UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102111.upa.cvt Date: 1100Z 21 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 21 OCT 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 149 1 925 821 SFC 853 1500 21.4 10.4 49 11.0 14.4 120 7 308.3 310.0 293.4 336.6 9.32 3 850 1550 18.8 6.8 46 12.0 11.6 245 3 305.8 307.2 291.2 328.0 7.31 4 843 1621 17.2 6.2 48 11.0 10.7 262 3 304.9 306.2 290.6 326.2 7.07 5 725 2883 5.4 3.5 88 1.9 4.4 95 10 305.4 306.6 290.6 326.0 6.80 6 714 3008 4.4 2.2 86 2.2 3.2 112 11 305.6 306.8 290.2 324.7 6.29 7 700 3169 3.4 0.0 78 3.4 1.7 135 12 306.2 307.3 289.7 323.0 5.47 8 688 3309 2.2 -0.9 80 3.1 0.7 144 11 306.4 307.4 289.5 322.4 5.21 9 684 3356 2.0 -2.1 74 4.1 0.0 147 11 306.7 307.6 289.2 321.5 4.79 10 676 3451 2.8 -8.2 44 11.0 -1.9 152 10 308.6 309.2 288.2 318.3 3.05 11 673 3487 3.2 -7.8 44 11.0 -1.6 155 10 309.5 310.1 288.6 319.5 3.16 12 627 4057 -0.7 -8.7 55 8.0 -4.1 191 8 311.4 312.0 289.2 321.4 3.16 13 583 4635 -4.7 -17.7 35 13.0 -9.0 230 18 313.2 313.6 288.3 318.6 1.63 14 520 5528 -9.5 -35.5 10 26.0 -14.7 233 39 317.9 317.9 288.5 319.2 0.36 15 506 5738 -10.5 -35.5 11 25.0 -15.5 238 47 319.1 319.2 288.9 320.5 0.37 16 500 5830 -11.3 -36.3 11 25.0 -16.1 240 51 319.3 319.3 288.9 320.5 0.34 17 403 7445 -23.7 -47.7 9 24.0 -26.3 249 50 323.5 323.5 290.0 324.0 0.13 18 400 7500 -24.1 -46.1 11 22.0 -26.6 250 50 323.7 323.7 290.0 324.3 0.15 19 305 9408 -40.5 -48.5 42 8.0 -41.0 255 65 326.7 326.8 290.9 327.3 0.15 20 300 9520 -41.3 -51.3 33 10.0 -41.8 255 65 327.2 327.2 291.0 327.6 0.11 21 294 9657 -42.5 -53.5 29 11.0 -43.0 256 66 327.3 327.4 291.0 327.7 0.09 22 286 9843 -42.9 -57.9 18 15.0 -43.5 258 68 329.4 329.4 291.6 329.6 0.05 23 278 10034 -43.5 -59.5 15 16.0 -44.1 260 70 331.2 331.2 292.1 331.4 0.05 24 276 10082 -43.8 -60.0 15 16.1 -44.4 260 71 331.4 331.4 292.2 331.6 0.04 25 250 10740 -48.3 -66.3 11 18.0 -48.7 260 68 334.3 334.3 292.9 334.3 0.02 26 241 10980 -49.9 -67.9 10 18.0 -50.3 259 67 335.4 335.4 293.2 335.4 0.02 27 204 12062 -52.3 -71.3 8 19.0 -52.7 255 64 348.0 348.0 296.2 348.0 0.01 28 200 12190 -52.3 -72.3 7 20.0 -52.7 255 64 349.9 349.9 296.6 350.0 0.01 29 188 12591 -51.7 -74.7 5 23.0 -52.1 254 62 357.2 357.2 298.1 357.2 0.01 30 150 14030 -59.3 -78.3 7 19.0 -59.5 250 55 367.9 367.9 300.2 367.9 0.01 31 139 14505 -61.9 -79.9 7 18.0 -62.1 254 49 371.4 371.4 300.8 371.5 0.00 32 110 15937 -67.7 -82.7 10 15.0 -67.8 265 31 386.2 386.3 303.2 386.3 0.00 33 103 16332 -68.7 -82.7 12 14.0 -68.8 265 28 391.7 391.7 304.0 391.7 0.00 34 100 16510 -68.1 -83.1 10 15.0 -68.2 265 26 396.2 396.2 304.7 396.2 0.00 35 70 18650 -67.1 -83.1 9 16.0 -67.2 190 9 440.8 440.8 310.0 440.9 0.01 36 56 19992 -67.9 -83.9 8 16.0 -68.1 147 12 468.1 468.1 312.5 468.1 0.01 37 50 20680 -63.5 -82.5 6 19.0 -63.8 125 14 493.8 493.8 314.5 493.9 0.01 38 37 22549 -58.5 -81.5 4 23.0 -59.4 96 22 551.1 551.1 318.2 551.2 0.01 39 30 23870 -57.1 -82.1 3 25.0 -58.3 75 28 589.0 589.0 320.1 589.1 0.02 40 20 26453 -54.3 -82.3 2 28.0 -56.6 670.0 670.0 323.4 670.1 0.02 TRP 110 15937 -67.7 -82.7 10 15.0 -67.8 265 31 386.2 386.3 303.2 386.3 0.00 WND 276 10082 -43.8 -60.0 15 16.1 -44.4 260 71 331.4 331.4 292.2 331.6 0.04 Sounding variables and indices 1000-500 mb thick: 5681.00 m Freezing level: 635.26 mb = 3955.13 m = 12976.00 ft Wetbulb zero: 683.92 mb = 3357.12 m = 11014.04 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 49.13 % Est. max temperature: 19.36 C = 66.84 F Sfc-Lift cond lev (LCL): 724.73 mb = 2885.70 m = 9467.40 ft T: 5.38 C 700-500 lapse rate: 5.52 C/km ThetaE index: 18.32 C Layer 850.0- 673.0 mb Conv cond level (CCL): 700.66 mb = 3161.37 m = 10371.81 ft Mean mixing ratio: 7.02 g/kg Conv temperature: 19.46 C = 67.03 F Cap Strength: 1.95 C Lifted Index: 1.69 C Risk: Showers probable Lifted Index @300 mb: 1.34 C Lifted Index @700 mb: 0.39 C Showalter Index: 0.93 C Risk: Thunderstorms probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 18.10 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 138.60 Risk: None Energy Index: -1.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.62 J/kg Max Up Vert Vel: 1.80 m/s Conv Inhibition (B-): 36810.56 J/kg Cap Strength: 2.95 C Lift Cond Lev (LCL): 711.07 mb = 3041.14 m = 9977.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 19 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 ---------------------------------------------------------- 0 853 1500 120 7 -6.1 3.5 | 95 25 -25.4 2.3 1 850 1550 245 3 2.7 1.3 | 90 17 -16.6 0.0 2 793 2134 30 3 -1.5 -2.6 | 80 21 -20.8 -3.8 3 764 2438 35 8 -4.6 -6.6 | 72 25 -23.9 -7.8 4 700 3169 135 12 -8.5 8.5 | 105 29 -27.8 7.2 5 633 3962 185 7 0.6 7.0 | 107 20 -18.7 5.7 6 586 4572 230 17 13.0 10.9 | 147 12 -6.3 9.7 7 543 5182 225 25 17.7 17.7 | 174 17 -1.7 16.4 8 500 5830 240 51 44.2 25.5 | 226 35 24.8 24.3 9 463 6401 245 52 47.1 22.0 | 233 35 27.8 20.7 10 427 7010 245 54 48.9 22.8 | 234 37 29.6 21.6 11 400 7500 250 50 47.0 17.1 | 240 32 27.6 15.9 12 361 8230 250 56 52.6 19.2 | 242 38 33.3 17.9 13 331 8839 255 63 60.9 16.3 | 250 44 41.5 15.1 14 300 9520 255 65 62.8 16.8 | 250 46 43.5 15.6 15 276 10082 260 71 69.9 12.3 | 258 52 50.6 11.1 16 250 10740 260 68 67.0 11.8 | 258 49 47.6 10.6 17 200 12190 255 64 61.8 16.6 | 250 45 42.5 15.3 18 150 14030 250 55 51.7 18.8 | 242 37 32.3 17.6 19 110 15937 265 31 30.9 2.7 | 263 12 11.5 1.5 20 100 16510 265 26 25.9 2.3 | 261 7 6.6 1.0 21 70 18650 190 9 1.6 8.9 | 113 19 -17.8 7.6 22 50 20680 125 14 -11.5 8.0 | 102 32 -30.8 6.8 23 30 23870 75 28 -27.0 -7.2 | 80 47 -46.4 -8.5 Wind Parameters Mean winds (0-6000m): 236.3 at 25.8 knts Storm direction: 266.3 at 19.4 knts Shear (0-3000m) pos: 3.1 neg: 1.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 45.5 deg Storm rel helicity (0-3000m) pos: 180.9 neg: -44.8 tot: 136.1 m^2/s^2 ave: 45.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 79.44 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 ------------------------------------------------------------------------------- 500 298 3 81 17| 0.0 9.3 9.3| 0.0 -27.5 -27.5 -55.1 -0.39| 15.0 -5.8 1000 24 4 77 22| 3.4 4.6 8.0| 5.7 -42.3 -36.6 -36.6 -0.33| 11.3 -3.7 1500 63 6 81 25| 4.3 3.1 7.4| 88.9 -42.3 46.6 31.1 0.11| 11.6 1.3 2000 105 7 91 26| 3.3 2.3 5.6|137.6 -42.3 95.2 47.6 0.24| 11.1 2.6 2500 124 8 97 26| 2.2 1.9 4.0|141.2 -44.8 96.4 38.6 0.21| 10.0 2.1 3000 153 8 105 24| 3.1 1.5 4.6|180.9 -44.8 136.1 45.4 0.33| 10.2 3.3 4000 206 12 125 17| 5.1 1.2 6.2|265.3 -44.8 220.5 55.1 0.46| 10.7 4.9 5000 229 20 161 13| 5.5 0.9 6.4|385.5 -44.8 340.7 68.1 0.52| 10.5 5.4 6000 236 26 189 13| 4.2 0.8 5.1|422.5 -44.8 377.7 62.9 0.52| 9.4 4.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251021.11.gif