UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 7 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 157 1 925 821 SFC 852 1500 18.0 13.1 73 4.9 14.8 90 5 304.8 306.9 293.9 338.2 11.19 3 850 1542 17.8 11.8 68 6.0 14.0 75 6 304.8 306.7 293.2 335.6 10.28 4 798 2083 17.8 7.8 52 10.0 11.6 30 14 310.3 311.9 293.3 336.0 8.35 5 758 2521 14.8 3.8 48 11.0 8.4 335 6 311.7 313.0 292.3 332.3 6.64 6 700 3189 9.2 1.2 57 8.0 4.8 295 4 312.7 313.8 292.1 331.4 5.97 7 629 4064 1.6 -0.1 88 1.7 0.7 275 3 313.7 314.9 292.4 332.7 6.05 8 612 4285 0.6 -1.0 89 1.6 -0.2 260 4 315.0 316.1 292.6 333.4 5.82 9 559 5006 -4.7 -11.7 58 7.0 -7.5 237 9 317.0 317.6 290.6 326.2 2.79 10 553 5091 -4.9 -13.9 49 9.0 -8.3 236 10 317.8 318.2 290.5 325.6 2.36 11 550 5134 -5.3 -10.0 69 4.7 -7.2 236 10 317.8 318.4 291.3 328.4 3.25 12 547 5177 -5.1 -18.1 35 13.0 -9.5 235 11 318.5 318.9 290.0 324.2 1.68 13 545 5206 -5.5 -13.5 53 8.0 -8.5 235 11 318.4 318.9 290.7 326.6 2.48 14 533 5381 -5.9 -28.9 14 23.0 -11.8 235 10 319.9 320.1 289.5 322.3 0.66 15 531 5410 -6.3 -16.3 45 10.0 -9.8 235 10 319.8 320.2 290.7 326.6 2.02 16 525 5499 -6.5 -26.5 19 20.0 -11.9 235 10 320.6 320.8 289.8 323.5 0.83 17 516 5634 -7.3 -15.3 53 8.0 -10.2 235 10 321.2 321.7 291.4 328.8 2.25 18 509 5741 -7.5 -21.5 32 14.0 -11.8 235 9 322.2 322.5 290.8 326.9 1.35 19 500 5880 -8.3 -26.3 22 18.0 -13.2 235 9 322.9 323.1 290.6 326.1 0.89 20 497 5926 -8.5 -34.5 10 26.0 -14.2 235 9 323.2 323.3 290.2 324.7 0.41 21 487 6083 -9.7 -21.7 37 12.0 -13.3 237 10 323.6 323.9 291.3 328.4 1.38 22 484 6131 -9.7 -33.7 12 24.0 -15.0 237 10 324.2 324.3 290.5 325.9 0.46 23 478 6226 -10.7 -29.7 19 19.0 -15.3 238 11 324.1 324.3 290.7 326.6 0.68 24 474 6291 -11.3 -15.6 70 4.3 -12.8 239 11 324.2 324.6 292.3 332.3 2.39 25 472 6323 -10.9 -36.9 10 26.0 -16.1 239 12 325.1 325.1 290.7 326.3 0.34 26 456 6586 -12.7 -33.7 15 21.0 -17.1 249 11 326.0 326.1 291.1 327.8 0.49 27 452 6653 -13.3 -22.3 47 9.0 -15.9 252 11 326.1 326.4 292.0 331.0 1.41 28 439 6874 -14.9 -16.7 86 1.8 -15.5 263 10 326.8 327.3 293.0 334.9 2.36 29 432 6995 -15.5 -20.5 65 5.0 -17.0 269 10 327.6 327.9 292.7 333.6 1.73 30 421 7188 -17.3 -20.1 79 2.8 -18.1 272 10 327.7 328.0 292.8 334.1 1.84 31 418 7241 -16.5 -34.5 20 18.0 -20.1 272 10 329.4 329.5 292.0 331.2 0.49 32 416 7277 -16.7 -37.7 14 21.0 -20.5 272 10 329.6 329.6 292.0 330.9 0.36 33 403 7514 -18.1 -44.1 8 26.0 -21.9 274 11 330.8 330.8 292.1 331.5 0.19 34 400 7570 -18.5 -43.5 9 25.0 -22.2 275 11 330.9 331.0 292.2 331.7 0.20 35 396 7645 -19.1 -37.1 19 18.0 -22.2 274 13 331.1 331.2 292.4 332.6 0.40 36 391 7740 -19.9 -24.0 70 4.1 -21.0 274 15 331.3 331.6 293.4 336.3 1.41 37 373 8090 -21.7 -31.7 40 10.0 -23.7 271 24 333.4 333.5 293.3 336.1 0.72 38 371 8129 -21.9 -31.9 40 10.0 -23.9 271 25 333.6 333.8 293.4 336.3 0.71 39 323 9136 -29.7 -41.7 30 12.0 -31.2 257 36 336.3 336.4 293.7 337.5 0.30 40 300 9660 -34.1 -41.1 49 7.0 -34.9 250 48 337.3 337.4 294.0 338.7 0.35 41 293 9824 -35.5 -40.5 60 5.0 -36.1 252 49 337.6 337.7 294.1 339.1 0.38 42 250 10900 -45.1 -52.1 45 7.0 -45.4 265 58 339.0 339.0 294.2 339.5 0.12 43 228 11508 -50.9 -55.7 57 4.8 -51.1 265 63 339.2 339.2 294.2 339.6 0.09 44 209 12070 -55.2 -59.9 56 4.7 -55.3 265 68 341.1 341.1 294.6 341.4 0.06 45 200 12350 -57.3 -62.0 55 4.7 -57.4 260 63 342.0 342.0 294.8 342.2 0.05 46 192 12606 -59.5 -63.4 60 3.9 -59.6 260 61 342.5 342.5 295.0 342.7 0.04 47 188 12738 -60.7 -65.4 54 4.7 -60.8 260 60 342.6 342.7 295.0 342.8 0.03 48 173 13252 -62.9 -70.9 33 8.0 -63.0 260 56 347.3 347.3 296.0 347.3 0.02 49 158 13811 -61.9 -73.9 19 12.0 -62.0 260 52 358.1 358.1 298.3 358.1 0.01 50 155 13929 -62.7 -74.7 18 12.0 -62.8 260 51 358.7 358.7 298.4 358.7 0.01 51 150 14130 -64.3 -75.3 21 11.0 -64.4 260 50 359.3 359.3 298.6 359.4 0.01 52 127 15129 -72.1 -80.1 29 8.0 -72.1 250 48 362.8 362.8 299.2 362.8 0.01 53 115 15713 -72.7 -83.7 17 11.0 -72.8 252 32 372.1 372.1 300.9 372.1 0.00 54 111 15922 -70.7 -82.7 15 12.0 -70.8 253 27 379.6 379.6 302.2 379.6 0.00 55 100 16540 -71.3 -83.3 15 12.0 -71.3 255 10 390.0 390.0 303.8 390.0 0.00 56 71 18538 -76.1 -87.1 16 11.0 -76.2 202 8 419.9 419.9 307.7 419.9 0.00 57 70 18620 -73.1 -85.1 14 12.0 -73.2 200 8 428.0 428.0 308.6 428.0 0.00 58 69 18705 -72.1 -84.1 15 12.0 -72.2 196 8 431.9 431.9 309.0 431.9 0.00 59 64 19149 -71.7 -85.7 11 14.0 -71.8 172 10 442.2 442.2 310.1 442.2 0.00 60 60 19534 -67.5 -84.5 7 17.0 -67.7 152 11 459.8 459.8 311.8 459.8 0.01 61 52 20394 -68.7 -86.7 6 18.0 -68.9 107 13 476.2 476.2 313.1 476.2 0.00 62 50 20630 -66.9 -85.9 5 19.0 -67.1 95 14 485.8 485.8 313.9 485.9 0.00 63 39 22153 -60.3 -85.3 2 25.0 -61.0 97 23 538.3 538.3 317.4 538.3 0.01 64 30 23790 -59.7 -87.7 1 28.0 -60.6 100 33 581.9 581.9 319.8 581.9 0.01 65 26 24698 -53.5 -86.5 1 33.0 -55.6 623.8 623.8 321.6 623.9 0.01 66 22 25767 -55.9 -87.9 1 32.0 -57.8 647.2 647.2 322.6 647.2 0.01 TRP 127 15129 -72.1 -80.1 29 8.0 -72.1 250 48 362.8 362.8 299.2 362.8 0.01 WND 209 12070 -55.2 -59.9 56 4.7 -55.3 265 68 341.1 341.1 294.6 341.4 0.06 Sounding variables and indices 1000-500 mb thick: 5723.00 m Freezing level: 606.00 mb = 4366.61 m = 14325.98 ft Wetbulb zero: 616.02 mb = 4232.25 m = 13885.18 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 59.69 % Est. max temperature: 25.49 C = 77.88 F Sfc-Lift cond lev (LCL): 792.16 mb = 2145.41 m = 7038.67 ft T: 17.37 C 700-500 lapse rate: 6.50 C/km ThetaE index: 4.64 C Layer 758.0- 629.0 mb Conv cond level (CCL): 661.66 mb = 3650.01 m = 11974.94 ft Mean mixing ratio: 8.42 g/kg Conv temperature: 26.07 C = 78.93 F Cap Strength: 3.14 C Lifted Index: 0.65 C Risk: Showers probable Lifted Index @300 mb: 3.09 C Lifted Index @700 mb: 3.13 C Showalter Index: 0.35 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 20.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 162.60 Risk: None Energy Index: -1.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.86 J/kg Max Up Vert Vel: 10.38 m/s Conv Inhibition (B-): 138.36 J/kg Cap Strength: 3.14 C Lift Cond Lev (LCL): 699.45 mb = 3195.47 m = 10483.69 ft Lev Free Conv (LFC): 594.45 mb = 4516.67 m = 14818.29 ft Equ Level (EL): 514.45 mb = 5658.00 m = 18562.76 ft B at Equ Level: 51.86 J/kg Max Parcel Lev (MPL): 404.45 mb = 7487.64 m = 24565.44 ft Wind level data Storm motion: 296 at 6 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 90 5 -5.0 0.0 | 104 11 -10.4 2.6 1 850 1542 75 6 -5.8 -1.6 | 95 11 -11.2 1.1 2 793 2134 25 15 -6.3 -13.6 | 47 16 -11.7 -11.0 3 765 2438 340 6 2.1 -5.6 | 48 4 -3.3 -3.0 4 700 3189 295 4 3.6 -1.7 | 118 2 -1.8 0.9 5 635 3962 280 2 2.0 -0.3 | 124 4 -3.4 2.3 6 589 4572 240 6 5.2 3.0 | 178 6 -0.2 5.6 7 546 5182 235 11 9.0 6.3 | 202 10 3.6 8.9 8 500 5880 235 9 7.4 5.2 | 194 8 2.0 7.8 9 467 6401 240 12 10.4 6.0 | 210 10 5.0 8.6 10 431 7010 270 10 10.0 -0.0 | 240 5 4.6 2.6 11 400 7570 275 11 11.0 -1.0 | 253 6 5.6 1.7 12 365 8230 270 28 28.0 -0.0 | 263 23 22.6 2.6 13 336 8839 260 29 28.6 5.0 | 252 24 23.2 7.7 14 300 9660 250 48 45.1 16.4 | 244 44 39.7 19.0 15 250 10900 265 58 57.8 5.1 | 262 53 52.4 7.7 16 209 12070 265 68 67.7 5.9 | 262 63 62.4 8.5 17 200 12350 260 63 62.0 10.9 | 257 58 56.7 13.6 18 150 14130 260 50 49.2 8.7 | 256 45 43.9 11.3 19 127 15129 250 48 45.1 16.4 | 244 44 39.7 19.0 20 100 16540 255 10 9.7 2.6 | 219 7 4.3 5.2 21 70 18620 200 8 2.7 7.5 | 165 10 -2.6 10.1 22 50 20630 95 14 -13.9 1.2 | 101 20 -19.3 3.8 23 30 23790 100 33 -32.5 5.7 | 102 39 -37.9 8.4 Wind Parameters Mean winds (0-6000m): 266.0 at 8.0 knts Storm direction: 296.0 at 6.0 knts Shear (0-3000m) pos: 0.0 neg: 1.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 71.4 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -56.9 tot: -50.0 m^2/s^2 ave: -16.7 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.51 Bulk Shear: 35.66 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 49 9 74 13| 0.0 11.1 11.1| 0.0 -35.5 -35.5 -71.1 -0.91| 11.6-10.6 1000 29 10 58 12| 0.0 4.7 4.7| 1.8 -56.9 -55.1 -55.1 -0.55| 13.7 -7.6 1500 16 8 54 9| 0.0 3.1 3.1| 2.8 -56.9 -54.1 -36.0 -0.44| 10.2 -4.5 2000 6 7 53 8| 0.0 2.1 2.1| 3.4 -56.9 -53.5 -26.7 -0.38| 8.1 -3.1 2500 359 6 55 6| 0.0 1.5 1.5| 3.6 -56.9 -53.3 -21.3 -0.36| 6.8 -2.4 3000 349 6 54 5| 0.0 1.8 1.8| 6.9 -56.9 -50.0 -16.7 -0.23| 6.3 -1.5 4000 298 7 313 1| 0.0 1.9 1.9| 12.8 -58.1 -45.3 -11.3 -0.14| 5.6 -0.8 5000 267 7 214 4| 0.3 1.5 1.7| 20.2 -59.4 -39.2 -7.8 -0.07| 5.0 -0.3 6000 266 8 219 4| 0.6 1.2 1.8| 28.0 -59.4 -31.4 -5.2 0.02| 4.7 0.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251207.00.gif