UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 27 APR 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1013 46 0.2 -9.8 47 10.0 -3.0 330 5 272.3 272.6 269.5 277.3 1.79 1 1000 149 -0.7 -12.7 40 12.0 -4.2 345 7 272.5 272.7 269.0 276.5 1.44 2 927 748 -5.9 -14.9 49 9.0 -8.2 14 3 273.1 273.3 269.1 276.8 1.29 3 925 765 -6.1 -15.1 49 9.0 -8.4 15 3 273.1 273.3 269.1 276.7 1.28 4 897 1005 -7.7 -15.7 53 8.0 -9.7 6 4 273.8 274.0 269.5 277.4 1.25 5 850 1422 -9.3 -22.3 34 13.0 -12.0 350 7 276.4 276.5 270.3 278.6 0.75 6 749 2390 -14.1 -30.1 24 16.0 -16.6 330 17 281.4 281.4 272.7 282.7 0.42 7 700 2901 -15.5 -40.5 10 25.0 -18.4 320 23 285.3 285.3 274.5 285.8 0.16 8 696 2944 -15.7 -40.7 10 25.0 -18.6 320 23 285.6 285.6 274.6 286.1 0.16 9 667 3264 -17.1 -43.1 8 26.0 -19.9 321 24 287.5 287.5 275.6 287.9 0.13 10 599 4063 -21.5 -42.5 13 21.0 -23.6 325 28 291.4 291.4 277.6 291.9 0.15 11 500 5370 -30.7 -44.7 24 14.0 -31.7 330 33 295.6 295.6 279.6 296.1 0.14 12 400 6920 -41.5 -57.5 16 16.0 -42.0 335 52 301.1 301.1 281.8 301.2 0.04 13 388 7126 -42.3 -58.3 16 16.0 -42.8 336 59 302.6 302.6 282.5 302.8 0.04 14 378 7301 -43.5 -59.5 15 16.0 -43.9 337 65 303.3 303.3 282.8 303.4 0.03 15 335 8106 -46.9 -62.4 15 15.5 -47.3 340 93 309.3 309.3 285.1 309.4 0.03 16 300 8830 -50.1 -65.1 15 15.0 -50.4 335 69 314.7 314.7 287.0 314.8 0.02 17 280 9283 -48.9 -64.9 14 16.0 -49.3 327 60 322.7 322.7 289.6 322.8 0.02 18 250 10030 -48.5 -64.5 14 16.0 -48.9 315 44 334.0 334.0 292.8 334.1 0.03 19 200 11490 -48.1 -67.1 9 19.0 -48.7 315 36 356.6 356.6 298.0 356.7 0.02 20 150 13390 -48.5 -69.5 7 21.0 -49.2 310 29 386.5 386.5 303.3 386.6 0.02 21 146 13568 -48.3 -69.3 7 21.0 -49.0 308 28 389.8 389.8 303.8 390.0 0.02 22 136 14034 -48.1 -70.1 6 22.0 -48.9 304 27 398.2 398.2 305.0 398.3 0.02 23 100 16040 -51.9 -74.9 5 23.0 -52.7 285 21 427.4 427.5 308.6 427.5 0.01 24 94 16441 -52.7 -75.7 5 23.0 -53.4 287 19 433.5 433.5 309.2 433.6 0.01 25 70 18350 -52.1 -76.1 4 24.0 -53.1 295 7 472.9 472.9 312.9 473.0 0.02 26 50 20530 -51.3 -76.3 4 25.0 -52.8 315 11 522.6 522.6 316.5 522.7 0.02 27 30 23860 -50.5 -77.5 3 27.0 -52.9 255 3 607.0 607.0 320.9 607.2 0.03 28 24 25321 -48.7 -76.7 2 28.0 -52.1 652.2 652.2 322.8 652.6 0.05 29 22 25894 -48.1 -76.1 3 28.0 -51.8 670.4 670.4 323.4 670.9 0.06 TRP 300 8830 -50.1 -65.1 15 15.0 -50.4 335 69 314.7 314.7 287.0 314.8 0.02 WND 335 8106 -46.9 -62.4 15 15.5 -47.3 340 93 309.3 309.3 285.1 309.4 0.03 Sounding variables and indices 1000-500 mb thick: 5221.00 m Freezing level: 1010.11 mb = 68.70 m = 225.38 ft Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 25.14 % Est. max temperature: 3.55 C = 38.38 F Sfc-Lift cond lev (LCL): 866.03 mb = 1277.11 m = 4189.96 ft T: -8.74 C 700-500 lapse rate: 6.16 C/km ThetaE index: 0.83 C Layer 1000.0- 927.0 mb Conv cond level (CCL): 645.35 mb = 3509.34 m = 11513.43 ft Mean mixing ratio: 1.38 g/kg Conv temperature: 16.60 C = 61.89 F Cap Strength: 13.52 C Lifted Index: 15.80 C Risk: None Lifted Index @300 mb: 26.99 C Lifted Index @700 mb: 9.68 C Showalter Index: 14.28 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 8.40 C K Index: -25.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.92 J/kg Max Up Vert Vel: 1.96 m/s Conv Inhibition (B-): 55004.05 J/kg Cap Strength: 15.66 C Lift Cond Lev (LCL): 817.27 mb = 1722.37 m = 5650.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 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 1013 46 330 5 2.5 -4.3 | 191 11 2.1 11.3 1 1000 149 345 7 1.8 -6.8 | 189 9 1.4 8.9 2 925 765 15 3 -0.8 -2.9 | 175 13 -1.2 12.7 3 850 1422 350 7 1.2 -6.9 | 185 9 0.8 8.7 4 700 2901 320 23 14.8 -17.6 | 278 15 14.4 -2.0 5 500 5370 330 33 16.5 -28.6 | 309 21 16.1 -13.0 6 400 6920 335 52 22.0 -47.1 | 326 38 21.6 -31.5 7 335 8106 340 93 31.8 -87.4 | 336 78 31.4 -71.8 8 300 8830 335 69 29.2 -62.5 | 328 55 28.8 -46.9 9 250 10030 315 44 31.1 -31.1 | 297 34 30.7 -15.5 10 200 11490 315 36 25.5 -25.5 | 291 27 25.1 -9.8 11 150 13390 310 29 22.2 -18.6 | 278 22 21.8 -3.0 12 100 16040 285 21 20.3 -5.4 | 243 22 19.9 10.2 13 70 18350 295 7 6.3 -3.0 | 205 14 6.0 12.7 14 50 20530 315 11 7.8 -7.8 | 223 11 7.4 7.8 15 30 23860 255 3 2.9 0.8 | 189 17 2.5 16.4 Wind Parameters Mean winds (0-6000m): 328.6 at 20.8 knts Storm direction: 358.6 at 15.6 knts Shear (0-3000m) pos: 0.5 neg: 3.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 89.5 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -7.4 tot: 20.5 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 32.12 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 ------------------------------------------------------------------------------- 500 350 6 184 10| 2.9 0.0 2.9| 0.0 -6.4 -6.4 -12.8 -0.43| 5.8 -2.5 1000 355 5 180 11| 1.5 0.1 1.6| 0.8 -7.4 -6.6 -6.6 -0.28| 4.5 -1.3 1500 354 5 181 10| 1.0 1.5 2.4| 6.4 -7.4 -1.0 -0.6 -0.01| 4.4 -0.1 2000 348 7 186 9| 0.7 2.6 3.3| 14.6 -7.4 7.2 3.6 0.26| 4.8 1.3 2500 340 9 199 8| 0.6 3.3 3.8| 22.5 -7.4 15.1 6.0 0.36| 5.1 1.9 3000 332 11 218 8| 0.5 3.5 4.0| 27.9 -7.4 20.5 6.8 0.35| 5.2 1.8 4000 328 14 245 8| 0.6 2.7 3.3| 44.0 -7.4 36.6 9.1 0.42| 4.4 1.9 5000 328 18 266 9| 0.9 2.1 3.1| 61.9 -7.4 54.6 10.9 0.47| 4.0 1.9 6000 329 21 282 11| 1.6 1.8 3.3| 92.8 -7.4 85.5 14.2 0.47| 4.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250427.12.gif