UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 28 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 1016 48 6.6 1.6 70 5.0 4.4 200 3 278.5 279.2 276.7 290.1 4.22 1 1000 178 6.4 0.4 65 6.0 3.7 230 11 279.5 280.2 276.9 290.5 3.93 2 984 311 8.6 1.6 61 7.0 5.3 237 12 283.1 283.8 279.2 295.3 4.36 3 925 821 6.8 -2.2 53 9.0 2.8 265 15 286.3 286.9 279.7 296.3 3.51 4 903 1019 5.2 -3.8 52 9.0 1.4 265 17 286.6 287.1 279.4 295.8 3.19 5 850 1511 1.4 -5.6 60 7.0 -1.4 265 23 287.6 288.1 279.6 296.2 2.96 6 757 2432 -4.3 -18.3 33 14.0 -8.2 253 27 291.1 291.3 279.0 294.8 1.19 7 735 2664 -5.1 -18.1 35 13.0 -8.8 250 27 292.7 292.9 279.8 296.6 1.25 8 700 3044 -9.3 -18.3 48 9.0 -11.7 245 29 292.2 292.4 279.6 296.2 1.29 9 609 4110 -12.9 -16.9 72 4.0 -14.0 255 31 299.9 300.2 283.5 305.1 1.67 10 587 4389 -15.1 -18.7 74 3.6 -16.0 258 31 300.5 300.8 283.5 305.2 1.49 11 500 5580 -22.9 -26.4 73 3.5 -23.5 270 33 305.1 305.3 284.6 308.0 0.88 12 472 6001 -25.9 -29.4 72 3.5 -26.5 269 34 306.5 306.6 284.9 308.9 0.71 13 428 6704 -31.5 -35.2 70 3.7 -31.9 267 35 308.0 308.1 285.2 309.6 0.45 14 400 7180 -35.5 -39.6 66 4.1 -35.8 265 36 308.9 308.9 285.3 309.9 0.31 15 362 7864 -41.9 -46.1 64 4.2 -42.1 274 45 309.2 309.3 285.2 309.9 0.17 16 312 8847 -51.5 -55.7 61 4.2 -51.6 288 58 309.3 309.3 285.1 309.5 0.06 17 310 8888 -51.9 -56.1 61 4.2 -52.0 289 59 309.3 309.3 285.1 309.5 0.06 18 305 8993 -52.4 -56.6 60 4.2 -52.5 290 60 310.0 310.0 285.4 310.2 0.06 19 300 9100 -52.9 -57.2 59 4.3 -53.0 290 58 310.8 310.8 285.7 311.0 0.06 20 251 10235 -59.1 -63.4 57 4.3 -59.2 266 52 317.8 317.8 288.1 318.0 0.03 21 250 10260 -59.3 -63.6 57 4.3 -59.3 265 52 317.9 317.9 288.1 318.0 0.03 22 224 10945 -61.7 -65.9 57 4.2 -61.7 260 54 324.4 324.4 290.1 324.5 0.02 23 200 11650 -60.1 -64.5 56 4.4 -60.2 280 50 337.6 337.6 293.7 337.7 0.03 24 186 12104 -58.7 -63.5 54 4.8 -58.8 281 49 346.9 346.9 296.0 347.1 0.04 25 152 13367 -59.9 -64.8 53 4.9 -60.0 285 48 365.5 365.5 299.8 365.7 0.04 26 150 13450 -59.7 -64.6 53 4.9 -59.8 285 48 367.2 367.2 300.1 367.4 0.04 27 114 15165 -59.9 -65.9 45 6.0 -60.0 396.8 396.9 304.8 397.1 0.05 28 101 15919 -61.1 -67.1 45 6.0 -61.3 408.5 408.5 306.3 408.7 0.05 TRP 224 10945 -61.7 -65.9 57 4.2 -61.7 260 54 324.4 324.4 290.1 324.5 0.02 WND 305 8993 -52.4 -56.6 60 4.2 -52.5 290 60 310.0 310.0 285.4 310.2 0.06 Sounding variables and indices 1000-500 mb thick: 5402.00 m Freezing level: 827.16 mb = 1737.32 m = 5699.81 ft Wetbulb zero: 876.13 mb = 1264.65 m = 4149.05 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 58.47 % Est. max temperature: 15.46 C = 59.83 F Sfc-Lift cond lev (LCL): 940.95 mb = 679.98 m = 2230.88 ft T: 7.30 C 700-500 lapse rate: 5.36 C/km ThetaE index: 1.40 C Layer 757.0- 735.0 mb Conv cond level (CCL): 777.16 mb = 2223.42 m = 7294.60 ft Mean mixing ratio: 3.94 g/kg Conv temperature: 18.51 C = 65.32 F Cap Strength: 7.88 C Lifted Index: 9.95 C Risk: None Lifted Index @300 mb: 11.59 C Lifted Index @700 mb: 3.40 C Showalter Index: 8.75 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 17.30 C K Index: 9.70 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.03 J/kg Max Up Vert Vel: 7.75 m/s Conv Inhibition (B-): 11929.68 J/kg Cap Strength: 9.94 C Lift Cond Lev (LCL): 860.50 mb = 1411.14 m = 4629.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 at 20 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 1016 48 200 3 1.0 2.8 | 117 20 -17.7 9.0 1 1000 178 230 11 8.4 7.1 | 142 17 -10.3 13.3 2 925 821 265 15 14.9 1.3 | 153 8 -3.8 7.5 3 850 1511 265 23 22.9 2.0 | 207 9 4.2 8.2 4 700 3044 245 29 26.3 12.3 | 202 20 7.6 18.4 5 500 5580 270 33 33.0 -0.0 | 247 16 14.3 6.2 6 400 7180 265 36 35.9 3.1 | 241 20 17.1 9.3 7 305 8993 290 60 56.4 -20.5 | 291 40 37.7 -14.3 8 300 9100 290 58 54.5 -19.8 | 291 38 35.8 -13.7 9 250 10260 265 52 51.8 4.5 | 252 35 33.1 10.7 10 224 10945 260 54 53.2 9.4 | 246 38 34.5 15.6 11 200 11650 280 50 49.2 -8.7 | 275 31 30.5 -2.5 12 150 13450 285 48 46.4 -12.4 | 283 28 27.6 -6.2 Wind Parameters Mean winds (0-6000m): 258.3 at 26.3 knts Storm direction: 288.3 at 19.7 knts Shear (0-3000m) pos: 2.8 neg: 2.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 85.4 deg Storm rel helicity (0-3000m) pos: 65.3 neg: -6.5 tot: 58.9 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.82 Bulk Shear: 36.40 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 ------------------------------------------------------------------------------- 500 238 11 141 15| 11.9 0.0 11.9| 46.7 0.0 46.7 93.5 0.75| 13.9 10.4 1000 253 13 148 12| 8.5 0.0 8.5| 54.1 0.0 54.1 54.1 0.66| 10.3 6.8 1500 258 15 159 10| 5.7 1.9 7.6| 65.2 0.0 65.2 43.5 0.72| 8.8 6.3 2000 259 18 171 10| 4.3 2.0 6.3| 65.3 -0.3 65.1 32.5 0.64| 7.4 4.7 2500 258 19 181 10| 3.4 2.2 5.6| 65.3 -2.2 63.1 25.2 0.55| 6.7 3.7 3000 255 21 187 12| 2.8 2.4 5.2| 65.3 -6.5 58.9 19.6 0.47| 6.2 2.9 4000 254 23 195 13| 2.6 1.8 4.4| 89.9 -6.5 83.4 20.8 0.53| 5.3 2.8 5000 255 25 203 14| 2.5 1.4 4.0|113.9 -6.5 107.4 21.5 0.58| 4.9 2.8 6000 258 26 211 13| 2.3 1.3 3.6|126.3 -8.1 118.3 19.7 0.58| 4.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251028.12.gif