UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110711.upa.cvt Date: 1100Z 7 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 7 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 152 1 925 822 SFC 853 1500 20.4 13.4 64 7.0 15.7 60 4 307.2 309.3 294.7 341.6 11.40 3 793 2127 11.6 11.2 97 0.4 11.3 50 10 304.3 306.2 293.3 335.9 10.60 4 762 2464 10.2 10.2 100 0.0 10.2 359 14 306.3 308.2 293.6 337.3 10.31 5 700 3174 6.6 6.6 100 0.0 6.6 330 12 309.8 311.4 293.5 336.7 8.77 6 561 4960 -2.9 -2.9 100 0.0 -2.9 47 5 318.8 319.9 293.4 336.5 5.52 7 512 5676 -8.7 -8.7 100 0.0 -8.7 180 5 320.3 321.0 292.5 332.9 3.87 8 502 5829 -9.1 -9.1 100 0.0 -9.1 213 6 321.6 322.3 292.9 334.2 3.83 9 501 5844 -7.5 -7.5 100 0.0 -7.5 217 6 323.7 324.6 293.9 338.1 4.35 10 500 5860 -8.3 -8.3 100 0.0 -8.3 220 6 322.9 323.7 293.4 336.4 4.09 11 499 5876 -4.3 -4.8 96 0.5 -4.6 221 6 328.0 329.1 295.7 345.9 5.38 12 456 6573 -11.5 -11.5 100 0.0 -11.5 240 7 327.5 328.2 294.1 339.3 3.48 13 454 6607 -10.9 -10.9 100 0.0 -10.9 240 8 328.7 329.4 294.6 341.1 3.67 14 447 6725 -13.7 -13.7 100 0.0 -13.7 240 10 326.6 327.2 293.5 336.7 2.97 15 445 6759 -16.1 -16.1 100 0.0 -16.1 240 10 324.0 324.5 292.3 332.3 2.45 16 440 6844 -17.5 -17.5 100 0.0 -17.5 240 11 323.3 323.7 291.9 330.8 2.20 17 404 7477 -20.7 -20.7 100 0.0 -20.7 257 30 327.2 327.5 292.6 333.5 1.82 18 400 7550 -21.3 -21.3 100 0.0 -21.3 260 33 327.3 327.7 292.6 333.4 1.75 19 395 7642 -23.5 -23.5 100 0.0 -23.5 260 34 325.6 325.9 291.9 330.7 1.46 20 350 8514 -29.5 -29.5 100 0.0 -29.5 260 44 329.0 329.2 292.4 332.4 0.95 21 338 8763 -29.5 -29.5 100 0.0 -29.5 260 48 332.3 332.5 293.3 335.8 0.98 22 300 9600 -36.5 -36.5 100 0.0 -36.5 270 50 333.9 334.0 293.3 336.0 0.56 23 273 10248 -42.5 -42.5 100 0.0 -42.5 270 59 334.4 334.4 293.2 335.6 0.33 24 250 10840 -46.5 -46.5 100 0.0 -46.5 270 67 336.9 337.0 293.8 337.9 0.23 25 206 12101 -54.5 -54.5 100 0.0 -54.5 261 98 343.5 343.6 295.3 344.0 0.11 26 200 12290 -55.9 -55.9 100 0.0 -55.9 260 103 344.2 344.3 295.4 344.7 0.10 27 184 12816 -60.3 -60.3 100 0.0 -60.3 260 113 345.5 345.5 295.7 345.7 0.06 28 171 13269 -64.1 -64.1 100 0.0 -64.1 255 100 346.4 346.4 295.8 346.6 0.04 29 158 13757 -60.3 -60.3 100 0.0 -60.3 249 85 360.8 360.8 298.9 361.1 0.07 30 150 14080 -62.3 -62.3 100 0.0 -62.3 245 76 362.8 362.8 299.3 363.0 0.06 31 145 14289 -63.7 -63.7 100 0.0 -63.7 248 73 363.9 363.9 299.5 364.1 0.05 32 125 15192 -66.9 -66.9 100 0.0 -66.9 258 60 373.8 373.8 301.2 374.0 0.04 33 113 15802 -66.9 -66.9 100 0.0 -66.9 266 51 384.8 384.8 303.1 385.0 0.04 34 101 16471 -72.1 -72.1 100 0.0 -72.1 274 41 387.3 387.3 303.4 387.4 0.02 35 100 16530 -71.9 -71.9 100 0.0 -71.9 275 40 388.8 388.8 303.6 388.9 0.02 36 91 17087 -71.3 -71.3 100 0.0 -71.3 256 36 400.6 400.6 305.3 400.8 0.03 37 84 17557 -74.3 -74.3 100 0.0 -74.3 240 33 403.8 403.8 305.7 403.9 0.02 38 78 17992 -71.5 -71.5 100 0.0 -71.5 242 25 418.3 418.3 307.5 418.4 0.03 39 70 18630 -72.5 -72.5 100 0.0 -72.5 245 14 429.3 429.3 308.8 429.4 0.03 40 68 18800 -72.5 -72.5 100 0.0 -72.5 233 14 432.9 432.9 309.1 433.0 0.03 41 60 19543 -68.5 -68.5 100 0.0 -68.5 183 15 457.6 457.6 311.6 457.9 0.06 42 56 19962 -62.3 -62.3 100 0.0 -62.3 155 16 480.8 480.9 313.6 481.8 0.16 43 50 20660 -63.5 -63.5 100 0.0 -63.5 110 17 493.8 493.9 314.6 494.8 0.15 44 36 22702 -58.3 -58.3 100 0.0 -58.3 55 16 555.9 556.1 318.6 558.7 0.41 45 30 23850 -57.9 -57.9 100 0.0 -57.9 25 16 586.8 587.0 320.2 590.5 0.51 46 20 26430 -55.1 -55.1 100 0.0 -55.1 70 13 667.5 668.0 323.6 676.3 1.08 47 15 28280 -52.1 -52.1 100 0.0 -52.1 734.7 735.7 326.0 753.2 2.07 TRP 84 17557 -74.3 -74.3 100 0.0 -74.3 240 33 403.8 403.8 305.7 403.9 0.02 WND 184 12816 -60.3 -60.3 100 0.0 -60.3 260 113 345.5 345.5 295.7 345.7 0.06 Sounding variables and indices 1000-500 mb thick: 5708.00 m Freezing level: 603.43 mb = 4414.47 m = 14483.01 ft Wetbulb zero: 603.61 mb = 4369.00 m = 14333.82 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 97.27 % Est. max temperature: 22.70 C = 72.86 F Sfc-Lift cond lev (LCL): 769.05 mb = 2386.38 m = 7829.23 ft T: 10.52 C 700-500 lapse rate: 5.55 C/km ThetaE index: 5.70 C Layer 793.0- 762.0 mb Conv cond level (CCL): 785.73 mb = 2205.12 m = 7234.54 ft Mean mixing ratio: 10.75 g/kg Conv temperature: 18.04 C = 64.47 F Cap Strength: 0.04 C Lifted Index: -0.64 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.19 C Lifted Index @700 mb: -0.39 C Showalter Index: -2.05 C Risk: Severe thunderstorms possible Total Totals Index: 49.87 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.27 C Cross Totals Index: 21.59 C K Index: 41.57 Risk: > 80 % chance of thunderstorms Sweat Index: 191.48 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 438.97 J/kg Max Up Vert Vel: 29.63 m/s Conv Inhibition (B-): 1.91 J/kg Cap Strength: 1.48 C Lift Cond Lev (LCL): 775.64 mb = 2314.35 m = 7592.93 ft Lev Free Conv (LFC): 770.64 mb = 2368.97 m = 7772.12 ft Equ Level (EL): 500.64 mb = 5850.10 m = 19193.02 ft B at Equ Level: 88.19 J/kg Max Parcel Lev (MPL): 170.64 mb = 13281.76 m = 43574.81 ft Wind level data Storm motion: 349 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 ---------------------------------------------------------- 0 853 1500 60 4 -3.5 -2.0 | 137 7 -5.0 5.4 1 850 1549 110 14 -13.2 4.8 | 130 19 -14.7 12.2 2 793 2134 50 10 -7.7 -6.4 | 96 9 -9.2 1.0 3 764 2438 360 14 -0.0 -14.0 | 13 7 -1.5 -6.6 4 700 3174 330 12 6.0 -10.4 | 304 5 4.5 -3.0 5 634 3962 355 10 0.9 -10.0 | 14 3 -0.6 -2.6 6 588 4572 5 7 -0.6 -7.0 | 102 2 -2.1 0.4 7 544 5182 75 3 -2.9 -0.8 | 146 8 -4.4 6.6 8 500 5860 220 6 3.9 4.6 | 191 12 2.4 12.0 9 466 6401 240 5 4.3 2.5 | 196 10 2.8 9.9 10 430 7010 240 14 12.1 7.0 | 216 18 10.6 14.4 11 400 7550 260 33 32.5 5.7 | 247 34 31.0 13.1 12 364 8230 260 39 38.4 6.8 | 249 40 36.9 14.2 13 334 8839 260 50 49.2 8.7 | 251 50 47.7 16.1 14 300 9600 270 50 50.0 -0.0 | 261 49 48.5 7.4 15 250 10840 270 67 67.0 -0.0 | 264 66 65.5 7.4 16 200 12290 260 103 101.4 17.9 | 256 103 99.9 25.3 17 184 12816 260 113 111.3 19.6 | 256 113 109.8 27.0 18 150 14080 245 76 68.9 32.1 | 240 78 67.4 39.5 19 100 16530 275 40 39.8 -3.5 | 264 39 38.3 3.9 20 84 17557 240 33 28.6 16.5 | 229 36 27.1 23.9 21 70 18630 245 14 12.7 5.9 | 220 17 11.2 13.3 22 50 20660 110 17 -16.0 5.8 | 127 22 -17.5 13.2 23 30 23850 25 16 -6.8 -14.5 | 49 11 -8.3 -7.1 24 20 26430 70 13 -12.2 -4.4 | 102 14 -13.7 3.0 Wind Parameters Mean winds (0-6000m): 318.6 at 10.1 knts Storm direction: 348.6 at 7.6 knts Shear (0-3000m) pos: 2.0 neg: 2.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): -45.4 deg Storm rel helicity (0-3000m) pos: 5.4 neg: -66.4 tot: -61.1 m^2/s^2 ave: -20.4 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 8.4 stream: -3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.98 Bulk Shear: 55.02 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 90 12 119 16| 7.1 0.0 7.1| 0.0 -31.9 -31.9 -63.8 -0.42| 21.0 -8.9 1000 60 12 96 12| 3.6 7.1 10.6| 0.0 -57.4 -57.4 -57.4 -0.61| 17.9-11.0 1500 30 12 67 8| 2.4 5.5 7.9| 0.0 -64.4 -64.4 -42.9 -0.66| 13.6 -8.9 2000 13 12 43 6| 2.0 4.1 6.1| 1.8 -66.4 -64.7 -32.3 -0.60| 11.1 -6.7 2500 6 12 33 5| 2.2 3.3 5.5| 4.0 -66.4 -62.4 -25.0 -0.50| 9.5 -4.8 3000 5 11 33 5| 2.0 2.8 4.8| 5.4 -66.4 -61.1 -20.4 -0.42| 8.4 -3.5 4000 9 10 54 4| 2.4 2.1 4.4| 18.5 -66.4 -48.0 -12.0 -0.22| 7.9 -1.8 5000 0 9 49 2| 1.4 1.7 3.0| 46.8 -66.4 -19.7 -3.9 -0.07| 7.4 -0.5 6000 319 10 272 5| 1.5 1.8 3.3|141.5 -66.4 75.1 12.5 0.11| 8.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251107.11.gif