UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103123.upa.cvt Date: 2300Z 31 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 31 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 149 1 925 809 SFC 850 1500 15.8 15.8 100 0.0 15.8 10 3 302.7 305.2 294.9 342.4 13.40 3 849 1510 17.2 15.4 89 1.8 16.0 9 3 304.3 306.7 295.1 343.2 13.07 4 841 1593 18.2 13.9 76 4.3 15.3 4 5 306.1 308.4 294.8 342.1 11.96 5 774 2313 16.0 8.0 59 8.0 11.0 318 16 311.1 312.8 293.8 338.0 8.73 6 773 2324 16.0 8.0 59 8.0 11.0 317 16 311.2 312.9 293.9 338.2 8.74 7 700 3172 10.4 5.4 71 5.0 7.4 250 26 314.0 315.5 294.1 339.2 8.06 8 587 4609 -0.7 -4.3 77 3.6 -2.4 245 27 317.3 318.2 292.4 332.5 4.74 9 561 4970 -2.3 -6.9 71 4.6 -4.4 248 28 319.5 320.3 292.4 332.8 4.07 10 540 5273 -2.3 -21.3 22 19.0 -8.6 251 30 323.0 323.3 291.0 327.5 1.29 11 539 5288 -2.3 -21.3 22 19.0 -8.6 251 31 323.2 323.5 291.0 327.7 1.29 12 504 5818 -6.5 -20.5 32 14.0 -11.1 259 40 324.4 324.7 291.6 329.5 1.48 13 501 5864 -6.3 -25.3 21 19.0 -11.8 260 41 325.2 325.4 291.3 328.6 0.98 14 500 5880 -6.3 -20.3 32 14.0 -10.9 260 41 325.4 325.7 291.9 330.7 1.52 15 498 5911 -6.7 -16.7 45 10.0 -10.3 261 41 325.2 325.7 292.3 332.4 2.08 16 493 5990 -6.9 -36.9 7 30.0 -13.3 262 40 325.9 326.0 290.9 327.2 0.33 17 468 6394 -8.5 -44.5 4 36.0 -14.9 270 38 328.8 328.9 291.6 329.4 0.16 18 466 6428 -8.7 -45.7 3 37.0 -15.1 270 38 329.0 329.0 291.6 329.5 0.14 19 400 7590 -17.7 -47.7 5 30.0 -21.8 265 35 332.0 332.0 292.4 332.5 0.13 20 363 8307 -23.9 -49.9 7 26.0 -26.7 257 40 333.0 333.1 292.7 333.5 0.11 21 300 9670 -33.5 -58.5 6 25.0 -35.1 275 49 338.2 338.2 293.9 338.4 0.05 22 294 9812 -34.5 -58.5 7 24.0 -36.0 275 50 338.7 338.7 294.0 338.9 0.05 23 287 9981 -35.7 -45.7 35 10.0 -36.6 275 52 339.3 339.4 294.4 340.2 0.22 24 283 10079 -36.3 -62.3 5 26.0 -37.6 275 53 339.8 339.8 294.3 340.0 0.03 25 264 10559 -40.5 -55.5 18 15.0 -41.3 275 58 340.5 340.5 294.5 340.8 0.08 26 254 10822 -42.5 -45.7 71 3.2 -42.8 275 61 341.3 341.4 294.9 342.3 0.25 27 250 10930 -43.1 -47.3 63 4.2 -43.4 275 62 342.0 342.0 295.0 342.9 0.21 28 242 11147 -45.3 -48.3 72 3.0 -45.5 273 64 341.9 341.9 295.0 342.7 0.20 29 233 11398 -46.5 -66.5 9 20.0 -47.1 270 66 343.8 343.8 295.3 343.9 0.02 30 202 12326 -53.9 -64.9 25 11.0 -54.1 261 73 346.4 346.4 295.8 346.6 0.03 31 200 12390 -53.9 -65.9 22 12.0 -54.2 260 74 347.4 347.4 296.1 347.5 0.03 32 196 12520 -53.9 -64.9 25 11.0 -54.1 260 78 349.4 349.4 296.5 349.6 0.03 33 193 12619 -55.0 -64.2 31 9.2 -55.2 260 81 349.3 349.3 296.5 349.4 0.04 34 191 12686 -55.7 -63.7 36 8.0 -55.9 260 79 349.1 349.1 296.5 349.3 0.04 35 178 13134 -58.1 -73.1 13 15.0 -58.3 263 68 352.3 352.3 297.1 352.4 0.01 36 158 13878 -62.7 -76.7 14 14.0 -62.8 268 48 356.7 356.7 298.1 356.8 0.01 37 153 14078 -61.9 -75.9 14 14.0 -62.0 269 43 361.4 361.4 299.0 361.4 0.01 38 150 14200 -63.1 -75.1 18 12.0 -63.2 270 40 361.4 361.4 299.0 361.4 0.01 39 119 15593 -71.9 -82.9 18 11.0 -71.9 284 39 369.9 369.9 300.5 370.0 0.00 40 102 16495 -74.7 -84.7 20 10.0 -74.7 294 39 381.2 381.2 302.5 381.2 0.00 41 100 16610 -74.3 -84.3 20 10.0 -74.3 295 39 384.2 384.2 302.9 384.2 0.00 42 89 17285 -76.3 -85.3 23 9.0 -76.3 295 29 393.2 393.2 304.3 393.2 0.00 43 89 17285 -76.1 -85.1 23 9.0 -76.2 295 29 393.6 393.6 304.3 393.6 0.00 44 82 17761 -72.9 -83.9 17 11.0 -72.9 324 20 409.5 409.5 306.5 409.5 0.00 45 70 18680 -76.5 -86.5 19 10.0 -76.6 20 4 420.7 420.7 307.8 420.7 0.00 46 68 18847 -76.9 -87.9 16 11.0 -76.9 30 4 423.4 423.4 308.1 423.4 0.00 47 64 19201 -70.1 -86.1 8 16.0 -70.2 51 3 445.7 445.7 310.4 445.7 0.00 48 50 20690 -63.9 -85.9 3 22.0 -64.3 135 2 492.9 492.9 314.4 492.9 0.00 49 41 21907 -62.7 -87.7 2 25.0 -63.2 112 6 524.7 524.7 316.6 524.7 0.00 50 36 22720 -56.3 -87.3 1 31.0 -57.5 96 8 561.1 561.1 318.7 561.2 0.01 51 31 23664 -58.3 -89.3 1 31.0 -59.4 79 11 580.2 580.2 319.7 580.3 0.00 52 30 23870 -58.1 -89.1 1 31.0 -59.2 75 12 586.2 586.3 320.0 586.3 0.00 53 26 24780 -54.1 -87.1 1 33.0 -56.1 622.1 622.1 321.6 622.2 0.01 54 22 25849 -55.1 -87.1 1 32.0 -57.1 649.6 649.6 322.7 649.6 0.01 TRP 89 17285 -76.3 -85.3 23 9.0 -76.3 295 29 393.2 393.2 304.3 393.2 0.00 WND 193 12619 -55.0 -64.2 31 9.2 -55.2 260 81 349.3 349.3 296.5 349.4 0.04 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 594.13 mb = 4518.24 m = 14823.45 ft Wetbulb zero: 615.02 mb = 4228.25 m = 13872.04 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 62.52 % Est. max temperature: 26.59 C = 79.86 F Sfc-Lift cond lev (LCL): 850.16 mb = 1498.43 m = 4916.06 ft T: -9999.00 C 700-500 lapse rate: 6.17 C/km ThetaE index: 5.21 C Layer 841.0- 773.0 mb Conv cond level (CCL): 674.95 mb = 3469.41 m = 11382.45 ft Mean mixing ratio: 10.11 g/kg Conv temperature: 27.28 C = 81.10 F Cap Strength: 3.46 C Lifted Index: 0.54 C Risk: Showers probable Lifted Index @300 mb: 0.64 C Lifted Index @700 mb: 2.76 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.10 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 236.60 Risk: None Energy Index: -2.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.33 J/kg Max Up Vert Vel: 11.34 m/s Conv Inhibition (B-): 133.46 J/kg Cap Strength: 3.46 C Lift Cond Lev (LCL): 729.35 mb = 2820.92 m = 9254.89 ft Lev Free Conv (LFC): 614.35 mb = 4237.17 m = 13901.31 ft Equ Level (EL): 544.35 mb = 5209.57 m = 17091.55 ft B at Equ Level: 39.52 J/kg Max Parcel Lev (MPL): 454.35 mb = 6620.29 m = 21719.85 ft Wind level data Storm motion: 290 at 21 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 10 3 -0.5 -3.0 | 102 20 -19.8 4.2 1 850 1524 10 3 -0.5 -3.0 | 102 20 -19.8 4.2 2 791 2134 330 16 8.0 -13.9 | 59 13 -11.3 -6.7 3 763 2438 310 16 12.3 -10.3 | 66 8 -7.0 -3.1 4 700 3172 250 26 24.4 8.9 | 198 17 5.2 16.1 5 635 3962 230 22 16.9 14.1 | 174 21 -2.4 21.3 6 588 4572 245 27 24.5 11.4 | 196 19 5.2 18.6 7 545 5182 250 29 27.3 9.9 | 205 19 8.0 17.1 8 500 5880 260 41 40.4 7.1 | 236 26 21.1 14.3 9 467 6401 270 38 38.0 -0.0 | 249 20 18.7 7.2 10 431 7010 265 36 35.9 3.1 | 238 20 16.6 10.3 11 400 7590 265 35 34.9 3.1 | 237 19 15.6 10.2 12 366 8230 255 40 38.6 10.4 | 228 26 19.4 17.5 13 337 8839 270 38 38.0 -0.0 | 249 20 18.7 7.2 14 300 9670 275 49 48.8 -4.3 | 264 30 29.6 2.9 15 250 10930 275 62 61.8 -5.4 | 268 43 42.5 1.8 16 200 12390 260 74 72.9 12.8 | 250 57 53.6 20.0 17 193 12619 260 81 79.8 14.1 | 251 64 60.5 21.3 18 150 14200 270 40 40.0 -0.0 | 251 22 20.7 7.2 19 100 16610 295 39 35.3 -16.5 | 300 19 16.1 -9.3 20 89 17285 295 29 26.3 -12.3 | 306 9 7.0 -5.1 21 70 18680 20 4 -1.4 -3.8 | 99 21 -20.6 3.4 22 50 20690 135 2 -1.4 1.4 | 113 22 -20.7 8.6 23 30 23870 75 12 -11.6 -3.1 | 98 31 -30.9 4.1 Wind Parameters Mean winds (0-6000m): 260.5 at 27.4 knts Storm direction: 290.5 at 20.6 knts Shear (0-3000m) pos: 1.1 neg: 4.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 39.9 neg: -102.1 tot: -62.2 m^2/s^2 ave: -20.7 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 101.86 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 ------------------------------------------------------------------------------- 500 344 8 88 17| 0.0 11.0 11.0| 0.0 -47.8 -47.8 -95.6 -0.89| 11.5-10.2 1000 327 12 78 13| 0.0 8.1 8.1| 2.4 -58.0 -55.6 -55.6 -0.54| 11.2 -6.0 1500 306 15 79 7| 0.0 8.5 8.5| 5.3 -58.5 -53.2 -35.5 -0.15| 13.2 -2.0 2000 282 17 147 4| 0.0 6.8 6.8| 5.3 -80.2 -74.9 -37.5 -0.22| 12.6 -2.8 2500 269 19 175 8| 0.0 5.1 5.1| 5.3-102.1 -96.8 -38.7 -0.28| 11.0 -3.1 3000 261 20 181 10| 1.1 4.2 5.4| 39.9-102.1 -62.2 -20.7 -0.14| 10.3 -1.5 4000 256 22 190 13| 2.1 3.2 5.3| 89.6-102.1 -12.5 -3.1 0.01| 9.1 0.1 5000 259 26 205 14| 2.5 2.5 5.1|159.7-105.4 54.4 10.9 0.14| 8.8 1.2 6000 260 27 214 14| 2.1 2.1 4.2|159.7-123.7 36.0 6.0 0.09| 7.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251130.23.gif