UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 2 DEC 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 134 SFC 971 351 -22.1 -28.1 58 6.0 -22.7 250 1 253.2 253.2 252.3 254.2 0.39 2 925 706 -24.3 -29.3 63 5.0 -24.8 290 13 254.5 254.5 253.4 255.5 0.37 3 897 930 -25.9 -30.9 63 5.0 -26.3 294 14 255.1 255.1 253.8 256.0 0.32 4 850 1321 -24.3 -29.1 64 4.8 -24.8 300 15 260.7 260.8 258.6 261.8 0.41 5 813 1645 -24.5 -29.3 64 4.8 -25.0 305 17 263.8 263.9 261.0 265.0 0.42 6 801 1754 -21.7 -26.7 64 5.0 -22.4 306 18 267.9 268.0 264.3 269.5 0.54 7 700 2739 -24.9 -32.9 47 8.0 -25.8 320 25 274.9 275.0 268.6 276.0 0.34 8 632 3478 -27.1 -36.1 42 9.0 -27.9 347 18 280.6 280.6 272.0 281.4 0.28 9 618 3639 -28.3 -38.3 38 10.0 -29.2 353 17 281.0 281.0 272.1 281.7 0.23 10 542 4567 -34.3 -41.3 49 7.0 -34.8 28 8 284.6 284.6 274.1 285.2 0.19 11 515 4924 -34.3 -41.3 49 7.0 -34.8 42 5 288.8 288.8 276.3 289.4 0.20 12 500 5130 -36.1 -43.1 48 7.0 -36.5 50 3 289.0 289.1 276.5 289.6 0.17 13 456 5762 -41.7 -47.7 52 6.0 -41.9 54 8 289.7 289.7 276.7 290.1 0.11 14 400 6640 -47.3 -53.3 50 6.0 -47.4 60 15 293.5 293.5 278.5 293.8 0.07 15 364 7257 -52.5 -58.5 48 6.0 -52.6 294.6 294.6 279.0 294.7 0.04 TRP WND Sounding variables and indices 1000-500 mb thick: 4996.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 52.35 % Est. max temperature: -12.23 C = 9.99 F Sfc-Lift cond lev (LCL): 878.83 mb = 1078.37 m = 3537.92 ft T: -25.29 C 700-500 lapse rate: 4.68 C/km ThetaE index: 0.00 C Layer 971.0--8725724135424.0 mb Conv cond level (CCL): 502.75 mb = 5091.76 m = 16705.04 ft Mean mixing ratio: 0.36 g/kg Conv temperature: 13.40 C = 56.13 F Cap Strength: 27.26 C Lifted Index: 27.28 C Risk: None Lifted Index @700 mb: 17.56 C Showalter Index: 22.36 C Risk: None Total Totals Index: 18.80 C Risk: None Vertical Totals Index: 11.80 C Cross Totals Index: 7.00 C K Index: -25.30 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 5.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.67 J/kg Max Up Vert Vel: 5.42 m/s Conv Inhibition (B-): 5296.48 J/kg Cap Strength: 27.30 C Lift Cond Lev (LCL): 843.34 mb = 1378.29 m = 4521.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 10 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 ---------------------------------------------------------- 0 971 351 250 1 0.9 0.3 | 180 11 -0.1 10.6 1 925 706 290 13 12.2 -4.4 | 243 13 11.2 5.8 2 850 1321 300 15 13.0 -7.5 | 257 12 12.0 2.7 3 700 2739 320 25 16.1 -19.2 | 301 18 15.1 -8.9 4 500 5130 50 3 -2.3 -1.9 | 158 9 -3.3 8.3 5 400 6640 60 15 -13.0 -7.5 | 101 14 -14.0 2.7 Wind Parameters Mean winds (0-6000m): 324.4 at 13.7 knts Storm direction: 354.4 at 10.3 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 151.1 deg Storm rel helicity (0-3000m) pos: 117.6 neg: 0.0 tot: 117.6 m^2/s^2 ave: 39.2 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.62 Bulk Shear: 9.08 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 ------------------------------------------------------------------------------- 500 289 9 225 10| 13.1 0.0 13.1| 42.2 0.0 42.2 84.3 0.99| 14.2 14.1 1000 294 12 240 11| 7.5 0.0 7.5| 50.9 0.0 50.9 50.9 0.99| 8.5 8.4 1500 298 13 250 11| 6.2 0.0 6.2| 64.0 0.0 64.0 42.7 0.98| 7.1 6.9 2000 303 15 260 12| 5.6 0.0 5.6| 79.3 0.0 79.3 39.7 0.96| 6.4 6.2 2500 308 17 271 12| 4.9 0.0 4.9| 99.0 0.0 99.0 39.6 0.94| 6.3 5.9 3000 313 18 278 12| 3.3 0.0 3.3|117.6 0.0 117.6 39.2 0.87| 6.7 5.8 4000 318 17 284 11| 1.4 0.0 1.4|134.0 0.0 134.0 33.5 0.87| 6.7 5.8 5000 317 15 273 9| 0.6 0.0 0.6|145.6 -3.6 142.0 28.4 0.82| 6.4 5.2 6000 324 14 277 7| 1.2 0.0 1.2|145.6 -21.2 124.4 20.7 0.63| 6.0 3.7 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251202.12.gif