UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for X1736... Searching the city database file for: X1736 ... Date:0000Z 18 OCT 25 Station: X1736 WMO ident: 31736 Latitude: 48.53 Longitude: 135.23 ------------------------------------------------------------------------------- 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 1013 75 -1.5 -3.6 86 2.1 -2.3 270 3 270.6 271.1 270.2 278.5 2.89 1 1000 177 -3.1 -5.6 83 2.5 -4.0 280 3 270.0 270.5 269.2 276.9 2.51 2 933 722 -7.5 -9.7 84 2.2 -8.1 271 7 271.0 271.3 268.9 276.4 1.96 3 925 789 -7.9 -10.0 85 2.1 -8.5 270 7 271.2 271.5 269.0 276.6 1.93 4 850 1443 -10.7 -12.9 84 2.2 -11.3 300 7 274.9 275.2 270.9 279.6 1.66 5 700 2918 -16.7 -19.8 77 3.1 -17.4 295 13 284.0 284.2 275.3 287.4 1.13 6 542 4802 -25.3 -30.0 65 4.7 -26.0 280 34 295.3 295.4 280.1 297.2 0.58 7 500 5380 -30.5 -35.5 62 5.0 -31.0 275 40 295.9 295.9 280.0 297.1 0.37 8 477 5713 -33.3 -38.3 61 5.0 -33.7 272 47 296.4 296.5 280.2 297.4 0.29 9 449 6140 -32.3 -38.3 55 6.0 -32.9 268 57 302.8 302.9 283.0 303.9 0.31 10 400 6950 -36.3 -42.3 54 6.0 -36.8 260 75 307.8 307.9 284.8 308.6 0.23 11 339 8086 -42.7 -48.7 52 6.0 -43.0 257 88 314.0 314.0 286.9 314.5 0.14 12 300 8910 -44.5 -50.5 51 6.0 -44.8 255 97 322.6 322.7 289.7 323.1 0.12 13 291 9113 -44.5 -50.5 51 6.0 -44.8 254 101 325.5 325.5 290.6 326.0 0.13 14 269 9636 -46.8 -52.8 50 6.0 -47.1 250 110 329.5 329.5 291.7 329.9 0.11 15 261 9835 -47.7 -53.7 50 6.0 -47.9 250 108 331.0 331.1 292.1 331.4 0.10 16 250 10120 -46.3 -52.3 51 6.0 -46.6 250 104 337.2 337.3 293.7 337.7 0.12 17 245 10254 -45.9 -51.9 51 6.0 -46.2 250 103 339.8 339.8 294.4 340.3 0.13 18 200 11600 -47.7 -53.7 50 6.0 -48.0 255 93 357.2 357.3 298.2 357.8 0.13 19 196 11734 -47.7 -53.7 50 6.0 -48.0 255 92 359.3 359.3 298.7 359.9 0.13 20 150 13480 -53.3 -59.3 48 6.0 -53.5 255 81 378.2 378.3 302.0 378.6 0.09 21 111 15406 -56.5 -63.5 41 7.0 -56.8 262 70 406.3 406.3 306.1 406.6 0.07 22 108 15580 -55.1 -62.1 42 7.0 -55.4 263 69 412.1 412.1 306.8 412.5 0.08 23 100 16070 -56.7 -63.7 41 7.0 -57.0 265 66 418.2 418.2 307.6 418.6 0.07 24 96 16328 -57.7 -63.7 46 6.0 -57.9 263 65 421.1 421.2 307.9 421.5 0.08 25 80 17486 -53.9 -60.9 42 7.0 -54.4 256 58 451.5 451.5 311.1 452.2 0.13 26 70 18340 -55.3 -62.3 41 7.0 -55.7 250 54 466.1 466.1 312.4 466.8 0.13 27 69 18432 -55.9 -62.9 41 7.0 -56.3 251 54 466.7 466.7 312.4 467.4 0.12 28 62 19123 -50.5 -57.5 43 7.0 -51.2 255 50 493.2 493.3 314.6 494.7 0.26 29 50 20510 -56.9 -63.9 41 7.0 -57.4 265 44 509.4 509.4 315.7 510.3 0.14 30 40 21924 -56.7 -63.7 41 7.0 -57.3 543.5 543.5 317.8 544.7 0.18 31 34 22965 -52.3 -59.3 43 7.0 -53.4 580.9 581.0 319.8 583.6 0.38 TRP 261 9835 -47.7 -53.7 50 6.0 -47.9 250 108 331.0 331.1 292.1 331.4 0.10 WND 269 9636 -46.8 -52.8 50 6.0 -47.1 250 110 329.5 329.5 291.7 329.9 0.11 Sounding variables and indices 1000-500 mb thick: 5203.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 75.84 % Est. max temperature: 2.14 C = 35.84 F Sfc-Lift cond lev (LCL): 980.10 mb = 334.97 m = 1098.97 ft T: -4.38 C 700-500 lapse rate: 5.61 C/km ThetaE index: 2.08 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 912.11 mb = 897.54 m = 2944.66 ft Mean mixing ratio: 2.23 g/kg Conv temperature: -0.30 C = 31.46 F Cap Strength: 16.05 C Lifted Index: 15.97 C Risk: None Lifted Index @300 mb: 32.53 C Lifted Index @700 mb: 8.42 C Showalter Index: 13.72 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 17.60 C K Index: 3.80 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.33 J/kg Max Up Vert Vel: 2.94 m/s Conv Inhibition (B-): 45027.51 J/kg Cap Strength: 16.06 C Lift Cond Lev (LCL): 928.67 mb = 758.13 m = 2487.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 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 1013 75 270 3 3.0 -0.0 | 138 13 -8.8 9.7 1 1000 177 280 3 3.0 -0.5 | 136 13 -8.9 9.2 2 925 789 270 7 7.0 -0.0 | 154 11 -4.8 9.7 3 850 1443 300 7 6.1 -3.5 | 137 8 -5.8 6.2 4 700 2918 295 13 11.8 -5.5 | 180 4 -0.0 4.2 5 500 5380 275 40 39.8 -3.5 | 257 29 28.0 6.2 6 400 6950 260 75 73.9 13.0 | 250 66 62.0 22.8 7 300 8910 255 97 93.7 25.1 | 247 89 81.9 34.8 8 269 9636 250 110 103.4 37.6 | 243 103 91.6 47.4 9 261 9835 250 108 101.5 36.9 | 243 101 89.7 46.7 10 250 10120 250 104 97.7 35.6 | 242 97 85.9 45.3 11 200 11600 255 93 89.8 24.1 | 247 85 78.0 33.8 12 150 13480 255 81 78.2 21.0 | 245 73 66.4 30.7 13 100 16070 265 66 65.7 5.8 | 254 56 53.9 15.5 14 70 18340 250 54 50.7 18.5 | 234 48 38.9 28.2 15 50 20510 265 44 43.8 3.8 | 247 35 32.0 13.6 Wind Parameters Mean winds (0-6000m): 279.5 at 20.4 knts Storm direction: 309.5 at 15.3 knts Shear (0-3000m) pos: 0.9 neg: 1.2 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 65.7 deg Storm rel helicity (0-3000m) pos: 18.4 neg: -7.5 tot: 11.0 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 35.54 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 ------------------------------------------------------------------------------- 500 276 4 140 12| 2.7 0.0 2.7| 6.7 -1.3 5.4 10.9 0.56| 3.2 1.8 1000 274 5 145 11| 2.1 0.0 2.1| 10.5 -3.5 7.0 7.0 0.37| 3.1 1.1 1500 282 6 145 10| 1.8 0.0 1.8| 10.9 -7.5 3.4 2.3 0.08| 2.9 0.2 2000 287 7 145 10| 1.3 0.5 1.8| 12.9 -7.5 5.4 2.7 0.17| 2.7 0.5 2500 290 7 146 9| 1.1 0.8 1.9| 15.0 -7.5 7.5 3.0 0.26| 2.6 0.7 3000 291 8 149 8| 0.9 1.2 2.1| 18.4 -7.5 11.0 3.7 0.40| 2.7 1.1 4000 290 11 168 6| 0.7 2.4 3.0| 28.7 -7.5 21.2 5.3 0.44| 3.5 1.5 5000 285 15 208 7| 0.5 3.1 3.6| 30.5 -9.6 21.0 4.2 0.31| 4.0 1.3 6000 279 20 233 10| 0.4 4.2 4.7| 30.5 -27.7 2.8 0.5 0.17| 5.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//X1736/skewt/X1736.skewt.20251018.00.gif