UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 31 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 151 1 925 822 SFC 853 1500 20.8 16.0 74 4.8 17.5 340 3 307.6 310.2 296.3 348.5 13.53 3 852 1517 21.8 15.8 69 6.0 17.7 327 4 308.8 311.3 296.5 349.3 13.37 4 850 1550 21.0 14.0 64 7.0 16.3 300 6 308.1 310.4 295.3 344.2 11.91 5 845 1601 19.6 13.6 68 6.0 15.6 304 6 307.2 309.4 294.9 342.4 11.67 6 781 2272 12.4 11.3 93 1.1 11.7 337 11 306.5 308.5 294.1 339.1 10.84 7 773 2358 13.0 9.9 81 3.1 11.0 329 12 308.0 309.9 293.9 338.2 9.96 8 739 2735 9.8 8.8 93 1.0 9.2 299 12 308.5 310.3 293.8 337.9 9.67 9 718 2976 10.6 3.6 62 7.0 6.6 281 11 311.9 313.3 292.6 333.4 6.92 10 717 2987 10.6 3.6 62 7.0 6.6 280 11 312.1 313.4 292.7 333.6 6.93 11 700 3187 8.6 2.6 66 6.0 5.2 265 11 312.0 313.3 292.4 332.6 6.61 12 657 3707 4.0 2.1 87 1.9 2.9 258 16 312.5 313.8 292.7 333.7 6.80 13 648 3820 3.8 -5.2 52 9.0 -0.5 257 17 313.5 314.3 290.6 326.3 4.01 14 618 4203 1.4 -11.6 37 13.0 -3.9 262 20 315.1 315.6 289.8 323.4 2.55 15 601 4429 2.8 -40.2 2 43.0 -6.8 270 21 319.2 319.2 288.7 319.9 0.19 16 593 4537 2.4 -19.6 18 22.0 -5.3 273 22 320.0 320.2 290.2 324.6 1.36 17 577 4758 0.4 -6.6 59 7.0 -2.9 272 23 320.1 320.9 292.6 333.3 4.04 18 566 4912 -0.3 -19.3 22 19.0 -6.9 270 25 321.1 321.4 290.6 326.1 1.47 19 560 4998 -1.1 -14.1 37 13.0 -6.2 268 25 321.1 321.6 291.4 328.8 2.29 20 551 5127 -1.9 -25.9 14 24.0 -8.9 266 26 321.7 321.8 290.2 324.6 0.84 21 506 5797 -8.3 -12.6 71 4.3 -10.0 261 30 321.8 322.4 292.1 331.4 2.87 22 504 5828 -8.1 -11.2 78 3.1 -9.4 260 31 322.4 323.1 292.6 333.1 3.23 23 500 5890 -7.7 -14.7 57 7.0 -10.4 260 31 323.7 324.1 292.2 331.9 2.45 24 495 5968 -7.9 -11.7 74 3.8 -9.5 260 31 324.3 325.0 293.0 334.9 3.16 25 480 6208 -7.7 -16.7 48 9.0 -11.0 260 32 327.5 327.9 293.0 334.9 2.16 26 478 6240 -7.9 -17.9 44 10.0 -11.4 260 32 327.6 328.0 292.9 334.4 1.96 27 443 6826 -12.5 -21.5 47 9.0 -15.3 260 36 329.0 329.3 292.9 334.4 1.55 28 412 7377 -15.7 -44.7 6 29.0 -20.2 257 43 331.8 331.8 292.4 332.4 0.17 29 400 7600 -16.9 -45.9 6 29.0 -21.1 255 46 333.0 333.1 292.7 333.6 0.16 30 385 7884 -19.3 -48.3 6 29.0 -23.1 257 46 333.5 333.6 292.8 334.0 0.12 31 377 8039 -20.7 -35.7 25 15.0 -23.4 258 45 333.7 333.8 293.2 335.5 0.48 32 375 8079 -20.9 -51.9 4 31.0 -24.4 259 45 333.9 333.9 292.9 334.3 0.08 33 304 9587 -32.9 -56.9 7 24.0 -34.5 262 47 337.7 337.7 293.8 338.0 0.06 34 300 9680 -33.7 -57.7 7 24.0 -35.3 260 47 337.9 337.9 293.9 338.1 0.05 35 250 10940 -42.5 -61.5 11 19.0 -43.3 265 68 342.9 342.9 295.0 343.0 0.04 36 200 12410 -54.3 -66.3 22 12.0 -54.5 265 79 346.8 346.8 296.0 346.9 0.03 37 199 12442 -54.5 -66.5 21 12.0 -54.7 264 79 347.0 347.0 296.0 347.1 0.03 38 186 12872 -57.0 -69.8 18 12.8 -57.2 255 81 349.7 349.7 296.6 349.8 0.02 39 168 13509 -60.7 -74.7 14 14.0 -60.9 257 66 353.8 353.9 297.5 353.9 0.01 40 150 14210 -62.9 -78.9 10 16.0 -63.0 260 50 361.7 361.7 299.0 361.7 0.01 41 147 14334 -63.5 -79.5 10 16.0 -63.6 260 48 362.8 362.8 299.2 362.8 0.00 42 144 14461 -62.5 -78.5 10 16.0 -62.6 259 47 366.7 366.7 299.9 366.7 0.01 43 103 16459 -76.5 -85.5 23 9.0 -76.5 251 19 376.7 376.7 301.7 376.7 0.00 44 100 16630 -75.3 -84.3 23 9.0 -75.3 250 17 382.2 382.2 302.6 382.3 0.00 45 86 17497 -78.3 -85.3 31 7.0 -78.3 10 9 393.0 393.0 304.2 393.1 0.00 46 85 17564 -77.5 -84.5 32 7.0 -77.5 5 9 396.0 396.0 304.6 396.0 0.00 47 82 17769 -78.1 -85.1 31 7.0 -78.1 351 8 398.8 398.8 305.0 398.9 0.00 48 70 18690 -70.7 -83.7 13 13.0 -70.8 290 6 433.1 433.1 309.1 433.2 0.01 49 60 19598 -73.5 -86.5 12 13.0 -73.6 359 10 446.4 446.4 310.5 446.4 0.00 50 50 20690 -63.7 -84.7 4 21.0 -64.1 80 14 493.4 493.4 314.5 493.4 0.01 51 50 20690 -63.1 -85.1 4 22.0 -63.5 80 14 494.8 494.8 314.6 494.8 0.01 52 41 21913 -62.3 -86.3 3 24.0 -62.8 55 10 525.7 525.7 316.6 525.7 0.01 53 35 22904 -56.7 -86.7 1 30.0 -57.9 35 7 564.6 564.6 318.9 564.7 0.01 54 30 23880 -57.1 -89.1 1 32.0 -58.4 15 4 589.0 589.0 320.1 589.0 0.00 55 26 24789 -57.5 -89.5 1 32.0 -58.9 38 6 612.4 612.4 321.2 612.5 0.00 56 20 26470 -52.9 -85.9 1 33.0 -55.6 80 11 674.3 674.3 323.6 674.3 0.01 57 19 26801 -52.9 -85.9 1 33.0 -55.7 684.2 684.2 323.9 684.3 0.01 TRP 86 17497 -78.3 -85.3 31 7.0 -78.3 10 9 393.0 393.0 304.2 393.1 0.00 WND 186 12872 -57.0 -69.8 18 12.8 -57.2 255 81 349.7 349.7 296.6 349.8 0.02 Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 570.71 mb = 4846.11 m = 15899.11 ft Wetbulb zero: 649.32 mb = 3803.00 m = 12476.90 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 58.63 % Est. max temperature: 25.00 C = 77.00 F Sfc-Lift cond lev (LCL): 794.73 mb = 2123.35 m = 6966.27 ft T: 13.99 C 700-500 lapse rate: 6.03 C/km ThetaE index: 15.89 C Layer 850.0- 717.0 mb Conv cond level (CCL): 750.16 mb = 2609.68 m = 8561.82 ft Mean mixing ratio: 10.96 g/kg Conv temperature: 21.50 C = 70.70 F Cap Strength: 1.85 C Lifted Index: -1.04 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.21 C Lifted Index @700 mb: 0.85 C Showalter Index: -2.56 C Risk: Severe thunderstorms possible Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 21.70 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 239.00 Risk: None Energy Index: -2.44 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.18 J/kg Max Up Vert Vel: 11.59 m/s Conv Inhibition (B-): 28.98 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 762.17 mb = 2476.62 m = 8125.28 ft Lev Free Conv (LFC): 677.17 mb = 3459.21 m = 11348.96 ft Equ Level (EL): 607.17 mb = 4346.39 m = 14259.64 ft B at Equ Level: 33.85 J/kg Max Parcel Lev (MPL): 287.17 mb = 9982.16 m = 32749.47 ft Wind level data Storm motion: 297 at 17 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 340 3 1.0 -2.8 | 109 15 -14.3 4.8 1 850 1550 300 6 5.2 -3.0 | 115 11 -10.1 4.7 2 793 2134 350 11 1.9 -10.8 | 77 14 -13.4 -3.2 3 765 2438 320 12 7.7 -9.2 | 79 8 -7.6 -1.5 4 700 3187 265 11 11.0 1.0 | 153 10 -4.3 8.6 5 636 3962 255 19 18.4 4.9 | 194 13 3.1 12.6 6 589 4572 275 22 21.9 -1.9 | 229 9 6.6 5.7 7 546 5182 265 27 26.9 2.4 | 229 15 11.6 10.0 8 500 5890 260 31 30.5 5.4 | 229 20 15.2 13.0 9 468 6401 260 33 32.5 5.7 | 232 22 17.2 13.4 10 432 7010 260 37 36.4 6.4 | 236 25 21.1 14.1 11 400 7600 255 46 44.4 11.9 | 236 35 29.1 19.6 12 367 8230 260 45 44.3 7.8 | 242 33 29.0 15.5 13 337 8839 280 46 45.3 -8.0 | 271 30 30.0 -0.3 14 300 9680 260 47 46.3 8.2 | 243 35 31.0 15.8 15 250 10940 265 68 67.7 5.9 | 255 54 52.5 13.6 16 200 12410 265 79 78.7 6.9 | 257 65 63.4 14.6 17 186 12872 255 81 78.2 21.0 | 246 69 62.9 28.6 18 150 14210 260 50 49.2 8.7 | 244 38 33.9 16.3 19 100 16630 250 17 16.0 5.8 | 183 13 0.7 13.5 20 86 17497 10 9 -1.6 -8.9 | 86 17 -16.9 -1.2 21 70 18690 290 6 5.6 -2.1 | 120 11 -9.7 5.6 22 50 20690 80 14 -13.8 -2.4 | 100 30 -29.1 5.2 23 30 23880 15 4 -1.0 -3.9 | 103 17 -16.3 3.8 24 20 26470 80 11 -10.8 -1.9 | 102 27 -26.1 5.8 Wind Parameters Mean winds (0-6000m): 266.6 at 22.8 knts Storm direction: 296.6 at 17.1 knts Shear (0-3000m) pos: 1.1 neg: 3.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 114.8 deg Storm rel helicity (0-3000m) pos: 54.5 neg: -20.7 tot: 33.8 m^2/s^2 ave: 11.3 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.31 Bulk Shear: 51.41 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 ------------------------------------------------------------------------------- 500 324 8 98 11| 0.0 7.1 7.1| 2.5 -15.4 -12.9 -25.8 -0.46| 10.6 -4.9 1000 332 10 86 11| 0.0 4.8 4.8| 4.9 -20.7 -15.8 -15.8 -0.28| 9.6 -2.7 1500 319 10 90 9| 0.0 3.5 3.5| 15.2 -20.7 -5.5 -3.7 0.05| 9.0 0.4 2000 304 11 105 7| 0.0 3.6 3.6| 26.3 -20.7 5.6 2.8 0.18| 8.3 1.5 2500 288 12 135 6| 0.0 3.9 3.9| 39.4 -20.7 18.6 7.5 0.27| 7.7 2.1 3000 281 13 157 5| 1.1 3.3 4.4| 54.5 -20.7 33.8 11.3 0.35| 7.5 2.7 4000 276 16 190 6| 0.8 3.5 4.3| 57.6 -21.6 36.0 9.0 0.31| 6.8 2.1 5000 270 20 209 9| 0.6 3.3 4.0| 64.7 -21.8 42.8 8.6 0.30| 6.0 1.8 6000 267 23 220 12| 0.5 3.7 4.3| 74.6 -23.0 51.5 8.6 0.27| 6.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251031.12.gif