33.3 75 3.0 -30.8 218 23 343.7 343.8 295.9 346.6 0.78 20 284 10098 -32.7 -36.4 69 3.7 -33.3 201 17 344.6 344.8 296.0 347.0 0.60 21 265 10580 -37.1 -38.2 89 1.1 -37.2 181 14 345.1 345.2 296.0 347.2 0.53 22 250 10980 -40.1 -44.8 61 4.7 -40.5 150 15 346.4 346.5 296.1 347.6 0.28 23 241 11229 -42.1 -49.1 46 7.0 -42.6 142 15 347.1 347.1 296.1 347.8 0.18 24 229 11572 -45.3 -47.4 79 2.1 -45.4 131 14 347.3 347.4 296.3 348.3 0.23 25 209 12175 -50.5 -57.5 43 7.0 -50.8 127 15 348.4 348.4 296.4 348.7 0.08 26 200 12460 -53.3 -59.3 48 6.0 -53.5 135 16 348.4 348.4 296.3 348.6 0.06 27 180 13128 -59.7 -63.4 62 3.7 -59.7 149 17 348.6 348.6 296.4 348.8 0.04 28 161 13815 -65.9 -67.5 80 1.6 -65.9 145 18 349.4 349.4 296.5 349.5 0.03 29 154 14083 -68.5 -72.6 55 4.1 -68.5 144 20 349.4 349.4 296.5 349.5 0.01 30 150 14240 -69.9 -72.4 70 2.5 -69.9 155 25 349.7 349.7 296.5 349.7 0.01 31 147 14360 -70.7 -73.0 71 2.3 -70.7 154 25 350.3 350.3 296.7 350.4 0.01 32 135 14861 -74.9 -79.1 52 4.2 -74.9 151 26 351.5 351.5 297.0 351.5 0.01 33 111 15989 -78.5 -86.5 26 8.0 -78.5 30 6 365.0 365.0 299.7 365.0 0.00 34 101 16524 -81.7 -87.7 35 6.0 -81.7 87 17 368.8 368.8 300.4 368.8 0.00 35 100 16580 -81.9 -87.9 35 6.0 -81.9 120 26 369.5 369.5 300.5 369.5 0.00 36 95 16865 -83.7 -88.7 41 5.0 -83.7 120 48 371.4 371.4 300.8 371.4 0.00 37 85 17495 -74.7 -88.7 10 14.0 -74.7 107 46 401.6 401.6 305.4 401.6 0.00 38 70 18610 -78.7 -88.7 18 10.0 -78.7 255 34 416.0 416.0 307.2 416.0 0.00 39 68 18775 -79.3 -88.3 21 9.0 -79.3 255 34 418.2 418.2 307.5 418.2 0.00 40 58 19688 -76.3 -89.3 11 13.0 -76.3 223 25 444.4 444.4 310.3 444.4 0.00 41 56 19893 -72.9 -88.9 7 16.0 -73.0 226 21 456.7 456.7 311.5 456.7 0.00 42 50 20560 -72.3 -89.3 6 17.0 -72.4 110 23 473.1 473.1 312.9 473.1 0.00 43 43 21444 -73.7 -90.7 6 17.0 -73.8 78 35 490.5 490.5 314.2 490.5 0.00 44 33 23026 -64.3 -89.3 2 25.0 -64.8 90 60 554.0 554.0 318.3 554.1 0.00 45 30 23610 -63.9 -88.9 2 25.0 -64.5 90 63 570.4 570.4 319.2 570.5 0.00 46 24 24990 -60.9 -87.9 2 27.0 -61.9 90 68 616.7 616.8 321.3 616.8 0.01 47 23 25261 -51.7 -84.7 1 33.0 -54.4 90 69 651.4 651.4 322.7 651.5 0.01 48 20 26180 -46.1 -81.1 1 35.0 -50.8 85 45 695.1 695.1 324.3 695.3 0.03 49 19 26522 -45.5 -80.5 1 35.0 -50.6 85 44 707.2 707.2 324.7 707.5 0.03 TRP 95 16865 -83.7 -88.7 41 5.0 -83.7 120 48 371.4 371.4 300.8 371.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 572.39 mb = 4860.66 m = 15946.84 ft Wetbulb zero: 588.53 mb = 4571.68 m = 14998.77 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 88.14 % Est. max temperature: 31.31 C = 88.36 F Sfc-Lift cond lev (LCL): 980.87 mb = 283.73 m = 930.87 ft T: 22.96 C 700-500 lapse rate: 5.78 C/km ThetaE index: 6.25 C Layer 925.0- 772.0 mb Conv cond level (CCL): 874.68 mb = 1278.96 m = 4196.00 ft Mean mixing ratio: 15.41 g/kg Conv temperature: 30.76 C = 87.37 F Cap Strength: 1.88 C Lifted Index: -0.65 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.10 C Lifted Index @700 mb: 0.93 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.10 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 227.40 Risk: None Energy Index: 0.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.69 J/kg Max Up Vert Vel: 10.17 m/s Conv Inhibition (B-): 40.69 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 927.64 mb = 771.14 m = 2529.96 ft Lev Free Conv (LFC): 802.64 mb = 2012.03 m = 6601.07 ft Equ Level (EL): 742.64 mb = 2667.11 m = 8750.24 ft B at Equ Level: 18.33 J/kg Max Parcel Lev (MPL): 692.64 mb = 3249.51 m = 10660.98 ft Wind level data Storm motion: 71 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 1011 20 30 2 -1.0 -1.7 | 261 8 7.9 1.3 1 1000 115 65 5 -4.5 -2.1 | 258 4 4.4 0.9 2 979 305 60 16 -13.9 -8.0 | 45 7 -4.9 -5.0 3 945 610 70 18 -16.9 -6.2 | 68 9 -8.0 -3.1 4 925 796 60 21 -18.2 -10.5 | 51 12 -9.3 -7.5 5 912 914 60 20 -17.3 -10.0 | 50 11 -8.4 -7.0 6 850 1524 55 21 -17.2 -12.0 | 42 12 -8.3 -9.0 7 850 1526 60 22 -19.1 -11.0 | 52 13 -10.1 -8.0 8 820 1829 60 22 -19.1 -11.0 | 52 13 -10.1 -8.0 9 791 2134 65 20 -18.1 -8.5 | 59 11 -9.2 -5.4 10 763 2438 65 15 -13.6 -6.3 | 54 6 -4.7 -3.3 11 736 2743 20 12 -4.1 -11.3 | 330 10 4.8 -8.3 12 700 3162 335 3 1.3 -2.7 | 268 10 10.2 0.3 13 684 3353 310 3 2.3 -1.9 | 265 11 11.2 1.1 14 634 3962 250 10 9.4 3.4 | 251 19 18.3 6.4 15 610 4267 260 5 4.9 0.9 | 254 14 13.9 3.9 16 545 5182 265 10 10.0 0.9 | 258 19 18.9 3.9 17 525 5486 245 13 11.8 5.5 | 248 22 20.7 8.5 18 506 5791 240 13 11.3 6.5 | 245 22 20.2 9.5 19 500 5880 240 13 11.3 6.5 | 245 22 20.2 9.5 20 486 6096 240 17 14.7 8.5 | 244 26 23.7 11.5 21 467 6401 245 18 16.3 7.6 | 247 27 25.2 10.6 22 449 6706 220 17 10.9 13.0 | 231 26 19.9 16.0 23 415 7315 240 19 16.5 9.5 | 244 28 25.4 12.5 24 400 7600 225 22 15.6 15.6 | 233 31 24.5 18.6 25 399 7620 225 22 15.6 15.6 | 233 31 24.5 18.6 26 383 7925 235 24 19.7 13.8 | 240 33 28.6 16.8 27 367 8230 235 24 19.7 13.8 | 240 33 28.6 16.8 28 300 9710 220 25 16.1 19.2 | 228 33 25.0 22.2 29 298 9754 220 24 15.4 18.4 | 229 32 24.4 21.4 30 285 10058 200 17 5.8 16.0 | 218 24 14.7 19.0 31 273 10363 205 14 5.9 12.7 | 223 22 14.8 15.7 32 261 10668 170 14 -2.4 13.8 | 201 18 6.5 16.8 33 250 10973 155 12 -5.1 10.9 | 196 14 3.9 13.9 34 250 10980 150 15 -7.5 13.0 | 185 16 1.4 16.0 35 218 11887 120 14 -12.1 7.0 | 162 11 -3.2 10.0 36 200 12460 135 16 -11.3 11.3 | 171 15 -2.4 14.3 37 172 13411 155 18 -7.6 16.3 | 184 19 1.3 19.3 38 155 14021 140 18 -11.6 13.8 | 171 17 -2.6 16.8 39 150 14240 155 25 -10.6 22.7 | 176 26 -1.6 25.7 40 133 14935 150 26 -13.0 22.5 | 171 26 -4.1 25.5 41 126 15240 145 27 -15.5 22.1 | 165 26 -6.6 25.1 42 120 15545 105 11 -10.6 2.8 | 164 6 -1.7 5.9 43 113 15850 25 6 -2.5 -5.4 | 291 7 6.4 -2.4 44 102 16459 50 7 -5.4 -4.5 | 293 4 3.6 -1.5 45 100 16580 120 26 -22.5 13.0 | 140 21 -13.6 16.0 46 97 16764 120 26 -22.5 13.0 | 140 21 -13.6 16.0 47 95 16865 120 48 -41.6 24.0 | 130 42 -32.6 27.0 48 87 17374 120 54 -46.8 27.0 | 128 48 -37.8 30.0 49 78 17983 60 18 -15.6 -9.0 | 48 9 -6.7 -6.0 50 74 18288 55 13 -10.6 -7.5 | 21 5 -1.7 -4.4 51 70 18593 265 11 11.0 1.0 | 259 20 19.9 4.0 52 70 18610 255 34 32.8 8.8 | 254 43 41.8 11.8 53 67 18898 255 34 32.8 8.8 | 254 43 41.8 11.8 54 60 19507 220 26 16.7 19.9 | 228 34 25.6 22.9 55 57 19812 225 24 17.0 17.0 | 232 33 25.9 20.0 56 54 20117 230 13 10.0 8.4 | 239 22 18.9 11.4 57 51 20422 120 10 -8.7 5.0 | 182 8 0.3 8.0 58 50 20560 110 23 -21.6 7.9 | 131 17 -12.7 10.9 59 49 20726 110 23 -21.6 7.9 | 131 17 -12.7 10.9 60 46 21031 75 31 -29.9 -8.0 | 77 22 -21.0 -5.0 61 44 21336 70 34 -31.9 -11.6 | 69 25 -23.0 -8.6 62 42 21641 90 36 -36.0 0.0 | 96 27 -27.1 3.0 63 40 21946 90 54 -54.0 0.0 | 94 45 -45.1 3.0 64 30 23610 90 63 -63.0 0.0 | 93 54 -54.1 3.0 65 22 25603 90 70 -70.0 0.0 | 93 61 -61.1 3.0 66 20 26180 85 45 -44.8 -3.9 | 89 36 -35.9 -0.9 67 17 26822 85 41 -40.8 -3.6 | 89 32 -31.9 -0.6 Wind Parameters Mean winds (0-6000m): 41.4 at 12.6 knts Storm direction: 71.4 at 9.4 knts Shear (0-3000m) pos: 2.8 neg: 3.2 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 25.7 deg Storm rel helicity (0-3000m) pos: 21.3 neg: -52.7 tot: -31.4 m^2/s^2 ave: -10.5 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 19.28 Bulk Shear: 2.68 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 62 12 32 3| 16.3 0.0 16.3| 8.1 -0.2 7.9 15.9 0.59| 19.1 11.2 1000 63 16 50 7| 8.2 1.9 10.1| 9.9 -9.3 0.6 0.6 0.34| 12.8 4.3 1500 60 17 48 8| 5.4 1.8 7.3| 9.9 -13.3 -3.4 -2.3 0.27| 9.1 2.4 2000 61 18 50 9| 4.2 1.4 5.6| 19.8 -13.3 6.5 3.2 0.33| 7.8 2.6 2500 61 18 51 9| 3.4 1.5 4.9| 21.3 -19.5 1.8 0.7 0.17| 8.1 1.4 3000 58 17 42 8| 2.8 3.2 6.0| 21.3 -52.7 -31.4 -10.5 -0.14| 9.4 -1.3 4000 54 14 26 6| 2.1 3.5 5.6| 21.4 -81.9 -60.5 -15.1 -0.23| 8.8 -2.0 5000 50 13 8 5| 1.7 2.8 4.5| 29.1 -81.9 -52.8 -10.6 -0.18| 7.9 -1.4 6000 41 13 354 6| 1.4 2.9 4.3| 29.9-111.0 -81.2 -13.5 -0.22| 7.4 -1.6 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251221.12.gif