UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101723.upa.cvt Date: 2300Z 17 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 17 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 202 1 925 857 SFC 854 1500 15.4 10.5 73 4.9 12.3 60 9 301.9 303.6 291.6 329.6 9.37 3 852 1534 13.6 10.2 80 3.4 11.5 43 9 300.2 301.9 290.9 327.3 9.21 4 850 1567 13.4 10.0 80 3.4 11.3 25 8 300.2 301.8 290.9 327.0 9.11 5 813 1940 10.6 9.5 93 1.1 9.9 329 11 301.1 302.7 291.2 328.3 9.21 6 811 1961 10.8 9.6 92 1.2 10.1 326 11 301.5 303.2 291.4 329.0 9.29 7 791 2170 12.8 9.5 80 3.3 10.7 296 14 305.8 307.5 292.9 334.3 9.47 8 786 2224 14.6 8.6 67 6.0 10.9 291 16 308.3 309.9 293.2 335.5 8.96 9 760 2509 15.8 2.8 42 13.0 8.3 269 23 312.5 313.7 292.2 331.8 6.17 10 752 2599 15.2 1.2 39 14.0 7.4 267 23 312.8 313.9 291.8 330.3 5.55 11 700 3202 11.0 3.0 58 8.0 6.4 255 21 314.7 316.0 293.3 336.0 6.80 12 628 4093 2.8 -0.3 80 3.1 1.1 241 18 315.2 316.4 292.8 334.1 5.97 13 575 4799 -2.9 -8.9 63 6.0 -5.5 223 16 316.6 317.2 291.0 327.6 3.39 14 544 5235 -6.9 -9.7 80 2.8 -8.1 223 15 316.9 317.5 291.1 327.8 3.37 15 518 5616 -8.9 -10.6 87 1.7 -9.6 259 20 318.9 319.6 291.6 329.7 3.29 16 506 5797 -7.9 -14.9 57 7.0 -10.5 276 23 322.3 322.8 291.8 330.3 2.38 17 500 5890 -8.7 -13.5 68 4.8 -10.5 285 24 322.4 323.0 292.1 331.5 2.70 18 482 6173 -10.5 -15.5 67 5.0 -12.3 285 21 323.6 324.1 292.2 331.6 2.37 19 474 6302 -10.1 -41.1 6 31.0 -15.7 285 20 325.7 325.7 290.7 326.5 0.22 20 468 6400 -10.1 -46.1 3 36.0 -16.0 285 19 326.8 326.9 291.0 327.4 0.13 21 460 6533 -10.7 -45.7 4 35.0 -16.4 291 20 327.7 327.7 291.2 328.3 0.14 22 400 7590 -19.7 -42.7 11 23.0 -23.1 300 22 329.4 329.4 291.8 330.2 0.22 23 378 8008 -23.5 -44.5 13 21.0 -26.1 297 25 329.7 329.8 291.9 330.5 0.19 24 345 8670 -29.9 -34.3 65 4.4 -30.6 288 25 329.8 329.9 292.3 332.0 0.61 25 336 8859 -29.9 -32.5 78 2.6 -30.3 285 24 332.3 332.4 293.0 335.0 0.74 26 325 9096 -30.9 -33.5 78 2.6 -31.3 276 32 334.1 334.2 293.5 336.7 0.70 27 300 9660 -35.9 -38.4 78 2.5 -36.2 255 50 334.8 334.9 293.4 336.5 0.46 28 250 10900 -46.1 -49.5 68 3.4 -46.3 270 59 337.5 337.6 293.9 338.2 0.17 29 249 10926 -46.3 -49.7 68 3.4 -46.5 270 59 337.6 337.7 293.9 338.3 0.16 30 238 11223 -48.9 -51.5 74 2.6 -49.0 268 61 338.1 338.1 294.0 338.7 0.14 31 224 11617 -51.7 -52.3 93 0.6 -51.7 265 64 339.7 339.7 294.4 340.3 0.14 32 203 12246 -56.3 -61.3 53 5.0 -56.4 261 69 342.1 342.2 294.9 342.4 0.05 33 200 12340 -56.9 -61.9 53 5.0 -57.0 260 70 342.7 342.7 295.0 342.9 0.05 34 190 12664 -59.2 -65.1 47 5.8 -59.3 255 76 344.0 344.0 295.3 344.1 0.03 35 188 12731 -59.7 -65.7 45 6.0 -59.8 256 75 344.3 344.3 295.4 344.4 0.03 36 154 13985 -58.9 -76.9 8 18.0 -59.1 268 54 365.8 365.8 299.8 365.9 0.01 37 150 14150 -60.3 -78.3 8 18.0 -60.5 270 51 366.2 366.2 299.9 366.2 0.01 38 127 15167 -68.1 -83.1 10 15.0 -68.2 282 40 370.0 370.0 300.5 370.0 0.00 39 113 15867 -68.3 -82.3 12 14.0 -68.4 291 32 382.2 382.2 302.6 382.2 0.00 40 100 16590 -73.7 -83.7 20 10.0 -73.7 300 24 385.3 385.3 303.1 385.3 0.00 41 89 17267 -76.3 -85.3 23 9.0 -76.3 265 19 393.2 393.2 304.3 393.2 0.00 42 84 17601 -75.7 -84.7 23 9.0 -75.7 287 19 401.0 401.0 305.3 401.0 0.00 43 79 17956 -75.3 -84.3 23 9.0 -75.3 310 18 408.9 408.9 306.4 408.9 0.00 44 76 18183 -71.5 -82.5 18 11.0 -71.6 324 18 421.4 421.4 307.9 421.4 0.01 45 70 18670 -70.7 -82.7 15 12.0 -70.8 355 17 433.1 433.1 309.1 433.2 0.01 46 65 19107 -71.3 -85.3 11 14.0 -71.4 31 16 441.1 441.1 310.0 441.1 0.00 47 58 19788 -65.7 -83.7 6 18.0 -66.0 87 15 468.4 468.4 312.5 468.4 0.01 48 50 20690 -64.3 -86.3 3 22.0 -64.6 160 13 492.0 492.0 314.4 492.0 0.00 49 37 22558 -58.5 -86.5 2 28.0 -59.4 125 21 551.1 551.1 318.2 551.1 0.01 50 30 23870 -60.5 -89.5 1 29.0 -61.4 100 26 579.7 579.7 319.6 579.7 0.00 51 20 26430 -52.1 -85.1 1 33.0 -55.0 105 33 676.7 676.7 323.7 676.8 0.01 52 16 27888 -48.1 -82.1 1 34.0 -52.8 734.3 734.4 325.5 734.6 0.03 TRP 89 17267 -76.3 -85.3 23 9.0 -76.3 265 19 393.2 393.2 304.3 393.2 0.00 WND 190 12664 -59.2 -65.1 47 5.8 -59.3 255 76 344.0 344.0 295.3 344.1 0.03 Sounding variables and indices 1000-500 mb thick: 5688.00 m Freezing level: 601.96 mb = 4439.84 m = 14566.22 ft Wetbulb zero: 618.93 mb = 4209.57 m = 13810.74 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 69.29 % Est. max temperature: 27.49 C = 81.48 F Sfc-Lift cond lev (LCL): 793.59 mb = 2142.86 m = 7030.30 ft T: 12.54 C 700-500 lapse rate: 7.33 C/km ThetaE index: 5.25 C Layer 760.0- 700.0 mb Conv cond level (CCL): 647.83 mb = 3837.89 m = 12591.36 ft Mean mixing ratio: 8.57 g/kg Conv temperature: 28.03 C = 82.46 F Cap Strength: 7.46 C Lifted Index: 2.18 C Risk: None Lifted Index @300 mb: 3.92 C Lifted Index @700 mb: 6.41 C Showalter Index: 4.00 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.70 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 160.00 Risk: None Energy Index: 0.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.45 J/kg Max Up Vert Vel: 12.20 m/s Conv Inhibition (B-): 423.94 J/kg Cap Strength: 7.46 C Lift Cond Lev (LCL): 744.80 mb = 2679.82 m = 8791.94 ft Lev Free Conv (LFC): 539.80 mb = 5294.96 m = 17371.72 ft Equ Level (EL): 529.80 mb = 5440.35 m = 17848.70 ft B at Equ Level: 74.15 J/kg Max Parcel Lev (MPL): 469.80 mb = 6370.81 m = 20901.35 ft Wind level data Storm motion: 300 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 ---------------------------------------------------------- 0 854 1500 60 9 -7.8 -4.5 | 97 20 -20.1 2.6 1 850 1567 25 8 -3.4 -7.3 | 89 16 -15.7 -0.2 2 795 2134 300 13 11.3 -6.5 | 119 1 -1.0 0.6 3 766 2438 270 23 23.0 -0.0 | 237 13 10.7 7.1 4 700 3202 255 21 20.3 5.4 | 213 15 8.0 12.5 5 636 3962 245 18 16.3 7.6 | 195 15 4.0 14.7 6 590 4572 225 17 12.0 12.0 | 179 19 -0.3 19.1 7 546 5182 220 15 9.6 11.5 | 172 19 -2.6 18.6 8 500 5890 285 24 23.2 -6.2 | 266 11 10.9 0.9 9 468 6401 285 19 18.4 -4.9 | 251 6 6.1 2.1 10 432 7010 315 23 16.3 -16.3 | 337 10 4.0 -9.2 11 400 7590 300 22 19.1 -11.0 | 300 8 6.8 -3.9 12 366 8230 295 26 23.6 -11.0 | 289 12 11.3 -3.9 13 336 8839 285 24 23.2 -6.2 | 266 11 10.9 0.9 14 300 9660 255 50 48.3 12.9 | 241 41 36.0 20.0 15 250 10900 270 59 59.0 -0.0 | 261 47 46.7 7.1 16 200 12340 260 70 68.9 12.2 | 251 60 56.7 19.2 17 190 12664 255 76 73.4 19.7 | 246 67 61.1 26.7 18 150 14150 270 51 51.0 -0.0 | 260 39 38.7 7.1 19 100 16590 300 24 20.8 -12.0 | 300 10 8.5 -4.9 20 89 17267 265 19 18.9 1.7 | 217 11 6.6 8.7 21 70 18670 355 17 1.5 -16.9 | 48 15 -10.8 -9.9 22 50 20690 160 13 -4.4 12.2 | 139 26 -16.7 19.3 23 30 23870 100 26 -25.6 4.5 | 107 40 -37.9 11.6 24 20 26430 105 33 -31.9 8.5 | 109 47 -44.2 15.6 Wind Parameters Mean winds (0-6000m): 269.9 at 18.9 knts Storm direction: 299.9 at 14.2 knts Shear (0-3000m) pos: 0.0 neg: 4.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 83.7 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -87.7 tot: -86.3 m^2/s^2 ave: -28.8 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 9.0 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.45 Bulk Shear: 51.18 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 ------------------------------------------------------------------------------- 500 350 10 76 11| 0.0 16.5 16.5| 0.0 -26.7 -26.7 -53.3 -0.42| 17.5 -7.3 1000 301 14 103 1| 0.0 16.0 16.0| 1.5 -31.4 -29.9 -29.9 -0.06| 19.0 -1.2 1500 282 16 226 5| 0.0 10.4 10.4| 1.5 -45.1 -43.6 -29.1 -0.15| 14.0 -2.1 2000 272 18 220 8| 0.0 7.4 7.4| 1.5 -57.9 -56.4 -28.2 -0.21| 11.4 -2.4 2500 266 18 214 10| 0.0 5.5 5.5| 1.5 -69.9 -68.4 -27.4 -0.26| 9.8 -2.5 3000 261 18 208 11| 0.0 4.5 4.5| 1.5 -87.7 -86.3 -28.8 -0.31| 9.0 -2.8 4000 252 17 199 13| 1.2 3.1 4.3| 38.8-101.1 -62.3 -15.6 -0.16| 8.3 -1.4 5000 260 18 209 12| 2.1 2.5 4.6| 85.9-105.8 -19.9 -4.0 0.03| 8.8 0.3 6000 270 19 223 10| 2.4 2.5 4.9|103.0-116.3 -13.2 -2.2 0.07| 8.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251017.23.gif