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 X1538... Searching the city database file for: X1538 ... Date:1200Z 18 APR 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 19 SFC 962 344 12.6 -6.4 26 19.0 4.6 110 1 288.9 289.4 279.6 296.2 2.46 2 937 564 11.8 -4.2 32 16.0 4.8 120 14 290.3 290.8 280.9 299.1 2.98 3 925 672 10.4 -5.6 32 16.0 3.6 125 21 289.9 290.4 280.4 297.9 2.72 4 850 1366 4.0 -7.0 44 11.0 -0.4 135 15 290.3 290.8 280.6 298.2 2.66 5 761 2251 -4.7 -9.0 72 4.3 -6.2 124 20 290.3 290.7 280.4 297.8 2.54 6 732 2557 -6.1 -9.2 79 3.1 -7.2 120 21 292.0 292.4 281.2 299.7 2.60 7 713 2763 -4.5 -6.6 85 2.1 -5.3 117 22 295.9 296.5 283.7 305.7 3.27 8 702 2886 -5.3 -7.2 86 1.9 -6.0 115 23 296.4 296.9 283.8 305.9 3.17 9 700 2908 -5.5 -7.4 86 1.9 -6.2 115 23 296.4 297.0 283.7 305.8 3.13 10 616 3903 -9.9 -12.1 84 2.2 -10.6 128 26 302.4 302.8 285.3 310.0 2.45 11 500 5480 -20.7 -23.9 75 3.2 -21.4 150 31 307.8 308.0 285.8 311.5 1.11 12 400 7090 -32.7 -36.0 72 3.3 -33.1 155 19 312.5 312.6 286.8 314.0 0.44 13 387 7322 -34.3 -37.9 70 3.6 -34.7 153 20 313.4 313.4 287.0 314.7 0.38 14 300 9050 -49.7 -53.8 62 4.1 -49.8 140 27 315.3 315.3 287.3 315.6 0.08 15 250 10210 -60.1 -64.1 59 4.0 -60.2 140 35 316.7 316.7 287.7 316.8 0.03 16 247 10285 -60.9 -64.7 61 3.8 -60.9 145 36 316.6 316.6 287.6 316.7 0.03 17 222 10958 -55.5 -59.6 60 4.1 -55.6 173 24 334.7 334.7 293.0 335.0 0.06 18 200 11630 -52.1 -56.4 60 4.3 -52.2 200 13 350.3 350.3 296.8 350.7 0.09 19 191 11928 -50.7 -54.9 61 4.2 -50.9 210 14 357.2 357.2 298.2 357.7 0.12 20 150 13490 -52.3 -58.3 48 6.0 -52.5 265 19 380.0 380.0 302.3 380.4 0.10 21 100 16110 -54.5 -63.5 32 9.0 -54.9 275 9 422.4 422.4 308.0 422.8 0.07 22 70 18380 -55.3 -66.3 24 11.0 -55.9 250 15 466.1 466.1 312.3 466.5 0.07 23 54 20031 -57.5 -69.5 20 12.0 -58.1 262 7 496.9 496.9 314.8 497.3 0.06 24 50 20520 -55.5 -68.5 18 13.0 -56.3 265 5 512.7 512.7 315.8 513.2 0.08 25 34 22984 -54.5 -68.5 16 14.0 -55.8 575.1 575.1 319.5 575.9 0.11 TRP 247 10285 -60.9 -64.7 61 3.8 -60.9 145 36 316.6 316.6 287.6 316.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5461.00 m Freezing level: 809.08 mb = 1773.06 m = 5817.04 ft Wetbulb zero: 857.29 mb = 1295.86 m = 4251.47 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 68.80 % Est. max temperature: 13.99 C = 57.18 F Sfc-Lift cond lev (LCL): 719.91 mb = 2687.48 m = 8817.07 ft T: -5.09 C 700-500 lapse rate: 5.91 C/km ThetaE index: 1.12 C Layer 925.0- 850.0 mb Conv cond level (CCL): 601.39 mb = 4084.38 m = 13400.04 ft Mean mixing ratio: 2.72 g/kg Conv temperature: 26.54 C = 79.77 F Cap Strength: 7.89 C Lifted Index: 9.69 C Risk: None Lifted Index @300 mb: 12.33 C Lifted Index @700 mb: 5.09 C Showalter Index: 9.51 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 13.70 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.83 J/kg Max Up Vert Vel: 2.38 m/s Conv Inhibition (B-): 33317.21 J/kg Cap Strength: 9.62 C Lift Cond Lev (LCL): 723.26 mb = 2650.95 m = 8697.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 165 at 17 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 ---------------------------------------------------------- 0 962 344 110 1 -0.9 0.3 | 347 17 3.7 -16.5 1 925 672 125 21 -17.2 12.0 | 69 13 -12.6 -4.8 2 850 1366 135 15 -10.6 10.6 | 44 9 -6.0 -6.2 3 700 2908 115 23 -20.8 9.7 | 66 18 -16.2 -7.1 4 500 5480 150 31 -15.5 26.8 | 133 15 -10.9 10.0 5 400 7090 155 19 -8.0 17.2 | 96 3 -3.4 0.4 6 300 9050 140 27 -17.4 20.7 | 107 13 -12.7 3.8 7 250 10210 140 35 -22.5 26.8 | 119 20 -17.9 10.0 8 247 10285 145 36 -20.6 29.5 | 128 20 -16.0 12.6 9 200 11630 200 13 4.4 12.2 | 297 10 9.1 -4.6 10 150 13490 265 19 18.9 1.7 | 303 28 23.5 -15.2 11 100 16110 275 9 9.0 -0.8 | 322 22 13.6 -17.6 12 70 18380 250 15 14.1 5.1 | 302 22 18.7 -11.7 13 50 20520 265 5 5.0 0.4 | 330 19 9.6 -16.4 Wind Parameters Mean winds (0-6000m): 134.7 at 23.3 knts Storm direction: 164.7 at 17.5 knts Shear (0-3000m) pos: 2.8 neg: 1.7 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 87.7 deg Storm rel helicity (0-3000m) pos: 91.3 neg: -11.0 tot: 80.3 m^2/s^2 ave: 26.8 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 12.21 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 ------------------------------------------------------------------------------- 500 125 14 39 11| 19.1 0.0 19.1| 66.8 -1.6 65.1 130.2 0.88| 21.6 19.1 1000 128 16 48 11| 7.3 0.0 7.3| 66.8 -11.0 55.7 55.7 0.58| 13.3 7.7 1500 129 16 49 10| 4.9 1.0 5.9| 71.8 -11.0 60.8 40.5 0.59| 9.8 5.8 2000 128 17 52 11| 3.7 1.6 5.3| 76.4 -11.0 65.4 32.7 0.58| 8.2 4.7 2500 125 18 56 12| 2.9 2.0 4.9| 79.0 -11.0 68.0 27.2 0.54| 7.3 3.9 3000 124 19 59 13| 2.8 1.7 4.5| 91.3 -11.0 80.3 26.8 0.56| 6.6 3.7 4000 125 20 67 13| 2.8 1.2 4.0|119.5 -11.0 108.5 27.1 0.63| 5.9 3.7 5000 130 22 79 13| 2.8 1.0 3.8|148.9 -11.0 137.9 27.6 0.68| 5.5 3.7 6000 135 23 88 12| 1.9 0.8 2.7|152.9 -14.0 139.0 23.2 0.60| 5.2 3.1 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20250418.12.gif