UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 26 NOV 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 133 1 925 808 SFC 852 1500 23.0 15.0 61 8.0 17.5 300 5 310.0 312.4 296.4 348.7 12.69 3 850 1541 22.0 13.0 57 9.0 16.0 310 9 309.2 311.3 295.1 343.1 11.14 4 847 1572 21.4 12.4 56 9.0 15.5 310 9 308.9 310.9 294.7 341.5 10.74 5 766 2432 13.2 10.3 83 2.9 11.3 296 11 309.0 311.0 294.4 340.5 10.33 6 700 3185 7.8 3.6 75 4.2 5.4 225 14 311.1 312.5 292.6 333.1 7.10 7 655 3729 3.6 2.5 93 1.1 3.0 211 17 312.4 313.7 292.9 334.2 7.02 8 654 3741 3.4 2.3 92 1.1 2.8 211 17 312.3 313.6 292.7 333.8 6.93 9 622 4146 0.8 -1.8 83 2.6 -0.5 211 15 313.8 314.8 291.9 330.8 5.40 10 611 4290 2.6 -16.4 23 19.0 -4.5 215 12 317.5 317.8 289.8 323.3 1.74 11 565 4921 0.4 -44.6 2 45.0 -8.7 148 5 322.1 322.1 289.5 322.6 0.13 12 557 5035 0.2 -34.8 5 35.0 -8.5 122 5 323.2 323.2 290.1 324.5 0.36 13 500 5890 -6.9 -38.9 6 32.0 -13.4 170 8 324.6 324.7 290.5 325.6 0.26 14 473 6318 -11.3 -41.3 6 30.0 -16.6 174 10 324.4 324.4 290.3 325.2 0.22 15 400 7580 -19.7 -53.7 3 34.0 -23.4 260 18 329.4 329.4 291.6 329.6 0.06 16 397 7636 -20.3 -53.3 4 33.0 -23.8 261 19 329.3 329.3 291.6 329.6 0.07 17 386 7844 -21.3 -42.3 13 21.0 -24.3 266 24 330.7 330.7 292.2 331.6 0.24 18 378 7998 -21.5 -25.8 68 4.3 -22.5 269 27 332.4 332.6 293.5 336.8 1.24 19 361 8336 -24.3 -26.2 84 1.9 -24.8 277 33 333.0 333.3 293.7 337.5 1.25 20 338 8812 -27.9 -30.6 78 2.7 -28.4 289 37 334.5 334.6 293.7 337.7 0.89 21 330 8984 -28.5 -35.5 51 7.0 -29.6 289 39 335.9 336.0 293.9 338.1 0.56 22 316 9293 -31.3 -37.3 55 6.0 -32.1 287 43 336.2 336.3 293.9 338.1 0.49 23 310 9429 -31.9 -46.9 21 15.0 -33.4 286 45 337.2 337.3 293.8 338.0 0.18 24 309 9452 -31.9 -44.9 26 13.0 -33.3 286 45 337.6 337.6 293.9 338.4 0.23 25 300 9660 -33.9 -44.9 32 11.0 -35.0 285 48 337.6 337.6 294.0 338.5 0.23 26 250 10910 -44.9 -49.9 57 5.0 -45.2 285 59 339.3 339.3 294.3 340.0 0.16 27 233 11378 -48.9 -51.6 73 2.7 -49.0 278 69 340.1 340.2 294.5 340.7 0.14 28 229 11492 -49.9 -54.1 61 4.2 -50.1 276 72 340.3 340.3 294.5 340.8 0.11 29 227 11549 -50.2 -56.6 47 6.4 -50.5 275 73 340.6 340.7 294.6 341.0 0.08 30 222 11695 -51.1 -63.1 23 12.0 -51.4 279 68 341.5 341.5 294.7 341.7 0.04 31 204 12242 -53.9 -68.9 14 15.0 -54.2 292 49 345.5 345.5 295.6 345.5 0.02 32 200 12370 -53.1 -71.1 9 18.0 -53.4 295 45 348.7 348.7 296.4 348.7 0.01 33 198 12434 -53.5 -72.5 8 19.0 -53.8 295 45 349.0 349.1 296.4 349.1 0.01 34 178 13115 -54.1 -74.1 7 20.0 -54.4 291 41 358.9 358.9 298.5 358.9 0.01 35 160 13787 -60.3 -77.3 9 17.0 -60.4 287 38 359.5 359.5 298.6 359.5 0.01 36 157 13905 -58.5 -76.5 8 18.0 -58.7 287 37 364.5 364.5 299.6 364.5 0.01 37 153 14066 -58.7 -79.7 5 21.0 -58.9 286 37 366.9 366.9 300.0 366.9 0.00 38 150 14190 -59.5 -79.5 6 20.0 -59.7 285 36 367.6 367.6 300.1 367.6 0.00 39 135 14843 -63.5 -81.5 7 18.0 -63.6 288 29 371.7 371.7 300.9 371.7 0.00 40 128 15169 -63.7 -82.7 6 19.0 -63.8 289 25 377.1 377.1 301.8 377.1 0.00 41 100 16640 -75.5 -86.5 16 11.0 -75.5 295 9 381.9 381.9 302.5 381.9 0.00 42 81 17842 -81.9 -88.9 29 7.0 -81.9 45 5 392.4 392.4 304.2 392.4 0.00 43 81 17842 -81.9 -88.9 29 7.0 -81.9 45 5 392.4 392.4 304.2 392.4 0.00 44 75 18281 -76.1 -85.1 23 9.0 -76.2 85 7 413.3 413.3 306.9 413.4 0.00 45 70 18680 -75.7 -85.7 19 10.0 -75.7 120 8 422.4 422.4 308.0 422.5 0.00 46 69 18764 -75.9 -85.9 19 10.0 -75.9 118 8 423.7 423.7 308.2 423.8 0.00 47 56 19999 -67.7 -84.7 7 17.0 -67.9 90 15 468.5 468.5 312.5 468.5 0.01 48 56 19999 -67.9 -84.9 7 17.0 -68.1 90 15 468.1 468.1 312.5 468.1 0.01 49 53 20329 -70.5 -86.5 8 16.0 -70.6 83 16 469.5 469.5 312.6 469.5 0.00 50 50 20680 -66.1 -85.1 5 19.0 -66.4 75 18 487.7 487.7 314.1 487.8 0.01 51 46 21192 -62.3 -84.3 4 22.0 -62.7 75 17 508.7 508.7 315.5 508.7 0.01 52 40 22056 -62.9 -86.9 3 24.0 -63.4 75 16 527.9 527.9 316.8 527.9 0.01 53 30 23850 -58.7 -87.7 1 29.0 -59.7 75 13 584.6 584.6 319.9 584.7 0.01 54 27 24516 -55.5 -87.5 1 32.0 -57.2 80 15 611.5 611.5 321.1 611.5 0.01 55 20 26430 -55.3 -87.3 1 32.0 -57.5 95 21 666.9 666.9 323.3 667.0 0.01 56 19 26757 -55.3 -87.3 1 32.0 -57.5 676.8 676.8 323.7 676.8 0.01 57 14 28736 -48.5 -82.5 1 34.0 -53.5 761.6 761.6 326.3 761.8 0.03 TRP 81 17842 -81.9 -88.9 29 7.0 -81.9 45 5 392.4 392.4 304.2 392.4 0.00 WND 227 11549 -50.2 -56.6 47 6.4 -50.5 275 73 340.6 340.7 294.6 341.0 0.08 Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 555.39 mb = 5059.56 m = 16599.42 ft Wetbulb zero: 626.95 mb = 4082.38 m = 13393.47 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 50.78 % Est. max temperature: 23.98 C = 75.16 F Sfc-Lift cond lev (LCL): 757.39 mb = 2526.57 m = 8289.18 ft T: 12.52 C 700-500 lapse rate: 5.43 C/km ThetaE index: 15.63 C Layer 850.0- 655.0 mb Conv cond level (CCL): 721.79 mb = 2928.92 m = 9609.20 ft Mean mixing ratio: 10.49 g/kg Conv temperature: 23.38 C = 74.08 F Cap Strength: 1.76 C Lifted Index: -0.47 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.35 C Lifted Index @700 mb: -0.16 C Showalter Index: -1.35 C Risk: Thunderstorms probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 19.90 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 182.00 Risk: None Energy Index: -3.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 313.20 J/kg Max Up Vert Vel: 25.03 m/s Conv Inhibition (B-): 11.31 J/kg Cap Strength: 1.72 C Lift Cond Lev (LCL): 736.13 mb = 2764.51 m = 9069.79 ft Lev Free Conv (LFC): 701.13 mb = 3171.54 m = 10405.20 ft Equ Level (EL): 601.13 mb = 4421.58 m = 14506.34 ft B at Equ Level: 53.17 J/kg Max Parcel Lev (MPL): 181.13 mb = 13003.92 m = 42663.27 ft Wind level data Storm motion: 250 at 7 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 ---------------------------------------------------------- 0 852 1500 300 5 4.3 -2.5 | 27 6 -2.5 -4.9 1 850 1541 310 9 6.9 -5.8 | 360 8 0.1 -8.2 2 793 2134 310 9 6.9 -5.8 | 360 8 0.1 -8.2 3 765 2438 295 11 10.0 -4.6 | 336 8 3.1 -7.1 4 700 3185 225 14 9.9 9.9 | 202 8 3.1 7.5 5 635 3962 205 18 7.6 16.3 | 183 14 0.8 13.9 6 589 4572 225 6 4.2 4.2 | 125 3 -2.6 1.8 7 546 5182 85 5 -5.0 -0.4 | 76 12 -11.8 -2.9 8 500 5890 170 8 -1.4 7.9 | 123 10 -8.2 5.4 9 467 6401 175 11 -1.0 11.0 | 138 12 -7.8 8.5 10 431 7010 155 1 -0.4 0.9 | 78 7 -7.3 -1.5 11 400 7580 260 18 17.7 3.1 | 266 11 10.9 0.7 12 366 8230 275 32 31.9 -2.8 | 282 26 25.0 -5.2 13 336 8839 290 37 34.8 -12.7 | 298 32 27.9 -15.1 14 300 9660 285 48 46.4 -12.4 | 291 42 39.5 -14.9 15 250 10910 285 59 57.0 -15.3 | 289 53 50.2 -17.7 16 227 11549 275 73 72.7 -6.4 | 278 66 65.9 -8.8 17 200 12370 295 45 40.8 -19.0 | 302 40 33.9 -21.5 18 150 14190 285 36 34.8 -9.3 | 293 30 27.9 -11.8 19 100 16640 295 9 8.2 -3.8 | 348 6 1.3 -6.2 20 81 17842 45 5 -3.5 -3.5 | 60 12 -10.4 -6.0 21 70 18680 120 8 -6.9 4.0 | 96 14 -13.8 1.6 22 50 20680 75 18 -17.4 -4.7 | 74 25 -24.2 -7.1 23 30 23850 75 13 -12.6 -3.4 | 73 20 -19.4 -5.8 24 20 26430 95 21 -20.9 1.8 | 89 28 -27.8 -0.6 Wind Parameters Mean winds (0-6000m): 220.3 at 9.7 knts Storm direction: 250.3 at 7.3 knts Shear (0-3000m) pos: 2.3 neg: 3.6 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 122.1 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -51.4 tot: -51.3 m^2/s^2 ave: -17.1 10^-3 m/s^2 rel: -0.69 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 13.77 Bulk Shear: 22.74 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 ------------------------------------------------------------------------------- 500 310 9 360 8| 4.3 0.0 4.3| 0.0 -5.5 -5.5 -11.1 -0.77| 4.4 -3.4 1000 306 9 354 8| 2.1 2.2 4.3| 0.0 -14.4 -14.4 -14.4 -0.87| 4.5 -3.9 1500 290 10 334 7| 1.4 4.4 5.8| 0.0 -29.7 -29.7 -19.8 -0.92| 6.5 -6.0 2000 268 11 295 5| 1.1 4.7 5.8| 0.0 -39.7 -39.7 -19.9 -0.87| 6.6 -5.8 2500 249 13 248 5| 0.9 4.4 5.2| 0.0 -46.9 -46.9 -18.8 -0.83| 6.1 -5.1 3000 241 13 229 5| 2.3 3.6 5.9| 0.1 -51.4 -51.3 -17.1 -0.69| 6.9 -4.8 4000 236 11 209 4| 1.7 2.8 4.5| 12.4 -73.9 -61.5 -15.4 -0.58| 7.5 -4.3 5000 221 10 180 5| 0.9 2.2 3.1| 36.3 -78.2 -41.9 -8.4 -0.39| 7.1 -2.8 6000 220 10 173 5| 1.6 1.2 2.8| 71.1 -96.1 -24.9 -4.2 -0.15| 8.4 -1.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251126.12.gif