UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 8 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 ------------------------------------------------------------------------------- SFC 1006 113 13.0 7.0 67 6.0 9.7 180 3 285.7 286.7 282.7 303.1 6.25 1 1000 163 12.6 7.6 72 5.0 9.9 185 5 285.8 286.9 283.0 304.1 6.55 2 925 811 7.4 3.2 75 4.2 5.3 215 19 286.9 287.8 282.0 301.6 5.21 3 879 1228 3.8 0.9 81 2.9 2.4 224 24 287.4 288.2 281.6 300.6 4.64 4 867 1340 3.6 0.6 81 3.0 2.2 226 25 288.3 289.1 282.0 301.5 4.61 5 850 1500 2.6 -0.8 78 3.4 1.1 230 27 288.9 289.6 281.8 301.1 4.24 6 751 2496 0.0 -9.0 51 9.0 -3.4 224 19 296.5 296.9 283.1 304.3 2.57 7 700 3056 -3.1 -14.1 42 11.0 -6.8 220 15 299.1 299.4 283.3 304.8 1.83 8 681 3273 -4.5 -17.5 35 13.0 -8.5 230 15 299.9 300.1 283.1 304.3 1.42 9 634 3833 -6.5 -13.5 58 7.0 -8.9 255 13 303.8 304.2 285.5 310.5 2.13 10 556 4841 -14.5 -17.9 75 3.4 -15.4 302 11 305.9 306.2 285.8 311.3 1.68 11 534 5147 -14.9 -17.6 80 2.7 -15.7 317 10 309.0 309.3 287.0 314.8 1.80 12 528 5232 -15.7 -18.3 80 2.6 -16.4 321 10 309.0 309.4 286.9 314.6 1.71 13 500 5640 -18.5 -21.8 75 3.3 -19.3 340 9 310.5 310.7 287.1 314.9 1.34 14 420 6920 -27.7 -33.7 57 6.0 -28.6 35 17 314.6 314.7 287.6 316.4 0.53 15 400 7270 -29.5 -37.5 46 8.0 -30.4 50 19 316.6 316.7 288.1 318.0 0.38 16 364 7936 -33.3 -42.3 40 9.0 -34.1 42 22 320.2 320.3 289.1 321.2 0.25 17 300 9260 -44.1 -53.1 36 9.0 -44.5 25 29 323.2 323.2 289.8 323.6 0.09 18 276 9815 -48.7 -57.7 34 9.0 -49.0 23 28 324.4 324.4 290.2 324.6 0.06 19 250 10460 -52.9 -62.9 29 10.0 -53.1 20 27 327.4 327.4 291.0 327.6 0.03 20 237 10801 -55.3 -64.3 32 9.0 -55.5 23 24 328.8 328.8 291.4 329.0 0.03 21 231 10963 -56.1 -66.1 27 10.0 -56.2 25 23 330.0 330.0 291.7 330.1 0.02 22 226 11102 -54.9 -63.9 32 9.0 -55.1 22 22 333.9 334.0 292.8 334.1 0.03 23 200 11880 -54.7 -64.7 28 10.0 -54.9 5 15 346.1 346.2 295.8 346.3 0.03 24 182 12486 -53.1 -63.1 29 10.0 -53.4 350 14 358.2 358.2 298.4 358.4 0.04 25 150 13730 -54.5 -65.5 25 11.0 -54.8 320 13 376.2 376.2 301.6 376.4 0.04 26 134 14447 -57.1 -69.1 20 12.0 -57.3 316 12 383.9 383.9 302.9 384.0 0.03 27 122 15038 -58.1 -70.1 20 12.0 -58.3 312 11 392.5 392.5 304.2 392.6 0.02 28 100 16290 -57.5 -69.5 20 12.0 -57.8 305 9 416.6 416.6 307.3 416.8 0.03 29 70 18540 -59.3 -72.3 17 13.0 -59.7 300 9 457.5 457.5 311.5 457.7 0.03 30 53 20277 -59.1 -73.1 15 14.0 -59.6 300 11 495.9 495.9 314.7 496.1 0.04 31 50 20640 -59.9 -73.9 14 14.0 -60.4 300 11 502.3 502.3 315.1 502.5 0.03 32 46 21159 -61.3 -75.3 14 14.0 -61.7 298 11 511.1 511.1 315.7 511.3 0.03 33 32 23418 -59.9 -74.9 12 15.0 -60.7 291 9 570.7 570.7 319.2 571.0 0.05 34 30 23820 -61.1 -74.1 16 13.0 -61.8 290 9 578.1 578.1 319.6 578.5 0.06 35 20 26330 -62.3 -78.3 10 16.0 -63.2 315 17 645.5 645.5 322.5 645.8 0.04 36 18 26984 -60.1 -76.1 11 16.0 -61.4 672.2 672.2 323.5 672.7 0.07 37 14 28556 -59.1 -76.1 9 17.0 -60.9 725.6 725.7 325.3 726.4 0.09 TRP 231 10963 -56.1 -66.1 27 10.0 -56.2 25 23 330.0 330.0 291.7 330.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5477.00 m Freezing level: 751.00 mb = 2496.17 m = 8189.43 ft Wetbulb zero: 826.42 mb = 1726.29 m = 5663.60 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 64.97 % Est. max temperature: 16.00 C = 60.81 F Sfc-Lift cond lev (LCL): 918.93 mb = 864.85 m = 2837.40 ft T: 6.94 C 700-500 lapse rate: 5.96 C/km ThetaE index: 3.48 C Layer 925.0- 867.0 mb Conv cond level (CCL): 880.08 mb = 1217.96 m = 3995.88 ft Mean mixing ratio: 5.75 g/kg Conv temperature: 14.69 C = 58.44 F Cap Strength: 8.28 C Lifted Index: 8.67 C Risk: None Lifted Index @300 mb: 14.71 C Lifted Index @700 mb: 4.85 C Showalter Index: 9.72 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 17.70 C K Index: 9.30 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.50 J/kg Max Up Vert Vel: 2.64 m/s Conv Inhibition (B-): 45992.16 J/kg Cap Strength: 8.62 C Lift Cond Lev (LCL): 892.42 mb = 1104.11 m = 3622.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 12 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 1006 113 180 3 0.0 3.0 | 100 12 -11.5 1.9 1 1000 163 185 5 0.4 5.0 | 110 12 -11.0 3.9 2 925 811 215 19 10.9 15.6 | 178 15 -0.6 14.5 3 850 1500 230 27 20.7 17.4 | 210 19 9.2 16.3 4 700 3056 220 15 9.6 11.5 | 170 11 -1.8 10.4 5 500 5640 340 9 3.1 -8.5 | 41 13 -8.4 -9.5 6 400 7270 50 19 -14.6 -12.2 | 63 29 -26.0 -13.3 7 300 9260 25 29 -12.3 -26.3 | 41 36 -23.7 -27.3 8 250 10460 20 27 -9.2 -25.4 | 38 34 -20.7 -26.4 9 231 10963 25 23 -9.7 -20.8 | 44 30 -21.2 -21.9 10 200 11880 5 15 -1.3 -14.9 | 39 20 -12.8 -16.0 11 150 13730 320 13 8.4 -10.0 | 16 11 -3.1 -11.0 12 100 16290 305 9 7.4 -5.2 | 33 7 -4.1 -6.2 13 70 18540 300 9 7.8 -4.5 | 33 7 -3.7 -5.6 14 50 20640 300 11 9.5 -5.5 | 16 7 -1.9 -6.6 15 30 23820 290 9 8.5 -3.1 | 36 5 -3.0 -4.1 16 20 26330 315 17 12.0 -12.0 | 358 13 0.6 -13.1 Wind Parameters Mean winds (0-6000m): 234.7 at 15.3 knts Storm direction: 264.7 at 11.5 knts Shear (0-3000m) pos: 4.2 neg: 2.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 72.4 deg Storm rel helicity (0-3000m) pos: 96.8 neg: -34.4 tot: 62.4 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.30 Bulk Shear: 11.64 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 ------------------------------------------------------------------------------- 500 200 9 133 11| 12.4 0.0 12.4| 39.5 0.0 39.5 79.1 0.99| 12.8 12.7 1000 213 14 161 12| 10.5 0.0 10.5| 73.1 0.0 73.1 73.1 0.97| 11.2 10.9 1500 220 18 180 13| 8.3 0.0 8.3| 96.6 -2.7 93.9 62.6 0.91| 9.7 8.8 2000 222 19 187 13| 6.2 1.1 7.3| 96.6 -15.2 81.4 40.7 0.71| 8.3 5.9 2500 223 20 188 13| 5.0 1.7 6.7| 96.6 -26.3 70.3 28.1 0.54| 7.5 4.1 3000 223 19 187 13| 4.2 2.0 6.1| 96.8 -34.4 62.4 20.8 0.43| 6.9 2.9 4000 227 18 188 11| 2.9 1.5 4.4|103.9 -34.4 69.5 17.4 0.45| 6.7 3.0 5000 231 16 188 9| 1.8 1.2 3.0|110.5 -34.4 76.1 15.2 0.47| 6.3 2.9 6000 235 15 188 8| 1.1 1.0 2.1|119.6 -34.7 84.9 14.2 0.45| 6.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251008.12.gif