UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 9 DEC 25 Station: FAIR WMO ident: 68263 Latitude: -25.92 Longitude: 28.22 Elevation: 1500.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 201 1 925 868 SFC 857 1500 19.0 -6.0 18 25.0 7.1 180 7 305.3 305.9 286.8 314.2 2.85 3 850 1591 18.6 10.6 60 8.0 13.6 165 11 305.6 307.4 292.8 334.1 9.48 4 836 1734 17.8 9.8 59 8.0 12.8 175 10 306.2 307.9 292.7 333.8 9.14 5 828 1816 20.4 6.4 40 14.0 11.9 181 10 309.8 311.2 292.3 332.3 7.30 6 827 1827 20.4 7.4 43 13.0 12.4 182 10 309.9 311.4 292.8 334.0 7.83 7 734 2844 12.2 7.7 74 4.5 9.4 250 2 311.7 313.5 294.2 339.6 9.02 8 700 3240 9.4 1.4 57 8.0 5.0 295 1 312.9 314.0 292.2 331.9 6.06 9 667 3638 5.8 -0.2 65 6.0 2.6 209 2 313.2 314.3 292.0 331.0 5.66 10 658 3749 5.2 -0.8 65 6.0 2.0 185 2 313.7 314.8 292.0 331.0 5.49 11 613 4325 1.6 -13.4 32 15.0 -4.3 172 5 316.0 316.5 289.8 323.3 2.22 12 580 4769 -1.7 -8.7 59 7.0 -4.8 196 11 317.2 317.9 291.2 328.3 3.42 13 549 5205 -3.3 -37.3 5 34.0 -10.7 185 23 320.3 320.4 289.2 321.4 0.28 14 541 5321 -3.7 -37.7 5 34.0 -11.1 187 22 321.2 321.3 289.4 322.2 0.28 15 537 5380 -4.1 -17.1 36 13.0 -8.8 187 22 321.4 321.8 291.0 327.7 1.86 16 528 5513 -5.3 -12.3 58 7.0 -8.1 189 20 321.5 322.1 292.0 330.9 2.82 17 507 5831 -6.9 -40.9 5 34.0 -13.5 194 18 323.3 323.4 290.0 324.1 0.21 18 500 5940 -7.5 -43.5 4 36.0 -14.0 195 17 323.9 323.9 290.1 324.5 0.16 19 473 6370 -9.7 -46.7 3 37.0 -15.7 190 13 326.4 326.4 290.8 326.8 0.12 20 440 6923 -13.7 -46.7 4 33.0 -18.6 194 12 328.1 328.1 291.3 328.6 0.13 21 433 7045 -14.5 -30.5 24 16.0 -18.1 195 12 328.6 328.7 292.0 331.2 0.70 22 418 7311 -16.3 -47.3 5 31.0 -20.7 200 10 329.6 329.7 291.7 330.1 0.13 23 406 7529 -18.1 -37.1 17 19.0 -21.5 203 9 330.1 330.1 292.1 331.5 0.39 24 400 7640 -18.9 -26.9 49 8.0 -20.8 205 8 330.4 330.6 292.9 334.2 1.06 25 389 7846 -20.9 -24.1 75 3.2 -21.7 222 8 330.4 330.7 293.2 335.4 1.40 26 375 8115 -22.3 -32.3 40 10.0 -24.2 244 9 332.1 332.2 292.9 334.6 0.68 27 350 8617 -26.3 -28.5 82 2.2 -26.8 225 13 333.3 333.5 293.6 337.1 1.04 28 316 9345 -31.7 -33.6 83 1.9 -32.0 211 15 335.7 335.8 293.9 338.3 0.71 29 300 9710 -33.9 -39.9 55 6.0 -34.6 215 15 337.6 337.7 294.1 339.1 0.40 30 294 9851 -35.1 -42.1 49 7.0 -35.8 216 16 337.8 337.9 294.1 339.1 0.32 31 250 10960 -44.5 -53.5 36 9.0 -44.9 225 26 339.9 339.9 294.4 340.3 0.10 32 234 11401 -47.9 -62.9 16 15.0 -48.3 228 27 341.2 341.3 294.7 341.4 0.03 33 200 12420 -56.3 -67.3 24 11.0 -56.5 235 28 343.6 343.6 295.2 343.7 0.02 34 187 12844 -60.1 -67.1 39 7.0 -60.2 233 26 344.1 344.1 295.3 344.2 0.02 35 159 13840 -67.5 -72.3 50 4.8 -67.5 227 21 348.0 348.0 296.2 348.0 0.01 36 156 13955 -68.1 -73.0 49 4.9 -68.1 226 20 348.8 348.8 296.4 348.9 0.01 37 150 14190 -68.9 -73.9 48 5.0 -68.9 225 19 351.4 351.4 297.0 351.4 0.01 38 140 14600 -70.9 -75.9 47 5.0 -70.9 232 25 354.9 354.9 297.7 354.9 0.01 39 136 14771 -71.5 -76.5 47 5.0 -71.5 235 28 356.8 356.8 298.1 356.8 0.01 40 121 15461 -71.1 -79.1 30 8.0 -71.1 239 26 369.6 369.6 300.5 369.7 0.01 41 108 16130 -72.7 -81.7 24 9.0 -72.8 242 24 378.8 378.8 302.1 378.9 0.00 42 100 16580 -74.3 -83.3 24 9.0 -74.3 245 22 384.2 384.2 302.9 384.2 0.00 43 70 18670 -72.3 -84.3 15 12.0 -72.4 220 3 429.7 429.7 308.8 429.7 0.00 44 68 18841 -72.7 -84.7 15 12.0 -72.8 208 3 432.4 432.4 309.1 432.4 0.00 45 62 19390 -68.5 -83.5 10 15.0 -68.7 170 4 453.3 453.3 311.1 453.3 0.01 46 59 19686 -70.5 -85.5 9 15.0 -70.6 149 5 455.3 455.3 311.4 455.3 0.00 47 50 20680 -66.3 -85.3 5 19.0 -66.5 80 7 487.2 487.2 314.0 487.3 0.01 48 41 21893 -61.9 -83.9 4 22.0 -62.4 96 12 526.7 526.7 316.7 526.7 0.01 49 30 23830 -60.3 -85.3 2 25.0 -61.2 120 21 580.3 580.3 319.7 580.3 0.01 50 28 24260 -60.9 -84.9 3 24.0 -61.8 590.1 590.2 320.2 590.2 0.01 TRP 136 14771 -71.5 -76.5 47 5.0 -71.5 235 28 356.8 356.8 298.1 356.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 597.00 mb = 4540.01 m = 14894.87 ft Wetbulb zero: 643.55 mb = 3929.79 m = 12892.85 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 47.90 % Est. max temperature: 26.00 C = 78.81 F Sfc-Lift cond lev (LCL): 587.97 mb = 4659.23 m = 15285.99 ft T: -0.89 C 700-500 lapse rate: 6.26 C/km ThetaE index: 8.58 C Layer 700.0- 658.0 mb Conv cond level (CCL): 651.50 mb = 3830.13 m = 12565.89 ft Mean mixing ratio: 8.26 g/kg Conv temperature: 27.36 C = 81.25 F Cap Strength: 3.16 C Lifted Index: 1.56 C Risk: Showers probable Lifted Index @300 mb: 3.40 C Lifted Index @700 mb: 3.12 C Showalter Index: 1.80 C Risk: Showers probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 18.10 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 166.20 Risk: None Energy Index: -1.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.29 J/kg Max Up Vert Vel: 7.91 m/s Conv Inhibition (B-): 20607.36 J/kg Cap Strength: 3.16 C Lift Cond Lev (LCL): 694.15 mb = 3309.26 m = 10857.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 220 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 ---------------------------------------------------------- 0 857 1500 180 7 0.0 7.0 | 107 5 -4.7 1.5 1 850 1591 165 11 -2.8 10.6 | 124 9 -7.6 5.1 2 797 2134 205 9 3.8 8.2 | 161 3 -0.9 2.6 3 769 2438 205 3 1.3 2.7 | 51 4 -3.4 -2.8 4 700 3240 295 1 0.9 -0.4 | 32 7 -3.8 -6.0 5 640 3962 135 3 -2.1 2.1 | 63 8 -6.8 -3.4 6 593 4572 200 6 2.1 5.6 | 92 3 -2.7 0.1 7 550 5182 185 23 2.0 22.9 | 171 18 -2.7 17.4 8 500 5940 195 17 4.4 16.4 | 178 11 -0.3 10.9 9 471 6401 190 13 2.3 12.8 | 161 8 -2.4 7.3 10 434 7010 195 12 3.1 11.6 | 165 6 -1.6 6.0 11 400 7640 205 8 3.4 7.3 | 142 2 -1.3 1.7 12 369 8230 255 9 8.7 2.3 | 309 5 4.0 -3.2 13 339 8839 205 16 6.8 14.5 | 193 9 2.1 9.0 14 300 9710 215 15 8.6 12.3 | 210 8 3.9 6.7 15 250 10960 225 26 18.4 18.4 | 227 19 13.7 12.8 16 200 12420 235 28 22.9 16.1 | 240 21 18.2 10.5 17 150 14190 225 19 13.4 13.4 | 228 12 8.7 7.9 18 136 14771 235 28 22.9 16.1 | 240 21 18.2 10.5 19 100 16580 245 22 19.9 9.3 | 256 16 15.2 3.8 20 70 18670 220 3 1.9 2.3 | 41 4 -2.8 -3.2 21 50 20680 80 7 -6.9 -1.2 | 60 13 -11.6 -6.8 22 30 23830 120 21 -18.2 10.5 | 102 23 -22.9 5.0 Wind Parameters Mean winds (0-6000m): 190.3 at 9.7 knts Storm direction: 220.3 at 7.3 knts Shear (0-3000m) pos: 1.1 neg: 0.7 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -17.6 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -5.2 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 49.83 Bulk Shear: 0.63 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 ------------------------------------------------------------------------------- 500 178 10 132 7| 3.4 0.0 3.4| 8.3 0.0 8.3 16.5 0.48| 10.3 4.9 1000 188 8 126 4| 2.5 0.0 2.5| 8.8 -3.4 5.4 5.4 0.01| 9.2 0.1 1500 192 6 99 3| 2.4 0.0 2.4| 8.8 -5.2 3.6 2.4 -0.06| 7.0 -0.4 2000 194 5 78 4| 1.8 0.2 2.1| 9.8 -5.2 4.6 2.3 -0.02| 5.8 -0.1 2500 188 4 74 4| 1.5 0.9 2.4| 14.4 -5.2 9.1 3.7 0.09| 5.5 0.5 3000 186 4 75 4| 1.1 0.7 1.8| 18.3 -5.2 13.1 4.4 0.16| 5.4 0.8 4000 187 7 116 4| 0.8 2.2 3.0| 28.5 -5.7 22.8 5.7 0.22| 6.7 1.5 5000 189 9 138 5| 1.0 1.4 2.5| 31.5 -12.2 19.4 3.9 0.16| 6.2 1.0 6000 190 10 143 5| 1.2 1.2 2.4| 32.2 -12.9 19.3 3.2 0.14| 5.6 0.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251209.00.gif