UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010812.upa.cvt Date: 1200Z 8 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 8 JAN 26 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 128 1 925 808 SFC 852 1500 24.6 17.6 65 7.0 19.6 360 4 311.7 314.6 298.2 357.8 15.03 3 851 1523 22.8 14.8 61 8.0 17.3 360 8 309.9 312.3 296.2 348.1 12.54 4 850 1545 22.8 15.8 65 7.0 17.9 360 12 310.0 312.6 296.8 350.9 13.40 5 843 1617 21.8 14.8 64 7.0 17.0 357 12 309.7 312.1 296.3 348.3 12.66 6 753 2586 14.0 11.6 85 2.4 12.4 282 5 311.4 313.6 295.9 346.6 11.48 7 748 2642 13.6 11.2 85 2.4 12.0 274 5 311.6 313.7 295.8 346.1 11.25 8 700 3200 11.2 6.2 71 5.0 8.2 200 9 314.9 316.5 294.7 341.5 8.53 9 689 3332 11.0 3.0 58 8.0 6.3 200 10 316.1 317.4 293.8 337.9 6.91 10 644 3892 6.6 1.6 70 5.0 3.8 200 12 317.3 318.6 294.0 338.5 6.69 11 631 4059 6.4 -4.6 45 11.0 0.9 207 11 318.9 319.7 292.5 332.9 4.31 12 630 4072 6.2 -4.8 45 11.0 0.7 208 11 318.8 319.6 292.4 332.6 4.25 13 576 4799 0.0 -1.9 87 1.9 -1.0 262 4 319.8 321.0 293.9 338.5 5.79 14 525 5535 -5.3 -6.3 93 1.0 -5.8 196 4 322.1 322.9 293.6 337.0 4.55 15 522 5580 -5.5 -6.7 91 1.2 -6.1 185 5 322.3 323.2 293.6 336.9 4.44 16 518 5641 -5.5 -7.6 85 2.1 -6.5 171 5 323.0 323.9 293.5 336.8 4.17 17 514 5702 -4.1 -21.1 25 17.0 -9.7 156 5 325.5 325.7 291.8 330.3 1.38 18 509 5779 -3.5 -42.5 3 39.0 -11.4 138 5 327.1 327.1 291.1 327.8 0.18 19 508 5795 -3.7 -42.7 3 39.0 -11.5 135 5 327.0 327.1 291.0 327.7 0.17 20 500 5920 -4.5 -42.5 3 38.0 -12.1 105 6 327.6 327.6 291.2 328.3 0.18 21 425 7180 -11.7 -51.7 2 40.0 -17.6 139 4 333.9 334.0 292.9 334.3 0.08 22 400 7640 -15.5 -49.5 4 34.0 -20.3 195 1 334.8 334.9 293.1 335.3 0.10 23 300 9740 -33.1 -52.1 13 19.0 -34.6 220 21 338.7 338.7 294.1 339.1 0.10 24 260 10725 -41.1 -61.1 10 20.0 -42.0 244 23 341.1 341.1 294.6 341.3 0.04 25 250 10990 -42.5 -62.5 9 20.0 -43.3 250 23 342.9 342.9 295.0 343.0 0.03 26 200 12470 -52.9 -65.9 19 13.0 -53.2 270 18 349.0 349.0 296.4 349.1 0.03 27 150 14270 -65.3 -76.3 20 11.0 -65.4 285 15 357.6 357.6 298.2 357.6 0.01 28 146 14435 -66.5 -76.5 23 10.0 -66.6 285 14 358.3 358.3 298.4 358.3 0.01 29 114 15905 -75.1 -84.1 23 9.0 -75.1 285 9 368.6 368.6 300.3 368.6 0.00 30 109 16167 -73.9 -82.9 24 9.0 -73.9 285 8 375.6 375.6 301.5 375.6 0.00 31 100 16670 -74.9 -84.9 20 10.0 -74.9 285 6 383.0 383.0 302.7 383.0 0.00 32 81 17878 -78.9 -86.9 26 8.0 -78.9 95 1 398.6 398.6 305.0 398.6 0.00 33 73 18470 -77.9 -86.9 22 9.0 -77.9 88 9 412.7 412.7 306.9 412.8 0.00 34 70 18710 -76.5 -86.5 19 10.0 -76.6 85 12 420.7 420.7 307.8 420.7 0.00 35 50 20690 -69.1 -87.1 6 18.0 -69.3 85 20 480.7 480.7 313.5 480.7 0.00 36 47 21060 -68.9 -87.9 5 19.0 -69.1 85 20 489.7 489.7 314.2 489.7 0.00 37 38 22365 -58.5 -89.5 1 31.0 -59.4 85 22 546.9 546.9 317.9 546.9 0.00 38 32 23444 -59.3 -90.3 1 31.0 -60.2 85 23 572.3 572.3 319.3 572.3 0.00 39 30 23850 -57.3 -89.3 1 32.0 -58.6 85 23 588.4 588.4 320.0 588.5 0.00 40 22 25823 -54.3 -87.3 1 33.0 -56.5 100 32 651.9 652.0 322.7 652.0 0.01 41 20 26440 -50.1 -84.1 1 34.0 -53.5 105 35 682.8 682.8 323.9 682.9 0.02 42 16 27895 -50.9 -84.9 1 34.0 -54.6 725.2 725.2 325.2 725.4 0.02 TRP 81 17878 -78.9 -86.9 26 8.0 -78.9 95 1 398.6 398.6 305.0 398.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 576.00 mb = 4798.97 m = 15744.47 ft Wetbulb zero: 607.03 mb = 4373.38 m = 14348.19 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 70.52 % Est. max temperature: 27.50 C = 81.50 F Sfc-Lift cond lev (LCL): 769.04 mb = 2404.81 m = 7889.69 ft T: 15.46 C 700-500 lapse rate: 5.77 C/km ThetaE index: 12.98 C Layer 843.0- 644.0 mb Conv cond level (CCL): 704.88 mb = 3141.61 m = 10306.99 ft Mean mixing ratio: 12.15 g/kg Conv temperature: 27.31 C = 81.15 F Cap Strength: 1.66 C Lifted Index: -0.71 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.44 C Lifted Index @700 mb: 1.28 C Showalter Index: -1.88 C Risk: Thunderstorms probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 20.30 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 219.60 Risk: None Energy Index: -4.28 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 589.59 J/kg Max Up Vert Vel: 34.34 m/s Conv Inhibition (B-): 48.49 J/kg Cap Strength: 1.52 C Lift Cond Lev (LCL): 745.02 mb = 2675.61 m = 8778.15 ft Lev Free Conv (LFC): 620.02 mb = 4201.60 m = 13784.63 ft Equ Level (EL): 210.02 mb = 12145.83 m = 39848.02 ft B at Equ Level: 583.08 J/kg Max Parcel Lev (MPL): 130.02 mb = 15123.82 m = 49618.23 ft Wind level data Storm motion: 229 at 5 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 | 28 8 -3.9 -7.4 1 850 1545 360 12 -0.0 -12.0 | 14 16 -3.9 -15.4 2 793 2134 335 9 3.8 -8.2 | 1 12 -0.1 -11.6 3 765 2438 300 4 3.5 -2.0 | 5 5 -0.5 -5.4 4 700 3200 200 9 3.1 8.5 | 170 5 -0.9 5.0 5 637 3962 200 12 4.1 11.3 | 181 8 0.2 7.8 6 591 4572 255 5 4.8 1.3 | 337 2 0.9 -2.2 7 548 5182 275 3 3.0 -0.3 | 14 4 -0.9 -3.7 8 500 5920 105 6 -5.8 1.6 | 79 10 -9.7 -1.9 9 470 6401 150 9 -4.5 7.8 | 117 9 -8.4 4.3 10 434 7010 120 5 -4.3 2.5 | 83 8 -8.3 -0.9 11 400 7640 195 1 0.3 1.0 | 56 4 -3.7 -2.5 12 369 8230 290 2 1.9 -0.7 | 26 5 -2.1 -4.1 13 339 8839 235 12 9.8 6.9 | 240 7 5.9 3.4 14 300 9740 220 21 13.5 16.1 | 217 16 9.6 12.6 15 250 10990 250 23 21.6 7.9 | 256 18 17.7 4.4 16 200 12470 270 18 18.0 -0.0 | 284 14 14.1 -3.4 17 150 14270 285 15 14.5 -3.9 | 305 13 10.6 -7.3 18 100 16670 285 6 5.8 -1.6 | 340 5 1.9 -5.0 19 81 17878 95 1 -1.0 0.1 | 56 6 -4.9 -3.4 20 70 18710 85 12 -12.0 -1.0 | 74 17 -15.9 -4.5 21 50 20690 85 20 -19.9 -1.7 | 78 24 -23.9 -5.2 22 30 23850 85 23 -22.9 -2.0 | 79 27 -26.8 -5.5 23 20 26440 105 35 -33.8 9.1 | 98 38 -37.7 5.6 Wind Parameters Mean winds (0-6000m): 198.7 at 7.0 knts Storm direction: 228.7 at 5.2 knts Shear (0-3000m) pos: 1.3 neg: 2.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -76.5 deg Storm rel helicity (0-3000m) pos: 10.5 neg: -29.9 tot: -19.4 m^2/s^2 ave: -6.5 10^-3 m/s^2 rel: -0.18 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 15.03 Bulk Shear: 39.23 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 ------------------------------------------------------------------------------- 500 352 11 10 14| 0.0 6.2 6.2| 0.0 -17.8 -17.8 -35.5 -0.47| 11.9 -5.6 1000 342 9 6 12| 0.0 2.4 2.4| 0.9 -21.8 -20.8 -20.8 -0.33| 10.0 -3.3 1500 325 8 357 10| 0.0 3.7 3.7| 0.9 -27.1 -26.2 -17.4 -0.49| 9.3 -4.6 2000 293 8 331 8| 0.0 3.6 3.6| 1.7 -29.9 -28.2 -14.1 -0.49| 8.3 -4.1 2500 248 9 272 4| 0.3 2.9 3.2| 3.9 -29.9 -26.0 -10.4 -0.43| 7.1 -3.0 3000 238 9 250 4| 1.3 2.4 3.7| 10.5 -29.9 -19.4 -6.5 -0.18| 7.5 -1.3 4000 241 8 264 3| 1.2 2.3 3.5| 13.9 -29.9 -16.0 -4.0 -0.04| 6.7 -0.3 5000 219 7 196 2| 0.5 1.8 2.3| 30.1 -38.9 -8.9 -1.8 0.00| 6.9 0.0 6000 199 7 152 4| 0.7 1.1 1.8| 30.6 -50.8 -20.2 -3.4 -0.07| 6.6 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260108.12.gif