UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 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 42 90 3 SFC 993 100 8.2 0.2 57 8.0 4.6 90 3 281.9 282.6 278.1 292.9 3.90 2 970 294 11.0 -2.0 40 13.0 5.2 116 8 286.6 287.2 279.7 296.4 3.40 3 925 689 9.4 -5.6 34 15.0 3.1 170 17 288.9 289.4 280.0 296.9 2.72 4 911 815 9.2 -5.8 34 15.0 2.9 174 18 290.0 290.5 280.4 298.0 2.72 5 882 1083 8.4 -4.6 39 13.0 2.8 181 19 291.8 292.4 281.7 300.9 3.08 6 850 1387 6.0 -5.0 45 11.0 1.3 190 21 292.4 293.0 282.0 301.6 3.10 7 729 2627 -2.1 -4.9 81 2.8 -3.3 174 23 296.7 297.4 284.4 307.6 3.64 8 722 2704 -3.1 -6.2 79 3.1 -4.4 173 23 296.4 297.0 284.0 306.4 3.33 9 700 2949 -2.7 -8.7 63 6.0 -5.0 170 23 299.5 300.0 284.6 308.1 2.83 10 681 3167 -2.5 -10.5 54 8.0 -5.5 171 23 302.1 302.5 285.3 309.9 2.52 11 666 3343 -3.3 -14.3 42 11.0 -7.1 172 23 303.1 303.5 285.0 309.1 1.90 12 542 4928 -16.7 -22.7 60 6.0 -18.1 181 21 305.5 305.8 285.1 309.3 1.14 13 524 5181 -17.7 -22.7 65 5.0 -18.9 183 21 307.3 307.5 285.7 311.2 1.18 14 500 5530 -19.3 -25.3 59 6.0 -20.6 185 21 309.5 309.7 286.3 312.8 0.98 15 476 5894 -21.5 -27.5 58 6.0 -22.7 187 22 311.2 311.3 286.8 314.0 0.84 16 400 7150 -31.7 -38.7 50 7.0 -32.4 195 27 313.8 313.9 287.1 315.0 0.34 17 344 8196 -40.5 -46.5 52 6.0 -40.9 200 28 315.7 315.7 287.5 316.3 0.17 18 300 9110 -49.3 -56.3 44 7.0 -49.5 205 29 315.9 315.9 287.5 316.1 0.06 19 250 10280 -59.9 -66.9 40 7.0 -60.0 195 29 317.0 317.0 287.8 317.1 0.02 20 240 10534 -61.3 -68.3 39 7.0 -61.4 195 29 318.6 318.6 288.3 318.7 0.02 21 238 10585 -61.3 -69.3 34 8.0 -61.4 196 29 319.4 319.4 288.6 319.5 0.01 22 227 10880 -58.7 -66.7 35 8.0 -58.8 204 27 327.7 327.7 291.1 327.8 0.02 23 200 11680 -55.5 -63.5 36 8.0 -55.6 225 23 344.9 344.9 295.5 345.0 0.04 24 198 11744 -55.5 -63.5 36 8.0 -55.6 226 23 345.9 345.9 295.7 346.0 0.04 25 192 11941 -52.3 -61.3 33 9.0 -52.5 230 23 354.1 354.1 297.5 354.3 0.05 26 150 13530 -53.7 -65.7 22 12.0 -54.0 260 25 377.5 377.6 301.9 377.7 0.04 27 117 15131 -52.3 -68.3 13 16.0 -52.8 245 16 407.9 407.9 306.3 408.1 0.03 28 100 16140 -54.9 -71.9 10 17.0 -55.4 235 11 421.7 421.7 307.9 421.8 0.02 29 70 18410 -57.5 -76.5 7 19.0 -58.0 240 7 461.4 461.4 311.9 461.5 0.02 30 67 18686 -58.7 -77.7 7 19.0 -59.2 243 8 464.6 464.6 312.2 464.7 0.01 31 56 19822 -55.3 -75.3 7 20.0 -56.1 257 11 496.8 496.8 314.7 496.9 0.02 32 51 20415 -58.1 -78.1 6 20.0 -58.7 264 13 503.7 503.7 315.2 503.8 0.02 33 50 20540 -57.9 -77.9 6 20.0 -58.6 265 13 507.0 507.0 315.4 507.1 0.02 34 42 21641 -56.5 -77.5 5 21.0 -57.5 270 11 536.4 536.4 317.3 536.6 0.02 35 35 22791 -58.5 -79.5 5 21.0 -59.4 275 9 559.9 559.9 318.6 560.1 0.02 36 33 23163 -55.5 -77.5 5 22.0 -56.8 277 8 577.4 577.4 319.5 577.6 0.03 37 30 23770 -55.7 -77.7 5 22.0 -57.1 280 7 592.8 592.8 320.3 593.0 0.03 38 24 25185 -57.7 -79.7 4 22.0 -59.1 274 13 626.0 626.1 321.7 626.3 0.03 39 20 26350 -52.3 -75.3 5 23.0 -55.1 270 17 676.1 676.1 323.7 676.7 0.07 40 15 28207 -53.1 -77.1 4 24.0 -56.3 260 16 731.4 731.4 325.4 732.0 0.07 41 10 30850 -47.9 -73.9 3 26.0 -54.1 245 15 840.7 840.8 328.2 842.5 0.17 42 9.2 31402 -46.5 -72.5 4 26.0 -53.5 866.4 866.5 328.8 868.9 0.23 TRP 240 10534 -61.3 -68.3 39 7.0 -61.4 195 29 318.6 318.6 288.3 318.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 760.37 mb = 2305.49 m = 7563.87 ft Wetbulb zero: 815.35 mb = 1723.07 m = 5653.06 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 53.99 % Est. max temperature: 18.93 C = 66.07 F Sfc-Lift cond lev (LCL): 878.57 mb = 1115.12 m = 3658.47 ft T: 8.15 C 700-500 lapse rate: 6.43 C/km ThetaE index: 1.19 C Layer 722.0- 700.0 mb Conv cond level (CCL): 606.42 mb = 4063.77 m = 13332.43 ft Mean mixing ratio: 3.10 g/kg Conv temperature: 30.56 C = 87.00 F Cap Strength: 10.80 C Lifted Index: 11.97 C Risk: None Lifted Index @300 mb: 13.61 C Lifted Index @700 mb: 8.65 C Showalter Index: 8.57 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 14.30 C K Index: 14.30 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.44 J/kg Max Up Vert Vel: 6.85 m/s Conv Inhibition (B-): 56075.97 J/kg Cap Strength: 11.56 C Lift Cond Lev (LCL): 767.31 mb = 2213.39 m = 7261.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 15 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 ---------------------------------------------------------- 0 993 100 90 3 -3.0 0.0 | 37 17 -10.4 -13.5 1 925 689 170 17 -3.0 16.7 | 107 11 -10.3 3.2 2 850 1387 190 21 3.6 20.7 | 152 8 -3.7 7.1 3 700 2949 170 23 -4.0 22.7 | 129 15 -11.4 9.1 4 500 5530 185 21 1.8 20.9 | 143 9 -5.5 7.4 5 400 7150 195 27 7.0 26.1 | 178 13 -0.4 12.5 6 300 9110 205 29 12.3 26.3 | 201 14 4.9 12.7 7 250 10280 195 29 7.5 28.0 | 181 14 0.1 14.5 8 240 10534 195 29 7.5 28.0 | 181 14 0.1 14.5 9 200 11680 225 23 16.3 16.3 | 253 9 8.9 2.7 10 150 13530 260 25 24.6 4.3 | 298 20 17.3 -9.2 11 100 16140 235 11 9.0 6.3 | 347 7 1.6 -7.2 12 70 18410 240 7 6.1 3.5 | 7 10 -1.3 -10.0 13 50 20540 265 13 13.0 1.1 | 336 14 5.6 -12.4 14 30 23770 280 7 6.9 -1.2 | 2 15 -0.5 -14.8 15 20 26350 270 17 17.0 -0.0 | 325 17 9.6 -13.5 16 10 30850 245 15 13.6 6.3 | 319 10 6.2 -7.2 Wind Parameters Mean winds (0-6000m): 178.5 at 20.5 knts Storm direction: 208.5 at 15.4 knts Shear (0-3000m) pos: 3.7 neg: 1.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 92.0 deg Storm rel helicity (0-3000m) pos: 92.3 neg: -13.2 tot: 79.1 m^2/s^2 ave: 26.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.13 Bulk Shear: 20.76 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 ------------------------------------------------------------------------------- 500 159 9 64 12| 14.4 0.0 14.4| 64.1 0.0 64.1 128.2 0.93| 16.6 15.5 1000 170 13 88 10| 10.1 0.0 10.1| 84.7 0.0 84.7 84.7 0.91| 12.6 11.5 1500 178 16 105 8| 7.5 0.0 7.5| 91.8 -1.3 90.5 60.3 0.87| 9.9 8.6 2000 180 17 116 8| 5.6 0.6 6.3| 91.8 -5.1 86.7 43.4 0.75| 8.1 6.1 2500 179 18 122 9| 4.5 1.0 5.5| 91.8 -9.6 82.2 32.9 0.65| 7.0 4.6 3000 178 19 124 10| 3.7 1.1 4.9| 92.3 -13.2 79.1 26.4 0.59| 6.1 3.6 4000 177 20 126 11| 2.8 0.8 3.7| 96.4 -13.2 83.2 20.8 0.59| 4.9 2.9 5000 177 20 129 11| 2.3 0.7 3.0| 99.7 -13.2 86.5 17.3 0.58| 4.2 2.4 6000 179 21 132 11| 2.1 0.6 2.7|106.9 -13.2 93.7 15.6 0.60| 3.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250418.00.gif