UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 29 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 -24 SFC 985 96 -1.1 -1.7 96 0.6 -1.3 320 5 273.2 273.8 272.6 282.5 3.42 2 962 284 -1.5 -8.5 59 7.0 -3.8 337 15 274.7 275.0 271.4 280.5 2.09 3 925 595 -4.1 -11.1 58 7.0 -6.2 5 31 275.1 275.4 271.2 280.1 1.77 4 850 1257 -7.5 -20.5 35 13.0 -10.5 25 54 278.3 278.4 271.6 280.9 0.88 5 838 1368 -8.1 -24.1 26 16.0 -11.3 25 53 278.8 278.9 271.6 280.7 0.65 6 809 1640 -10.5 -20.5 44 10.0 -12.7 26 51 279.1 279.2 272.2 281.8 0.92 7 752 2205 -8.1 -10.9 80 2.8 -9.0 28 46 287.6 287.9 278.6 294.1 2.21 8 712 2627 -11.3 -14.1 80 2.8 -12.1 30 43 288.6 288.9 278.6 293.9 1.80 9 700 2757 -11.3 -14.0 80 2.7 -12.1 30 42 290.0 290.3 279.3 295.5 1.85 10 612 3782 -13.3 -15.5 83 2.2 -13.9 46 30 299.0 299.4 283.3 304.8 1.87 11 563 4413 -16.9 -19.3 82 2.4 -17.5 56 23 302.0 302.3 284.1 306.7 1.47 12 522 4975 -21.3 -24.1 78 2.8 -21.9 65 17 303.3 303.5 284.1 306.7 1.04 13 500 5290 -24.9 -29.3 67 4.4 -25.6 70 13 302.7 302.8 283.4 304.9 0.68 14 498 5319 -25.1 -29.6 66 4.5 -25.8 70 13 302.8 302.9 283.4 305.0 0.66 15 413 6657 -34.5 -44.5 36 10.0 -35.3 83 18 307.3 307.4 284.5 308.0 0.18 16 400 6880 -36.1 -46.1 35 10.0 -36.8 85 19 308.1 308.1 284.8 308.6 0.15 17 310 8605 -48.7 -58.7 30 10.0 -49.0 107 30 313.8 313.8 286.7 313.9 0.04 18 300 8820 -49.7 -59.7 30 10.0 -50.0 110 31 315.3 315.3 287.2 315.5 0.04 19 286 9128 -51.7 -61.7 29 10.0 -51.9 115 29 316.8 316.8 287.7 316.9 0.03 20 272 9452 -50.3 -60.3 30 10.0 -50.5 122 27 323.4 323.4 289.8 323.6 0.04 21 250 10000 -48.7 -58.7 30 10.0 -49.0 135 23 333.7 333.7 292.7 333.9 0.06 22 200 11480 -46.5 -58.5 24 12.0 -47.0 210 17 359.1 359.2 298.6 359.5 0.07 23 170 12558 -44.9 -57.9 22 13.0 -45.7 210 23 378.9 378.9 302.1 379.3 0.09 24 150 13390 -45.9 -59.9 19 14.0 -46.7 210 27 391.0 391.0 304.0 391.4 0.08 25 100 16070 -49.3 -68.3 9 19.0 -50.2 220 31 432.5 432.5 309.1 432.7 0.04 26 70 18410 -51.1 -74.1 5 23.0 -52.2 235 35 475.1 475.1 313.1 475.2 0.02 27 65 18891 -50.5 -74.5 4 24.0 -51.8 233 32 486.6 486.6 314.0 486.7 0.02 28 56 19852 -53.9 -77.9 4 24.0 -54.9 228 26 500.0 500.0 314.9 500.1 0.02 29 50 20580 -52.7 -76.7 4 24.0 -53.9 225 21 519.3 519.3 316.2 519.4 0.02 30 30 23880 -52.9 -76.9 4 24.0 -54.8 220 5 600.4 600.4 320.6 600.7 0.04 31 27 24561 -52.3 -76.3 4 24.0 -54.5 620.5 620.5 321.5 620.8 0.04 TRP 286 9128 -51.7 -61.7 29 10.0 -51.9 115 29 316.8 316.8 287.7 316.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 69.33 % Est. max temperature: 4.47 C = 40.04 F Sfc-Lift cond lev (LCL): 975.72 mb = 171.78 m = 563.58 ft T: -1.26 C 700-500 lapse rate: 5.37 C/km ThetaE index: 2.41 C Layer 962.0- 850.0 mb Conv cond level (CCL): 577.64 mb = 4218.80 m = 13841.03 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 26.65 C = 79.96 F Cap Strength: 19.46 C Lifted Index: 18.59 C Risk: None Lifted Index @300 mb: 24.64 C Lifted Index @700 mb: 10.95 C Showalter Index: 18.32 C Risk: None Total Totals Index: 21.80 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 4.40 C K Index: -5.80 Risk: None Sweat Index: 121.00 Risk: None Energy Index: 5.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.39 J/kg Max Up Vert Vel: 4.56 m/s Conv Inhibition (B-): 50357.70 J/kg Cap Strength: 19.42 C Lift Cond Lev (LCL): 842.69 mb = 1324.11 m = 4344.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 62 at 24 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 ---------------------------------------------------------- 0 985 96 320 5 3.2 -3.8 | 253 25 24.1 7.4 1 925 595 5 31 -2.7 -30.9 | 317 27 18.2 -19.6 2 850 1257 25 54 -22.8 -48.9 | 3 38 -1.9 -37.7 3 700 2757 30 42 -21.0 -36.4 | 0 25 -0.1 -25.1 4 500 5290 70 13 -12.2 -4.4 | 232 11 8.7 6.8 5 400 6880 85 19 -18.9 -1.7 | 192 10 2.0 9.6 6 300 8820 110 31 -29.1 10.6 | 159 23 -8.2 21.8 7 286 9128 115 29 -26.3 12.3 | 167 24 -5.4 23.5 8 250 10000 135 23 -16.3 16.3 | 190 28 4.7 27.5 9 200 11480 210 17 8.5 14.7 | 229 39 29.4 26.0 10 150 13390 210 27 13.5 23.4 | 225 49 34.4 34.6 11 100 16070 220 31 19.9 23.7 | 229 54 40.8 35.0 12 70 18410 235 35 28.7 20.1 | 238 59 49.6 31.3 13 50 20580 225 21 14.8 14.8 | 234 44 35.8 26.1 14 30 23880 220 5 3.2 3.8 | 238 28 24.1 15.1 Wind Parameters Mean winds (0-6000m): 31.7 at 31.7 knts Storm direction: 61.7 at 23.7 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 110.4 deg Storm rel helicity (0-3000m) pos: 425.9 neg: -9.9 tot: 416.1 m^2/s^2 ave: 138.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 12.9 stream: 9.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.22 Bulk Shear: 48.30 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 ------------------------------------------------------------------------------- 500 359 18 288 22| 28.5 0.0 28.5|209.3 0.0 209.3 418.7 1.00| 30.9 30.8 1000 10 29 317 24| 23.7 0.0 23.7|359.8 0.0 359.8 359.8 0.97| 25.9 25.1 1500 17 37 337 26| 17.0 0.0 17.0|419.3 -0.8 418.5 279.0 0.92| 20.5 18.8 2000 20 40 345 27| 11.7 0.0 11.7|419.3 -3.8 415.5 207.7 0.85| 16.5 14.0 2500 22 41 348 27| 8.6 0.0 8.6|419.3 -8.7 410.6 164.2 0.79| 14.1 11.1 3000 24 41 350 27| 6.4 0.0 6.4|425.9 -9.9 416.1 138.7 0.73| 12.9 9.4 4000 27 39 352 24| 3.5 0.0 3.5|429.4 -11.7 417.7 104.4 0.61| 11.5 7.0 5000 29 35 349 20| 1.8 0.0 1.8|429.4 -18.5 411.0 82.2 0.46| 10.5 4.9 6000 32 32 345 16| 1.6 0.0 1.6|429.4 -27.1 402.3 67.1 0.41| 9.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250429.00.gif