UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100711.upa.cvt Date: 1100Z 7 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 7 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 118 1 925 804 SFC 853 1500 27.6 9.6 32 18.0 15.9 340 6 314.7 316.4 294.8 342.3 8.83 3 851 1533 27.4 10.4 35 17.0 16.3 280 3 314.7 316.5 295.3 343.9 9.34 4 850 1549 27.4 10.4 35 17.0 16.3 250 1 314.8 316.6 295.3 344.0 9.36 5 847 1580 26.8 9.8 34 17.0 15.8 254 2 314.5 316.3 295.0 342.7 9.01 6 846 1591 24.4 9.4 39 15.0 14.8 255 2 312.1 313.8 294.1 339.3 8.78 7 844 1611 23.2 9.2 41 14.0 14.3 258 3 311.1 312.7 293.8 337.8 8.68 8 797 2106 18.0 7.0 49 11.0 11.3 320 18 310.7 312.2 293.0 335.0 7.91 9 700 3201 9.4 1.4 57 8.0 5.0 245 15 312.9 314.0 292.2 331.9 6.06 10 633 4023 2.0 -3.0 69 5.0 -0.5 244 18 313.6 314.5 291.4 328.9 4.85 11 605 4386 -0.5 -7.5 59 7.0 -3.6 235 17 314.8 315.5 290.7 326.3 3.60 12 568 4887 -4.3 -30.3 11 26.0 -10.7 230 19 316.1 316.2 288.1 318.0 0.54 13 561 4985 -4.9 230 20 316.5 14 500 5880 -10.7 -53.7 2 43.0 -16.3 250 17 320.0 320.0 288.8 320.2 0.05 15 467 6401 -14.9 -59.9 1 45.0 -19.5 260 15 321.1 321.1 289.1 321.2 0.03 16 431 7006 -17.7 -61.7 1 44.0 -21.8 270 22 325.0 325.0 290.3 325.1 0.02 17 400 7560 -22.1 -65.1 1 43.0 -25.3 260 26 326.3 326.3 290.7 326.3 0.02 18 370 8129 -26.7 -62.7 2 36.0 -29.1 272 33 327.5 327.5 291.0 327.6 0.02 19 330 8946 -32.5 -34.9 79 2.4 -32.9 295 39 330.4 330.6 292.4 332.7 0.60 20 311 9361 -36.3 -38.3 82 2.0 -36.5 295 37 330.8 330.9 292.4 332.5 0.45 21 300 9610 -38.3 -43.0 61 4.7 -38.7 295 36 331.4 331.4 292.4 332.5 0.29 22 288 9888 -40.7 -48.7 42 8.0 -41.2 292 33 331.9 331.9 292.4 332.5 0.16 23 259 10598 -47.3 -53.3 50 6.0 -47.6 283 26 332.4 332.4 292.4 332.8 0.10 24 256 10674 -47.9 -54.9 44 7.0 -48.1 282 25 332.6 332.6 292.5 332.9 0.09 25 250 10830 -48.7 -61.7 21 13.0 -49.1 280 23 333.7 333.7 292.7 333.8 0.04 26 242 11043 -50.3 -70.3 8 20.0 -50.7 279 24 334.4 334.4 292.9 334.4 0.01 27 200 12270 -57.1 -74.1 10 17.0 -57.3 275 27 342.3 342.3 294.9 342.4 0.01 28 161 13612 -65.9 -78.9 15 13.0 -66.0 275 47 349.4 349.4 296.5 349.4 0.00 29 150 14040 -66.9 -78.9 17 12.0 -67.0 275 54 354.8 354.8 297.7 354.9 0.01 30 149 14080 -67.1 -78.1 20 11.0 -67.2 275 54 355.2 355.2 297.7 355.2 0.01 31 139 14500 -66.1 -79.1 15 13.0 -66.2 271 59 364.1 364.1 299.5 364.1 0.01 32 128 14996 -68.5 -81.5 14 13.0 -68.6 266 64 368.4 368.4 300.3 368.4 0.00 33 126 15090 -67.3 -81.3 12 14.0 -67.4 265 65 372.3 372.3 300.9 372.3 0.00 34 117 15537 -66.5 -81.5 10 15.0 -66.6 260 70 381.7 381.7 302.5 381.7 0.00 35 101 16429 -64.9 -81.9 8 17.0 -65.0 269 54 401.2 401.2 305.3 401.2 0.00 36 100 16490 -65.1 -82.1 8 17.0 -65.3 270 53 401.9 401.9 305.5 402.0 0.00 37 92 16997 -64.3 -82.3 7 18.0 -64.5 276 46 413.2 413.2 306.9 413.3 0.00 38 70 18630 -72.7 -87.7 9 15.0 -72.8 295 24 428.9 428.9 308.7 428.9 0.00 39 67 18887 -72.7 -87.7 9 15.0 -72.8 304 22 434.3 434.3 309.3 434.3 0.00 40 62 19343 -71.9 -86.9 9 15.0 -72.0 320 20 445.8 445.8 310.4 445.8 0.00 41 57 19854 -58.3 -82.3 3 24.0 -58.9 338 17 487.5 487.5 314.0 487.5 0.01 42 50 20670 -62.5 -92.5 1 30.0 -62.9 5 12 496.2 496.2 314.7 496.2 0.00 43 48 20923 -63.3 -93.3 1 30.0 -63.7 2 12 500.1 500.1 314.9 500.1 0.00 44 41 21909 -57.7 -89.7 1 32.0 -58.6 351 11 537.1 537.1 317.3 537.2 0.00 45 38 22386 -61.7 -91.7 1 30.0 -62.3 346 11 538.8 538.8 317.5 538.8 0.00 46 30 23860 -60.3 -91.3 1 31.0 -61.2 330 10 580.3 580.3 319.7 580.3 0.00 47 29 24071 -60.7 -91.7 1 31.0 -61.6 338 10 584.8 584.8 319.9 584.8 0.00 48 20 26430 -52.3 -85.3 1 33.0 -55.1 65 12 676.1 676.1 323.6 676.2 0.01 49 19 26762 -51.9 -84.9 1 33.0 -54.9 687.3 687.3 324.0 687.4 0.02 TRP 149 14080 -67.1 -78.1 20 11.0 -67.2 275 54 355.2 355.2 297.7 355.2 0.01 WND 117 15537 -66.5 -81.5 10 15.0 -66.6 260 70 381.7 381.7 302.5 381.7 0.00 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 610.60 mb = 4313.83 m = 14152.82 ft Wetbulb zero: 639.17 mb = 3943.95 m = 12939.30 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 52.40 % Est. max temperature: 25.77 C = 78.38 F Sfc-Lift cond lev (LCL): 655.15 mb = 3742.14 m = 12277.20 ft T: 4.53 C 700-500 lapse rate: 7.50 C/km ThetaE index: 26.07 C Layer 847.0- 561.0 mb Conv cond level (CCL): 652.76 mb = 3772.05 m = 12375.36 ft Mean mixing ratio: 7.99 g/kg Conv temperature: 26.32 C = 79.38 F Cap Strength: 1.73 C Lifted Index: -2.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.76 C Lifted Index @700 mb: 1.47 C Showalter Index: -5.50 C Risk: Severe thunderstorms possible Total Totals Index: 59.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 38.10 C Cross Totals Index: 21.10 C K Index: 40.50 Risk: > 80 % chance of thunderstorms Sweat Index: 347.80 Risk: Showers and thunderstorms possible Energy Index: -4.62 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 517.08 J/kg Max Up Vert Vel: 32.16 m/s Conv Inhibition (B-): 58.62 J/kg Cap Strength: 3.42 C Lift Cond Lev (LCL): 672.15 mb = 3532.86 m = 11590.62 ft Lev Free Conv (LFC): 627.15 mb = 4097.87 m = 13444.30 ft Equ Level (EL): 227.15 mb = 11450.97 m = 37568.34 ft B at Equ Level: 504.18 J/kg Max Parcel Lev (MPL): 157.15 mb = 13758.65 m = 45139.38 ft Wind level data Storm motion: 287 at 13 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 6 2.1 -5.6 | 79 10 -10.3 -1.9 1 850 1549 250 1 0.9 0.3 | 110 12 -11.4 4.1 2 794 2134 325 19 10.9 -15.6 | 7 12 -1.4 -11.9 3 766 2438 305 15 12.3 -8.6 | 0 5 -0.0 -4.9 4 700 3201 245 15 13.6 6.3 | 187 10 1.3 10.1 5 636 3962 245 18 16.3 7.6 | 200 12 4.0 11.3 6 589 4572 230 17 13.0 10.9 | 183 15 0.7 14.6 7 546 5182 230 21 16.1 13.5 | 192 18 3.8 17.2 8 500 5880 250 17 16.0 5.8 | 201 10 3.7 9.5 9 467 6401 260 15 14.8 2.6 | 201 7 2.5 6.3 10 430 7010 270 22 22.0 -0.0 | 249 10 9.7 3.7 11 400 7560 260 26 25.6 4.5 | 238 16 13.3 8.2 12 364 8230 275 34 33.9 -3.0 | 268 22 21.6 0.7 13 334 8839 295 39 35.3 -16.5 | 299 26 23.0 -12.8 14 300 9610 295 36 32.6 -15.2 | 300 23 20.3 -11.5 15 250 10830 280 23 22.7 -4.0 | 272 10 10.3 -0.3 16 200 12270 275 27 26.9 -2.4 | 265 15 14.6 1.4 17 150 14040 275 54 53.8 -4.7 | 271 42 41.5 -1.0 18 149 14080 275 54 53.8 -4.7 | 271 42 41.5 -1.0 19 117 15537 260 70 68.9 12.2 | 254 59 56.6 15.9 20 100 16490 270 53 53.0 -0.0 | 265 41 40.7 3.7 21 70 18630 295 24 21.8 -10.1 | 304 11 9.4 -6.4 22 50 20670 5 12 -1.0 -12.0 | 58 16 -13.4 -8.2 23 30 23860 330 10 5.0 -8.7 | 56 9 -7.3 -4.9 24 20 26430 65 12 -10.9 -5.1 | 87 23 -23.2 -1.4 Wind Parameters Mean winds (0-6000m): 256.8 at 17.1 knts Storm direction: 286.8 at 12.9 knts Shear (0-3000m) pos: 0.0 neg: 3.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 105.2 deg Storm rel helicity (0-3000m) pos: 25.1 neg: -30.3 tot: -5.2 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -2.2 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 21.88 Bulk Shear: 23.63 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 ------------------------------------------------------------------------------- 500 305 8 83 6| 0.0 10.6 10.6| 18.9 -4.7 14.2 28.4 0.02| 22.3 0.4 1000 318 12 37 7| 0.0 5.7 5.7| 18.9 -7.6 11.3 11.3 -0.04| 17.1 -0.7 1500 304 13 21 4| 0.0 5.2 5.2| 18.9 -14.2 4.7 3.1 -0.21| 15.0 -3.2 2000 288 14 308 1| 0.0 4.6 4.6| 21.5 -18.9 2.6 1.3 -0.21| 12.6 -2.7 2500 276 14 223 3| 0.0 4.0 4.0| 25.1 -19.1 6.0 2.4 -0.18| 10.5 -1.9 3000 267 15 211 5| 0.0 3.4 3.4| 25.1 -30.3 -5.2 -1.7 -0.23| 9.4 -2.2 4000 255 16 202 9| 0.4 2.9 3.3| 41.4 -31.5 9.9 2.5 -0.14| 8.1 -1.2 5000 254 16 202 9| 1.1 2.3 3.4| 46.7 -31.6 15.1 3.0 -0.10| 7.3 -0.7 6000 257 17 210 9| 1.2 2.4 3.6| 58.9 -38.5 20.4 3.4 -0.04| 7.1 -0.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251007.11.gif