UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 17 APR 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- 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 78 110 1 SFC 997 103 8.0 0.0 57 8.0 4.4 110 1 281.4 282.0 277.7 292.1 3.83 2 950 497 3.8 -4.2 56 8.0 0.6 210 1 281.0 281.5 276.3 289.4 2.94 3 925 713 2.4 -5.6 55 8.0 -0.7 265 1 281.8 282.2 276.4 289.5 2.72 4 858 1316 -0.7 -8.7 55 8.0 -3.6 52 5 284.6 285.0 277.3 291.3 2.31 5 850 1391 -1.5 -9.5 54 8.0 -4.3 70 5 284.6 285.0 277.1 290.9 2.18 6 783 2037 -7.5 -12.5 67 5.0 -9.0 32 3 284.9 285.2 276.9 290.4 1.87 7 780 2067 -5.7 -10.5 69 4.8 -7.3 30 3 287.1 287.5 278.4 293.6 2.20 8 767 2200 -1.3 -13.3 40 12.0 -5.3 22 3 293.3 293.6 280.8 298.7 1.79 9 760 2273 -1.9 -21.9 20 20.0 -7.2 18 3 293.4 293.6 279.6 296.1 0.87 10 700 2923 -4.7 -31.7 10 27.0 -10.2 340 1 297.3 297.3 280.7 298.6 0.38 11 630 3741 -9.5 -30.5 16 21.0 -13.7 338 12 300.9 301.0 282.4 302.5 0.48 12 500 5480 -21.1 -45.1 10 24.0 -23.7 335 35 307.3 307.3 284.5 307.8 0.14 13 445 6331 -26.5 -46.5 13 20.0 -28.3 332 44 310.9 310.9 285.8 311.4 0.13 14 414 6847 -31.5 -49.5 15 18.0 -32.8 331 49 311.0 311.0 285.8 311.4 0.10 15 400 7090 -33.1 -50.1 17 17.0 -34.2 330 52 312.0 312.0 286.2 312.3 0.10 16 312 8798 -44.3 -57.3 22 13.0 -44.7 326 43 319.3 319.3 288.6 319.5 0.05 17 300 9060 -46.9 -59.9 21 13.0 -47.3 325 42 319.3 319.3 288.5 319.4 0.04 18 271 9722 -52.3 -64.3 22 12.0 -52.5 322 40 320.8 320.8 289.0 320.9 0.02 19 250 10240 -53.5 -65.5 22 12.0 -53.7 320 38 326.5 326.5 290.7 326.6 0.02 20 248 10292 -53.7 -65.7 22 12.0 -53.9 319 38 327.0 327.0 290.9 327.1 0.02 21 239 10528 -54.9 -66.9 21 12.0 -55.1 315 38 328.6 328.7 291.3 328.7 0.02 22 234 10664 -53.7 -65.7 22 12.0 -53.9 315 37 332.5 332.5 292.4 332.6 0.02 23 200 11670 -54.7 -67.7 19 13.0 -54.9 315 33 346.1 346.1 295.8 346.2 0.02 24 182 12272 -55.7 -69.7 16 14.0 -55.9 312 30 354.0 354.0 297.5 354.1 0.02 25 151 13477 -50.5 -66.5 13 16.0 -51.0 305 25 382.3 382.3 302.6 382.5 0.03 26 150 13520 -50.9 -66.9 13 16.0 -51.4 305 25 382.4 382.4 302.6 382.5 0.03 27 132 14350 -53.5 -71.5 9 18.0 -53.9 299 23 392.0 392.0 304.1 392.1 0.02 28 100 16140 -53.5 -73.5 7 20.0 -54.1 285 19 424.4 424.4 308.2 424.5 0.02 29 70 18410 -57.3 -78.3 5 21.0 -57.9 295 15 461.8 461.8 312.0 461.9 0.01 30 67 18686 -57.9 -78.9 5 21.0 -58.5 290 15 466.3 466.3 312.3 466.4 0.01 31 62 19176 -55.9 -77.9 5 22.0 -56.6 282 14 481.2 481.2 313.5 481.3 0.02 32 50 20540 -56.7 -78.7 5 22.0 -57.5 260 13 509.9 509.9 315.7 510.0 0.02 33 45 21208 -57.3 -79.3 5 22.0 -58.2 259 14 524.0 524.0 316.5 524.1 0.02 34 40 21959 -53.9 -76.9 4 23.0 -55.2 258 16 550.5 550.5 318.1 550.7 0.03 35 32 23387 -55.7 -78.7 4 23.0 -57.1 256 18 582.0 582.0 319.8 582.1 0.03 36 30 23800 -54.3 -78.3 4 24.0 -55.9 255 19 596.6 596.6 320.5 596.8 0.03 37 24 25234 -51.7 -75.7 4 24.0 -54.2 241 16 643.5 643.5 322.4 643.9 0.05 38 20 26410 -53.1 -77.1 4 24.0 -55.6 230 13 673.6 673.7 323.6 674.1 0.05 39 18 27087 -54.7 -78.7 4 24.0 -57.1 689.2 689.2 324.1 689.6 0.05 40 16 27843 -53.1 -77.1 4 24.0 -56.1 718.0 718.1 325.0 718.6 0.07 TRP 239 10528 -54.9 -66.9 21 12.0 -55.1 315 38 328.6 328.7 291.3 328.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5402.00 m Freezing level: 873.13 mb = 1180.12 m = 3871.74 ft Wetbulb zero: 938.25 mb = 597.93 m = 1961.70 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 30.31 % Est. max temperature: 11.20 C = 52.15 F Sfc-Lift cond lev (LCL): 882.05 mb = 1094.55 m = 3591.00 ft T: 0.44 C 700-500 lapse rate: 6.41 C/km ThetaE index: 2.76 C Layer 950.0- 925.0 mb Conv cond level (CCL): 797.53 mb = 1892.52 m = 6208.99 ft Mean mixing ratio: 3.03 g/kg Conv temperature: 11.45 C = 52.60 F Cap Strength: 12.28 C Lifted Index: 15.03 C Risk: None Lifted Index @300 mb: 20.64 C Lifted Index @700 mb: 10.81 C Showalter Index: 14.45 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 11.60 C K Index: -16.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.62 J/kg Max Up Vert Vel: 3.64 m/s Conv Inhibition (B-): 60374.29 J/kg Cap Strength: 14.84 C Lift Cond Lev (LCL): 836.87 mb = 1513.49 m = 4965.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 9 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 ---------------------------------------------------------- 0 997 103 110 1 -0.9 0.3 | 183 10 0.6 10.0 1 925 713 265 1 1.0 0.1 | 194 10 2.5 9.8 2 850 1391 70 5 -4.7 -1.7 | 158 9 -3.2 8.0 3 700 2923 340 1 0.3 -0.9 | 192 9 1.8 8.7 4 500 5480 335 35 14.8 -31.7 | 324 27 16.3 -22.1 5 400 7090 330 52 26.0 -45.0 | 322 45 27.5 -35.4 6 300 9060 325 42 24.1 -34.4 | 314 36 25.6 -24.7 7 250 10240 320 38 24.4 -29.1 | 307 32 25.9 -19.4 8 239 10528 315 38 26.9 -26.9 | 301 33 28.4 -17.2 9 200 11670 315 33 23.3 -23.3 | 299 28 24.8 -13.7 10 150 13520 305 25 20.5 -14.3 | 282 22 22.0 -4.7 11 100 16140 285 19 18.4 -4.9 | 257 20 19.9 4.7 12 70 18410 295 15 13.6 -6.3 | 258 15 15.1 3.3 13 50 20540 260 13 12.8 2.3 | 230 19 14.3 11.9 14 30 23800 255 19 18.4 4.9 | 234 25 19.9 14.6 15 20 26410 230 13 10.0 8.4 | 212 21 11.5 18.0 Wind Parameters Mean winds (0-6000m): 338.8 at 13.0 knts Storm direction: 8.8 at 9.8 knts Shear (0-3000m) pos: 0.7 neg: 0.9 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 19.2 deg Storm rel helicity (0-3000m) pos: 19.7 neg: -8.9 tot: 10.8 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 25.85 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 ------------------------------------------------------------------------------- 500 138 1 185 10| 1.8 0.0 1.8| 5.0 0.0 5.0 10.1 0.82| 2.3 1.8 1000 337 1 194 9| 1.9 0.0 1.9| 8.4 -1.7 6.7 6.7 0.32| 3.6 1.1 1500 68 2 175 9| 1.3 0.0 1.3| 9.7 -8.8 0.9 0.6 -0.09| 4.6 -0.4 2000 60 3 174 8| 1.0 0.6 1.6| 13.7 -8.8 4.9 2.4 0.06| 4.0 0.2 2500 58 3 174 8| 0.8 0.8 1.6| 16.4 -8.8 7.5 3.0 0.13| 3.6 0.5 3000 58 3 175 8| 0.7 0.9 1.5| 19.7 -8.9 10.8 3.6 0.19| 3.5 0.7 4000 4 4 193 5| 0.5 2.1 2.6| 36.7 -8.9 27.8 7.0 0.43| 4.4 1.9 5000 344 8 246 4| 0.4 3.1 3.5| 51.7 -8.9 42.8 8.6 0.39| 4.9 1.9 6000 339 13 292 7| 0.3 3.5 3.9| 56.3 -9.7 46.6 7.8 0.32| 5.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250417.00.gif