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 U2820... Searching the city database file for: U2820 ... Date:1200Z 17 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 79 270 3 SFC 996 112 5.4 0.5 71 4.9 3.2 270 3 278.9 279.5 276.6 289.9 3.98 2 931 657 -0.3 -4.4 74 4.1 -1.9 297 10 278.5 279.0 275.0 286.8 2.96 3 925 709 -0.5 -4.5 74 4.0 -2.0 300 11 278.8 279.3 275.1 287.1 2.96 4 888 1035 -1.3 -8.3 59 7.0 -3.7 300 15 281.2 281.6 275.5 287.8 2.30 5 850 1381 -4.1 -13.1 50 9.0 -6.8 300 19 281.9 282.1 274.9 286.6 1.64 6 700 2883 -14.1 -25.1 39 11.0 -16.2 290 15 286.9 287.0 276.2 289.1 0.71 7 630 3673 -19.5 -31.5 34 12.0 -21.2 299 13 289.5 289.6 277.1 290.9 0.44 8 580 4286 -20.5 -41.5 13 21.0 -22.8 307 12 295.2 295.3 279.5 295.8 0.17 9 554 4624 -22.1 -39.1 20 17.0 -24.1 311 11 297.2 297.3 280.5 298.0 0.23 10 500 5370 -27.3 -44.3 18 17.0 -28.7 320 9 299.8 299.8 281.4 300.3 0.15 11 400 6930 -40.3 -53.3 24 13.0 -40.8 305 7 302.6 302.6 282.5 302.9 0.07 12 331 8193 -50.5 -61.5 26 11.0 -50.7 289 10 305.5 305.5 283.6 305.6 0.03 13 300 8830 -53.3 -63.3 29 10.0 -53.5 280 11 310.2 310.2 285.4 310.3 0.03 14 285 9159 -55.3 -64.3 32 9.0 -55.4 275 13 311.9 311.9 286.1 312.0 0.02 15 275 9387 -54.5 -63.5 32 9.0 -54.6 272 16 316.3 316.3 287.6 316.4 0.03 16 262 9698 -53.3 -63.3 29 10.0 -53.5 269 21 322.5 322.5 289.5 322.6 0.03 17 250 10000 -52.7 -62.7 29 10.0 -52.9 265 25 327.7 327.7 291.1 327.9 0.03 18 200 11450 -49.5 -64.5 16 15.0 -50.0 270 29 354.4 354.4 297.6 354.5 0.03 19 150 13330 -50.1 -71.1 7 21.0 -50.7 265 25 383.7 383.7 302.9 383.8 0.02 20 147 13462 -48.9 -69.9 7 21.0 -49.6 265 25 388.0 388.0 303.5 388.1 0.02 21 139 13826 -51.7 -73.7 5 22.0 -52.2 265 24 389.4 389.4 303.7 389.4 0.01 22 120 14783 -49.5 -73.5 4 24.0 -50.3 265 23 410.1 410.1 306.5 410.2 0.02 23 110 15346 -54.1 -78.1 4 24.0 -54.6 265 22 411.8 411.8 306.7 411.9 0.01 24 100 15960 -51.3 -75.3 4 24.0 -52.1 265 21 428.6 428.6 308.7 428.7 0.01 25 96 16226 -51.3 -75.3 4 24.0 -52.1 269 20 433.6 433.6 309.2 433.7 0.01 26 83 17168 -54.9 -78.9 4 24.0 -55.5 283 17 444.7 444.7 310.4 444.8 0.01 27 70 18260 -54.9 -78.9 4 24.0 -55.6 300 13 466.9 466.9 312.4 467.0 0.01 28 69 18352 -54.9 -78.9 4 24.0 -55.6 299 13 468.9 468.9 312.5 468.9 0.01 29 59 19344 -59.9 -82.9 3 23.0 -60.4 292 17 479.1 479.1 313.4 479.1 0.01 30 51 20256 -59.9 -82.9 3 23.0 -60.4 286 21 499.5 499.5 314.9 499.5 0.01 31 50 20380 -59.9 -82.9 3 23.0 -60.4 285 21 502.3 502.3 315.1 502.4 0.01 32 38 22089 -59.9 -82.9 3 23.0 -60.6 282 16 543.3 543.3 317.7 543.4 0.01 33 34 22786 -57.5 -80.5 4 23.0 -58.6 281 13 567.2 567.2 319.0 567.3 0.02 34 30 23570 -60.1 -83.1 3 23.0 -61.0 280 11 580.8 580.8 319.7 580.9 0.01 35 24 24969 -57.9 -80.9 4 23.0 -59.3 286 14 625.5 625.5 321.7 625.6 0.02 36 21 25806 -60.7 -83.7 3 23.0 -61.9 289 16 641.4 641.4 322.3 641.5 0.02 37 20 26110 -59.5 -82.5 4 23.0 -60.9 290 17 654.0 654.1 322.9 654.2 0.02 38 10 30480 -56.5 -79.5 4 23.0 -59.6 260 29 808.6 808.7 327.5 809.3 0.07 39 8.8 31290 -57.3 -80.3 4 23.0 -60.5 835.7 835.7 328.1 836.4 0.07 40 7.9 31976 -54.5 -78.5 4 24.0 -58.9 873.0 873.1 328.9 874.2 0.11 TRP 285 9159 -55.3 -64.3 32 9.0 -55.4 275 13 311.9 311.9 286.1 312.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5291.00 m Freezing level: 934.42 mb = 628.58 m = 2062.25 ft Wetbulb zero: 954.66 mb = 454.46 m = 1490.99 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 39.92 % Est. max temperature: 8.50 C = 47.31 F Sfc-Lift cond lev (LCL): 923.62 mb = 720.94 m = 2365.26 ft T: -0.53 C 700-500 lapse rate: 5.31 C/km ThetaE index: 3.11 C Layer 931.0- 925.0 mb Conv cond level (CCL): 839.45 mb = 1477.59 m = 4847.68 ft Mean mixing ratio: 3.20 g/kg Conv temperature: 8.71 C = 47.69 F Cap Strength: 9.23 C Lifted Index: 10.47 C Risk: None Lifted Index @300 mb: 15.82 C Lifted Index @700 mb: 2.87 C Showalter Index: 11.47 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 14.20 C K Index: -0.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.77 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 69213.50 J/kg Cap Strength: 10.47 C Lift Cond Lev (LCL): 880.56 mb = 1101.22 m = 3612.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 9 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 ---------------------------------------------------------- 0 996 112 270 3 3.0 -0.0 | 168 8 -1.7 8.2 1 925 709 300 11 9.5 -5.5 | 240 6 4.8 2.7 2 850 1381 300 19 16.5 -9.5 | 276 12 11.7 -1.3 3 700 2883 290 15 14.1 -5.1 | 252 10 9.4 3.1 4 500 5370 320 9 5.8 -6.9 | 219 2 1.1 1.3 5 400 6930 305 7 5.7 -4.0 | 193 4 1.0 4.2 6 300 8830 280 11 10.8 -1.9 | 224 9 6.1 6.3 7 285 9159 275 13 13.0 -1.1 | 229 11 8.2 7.1 8 250 10000 265 25 24.9 2.2 | 243 23 20.2 10.4 9 200 11450 270 29 29.0 -0.0 | 251 26 24.3 8.2 10 150 13330 265 25 24.9 2.2 | 243 23 20.2 10.4 11 100 15960 265 21 20.9 1.8 | 238 19 16.2 10.0 12 70 18260 300 13 11.3 -6.5 | 255 7 6.5 1.7 13 50 20380 285 21 20.3 -5.4 | 260 16 15.6 2.8 14 30 23570 280 11 10.8 -1.9 | 224 9 6.1 6.3 15 20 26110 290 17 16.0 -5.8 | 258 12 11.2 2.4 16 10 30480 260 29 28.6 5.0 | 241 27 23.8 13.3 Wind Parameters Mean winds (0-6000m): 300.1 at 12.6 knts Storm direction: 330.1 at 9.5 knts Shear (0-3000m) pos: 2.1 neg: 0.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 84.9 deg Storm rel helicity (0-3000m) pos: 25.0 neg: -12.7 tot: 12.3 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.24 Bulk Shear: 5.48 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 ------------------------------------------------------------------------------- 500 292 6 191 6| 7.3 0.0 7.3| 12.5 0.0 12.5 24.9 0.93| 7.5 7.0 1000 297 10 225 5| 6.8 0.0 6.8| 20.8 0.0 20.8 20.8 0.85| 7.0 6.0 1500 298 12 249 7| 4.6 0.9 5.5| 24.5 -1.9 22.6 15.1 0.71| 6.0 4.3 2000 298 14 256 8| 3.4 0.5 3.9| 24.5 -6.4 18.1 9.1 0.57| 4.9 2.8 2500 297 14 258 8| 2.7 0.5 3.2| 24.5 -10.6 13.9 5.6 0.45| 4.3 1.9 3000 296 14 257 8| 2.1 0.4 2.5| 25.0 -12.7 12.3 4.1 0.39| 3.9 1.5 4000 297 14 257 8| 1.4 0.3 1.7| 25.7 -12.7 13.0 3.2 0.35| 3.4 1.2 5000 298 13 255 7| 1.0 0.2 1.2| 25.7 -13.5 12.2 2.4 0.27| 3.0 0.8 6000 300 13 253 6| 0.7 0.3 1.0| 25.7 -14.2 11.5 1.9 0.22| 2.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251017.12.gif