UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 4 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 155 1 925 817 SFC 851 1500 16.6 14.8 89 1.8 15.4 60 12 303.4 305.8 294.5 340.7 12.54 3 850 1534 18.0 14.8 82 3.2 15.8 40 6 305.0 307.3 294.9 342.5 12.55 4 847 1564 19.2 13.2 68 6.0 15.3 40 7 306.6 308.7 294.5 340.7 11.33 5 844 1595 17.8 12.9 73 4.9 14.6 40 7 305.4 307.5 294.0 338.8 11.15 6 843 1605 19.6 13.6 68 6.0 15.6 39 8 307.4 309.6 295.0 342.7 11.69 7 775 2317 12.0 10.1 88 1.9 10.8 21 16 306.7 308.6 293.6 337.1 10.07 8 745 2646 9.4 8.9 97 0.5 9.1 330 11 307.4 309.2 293.4 336.6 9.66 9 743 2668 9.2 8.6 96 0.6 8.8 325 11 307.4 309.2 293.3 336.1 9.48 10 727 2848 9.8 5.5 75 4.3 7.3 289 9 310.0 311.4 292.8 334.0 7.82 11 700 3161 7.8 3.2 73 4.6 5.2 225 6 311.1 312.4 292.4 332.5 6.90 12 680 3400 6.6 -0.4 61 7.0 2.9 225 9 312.4 313.4 291.6 329.5 5.47 13 610 4282 -0.3 -4.5 73 4.2 -2.3 227 18 314.3 315.1 291.3 328.6 4.49 14 600 4414 -1.3 -8.3 59 7.0 -4.4 229 19 314.6 315.3 290.5 325.6 3.41 15 568 4850 -2.7 -36.7 5 34.0 -10.2 219 17 317.9 318.0 288.4 319.0 0.29 16 500 5850 -9.7 -26.7 24 17.0 -14.1 230 23 321.2 321.4 290.0 324.2 0.86 17 466 6391 -11.7 -34.7 13 23.0 -16.5 230 33 325.3 325.3 290.8 326.9 0.43 18 463 6441 -11.9 -32.9 16 21.0 -16.5 231 33 325.6 325.7 291.0 327.5 0.52 19 400 7540 -20.9 -30.9 40 10.0 -22.9 240 31 327.8 328.0 291.9 330.5 0.73 20 395 7632 -21.7 -28.7 53 7.0 -23.2 242 32 328.0 328.1 292.0 331.2 0.91 21 387 7782 -22.7 -27.3 66 4.6 -23.7 245 34 328.6 328.8 292.3 332.3 1.05 22 366 8188 -24.9 -31.9 52 7.0 -26.2 254 40 330.9 331.1 292.7 333.6 0.72 23 341 8697 -28.7 -32.6 69 3.9 -29.3 255 44 332.5 332.7 293.1 335.2 0.72 24 319 9171 -31.7 -41.7 37 10.0 -32.9 257 49 334.8 334.8 293.3 336.0 0.31 25 300 9600 -35.7 -44.7 39 9.0 -36.5 260 54 335.1 335.1 293.3 336.0 0.24 26 266 10431 -41.9 -57.9 16 16.0 -42.6 260 55 337.7 337.7 293.8 338.0 0.06 27 250 10850 -45.3 -60.3 17 15.0 -45.9 260 56 338.7 338.7 294.0 338.9 0.05 28 200 12300 -56.9 -67.9 24 11.0 -57.1 270 64 342.7 342.7 295.0 342.7 0.02 29 192 12557 -59.1 -68.6 28 9.5 -59.2 270 65 343.1 343.1 295.1 343.2 0.02 30 179 12991 -62.9 -69.9 38 7.0 -63.0 271 63 343.9 343.9 295.3 344.0 0.02 31 176 13095 -63.3 -70.3 38 7.0 -63.4 272 62 344.9 344.9 295.5 345.0 0.02 32 167 13417 -62.9 -72.9 25 10.0 -63.0 273 60 350.8 350.8 296.8 350.8 0.01 33 151 14030 -66.9 -74.9 31 8.0 -67.0 275 57 354.2 354.2 297.5 354.2 0.01 34 150 14070 -66.7 -74.7 32 8.0 -66.8 275 57 355.2 355.2 297.7 355.2 0.01 35 139 14530 -66.7 -79.7 14 13.0 -66.8 275 51 363.0 363.0 299.3 363.0 0.01 36 133 14798 -64.7 -80.7 9 16.0 -64.8 275 47 371.2 371.2 300.8 371.2 0.00 37 131 14890 -64.9 -81.9 8 17.0 -65.0 275 46 372.4 372.4 301.0 372.4 0.00 38 113 15785 -67.7 -83.7 8 16.0 -67.8 275 34 383.3 383.3 302.8 383.3 0.00 39 108 16058 -66.5 -82.5 9 16.0 -66.6 275 30 390.5 390.6 303.9 390.6 0.00 40 100 16520 -69.1 -84.1 10 15.0 -69.2 275 24 394.2 394.2 304.4 394.2 0.00 41 80 17839 -73.7 -86.7 12 13.0 -73.7 181 17 410.7 410.7 306.6 410.7 0.00 42 70 18630 -68.5 -85.5 7 17.0 -68.7 125 13 437.8 437.8 309.7 437.9 0.00 43 69 18716 -67.9 -85.9 6 18.0 -68.1 125 13 440.9 440.9 310.0 441.0 0.00 44 58 19750 -71.5 -87.5 7 16.0 -71.6 125 11 455.3 455.3 311.4 455.3 0.00 45 53 20288 -66.9 -85.9 5 19.0 -67.1 125 11 477.8 477.8 313.2 477.8 0.00 46 50 20640 -67.1 -87.1 4 20.0 -67.3 125 10 485.4 485.4 313.9 485.4 0.00 47 42 21695 -65.7 -87.7 3 22.0 -66.0 118 14 513.6 513.6 315.9 513.7 0.00 48 36 22643 -60.7 -87.7 2 27.0 -61.4 112 18 549.7 549.7 318.1 549.8 0.00 49 30 23780 -59.7 -90.7 1 31.0 -60.7 105 22 581.9 581.9 319.8 581.9 0.00 50 26 24678 -58.5 -89.5 1 31.0 -59.7 105 24 609.6 609.6 321.0 609.6 0.00 51 21 26036 -53.9 -86.9 1 33.0 -56.3 105 27 661.9 661.9 323.2 662.0 0.01 52 20 26350 -53.9 -86.9 1 33.0 -56.3 105 28 671.2 671.2 323.4 671.3 0.01 53 16 27785 -53.3 -86.3 1 33.0 -56.3 717.4 717.4 325.0 717.5 0.01 TRP 151 14030 -66.9 -74.9 31 8.0 -67.0 275 57 354.2 354.2 297.5 354.2 0.01 WND 192 12557 -59.1 -68.6 28 9.5 -59.2 270 65 343.1 343.1 295.1 343.2 0.02 Sounding variables and indices 1000-500 mb thick: 5695.00 m Freezing level: 613.04 mb = 4243.28 m = 13921.37 ft Wetbulb zero: 641.20 mb = 3876.77 m = 12718.89 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 55.92 % Est. max temperature: 23.90 C = 75.02 F Sfc-Lift cond lev (LCL): 828.71 mb = 1749.48 m = 5739.71 ft T: 18.06 C 700-500 lapse rate: 6.51 C/km ThetaE index: 23.71 C Layer 775.0- 500.0 mb Conv cond level (CCL): 759.77 mb = 2482.30 m = 8143.93 ft Mean mixing ratio: 10.70 g/kg Conv temperature: 20.05 C = 68.09 F Cap Strength: 0.87 C Lifted Index: -2.57 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.15 C Lifted Index @700 mb: 0.40 C Showalter Index: -3.92 C Risk: Severe thunderstorms possible Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 24.50 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 276.60 Risk: None Energy Index: -3.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 432.11 J/kg Max Up Vert Vel: 29.40 m/s Conv Inhibition (B-): 2.83 J/kg Cap Strength: 0.73 C Lift Cond Lev (LCL): 761.05 mb = 2468.25 m = 8097.82 ft Lev Free Conv (LFC): 756.05 mb = 2523.09 m = 8277.77 ft Equ Level (EL): 736.05 mb = 2745.72 m = 9008.15 ft B at Equ Level: 7.15 J/kg Max Parcel Lev (MPL): 696.05 mb = 3207.62 m = 10523.56 ft Wind level data Storm motion: 264 at 14 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 60 12 -10.4 -6.0 | 73 26 -24.5 -7.4 1 850 1534 40 6 -3.9 -4.6 | 71 19 -17.9 -6.0 2 791 2134 35 20 -11.5 -16.4 | 55 31 -25.6 -17.8 3 763 2438 10 13 -2.3 -12.8 | 49 22 -16.3 -14.2 4 700 3161 225 6 4.2 4.2 | 106 10 -9.8 2.8 5 633 3962 225 17 12.0 12.0 | 169 11 -2.1 10.6 6 587 4572 230 20 15.3 12.9 | 186 12 1.2 11.4 7 544 5182 205 13 5.5 11.8 | 140 13 -8.6 10.4 8 500 5850 230 23 17.6 14.8 | 195 14 3.5 13.4 9 465 6401 230 33 25.3 21.2 | 209 23 11.2 19.8 10 429 7010 240 29 25.1 14.5 | 220 17 11.0 13.1 11 400 7540 240 31 26.8 15.5 | 222 19 12.8 14.1 12 363 8230 255 41 39.6 10.6 | 250 27 25.5 9.2 13 334 8839 255 45 43.5 11.6 | 251 31 29.4 10.2 14 300 9600 260 54 53.2 9.4 | 258 40 39.1 8.0 15 250 10850 260 56 55.1 9.7 | 259 42 41.1 8.3 16 200 12300 270 64 64.0 -0.0 | 272 50 49.9 -1.4 17 192 12557 270 65 65.0 -0.0 | 272 51 50.9 -1.4 18 151 14030 275 57 56.8 -5.0 | 279 43 42.7 -6.4 19 150 14070 275 57 56.8 -5.0 | 279 43 42.7 -6.4 20 100 16520 275 24 23.9 -2.1 | 290 10 9.8 -3.5 21 70 18630 125 13 -10.6 7.5 | 104 25 -24.7 6.0 22 50 20640 125 10 -8.2 5.7 | 101 23 -22.3 4.3 23 30 23780 105 22 -21.3 5.7 | 97 36 -35.3 4.3 24 20 26350 105 28 -27.0 7.2 | 98 42 -41.1 5.8 Wind Parameters Mean winds (0-6000m): 234.3 at 18.9 knts Storm direction: 264.3 at 14.2 knts Shear (0-3000m) pos: 1.6 neg: 3.9 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 111.0 deg Storm rel helicity (0-3000m) pos: 51.1 neg: -90.0 tot: -38.9 m^2/s^2 ave: -13.0 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 1.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 3.64 Bulk Shear: 118.76 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 37 11 64 23| 0.0 7.9 7.9| 0.0 -39.4 -39.4 -78.8 -0.42| 15.4 -6.5 1000 31 14 58 25| 0.0 6.5 6.5| 0.0 -81.3 -81.3 -81.3 -0.41| 15.3 -6.3 1500 21 13 55 23| 0.0 6.6 6.6| 12.6 -90.0 -77.4 -51.6 -0.16| 16.4 -2.6 2000 19 11 55 22| 0.0 5.8 5.8| 27.5 -90.0 -62.5 -31.3 -0.02| 14.4 -0.3 2500 349 12 42 18| 1.3 4.6 6.0| 43.1 -90.0 -46.9 -18.8 0.08| 12.9 1.0 3000 271 13 33 2| 1.6 3.9 5.4| 51.1 -90.0 -38.9 -13.0 0.12| 11.2 1.3 4000 235 14 158 7| 1.5 2.2 3.8| 70.2-119.9 -49.7 -12.4 0.05| 10.3 0.5 5000 232 16 173 9| 2.8 1.8 4.6|120.0-119.9 0.1 0.0 0.16| 10.1 1.7 6000 234 19 187 10| 2.3 1.5 3.8|138.5-119.9 18.6 3.1 0.19| 9.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251204.00.gif