UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for X1736... Searching the city database file for: X1736 ... Date:1200Z 20 APR 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 1001 71 6.6 3.0 78 3.6 4.9 20 3 279.7 280.5 278.0 292.7 4.74 1 1000 79 6.8 4.5 85 2.3 5.7 20 3 280.0 280.8 278.8 294.4 5.28 2 925 715 2.4 -1.1 78 3.5 0.9 310 9 281.8 282.4 277.9 292.4 3.81 3 850 1393 -1.9 -4.3 84 2.4 -2.9 330 11 284.2 284.7 278.4 293.5 3.27 4 759 2285 -7.1 -9.4 84 2.3 -7.9 353 10 287.9 288.3 279.1 295.1 2.47 5 700 2913 -10.5 -13.7 77 3.2 -11.5 10 9 290.9 291.2 279.8 296.6 1.89 6 660 3364 -13.1 -17.7 68 4.6 -14.3 14 11 292.9 293.1 280.1 297.3 1.44 7 619 3851 -16.5 -22.5 60 6.0 -17.8 19 13 294.4 294.6 280.3 297.6 1.01 8 500 5420 -28.9 -33.9 62 5.0 -29.5 35 19 297.8 297.9 281.0 299.2 0.43 9 410 6802 -40.5 -45.1 61 4.6 -40.8 15 17 300.2 300.3 281.7 300.8 0.17 10 400 6970 -38.5 -43.3 61 4.8 -38.8 5 19 305.0 305.0 283.7 305.7 0.21 11 397 7022 -38.7 -43.5 60 4.8 -39.0 3 19 305.3 305.4 283.8 306.1 0.20 12 335 8183 -40.9 -49.9 37 9.0 -41.4 328 26 317.5 317.6 288.1 318.0 0.12 13 300 8930 -43.7 -54.7 29 11.0 -44.2 305 31 323.8 323.8 290.0 324.1 0.08 14 281 9366 -46.3 -58.3 24 12.0 -46.7 305 29 326.1 326.2 290.7 326.4 0.05 15 250 10140 -46.3 -60.3 19 14.0 -46.8 305 25 337.2 337.2 293.7 337.4 0.05 16 234 10581 -45.7 -60.7 17 15.0 -46.3 304 24 344.6 344.6 295.4 344.8 0.05 17 213 11204 -48.3 -64.3 14 16.0 -48.8 301 24 349.9 349.9 296.7 350.1 0.03 18 200 11620 -47.3 -63.3 14 16.0 -47.9 300 23 357.9 357.9 298.3 358.0 0.04 19 191 11926 -46.5 -63.5 13 17.0 -47.1 296 22 363.9 363.9 299.5 364.1 0.04 20 150 13520 -50.9 -68.9 10 18.0 -51.4 275 17 382.4 382.4 302.6 382.5 0.02 21 106 15757 -55.1 -74.1 8 19.0 -55.6 284 20 414.3 414.3 307.0 414.4 0.02 22 100 16130 -53.3 -72.3 8 19.0 -53.9 285 21 424.7 424.7 308.3 424.9 0.02 23 84 17253 -53.3 -72.3 8 19.0 -54.0 287 19 446.5 446.5 310.6 446.6 0.03 24 70 18420 -55.7 -74.7 8 19.0 -56.3 290 17 465.2 465.2 312.3 465.3 0.02 25 57 19725 -56.9 -75.9 7 19.0 -57.6 490.7 490.7 314.3 490.8 0.02 TRP 410 6802 -40.5 -45.1 61 4.6 -40.8 15 17 300.2 300.3 281.7 300.8 0.17 WND Sounding variables and indices 1000-500 mb thick: 5341.00 m Freezing level: 883.14 mb = 1093.42 m = 3587.29 ft Wetbulb zero: 907.03 mb = 872.34 m = 2861.96 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 72.91 % Est. max temperature: 11.05 C = 51.90 F Sfc-Lift cond lev (LCL): 947.22 mb = 521.38 m = 1710.54 ft T: 3.74 C 700-500 lapse rate: 7.34 C/km ThetaE index: 2.00 C Layer 925.0- 850.0 mb Conv cond level (CCL): 882.81 mb = 1089.30 m = 3573.77 ft Mean mixing ratio: 4.34 g/kg Conv temperature: 10.02 C = 50.04 F Cap Strength: 4.16 C Lifted Index: 4.89 C Risk: None Lifted Index @300 mb: 21.67 C Lifted Index @700 mb: 3.02 C Showalter Index: 4.74 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 24.60 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 93.00 Risk: None Energy Index: 1.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.50 J/kg Max Up Vert Vel: 3.87 m/s Conv Inhibition (B-): 28340.41 J/kg Cap Strength: 4.84 C Lift Cond Lev (LCL): 908.71 mb = 857.51 m = 2813.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 42 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 1001 71 20 3 -1.0 -2.8 | 232 7 5.2 4.0 1 1000 79 20 3 -1.0 -2.8 | 232 7 5.2 4.0 2 925 715 310 9 6.9 -5.8 | 265 13 13.1 1.0 3 850 1393 330 11 5.5 -9.5 | 283 12 11.7 -2.7 4 700 2913 10 9 -1.6 -8.9 | 294 5 4.6 -2.0 5 500 5420 35 19 -10.9 -15.6 | 28 10 -4.7 -8.7 6 410 6802 15 17 -4.4 -16.4 | 349 10 1.8 -9.6 7 400 6970 5 19 -1.7 -18.9 | 339 13 4.5 -12.1 8 300 8930 305 31 25.4 -17.8 | 289 33 31.6 -11.0 9 250 10140 305 25 20.5 -14.3 | 286 28 26.7 -7.5 10 200 11620 300 23 19.9 -11.5 | 280 27 26.1 -4.7 11 150 13520 275 17 16.9 -1.5 | 257 24 23.1 5.3 12 100 16130 285 21 20.3 -5.4 | 267 27 26.5 1.4 13 70 18420 290 17 16.0 -5.8 | 267 22 22.2 1.0 Wind Parameters Mean winds (0-6000m): 12.2 at 12.3 knts Storm direction: 42.2 at 9.2 knts Shear (0-3000m) pos: 1.5 neg: 1.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 69.4 deg Storm rel helicity (0-3000m) pos: 25.6 neg: -0.5 tot: 25.1 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.83 Bulk Shear: 8.99 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 ------------------------------------------------------------------------------- 500 341 5 257 8| 0.0 6.5 6.5| 7.9 0.0 7.9 15.8 0.62| 7.1 4.4 1000 321 7 264 11| 0.0 4.6 4.6| 13.9 -0.5 13.4 13.4 0.52| 5.8 3.0 1500 324 8 270 11| 0.9 3.1 4.0| 21.3 -0.5 20.8 13.8 0.58| 4.8 2.8 2000 329 9 274 11| 1.2 2.3 3.5| 23.7 -0.5 23.2 11.6 0.55| 4.3 2.3 2500 334 9 278 10| 1.4 1.8 3.2| 24.6 -0.5 24.1 9.7 0.50| 3.9 2.0 3000 339 9 280 10| 1.5 1.5 3.0| 25.6 -0.5 25.1 8.4 0.49| 3.6 1.8 4000 351 10 290 8| 1.6 1.1 2.7| 31.6 -0.5 31.1 7.8 0.57| 3.3 1.9 5000 4 11 307 7| 1.8 0.9 2.7| 39.2 -0.5 38.7 7.7 0.61| 3.1 1.9 6000 12 12 325 6| 1.6 1.0 2.5| 41.9 -8.2 33.7 5.6 0.48| 3.0 1.4 Wrote GIF file: /home/apache/climate/data/raob//X1736/skewt/X1736.skewt.20250420.12.gif