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 X1873... Searching the city database file for: X1873 ... Date:1200Z 18 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 61 225 3 SFC 995 102 5.4 3.8 89 1.6 4.6 225 3 278.9 279.8 278.0 292.8 5.05 2 925 695 2.4 0.1 85 2.3 1.4 255 11 281.8 282.5 278.3 293.4 4.16 3 850 1373 -1.5 -3.6 86 2.1 -2.3 255 13 284.6 285.2 278.8 294.4 3.44 4 830 1562 -2.5 -4.4 87 1.9 -3.3 255 13 285.5 286.0 279.1 295.0 3.32 5 769 2168 -2.7 -4.1 90 1.4 -3.3 255 13 291.5 292.2 282.3 302.3 3.67 6 700 2911 -5.1 -7.0 86 1.9 -5.8 255 13 296.8 297.4 284.0 306.5 3.23 7 695 2967 -5.1 -7.0 86 1.9 -5.8 253 13 297.4 298.0 284.3 307.2 3.25 8 543 4866 -16.7 -19.3 80 2.6 -17.4 195 18 305.4 305.7 285.4 310.3 1.53 9 500 5480 -21.7 -24.8 76 3.1 -22.3 175 19 306.6 306.8 285.3 310.0 1.02 10 428 6603 -29.9 -33.4 71 3.5 -30.3 172 26 310.1 310.2 286.0 311.9 0.53 11 400 7080 -34.1 -38.1 67 4.0 -34.5 170 29 310.7 310.7 286.0 311.9 0.36 12 318 8638 -47.5 -51.2 66 3.7 -47.6 166 44 313.1 313.2 286.6 313.5 0.11 13 300 9020 -49.7 -53.6 63 3.9 -49.8 165 48 315.3 315.3 287.3 315.6 0.09 14 274 9608 -53.1 -57.1 62 4.0 -53.2 185 29 318.7 318.7 288.4 318.9 0.06 15 268 9751 -51.5 -55.4 63 3.9 -51.6 193 27 323.0 323.0 289.8 323.3 0.08 16 250 10200 -52.5 -56.8 60 4.3 -52.6 220 19 328.0 328.0 291.2 328.3 0.07 17 200 11660 -49.9 -54.9 56 5.0 -50.1 265 19 353.8 353.8 297.5 354.2 0.11 18 192 11926 -49.5 -54.5 56 5.0 -49.7 265 20 358.5 358.6 298.5 359.1 0.12 19 158 13186 -53.3 -60.3 42 7.0 -53.5 265 27 372.7 372.7 301.1 373.0 0.07 20 150 13520 -52.7 -59.7 42 7.0 -52.9 265 29 379.3 379.3 302.2 379.7 0.08 21 107 15696 -53.1 -62.1 33 9.0 -53.5 269 26 417.0 417.0 307.4 417.4 0.08 22 100 16130 -55.1 -64.1 32 9.0 -55.5 270 25 421.3 421.3 307.9 421.6 0.07 23 93 16593 -57.1 -65.1 36 8.0 -57.4 267 24 426.2 426.2 308.4 426.5 0.06 24 70 18390 -58.7 -67.7 30 9.0 -59.0 255 19 458.8 458.8 311.7 459.2 0.06 25 69 18480 -58.7 -67.7 30 9.0 -59.0 256 19 460.7 460.7 311.8 461.0 0.06 26 57 19683 -56.9 -66.9 27 10.0 -57.5 267 15 490.7 490.7 314.3 491.2 0.08 27 50 20510 -57.7 -67.7 27 10.0 -58.3 275 13 507.5 507.5 315.5 508.0 0.08 28 32 23323 -59.5 -69.5 26 10.0 -60.2 314 13 571.8 571.8 319.3 572.5 0.10 29 30 23730 -56.7 -66.7 27 10.0 -57.7 320 13 590.1 590.1 320.2 591.3 0.16 30 29 23945 -55.7 -65.7 28 10.0 -56.8 598.6 598.6 320.6 600.0 0.19 31 20 26315 -55.1 -65.1 28 10.0 -56.6 667.5 667.6 323.4 670.0 0.30 TRP 274 9608 -53.1 -57.1 62 4.0 -53.2 185 29 318.7 318.7 288.4 318.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5419.00 m Freezing level: 878.85 mb = 1112.23 m = 3649.01 ft Wetbulb zero: 897.22 mb = 939.52 m = 3082.38 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 84.70 % Est. max temperature: 11.24 C = 52.23 F Sfc-Lift cond lev (LCL): 970.77 mb = 302.41 m = 992.15 ft T: 4.39 C 700-500 lapse rate: 6.46 C/km Conv cond level (CCL): 883.40 mb = 1063.98 m = 3490.70 ft Mean mixing ratio: 4.42 g/kg Conv temperature: 9.74 C = 49.54 F Cap Strength: 11.96 C Lifted Index: 12.09 C Risk: None Lifted Index @300 mb: 15.67 C Lifted Index @700 mb: 8.42 C Showalter Index: 11.27 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 18.10 C K Index: 14.70 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.93 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 48466.52 J/kg Cap Strength: 12.10 C Lift Cond Lev (LCL): 914.93 mb = 782.77 m = 2568.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 11 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 ---------------------------------------------------------- 0 995 102 225 3 2.1 2.1 | 79 8 -8.1 -1.5 1 925 695 255 11 10.6 2.8 | 333 1 0.4 -0.8 2 850 1373 255 13 12.6 3.4 | 277 2 2.3 -0.3 3 700 2911 255 13 12.6 3.4 | 277 2 2.3 -0.3 4 500 5480 175 19 -1.7 18.9 | 142 19 -11.9 15.3 5 400 7080 170 29 -5.0 28.6 | 149 29 -15.3 24.9 6 300 9020 165 48 -12.4 46.4 | 152 48 -22.6 42.7 7 274 9608 185 29 2.5 28.9 | 163 26 -7.7 25.2 8 250 10200 220 19 12.2 14.6 | 190 11 2.0 10.9 9 200 11660 265 19 18.9 1.7 | 283 9 8.7 -2.0 10 150 13520 265 29 28.9 2.5 | 273 19 18.7 -1.1 11 100 16130 270 25 25.0 -0.0 | 284 15 14.8 -3.7 12 70 18390 255 19 18.4 4.9 | 261 8 8.1 1.3 13 50 20510 275 13 13.0 -1.1 | 330 6 2.7 -4.8 14 30 23730 320 13 8.4 -10.0 | 8 14 -1.9 -13.6 Wind Parameters Mean winds (0-6000m): 220.3 at 14.5 knts Storm direction: 250.3 at 10.9 knts Shear (0-3000m) pos: 1.7 neg: 0.3 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 164.7 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -1.9 tot: -0.2 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 2.1 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.13 Bulk Shear: 11.39 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 ------------------------------------------------------------------------------- 500 247 6 74 5| 7.4 0.0 7.4| 1.7 -0.3 1.4 2.9 0.05| 7.6 0.4 1000 252 9 62 2| 5.0 0.0 5.0| 1.7 -0.8 0.9 0.9 -0.22| 5.3 -1.2 1500 253 10 33 1| 3.3 0.3 3.6| 1.7 -1.0 0.7 0.5 -0.24| 3.8 -0.9 2000 254 11 341 1| 2.5 0.2 2.7| 1.7 -1.0 0.7 0.3 -0.24| 2.9 -0.7 2500 254 11 310 1| 2.0 0.2 2.2| 1.7 -1.0 0.7 0.3 -0.24| 2.3 -0.5 3000 254 12 296 1| 1.7 0.3 2.0| 1.7 -1.9 -0.2 -0.1 -0.32| 2.1 -0.7 4000 248 12 231 2| 1.2 1.2 2.5| 1.7 -9.2 -7.5 -1.9 -0.45| 2.7 -1.2 5000 235 13 191 4| 1.0 1.8 2.8| 1.7 -28.3 -26.6 -5.3 -0.50| 3.1 -1.5 6000 220 14 173 7| 0.8 2.1 2.9| 8.8 -40.5 -31.8 -5.3 -0.43| 3.3 -1.4 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250418.12.gif