UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 10 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1009 92 -6.5 -10.4 74 3.9 -7.6 180 1 266.0 266.2 265.1 270.6 1.71 1 1000 162 -6.5 -11.1 70 4.6 -7.8 195 3 266.6 266.9 265.4 271.1 1.63 2 925 768 -8.5 -12.6 72 4.1 -9.6 255 33 270.6 270.9 268.0 275.0 1.57 3 899 988 -10.3 -13.5 77 3.2 -11.1 260 39 271.0 271.2 268.1 275.2 1.50 4 875 1198 -6.9 -9.2 84 2.3 -7.6 265 44 276.6 277.0 272.7 282.7 2.17 5 850 1424 -7.7 -9.9 84 2.2 -8.4 270 50 278.1 278.4 273.5 284.1 2.12 6 844 1479 -8.1 -10.7 82 2.6 -8.9 270 50 278.2 278.6 273.4 283.9 2.00 7 822 1685 -6.3 -9.7 77 3.4 -7.4 272 48 282.2 282.6 276.0 288.6 2.22 8 727 2638 -11.1 -15.8 68 4.7 -12.3 278 42 287.1 287.3 277.5 291.7 1.53 9 700 2928 -11.9 -17.9 61 6.0 -13.4 280 40 289.3 289.5 278.3 293.4 1.33 10 500 5410 -29.7 -33.7 68 4.0 -30.2 270 29 296.8 296.9 280.6 298.3 0.44 11 482 5670 -31.5 -35.5 68 4.0 -31.9 271 32 297.7 297.8 280.9 299.0 0.39 12 400 6960 -42.5 -46.7 63 4.2 -42.7 275 46 299.8 299.8 281.4 300.3 0.14 13 300 8850 -57.5 -61.7 59 4.2 -57.6 285 60 304.3 304.3 283.2 304.4 0.03 14 260 9732 -64.5 -68.7 56 4.2 -64.6 281 67 306.7 306.7 284.1 306.8 0.01 15 252 9921 -63.7 -68.0 56 4.3 -63.7 280 68 310.7 310.7 285.6 310.7 0.02 16 250 9970 -63.5 -67.8 56 4.3 -63.6 280 68 311.7 311.7 285.9 311.7 0.02 17 231 10451 -66.5 -70.5 57 4.0 -66.5 285 60 314.2 314.2 286.8 314.3 0.01 18 212 10969 -67.1 -71.3 55 4.2 -67.1 288 56 321.1 321.1 289.1 321.1 0.01 19 200 11320 -67.1 -71.3 55 4.2 -67.1 290 54 326.5 326.5 290.7 326.5 0.01 20 174 12169 -63.9 -68.3 55 4.4 -64.0 292 48 345.0 345.0 295.6 345.1 0.02 21 155 12872 -67.9 -72.2 54 4.3 -67.9 294 43 349.8 349.8 296.6 349.9 0.01 22 150 13070 -67.9 -72.2 54 4.3 -67.9 295 42 353.1 353.1 297.3 353.2 0.01 23 102 15382 -68.3 -72.8 52 4.5 -68.4 290 46 393.5 393.5 304.3 393.6 0.02 24 100 15500 -68.9 -73.4 52 4.5 -68.9 290 46 394.6 394.6 304.5 394.7 0.02 25 87 16326 -72.1 -76.4 52 4.3 -72.1 296 48 404.2 404.2 305.7 404.3 0.01 26 75 17203 -70.3 -74.6 53 4.3 -70.4 302 51 425.5 425.5 308.3 425.6 0.02 27 70 17610 -72.9 -77.4 50 4.5 -72.9 305 52 428.4 428.4 308.7 428.5 0.01 28 60 18509 -75.3 -79.6 51 4.3 -75.3 442.4 442.4 310.1 442.4 0.01 TRP 231 10451 -66.5 -70.5 57 4.0 -66.5 285 60 314.2 314.2 286.8 314.3 0.01 WND 252 9921 -63.7 -68.0 56 4.3 -63.7 280 68 310.7 310.7 285.6 310.7 0.02 Sounding variables and indices 1000-500 mb thick: 5248.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 69.31 % Est. max temperature: 5.11 C = 41.20 F Sfc-Lift cond lev (LCL): 948.34 mb = 574.34 m = 1884.28 ft T: -7.86 C 700-500 lapse rate: 7.17 C/km ThetaE index: 0.17 C Layer 844.0- 822.0 mb Conv cond level (CCL): 636.72 mb = 3626.94 m = 11899.28 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 19.15 C = 66.47 F Cap Strength: 16.03 C Lifted Index: 19.62 C Risk: None Lifted Index @300 mb: 22.05 C Lifted Index @700 mb: 16.03 C Showalter Index: 11.03 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 19.80 C K Index: 6.10 Risk: None Sweat Index: 129.00 Risk: None Energy Index: 3.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.19 J/kg Max Up Vert Vel: 4.51 m/s Conv Inhibition (B-): 26875.47 J/kg Cap Strength: 19.53 C Lift Cond Lev (LCL): 894.50 mb = 1027.27 m = 3370.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 27 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 1009 92 180 1 0.0 1.0 | 124 27 -22.6 15.2 1 1000 162 195 3 0.8 2.9 | 128 28 -21.8 17.1 2 925 768 255 33 31.9 8.5 | 202 25 9.3 22.8 3 850 1424 270 50 50.0 -0.0 | 243 31 27.4 14.2 4 700 2928 280 40 39.4 -6.9 | 247 18 16.8 7.3 5 500 5410 270 29 29.0 -0.0 | 204 16 6.4 14.2 6 400 6960 275 46 45.8 -4.0 | 246 25 23.2 10.2 7 300 8850 285 60 58.0 -15.5 | 272 35 35.4 -1.3 8 252 9921 280 68 67.0 -11.8 | 267 44 44.4 2.4 9 250 9970 280 68 67.0 -11.8 | 267 44 44.4 2.4 10 231 10451 285 60 58.0 -15.5 | 272 35 35.4 -1.3 11 200 11320 290 54 50.7 -18.5 | 279 28 28.1 -4.2 12 150 13070 295 42 38.1 -17.7 | 283 16 15.5 -3.5 13 100 15500 290 46 43.2 -15.7 | 274 21 20.6 -1.5 14 70 17610 305 52 42.6 -29.8 | 308 25 20.0 -15.6 Wind Parameters Mean winds (0-6000m): 272.2 at 35.6 knts Storm direction: 302.2 at 26.7 knts Shear (0-3000m) pos: 6.8 neg: 0.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 120.0 deg Storm rel helicity (0-3000m) pos: 424.0 neg: -3.8 tot: 420.2 m^2/s^2 ave: 140.1 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 9.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.10 Bulk Shear: 100.20 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 ------------------------------------------------------------------------------- 500 232 12 149 25| 24.5 0.0 24.5|191.7 0.0 191.7 383.4 0.99| 26.7 26.4 1000 255 23 179 20| 21.2 0.0 21.2|337.4 0.0 337.4 337.4 0.98| 24.7 24.2 1500 262 31 203 20| 16.8 0.0 16.8|414.3 0.0 414.3 276.2 0.96| 20.4 19.6 2000 265 35 216 21| 11.7 0.0 11.7|420.1 0.0 420.1 210.1 0.91| 16.4 14.9 2500 268 37 222 21| 8.7 0.0 8.7|423.2 0.0 423.2 169.3 0.86| 14.0 12.0 3000 270 37 226 21| 6.8 0.0 6.8|424.0 -3.8 420.2 140.1 0.81| 12.2 9.9 4000 272 37 228 20| 5.1 0.7 5.7|424.0 -25.8 398.2 99.5 0.69| 9.8 6.8 5000 272 36 227 19| 4.1 1.0 5.1|424.0 -46.6 377.4 75.5 0.59| 8.4 4.9 6000 272 36 225 18| 3.9 0.8 4.7|454.3 -52.7 401.6 66.9 0.59| 7.8 4.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251210.12.gif