UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 19 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 148 1 925 820 SFC 853 1500 21.2 15.2 69 6.0 17.1 150 5 308.0 310.5 296.0 346.9 12.84 3 851 1532 19.8 11.8 60 8.0 14.6 147 4 306.8 308.7 293.7 337.8 10.27 4 850 1548 19.6 11.6 60 8.0 14.4 145 4 306.7 308.6 293.6 337.3 10.15 5 807 1992 15.4 10.4 72 5.0 12.2 26 5 306.8 308.6 293.4 336.6 9.86 6 700 3183 7.2 2.7 73 4.5 4.7 305 12 310.5 311.7 292.0 331.0 6.65 7 636 3966 2.8 -0.8 77 3.6 0.9 271 25 314.1 315.2 292.3 332.0 5.68 8 532 5381 -8.9 -9.2 98 0.3 -9.0 267 32 316.5 317.2 291.2 328.1 3.58 9 500 5860 -11.3 -11.3 100 0.0 -11.3 260 31 319.3 319.9 291.7 329.9 3.23 10 492 5984 -11.9 -11.9 100 0.0 -11.9 262 34 320.0 320.6 291.8 330.3 3.12 11 491 5999 -11.7 -11.7 100 0.0 -11.7 263 34 320.4 321.1 292.0 330.9 3.18 12 456 6563 -14.9 -14.9 100 0.0 -14.9 270 44 323.3 323.8 292.3 332.1 2.64 13 454 6596 -17.1 -17.1 100 0.0 -17.1 270 44 320.9 321.4 291.2 328.3 2.20 14 448 6696 -18.3 -18.3 100 0.0 -18.3 270 44 320.6 321.0 291.0 327.4 2.02 15 434 6934 -16.3 -16.3 100 0.0 -16.3 270 45 326.1 326.6 292.9 334.5 2.47 16 415 7268 -20.9 -20.9 100 0.0 -20.9 270 43 324.4 324.7 291.8 330.4 1.74 17 414 7286 -20.9 -20.9 100 0.0 -20.9 270 43 324.6 325.0 291.9 330.6 1.75 18 401 7522 -22.5 -36.5 27 14.0 -24.7 270 41 325.5 325.6 290.9 327.1 0.42 19 400 7540 -22.5 -35.5 30 13.0 -24.6 270 41 325.7 325.8 291.0 327.5 0.46 20 348 8552 -27.9 -49.9 10 22.0 -30.0 257 39 331.7 331.7 292.3 332.1 0.11 21 347 8572 -28.3 -50.3 10 22.0 -30.3 257 39 331.4 331.4 292.2 331.8 0.11 22 330 8931 -31.1 -51.1 12 20.0 -32.7 255 44 332.4 332.4 292.4 332.8 0.11 23 326 9017 -31.7 -41.7 37 10.0 -32.9 255 46 332.7 332.8 292.7 333.9 0.30 24 300 9600 -35.9 -50.9 20 15.0 -37.0 255 66 334.8 334.8 293.1 335.3 0.12 25 263 10501 -44.3 -54.3 32 10.0 -44.7 255 65 335.3 335.3 293.2 335.7 0.09 26 250 10840 -47.3 -53.3 50 6.0 -47.6 255 64 335.7 335.8 293.4 336.2 0.11 27 249 10866 -47.5 -53.5 50 6.0 -47.7 255 64 335.8 335.9 293.4 336.3 0.11 28 235 11246 -49.9 -52.5 74 2.6 -50.0 255 70 337.8 337.8 293.9 338.3 0.13 29 233 11301 -50.5 -53.5 70 3.0 -50.6 255 71 337.7 337.7 293.9 338.2 0.11 30 224 11558 -49.5 -59.5 30 10.0 -49.8 255 74 343.1 343.1 295.1 343.3 0.06 31 222 11617 -49.9 -60.9 26 11.0 -50.3 255 75 343.3 343.4 295.1 343.5 0.05 32 213 11885 -52.5 -63.5 25 11.0 -52.8 255 79 343.4 343.4 295.1 343.5 0.04 33 211 11946 -52.6 -64.1 24 11.4 -52.9 255 80 344.1 344.1 295.3 344.3 0.03 34 200 12290 -53.3 -67.3 17 14.0 -53.6 255 70 348.4 348.4 296.3 348.5 0.02 35 194 12486 -53.1 -69.1 13 16.0 -53.4 256 69 351.7 351.7 297.0 351.8 0.02 36 188 12687 -54.5 -71.5 11 17.0 -54.8 257 68 352.6 352.6 297.2 352.7 0.01 37 163 13586 -60.9 -73.9 16 13.0 -61.0 262 64 356.6 356.6 298.0 356.6 0.01 38 150 14100 -62.9 -76.9 13 14.0 -63.0 265 61 361.7 361.7 299.0 361.8 0.01 39 147 14225 -63.1 -77.1 13 14.0 -63.2 264 60 363.5 363.5 299.4 363.5 0.01 40 135 14745 -66.7 -79.7 14 13.0 -66.8 262 58 366.0 366.1 299.8 366.1 0.01 41 128 15068 -65.7 -78.7 15 13.0 -65.8 261 57 373.5 373.5 301.2 373.5 0.01 42 118 15558 -70.1 -82.1 16 12.0 -70.2 258 54 374.1 374.2 301.3 374.2 0.00 43 109 16030 -70.3 -82.3 16 12.0 -70.4 256 52 382.4 382.4 302.6 382.4 0.00 44 105 16251 -72.5 -83.5 17 11.0 -72.5 255 51 382.3 382.3 302.6 382.3 0.00 45 103 16365 -71.1 -83.1 15 12.0 -71.2 255 47 387.1 387.1 303.3 387.1 0.00 46 100 16540 -70.9 -82.9 15 12.0 -70.9 255 40 390.7 390.7 303.9 390.8 0.00 47 79 17927 -72.5 -84.5 15 12.0 -72.6 288 17 414.7 414.7 307.1 414.7 0.00 48 72 18480 -66.1 -80.1 12 14.0 -66.2 301 8 439.4 439.4 309.8 439.5 0.01 49 70 18650 -67.3 -80.3 14 13.0 -67.4 305 5 440.4 440.4 309.9 440.5 0.01 50 65 19097 -67.7 -81.7 12 14.0 -67.8 331 7 449.0 449.0 310.8 449.0 0.01 51 59 19687 -63.5 -81.5 7 18.0 -63.8 6 9 471.0 471.0 312.7 471.1 0.01 52 52 20460 -65.7 -83.7 6 18.0 -66.0 51 12 483.2 483.2 313.7 483.2 0.01 53 50 20700 -63.5 -83.5 5 20.0 -63.8 65 13 493.8 493.8 314.5 493.9 0.01 54 43 21629 -63.1 -84.1 4 21.0 -63.6 72 17 516.6 516.6 316.1 516.6 0.01 55 38 22399 -58.3 -82.3 3 24.0 -59.2 78 20 547.4 547.4 317.9 547.5 0.01 56 30 23890 -57.9 -83.9 2 26.0 -59.0 90 26 586.8 586.8 320.0 586.9 0.01 57 26 24791 -58.1 -84.1 2 26.0 -59.4 94 24 610.7 610.7 321.1 610.8 0.01 58 23 25571 -53.5 -82.5 2 29.0 -55.8 97 23 646.1 646.1 322.6 646.2 0.02 59 20 26470 -53.3 -83.3 1 30.0 -55.9 100 21 673.0 673.0 323.5 673.2 0.02 60 18 27150 -52.5 -83.5 1 31.0 -55.5 696.1 696.1 324.3 696.3 0.02 TRP 105 16251 -72.5 -83.5 17 11.0 -72.5 255 51 382.3 382.3 302.6 382.3 0.00 WND 211 11946 -52.6 -64.1 24 11.4 -52.9 255 80 344.1 344.1 295.3 344.3 0.03 Sounding variables and indices 1000-500 mb thick: 5712.00 m Freezing level: 611.11 mb = 4304.56 m = 14122.39 ft Wetbulb zero: 626.56 mb = 4084.36 m = 13399.96 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 80.33 % Est. max temperature: 23.40 C = 74.13 F Sfc-Lift cond lev (LCL): 780.75 mb = 2269.08 m = 7444.40 ft T: 13.49 C 700-500 lapse rate: 6.91 C/km ThetaE index: 15.85 C Layer 851.0- 636.0 mb Conv cond level (CCL): 708.57 mb = 3081.15 m = 10108.63 ft Mean mixing ratio: 9.49 g/kg Conv temperature: 23.22 C = 73.79 F Cap Strength: 1.70 C Lifted Index: -2.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.58 C Lifted Index @700 mb: 0.79 C Showalter Index: -3.35 C Risk: Severe thunderstorms possible Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 22.90 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 274.20 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 362.20 J/kg Max Up Vert Vel: 26.91 m/s Conv Inhibition (B-): 52.80 J/kg Cap Strength: 1.70 C Lift Cond Lev (LCL): 737.41 mb = 2747.14 m = 9012.82 ft Lev Free Conv (LFC): 622.41 mb = 4137.04 m = 13572.82 ft Equ Level (EL): 312.41 mb = 9315.72 m = 30563.01 ft B at Equ Level: 360.28 J/kg Max Parcel Lev (MPL): 192.41 mb = 12538.65 m = 41136.79 ft Wind level data Storm motion: 302 at 20 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 150 5 -2.5 4.3 | 128 24 -19.1 14.8 1 850 1548 145 4 -2.3 3.3 | 126 23 -18.9 13.7 2 793 2134 345 5 1.3 -4.8 | 110 16 -15.3 5.6 3 765 2438 350 9 1.6 -8.9 | 96 15 -15.0 1.6 4 700 3183 305 12 9.8 -6.9 | 118 8 -6.8 3.6 5 635 3962 270 25 25.0 -0.0 | 219 13 8.4 10.4 6 588 4572 265 31 30.9 2.7 | 227 19 14.3 13.1 7 545 5182 270 32 32.0 -0.0 | 236 19 15.4 10.4 8 500 5860 260 31 30.5 5.4 | 221 21 13.9 15.8 9 465 6401 270 44 44.0 -0.0 | 249 29 27.4 10.4 10 429 7010 270 45 45.0 -0.0 | 250 30 28.4 10.4 11 400 7540 270 41 41.0 -0.0 | 247 27 24.4 10.4 12 363 8230 260 37 36.4 6.4 | 230 26 19.8 16.9 13 334 8839 255 41 39.6 10.6 | 228 31 23.0 21.0 14 300 9600 255 66 63.8 17.1 | 240 55 47.1 27.5 15 250 10840 255 64 61.8 16.6 | 239 53 45.2 27.0 16 211 11946 255 80 77.3 20.7 | 243 68 60.7 31.1 17 200 12290 255 70 67.6 18.1 | 241 58 51.0 28.6 18 150 14100 265 61 60.8 5.3 | 250 47 44.2 15.8 19 105 16251 255 51 49.3 13.2 | 234 40 32.7 23.6 20 100 16540 255 40 38.6 10.4 | 227 30 22.0 20.8 21 70 18650 305 5 4.1 -2.9 | 121 15 -12.5 7.6 22 50 20700 65 13 -11.8 -5.5 | 100 29 -28.4 4.9 23 30 23890 90 26 -26.0 0.0 | 104 44 -42.6 10.4 24 20 26470 100 21 -20.7 3.6 | 111 40 -37.3 14.1 Wind Parameters Mean winds (0-6000m): 272.1 at 26.2 knts Storm direction: 302.1 at 19.6 knts Shear (0-3000m) pos: 0.0 neg: 5.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 33.6 neg: -62.4 tot: -28.8 m^2/s^2 ave: -9.6 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 0.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 2.95 Bulk Shear: 122.93 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 81 4 115 23| 0.0 9.1 9.1| 0.0 -47.8 -47.8 -95.6 -0.77| 10.5 -8.1 1000 356 6 107 17| 0.0 7.3 7.3| 1.3 -62.4 -61.2 -61.2 -0.65| 8.9 -5.7 1500 339 7 105 15| 0.0 5.5 5.5| 5.9 -62.4 -56.5 -37.7 -0.41| 7.9 -3.3 2000 321 9 108 12| 0.0 5.5 5.5| 16.5 -62.4 -45.9 -22.9 -0.08| 8.2 -0.7 2500 300 11 126 8| 0.0 5.8 5.8| 25.3 -62.4 -37.1 -14.8 0.05| 8.9 0.5 3000 287 14 155 7| 0.0 5.6 5.6| 33.6 -62.4 -28.8 -9.6 0.09| 8.3 0.7 4000 278 19 194 8| 0.3 4.2 4.4| 47.9 -73.8 -25.9 -6.5 0.09| 7.0 0.6 5000 273 22 212 11| 1.3 3.6 5.0|124.9 -85.6 39.4 7.9 0.20| 7.3 1.5 6000 272 26 225 13| 1.1 2.8 3.9|127.2 -95.7 31.5 5.2 0.17| 6.5 1.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251019.12.gif