UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 20 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 ------------------------------------------------------------------------------- SFC 1000 107 7.2 1.2 66 6.0 4.5 250 1 280.4 281.1 277.6 291.9 4.17 1 995 148 10.0 5.0 71 5.0 7.5 254 2 283.6 284.5 280.8 298.9 5.49 2 925 745 5.4 -2.6 56 8.0 2.0 305 15 284.8 285.4 278.9 294.6 3.41 3 891 1050 3.2 -6.8 48 10.0 -0.6 309 18 285.6 286.1 278.2 293.1 2.57 4 850 1430 0.2 -7.8 55 8.0 -2.8 315 21 286.4 286.8 278.4 293.6 2.50 5 742 2500 -9.1 -11.7 81 2.6 -9.9 308 31 287.6 287.9 278.5 293.8 2.10 6 738 2542 -9.5 -12.2 81 2.7 -10.4 308 32 287.6 287.9 278.4 293.6 2.03 7 716 2777 -8.1 -13.1 67 5.0 -9.6 306 34 291.6 292.0 280.2 297.5 1.94 8 700 2952 -8.5 -14.5 62 6.0 -10.3 305 36 293.1 293.4 280.7 298.5 1.77 9 585 4323 -17.3 -23.3 60 6.0 -18.6 310 40 298.2 298.4 282.0 301.4 1.00 10 564 4597 -17.5 -23.5 59 6.0 -18.8 311 41 301.1 301.3 283.2 304.4 1.02 11 500 5490 -23.5 -34.5 36 11.0 -25.0 315 44 304.4 304.5 283.7 305.8 0.41 12 479 5802 -25.7 -37.7 32 12.0 -27.1 314 44 305.4 305.5 284.0 306.5 0.31 13 400 7080 -35.9 -46.9 31 11.0 -36.6 310 44 308.3 308.4 284.9 308.8 0.14 14 326 8470 -46.5 -57.5 28 11.0 -46.8 310 50 312.3 312.3 286.2 312.5 0.05 15 300 9020 -47.5 -59.5 24 12.0 -47.9 310 52 318.4 318.4 288.3 318.6 0.04 16 283 9402 -49.3 -61.3 23 12.0 -49.6 310 60 321.2 321.2 289.2 321.3 0.04 17 280 9471 -49.4 -61.5 23 12.1 -49.7 315 62 322.0 322.1 289.4 322.2 0.03 18 261 9929 -49.9 -62.9 20 13.0 -50.2 312 56 327.8 327.8 291.1 327.9 0.03 19 250 10210 -48.7 -62.7 18 14.0 -49.1 310 52 333.7 333.7 292.7 333.8 0.03 20 246 10317 -48.1 -62.1 18 14.0 -48.5 310 52 336.1 336.1 293.4 336.3 0.04 21 206 11486 -50.9 -65.9 15 15.0 -51.2 306 50 349.2 349.2 296.5 349.3 0.03 22 200 11680 -50.1 -65.1 15 15.0 -50.5 305 50 353.4 353.4 297.4 353.6 0.03 23 168 12815 -49.7 -66.7 12 17.0 -50.3 302 43 372.2 372.2 300.9 372.3 0.03 24 150 13550 -52.1 -69.1 11 17.0 -52.5 300 38 380.3 380.3 302.3 380.4 0.02 25 120 14984 -55.9 -73.9 9 18.0 -56.3 294 38 398.4 398.4 305.0 398.5 0.01 26 112 15428 -52.1 -70.1 10 18.0 -52.7 293 38 413.4 413.4 306.9 413.6 0.03 27 100 16160 -53.5 -72.5 8 19.0 -54.1 290 38 424.4 424.4 308.2 424.5 0.02 28 73 18166 -58.9 -77.9 7 19.0 -59.3 268 28 452.9 452.9 311.1 453.0 0.01 29 70 18430 -59.7 -77.7 8 18.0 -60.1 265 27 456.7 456.7 311.5 456.7 0.01 30 63 19085 -61.5 -79.5 7 18.0 -61.9 268 23 466.7 466.7 312.4 466.7 0.01 31 61 19286 -58.3 -77.3 7 19.0 -58.9 269 22 478.1 478.1 313.3 478.2 0.02 32 50 20540 -56.7 -75.7 7 19.0 -57.5 275 15 509.9 509.9 315.7 510.0 0.03 33 30 23780 -54.9 -74.9 7 20.0 -56.4 315 7 595.0 595.0 320.4 595.3 0.05 34 27 24452 -57.1 -77.1 6 20.0 -58.4 305 8 607.0 607.0 320.9 607.3 0.04 35 20 26360 -56.3 -76.3 6 20.0 -58.1 275 9 663.8 663.9 323.2 664.3 0.06 36 16 27783 -54.7 -74.7 7 20.0 -57.2 712.8 712.9 324.8 713.6 0.10 37 13 29127 -49.5 -71.5 6 22.0 -54.1 774.4 774.5 326.7 776.2 0.19 TRP 283 9402 -49.3 -61.3 23 12.0 -49.6 310 60 321.2 321.2 289.2 321.3 0.04 WND 280 9471 -49.4 -61.5 23 12.1 -49.7 315 62 322.0 322.1 289.4 322.2 0.03 Sounding variables and indices 1000-500 mb thick: 5383.14 m Freezing level: 847.68 mb = 1453.02 m = 4767.06 ft Wetbulb zero: 899.24 mb = 975.02 m = 3198.85 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 59.94 % Est. max temperature: 13.21 C = 55.77 F Sfc-Lift cond lev (LCL): 912.13 mb = 859.14 m = 2818.68 ft T: 4.58 C 700-500 lapse rate: 5.91 C/km ThetaE index: 5.78 C Layer 925.0- 850.0 mb Conv cond level (CCL): 828.27 mb = 1633.94 m = 5360.63 ft Mean mixing ratio: 4.12 g/kg Conv temperature: 13.46 C = 56.23 F Cap Strength: 6.91 C Lifted Index: 8.36 C Risk: None Lifted Index @300 mb: 16.00 C Lifted Index @700 mb: 3.32 C Showalter Index: 10.03 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 15.70 C K Index: 9.90 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.26 J/kg Max Up Vert Vel: 4.30 m/s Conv Inhibition (B-): 55.46 J/kg Cap Strength: 8.17 C Lift Cond Lev (LCL): 856.71 mb = 1366.57 m = 4483.44 ft Lev Free Conv (LFC): 761.71 mb = 2293.78 m = 7525.44 ft Equ Level (EL): 731.71 mb = 2608.40 m = 8557.62 ft B at Equ Level: 8.15 J/kg Max Parcel Lev (MPL): 711.71 mb = 2823.22 m = 9262.41 ft Wind level data Storm motion: 340 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 1000 107 250 1 0.9 0.3 | 163 24 -7.1 22.9 1 1000 103 250 1 0.9 0.3 | 163 24 -7.1 22.9 2 925 745 305 15 12.3 -8.6 | 197 15 4.3 14.0 3 850 1430 315 21 14.8 -14.8 | 222 10 6.8 7.7 4 700 2952 305 36 29.5 -20.6 | 265 22 21.5 1.9 5 500 5490 315 44 31.1 -31.1 | 290 25 23.1 -8.6 6 400 7080 310 44 33.7 -28.3 | 283 26 25.7 -5.7 7 300 9020 310 52 39.8 -33.4 | 289 34 31.8 -10.9 8 283 9402 310 60 46.0 -38.6 | 293 41 37.9 -16.0 9 280 9471 315 62 43.8 -43.8 | 301 42 35.8 -21.3 10 250 10210 310 52 39.8 -33.4 | 289 34 31.8 -10.9 11 200 11680 305 50 41.0 -28.7 | 281 33 32.9 -6.1 12 150 13550 300 38 32.9 -19.0 | 262 25 24.9 3.6 13 100 16160 290 38 35.7 -13.0 | 251 29 27.7 9.6 14 70 18430 265 27 26.9 2.4 | 217 31 18.9 24.9 15 50 20540 275 15 14.9 -1.3 | 198 22 6.9 21.2 16 30 23780 315 7 4.9 -4.9 | 170 18 -3.1 17.6 17 20 26360 275 9 9.0 -0.8 | 182 22 0.9 21.8 Wind Parameters Mean winds (0-6000m): 310.4 at 31.9 knts Storm direction: 340.4 at 23.9 knts Shear (0-3000m) pos: 3.8 neg: 2.5 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 125.5 neg: 0.0 tot: 125.5 m^2/s^2 ave: 41.8 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 86.13 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 ------------------------------------------------------------------------------- 500 303 6 172 19| 11.5 0.0 11.5| 59.0 0.0 59.0 117.9 0.84| 12.5 10.4 1000 305 11 184 16| 9.1 0.0 9.1| 77.6 0.0 77.6 77.6 0.76| 10.1 7.7 1500 309 14 192 14| 7.6 0.0 7.6| 90.2 0.0 90.2 60.1 0.78| 8.5 6.6 2000 310 17 203 13| 5.7 1.3 7.1|103.3 0.0 103.3 51.7 0.78| 7.7 6.0 2500 310 20 215 12| 4.6 2.1 6.7|115.1 0.0 115.1 46.1 0.75| 7.2 5.4 3000 308 22 227 13| 3.8 2.5 6.3|125.5 0.0 125.5 41.8 0.72| 6.7 4.8 4000 308 26 243 14| 3.3 1.8 5.2|148.8 0.0 148.8 37.2 0.74| 5.6 4.1 5000 309 29 255 15| 3.0 1.5 4.5|173.6 0.0 173.6 34.7 0.76| 4.9 3.7 6000 310 32 263 16| 2.6 1.3 3.9|183.4 -8.6 174.7 29.1 0.72| 4.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250420.12.gif