UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 19 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 ------------------------------------------------------------------------------- 0 1000 3 SFC 989 97 15.6 3.6 45 12.0 9.4 280 9 289.7 290.5 283.0 304.0 5.01 2 966 296 14.8 0.8 38 14.0 7.9 278 14 290.8 291.6 282.6 303.0 4.19 3 925 660 11.0 -1.0 43 12.0 5.4 275 23 290.6 291.2 282.1 301.7 3.84 4 850 1357 4.2 -2.8 60 7.0 1.1 285 27 290.5 291.2 281.8 301.2 3.66 5 824 1609 2.2 -2.8 69 5.0 0.0 287 30 291.0 291.7 282.2 302.0 3.77 6 804 1807 1.8 -2.8 71 4.6 -0.2 289 32 292.7 293.3 283.0 304.0 3.87 7 795 1898 2.2 -2.5 71 4.7 0.1 290 33 294.0 294.7 283.7 305.8 4.00 8 700 2916 -2.3 -9.3 59 7.0 -5.0 300 44 299.9 300.4 284.7 308.2 2.70 9 651 3488 -5.5 -19.5 32 14.0 -9.6 300 50 302.6 302.8 284.0 306.6 1.25 10 550 4785 -14.7 -20.7 60 6.0 -16.3 300 63 306.6 306.9 285.7 311.0 1.34 11 524 5150 -16.5 -24.5 50 8.0 -18.3 300 67 308.8 308.9 286.1 312.1 1.00 12 500 5500 -19.5 -32.5 31 13.0 -21.7 300 71 309.3 309.4 285.7 311.0 0.50 13 486 5711 -21.7 -34.7 30 13.0 -23.7 300 74 309.1 309.2 285.5 310.5 0.41 14 459 6130 -25.9 -37.9 32 12.0 -27.3 300 80 308.9 309.0 285.3 310.0 0.32 15 454 6210 -26.3 -37.7 33 11.4 -27.6 300 81 309.5 309.5 285.5 310.6 0.33 16 426 6670 -28.3 -36.3 46 8.0 -29.3 305 72 312.5 312.6 286.7 313.9 0.40 17 400 7120 -32.1 -39.1 50 7.0 -32.8 310 64 313.3 313.3 286.9 314.4 0.32 18 395 7209 -32.7 -39.7 50 7.0 -33.4 310 65 313.6 313.7 287.0 314.7 0.31 19 300 9080 -48.7 -56.7 39 8.0 -48.9 310 79 316.7 316.7 287.8 316.9 0.06 20 250 10240 -59.5 -68.5 30 9.0 -59.6 310 77 317.6 317.6 288.0 317.7 0.02 21 231 10731 -63.3 -72.3 28 9.0 -63.4 310 77 319.1 319.1 288.5 319.1 0.01 22 215 11173 -62.5 -71.5 29 9.0 -62.6 312 76 327.0 327.0 290.9 327.0 0.01 23 200 11620 -62.5 -71.5 29 9.0 -62.6 315 75 333.8 333.8 292.7 333.8 0.01 24 185 12103 -61.3 -70.3 29 9.0 -61.4 316 68 343.3 343.3 295.1 343.3 0.02 25 157 13138 -54.3 -64.3 28 10.0 -54.6 319 54 371.6 371.6 300.9 371.8 0.04 26 150 13430 -55.7 -65.7 28 10.0 -55.9 320 50 374.1 374.1 301.3 374.3 0.04 27 122 14748 -56.9 -68.9 21 12.0 -57.2 323 41 394.7 394.7 304.5 394.8 0.03 28 114 15182 -54.1 -67.1 19 13.0 -54.5 323 38 407.6 407.6 306.2 407.8 0.04 29 107 15588 -56.3 -69.3 18 13.0 -56.6 324 36 410.9 410.9 306.6 411.1 0.03 30 100 16020 -55.9 -69.9 16 14.0 -56.3 325 33 419.7 419.7 307.7 419.9 0.03 31 70 18290 -55.1 -73.1 9 18.0 -55.8 350 31 466.5 466.5 312.4 466.7 0.03 32 50 20440 -54.3 -76.3 5 22.0 -55.4 335 25 515.5 515.5 316.0 515.7 0.02 33 45 21116 -53.7 -76.7 4 23.0 -54.9 532.7 532.7 317.1 532.9 0.02 34 30 23708 -56.1 -79.1 4 23.0 -57.5 591.7 591.7 320.2 591.9 0.03 TRP 231 10731 -63.3 -72.3 28 9.0 -63.4 310 77 319.1 319.1 288.5 319.1 0.01 WND 454 6210 -26.3 -37.7 33 11.4 -27.6 300 81 309.5 309.5 285.5 310.6 0.33 Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 748.56 mb = 2395.43 m = 7858.94 ft Wetbulb zero: 822.31 mb = 1625.12 m = 5331.70 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 52.17 % Est. max temperature: 16.68 C = 62.02 F Sfc-Lift cond lev (LCL): 825.47 mb = 1594.12 m = 5230.00 ft T: 2.32 C 700-500 lapse rate: 6.66 C/km ThetaE index: 2.82 C Layer 966.0- 824.0 mb Conv cond level (CCL): 662.10 mb = 3354.41 m = 11005.13 ft Mean mixing ratio: 4.06 g/kg Conv temperature: 27.89 C = 82.20 F Cap Strength: 8.03 C Lifted Index: 7.84 C Risk: None Lifted Index @300 mb: 10.31 C Lifted Index @700 mb: 5.82 C Showalter Index: 8.61 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 16.70 C K Index: 13.90 Risk: None Sweat Index: 125.00 Risk: None Energy Index: 2.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.05 J/kg Max Up Vert Vel: 2.02 m/s Conv Inhibition (B-): 32939.71 J/kg Cap Strength: 7.98 C Lift Cond Lev (LCL): 779.55 mb = 2054.52 m = 6740.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 35 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 ---------------------------------------------------------- 0 989 97 280 9 8.9 -1.6 | 160 30 -10.1 27.7 1 925 660 275 23 22.9 -2.0 | 188 28 3.9 27.3 2 850 1357 285 27 26.1 -7.0 | 198 23 7.1 22.3 3 700 2916 300 44 38.1 -22.0 | 249 20 19.1 7.3 4 500 5500 300 71 61.5 -35.5 | 278 43 42.5 -6.2 5 454 6210 300 81 70.1 -40.5 | 282 52 51.2 -11.2 6 400 7120 310 64 49.0 -41.1 | 292 32 30.0 -11.9 7 300 9080 310 79 60.5 -50.8 | 297 47 41.5 -21.5 8 250 10240 310 77 59.0 -49.5 | 297 45 40.0 -20.2 9 231 10731 310 77 59.0 -49.5 | 297 45 40.0 -20.2 10 200 11620 315 75 53.0 -53.0 | 305 42 34.1 -23.8 11 150 13430 320 50 32.1 -38.3 | 304 16 13.2 -9.0 12 100 16020 325 33 18.9 -27.0 | 179 2 -0.1 2.2 13 70 18290 350 31 5.4 -30.5 | 85 14 -13.6 -1.2 14 50 20440 335 25 10.6 -22.7 | 128 11 -8.4 6.6 Wind Parameters Mean winds (0-6000m): 297.0 at 46.5 knts Storm direction: 327.0 at 34.9 knts Shear (0-3000m) pos: 4.8 neg: 2.1 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 243.4 neg: 0.0 tot: 243.4 m^2/s^2 ave: 81.1 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 6.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 141.67 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 ------------------------------------------------------------------------------- 500 277 15 172 28| 0.0 12.8 12.8| 89.0 0.0 89.0 178.0 0.97| 12.9 12.5 1000 277 20 181 27| 2.4 6.4 8.8|118.6 0.0 118.6 118.6 0.93| 9.1 8.4 1500 280 22 186 25| 3.3 4.3 7.6|145.1 0.0 145.1 96.8 0.91| 7.8 7.1 2000 284 25 192 24| 4.1 3.2 7.3|179.0 0.0 179.0 89.5 0.92| 7.4 6.8 2500 287 27 199 22| 4.5 2.6 7.1|213.1 0.0 213.1 85.2 0.93| 7.2 6.7 3000 290 30 206 21| 4.8 2.1 6.9|243.4 0.0 243.4 81.1 0.93| 7.1 6.6 4000 294 35 221 20| 3.6 2.9 6.4|287.3 0.0 287.3 71.8 0.87| 6.6 5.8 5000 296 41 237 21| 2.9 3.3 6.2|331.2 0.0 331.2 66.2 0.80| 6.4 5.1 6000 297 47 250 24| 2.4 3.9 6.2|384.2 0.0 384.2 64.0 0.73| 6.4 4.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250419.12.gif