UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 14 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 86 1 925 779 SFC 851 1500 30.6 9.6 27 21.0 16.8 330 12 318.1 319.8 295.8 346.1 8.85 3 850 1531 28.8 8.8 29 20.0 15.9 330 7 316.3 317.9 295.0 342.7 8.39 4 844 1594 30.2 8.2 25 22.0 16.0 329 8 318.4 320.0 295.3 344.1 8.11 5 837 1668 26.8 6.8 28 20.0 14.3 328 9 315.6 317.0 294.0 338.9 7.42 6 788 2195 20.8 5.8 38 15.0 11.6 321 17 314.7 316.1 293.7 337.7 7.36 7 742 2711 15.8 3.8 45 12.0 8.8 301 15 314.7 316.0 293.3 336.0 6.79 8 700 3203 12.6 -4.4 30 17.0 4.0 255 14 316.4 317.2 291.5 329.1 3.94 9 671 3556 9.4 -7.6 29 17.0 1.4 251 14 316.7 317.3 290.9 327.2 3.22 10 631 4062 4.8 -8.2 38 13.0 -1.2 247 14 317.1 317.7 291.0 327.7 3.26 11 617 4245 3.0 -3.0 65 6.0 -0.0 251 14 317.0 318.0 292.5 333.0 4.97 12 568 4909 -2.9 -8.9 63 6.0 -5.5 257 15 317.7 318.4 291.4 328.9 3.43 13 552 5135 -4.1 -14.1 46 10.0 -7.9 256 17 318.9 319.3 290.7 326.6 2.33 14 547 5207 -4.7 -7.1 83 2.4 -5.8 255 17 319.0 319.8 292.3 332.3 4.11 15 540 5309 -4.9 -14.9 45 10.0 -8.7 256 18 319.9 320.4 291.0 327.4 2.23 16 523 5560 -6.7 -18.7 38 12.0 -10.7 258 21 320.7 321.0 290.7 326.4 1.67 17 500 5910 -9.1 -12.9 74 3.8 -10.6 260 25 321.9 322.5 292.1 331.4 2.83 18 494 6003 -8.9 -20.9 37 12.0 -12.6 257 24 323.3 323.6 291.2 328.4 1.46 19 469 6401 -10.9 -46.9 3 36.0 -16.5 245 18 325.7 325.7 290.6 326.1 0.12 20 444 6818 -12.9 -47.9 4 35.0 -18.1 258 18 328.3 328.3 291.3 328.7 0.11 21 400 7600 -19.5 -49.5 5 30.0 -23.1 265 18 329.6 329.7 291.7 330.1 0.10 22 333 8936 -31.1 -49.1 15 18.0 -32.7 261 17 331.5 331.5 292.3 332.0 0.13 23 300 9670 -36.5 -56.5 11 20.0 -37.7 275 24 333.9 333.9 292.9 334.2 0.06 24 293 9832 -37.7 -46.7 38 9.0 -38.4 275 25 334.5 334.5 293.1 335.3 0.20 25 276 10239 -41.1 -58.1 14 17.0 -41.9 275 26 335.3 335.3 293.2 335.6 0.05 26 250 10900 -46.7 -59.7 21 13.0 -47.1 275 28 336.6 336.6 293.5 336.8 0.05 27 244 11061 -48.3 -60.3 24 12.0 -48.7 278 28 336.6 336.6 293.5 336.8 0.05 28 226 11564 -51.9 -61.9 29 10.0 -52.1 286 28 338.5 338.5 294.0 338.7 0.04 29 200 12350 -56.7 -68.7 21 12.0 -56.9 300 27 343.0 343.0 295.0 343.1 0.02 30 186 12804 -60.3 -70.3 26 10.0 -60.4 292 30 344.3 344.3 295.4 344.4 0.02 31 173 13256 -59.3 -71.3 20 12.0 -59.5 285 32 353.2 353.2 297.3 353.3 0.01 32 150 14140 -62.3 -77.3 12 15.0 -62.4 270 37 362.8 362.8 299.2 362.8 0.01 33 149 14181 -62.3 -77.3 12 15.0 -62.4 269 37 363.4 363.4 299.4 363.5 0.01 34 116 15694 -71.5 -83.5 15 12.0 -71.5 248 20 373.4 373.4 301.2 373.4 0.00 35 110 16009 -70.5 -83.5 13 13.0 -70.6 243 16 381.0 381.0 302.4 381.0 0.00 36 100 16570 -73.9 -84.9 17 11.0 -73.9 235 10 384.9 384.9 303.1 385.0 0.00 37 99 16629 -74.5 -85.5 17 11.0 -74.5 245 10 384.9 384.9 303.0 384.9 0.00 38 93 16993 -74.3 -85.3 17 11.0 -74.3 276 10 392.2 392.2 304.1 392.2 0.00 39 86 17456 -69.3 -81.3 16 12.0 -69.4 314 10 411.2 411.2 306.7 411.2 0.01 40 76 18190 -72.1 -84.1 15 12.0 -72.2 15 11 420.1 420.1 307.7 420.2 0.00 41 70 18680 -68.1 -82.1 12 14.0 -68.2 55 11 438.7 438.7 309.7 438.7 0.01 42 69 18766 -67.1 -82.1 10 15.0 -67.2 55 11 442.7 442.7 310.1 442.7 0.01 43 61 19504 -69.3 -85.3 8 16.0 -69.4 59 14 453.6 453.6 311.2 453.7 0.00 44 50 20700 -65.3 -85.3 5 20.0 -65.6 65 18 489.6 489.6 314.2 489.6 0.01 45 46 21209 -62.7 -85.7 3 23.0 -63.1 65 19 507.7 507.7 315.5 507.7 0.01 46 30 23860 -58.7 -89.7 1 31.0 -59.7 65 26 584.6 584.6 319.9 584.6 0.00 47 22 25815 -57.3 -89.3 1 32.0 -58.9 643.0 643.0 322.4 643.1 0.01 TRP 99 16629 -74.5 -85.5 17 11.0 -74.5 245 10 384.9 384.9 303.0 384.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 592.08 mb = 4582.57 m = 15034.50 ft Wetbulb zero: 648.88 mb = 3832.32 m = 12573.07 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 44.52 % Est. max temperature: 28.98 C = 84.16 F Sfc-Lift cond lev (LCL): 626.51 mb = 4120.42 m = 13518.29 ft T: 4.23 C 700-500 lapse rate: 8.02 C/km ThetaE index: 16.98 C Layer 837.0- 631.0 mb Conv cond level (CCL): 609.92 mb = 4337.57 m = 14230.70 ft Mean mixing ratio: 7.37 g/kg Conv temperature: 29.70 C = 85.46 F Cap Strength: 1.60 C Lifted Index: -1.62 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.42 C Lifted Index @700 mb: 1.08 C Showalter Index: -3.41 C Risk: Severe thunderstorms possible Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 37.90 C Cross Totals Index: 17.90 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 280.60 Risk: None Energy Index: -2.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 288.32 J/kg Max Up Vert Vel: 24.01 m/s Conv Inhibition (B-): 70.41 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 625.78 mb = 4129.87 m = 13549.29 ft Lev Free Conv (LFC): 590.78 mb = 4593.35 m = 15069.87 ft Equ Level (EL): 450.78 mb = 6702.84 m = 21990.66 ft B at Equ Level: 80.57 J/kg Max Parcel Lev (MPL): 170.78 mb = 13335.54 m = 43751.25 ft Wind level data Storm motion: 296 at 12 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 330 12 6.0 -10.4 | 45 7 -5.0 -5.0 1 850 1531 330 7 3.5 -6.1 | 85 8 -7.5 -0.7 2 793 2134 320 17 10.9 -13.0 | 0 8 -0.1 -7.7 3 765 2438 325 15 8.6 -12.3 | 19 7 -2.4 -6.9 4 700 3203 255 14 13.5 3.6 | 196 9 2.5 9.0 5 637 3962 245 14 12.7 5.9 | 189 11 1.7 11.3 6 590 4572 260 13 12.8 2.3 | 193 8 1.8 7.6 7 547 5182 255 17 16.4 4.4 | 209 11 5.4 9.8 8 500 5910 260 25 24.6 4.3 | 235 17 13.6 9.7 9 469 6401 245 18 16.3 7.6 | 202 14 5.3 13.0 10 432 7010 265 18 17.9 1.6 | 225 10 6.9 6.9 11 400 7600 265 18 17.9 1.6 | 225 10 6.9 6.9 12 366 8230 260 15 14.8 2.6 | 205 9 3.8 8.0 13 337 8839 260 16 15.8 2.8 | 210 9 4.8 8.1 14 300 9670 275 24 23.9 -2.1 | 256 13 12.9 3.3 15 250 10900 275 28 27.9 -2.4 | 260 17 16.9 2.9 16 200 12350 300 27 23.4 -13.5 | 303 15 12.4 -8.1 17 150 14140 270 37 37.0 -0.0 | 258 27 26.0 5.4 18 100 16570 235 10 8.2 5.7 | 166 11 -2.8 11.1 19 99 16629 245 10 9.1 4.2 | 169 10 -1.9 9.6 20 70 18680 55 11 -9.0 -6.3 | 87 20 -20.0 -0.9 21 50 20700 65 18 -16.3 -7.6 | 85 27 -27.3 -2.2 22 30 23860 65 26 -23.6 -11.0 | 81 35 -34.6 -5.6 Wind Parameters Mean winds (0-6000m): 266.0 at 16.3 knts Storm direction: 296.0 at 12.2 knts Shear (0-3000m) pos: 0.5 neg: 3.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 148.2 deg Storm rel helicity (0-3000m) pos: 11.9 neg: -31.1 tot: -19.3 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 10.88 Bulk Shear: 26.49 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 ------------------------------------------------------------------------------- 500 325 11 53 6| 0.0 3.4 3.4| 6.9 -10.9 -4.0 -8.1 -0.25| 11.0 -2.8 1000 323 13 28 6| 0.0 2.0 2.0| 10.1 -14.7 -4.7 -4.7 -0.20| 8.0 -1.6 1500 314 14 14 4| 0.0 4.3 4.3| 10.1 -22.8 -12.8 -8.5 -0.45| 9.4 -4.3 2000 300 14 330 2| 0.0 4.3 4.3| 10.1 -29.1 -19.0 -9.5 -0.47| 8.5 -4.0 2500 288 14 245 2| 0.0 3.6 3.6| 10.1 -31.1 -21.1 -8.4 -0.47| 7.1 -3.3 3000 281 14 224 4| 0.5 3.0 3.5| 11.9 -31.1 -19.3 -6.4 -0.42| 6.4 -2.7 4000 273 14 217 6| 0.7 2.5 3.2| 27.2 -31.1 -4.0 -1.0 -0.22| 5.8 -1.3 5000 267 16 219 8| 0.8 1.9 2.8| 42.2 -65.3 -23.0 -4.6 -0.25| 6.1 -1.5 6000 266 16 219 8| 1.0 1.6 2.6| 54.2 -65.3 -11.1 -1.8 -0.17| 5.6 -0.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251014.12.gif