UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 17 OCT 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1020 52 5.8 -8.2 36 14.0 0.8 135 11 277.4 277.7 272.9 283.1 2.02 1 1000 213 3.8 -10.2 35 14.0 -0.9 130 25 277.0 277.2 272.3 281.9 1.76 2 935 751 -0.3 -12.3 40 12.0 -4.0 160 36 278.1 278.4 272.7 282.7 1.59 3 925 837 0.0 -13.0 37 13.0 -4.0 165 38 279.3 279.6 273.3 283.7 1.52 4 907 995 2.0 -14.0 29 16.0 -3.0 170 37 282.9 283.2 275.2 287.1 1.43 5 850 1517 -0.3 -17.3 26 17.0 -5.2 185 33 285.8 286.0 276.3 289.3 1.16 6 743 2588 -3.9 -29.9 11 26.0 -9.4 178 30 293.1 293.2 278.9 294.5 0.43 7 700 3056 -7.3 -32.3 12 25.0 -12.1 175 29 294.4 294.5 279.4 295.6 0.36 8 556 4801 -20.3 -27.3 54 7.0 -21.5 178 30 299.1 299.2 282.0 301.5 0.73 9 500 5580 -23.9 -28.7 65 4.8 -24.7 180 31 303.9 304.0 283.9 306.3 0.72 10 488 5757 -24.5 -29.2 65 4.7 -25.3 181 31 305.3 305.4 284.4 307.6 0.70 11 483 5832 -25.3 -29.7 67 4.4 -26.0 181 31 305.2 305.3 284.4 307.5 0.67 12 400 7170 -36.1 -40.2 66 4.1 -36.4 185 31 308.1 308.1 284.9 309.1 0.29 13 380 7524 -39.5 -43.8 64 4.3 -39.8 185 32 308.1 308.2 284.9 308.9 0.21 14 346 8162 -42.9 -47.2 63 4.3 -43.1 185 34 311.9 311.9 286.2 312.5 0.16 15 300 9110 -50.1 -54.5 60 4.4 -50.3 185 36 314.7 314.8 287.1 315.0 0.08 16 286 9420 -52.7 -57.3 57 4.6 -52.8 186 36 315.3 315.4 287.3 315.6 0.06 17 250 10280 -56.9 -61.4 57 4.5 -57.0 190 35 321.5 321.5 289.2 321.6 0.04 18 209 11398 -62.5 -67.4 52 4.9 -62.6 190 35 329.6 329.6 291.6 329.7 0.02 19 200 11670 -61.7 -66.5 53 4.8 -61.7 190 33 335.1 335.1 293.1 335.2 0.02 20 155 13280 -55.5 -61.5 47 6.0 -55.7 225 24 371.0 371.0 300.8 371.2 0.06 21 150 13490 -56.3 -62.3 47 6.0 -56.5 230 23 373.1 373.1 301.1 373.3 0.06 22 124 14693 -59.9 -67.9 34 8.0 -60.0 242 21 387.4 387.4 303.4 387.6 0.03 23 100 16040 -59.7 -68.7 30 9.0 -59.9 255 19 412.4 412.4 306.8 412.6 0.04 24 83 17200 -59.3 -69.3 26 10.0 -59.6 268 18 435.8 435.8 309.4 436.0 0.04 25 70 18260 -60.3 -71.3 22 11.0 -60.6 280 17 455.4 455.4 311.4 455.6 0.04 26 50 20350 -62.1 -74.1 19 12.0 -62.4 290 15 497.1 497.2 314.8 497.3 0.03 27 35 22549 -63.5 -75.5 18 12.0 -63.9 300 15 546.9 546.9 317.9 547.1 0.04 28 30 23500 -61.5 -74.5 16 13.0 -62.1 305 15 577.0 577.0 319.5 577.4 0.05 29 20 26020 -60.1 -73.1 17 13.0 -61.2 305 15 652.2 652.2 322.8 653.0 0.10 30 18 26677 -60.3 -74.3 14 14.0 -61.5 302 16 671.5 671.6 323.5 672.3 0.09 31 12 29256 -51.3 -67.3 13 16.0 -55.1 290 21 786.0 786.2 327.0 789.6 0.37 32 10 30440 -51.3 -67.3 13 16.0 -55.6 285 23 828.1 828.3 328.0 832.7 0.45 33 6.9 32866 -48.5 -66.5 11 18.0 -55.1 932.4 932.8 330.2 940.8 0.72 TRP 209 11398 -62.5 -67.4 52 4.9 -62.6 190 35 329.6 329.6 291.6 329.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5367.00 m Freezing level: 939.76 mb = 712.04 m = 2336.06 ft Freezing level: 925.00 mb = 837.00 m = 2746.03 ft Freezing level: 857.43 mb = 1448.93 m = 4753.64 ft Wetbulb zero: 1010.47 mb = 128.18 m = 420.52 ft Precipitable water: 0.23 inches Sfc-500 mean rel hum: 32.36 % Est. max temperature: 13.26 C = 55.87 F Sfc-Lift cond lev (LCL): 821.25 mb = 1790.83 m = 5875.34 ft T: -1.22 C 700-500 lapse rate: 6.58 C/km ThetaE index: 1.13 C Layer 1000.0- 935.0 mb Conv cond level (CCL): 587.50 mb = 4383.54 m = 14381.51 ft Mean mixing ratio: 1.69 g/kg Conv temperature: 26.56 C = 79.81 F Cap Strength: 14.90 C Lifted Index: 18.03 C Risk: None Lifted Index @300 mb: 22.83 C Lifted Index @700 mb: 13.48 C Showalter Index: 12.82 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 6.60 C K Index: -18.70 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.45 J/kg Max Up Vert Vel: 3.59 m/s Conv Inhibition (B-): 74227.44 J/kg Cap Strength: 17.52 C Lift Cond Lev (LCL): 788.91 mb = 2110.64 m = 6924.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 205 at 23 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 1020 52 135 11 -7.8 7.8 | 53 22 -17.5 -13.2 1 1000 213 130 25 -19.2 16.1 | 80 29 -28.9 -4.9 2 925 837 165 38 -9.8 36.7 | 129 25 -19.6 15.8 3 850 1517 185 33 2.9 32.9 | 150 14 -6.9 11.9 4 700 3056 175 29 -2.5 28.9 | 123 15 -12.3 8.0 5 500 5580 180 31 0.0 31.0 | 136 14 -9.7 10.1 6 400 7170 185 31 2.7 30.9 | 145 12 -7.0 10.0 7 300 9110 185 36 3.1 35.9 | 156 16 -6.6 14.9 8 250 10280 190 35 6.1 34.5 | 165 14 -3.7 13.5 9 209 11398 190 35 6.1 34.5 | 165 14 -3.7 13.5 10 200 11670 190 33 5.7 32.5 | 161 12 -4.0 11.6 11 150 13490 230 23 17.6 14.8 | 308 10 7.9 -6.1 12 100 16040 255 19 18.4 4.9 | 332 18 8.6 -16.0 13 70 18260 280 17 16.7 -3.0 | 344 25 7.0 -23.9 14 50 20350 290 15 14.1 -5.1 | 350 26 4.4 -26.1 15 30 23500 305 15 12.3 -8.6 | 355 30 2.6 -29.5 16 20 26020 305 15 12.3 -8.6 | 355 30 2.6 -29.5 17 10 30440 285 23 22.2 -6.0 | 335 30 12.5 -26.9 Wind Parameters Mean winds (0-6000m): 174.9 at 30.8 knts Storm direction: 204.9 at 23.1 knts Shear (0-3000m) pos: 4.7 neg: 1.1 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 70.0 deg Storm rel helicity (0-3000m) pos: 274.6 neg: -24.1 tot: 250.4 m^2/s^2 ave: 83.5 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 44.10 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 ------------------------------------------------------------------------------- 500 139 25 85 26| 22.2 0.0 22.2|161.7 0.0 161.7 323.4 0.92| 26.2 24.0 1000 154 31 106 24| 14.6 0.0 14.6|253.5 0.0 253.5 253.5 0.90| 21.2 19.0 1500 163 32 116 21| 9.3 0.0 9.3|274.6 0.0 274.6 183.0 0.83| 17.2 14.2 2000 168 32 122 19| 7.0 0.6 7.6|274.6 -8.2 266.4 133.2 0.75| 13.5 10.1 2500 170 32 125 18| 5.6 0.9 6.5|274.6 -16.2 258.4 103.3 0.68| 11.2 7.6 3000 172 31 125 18| 4.7 1.1 5.8|274.6 -24.1 250.4 83.5 0.62| 9.7 6.0 4000 173 31 125 17| 3.6 0.8 4.5|279.3 -24.1 255.2 63.8 0.63| 7.4 4.7 5000 174 31 126 16| 3.0 0.7 3.7|284.1 -24.1 260.0 52.0 0.63| 6.1 3.9 6000 175 31 128 16| 2.6 0.6 3.2|288.8 -24.1 264.7 44.1 0.64| 5.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251017.12.gif