UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U3802... Searching the city database file for: U3802 ... Date:1200Z 18 APR 25 Station: U3802 WMO ident: 23802 Latitude: 61.68 Longitude: 50.78 ------------------------------------------------------------------------------- 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 97 270 3 SFC 998 114 16.4 1.4 36 15.0 8.9 270 3 289.7 290.5 282.1 301.9 4.24 2 925 754 10.8 -3.2 37 14.0 4.5 285 19 290.4 290.9 281.3 299.9 3.26 3 888 1090 7.0 -4.0 45 11.0 2.2 302 23 289.8 290.4 281.0 299.2 3.20 4 850 1445 4.4 -2.6 60 7.0 1.3 320 27 290.8 291.4 282.0 301.6 3.71 5 764 2307 -0.7 -5.5 70 4.8 -2.7 325 31 294.3 294.8 283.0 304.1 3.32 6 700 3000 -6.5 -10.5 73 4.0 -7.9 330 35 295.3 295.7 282.5 302.7 2.45 7 681 3215 -8.1 -11.8 75 3.7 -9.4 330 37 295.8 296.2 282.5 302.7 2.27 8 668 3365 -6.3 -12.3 62 6.0 -8.4 329 38 299.5 299.9 284.0 306.4 2.22 9 616 3997 -9.1 -20.1 40 11.0 -12.1 328 42 303.3 303.5 284.3 307.3 1.26 10 574 4540 -12.5 -22.5 43 10.0 -15.0 327 46 305.5 305.7 284.9 309.1 1.09 11 500 5580 -20.3 -28.3 49 8.0 -21.8 325 54 308.3 308.4 285.6 310.8 0.74 12 489 5744 -21.9 -29.9 48 8.0 -23.3 326 54 308.3 308.4 285.5 310.5 0.65 13 400 7190 -31.3 -38.3 50 7.0 -32.1 335 56 314.3 314.4 287.3 315.6 0.35 14 392 7333 -31.9 -38.9 50 7.0 -32.6 335 56 315.3 315.4 287.6 316.6 0.34 15 300 9160 -48.1 -56.1 39 8.0 -48.3 340 62 317.6 317.6 288.0 317.8 0.06 16 286 9472 -50.9 -58.9 38 8.0 -51.1 345 68 317.9 318.0 288.1 318.1 0.05 17 266 9937 -55.1 -63.1 36 8.0 -55.2 348 67 318.4 318.5 288.3 318.6 0.03 18 250 10330 -57.5 -65.5 35 8.0 -57.6 350 66 320.6 320.6 288.9 320.7 0.02 19 211 11391 -65.3 -73.3 32 8.0 -65.4 350 62 324.3 324.3 290.1 324.4 0.01 20 200 11720 -64.9 -72.9 32 8.0 -65.0 345 60 330.0 330.0 291.7 330.0 0.01 21 196 11843 -64.3 -72.3 33 8.0 -64.4 345 59 332.9 332.9 292.5 332.9 0.01 22 188 12101 -57.3 -65.3 36 8.0 -57.5 344 57 348.1 348.1 296.3 348.3 0.03 23 150 13530 -55.1 -64.1 32 9.0 -55.4 340 48 375.1 375.2 301.5 375.4 0.05 24 100 16140 -53.7 -67.7 16 14.0 -54.2 335 36 424.0 424.0 308.2 424.2 0.04 25 77 17818 -54.7 -70.7 12 16.0 -55.4 339 35 454.8 454.8 311.3 455.0 0.04 26 70 18430 -53.9 -69.9 12 16.0 -54.6 340 35 469.1 469.1 312.6 469.3 0.04 27 57 19754 -51.5 -70.5 9 19.0 -52.7 340 33 502.9 502.9 315.2 503.2 0.05 28 50 20600 -52.9 -72.9 7 20.0 -54.1 340 31 518.8 518.8 316.2 519.1 0.04 29 34 23086 -55.3 -76.3 6 21.0 -56.6 336 31 573.0 573.0 319.3 573.2 0.04 30 30 23890 -53.9 -74.9 6 21.0 -55.6 335 31 597.7 597.7 320.5 598.1 0.05 31 20 26500 -52.5 -75.5 5 23.0 -55.2 345 35 675.5 675.5 323.6 676.0 0.07 32 19 26832 -51.9 -74.9 5 23.0 -54.8 348 35 687.3 687.4 324.0 688.0 0.08 33 17 27547 -55.3 -78.3 4 23.0 -57.6 353 35 698.6 698.7 324.4 699.1 0.05 34 15 28350 -52.7 -75.7 5 23.0 -55.9 360 35 732.7 732.8 325.4 733.5 0.09 35 11 30338 -55.7 -77.7 5 22.0 -58.8 15 35 789.8 789.8 327.0 790.6 0.09 36 10 30950 -52.3 -75.3 5 23.0 -56.7 20 35 824.3 824.4 327.8 825.7 0.14 37 9.3 31419 -52.9 -75.9 5 23.0 -57.3 839.3 839.4 328.2 840.7 0.14 38 7.4 32905 -49.3 -73.3 4 24.0 -55.8 910.7 910.8 329.7 913.5 0.26 TRP 211 11391 -65.3 -73.3 32 8.0 -65.4 350 62 324.3 324.3 290.1 324.4 0.01 WND 286 9472 -50.9 -58.9 38 8.0 -51.1 345 68 317.9 318.0 288.1 318.1 0.05 Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 775.80 mb = 2188.78 m = 7180.94 ft Wetbulb zero: 821.75 mb = 1718.18 m = 5637.00 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 53.25 % Est. max temperature: 17.52 C = 63.53 F Sfc-Lift cond lev (LCL): 796.17 mb = 1973.74 m = 6475.43 ft T: 1.27 C 700-500 lapse rate: 5.35 C/km ThetaE index: 2.77 C Layer 925.0- 850.0 mb Conv cond level (CCL): 712.12 mb = 2863.99 m = 9396.18 ft Mean mixing ratio: 3.60 g/kg Conv temperature: 21.78 C = 71.20 F Cap Strength: 7.75 C Lifted Index: 8.27 C Risk: None Lifted Index @300 mb: 12.17 C Lifted Index @700 mb: 2.62 C Showalter Index: 7.57 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 108.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.88 J/kg Max Up Vert Vel: 1.33 m/s Conv Inhibition (B-): 57464.17 J/kg Cap Strength: 8.20 C Lift Cond Lev (LCL): 765.57 mb = 2290.48 m = 7514.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 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 ---------------------------------------------------------- 0 998 114 270 3 3.0 -0.0 | 180 27 0.2 27.0 1 925 754 285 19 18.4 -4.9 | 215 27 15.5 22.1 2 850 1445 320 27 17.4 -20.7 | 246 16 14.5 6.3 3 700 3000 330 35 17.5 -30.3 | 283 15 14.7 -3.3 4 500 5580 325 54 31.0 -44.2 | 302 33 28.1 -17.2 5 400 7190 335 56 23.7 -50.8 | 319 32 20.8 -23.8 6 300 9160 340 62 21.2 -58.3 | 330 36 18.4 -31.3 7 286 9472 345 68 17.6 -65.7 | 339 41 14.8 -38.7 8 250 10330 350 66 11.5 -65.0 | 347 39 8.6 -38.0 9 211 11391 350 62 10.8 -61.1 | 347 35 7.9 -34.1 10 200 11720 345 60 15.5 -58.0 | 338 33 12.7 -31.0 11 150 13530 340 48 16.4 -45.1 | 323 23 13.6 -18.1 12 100 16140 335 36 15.2 -32.6 | 294 14 12.4 -5.6 13 70 18430 340 35 12.0 -32.9 | 303 11 9.1 -5.9 14 50 20600 340 31 10.6 -29.1 | 285 8 7.8 -2.1 15 30 23890 335 31 13.1 -28.1 | 276 10 10.3 -1.1 16 20 26500 345 35 9.1 -33.8 | 318 9 6.2 -6.8 17 10 30950 20 35 -12.0 -32.9 | 68 16 -14.8 -5.9 Wind Parameters Mean winds (0-6000m): 324.0 at 36.2 knts Storm direction: 354.0 at 27.1 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 104.3 deg Storm rel helicity (0-3000m) pos: 223.2 neg: 0.0 tot: 223.2 m^2/s^2 ave: 74.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 6.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 118.44 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 ------------------------------------------------------------------------------- 500 283 9 194 26| 12.9 0.0 12.9| 89.8 0.0 89.8 179.7 1.00| 13.0 13.0 1000 289 15 206 25| 10.7 0.0 10.7|154.4 0.0 154.4 154.4 0.93| 12.4 11.5 1500 302 18 217 21| 8.9 0.0 8.9|186.8 0.0 186.8 124.5 0.87| 11.4 9.9 2000 310 21 225 19| 7.4 0.0 7.4|199.0 0.0 199.0 99.5 0.88| 9.4 8.2 2500 314 23 232 17| 6.5 0.0 6.5|211.3 0.0 211.3 84.5 0.89| 8.1 7.2 3000 318 25 239 16| 5.9 0.0 5.9|223.2 0.0 223.2 74.4 0.89| 7.3 6.5 4000 322 29 253 16| 4.4 1.0 5.4|240.4 0.0 240.4 60.1 0.83| 6.5 5.3 5000 323 33 267 17| 3.5 1.5 5.1|254.9 0.0 254.9 51.0 0.76| 5.9 4.5 6000 324 36 277 19| 3.0 1.6 4.6|287.8 0.0 287.8 48.0 0.74| 5.5 4.1 Wrote GIF file: /home/apache/climate/data/raob//U3802/skewt/U3802.skewt.20250418.12.gif