UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110412.upa.cvt Date: 1200Z 4 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 4 NOV 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 195 1 925 859 SFC 856 1500 17.6 15.8 89 1.8 16.4 240 4 304.0 306.4 295.2 343.6 13.31 3 850 1579 16.8 13.3 80 3.5 14.5 280 5 303.7 305.8 293.7 337.6 11.37 4 822 1864 14.4 12.3 87 2.1 13.0 244 9 304.1 306.2 293.6 336.9 11.00 5 808 2009 15.2 10.2 72 5.0 12.0 226 10 306.5 308.3 293.3 335.8 9.72 6 790 2200 14.4 7.4 63 7.0 10.2 209 11 307.6 309.1 292.4 332.5 8.20 7 751 2626 11.4 6.9 74 4.5 8.7 206 8 308.8 310.4 292.9 334.3 8.34 8 724 2932 10.2 0.2 50 10.0 4.8 208 6 310.8 311.8 291.0 327.5 5.37 9 700 3212 7.6 -1.4 53 9.0 2.9 210 4 310.9 311.8 290.7 326.3 4.93 10 636 3994 0.6 -1.1 88 1.7 -0.3 184 5 311.6 312.6 291.4 328.9 5.56 11 562 4981 -3.7 -3.7 100 0.0 -3.7 316 17 317.7 318.7 292.9 334.3 5.18 12 500 5900 -7.5 -7.5 100 0.0 -7.5 290 27 323.9 324.8 293.9 338.3 4.36 13 488 6089 -8.1 -8.1 100 0.0 -8.1 286 30 325.4 326.3 294.2 339.6 4.26 14 415 7333 -15.5 -16.3 94 0.8 -15.8 280 37 331.3 331.9 294.4 340.3 2.58 15 400 7610 -17.5 -18.5 92 1.0 -17.9 280 35 332.2 332.7 294.3 340.0 2.22 16 336 8887 -27.3 -28.6 89 1.3 -27.6 275 39 335.8 336.1 294.3 339.8 1.07 17 329 9038 -28.9 -32.4 72 3.5 -29.5 276 41 335.7 335.8 294.0 338.5 0.77 18 316 9325 -30.9 -32.3 87 1.4 -31.2 278 45 336.8 337.0 294.3 339.8 0.80 19 309 9483 -32.1 -34.3 81 2.2 -32.4 279 47 337.3 337.4 294.3 339.8 0.68 20 307 9529 -32.7 -37.3 63 4.6 -33.3 279 48 337.1 337.2 294.1 339.0 0.51 21 306 9552 -33.3 -43.3 36 10.0 -34.4 279 48 336.5 336.6 293.7 337.6 0.27 22 300 9690 -34.5 -43.5 40 9.0 -35.4 280 50 336.7 336.8 293.8 337.8 0.27 23 284 10072 -37.7 -54.7 15 17.0 -38.7 280 53 337.5 337.5 293.8 337.8 0.08 24 264 10572 -42.1 -56.1 20 14.0 -42.8 280 58 338.2 338.2 293.9 338.5 0.07 25 263 10598 -42.1 -56.1 20 14.0 -42.8 280 58 338.5 338.5 294.0 338.8 0.07 26 258 10728 -42.9 -48.9 52 6.0 -43.3 280 59 339.2 339.3 294.3 339.9 0.17 27 250 10940 -44.7 -57.7 22 13.0 -45.2 280 61 339.6 339.6 294.3 339.9 0.06 28 247 11021 -44.7 -59.7 17 15.0 -45.3 279 62 340.8 340.8 294.6 341.0 0.05 29 240 11212 -45.3 -55.3 32 10.0 -45.7 277 64 342.7 342.7 295.1 343.1 0.09 30 230 11494 -47.9 -53.9 50 6.0 -48.1 274 67 342.9 343.0 295.1 343.4 0.11 31 224 11668 -49.1 -60.1 27 11.0 -49.4 273 69 343.7 343.7 295.3 343.9 0.05 32 211 12056 -52.3 -63.3 25 11.0 -52.6 269 73 344.6 344.6 295.4 344.8 0.04 33 208 12149 -52.9 -62.9 29 10.0 -53.1 268 74 345.1 345.1 295.6 345.3 0.04 34 207 12180 -52.9 -62.9 29 10.0 -53.1 267 75 345.6 345.6 295.7 345.7 0.04 35 200 12400 -55.1 -63.1 36 8.0 -55.3 265 77 345.5 345.5 295.7 345.7 0.04 36 186 12860 -58.9 -63.0 59 4.1 -59.0 261 80 346.6 346.6 295.9 346.8 0.04 37 185 12893 -59.3 -63.8 56 4.5 -59.4 261 80 346.5 346.5 295.9 346.7 0.04 38 182 12996 -59.7 -66.2 42 6.6 -59.7 260 81 347.5 347.5 296.1 347.7 0.03 39 180 13065 -59.9 -67.9 34 8.0 -60.0 261 79 348.2 348.2 296.3 348.3 0.02 40 171 13383 -62.3 -71.3 29 9.0 -62.4 263 71 349.4 349.4 296.5 349.5 0.01 41 162 13718 -61.9 -72.9 22 11.0 -62.0 266 62 355.5 355.5 297.8 355.6 0.01 42 160 13794 -62.7 -74.7 18 12.0 -62.8 267 60 355.4 355.4 297.8 355.5 0.01 43 152 14109 -64.7 -75.7 21 11.0 -64.8 269 52 357.3 357.3 298.2 357.3 0.01 44 150 14190 -64.3 -76.3 18 12.0 -64.4 270 50 359.3 359.3 298.6 359.3 0.01 45 142 14526 -63.7 -77.7 13 14.0 -63.8 269 49 366.0 366.0 299.8 366.1 0.01 46 131 15014 -68.5 -79.5 19 11.0 -68.6 267 48 366.0 366.0 299.8 366.0 0.01 47 122 15439 -70.5 -83.5 13 13.0 -70.6 265 46 369.9 369.9 300.5 369.9 0.00 48 121 15487 -70.7 -80.7 21 10.0 -70.8 265 46 370.4 370.4 300.7 370.4 0.00 49 117 15687 -70.5 -79.5 25 9.0 -70.5 264 46 374.3 374.3 301.3 374.3 0.01 50 116 15738 -70.7 -81.7 18 11.0 -70.8 264 46 374.9 374.9 301.4 374.9 0.00 51 111 15998 -72.3 -80.3 29 8.0 -72.3 263 45 376.6 376.6 301.7 376.7 0.01 52 100 16610 -73.3 -83.3 20 10.0 -73.3 260 43 386.1 386.1 303.2 386.1 0.00 53 99 16669 -72.7 -79.7 34 7.0 -72.8 260 42 388.4 388.4 303.6 388.4 0.01 54 96 16849 -71.3 -80.3 25 9.0 -71.3 262 39 394.5 394.5 304.5 394.6 0.01 55 94 16974 -70.1 -79.1 26 9.0 -70.2 263 37 399.3 399.3 305.1 399.3 0.01 56 94 16974 -70.5 -82.5 15 12.0 -70.6 263 37 398.5 398.5 305.0 398.5 0.00 57 94 16974 -70.3 -82.3 16 12.0 -70.4 263 37 398.9 398.9 305.0 398.9 0.00 58 92 17101 -71.1 -83.1 15 12.0 -71.2 264 34 399.8 399.8 305.2 399.8 0.00 59 82 17772 -76.1 -84.1 27 8.0 -76.2 269 23 402.9 402.9 305.6 402.9 0.00 60 80 17914 -76.7 -84.7 27 8.0 -76.7 270 20 404.5 404.5 305.8 404.6 0.00 61 79 17986 -76.5 -84.5 27 8.0 -76.5 266 19 406.4 406.4 306.0 406.4 0.00 62 70 18690 -71.5 -84.5 13 13.0 -71.6 230 14 431.4 431.4 309.0 431.4 0.00 63 69 18775 -71.7 -84.7 13 13.0 -71.8 224 14 432.8 432.8 309.1 432.8 0.00 64 67 18950 -67.9 -83.9 8 16.0 -68.1 212 14 444.7 444.7 310.3 444.7 0.01 65 60 19613 -68.7 -84.7 8 16.0 -68.8 168 14 457.1 457.1 311.5 457.2 0.01 66 57 19922 -65.9 -85.9 5 20.0 -66.1 148 13 470.2 470.2 312.7 470.3 0.00 67 55 20140 -64.5 -83.5 6 19.0 -64.8 133 13 478.3 478.3 313.3 478.3 0.01 68 53 20365 -66.3 -84.3 6 18.0 -66.5 118 13 479.2 479.2 313.4 479.2 0.01 69 50 20720 -64.1 -84.1 5 20.0 -64.4 95 13 492.4 492.4 314.4 492.5 0.01 70 43 21658 -57.5 -83.5 2 26.0 -58.4 108 13 530.4 530.4 316.9 530.4 0.01 71 39 22271 -60.3 -86.3 2 26.0 -61.0 117 13 538.3 538.3 317.4 538.3 0.01 72 32 23505 -59.9 -86.9 2 27.0 -60.8 134 12 570.7 570.7 319.2 570.8 0.01 73 30 23910 -57.7 -87.7 1 30.0 -58.9 140 12 587.3 587.3 320.0 587.4 0.01 74 22 25879 -55.9 -87.9 1 32.0 -57.8 125 17 647.2 647.2 322.6 647.2 0.01 75 20 26490 -53.5 -86.5 1 33.0 -56.1 120 19 672.4 672.4 323.5 672.5 0.01 76 16 27947 -47.1 -82.1 1 35.0 -52.2 737.6 737.6 325.6 737.9 0.03 77 14 28833 -45.9 -80.9 1 35.0 -51.9 770.4 770.4 326.5 770.8 0.04 TRP 80 17914 -76.7 -84.7 27 8.0 -76.7 270 20 404.5 404.5 305.8 404.6 0.00 WND 182 12996 -59.7 -66.2 42 6.6 -59.7 260 81 347.5 347.5 296.1 347.7 0.03 Sounding variables and indices 1000-500 mb thick: 5705.00 m Freezing level: 625.67 mb = 4131.39 m = 13554.25 ft Wetbulb zero: 641.43 mb = 3924.35 m = 12875.02 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 81.53 % Est. max temperature: 24.20 C = 75.56 F Sfc-Lift cond lev (LCL): 833.66 mb = 1744.01 m = 5721.75 ft T: 15.41 C 700-500 lapse rate: 5.62 C/km ThetaE index: 11.03 C Layer 850.0- 751.0 mb Conv cond level (CCL): 704.97 mb = 3153.31 m = 10345.37 ft Mean mixing ratio: 9.70 g/kg Conv temperature: 24.21 C = 75.57 F Cap Strength: 2.62 C Lifted Index: 1.27 C Risk: Showers probable Lifted Index @300 mb: 2.39 C Lifted Index @700 mb: 1.43 C Showalter Index: 0.33 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.80 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 196.60 Risk: None Energy Index: 0.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.66 J/kg Max Up Vert Vel: 12.62 m/s Conv Inhibition (B-): 87.84 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 752.62 mb = 2608.26 m = 8557.19 ft Lev Free Conv (LFC): 667.62 mb = 3598.08 m = 11804.58 ft Equ Level (EL): 537.62 mb = 5329.72 m = 17485.76 ft B at Equ Level: 78.68 J/kg Max Parcel Lev (MPL): 447.62 mb = 6752.05 m = 22152.12 ft Wind level data Storm motion: 309 at 13 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 ---------------------------------------------------------- 0 856 1500 240 4 3.5 2.0 | 146 13 -7.0 10.5 1 850 1579 280 5 4.9 -0.9 | 144 9 -5.5 7.6 2 796 2134 210 12 6.0 10.4 | 167 19 -4.5 18.9 3 767 2438 205 9 3.8 8.2 | 158 18 -6.7 16.6 4 700 3212 210 4 2.0 3.5 | 145 15 -8.5 12.0 5 637 3962 180 5 0.0 5.0 | 142 17 -10.5 13.5 6 590 4572 335 10 4.2 -9.1 | 85 6 -6.2 -0.6 7 547 5182 305 21 17.2 -12.0 | 298 8 6.7 -3.6 8 500 5900 290 27 25.4 -9.2 | 273 15 14.9 -0.7 9 468 6401 280 36 35.5 -6.3 | 265 25 25.0 2.2 10 433 7010 280 40 39.4 -6.9 | 267 29 28.9 1.5 11 400 7610 280 35 34.5 -6.1 | 264 24 24.0 2.4 12 367 8230 280 35 34.5 -6.1 | 264 24 24.0 2.4 13 337 8839 275 39 38.9 -3.4 | 260 29 28.4 5.1 14 300 9690 280 50 49.2 -8.7 | 270 39 38.8 -0.2 15 250 10940 280 61 60.1 -10.6 | 272 50 49.6 -2.1 16 200 12400 265 77 76.7 6.7 | 257 68 66.3 15.2 17 182 12996 260 81 79.8 14.1 | 252 73 69.3 22.6 18 150 14190 270 50 50.0 -0.0 | 258 40 39.5 8.5 19 100 16610 260 43 42.3 7.5 | 243 36 31.9 16.0 20 80 17914 270 20 20.0 -0.0 | 228 13 9.5 8.5 21 70 18690 230 14 10.7 9.0 | 181 17 0.3 17.5 22 50 20720 95 13 -13.0 1.1 | 112 25 -23.4 9.6 23 30 23910 140 12 -7.7 9.2 | 134 25 -18.2 17.7 24 20 26490 120 19 -16.5 9.5 | 124 32 -26.9 18.0 Wind Parameters Mean winds (0-6000m): 279.1 at 18.0 knts Storm direction: 309.1 at 13.5 knts Shear (0-3000m) pos: 2.7 neg: 1.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -34.0 deg Storm rel helicity (0-3000m) pos: 32.6 neg: -42.6 tot: -10.0 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.79 Bulk Shear: 21.03 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 ------------------------------------------------------------------------------- 500 245 7 161 12| 0.0 6.7 6.7| 12.1 -0.1 12.1 24.2 0.36| 12.1 4.4 1000 220 9 163 16| 0.0 3.0 3.0| 12.1 -18.5 -6.4 -6.4 0.02| 9.4 0.2 1500 216 8 160 16| 1.1 2.0 3.1| 12.1 -28.8 -16.6 -11.1 -0.09| 7.4 -0.7 2000 214 7 156 16| 0.8 1.4 2.2| 12.1 -33.8 -21.6 -10.8 -0.13| 6.1 -0.8 2500 210 7 154 16| 0.7 1.3 2.0| 15.4 -35.9 -20.5 -8.2 -0.11| 5.3 -0.6 3000 217 7 156 15| 2.7 1.1 3.8| 32.6 -42.6 -10.0 -3.3 -0.08| 7.3 -0.6 4000 266 9 174 9| 2.0 1.7 3.7| 32.6 -64.0 -31.4 -7.9 -0.31| 8.1 -2.5 5000 278 14 205 7| 1.6 3.0 4.6| 33.6 -88.1 -54.5 -10.9 -0.31| 8.1 -2.5 6000 279 18 232 9| 1.4 2.4 3.8| 39.3 -95.1 -55.8 -9.3 -0.29| 7.4 -2.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251104.12.gif