UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 16 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 -5 SFC 987 102 5.4 -6.6 42 12.0 0.9 290 9 279.6 280.0 274.7 286.3 2.36 2 982 143 3.6 -9.4 38 13.0 -0.9 290 10 278.2 278.5 273.2 283.6 1.91 3 925 625 -0.7 -10.7 47 10.0 -3.9 295 21 278.6 278.9 273.3 283.8 1.82 4 921 660 -1.3 -11.3 46 10.0 -4.4 295 21 278.3 278.6 273.1 283.3 1.75 5 850 1296 -4.3 -12.3 54 8.0 -6.7 295 17 281.6 281.9 274.9 286.7 1.75 6 767 2094 -11.7 -16.7 66 5.0 -12.9 303 15 282.1 282.3 274.6 286.0 1.35 7 764 2124 -10.9 -15.9 67 5.0 -12.2 303 15 283.2 283.5 275.3 287.5 1.45 8 732 2455 -7.9 -23.9 26 16.0 -11.5 307 14 290.0 290.1 277.9 292.4 0.76 9 700 2801 -9.3 -39.3 7 30.0 -13.8 310 13 292.2 292.2 278.0 292.8 0.18 10 696 2845 -9.9 -39.9 7 30.0 -14.3 310 13 292.0 292.0 277.9 292.6 0.17 11 654 3323 -12.5 -43.5 6 31.0 -16.4 315 12 294.3 294.3 279.0 294.7 0.12 12 602 3948 -18.1 -37.1 17 19.0 -20.6 321 10 294.9 294.9 279.4 295.8 0.26 13 516 5083 -25.7 -42.7 19 17.0 -27.3 333 8 299.0 299.0 281.1 299.6 0.17 14 510 5167 -26.1 -43.1 19 17.0 -27.7 334 7 299.5 299.5 281.4 300.1 0.17 15 500 5310 -27.7 -41.7 25 14.0 -29.0 335 7 299.3 299.3 281.3 299.9 0.20 16 476 5661 -30.1 -40.1 37 10.0 -31.0 338 7 300.5 300.6 281.9 301.4 0.24 17 408 6735 -39.1 -51.1 27 12.0 -39.6 349 9 302.5 302.5 282.5 302.8 0.09 18 400 6870 -39.7 -51.7 27 12.0 -40.2 350 9 303.4 303.4 282.9 303.7 0.08 19 340 7965 -45.7 -56.7 28 11.0 -46.0 345 25 309.7 309.7 285.2 309.9 0.05 20 330 8164 -44.7 -55.7 28 11.0 -45.1 345 27 313.7 313.7 286.7 313.9 0.06 21 300 8800 -45.1 -58.1 22 13.0 -45.5 345 33 321.8 321.8 289.3 322.0 0.05 22 250 10020 -44.9 -61.9 13 17.0 -45.5 340 33 339.3 339.3 294.2 339.5 0.04 23 200 11510 -46.7 -67.7 7 21.0 -47.3 340 23 358.8 358.8 298.5 358.9 0.02 24 181 12172 -45.5 -68.5 6 23.0 -46.3 333 21 371.2 371.2 300.8 371.3 0.02 25 178 12283 -46.3 -69.3 6 23.0 -47.1 332 21 371.6 371.6 300.9 371.7 0.02 26 165 12783 -48.7 -71.7 5 23.0 -49.3 327 19 375.8 375.8 301.6 375.8 0.01 27 150 13410 -47.5 -71.5 5 24.0 -48.3 320 17 388.2 388.2 303.5 388.3 0.02 28 148 13499 -47.1 -71.1 5 24.0 -48.0 320 17 390.4 390.4 303.9 390.5 0.02 29 121 14817 -52.3 -76.3 4 24.0 -52.9 315 14 404.0 404.0 305.7 404.1 0.01 30 100 16050 -52.1 -76.1 4 24.0 -52.8 310 11 427.1 427.1 308.5 427.1 0.01 31 70 18340 -54.7 -78.7 4 24.0 -55.5 260 9 467.4 467.4 312.4 467.4 0.01 32 50 20490 -55.9 -79.9 3 24.0 -56.8 260 7 511.7 511.8 315.8 511.8 0.01 33 48 20748 -56.7 -79.7 4 23.0 -57.6 257 7 515.8 515.9 316.1 515.9 0.01 34 40 21913 -52.3 -76.3 4 24.0 -53.9 245 9 554.5 554.5 318.3 554.7 0.03 35 30 23770 -52.1 -76.1 4 24.0 -54.2 225 11 602.6 602.6 320.7 602.9 0.04 36 25 24947 -54.3 -78.3 4 24.0 -56.2 234 15 628.5 628.6 321.9 628.8 0.03 37 20 26380 -54.1 -78.1 4 24.0 -56.5 245 21 670.6 670.6 323.4 670.9 0.05 38 14 28685 -50.9 -74.9 4 24.0 -54.9 753.4 753.5 326.1 754.4 0.11 TRP 340 7965 -45.7 -56.7 28 11.0 -46.0 345 25 309.7 309.7 285.2 309.9 0.05 WND Sounding variables and indices 1000-500 mb thick: 5315.00 m Freezing level: 934.28 mb = 546.58 m = 1793.23 ft Wetbulb zero: 984.44 mb = 123.05 m = 403.70 ft Precipitable water: 0.20 inches Sfc-500 mean rel hum: 30.73 % Est. max temperature: 7.52 C = 45.53 F Sfc-Lift cond lev (LCL): 819.71 mb = 1577.77 m = 5176.36 ft T: -6.91 C 700-500 lapse rate: 7.33 C/km ThetaE index: 2.67 C Layer 982.0- 925.0 mb Conv cond level (CCL): 625.87 mb = 3654.70 m = 11990.33 ft Mean mixing ratio: 1.83 g/kg Conv temperature: 20.38 C = 68.69 F Cap Strength: 13.49 C Lifted Index: 13.18 C Risk: None Lifted Index @300 mb: 26.89 C Lifted Index @700 mb: 10.48 C Showalter Index: 11.01 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 15.40 C K Index: -18.90 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.98 J/kg Max Up Vert Vel: 3.16 m/s Conv Inhibition (B-): 59620.98 J/kg Cap Strength: 13.50 C Lift Cond Lev (LCL): 790.09 mb = 1863.64 m = 6114.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 9 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 ---------------------------------------------------------- 0 987 102 290 9 8.5 -3.1 | 223 7 5.1 5.5 1 925 625 295 21 19.0 -8.9 | 271 16 15.7 -0.3 2 850 1296 295 17 15.4 -7.2 | 263 12 12.0 1.4 3 700 2801 310 13 10.0 -8.4 | 268 7 6.6 0.2 4 500 5310 335 7 3.0 -6.3 | 170 2 -0.4 2.2 5 400 6870 350 9 1.6 -8.9 | 81 2 -1.8 -0.3 6 340 7965 345 25 6.5 -24.1 | 349 16 3.1 -15.6 7 300 8800 345 33 8.5 -31.9 | 347 24 5.2 -23.3 8 250 10020 340 33 11.3 -31.0 | 341 24 7.9 -22.4 9 200 11510 340 23 7.9 -21.6 | 341 14 4.5 -13.0 10 150 13410 320 17 10.9 -13.0 | 300 9 7.6 -4.5 11 100 16050 310 11 8.4 -7.1 | 254 5 5.1 1.5 12 70 18340 260 9 8.9 1.6 | 208 12 5.5 10.1 13 50 20490 260 7 6.9 1.2 | 200 10 3.5 9.8 14 30 23770 225 11 7.8 7.8 | 195 17 4.4 16.3 15 20 26380 245 21 19.0 8.9 | 222 23 15.7 17.4 Wind Parameters Mean winds (0-6000m): 308.6 at 12.3 knts Storm direction: 338.6 at 9.2 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 45.2 deg Storm rel helicity (0-3000m) pos: 25.7 neg: -6.0 tot: 19.8 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.02 Bulk Shear: 2.46 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 ------------------------------------------------------------------------------- 500 293 15 255 11| 11.9 0.0 11.9| 23.1 0.0 23.1 46.1 0.72| 11.9 8.6 1000 294 17 263 12| 4.7 0.0 4.7| 23.5 -4.0 19.5 19.5 0.52| 7.2 3.8 1500 295 17 264 12| 2.5 0.0 2.5| 24.4 -5.9 18.5 12.3 0.43| 5.6 2.4 2000 296 17 264 12| 1.7 0.0 1.7| 25.4 -5.9 19.5 9.7 0.41| 4.7 1.9 2500 298 16 264 11| 1.2 0.0 1.2| 25.7 -5.9 19.8 7.9 0.38| 4.1 1.6 3000 299 16 265 10| 0.9 0.0 0.9| 25.7 -6.0 19.8 6.6 0.35| 3.7 1.3 4000 303 15 265 9| 0.7 0.0 0.7| 25.7 -6.7 19.0 4.8 0.27| 3.2 0.9 5000 305 13 263 8| 0.6 0.0 0.6| 25.7 -7.9 17.8 3.6 0.16| 2.8 0.5 6000 309 12 262 6| 0.7 0.0 0.7| 25.7 -8.6 17.2 2.9 0.10| 2.5 0.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250416.00.gif