UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 31 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 99 110 1 SFC 999 107 1.6 1.0 96 0.6 1.4 110 1 274.8 275.5 274.5 286.0 4.11 2 996 131 4.2 3.4 95 0.8 3.8 111 1 277.7 278.5 277.2 291.0 4.90 3 927 713 1.4 -2.4 76 3.8 -0.2 129 9 280.6 281.2 276.8 290.2 3.45 4 925 730 1.2 -2.7 75 3.9 -0.4 130 9 280.5 281.1 276.7 290.0 3.38 5 918 791 0.8 -3.2 75 4.0 -0.8 131 9 280.7 281.3 276.6 290.0 3.28 6 850 1404 -4.3 -6.4 85 2.1 -5.1 145 13 281.6 282.1 276.4 289.5 2.78 7 835 1544 -5.5 -7.3 87 1.8 -6.1 149 12 281.8 282.3 276.3 289.3 2.64 8 832 1572 -5.1 -6.9 87 1.8 -5.7 150 12 282.5 283.0 276.8 290.3 2.74 9 785 2029 -5.1 -9.0 74 3.9 -6.5 163 9 287.3 287.7 278.9 294.5 2.46 10 700 2920 -10.5 -20.5 44 10.0 -12.9 190 3 290.9 291.0 278.7 294.2 1.07 11 606 4016 -16.7 -34.7 19 18.0 -19.4 250 7 295.9 296.0 280.0 297.1 0.33 12 566 4526 -19.1 -41.1 12 22.0 -21.7 278 9 299.0 299.0 281.1 299.6 0.19 13 542 4847 -20.1 -39.1 17 19.0 -22.5 296 11 301.5 301.5 282.3 302.3 0.24 14 500 5440 -24.3 -40.3 21 16.0 -26.1 330 13 303.4 303.5 283.1 304.2 0.23 15 400 7020 -38.1 -43.1 59 5.0 -38.4 295 27 305.5 305.5 283.9 306.2 0.21 16 395 7106 -38.9 -43.9 59 5.0 -39.2 295 28 305.5 305.6 283.9 306.2 0.20 17 383 7317 -40.1 -44.7 61 4.6 -40.4 295 29 306.7 306.7 284.3 307.3 0.19 18 374 7479 -41.1 -45.8 60 4.7 -41.3 295 30 307.4 307.5 284.6 308.0 0.17 19 354 7852 -41.7 -46.5 60 4.8 -42.0 295 33 311.5 311.5 286.1 312.1 0.17 20 300 8950 -50.9 -56.9 49 6.0 -51.1 295 40 313.6 313.6 286.7 313.8 0.06 21 279 9417 -54.9 -59.9 54 5.0 -55.0 291 44 314.4 314.4 286.9 314.6 0.04 22 250 10110 -59.3 -64.3 52 5.0 -59.4 285 50 317.9 317.9 288.1 318.0 0.03 23 225 10763 -63.7 -69.7 44 6.0 -63.7 285 50 320.9 320.9 289.0 320.9 0.01 24 215 11043 -62.3 -68.3 44 6.0 -62.4 283 45 327.3 327.3 291.0 327.3 0.02 25 208 11247 -62.9 -68.9 44 6.0 -63.0 282 41 329.4 329.4 291.6 329.5 0.02 26 200 11490 -59.5 -64.5 52 5.0 -59.6 280 36 338.5 338.5 294.0 338.7 0.03 27 195 11649 -57.5 -63.5 46 6.0 -57.6 280 36 344.2 344.2 295.4 344.4 0.04 28 150 13310 -56.1 -63.1 41 7.0 -56.3 280 33 373.4 373.4 301.2 373.7 0.05 29 115 14998 -56.3 -65.3 31 9.0 -56.6 280 25 402.5 402.5 305.6 402.8 0.05 30 100 15880 -58.9 -68.9 26 10.0 -59.2 280 21 413.9 413.9 307.0 414.1 0.04 31 70 18100 -60.7 -73.7 16 13.0 -61.0 265 35 454.5 454.5 311.3 454.7 0.03 32 50 20160 -64.7 -78.7 13 14.0 -65.0 270 35 491.0 491.0 314.3 491.1 0.02 33 43 21077 -66.3 -80.3 12 14.0 -66.5 508.7 508.7 315.5 508.8 0.01 TRP 225 10763 -63.7 -69.7 44 6.0 -63.7 285 50 320.9 320.9 289.0 320.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5341.00 m Freezing level: 907.33 mb = 887.25 m = 2910.89 ft Wetbulb zero: 929.70 mb = 689.05 m = 2260.64 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 49.65 % Est. max temperature: 8.42 C = 47.16 F Sfc-Lift cond lev (LCL): 989.68 mb = 182.98 m = 600.31 ft T: 3.95 C 700-500 lapse rate: 5.48 C/km ThetaE index: 1.69 C Layer 927.0- 832.0 mb Conv cond level (CCL): 889.84 mb = 1039.19 m = 3409.38 ft Mean mixing ratio: 3.92 g/kg Conv temperature: 7.89 C = 46.19 F Cap Strength: 10.76 C Lifted Index: 11.66 C Risk: None Lifted Index @300 mb: 16.52 C Lifted Index @700 mb: 4.83 C Showalter Index: 12.24 C Risk: None Total Totals Index: 37.90 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 17.90 C K Index: 3.60 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.36 J/kg Max Up Vert Vel: 4.77 m/s Conv Inhibition (B-): 29153.15 J/kg Cap Strength: 11.58 C Lift Cond Lev (LCL): 911.49 mb = 847.77 m = 2781.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 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 ---------------------------------------------------------- 0 999 107 110 1 -0.9 0.3 | 142 8 -4.7 5.9 1 925 730 130 9 -6.9 5.8 | 137 16 -10.6 11.4 2 850 1404 145 13 -7.5 10.6 | 145 20 -11.2 16.2 3 700 2920 190 3 0.5 3.0 | 159 9 -3.2 8.5 4 500 5440 330 13 6.5 -11.3 | 334 6 2.8 -5.7 5 400 7020 295 27 24.5 -11.4 | 286 22 20.8 -5.8 6 300 8950 295 40 36.3 -16.9 | 289 34 32.5 -11.3 7 250 10110 285 50 48.3 -12.9 | 279 45 44.6 -7.4 8 225 10763 285 50 48.3 -12.9 | 279 45 44.6 -7.4 9 200 11490 280 36 35.5 -6.3 | 271 32 31.7 -0.7 10 150 13310 280 33 32.5 -5.7 | 270 29 28.8 -0.2 11 100 15880 280 21 20.7 -3.6 | 264 17 17.0 1.9 12 70 18100 265 35 34.9 3.1 | 255 32 31.2 8.6 13 50 20160 270 35 35.0 -0.0 | 260 32 31.3 5.6 Wind Parameters Mean winds (0-6000m): 296.3 at 8.9 knts Storm direction: 326.3 at 6.7 knts Shear (0-3000m) pos: 0.7 neg: 0.0 tot: 0.7 10-3/s Storm rel Dir Shear (0-3000m): 23.3 deg Storm rel helicity (0-3000m) pos: 36.2 neg: -3.1 tot: 33.2 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 22.53 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 ------------------------------------------------------------------------------- 500 128 4 139 11| 6.7 0.0 6.7| 0.5 -2.4 -2.0 -4.0 -0.14| 6.7 -0.9 1000 132 7 139 14| 5.3 0.0 5.3| 7.5 -2.4 5.0 5.0 0.07| 5.6 0.4 1500 138 9 142 15| 3.7 0.0 3.7| 20.6 -2.4 18.2 12.1 0.22| 5.1 1.1 2000 143 9 144 16| 2.0 0.0 2.0| 30.8 -2.4 28.4 14.2 0.29| 4.9 1.4 2500 145 9 146 15| 1.0 0.0 1.0| 34.0 -2.4 31.6 12.6 0.29| 4.7 1.3 3000 146 8 146 14| 0.7 0.0 0.7| 36.2 -3.1 33.2 11.1 0.28| 4.4 1.2 4000 159 7 153 14| 1.1 0.0 1.1| 52.5 -3.1 49.4 12.3 0.42| 4.2 1.8 5000 171 8 159 14| 1.3 0.0 1.3| 69.3 -3.1 66.2 13.2 0.55| 4.4 2.4 6000 296 9 249 5| 1.3 0.5 1.8| 74.9 -12.0 62.9 10.5 0.44| 4.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251031.00.gif