UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 13 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 145 1 925 804 SFC 850 1500 15.4 9.4 67 6.0 11.7 90 8 302.3 303.9 291.2 328.3 8.74 3 819 1821 18.8 5.8 42 13.0 11.0 57 21 309.1 310.4 291.9 330.8 7.08 4 770 2353 15.8 1.8 39 14.0 8.0 14 28 311.4 312.5 291.5 329.0 5.66 5 738 2716 14.0 1.0 41 13.0 6.8 347 24 313.2 314.3 291.9 330.7 5.58 6 700 3164 10.8 -0.2 46 11.0 4.8 310 22 314.4 315.5 292.1 331.5 5.39 7 571 4822 -3.9 -5.0 92 1.1 -4.4 269 34 316.1 316.9 291.9 330.8 4.62 8 570 4836 -3.9 -5.1 91 1.2 -4.5 269 34 316.2 317.1 292.0 330.9 4.59 9 565 4906 -4.1 -9.1 68 5.0 -6.2 267 33 316.8 317.4 291.1 327.8 3.40 10 550 5118 -5.5 -11.5 63 6.0 -7.9 262 31 317.6 318.1 290.9 327.0 2.88 11 500 5860 -11.3 -15.6 70 4.3 -12.8 235 23 319.3 319.7 290.8 326.8 2.27 12 490 6014 -12.7 -15.5 80 2.8 -13.7 242 22 319.4 319.8 290.9 327.2 2.34 13 485 6092 -13.3 -18.0 68 4.7 -14.8 246 21 319.6 320.0 290.6 326.0 1.91 14 477 6218 -12.3 -30.3 21 18.0 -16.4 251 20 322.4 322.5 290.2 324.7 0.64 15 476 6234 -12.3 -31.3 19 19.0 -16.5 252 20 322.5 322.7 290.2 324.7 0.59 16 452 6626 -14.1 -41.1 8 27.0 -18.6 265 19 325.1 325.1 290.6 326.0 0.23 17 419 7195 -17.7 -40.7 12 23.0 -21.4 261 19 327.6 327.7 291.3 328.6 0.26 18 408 7393 -19.1 -21.6 81 2.5 -19.8 246 18 328.3 328.6 292.8 334.1 1.67 19 407 7411 -19.1 -21.6 81 2.5 -19.8 245 18 328.5 328.9 292.9 334.4 1.67 20 400 7540 -19.5 -24.3 66 4.8 -20.7 235 17 329.6 329.9 292.9 334.4 1.34 21 385 7823 -20.3 -44.3 10 24.0 -23.7 225 21 332.2 332.3 292.5 333.0 0.19 22 368 8156 -21.9 -48.9 7 27.0 -25.1 213 27 334.4 334.4 293.0 334.9 0.12 23 364 8236 -21.9 -48.9 7 27.0 -25.2 210 28 335.5 335.5 293.3 335.9 0.12 24 300 9620 -34.9 -52.9 14 18.0 -36.2 195 20 336.2 336.2 293.4 336.6 0.09 25 250 10870 -45.9 -59.9 19 14.0 -46.4 190 21 337.8 337.8 293.9 338.0 0.05 26 217 11792 -53.9 -61.9 37 8.0 -54.1 171 20 339.4 339.4 294.2 339.6 0.04 27 213 11911 -54.7 -62.7 37 8.0 -54.9 168 20 340.0 340.0 294.3 340.1 0.04 28 200 12310 -56.9 -65.9 31 9.0 -57.1 160 20 342.7 342.7 295.0 342.8 0.03 29 178 13040 -60.3 -71.3 22 11.0 -60.4 198 18 348.7 348.7 296.4 348.8 0.01 30 155 13898 -61.7 -76.7 12 15.0 -61.9 244 16 360.4 360.4 298.8 360.4 0.01 31 154 13938 -61.9 -76.9 12 15.0 -62.0 246 16 360.7 360.7 298.8 360.7 0.01 32 150 14100 -63.1 -78.1 11 15.0 -63.2 255 16 361.4 361.4 299.0 361.4 0.01 33 138 14611 -65.7 -80.7 11 15.0 -65.8 263 15 365.5 365.5 299.8 365.5 0.00 34 129 15022 -65.3 -80.3 11 15.0 -65.4 270 14 373.4 373.4 301.1 373.4 0.00 35 111 15924 -72.3 -84.3 15 12.0 -72.3 285 13 376.6 376.6 301.7 376.6 0.00 36 100 16540 -71.5 -81.5 21 10.0 -71.6 245 7 389.6 389.6 303.8 389.6 0.01 37 85 17506 -69.3 -83.3 11 14.0 -69.4 238 8 412.6 412.6 306.8 412.6 0.00 38 77 18093 -71.7 -85.7 11 14.0 -71.8 234 8 419.4 419.4 307.6 419.4 0.00 39 70 18660 -68.9 -84.9 8 16.0 -69.0 230 9 437.0 437.0 309.6 437.0 0.00 40 60 19582 -65.9 -83.9 6 18.0 -66.1 175 8 463.4 463.4 312.1 463.4 0.01 41 54 20215 -67.5 -85.5 6 18.0 -67.7 137 7 473.9 473.9 313.0 473.9 0.00 42 50 20680 -64.3 -84.3 5 20.0 -64.6 110 7 492.0 492.0 314.4 492.0 0.01 43 38 22381 -58.3 -83.3 3 25.0 -59.2 99 14 547.4 547.4 317.9 547.5 0.01 44 30 23870 -57.7 -84.7 2 27.0 -58.9 90 20 587.3 587.3 320.0 587.4 0.01 45 20 26440 -56.1 -86.1 1 30.0 -58.1 90 31 664.5 664.5 323.2 664.5 0.01 46 12 29747 -48.1 -82.1 1 34.0 -53.7 797.3 797.3 327.2 797.7 0.04 TRP 111 15924 -72.3 -84.3 15 12.0 -72.3 285 13 376.6 376.6 301.7 376.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5715.00 m Freezing level: 605.22 mb = 4382.06 m = 14376.65 ft Wetbulb zero: 632.78 mb = 3985.79 m = 13076.57 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 59.61 % Est. max temperature: 27.01 C = 80.62 F Sfc-Lift cond lev (LCL): 776.89 mb = 2276.08 m = 7467.37 ft T: 16.23 C 700-500 lapse rate: 8.20 C/km ThetaE index: 1.80 C Layer 770.0- 738.0 mb Conv cond level (CCL): 609.30 mb = 4293.53 m = 14086.22 ft Mean mixing ratio: 6.67 g/kg Conv temperature: 28.15 C = 82.68 F Cap Strength: 5.06 C Lifted Index: 0.05 C Risk: Showers probable Lifted Index @300 mb: 5.54 C Lifted Index @700 mb: 4.69 C Showalter Index: 0.81 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 20.70 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 151.80 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.36 J/kg Max Up Vert Vel: 8.76 m/s Conv Inhibition (B-): 345.81 J/kg Cap Strength: 5.06 C Lift Cond Lev (LCL): 664.57 mb = 3586.78 m = 11767.50 ft Lev Free Conv (LFC): 499.57 mb = 5866.58 m = 19247.07 ft Equ Level (EL): 479.57 mb = 6177.25 m = 20266.33 ft B at Equ Level: 34.42 J/kg Max Parcel Lev (MPL): 449.57 mb = 6666.86 m = 21872.63 ft Wind level data Storm motion: 316 at 19 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 ---------------------------------------------------------- 0 850 1500 90 8 -8.0 0.0 | 123 25 -21.4 13.7 1 789 2134 25 34 -14.4 -30.8 | 58 33 -27.8 -17.1 2 762 2438 10 25 -4.3 -24.6 | 58 21 -17.7 -11.0 3 700 3164 310 22 16.9 -14.1 | 278 3 3.5 -0.5 4 634 3962 285 34 32.8 -8.8 | 256 20 19.4 4.9 5 587 4572 275 37 36.9 -3.2 | 246 26 23.5 10.4 6 544 5182 260 30 29.5 5.2 | 221 25 16.1 18.9 7 500 5860 235 23 18.8 13.2 | 191 27 5.4 26.9 8 465 6401 260 18 17.7 3.1 | 194 17 4.3 16.8 9 429 7010 275 20 19.9 -1.7 | 209 14 6.5 11.9 10 400 7540 235 17 13.9 9.8 | 181 23 0.5 23.4 11 364 8230 210 28 14.0 24.2 | 181 38 0.6 37.9 12 334 8839 205 21 8.9 19.0 | 172 33 -4.5 32.7 13 300 9620 195 20 5.2 19.3 | 166 34 -8.2 33.0 14 250 10870 190 21 3.6 20.7 | 164 36 -9.7 34.3 15 200 12310 160 20 -6.8 18.8 | 148 38 -20.2 32.5 16 150 14100 255 16 15.5 4.1 | 187 18 2.1 17.8 17 111 15924 285 13 12.6 -3.4 | 175 10 -0.8 10.3 18 100 16540 245 7 6.3 3.0 | 157 18 -7.1 16.6 19 70 18660 230 9 6.9 5.8 | 162 21 -6.5 19.5 20 50 20680 110 7 -6.6 2.4 | 129 26 -20.0 16.1 21 30 23870 90 20 -20.0 0.0 | 112 36 -33.4 13.7 22 20 26440 90 31 -31.0 0.0 | 107 46 -44.4 13.7 Wind Parameters Mean winds (0-6000m): 285.6 at 25.5 knts Storm direction: 315.6 at 19.1 knts Shear (0-3000m) pos: 0.0 neg: 7.6 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 124.6 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -357.1 tot: -355.3 m^2/s^2 ave: -118.4 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 16.1 stream: -10.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 177.61 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 39 18 89 25| 0.0 25.0 25.0| 0.0-199.9-199.9 -399.9 -0.95| 27.3-25.9 1000 27 24 73 25| 0.0 13.0 13.0| 1.7-288.8-287.0 -287.0 -0.74| 24.9-18.4 1500 14 24 64 21| 0.0 9.7 9.7| 1.7-316.7-315.0 -210.0 -0.69| 22.5-15.5 2000 357 24 51 16| 0.0 8.8 8.8| 1.7-323.5-321.8 -160.9 -0.67| 20.0-13.3 2500 338 25 22 11| 0.0 8.6 8.6| 1.7-337.6-335.9 -134.4 -0.62| 18.2-11.3 3000 322 27 337 8| 0.0 7.6 7.6| 1.7-357.1-355.3 -118.4 -0.62| 16.1-10.0 4000 302 28 277 11| 0.0 4.4 4.4| 1.7-478.9-477.1 -119.3 -0.68| 14.5 -9.8 5000 290 27 250 13| 0.8 3.0 3.8| 12.3-525.2-513.0 -102.6 -0.63| 13.3 -8.4 6000 286 26 239 13| 1.0 2.6 3.6| 24.9-564.8-539.8 -90.0 -0.59| 12.5 -7.4 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251013.00.gif