UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 23 APR 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 1015 93 7.0 -15.0 19 22.0 0.1 285 3 279.0 279.2 272.5 282.4 1.17 1 1000 215 5.4 -19.6 14 25.0 -1.4 270 1 278.5 278.7 271.7 281.0 0.81 2 925 844 -0.7 -22.7 17 22.0 -5.9 275 3 278.6 278.7 271.5 280.6 0.67 3 850 1510 -7.5 -24.5 24 17.0 -10.9 305 5 278.3 278.4 271.2 280.2 0.62 4 778 2193 -13.3 -28.3 27 15.0 -15.8 305 10 279.2 279.3 271.5 280.7 0.48 5 728 2700 -12.7 -41.7 7 29.0 -16.2 305 13 285.2 285.2 274.3 285.7 0.14 6 700 3000 -13.3 -46.3 4 33.0 -16.9 305 15 287.8 287.8 275.6 288.0 0.09 7 694 3065 -13.1 -47.1 4 34.0 -16.8 305 16 288.7 288.7 276.1 289.0 0.08 8 656 3492 -14.7 -39.7 10 25.0 -17.9 305 21 291.6 291.6 277.7 292.2 0.18 9 613 4000 -18.9 -40.9 12 22.0 -21.4 305 27 292.4 292.5 278.2 293.0 0.17 10 512 5319 -26.1 -36.1 39 10.0 -27.3 305 44 299.2 299.2 281.5 300.3 0.34 11 500 5490 -27.7 -37.7 38 10.0 -28.7 305 46 299.3 299.3 281.4 300.3 0.30 12 458 6112 -32.5 -41.5 40 9.0 -33.3 305 48 300.9 300.9 282.0 301.6 0.22 13 400 7050 -39.3 -48.3 38 9.0 -39.8 305 52 303.9 303.9 283.1 304.3 0.12 14 312 8707 -52.1 -62.1 29 10.0 -52.3 309 67 308.4 308.4 284.8 308.5 0.03 15 300 8960 -53.5 -63.5 28 10.0 -53.7 310 69 309.9 309.9 285.3 310.0 0.02 16 298 9003 -53.7 -63.7 28 10.0 -53.8 310 69 310.3 310.3 285.5 310.4 0.02 17 284 9310 -54.9 -64.9 28 10.0 -55.1 310 69 312.8 312.8 286.4 312.9 0.02 18 272 9584 -55.5 -65.5 28 10.0 -55.6 310 69 315.8 315.8 287.4 315.9 0.02 19 250 10120 -54.9 -64.9 28 10.0 -55.1 310 66 324.4 324.5 290.1 324.5 0.02 20 211 11212 -51.3 -64.3 20 13.0 -51.6 306 55 346.2 346.2 295.8 346.3 0.03 21 200 11560 -51.1 -64.1 20 13.0 -51.4 305 52 351.8 351.9 297.1 352.0 0.03 22 150 13430 -51.3 -69.3 10 18.0 -51.8 300 46 381.7 381.7 302.5 381.8 0.02 23 111 15372 -54.1 -78.1 4 24.0 -54.6 296 38 410.8 410.8 306.6 410.8 0.01 24 100 16040 -54.3 -78.3 4 24.0 -54.9 295 35 422.8 422.8 308.0 422.9 0.01 25 89 16788 -54.9 -78.9 4 24.0 -55.5 297 29 435.9 435.9 309.4 436.0 0.01 26 78 17639 -51.3 -75.3 4 24.0 -52.3 298 22 460.2 460.2 311.8 460.3 0.02 27 70 18340 -53.7 -77.7 4 24.0 -54.5 300 17 469.5 469.5 312.6 469.6 0.01 28 64 18912 -55.3 -79.3 4 24.0 -56.1 301 18 478.2 478.2 313.3 478.2 0.01 29 51 20363 -53.7 -77.7 4 24.0 -54.8 305 21 514.0 514.0 315.9 514.1 0.02 30 50 20490 -53.9 -77.9 4 24.0 -55.0 305 21 516.5 516.5 316.1 516.6 0.02 31 30 23730 -58.9 -81.9 4 23.0 -59.9 310 19 584.1 584.1 319.9 584.2 0.02 32 28 24161 -59.7 -82.7 3 23.0 -60.7 308 18 593.5 593.5 320.3 593.6 0.02 33 20 26280 -56.1 -79.1 4 23.0 -58.0 300 13 664.5 664.5 323.2 664.8 0.04 34 13 29087 -45.3 -71.3 4 26.0 -51.6 789.0 789.1 327.0 790.9 0.19 TRP 272 9584 -55.5 -65.5 28 10.0 -55.6 310 69 315.8 315.8 287.4 315.9 0.02 WND 298 9003 -53.7 -63.7 28 10.0 -53.8 310 69 310.3 310.3 285.5 310.4 0.02 Sounding variables and indices 1000-500 mb thick: 5275.00 m Freezing level: 933.61 mb = 771.82 m = 2532.19 ft Wetbulb zero: 1013.70 mb = 103.65 m = 340.05 ft Precipitable water: 0.10 inches Sfc-500 mean rel hum: 19.12 % Est. max temperature: 6.40 C = 43.53 F Sfc-Lift cond lev (LCL): 721.37 mb = 2770.30 m = 9088.79 ft T: -12.84 C 700-500 lapse rate: 5.78 C/km ThetaE index: 2.24 C Layer 1000.0- 778.0 mb Conv cond level (CCL): 496.96 mb = 5533.18 m = 18153.27 ft Mean mixing ratio: 0.77 g/kg Conv temperature: 27.51 C = 81.52 F Cap Strength: 15.60 C Lifted Index: 15.52 C Risk: None Lifted Index @300 mb: 20.60 C Lifted Index @700 mb: 8.27 C Showalter Index: 16.11 C Risk: None Total Totals Index: 23.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 3.20 C K Index: -37.30 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 4.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.25 J/kg Max Up Vert Vel: 2.91 m/s Conv Inhibition (B-): 58914.29 J/kg Cap Strength: 15.59 C Lift Cond Lev (LCL): 669.24 mb = 3340.69 m = 10960.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 16 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 1015 93 285 3 2.9 -0.8 | 164 14 -3.9 13.4 1 1000 215 270 1 1.0 -0.0 | 158 15 -5.8 14.2 2 925 844 275 3 3.0 -0.3 | 165 14 -3.8 13.9 3 850 1510 305 5 4.1 -2.9 | 167 12 -2.7 11.3 4 700 3000 305 15 12.3 -8.6 | 225 8 5.5 5.6 5 500 5490 305 46 37.7 -26.4 | 292 33 30.9 -12.2 6 400 7050 305 52 42.6 -29.8 | 294 39 35.8 -15.6 7 300 8960 310 69 52.9 -44.4 | 303 55 46.1 -30.2 8 298 9003 310 69 52.9 -44.4 | 303 55 46.1 -30.2 9 272 9584 310 69 52.9 -44.4 | 303 55 46.1 -30.2 10 250 10120 310 66 50.6 -42.4 | 303 52 43.8 -28.2 11 200 11560 305 52 42.6 -29.8 | 294 39 35.8 -15.6 12 150 13430 300 46 39.8 -23.0 | 285 34 33.1 -8.8 13 100 16040 295 35 31.7 -14.8 | 271 25 24.9 -0.6 14 70 18340 300 17 14.7 -8.5 | 234 10 7.9 5.7 15 50 20490 305 21 17.2 -12.0 | 258 11 10.4 2.1 16 30 23730 310 19 14.6 -12.2 | 256 8 7.8 2.0 17 20 26280 300 13 11.3 -6.5 | 210 9 4.5 7.7 Wind Parameters Mean winds (0-6000m): 304.5 at 21.0 knts Storm direction: 334.5 at 15.7 knts Shear (0-3000m) pos: 0.7 neg: 1.7 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 68.9 deg Storm rel helicity (0-3000m) pos: 30.9 neg: -5.2 tot: 25.7 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 50.30 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 ------------------------------------------------------------------------------- 500 275 2 160 15| 0.0 1.0 1.0| 3.4 -5.1 -1.6 -3.3 -0.16| 2.9 -0.5 1000 277 2 162 15| 0.9 0.5 1.4| 7.6 -5.1 2.6 2.6 0.14| 2.3 0.3 1500 289 3 164 14| 1.3 0.3 1.7| 9.2 -5.2 4.0 2.7 0.16| 2.4 0.4 2000 296 4 166 13| 1.0 0.6 1.6| 16.1 -5.2 10.9 5.4 0.36| 2.7 0.9 2500 300 5 170 12| 0.8 1.2 2.0| 23.0 -5.2 17.7 7.1 0.50| 2.8 1.4 3000 302 7 175 11| 0.7 1.7 2.3| 30.9 -5.2 25.7 8.6 0.60| 3.0 1.8 4000 303 11 194 9| 0.5 2.8 3.3| 56.4 -5.2 51.1 12.8 0.64| 3.9 2.5 5000 304 16 229 8| 0.4 3.6 4.0| 81.8 -5.2 76.6 15.3 0.55| 4.4 2.4 6000 304 21 258 11| 0.3 3.6 3.9| 96.7 -5.2 91.5 15.2 0.51| 4.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250423.12.gif