UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 17 APR 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 21 6.0 -3.0 52 9.0 2.3 325 13 279.1 279.6 275.4 287.6 3.06 1 1000 29 6.0 -3.0 52 9.0 2.3 325 13 279.1 279.7 275.5 287.7 3.06 2 925 660 0.6 -7.4 55 8.0 -2.3 330 17 279.9 280.3 274.9 286.6 2.37 3 856 1277 -4.1 -8.8 70 4.7 -5.7 348 28 281.3 281.7 275.5 287.8 2.29 4 850 1332 -3.9 -8.2 72 4.3 -5.4 350 29 282.1 282.5 276.2 289.0 2.42 5 819 1626 -3.1 -5.8 82 2.7 -4.1 352 27 285.9 286.4 278.9 294.6 3.02 6 700 2865 -5.1 -9.7 70 4.6 -6.8 360 21 296.8 297.3 283.3 304.8 2.61 7 692 2955 -5.1 -9.9 69 4.8 -6.8 360 21 297.8 298.3 283.7 305.7 2.60 8 688 3001 -5.5 -10.5 68 5.0 -7.3 360 21 297.9 298.3 283.6 305.5 2.50 9 649 3456 -7.7 -18.7 41 11.0 -10.8 359 21 300.4 300.6 283.2 304.7 1.35 10 589 4203 -11.9 -17.9 61 6.0 -13.6 357 21 304.0 304.2 284.9 309.0 1.59 11 508 5322 -17.9 -24.9 54 7.0 -19.4 355 21 309.8 310.0 286.4 313.1 1.00 12 500 5440 -18.3 -25.3 54 7.0 -19.8 355 21 310.7 310.9 286.8 314.0 0.98 13 409 6911 -28.3 -36.3 46 8.0 -29.3 360 19 316.2 316.3 288.0 317.7 0.42 14 400 7070 -29.7 -38.7 41 9.0 -30.7 360 19 316.4 316.5 287.9 317.6 0.34 15 300 9050 -45.5 -52.5 45 7.0 -45.8 10 11 321.2 321.2 289.2 321.6 0.10 16 250 10240 -55.3 -63.3 36 8.0 -55.4 50 19 323.9 323.9 290.0 324.0 0.03 17 233 10687 -58.7 -65.7 40 7.0 -58.8 40 15 325.3 325.3 290.4 325.4 0.02 18 226 10879 -58.7 -65.7 40 7.0 -58.8 30 15 328.1 328.1 291.2 328.2 0.02 19 212 11285 -54.3 -62.3 37 8.0 -54.5 9 14 341.0 341.1 294.6 341.2 0.04 20 200 11660 -53.7 -61.7 37 8.0 -53.9 350 13 347.7 347.7 296.2 347.9 0.05 21 186 12125 -54.1 -63.1 32 9.0 -54.3 344 13 354.4 354.4 297.6 354.6 0.04 22 162 13019 -49.3 -60.3 27 11.0 -49.8 332 13 376.7 376.8 301.8 377.1 0.07 23 150 13520 -51.3 -63.3 23 12.0 -51.7 325 13 381.7 381.7 302.6 381.9 0.05 24 100 16150 -53.1 -70.1 11 17.0 -53.7 285 11 425.1 425.1 308.3 425.3 0.03 25 87 17046 -54.1 -72.1 9 18.0 -54.7 283 9 440.4 440.4 309.9 440.5 0.03 26 70 18440 -54.7 -74.7 7 20.0 -55.4 280 5 467.4 467.4 312.4 467.5 0.02 27 50 20590 -55.5 -76.5 6 21.0 -56.4 260 15 512.7 512.7 315.8 512.8 0.02 28 36 22688 -54.7 -76.7 5 22.0 -56.1 565.3 565.3 318.9 565.5 0.03 TRP 233 10687 -58.7 -65.7 40 7.0 -58.8 40 15 325.3 325.3 290.4 325.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5411.00 m Freezing level: 916.19 mb = 738.71 m = 2423.54 ft Wetbulb zero: 962.18 mb = 341.08 m = 1119.02 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 61.98 % Est. max temperature: 8.86 C = 47.95 F Sfc-Lift cond lev (LCL): 871.28 mb = 1135.85 m = 3726.50 ft T: -3.03 C 700-500 lapse rate: 5.13 C/km ThetaE index: 1.07 C Layer 925.0- 856.0 mb Conv cond level (CCL): 590.41 mb = 4184.96 m = 13730.02 ft Mean mixing ratio: 2.63 g/kg Conv temperature: 30.80 C = 87.44 F Cap Strength: 19.52 C Lifted Index: 20.12 C Risk: None Lifted Index @300 mb: 24.21 C Lifted Index @700 mb: 12.46 C Showalter Index: 18.65 C Risk: None Total Totals Index: 24.50 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 10.10 C K Index: 1.60 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 5.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.61 J/kg Max Up Vert Vel: 2.69 m/s Conv Inhibition (B-): 43685.16 J/kg Cap Strength: 19.62 C Lift Cond Lev (LCL): 836.46 mb = 1458.99 m = 4786.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 23 at 16 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 21 325 13 7.5 -10.6 | 253 14 13.7 4.3 1 1000 29 325 13 7.5 -10.6 | 253 14 13.7 4.3 2 925 660 330 17 8.5 -14.7 | 269 15 14.7 0.2 3 850 1332 350 29 5.0 -28.6 | 320 18 11.3 -13.6 4 700 2865 360 21 -0.0 -21.0 | 314 9 6.2 -6.1 5 500 5440 355 21 1.8 -20.9 | 307 10 8.0 -6.0 6 400 7070 360 19 -0.0 -19.0 | 303 7 6.2 -4.1 7 300 9050 10 11 -1.9 -10.8 | 226 6 4.3 4.1 8 250 10240 50 19 -14.6 -12.2 | 108 9 -8.3 2.7 9 233 10687 40 15 -9.6 -11.5 | 135 5 -3.4 3.5 10 200 11660 350 13 2.3 -12.8 | 256 9 8.5 2.1 11 150 13520 325 13 7.5 -10.6 | 253 14 13.7 4.3 12 100 16150 285 11 10.6 -2.8 | 234 21 16.8 12.1 13 70 18440 280 5 4.9 -0.9 | 218 18 11.1 14.1 14 50 20590 260 15 14.8 2.6 | 230 27 21.0 17.5 Wind Parameters Mean winds (0-6000m): 352.6 at 21.6 knts Storm direction: 22.6 at 16.2 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 61.2 deg Storm rel helicity (0-3000m) pos: 75.1 neg: -3.6 tot: 71.5 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 14.63 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 ------------------------------------------------------------------------------- 500 327 15 259 14| 3.4 0.0 3.4| 12.4 0.0 12.4 24.9 1.00| 3.4 3.4 1000 331 17 269 14| 5.9 0.0 5.9| 45.6 0.0 45.6 45.6 0.99| 6.0 6.0 1500 339 20 287 14| 5.9 0.0 5.9| 75.1 0.0 75.1 50.1 0.94| 6.7 6.3 2000 343 22 296 14| 4.0 0.0 4.0| 75.1 -0.4 74.7 37.3 0.81| 5.8 4.7 2500 346 22 300 13| 2.8 0.0 2.8| 75.1 -1.9 73.2 29.3 0.70| 5.3 3.7 3000 348 22 302 13| 2.2 0.0 2.2| 75.1 -3.6 71.5 23.8 0.62| 4.7 2.9 4000 351 22 304 12| 1.6 0.1 1.7| 75.1 -4.8 70.3 17.6 0.59| 3.6 2.1 5000 352 22 305 11| 1.3 0.1 1.5| 75.1 -6.0 69.1 13.8 0.56| 3.0 1.7 6000 353 22 306 11| 1.1 0.1 1.2| 75.1 -6.8 68.3 11.4 0.52| 2.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20250417.00.gif