UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110912.upa.cvt Date: 1200Z 9 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 9 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 140 1 925 815 SFC 852 1500 22.8 9.8 44 13.0 14.5 360 4 309.8 311.5 293.6 337.3 8.96 3 850 1547 21.4 9.4 46 12.0 13.8 20 8 308.6 310.2 293.1 335.2 8.74 4 840 1649 20.2 8.2 46 12.0 12.8 17 9 308.3 309.9 292.6 333.2 8.15 5 700 3183 5.4 4.5 94 0.9 4.9 55 8 308.5 309.9 292.2 331.6 7.57 6 699 3195 5.2 4.3 94 0.9 4.7 55 8 308.4 309.8 292.0 331.2 7.47 7 697 3218 4.8 3.2 89 1.6 3.9 55 8 308.2 309.5 291.5 329.4 6.93 8 690 3301 5.4 -0.6 65 6.0 2.3 54 8 309.7 310.7 290.6 326.2 5.31 9 689 3312 5.4 -0.6 65 6.0 2.3 54 8 309.9 310.9 290.7 326.4 5.32 10 646 3835 0.8 -1.5 85 2.3 -0.4 51 8 310.4 311.4 290.9 327.0 5.31 11 639 3923 0.6 -7.4 55 8.0 -2.9 50 8 311.2 311.8 289.4 322.0 3.43 12 636 3961 0.2 -3.2 78 3.4 -1.4 50 8 311.1 312.0 290.6 326.0 4.75 13 615 4229 -1.7 -2.8 92 1.1 -2.3 50 6 311.9 312.9 291.1 327.8 5.07 14 605 4360 -1.1 -10.1 50 9.0 -4.8 50 5 314.1 314.7 289.9 323.6 2.93 15 593 4520 -1.5 -6.4 69 4.9 -3.7 50 4 315.4 316.2 291.2 328.3 4.00 16 565 4904 -3.9 -8.0 73 4.1 -5.7 6 6 317.0 317.7 291.5 329.0 3.71 17 537 5304 -5.7 -17.7 38 12.0 -9.8 322 8 319.5 319.8 290.4 325.5 1.77 18 510 5707 -8.9 -15.9 57 7.0 -11.3 310 8 320.4 320.8 291.0 327.6 2.17 19 503 5814 -9.3 -25.3 26 16.0 -13.6 306 8 321.2 321.3 290.1 324.5 0.97 20 500 5860 -9.5 -27.5 22 18.0 -14.1 305 8 321.5 321.6 290.0 324.3 0.80 21 491 6000 -9.9 -29.9 18 20.0 -14.7 302 9 322.6 322.8 290.3 325.0 0.65 22 477 6221 -11.3 -23.3 36 12.0 -14.7 298 9 323.6 323.8 291.1 327.9 1.23 23 464 6432 -12.5 -33.5 16 21.0 -16.9 294 10 324.7 324.8 290.7 326.4 0.49 24 461 6482 -12.7 -24.7 36 12.0 -16.0 293 10 325.0 325.2 291.4 329.0 1.12 25 444 6766 -14.7 -30.7 24 16.0 -18.3 286 9 326.0 326.1 291.3 328.4 0.67 26 437 6886 -15.1 -41.1 9 26.0 -19.4 283 8 327.0 327.0 291.1 327.9 0.24 27 419 7203 -15.7 -43.7 7 28.0 -20.1 277 9 330.2 330.2 292.0 330.9 0.19 28 400 7550 -18.5 -45.5 7 27.0 -22.3 270 10 330.9 331.0 292.2 331.6 0.16 29 391 7720 -19.7 -50.7 5 31.0 -23.4 274 10 331.5 331.6 292.2 331.9 0.09 30 326 9043 -30.7 -35.0 66 4.3 -31.3 252 12 334.1 334.2 293.4 336.3 0.60 31 300 9630 -34.5 -38.5 67 4.0 -35.0 260 20 336.7 336.8 294.0 338.5 0.46 32 250 10880 -45.3 -47.8 76 2.5 -45.4 250 34 338.7 338.8 294.2 339.5 0.20 33 228 11484 -50.7 -53.6 71 2.9 -50.8 252 46 339.5 339.5 294.3 340.0 0.11 34 213 11921 -54.9 -55.4 94 0.5 -54.9 254 55 339.7 339.7 294.3 340.1 0.10 35 211 11981 -55.3 -56.1 91 0.8 -55.3 254 56 339.9 340.0 294.4 340.3 0.09 36 202 12257 -56.4 -63.1 43 6.7 -56.6 255 62 342.4 342.4 295.0 342.6 0.04 37 200 12320 -56.7 -64.7 36 8.0 -56.8 255 62 343.0 343.0 295.1 343.1 0.03 38 196 12448 -57.5 -66.5 31 9.0 -57.6 255 60 343.7 343.7 295.2 343.8 0.03 39 186 12781 -56.7 -70.7 16 14.0 -56.9 255 54 350.2 350.2 296.7 350.2 0.01 40 185 12815 -56.9 -70.9 15 14.0 -57.1 255 53 350.4 350.4 296.7 350.4 0.01 41 151 14080 -65.9 -73.9 32 8.0 -66.0 255 30 355.9 355.9 297.9 355.9 0.01 42 150 14120 -66.3 -74.3 32 8.0 -66.4 255 29 355.9 355.9 297.9 355.9 0.01 43 149 14160 -66.5 -74.5 32 8.0 -66.5 254 29 356.2 356.2 298.0 356.3 0.01 44 139 14580 -66.5 -76.5 23 10.0 -66.6 242 28 363.4 363.4 299.4 363.4 0.01 45 108 16083 -72.3 -82.3 21 10.0 -72.3 198 23 379.6 379.6 302.2 379.6 0.00 46 103 16364 -69.1 -81.1 16 12.0 -69.2 190 23 390.9 390.9 303.9 390.9 0.01 47 100 16540 -70.1 -82.1 16 12.0 -70.2 185 22 392.3 392.3 304.1 392.3 0.00 48 91 17096 -72.7 -83.7 17 11.0 -72.8 190 6 397.9 397.9 304.9 397.9 0.00 49 77 18077 -71.9 -83.9 15 12.0 -72.0 187 11 419.0 419.0 307.6 419.0 0.00 50 70 18640 -70.3 -83.3 13 13.0 -70.4 185 14 434.0 434.0 309.3 434.0 0.01 51 50 20670 -64.9 -83.9 6 19.0 -65.2 105 14 490.5 490.5 314.2 490.6 0.01 52 32 23433 -57.5 -82.5 3 25.0 -58.6 83 11 577.1 577.1 319.5 577.2 0.01 53 30 23840 -57.7 -83.7 2 26.0 -58.9 80 11 587.3 587.3 320.0 587.4 0.01 54 20 26410 -56.3 -83.3 2 27.0 -58.2 105 18 663.8 663.8 323.2 664.0 0.02 55 18 27079 -56.3 -84.3 2 28.0 -58.4 684.2 684.2 323.9 684.3 0.02 56 15 28260 -47.7 -81.7 1 34.0 -52.8 749.4 749.4 325.9 749.6 0.03 TRP 91 17096 -72.7 -83.7 17 11.0 -72.8 190 6 397.9 397.9 304.9 397.9 0.00 WND 202 12257 -56.4 -63.1 43 6.7 -56.6 255 62 342.4 342.4 295.0 342.6 0.04 Sounding variables and indices 1000-500 mb thick: 5720.00 m Freezing level: 633.79 mb = 3988.81 m = 13086.48 ft Wetbulb zero: 652.23 mb = 3757.32 m = 12327.01 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 66.09 % Est. max temperature: 21.51 C = 70.71 F Sfc-Lift cond lev (LCL): 703.02 mb = 3146.76 m = 10323.88 ft T: 5.75 C 700-500 lapse rate: 5.57 C/km ThetaE index: 11.02 C Layer 850.0- 689.0 mb Conv cond level (CCL): 699.69 mb = 3186.65 m = 10454.76 ft Mean mixing ratio: 8.03 g/kg Conv temperature: 21.47 C = 70.65 F Cap Strength: 0.70 C Lifted Index: 0.32 C Risk: Showers probable Lifted Index @300 mb: 3.92 C Lifted Index @700 mb: 0.01 C Showalter Index: -0.67 C Risk: Thunderstorms probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 18.90 C K Index: 39.40 Risk: > 80 % chance of thunderstorms Sweat Index: 152.80 Risk: None Energy Index: -2.12 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.30 J/kg Max Up Vert Vel: 7.66 m/s Conv Inhibition (B-): 4.94 J/kg Cap Strength: 1.31 C Lift Cond Lev (LCL): 699.56 mb = 3188.15 m = 10459.70 ft Lev Free Conv (LFC): 664.56 mb = 3605.40 m = 11828.59 ft Equ Level (EL): 594.56 mb = 4498.79 m = 14759.62 ft B at Equ Level: 28.46 J/kg Max Parcel Lev (MPL): 474.56 mb = 6260.64 m = 20539.91 ft Wind level data Storm motion: 15 at 6 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 ---------------------------------------------------------- 0 852 1500 360 4 -0.0 -4.0 | 219 3 1.6 2.0 1 850 1547 20 8 -2.7 -7.5 | 37 2 -1.1 -1.5 2 793 2134 5 11 -1.0 -11.0 | 352 5 0.7 -4.9 3 765 2438 355 12 1.0 -12.0 | 336 7 2.7 -5.9 4 700 3183 55 8 -6.6 -4.6 | 106 5 -4.9 1.4 5 635 3962 50 8 -6.1 -5.1 | 101 5 -4.5 0.9 6 588 4572 50 3 -2.3 -1.9 | 171 4 -0.7 4.1 7 545 5182 325 8 4.6 -6.6 | 275 6 6.2 -0.5 8 500 5860 305 8 6.6 -4.6 | 260 8 8.2 1.4 9 466 6401 295 10 9.1 -4.2 | 260 11 10.7 1.8 10 430 7010 280 8 7.9 -1.4 | 244 11 9.5 4.6 11 400 7550 270 10 10.0 -0.0 | 243 13 11.6 6.0 12 364 8230 285 12 11.6 -3.1 | 258 14 13.2 2.9 13 335 8839 250 10 9.4 3.4 | 229 15 11.0 9.4 14 300 9630 260 20 19.7 3.5 | 246 23 21.3 9.5 15 250 10880 250 34 31.9 11.6 | 242 38 33.6 17.6 16 202 12257 255 62 59.9 16.0 | 250 65 61.5 22.1 17 200 12320 255 62 59.9 16.0 | 250 65 61.5 22.1 18 150 14120 255 29 28.0 7.5 | 245 33 29.6 13.5 19 100 16540 185 22 1.9 21.9 | 187 28 3.5 27.9 20 91 17096 190 6 1.0 5.9 | 193 12 2.7 11.9 21 70 18640 185 14 1.2 13.9 | 188 20 2.8 20.0 22 50 20670 105 14 -13.5 3.6 | 129 15 -11.9 9.6 23 30 23840 80 11 -10.8 -1.9 | 114 10 -9.2 4.1 24 20 26410 105 18 -17.4 4.7 | 124 19 -15.8 10.7 Wind Parameters Mean winds (0-6000m): 345.0 at 8.3 knts Storm direction: 15.0 at 6.2 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -55.7 deg Storm rel helicity (0-3000m) pos: 16.7 neg: -4.5 tot: 12.2 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.89 Bulk Shear: 2.46 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 13 9 10 3| 6.6 0.0 6.6| 0.2 -1.3 -1.0 -2.1 0.56| 9.9 5.5 1000 6 10 353 4| 3.3 1.1 4.4| 1.3 -4.0 -2.7 -2.7 0.31| 6.8 2.1 1500 10 10 1 4| 2.6 0.7 3.3| 9.9 -4.0 5.9 3.9 0.54| 7.2 3.9 2000 17 10 22 3| 2.0 0.5 2.6| 12.6 -4.2 8.4 4.2 0.57| 6.1 3.5 2500 24 9 41 3| 1.6 0.5 2.2| 12.8 -4.5 8.3 3.3 0.55| 5.0 2.8 3000 27 9 54 3| 1.4 0.9 2.3| 16.7 -4.5 12.2 4.1 0.61| 4.9 3.0 4000 18 8 29 2| 1.0 1.8 2.8| 18.2 -6.6 11.7 2.9 0.49| 5.1 2.5 5000 1 8 327 3| 0.8 1.7 2.5| 18.4 -10.3 8.1 1.6 0.41| 4.5 1.9 6000 345 8 298 4| 0.7 1.5 2.2| 18.4 -18.3 0.1 0.0 0.31| 4.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251109.12.gif