UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 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 58 360 1 SFC 995 100 10.0 -1.0 46 11.0 5.1 360 1 283.6 284.2 278.4 293.7 3.57 2 992 125 12.0 2.0 50 10.0 7.1 4 1 285.8 286.6 280.6 298.4 4.45 3 925 706 8.2 -3.8 42 12.0 3.1 100 9 287.7 288.2 279.9 296.7 3.12 4 850 1396 2.4 -5.6 55 8.0 -0.8 125 11 288.7 289.2 280.1 297.3 2.96 5 833 1559 1.0 -7.0 55 8.0 -2.1 140 11 288.9 289.3 279.9 296.8 2.71 6 831 1578 1.0 -7.0 55 8.0 -2.1 142 11 289.1 289.5 280.0 297.0 2.72 7 776 2131 3.6 -34.4 4 38.0 -4.8 193 12 297.6 297.6 280.7 298.5 0.27 8 773 2162 3.4 -34.6 4 38.0 -5.0 196 12 297.7 297.7 280.7 298.6 0.26 9 700 2961 -0.5 -21.5 19 21.0 -6.6 270 13 301.9 302.1 283.4 305.1 0.98 10 639 3682 -3.3 -21.3 23 18.0 -8.6 269 10 306.7 306.9 285.4 310.3 1.09 11 500 5570 -15.3 -31.3 24 16.0 -18.5 265 3 314.4 314.5 287.5 316.3 0.56 12 497 5615 -15.7 -31.7 24 16.0 -18.8 264 3 314.4 314.5 287.5 316.3 0.54 13 400 7220 -23.7 -37.7 26 14.0 -25.8 245 21 324.2 324.3 290.5 325.6 0.37 14 312 8793 -33.3 -45.3 29 12.0 -34.4 246 19 334.7 334.7 293.2 335.5 0.21 15 35 22931 -51.3 -69.3 10 18.0 -53.1 254 6 578.7 578.7 319.6 579.4 0.10 16 30 23920 -51.7 -69.7 10 18.0 -53.7 255 5 603.7 603.7 320.8 604.5 0.11 17 24 25359 -54.7 -73.7 8 19.0 -56.5 269 12 634.8 634.8 322.1 635.3 0.07 18 20 26530 -53.1 -73.1 7 20.0 -55.6 280 17 673.6 673.7 323.6 674.4 0.10 19 18 27208 -53.5 -73.5 7 20.0 -56.1 693.0 693.0 324.2 693.9 0.10 TRP WND Sounding variables and indices 1000-500 mb thick: 5512.00 m Freezing level: 709.36 mb = 2858.63 m = 9378.58 ft Wetbulb zero: 865.53 mb = 1248.30 m = 4095.41 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 28.63 % Est. max temperature: 15.15 C = 59.28 F Sfc-Lift cond lev (LCL): 841.09 mb = 1480.89 m = 4858.51 ft T: 1.67 C 700-500 lapse rate: 5.67 C/km ThetaE index: 1.70 C Layer 925.0- 850.0 mb Conv cond level (CCL): 578.32 mb = 4449.92 m = 14599.31 ft Mean mixing ratio: 3.57 g/kg Conv temperature: 36.30 C = 97.34 F Cap Strength: 12.85 C Lifted Index: 15.56 C Risk: None Lifted Index @300 mb: 28.91 C Lifted Index @700 mb: 10.50 C Showalter Index: 15.56 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 17.70 C Cross Totals Index: 9.70 C K Index: -8.90 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 4.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.11 J/kg Max Up Vert Vel: 4.03 m/s Conv Inhibition (B-): 62265.51 J/kg Cap Strength: 15.36 C Lift Cond Lev (LCL): 798.78 mb = 1897.47 m = 6225.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 7 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 ---------------------------------------------------------- 0 995 100 360 1 -0.0 -1.0 | 87 7 -6.6 -0.3 1 925 706 100 9 -8.9 1.6 | 98 16 -15.4 2.2 2 850 1396 125 11 -9.0 6.3 | 114 17 -15.6 7.0 3 700 2961 270 13 13.0 -0.0 | 264 6 6.4 0.7 4 500 5570 265 3 3.0 0.3 | 104 4 -3.6 0.9 5 400 7220 245 21 19.0 8.9 | 233 16 12.5 9.5 6 30 23920 255 5 4.8 1.3 | 139 3 -1.7 1.9 7 20 26530 280 17 16.7 -3.0 | 283 10 10.2 -2.3 Wind Parameters Mean winds (0-6000m): 245.7 at 8.8 knts Storm direction: 275.7 at 6.6 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 176.2 deg Storm rel helicity (0-3000m) pos: 128.3 neg: -3.2 tot: 125.1 m^2/s^2 ave: 41.7 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.38 Bulk Shear: 21.31 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 94 4 95 11| 7.7 0.0 7.7| 9.9 -3.1 6.8 13.6 0.16| 9.5 1.5 1000 102 7 99 13| 5.4 0.0 5.4| 30.0 -3.1 27.0 27.0 0.43| 7.6 3.3 1500 113 8 105 15| 4.1 0.0 4.1| 55.3 -3.1 52.2 34.8 0.59| 7.1 4.1 2000 129 9 115 15| 3.3 0.0 3.3| 89.9 -3.1 86.8 43.4 0.70| 7.7 5.4 2500 144 10 124 15| 2.7 0.0 2.7|114.9 -3.1 111.8 44.7 0.74| 8.2 6.1 3000 153 10 131 15| 2.1 0.0 2.1|128.3 -3.2 125.1 41.7 0.77| 8.2 6.3 4000 217 10 178 9| 1.6 0.5 2.1|128.3 -4.4 123.9 31.0 0.69| 6.6 4.6 5000 239 10 196 6| 1.3 0.8 2.1|128.3 -5.5 122.9 24.6 0.59| 5.7 3.4 6000 246 9 199 5| 1.1 0.4 1.4|130.7 -5.9 124.8 20.8 0.58| 5.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250417.12.gif