UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120611.upa.cvt Date: 1100Z 6 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 6 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 102 1 925 788 SFC 851 1500 27.4 14.4 45 13.0 18.4 290 6 314.7 317.1 297.2 352.7 12.21 3 850 1532 25.6 12.6 44 13.0 16.9 285 9 313.0 315.0 295.8 346.5 10.85 4 849 1542 24.2 11.2 44 13.0 15.7 286 9 311.6 313.5 294.8 342.0 9.89 5 843 1604 23.4 10.4 44 13.0 15.0 290 9 311.4 313.2 294.4 340.4 9.43 6 700 3187 9.4 2.4 62 7.0 5.5 305 6 312.9 314.1 292.6 333.2 6.51 7 612 4283 0.2 -2.3 83 2.5 -1.1 211 2 314.6 315.6 292.0 331.3 5.28 8 611 4296 0.2 -2.3 83 2.5 -1.1 208 3 314.7 315.7 292.1 331.5 5.29 9 579 4726 -1.9 -6.9 69 5.0 -4.2 171 4 317.1 317.9 291.7 329.9 3.94 10 562 4962 -3.7 -5.4 88 1.7 -4.5 208 4 317.7 318.6 292.4 332.4 4.55 11 549 5147 -4.9 -6.9 86 2.0 -5.8 237 4 318.4 319.2 292.2 331.9 4.15 12 539 5292 -4.3 -13.3 49 9.0 -7.8 248 4 320.8 321.3 291.5 329.3 2.54 13 530 5424 -5.1 -15.1 45 10.0 -8.8 253 4 321.4 321.9 291.4 328.9 2.23 14 500 5880 -8.3 -12.9 69 4.6 -10.1 270 5 322.9 323.5 292.4 332.4 2.83 15 492 6005 -9.3 -13.3 73 4.0 -10.8 274 5 323.2 323.7 292.4 332.5 2.79 16 459 6540 -11.9 -19.9 51 8.0 -14.5 277 6 326.4 326.8 292.3 332.4 1.72 17 437 6914 -15.1 -19.1 71 4.0 -16.4 256 13 327.0 327.4 292.7 333.7 1.93 18 427 7090 -15.3 -28.3 32 13.0 -18.4 253 16 328.9 329.1 292.3 332.0 0.87 19 426 7107 -15.3 -28.3 32 13.0 -18.4 253 17 329.1 329.3 292.3 332.3 0.87 20 411 7377 -17.7 -26.7 45 9.0 -19.9 263 21 329.4 329.6 292.6 333.2 1.05 21 405 7487 -18.5 -37.5 17 19.0 -21.8 267 23 329.8 329.8 292.0 331.2 0.38 22 400 7580 -19.1 -38.1 17 19.0 -22.3 270 25 330.2 330.2 292.1 331.5 0.36 23 392 7730 -20.3 -34.3 28 14.0 -22.9 272 26 330.5 330.6 292.4 332.5 0.53 24 376 8038 -22.3 -51.3 5 29.0 -25.5 277 27 331.8 331.8 292.3 332.2 0.09 25 355 8458 -25.9 -34.9 43 9.0 -27.4 280 28 332.5 332.6 292.9 334.6 0.56 26 349 8582 -26.5 -40.5 25 14.0 -28.4 280 29 333.3 333.4 292.9 334.5 0.32 27 347 8623 -26.9 -30.1 74 3.2 -27.5 280 29 333.3 333.5 293.4 336.6 0.90 28 329 9006 -29.3 -36.3 51 7.0 -30.3 281 29 335.1 335.2 293.6 337.1 0.52 29 300 9660 -34.1 -40.1 55 6.0 -34.8 285 28 337.3 337.4 294.0 338.8 0.39 30 293 9824 -35.5 -42.5 49 7.0 -36.2 284 29 337.6 337.7 294.0 338.8 0.31 31 285 10015 -37.1 -43.1 54 6.0 -37.7 284 29 338.0 338.1 294.1 339.2 0.30 32 250 10900 -45.1 -47.9 73 2.8 -45.3 280 33 339.0 339.1 294.3 339.8 0.20 33 224 11624 -51.9 -53.3 85 1.4 -52.0 265 39 339.4 339.4 294.3 339.9 0.12 34 209 12070 -55.7 -58.6 70 2.9 -55.8 256 43 340.2 340.3 294.4 340.5 0.07 35 200 12350 -56.9 -61.1 59 4.2 -57.0 250 45 342.7 342.7 295.0 342.9 0.05 36 199 12382 -57.1 -61.3 59 4.2 -57.2 250 45 342.8 342.8 295.0 343.0 0.05 37 192 12607 -58.7 -67.7 30 9.0 -58.8 251 44 343.8 343.8 295.3 343.9 0.02 38 150 14130 -66.3 -74.3 32 8.0 -66.4 260 40 355.9 355.9 297.9 355.9 0.01 39 143 14418 -67.9 -75.9 31 8.0 -67.9 259 39 358.0 358.0 298.3 358.0 0.01 40 131 14944 -68.5 -80.5 16 12.0 -68.6 258 38 366.0 366.0 299.8 366.0 0.00 41 125 15225 -69.3 -80.3 19 11.0 -69.4 257 37 369.5 369.5 300.5 369.5 0.01 42 114 15770 -72.7 -82.7 21 10.0 -72.8 255 36 373.0 373.0 301.1 373.0 0.00 43 112 15874 -71.7 -82.7 18 11.0 -71.8 255 33 376.8 376.8 301.7 376.8 0.00 44 102 16424 -73.3 -84.3 17 11.0 -73.3 255 17 383.9 383.9 302.9 383.9 0.00 45 100 16540 -72.1 -83.1 18 11.0 -72.2 255 14 388.4 388.4 303.6 388.4 0.00 46 74 18305 -74.7 -85.7 17 11.0 -74.7 356 5 417.9 417.9 307.4 417.9 0.00 47 70 18630 -73.1 -85.1 14 12.0 -73.2 15 3 428.0 428.0 308.6 428.0 0.00 48 64 19158 -69.3 -84.3 10 15.0 -69.4 32 6 447.4 447.5 310.6 447.5 0.01 49 50 20640 -65.9 -85.9 5 20.0 -66.2 80 13 488.2 488.2 314.1 488.2 0.00 50 41 21853 -62.1 -87.1 2 25.0 -62.6 72 15 526.2 526.2 316.7 526.2 0.00 51 30 23790 -60.1 -91.1 1 31.0 -61.0 60 19 580.8 580.8 319.7 580.8 0.00 52 28 24223 -59.9 -90.9 1 31.0 -60.9 65 18 592.9 592.9 320.3 592.9 0.00 53 22 25761 -52.3 -85.3 1 33.0 -54.9 83 17 657.9 657.9 323.0 658.0 0.01 54 20 26380 -52.1 -85.1 1 33.0 -55.0 90 16 676.7 676.7 323.7 676.8 0.01 55 17 27442 -48.1 -82.1 1 34.0 -52.6 721.7 721.7 325.1 722.0 0.03 56 13 29205 -49.3 -83.3 1 34.0 -54.2 775.1 775.1 326.6 775.4 0.03 TRP 114 15770 -72.7 -82.7 21 10.0 -72.8 255 36 373.0 373.0 301.1 373.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 607.95 mb = 4337.05 m = 14228.98 ft Wetbulb zero: 626.66 mb = 4089.83 m = 13417.92 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 63.77 % Est. max temperature: 25.63 C = 78.13 F Sfc-Lift cond lev (LCL): 703.77 mb = 3141.32 m = 10306.03 ft T: 9.80 C 700-500 lapse rate: 6.57 C/km ThetaE index: 21.40 C Layer 850.0- 611.0 mb Conv cond level (CCL): 660.98 mb = 3654.85 m = 11990.84 ft Mean mixing ratio: 8.59 g/kg Conv temperature: 26.35 C = 79.43 F Cap Strength: 1.29 C Lifted Index: -0.88 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.92 C Lifted Index @700 mb: 0.90 C Showalter Index: -4.04 C Risk: Severe thunderstorms possible Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.90 C Cross Totals Index: 20.90 C K Index: 39.50 Risk: > 80 % chance of thunderstorms Sweat Index: 290.20 Risk: None Energy Index: -2.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 134.70 J/kg Max Up Vert Vel: 16.41 m/s Conv Inhibition (B-): 32.07 J/kg Cap Strength: 2.71 C Lift Cond Lev (LCL): 676.98 mb = 3459.80 m = 11350.91 ft Lev Free Conv (LFC): 641.98 mb = 3892.85 m = 12771.67 ft Equ Level (EL): 331.98 mb = 8941.54 m = 29335.40 ft B at Equ Level: 133.64 J/kg Max Parcel Lev (MPL): 201.98 mb = 12287.36 m = 40312.37 ft Wind level data Storm motion: 306 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 ---------------------------------------------------------- 0 851 1500 290 6 5.6 -2.1 | 237 2 1.5 1.0 1 850 1532 285 9 8.7 -2.3 | 261 5 4.6 0.7 2 792 2134 325 10 5.7 -8.2 | 343 5 1.6 -5.2 3 764 2438 320 7 4.5 -5.4 | 351 2 0.4 -2.3 4 700 3187 305 6 4.9 -3.4 | 298 1 0.8 -0.4 5 635 3962 270 1 1.0 -0.0 | 134 4 -3.1 3.0 6 589 4572 150 4 -2.0 3.5 | 137 9 -6.1 6.5 7 546 5182 245 4 3.6 1.7 | 174 5 -0.5 4.7 8 500 5880 270 5 5.0 -0.0 | 196 3 0.9 3.0 9 467 6401 285 4 3.9 -1.0 | 172 2 -0.3 2.0 10 431 7010 250 15 14.1 5.1 | 231 13 10.0 8.2 11 400 7580 270 25 25.0 -0.0 | 262 21 20.9 3.0 12 366 8230 280 28 27.6 -4.9 | 274 24 23.4 -1.8 13 336 8839 280 29 28.6 -5.0 | 275 25 24.4 -2.0 14 300 9660 285 28 27.0 -7.2 | 280 23 22.9 -4.2 15 250 10900 280 33 32.5 -5.7 | 275 28 28.4 -2.7 16 200 12350 250 45 42.3 15.4 | 244 42 38.2 18.4 17 150 14130 260 40 39.4 6.9 | 254 37 35.3 10.0 18 114 15770 255 36 34.8 9.3 | 248 33 30.6 12.3 19 100 16540 255 14 13.5 3.6 | 235 12 9.4 6.6 20 70 18630 15 3 -0.8 -2.9 | 91 5 -4.9 0.1 21 50 20640 80 13 -12.8 -2.3 | 93 17 -16.9 0.8 22 30 23790 60 19 -16.5 -9.5 | 73 22 -20.6 -6.5 23 20 26380 90 16 -16.0 0.0 | 99 20 -20.1 3.0 Wind Parameters Mean winds (0-6000m): 276.2 at 6.8 knts Storm direction: 306.2 at 5.1 knts Shear (0-3000m) pos: 0.6 neg: 1.8 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -95.2 deg Storm rel helicity (0-3000m) pos: 9.9 neg: -4.1 tot: 5.8 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 56.29 Bulk Shear: 2.39 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 ------------------------------------------------------------------------------- 500 301 9 295 4| 5.3 0.0 5.3| 6.3 0.0 6.3 12.5 0.81| 7.9 6.4 1000 312 9 319 4| 1.7 0.0 1.7| 8.5 0.0 8.5 8.5 0.67| 6.2 4.1 1500 312 8 322 3| 1.1 0.5 1.6| 8.5 -0.3 8.1 5.4 0.54| 4.6 2.5 2000 311 7 320 2| 0.9 1.0 1.9| 8.5 -0.8 7.7 3.8 0.30| 4.2 1.3 2500 310 6 324 1| 0.7 1.3 2.0| 8.5 -1.9 6.6 2.6 0.18| 4.0 0.7 3000 307 6 313 1| 0.6 1.8 2.3| 9.9 -4.1 5.8 1.9 0.14| 4.1 0.6 4000 297 5 222 1| 0.9 1.3 2.2| 19.5 -5.3 14.2 3.6 0.25| 4.1 1.0 5000 291 5 209 1| 1.0 1.1 2.0| 21.2 -5.9 15.4 3.1 0.27| 3.8 1.0 6000 276 7 229 4| 1.6 1.3 2.9| 55.4 -9.0 46.4 7.7 0.30| 5.0 1.5 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251206.11.gif