UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100723.upa.cvt Date: 2300Z 7 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 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 188 1 925 848 SFC 854 1500 15.8 8.8 63 7.0 11.6 180 4 302.3 303.8 290.9 327.1 8.35 3 850 1563 16.8 7.8 55 9.0 11.4 100 5 303.7 305.2 290.9 327.2 7.83 4 833 1736 18.2 7.2 49 11.0 11.6 154 7 307.0 308.4 291.8 330.3 7.67 5 806 2018 18.0 4.0 39 14.0 9.9 242 11 309.7 310.9 291.5 329.2 6.33 6 700 3205 8.0 2.0 66 6.0 4.6 295 14 311.3 312.5 292.0 331.0 6.33 7 661 3673 3.8 -0.1 76 3.9 1.7 301 13 311.8 312.9 291.6 329.7 5.75 8 643 3897 3.2 -9.8 38 13.0 -2.4 304 13 313.6 314.1 289.6 322.7 2.82 9 595 4517 -2.9 -12.9 46 10.0 -6.7 292 14 313.5 314.0 289.1 321.3 2.38 10 594 4531 -2.9 -12.9 46 10.0 -6.7 292 14 313.7 314.1 289.2 321.4 2.38 11 593 4544 -1.1 -27.1 12 26.0 -8.3 291 14 315.9 316.0 288.2 318.3 0.70 12 592 4557 -0.9 -30.9 8 30.0 -8.5 291 14 316.3 316.4 288.1 318.0 0.49 13 588 4612 -0.9 -38.9 4 38.0 -9.1 290 14 316.9 316.9 288.0 317.7 0.22 14 583 4679 -1.5 -41.5 3 40.0 -9.5 289 13 317.0 317.0 287.9 317.6 0.17 15 500 5880 -10.7 -49.7 2 39.0 -16.2 300 1 320.0 320.0 288.8 320.3 0.08 16 448 6716 -17.7 -51.7 3 34.0 -21.5 242 9 321.4 321.4 289.3 321.7 0.07 17 427 7076 -19.1 -52.1 4 33.0 -22.7 233 12 324.1 324.1 290.0 324.3 0.07 18 400 7560 -23.1 -58.1 3 35.0 -26.1 260 17 325.0 325.0 290.3 325.1 0.04 19 300 9590 -39.5 -61.5 8 22.0 -40.4 265 30 329.7 329.7 291.7 329.8 0.03 20 281 10034 -43.3 -64.3 8 21.0 -44.0 256 32 330.5 330.5 291.9 330.6 0.02 21 250 10810 -48.9 -70.9 6 22.0 -49.3 240 35 333.4 333.4 292.6 333.4 0.01 22 200 12240 -58.9 -75.9 9 17.0 -59.0 240 33 339.5 339.5 294.2 339.5 0.01 23 185 12726 -61.9 -76.9 12 15.0 -62.0 248 35 342.3 342.3 294.8 342.3 0.01 24 179 12930 -61.1 -76.1 12 15.0 -61.2 252 35 346.8 346.8 295.9 346.9 0.01 25 159 13662 -63.5 -77.5 13 14.0 -63.6 265 38 354.7 354.7 297.7 354.8 0.01 26 150 14020 -63.5 -78.5 11 15.0 -63.6 265 40 360.7 360.7 298.8 360.7 0.01 27 143 14313 -64.5 -79.5 11 15.0 -64.6 266 39 363.9 363.9 299.5 363.9 0.01 28 138 14531 -62.5 -79.5 8 17.0 -62.6 267 39 371.2 371.2 300.8 371.2 0.01 29 129 14945 -64.9 -80.9 9 16.0 -65.0 269 38 374.1 374.1 301.3 374.1 0.00 30 122 15286 -64.5 -81.5 8 17.0 -64.6 270 37 380.8 380.8 302.4 380.8 0.00 31 110 15914 -67.5 -83.5 9 16.0 -67.6 273 35 386.6 386.6 303.3 386.6 0.00 32 108 16025 -66.3 -83.3 7 17.0 -66.4 273 35 390.9 390.9 303.9 390.9 0.00 33 102 16370 -67.3 -83.3 9 16.0 -67.4 275 34 395.4 395.5 304.6 395.5 0.00 34 100 16490 -66.9 -82.9 9 16.0 -67.0 275 34 398.5 398.5 305.0 398.5 0.00 35 80 17831 -70.5 -85.5 9 15.0 -70.6 247 29 417.3 417.3 307.4 417.3 0.00 36 70 18630 -68.3 -85.3 7 17.0 -68.4 230 26 438.3 438.3 309.7 438.3 0.00 37 67 18892 -68.1 -85.1 7 17.0 -68.2 227 23 444.2 444.2 310.3 444.2 0.00 38 65 19075 -64.9 -82.9 7 18.0 -65.1 224 21 455.1 455.1 311.3 455.1 0.01 39 57 19870 -67.5 -85.5 6 18.0 -67.7 215 13 466.6 466.6 312.4 466.6 0.00 40 50 20670 -61.1 -82.1 5 21.0 -61.6 205 5 499.5 499.5 314.9 499.6 0.01 41 48 20923 -60.5 -82.5 4 22.0 -61.0 195 6 506.8 506.8 315.4 506.8 0.01 42 43 21604 -62.5 -84.5 4 22.0 -63.0 170 9 518.1 518.1 316.2 518.1 0.01 43 32 23452 -56.3 -84.3 2 28.0 -57.6 100 18 580.3 580.3 319.7 580.4 0.01 44 30 23860 -57.7 -85.7 2 28.0 -58.9 85 20 587.3 587.3 320.0 587.4 0.01 45 26 24762 -58.3 -86.3 2 28.0 -59.6 610.2 610.2 321.0 610.2 0.01 TRP 159 13662 -63.5 -77.5 13 14.0 -63.6 265 38 354.7 354.7 297.7 354.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 617.82 mb = 4222.31 m = 13852.56 ft Wetbulb zero: 653.46 mb = 3766.13 m = 12355.93 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 36.79 % Est. max temperature: 24.40 C = 75.91 F Sfc-Lift cond lev (LCL): 768.95 mb = 2414.22 m = 7920.58 ft T: 14.66 C 700-500 lapse rate: 6.99 C/km ThetaE index: 1.06 C Layer 806.0- 700.0 mb Conv cond level (CCL): 629.31 mb = 4068.86 m = 13349.13 ft Mean mixing ratio: 6.81 g/kg Conv temperature: 26.57 C = 79.82 F Cap Strength: 2.77 C Lifted Index: 0.82 C Risk: Showers probable Lifted Index @300 mb: 1.14 C Lifted Index @700 mb: 2.49 C Showalter Index: 1.88 C Risk: Showers probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 18.50 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 104.60 Risk: None Energy Index: -1.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.11 J/kg Max Up Vert Vel: 8.38 m/s Conv Inhibition (B-): 257.03 J/kg Cap Strength: 2.79 C Lift Cond Lev (LCL): 673.47 mb = 3520.52 m = 11550.12 ft Lev Free Conv (LFC): 468.47 mb = 6376.04 m = 20918.51 ft Equ Level (EL): 438.47 mb = 6877.38 m = 22563.31 ft B at Equ Level: 34.59 J/kg Max Parcel Lev (MPL): 338.47 mb = 8738.57 m = 28669.51 ft Wind level data Storm motion: 312 at 8 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 ---------------------------------------------------------- 0 854 1500 180 4 0.0 4.0 | 147 11 -5.9 9.2 1 850 1563 100 5 -4.9 0.9 | 119 12 -10.8 6.1 2 795 2134 280 12 11.8 -2.1 | 242 7 5.9 3.2 3 766 2438 290 17 16.0 -5.8 | 273 10 10.1 -0.6 4 700 3205 295 14 12.7 -5.9 | 276 7 6.8 -0.7 5 636 3962 305 13 10.6 -7.5 | 295 5 4.8 -2.2 6 589 4572 290 14 13.2 -4.8 | 266 7 7.3 0.5 7 546 5182 285 7 6.8 -1.8 | 194 4 0.9 3.4 8 500 5880 300 1 0.9 -0.5 | 133 7 -5.0 4.7 9 467 6401 255 7 6.8 1.8 | 187 7 0.9 7.1 10 430 7010 230 11 8.4 7.1 | 192 13 2.5 12.3 11 400 7560 260 17 16.7 3.0 | 233 14 10.9 8.2 12 364 8230 265 17 16.9 1.5 | 239 13 11.0 6.7 13 334 8839 265 23 22.9 2.0 | 247 19 17.0 7.3 14 300 9590 265 30 29.9 2.6 | 252 25 24.0 7.9 15 250 10810 240 35 30.3 17.5 | 227 33 24.4 22.7 16 200 12240 240 33 28.6 16.5 | 226 31 22.7 21.7 17 159 13662 265 38 37.9 3.3 | 255 33 32.0 8.6 18 150 14020 265 40 39.8 3.5 | 256 35 34.0 8.7 19 100 16490 275 34 33.9 -3.0 | 265 28 28.0 2.3 20 70 18630 230 26 19.9 16.7 | 213 26 14.0 22.0 21 50 20670 205 5 2.1 4.5 | 159 10 -3.8 9.8 22 30 23860 85 20 -19.9 -1.7 | 98 26 -25.8 3.5 Wind Parameters Mean winds (0-6000m): 281.7 at 10.5 knts Storm direction: 311.7 at 7.9 knts Shear (0-3000m) pos: 2.7 neg: 0.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 121.7 deg Storm rel helicity (0-3000m) pos: 89.9 neg: -19.6 tot: 70.3 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.11 Bulk Shear: 16.65 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 ------------------------------------------------------------------------------- 500 206 7 168 12| 9.2 0.0 9.2| 60.1 -15.5 44.6 89.3 0.51| 24.1 12.3 1000 284 11 240 5| 9.5 0.0 9.5| 86.2 -15.5 70.7 70.7 0.64| 19.1 12.2 1500 288 12 257 6| 5.8 0.0 5.8| 86.8 -15.5 71.3 47.6 0.61| 13.5 8.2 2000 291 13 263 6| 4.1 0.0 4.1| 88.3 -15.5 72.8 36.4 0.60| 10.6 6.4 2500 293 13 269 6| 3.2 0.0 3.2| 89.9 -15.5 74.4 29.7 0.61| 8.7 5.3 3000 294 13 271 6| 2.7 0.5 3.2| 89.9 -19.6 70.3 23.4 0.51| 7.8 4.0 4000 293 12 264 5| 1.5 0.7 2.2| 89.9 -29.6 60.3 15.1 0.27| 7.2 1.9 5000 291 10 247 4| 1.2 0.9 2.1| 98.4 -31.7 66.7 13.3 0.28| 6.8 1.9 6000 282 11 235 5| 1.6 1.2 2.8|127.8 -32.4 95.4 15.9 0.34| 6.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251007.23.gif