UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 17 APR 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 14 SFC 984 148 9.8 6.8 82 3.0 8.2 220 11 284.3 285.3 282.1 301.8 6.30 2 943 501 8.2 4.8 79 3.4 6.5 230 25 286.1 287.1 282.3 302.2 5.72 3 925 660 7.2 3.2 76 4.0 5.2 235 31 286.7 287.6 281.9 301.4 5.21 4 913 767 5.6 2.2 79 3.4 3.9 237 32 286.1 287.0 281.3 300.0 4.91 5 850 1349 2.0 -6.0 55 8.0 -1.2 250 40 288.2 288.7 279.8 296.6 2.87 6 790 1935 -2.9 -11.9 50 9.0 -5.9 246 48 289.1 289.4 279.0 294.9 1.94 7 743 2419 -5.3 -14.3 49 9.0 -8.1 243 54 291.6 291.9 279.9 296.8 1.70 8 700 2884 -8.5 -17.5 48 9.0 -11.0 240 60 293.1 293.3 280.1 297.3 1.38 9 675 3165 -9.5 -16.5 57 7.0 -11.5 238 61 295.0 295.3 281.3 299.8 1.56 10 597 4101 -15.7 -17.9 83 2.2 -16.3 231 63 298.4 298.7 282.7 303.3 1.57 11 540 4848 -21.9 -23.5 87 1.6 -22.2 225 65 299.7 299.9 282.6 303.1 1.06 12 500 5410 -24.9 -29.4 66 4.5 -25.6 220 66 302.7 302.8 283.4 304.9 0.67 13 484 5646 -27.9 -36.9 42 9.0 -28.9 222 68 301.8 301.9 282.5 303.0 0.33 14 451 6152 -31.9 -37.9 55 6.0 -32.5 227 73 303.0 303.0 283.0 304.1 0.32 15 400 6990 -39.5 -47.5 42 8.0 -39.9 235 81 303.7 303.7 283.0 304.1 0.13 16 391 7145 -40.5 -48.5 42 8.0 -40.9 235 82 304.3 304.3 283.3 304.8 0.12 17 336 8164 -45.1 -53.1 40 8.0 -45.4 238 91 311.5 311.5 286.0 311.8 0.08 18 307 8760 -49.7 -59.7 30 10.0 -49.9 240 96 313.2 313.2 286.5 313.4 0.04 19 300 8910 -50.2 -60.5 28 10.4 -50.4 240 97 314.7 314.7 287.0 314.8 0.04 20 289 9154 -50.9 -61.9 26 11.0 -51.1 245 93 317.0 317.0 287.8 317.1 0.03 21 250 10100 -50.7 -70.7 8 20.0 -51.0 235 68 330.7 330.7 291.9 330.7 0.01 22 244 10258 -51.3 -73.3 6 22.0 -51.7 236 67 332.1 332.1 292.3 332.1 0.01 23 242 10312 -51.3 -73.3 6 22.0 -51.7 236 67 332.9 332.9 292.5 332.9 0.01 24 200 11560 -47.9 -70.9 5 23.0 -48.5 240 60 356.9 356.9 298.1 357.0 0.01 25 171 12593 -45.5 -69.5 5 24.0 -46.4 248 55 377.3 377.3 301.8 377.3 0.02 26 150 13460 -46.9 -70.9 5 24.0 -47.7 255 50 389.2 389.3 303.7 389.3 0.02 27 100 16130 -51.3 -74.3 5 23.0 -52.1 270 38 428.6 428.6 308.7 428.7 0.02 28 97 16328 -52.1 -76.1 4 24.0 -52.8 430.8 430.8 308.9 430.9 0.01 29 96 16395 -52.1 -76.1 4 24.0 -52.8 432.1 432.1 309.1 432.1 0.01 TRP 289 9154 -50.9 -61.9 26 11.0 -51.1 245 93 317.0 317.0 287.8 317.1 0.03 WND 300 8910 -50.2 -60.5 28 10.4 -50.4 240 97 314.7 314.7 287.0 314.8 0.04 Sounding variables and indices 1000-500 mb thick: 5396.00 m Freezing level: 825.51 mb = 1587.98 m = 5209.86 ft Wetbulb zero: 864.24 mb = 1213.83 m = 3982.35 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 67.07 % Est. max temperature: 13.99 C = 57.19 F Sfc-Lift cond lev (LCL): 940.16 mb = 525.86 m = 1725.23 ft T: 8.04 C 700-500 lapse rate: 6.49 C/km ThetaE index: 7.31 C Layer 925.0- 743.0 mb Conv cond level (CCL): 856.40 mb = 1287.98 m = 4225.62 ft Mean mixing ratio: 5.31 g/kg Conv temperature: 13.54 C = 56.37 F Cap Strength: 2.03 C Lifted Index: 3.44 C Risk: None Lifted Index @300 mb: 9.82 C Lifted Index @700 mb: 0.39 C Showalter Index: 6.46 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 18.90 C K Index: 11.90 Risk: None Sweat Index: 146.00 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.12 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 29.65 J/kg Cap Strength: 3.30 C Lift Cond Lev (LCL): 882.75 mb = 1041.40 m = 3416.63 ft Lev Free Conv (LFC): 797.75 mb = 1856.43 m = 6090.58 ft Equ Level (EL): 767.75 mb = 2159.95 m = 7086.35 ft B at Equ Level: 10.89 J/kg Max Parcel Lev (MPL): 697.75 mb = 2908.88 m = 9543.45 ft Wind level data Storm motion: 263 at 41 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 ---------------------------------------------------------- 0 984 148 220 11 7.1 8.4 | 96 33 -33.3 3.4 1 925 660 235 31 25.4 17.8 | 131 20 -15.0 12.8 2 850 1349 250 40 37.6 13.7 | 162 9 -2.8 8.7 3 700 2884 240 60 52.0 30.0 | 205 28 11.6 25.0 4 500 5410 220 66 42.4 50.6 | 183 46 2.1 45.6 5 400 6990 235 81 66.4 46.5 | 212 49 26.0 41.5 6 300 8910 240 97 84.0 48.5 | 225 62 43.6 43.5 7 289 9154 245 93 84.3 39.3 | 232 56 43.9 34.3 8 250 10100 235 68 55.7 39.0 | 204 37 15.3 34.0 9 200 11560 240 60 52.0 30.0 | 205 28 11.6 25.0 10 150 13460 255 50 48.3 12.9 | 225 11 7.9 8.0 11 100 16130 270 38 38.0 -0.0 | 25 6 -2.4 -5.0 Wind Parameters Mean winds (0-6000m): 233.0 at 54.2 knts Storm direction: 263.0 at 40.7 knts Shear (0-3000m) pos: 5.9 neg: 3.3 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 106.1 deg Storm rel helicity (0-3000m) pos: 173.9 neg: -10.2 tot: 163.7 m^2/s^2 ave: 54.6 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 5.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 148.27 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 ------------------------------------------------------------------------------- 500 231 21 108 26| 20.7 0.0 20.7|106.1 0.0 106.1 212.3 0.75| 20.9 15.6 1000 237 27 120 20| 14.3 0.0 14.3|129.1 0.0 129.1 129.1 0.69| 15.3 10.6 1500 242 32 129 16| 11.9 0.0 11.9|145.2 0.0 145.2 96.8 0.70| 13.0 9.1 2000 243 36 142 14| 8.9 1.8 10.7|159.3 0.0 159.3 79.6 0.67| 11.6 7.8 2500 243 39 158 14| 7.1 2.9 10.0|170.5 0.0 170.5 68.2 0.62| 10.7 6.7 3000 242 43 170 15| 5.9 3.3 9.2|173.9 -10.2 163.7 54.6 0.55| 9.9 5.4 4000 240 47 182 19| 4.4 3.2 7.7|173.9 -57.2 116.6 29.2 0.39| 8.6 3.4 5000 236 51 185 24| 3.6 3.3 6.9|173.9-116.4 57.5 11.5 0.27| 7.8 2.1 6000 233 54 186 28| 3.8 2.8 6.6|303.2-129.9 173.3 28.9 0.34| 7.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20250417.12.gif