UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120523.upa.cvt Date: 2300Z 5 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 5 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 151 1 925 817 SFC 851 1500 18.6 14.1 75 4.5 15.6 300 2 305.5 307.8 294.7 341.4 11.97 3 850 1539 19.2 12.2 64 7.0 14.7 225 6 306.3 308.2 293.9 338.0 10.56 4 741 2707 13.0 2.0 47 11.0 6.8 266 5 311.8 312.9 291.8 330.4 5.97 5 740 2718 12.8 2.8 51 10.0 7.1 266 5 311.7 312.9 292.1 331.4 6.34 6 700 3182 8.6 3.6 71 5.0 5.7 260 2 312.0 313.4 292.8 334.0 7.10 7 681 3409 6.6 3.4 80 3.2 4.8 236 3 312.2 313.6 292.9 334.6 7.19 8 602 4407 -0.9 -3.0 86 2.1 -2.0 122 3 314.8 315.8 292.0 330.9 5.10 9 601 4420 -0.9 -3.0 86 2.1 -2.0 121 3 314.9 315.9 292.0 331.1 5.11 10 574 4788 0.0 -11.0 43 11.0 -4.7 49 4 320.1 320.7 291.6 329.7 2.88 11 543 5230 -3.3 -9.3 63 6.0 -6.0 302 8 321.3 322.0 292.5 332.8 3.48 12 539 5288 -3.9 -10.9 58 7.0 -6.8 298 9 321.3 321.9 292.2 331.5 3.09 13 521 5556 -3.9 -21.9 23 18.0 -9.7 279 14 324.4 324.7 291.4 328.9 1.27 14 513 5678 -4.5 -20.5 27 16.0 -9.8 270 16 325.2 325.4 291.7 330.2 1.46 15 500 5880 -6.1 -20.1 32 14.0 -10.8 255 20 325.6 325.9 292.0 331.0 1.55 16 476 6263 -9.9 -19.9 44 10.0 -13.1 244 21 325.5 325.8 292.0 331.3 1.66 17 470 6361 -9.9 -18.9 48 9.0 -12.9 241 22 326.7 327.1 292.5 333.0 1.83 18 438 6903 -12.7 -57.7 1 45.0 -18.2 264 24 329.8 329.8 291.7 330.0 0.04 19 437 6921 -12.7 -50.7 3 38.0 -18.1 265 25 330.0 330.0 291.8 330.4 0.08 20 400 7590 -18.3 -44.3 8 26.0 -22.1 270 21 331.2 331.2 292.2 331.9 0.19 21 376 8047 -22.5 -43.5 13 21.0 -25.4 267 22 331.6 331.6 292.4 332.4 0.22 22 353 8506 -26.3 -36.3 38 10.0 -27.9 261 26 332.5 332.6 292.9 334.3 0.49 23 346 8650 -27.5 -43.5 20 16.0 -29.4 258 28 332.8 332.8 292.7 333.7 0.23 24 343 8713 -27.9 -33.9 56 6.0 -28.9 257 29 333.1 333.2 293.2 335.4 0.63 25 337 8839 -28.9 -33.9 62 5.0 -29.7 255 31 333.4 333.5 293.3 335.8 0.65 26 326 9076 -30.3 -45.3 22 15.0 -31.9 258 29 334.6 334.7 293.2 335.4 0.21 27 315 9318 -32.1 -38.1 55 6.0 -32.9 261 28 335.4 335.5 293.6 337.2 0.45 28 300 9660 -35.3 -41.3 54 6.0 -36.0 265 25 335.6 335.7 293.6 336.9 0.34 29 292 9847 -37.1 -42.1 60 5.0 -37.6 262 23 335.7 335.7 293.6 336.9 0.32 30 284 10038 -39.1 -41.1 81 2.0 -39.3 259 21 335.5 335.5 293.6 336.9 0.37 31 280 10135 -39.5 -40.0 95 0.5 -39.5 257 20 336.3 336.3 293.8 337.9 0.42 32 250 10900 -45.5 -47.4 81 1.9 -45.6 245 12 338.4 338.5 294.1 339.3 0.21 33 209 12070 -55.1 -62.1 42 7.0 -55.2 265 24 341.2 341.2 294.7 341.4 0.04 34 200 12350 -57.5 -62.5 53 5.0 -57.6 270 27 341.7 341.7 294.8 341.9 0.04 35 168 13429 -65.9 -70.4 53 4.5 -66.0 270 32 345.2 345.2 295.6 345.3 0.02 36 167 13466 -66.1 -70.7 52 4.6 -66.1 270 33 345.4 345.4 295.6 345.5 0.02 37 164 13576 -66.3 -72.3 43 6.0 -66.4 270 33 346.9 346.9 296.0 347.0 0.01 38 162 13650 -64.1 -71.1 38 7.0 -64.2 270 34 351.8 351.8 297.0 351.9 0.02 39 152 14039 -65.1 -76.1 20 11.0 -65.2 270 36 356.6 356.6 298.0 356.6 0.01 40 150 14120 -65.3 -76.3 20 11.0 -65.4 270 36 357.6 357.6 298.2 357.6 0.01 41 143 14411 -65.7 -77.7 17 12.0 -65.8 279 33 361.8 361.8 299.1 361.8 0.01 42 128 15080 -69.5 -80.5 19 11.0 -69.5 301 26 366.6 366.6 299.9 366.6 0.00 43 116 15669 -68.7 -84.7 8 16.0 -68.8 321 20 378.6 378.6 302.0 378.6 0.00 44 100 16550 -72.9 -86.9 10 14.0 -72.9 350 11 386.9 386.9 303.3 386.9 0.00 45 92 17035 -75.5 -86.5 16 11.0 -75.5 295 5 391.1 391.1 303.9 391.1 0.00 46 70 18630 -71.9 -84.9 13 13.0 -72.0 80 11 430.6 430.6 308.9 430.6 0.00 47 69 18715 -72.3 -86.3 10 14.0 -72.4 81 11 431.5 431.5 309.0 431.5 0.00 48 50 20640 -66.3 -86.3 4 20.0 -66.5 100 13 487.2 487.2 314.0 487.3 0.00 49 45 21284 -63.7 -85.7 3 22.0 -64.1 102 15 508.5 508.5 315.5 508.5 0.01 50 41 21855 -64.7 -87.7 3 23.0 -65.1 104 18 519.7 519.7 316.3 519.7 0.00 51 38 22325 -60.3 -87.3 2 27.0 -61.0 105 19 542.3 542.3 317.6 542.3 0.01 52 33 23207 -59.9 -88.9 1 29.0 -60.7 108 23 565.7 565.7 318.9 565.7 0.00 53 31 23601 -56.3 -88.3 1 32.0 -57.6 109 24 585.6 585.6 319.9 585.7 0.01 54 30 23810 -56.3 -88.3 1 32.0 -57.7 110 25 591.2 591.2 320.2 591.2 0.01 55 25 24968 -57.7 -89.7 1 32.0 -59.1 108 19 618.8 618.8 321.5 618.8 0.00 56 20 26390 -54.5 -87.5 1 33.0 -56.8 105 12 669.4 669.4 323.4 669.4 0.01 57 18 27067 -53.1 -86.1 1 33.0 -56.0 694.2 694.3 324.3 694.3 0.01 TRP 92 17035 -75.5 -86.5 16 11.0 -75.5 295 5 391.1 391.1 303.9 391.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 611.48 mb = 4287.01 m = 14064.84 ft Freezing level: 574.00 mb = 4787.69 m = 15707.44 ft Freezing level: 574.00 mb = 4787.69 m = 15707.44 ft Wetbulb zero: 625.12 mb = 4101.66 m = 13456.72 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 61.05 % Est. max temperature: 24.78 C = 76.60 F Sfc-Lift cond lev (LCL): 796.07 mb = 2096.79 m = 6879.14 ft T: 16.24 C 700-500 lapse rate: 5.45 C/km ThetaE index: 11.00 C Layer 850.0- 740.0 mb Conv cond level (CCL): 667.88 mb = 3566.04 m = 11699.47 ft Mean mixing ratio: 8.47 g/kg Conv temperature: 25.41 C = 77.74 F Cap Strength: 3.39 C Lifted Index: 3.02 C Risk: None Lifted Index @300 mb: 2.12 C Lifted Index @700 mb: 2.66 C Showalter Index: 1.50 C Risk: Showers probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 18.30 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 178.40 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.30 J/kg Max Up Vert Vel: 2.93 m/s Conv Inhibition (B-): 99.08 J/kg Cap Strength: 3.32 C Lift Cond Lev (LCL): 705.15 mb = 3120.86 m = 10238.92 ft Lev Free Conv (LFC): 610.15 mb = 4298.00 m = 14100.86 ft Equ Level (EL): 600.15 mb = 4431.45 m = 14538.69 ft B at Equ Level: 4.26 J/kg Max Parcel Lev (MPL): 580.15 mb = 4702.51 m = 15428.00 ft Wind level data Storm motion: 285 at 8 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 ---------------------------------------------------------- 0 851 1500 300 2 1.7 -1.0 | 101 6 -6.1 1.2 1 850 1539 225 6 4.2 4.2 | 151 7 -3.6 6.4 2 792 2134 235 8 6.6 4.6 | 169 7 -1.3 6.7 3 764 2438 270 7 7.0 -0.0 | 158 2 -0.9 2.2 4 700 3182 260 2 2.0 0.3 | 113 6 -5.9 2.5 5 635 3962 175 5 -0.4 5.0 | 131 11 -8.3 7.1 6 589 4572 100 2 -2.0 0.3 | 104 10 -9.8 2.5 7 546 5182 305 7 5.7 -4.0 | 49 3 -2.1 -1.9 8 500 5880 255 20 19.3 5.2 | 237 14 11.5 7.3 9 467 6401 240 22 19.1 11.0 | 220 17 11.2 13.2 10 431 7010 270 25 25.0 -0.0 | 263 17 17.1 2.2 11 400 7590 270 21 21.0 -0.0 | 261 13 13.1 2.2 12 366 8230 265 23 22.9 2.0 | 255 16 15.1 4.2 13 336 8839 255 31 29.9 8.0 | 245 24 22.1 10.2 14 300 9660 265 25 24.9 2.2 | 256 18 17.1 4.3 15 250 10900 245 12 10.9 5.1 | 203 8 3.0 7.2 16 200 12350 270 27 27.0 -0.0 | 264 19 19.1 2.2 17 150 14120 270 36 36.0 -0.0 | 266 28 28.1 2.2 18 100 16550 350 11 1.9 -10.8 | 34 11 -5.9 -8.7 19 92 17035 295 5 4.5 -2.1 | 91 3 -3.3 0.0 20 70 18630 80 11 -10.8 -1.9 | 91 19 -18.7 0.2 21 50 20640 100 13 -12.8 2.3 | 102 21 -20.7 4.4 22 30 23810 110 25 -23.5 8.6 | 109 33 -31.3 10.7 23 20 26390 105 12 -11.6 3.1 | 105 20 -19.4 5.3 Wind Parameters Mean winds (0-6000m): 255.4 at 10.9 knts Storm direction: 285.4 at 8.1 knts Shear (0-3000m) pos: 0.8 neg: 1.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 5.4 deg Storm rel helicity (0-3000m) pos: 17.7 neg: -18.7 tot: -1.0 m^2/s^2 ave: -0.3 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.02 Bulk Shear: 4.21 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 ------------------------------------------------------------------------------- 500 229 7 157 7| 0.0 7.2 7.2| 12.3 0.0 12.3 24.7 0.98| 8.0 7.9 1000 240 7 163 6| 2.3 3.6 5.9| 13.6 -0.8 12.8 12.8 0.56| 6.7 3.8 1500 247 6 157 5| 1.5 2.0 3.6| 13.6 -2.8 10.7 7.2 0.32| 5.6 1.8 2000 247 5 146 5| 1.2 2.0 3.2| 16.5 -3.6 12.9 6.4 0.33| 5.0 1.7 2500 238 5 144 6| 0.9 2.2 3.1| 17.7 -5.9 11.8 4.7 0.26| 4.9 1.3 3000 229 5 142 7| 0.8 1.3 2.1| 17.7 -18.7 -1.0 -0.3 0.07| 4.9 0.3 4000 248 5 143 5| 0.6 1.4 2.0| 17.7 -43.9 -26.2 -6.5 -0.27| 6.3 -1.7 5000 249 8 177 5| 0.5 2.4 2.9| 26.5 -76.5 -50.0 -10.0 -0.32| 7.0 -2.2 6000 255 11 208 6| 1.2 2.0 3.2| 74.3 -78.1 -3.7 -0.6 -0.14| 7.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251205.23.gif