UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110812.upa.cvt Date: 1200Z 8 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 8 NOV 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 1004 112 3.4 0.4 81 3.0 2.1 250 3 276.2 276.9 275.0 286.9 3.92 1 1000 144 2.6 -0.9 78 3.5 1.1 255 3 275.8 276.4 274.3 285.5 3.58 2 925 768 -2.5 -4.1 89 1.6 -3.1 305 3 276.8 277.3 274.1 285.2 3.05 3 920 811 -2.9 -4.4 89 1.5 -3.4 306 3 276.8 277.3 274.0 285.1 2.99 4 913 872 -0.3 -2.0 88 1.7 -1.0 307 4 280.0 280.7 276.7 290.1 3.61 5 860 1350 0.0 -10.0 47 10.0 -3.4 314 6 285.2 285.6 277.3 291.3 2.08 6 850 1443 -0.3 -10.3 47 10.0 -3.7 315 7 285.8 286.2 277.6 291.8 2.05 7 701 2959 -8.9 -29.9 16 21.0 -12.9 325 17 292.5 292.6 278.6 294.0 0.46 8 700 2970 -8.9 -29.9 16 21.0 -12.9 325 17 292.6 292.7 278.7 294.1 0.46 9 615 3967 -12.1 -40.1 8 28.0 -16.2 323 26 300.0 300.0 281.6 300.6 0.19 10 611 4017 -12.7 -42.7 6 30.0 -16.7 323 26 299.9 299.9 281.5 300.4 0.14 11 500 5520 -21.9 -44.9 11 23.0 -24.4 320 40 306.3 306.4 284.1 306.8 0.14 12 459 6142 -26.1 -48.1 11 22.0 -28.0 318 44 308.7 308.7 284.9 309.1 0.11 13 400 7120 -33.7 -44.7 32 11.0 -34.6 315 50 311.2 311.2 286.0 311.8 0.18 14 330 8432 -44.3 -52.3 41 8.0 -44.6 315 61 314.2 314.3 286.9 314.6 0.09 15 300 9060 -49.7 -57.7 39 8.0 -49.9 315 66 315.3 315.3 287.2 315.5 0.05 16 268 9795 -55.1 -63.1 36 8.0 -55.2 315 70 317.8 317.8 288.1 317.9 0.03 17 250 10240 -57.9 -64.9 40 7.0 -58.0 315 73 320.0 320.0 288.8 320.1 0.02 18 244 10392 -58.5 -65.8 39 7.2 -58.6 310 75 321.3 321.3 289.2 321.4 0.02 19 226 10870 -60.5 -68.5 34 8.0 -60.6 310 75 325.4 325.4 290.4 325.4 0.02 20 209 11355 -60.5 -68.5 34 8.0 -60.6 310 75 332.7 332.7 292.4 332.8 0.02 21 200 11630 -58.1 -66.1 35 8.0 -58.2 310 75 340.8 340.8 294.5 340.9 0.03 22 150 13440 -59.5 -69.5 26 10.0 -59.7 310 58 367.6 367.6 300.1 367.7 0.02 23 100 15980 -60.3 -74.3 14 14.0 -60.6 320 48 411.2 411.2 306.7 411.3 0.02 24 98 16106 -59.9 -73.9 14 14.0 -60.2 320 48 414.4 414.4 307.0 414.5 0.02 25 70 18170 -67.1 -83.1 9 16.0 -67.2 320 44 440.8 440.8 310.0 440.9 0.01 26 69 18257 -67.1 -83.1 9 16.0 -67.2 320 44 442.7 442.7 310.1 442.7 0.01 27 67 18433 -69.1 -84.1 10 15.0 -69.2 319 44 442.1 442.1 310.1 442.1 0.01 28 62 18897 -67.7 -83.7 8 16.0 -67.9 318 43 455.1 455.1 311.3 455.1 0.01 29 50 20180 -70.9 -86.9 8 16.0 -71.1 315 42 476.4 476.4 313.2 476.4 0.00 30 38 21795 -73.5 -89.5 7 16.0 -73.6 312 45 508.7 508.7 315.5 508.7 0.00 31 33 22626 -70.3 -87.3 7 17.0 -70.5 311 47 538.1 538.1 317.4 538.2 0.01 32 30 23190 -72.1 -88.1 7 16.0 -72.3 310 48 548.1 548.1 318.0 548.1 0.01 33 29 23389 -73.5 -89.5 7 16.0 -73.6 309 48 549.6 549.6 318.1 549.6 0.00 34 21 25276 -73.1 -89.1 7 16.0 -73.3 297 46 603.9 603.9 320.8 604.0 0.01 35 20 25560 -75.7 -91.7 6 16.0 -75.9 295 46 604.5 604.5 320.8 604.5 0.00 36 18 26175 -73.3 -90.3 6 17.0 -73.6 293 48 630.5 630.5 321.9 630.6 0.01 37 15 27239 -75.3 -92.3 5 17.0 -75.5 289 52 657.6 657.6 323.0 657.6 0.00 38 13 28077 -71.9 -88.9 6 17.0 -72.3 286 55 696.9 696.9 324.3 696.9 0.01 39 11 29055 -75.7 -92.7 5 17.0 -76.0 282 58 717.2 717.2 325.0 717.2 0.01 40 10 29610 -73.3 -90.3 6 17.0 -73.7 280 60 745.9 745.9 325.8 746.0 0.01 41 9.1 30163 -72.3 -89.3 6 17.0 -72.9 770.2 770.2 326.5 770.3 0.01 42 8.2 30773 -74.1 -92.1 5 18.0 -74.6 786.3 786.3 326.9 786.4 0.01 43 6.9 31784 -72.3 -90.3 5 18.0 -73.0 833.6 833.6 328.0 833.7 0.02 44 6.2 32411 -74.3 -92.3 5 18.0 -74.9 850.9 851.0 328.4 851.0 0.01 45 4.6 34170 -69.5 -88.5 5 19.0 -71.0 949.2 949.2 330.3 949.5 0.03 TRP 226 10870 -60.5 -68.5 34 8.0 -60.6 310 75 325.4 325.4 290.4 325.4 0.02 WND 244 10392 -58.5 -65.8 39 7.2 -58.6 310 75 321.3 321.3 289.2 321.4 0.02 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 961.76 mb = 462.12 m = 1516.12 ft Freezing level: 860.00 mb = 1349.53 m = 4427.54 ft Freezing level: 860.00 mb = 1349.53 m = 4427.54 ft Wetbulb zero: 979.86 mb = 306.87 m = 1006.79 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 31.50 % Est. max temperature: 12.75 C = 54.95 F Sfc-Lift cond lev (LCL): 958.43 mb = 483.85 m = 1587.41 ft T: -0.18 C 700-500 lapse rate: 5.10 C/km ThetaE index: 1.87 C Layer 1000.0- 913.0 mb Conv cond level (CCL): 753.67 mb = 2389.07 m = 7838.05 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 17.20 C = 62.95 F Cap Strength: 14.13 C Lifted Index: 17.34 C Risk: None Lifted Index @300 mb: 20.77 C Lifted Index @700 mb: 9.42 C Showalter Index: 12.94 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 11.60 C K Index: -9.70 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.82 J/kg Max Up Vert Vel: 5.26 m/s Conv Inhibition (B-): 68012.31 J/kg Cap Strength: 17.08 C Lift Cond Lev (LCL): 917.45 mb = 832.96 m = 2732.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 15 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 1004 112 250 3 2.8 1.0 | 181 16 0.2 16.1 1 1000 144 255 3 2.9 0.8 | 181 16 0.3 15.9 2 925 768 305 3 2.5 -1.7 | 179 13 -0.1 13.4 3 850 1443 315 7 4.9 -4.9 | 193 10 2.4 10.1 4 700 2970 325 17 9.8 -13.9 | 261 7 7.2 1.2 5 500 5520 320 40 25.7 -30.6 | 304 28 23.1 -15.5 6 400 7120 315 50 35.4 -35.4 | 302 39 32.8 -20.3 7 300 9060 315 66 46.7 -46.7 | 306 54 44.1 -31.6 8 250 10240 315 73 51.6 -51.6 | 307 61 49.0 -36.5 9 244 10392 310 75 57.5 -48.2 | 301 64 54.9 -33.1 10 226 10870 310 75 57.5 -48.2 | 301 64 54.9 -33.1 11 200 11630 310 75 57.5 -48.2 | 301 64 54.9 -33.1 12 150 13440 310 58 44.4 -37.3 | 298 47 41.8 -22.2 13 100 15980 320 48 30.9 -36.8 | 307 36 28.3 -21.7 14 70 18170 320 44 28.3 -33.7 | 306 32 25.7 -18.6 15 50 20180 315 42 29.7 -29.7 | 298 31 27.1 -14.6 16 30 23190 310 48 36.8 -30.9 | 295 38 34.2 -15.8 17 20 25560 295 46 41.7 -19.4 | 276 39 39.1 -4.3 18 10 29610 280 60 59.1 -10.4 | 265 57 56.5 4.7 Wind Parameters Mean winds (0-6000m): 320.3 at 20.4 knts Storm direction: 350.3 at 15.3 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 87.9 deg Storm rel helicity (0-3000m) pos: 31.6 neg: -1.4 tot: 30.1 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.30 Bulk Shear: 45.49 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 ------------------------------------------------------------------------------- 500 272 3 182 15| 2.2 0.0 2.2| 0.8 -0.8 0.1 0.2 0.00| 2.3 0.0 1000 291 3 182 14| 2.3 0.0 2.3| 5.3 -1.4 3.9 3.9 0.24| 2.5 0.6 1500 303 4 185 13| 2.5 0.0 2.5| 11.7 -1.4 10.3 6.9 0.43| 2.7 1.2 2000 310 6 189 12| 2.8 0.0 2.8| 18.4 -1.4 17.0 8.5 0.56| 2.9 1.6 2500 315 7 194 10| 2.9 0.0 2.9| 24.8 -1.4 23.4 9.4 0.65| 3.0 2.0 3000 318 9 200 9| 3.0 0.0 3.0| 31.6 -1.4 30.1 10.0 0.71| 3.1 2.2 4000 321 12 222 8| 2.3 1.2 3.4| 45.9 -1.4 44.5 11.1 0.65| 3.5 2.3 5000 321 16 252 8| 1.8 1.9 3.7| 58.0 -1.4 56.6 11.3 0.56| 3.8 2.1 6000 320 20 273 10| 1.5 2.2 3.7| 61.9 -3.9 58.0 9.7 0.47| 3.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251108.12.gif