UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 18 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 52 -0.7 -8.7 55 8.0 -3.3 110 9 271.2 271.5 269.0 276.6 1.95 1 1000 179 -1.3 -10.3 50 9.0 -4.1 120 17 271.9 272.1 269.1 276.7 1.74 2 970 422 -1.9 -10.9 50 9.0 -4.6 138 22 273.6 273.9 270.2 278.4 1.71 3 945 631 1.0 -11.0 40 12.0 -2.9 153 26 278.6 278.9 273.2 283.6 1.74 4 925 803 0.8 -17.2 25 18.0 -4.2 165 29 280.1 280.3 273.1 283.3 1.07 5 850 1479 -1.5 -20.5 22 19.0 -6.4 155 27 284.6 284.7 275.2 287.2 0.88 6 809 1870 -3.1 -24.1 18 21.0 -8.1 160 28 286.9 287.0 276.2 289.0 0.67 7 716 2825 -7.3 -24.3 24 17.0 -11.2 173 31 292.5 292.6 279.0 294.9 0.75 8 700 3000 -8.7 -25.7 24 17.0 -12.4 175 31 292.9 293.0 279.1 295.0 0.67 9 548 4848 -21.7 -25.0 75 3.3 -22.3 168 25 298.6 298.8 282.0 301.6 0.92 10 527 5135 -22.5 -25.8 74 3.3 -23.1 167 24 301.0 301.2 283.0 303.9 0.89 11 518 5261 -22.3 -25.8 73 3.5 -22.9 166 24 302.8 302.9 283.7 305.7 0.90 12 500 5520 -24.1 -28.2 69 4.1 -24.8 165 23 303.7 303.8 283.8 306.1 0.75 13 416 6836 -34.1 -38.4 65 4.3 -34.5 165 26 307.2 307.3 284.7 308.4 0.33 14 400 7110 -36.3 -40.4 66 4.1 -36.7 165 27 307.8 307.9 284.9 308.8 0.28 15 333 8354 -46.1 -49.8 66 3.7 -46.3 162 32 311.0 311.0 285.8 311.4 0.12 16 300 9040 -51.3 -55.0 65 3.7 -51.4 160 35 313.0 313.1 286.5 313.3 0.07 17 272 9674 -56.1 -59.8 63 3.7 -56.2 157 39 315.0 315.0 287.1 315.1 0.04 18 250 10210 -58.5 -62.5 60 4.0 -58.6 155 42 319.1 319.1 288.5 319.2 0.03 19 241 10441 -59.7 -63.6 60 3.9 -59.7 160 40 320.7 320.7 289.0 320.8 0.03 20 234 10626 -59.9 -63.8 60 3.9 -60.0 163 37 323.1 323.1 289.8 323.2 0.03 21 200 11620 -55.9 -59.9 61 4.0 -56.0 180 21 344.2 344.3 295.4 344.5 0.06 22 166 12804 -53.7 -58.7 54 5.0 -53.9 203 16 366.8 366.8 300.1 367.1 0.08 23 150 13450 -55.1 -61.1 47 6.0 -55.3 215 13 375.1 375.2 301.5 375.5 0.07 24 100 16020 -59.1 -68.1 30 9.0 -59.3 260 21 413.5 413.5 307.0 413.7 0.04 25 95 16341 -59.3 -68.3 30 9.0 -59.5 261 20 419.3 419.3 307.6 419.5 0.04 26 70 18250 -59.5 -69.5 26 10.0 -59.8 270 15 457.1 457.1 311.5 457.4 0.05 27 50 20340 -61.1 -73.1 19 12.0 -61.5 285 17 499.5 499.5 314.9 499.7 0.04 28 36 22372 -62.7 -74.7 18 12.0 -63.1 308 14 544.6 544.6 317.8 544.8 0.04 29 30 23500 -61.3 -74.3 16 13.0 -62.0 320 13 577.5 577.5 319.6 577.9 0.05 30 20 26030 -59.1 -73.1 15 14.0 -60.3 310 17 655.3 655.3 322.9 656.1 0.10 31 16 27428 -59.3 -73.3 15 14.0 -60.7 305 18 697.8 697.9 324.4 698.8 0.12 32 11 29814 -51.9 -67.9 13 16.0 -55.8 297 20 803.6 803.8 327.4 807.4 0.37 33 10 30430 -53.1 -69.1 13 16.0 -56.9 295 21 821.3 821.5 327.8 824.9 0.35 34 9.5 30761 -53.1 -69.1 13 16.0 -57.0 833.5 833.7 328.1 837.3 0.37 TRP 241 10441 -59.7 -63.6 60 3.9 -59.7 160 40 320.7 320.7 289.0 320.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5341.00 m Freezing level: Surface below freezing Freezing level: 953.62 mb = 558.82 m = 1833.36 ft Freezing level: 898.91 mb = 1038.13 m = 3405.90 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 40.99 % Est. max temperature: 11.73 C = 53.11 F Sfc-Lift cond lev (LCL): 896.11 mb = 1056.66 m = 3466.68 ft T: -0.06 C 700-500 lapse rate: 6.11 C/km ThetaE index: 0.33 C Layer 925.0- 850.0 mb Conv cond level (CCL): 591.49 mb = 4271.33 m = 14013.39 ft Mean mixing ratio: 1.62 g/kg Conv temperature: 25.11 C = 77.19 F Cap Strength: 19.31 C Lifted Index: 19.77 C Risk: None Lifted Index @300 mb: 23.39 C Lifted Index @700 mb: 13.90 C Showalter Index: 14.20 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 3.60 C K Index: -14.90 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.23 J/kg Max Up Vert Vel: 9.19 m/s Conv Inhibition (B-): 58046.32 J/kg Cap Strength: 19.52 C Lift Cond Lev (LCL): 808.56 mb = 1874.08 m = 6148.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 195 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 52 110 9 -8.5 3.1 | 40 21 -13.8 -16.2 1 1000 179 120 17 -14.7 8.5 | 62 23 -20.0 -10.7 2 925 803 165 29 -7.5 28.0 | 124 16 -12.8 8.8 3 850 1479 155 27 -11.4 24.5 | 107 18 -16.7 5.2 4 700 3000 175 31 -2.7 30.9 | 145 14 -8.0 11.6 5 500 5520 165 23 -6.0 22.2 | 105 12 -11.3 3.0 6 400 7110 165 27 -7.0 26.1 | 119 14 -12.3 6.8 7 300 9040 160 35 -12.0 32.9 | 128 22 -17.3 13.6 8 250 10210 155 42 -17.7 38.1 | 129 30 -23.1 18.8 9 241 10441 160 40 -13.7 37.6 | 134 26 -19.0 18.3 10 200 11620 180 21 0.0 21.0 | 108 6 -5.3 1.8 11 150 13450 215 13 7.5 10.6 | 346 9 2.1 -8.6 12 100 16020 260 21 20.7 3.6 | 315 22 15.4 -15.6 13 70 18250 270 15 15.0 -0.0 | 333 22 9.7 -19.2 14 50 20340 285 17 16.4 -4.4 | 335 26 11.1 -23.6 15 30 23500 320 13 8.4 -10.0 | 354 29 3.0 -29.2 16 20 26030 310 17 13.0 -10.9 | 346 31 7.7 -30.2 17 10 30430 295 21 19.0 -8.9 | 334 31 13.7 -28.1 Wind Parameters Mean winds (0-6000m): 165.4 at 26.6 knts Storm direction: 195.4 at 20.0 knts Shear (0-3000m) pos: 5.2 neg: 0.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 104.3 deg Storm rel helicity (0-3000m) pos: 188.5 neg: -18.9 tot: 169.6 m^2/s^2 ave: 56.5 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.42 Bulk Shear: 29.70 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 ------------------------------------------------------------------------------- 500 132 19 71 20| 18.3 0.0 18.3|108.3 0.0 108.3 216.5 0.96| 20.8 20.0 1000 151 23 93 17| 12.2 0.0 12.2|147.6 -6.3 141.3 141.3 0.86| 16.0 13.8 1500 154 25 100 16| 8.1 1.0 9.1|148.8 -18.9 129.9 86.6 0.70| 11.8 8.3 2000 155 25 103 16| 6.7 0.7 7.4|162.9 -18.9 144.0 72.0 0.72| 9.8 7.0 2500 158 26 108 16| 5.9 0.6 6.5|176.8 -18.9 157.8 63.1 0.74| 8.6 6.3 3000 161 27 113 15| 5.2 0.5 5.7|188.5 -18.9 169.6 56.5 0.76| 7.7 5.8 4000 164 27 119 15| 3.9 0.8 4.8|188.5 -31.2 157.4 39.3 0.63| 6.2 3.9 5000 165 27 120 14| 3.1 1.0 4.2|188.5 -42.6 145.9 29.2 0.51| 5.4 2.8 6000 165 27 118 14| 2.6 0.9 3.5|191.9 -47.6 144.3 24.1 0.48| 4.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251018.00.gif