UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 8 OCT 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 23 10.6 2.6 58 8.0 6.7 325 3 283.7 284.5 279.8 296.6 4.61 1 1000 31 10.4 2.4 58 8.0 6.5 325 3 283.5 284.3 279.7 296.3 4.54 2 925 671 4.4 -2.6 60 7.0 1.4 315 17 283.8 284.4 278.4 293.5 3.41 3 905 849 2.8 -4.2 60 7.0 -0.0 312 20 283.9 284.5 278.0 292.8 3.09 4 850 1354 0.4 -6.6 59 7.0 -2.3 305 29 286.6 287.0 278.9 294.5 2.74 5 828 1564 0.0 -7.0 59 7.0 -2.7 304 29 288.3 288.8 279.7 296.3 2.73 6 700 2886 -8.9 -18.9 44 10.0 -11.5 300 31 292.6 292.8 279.7 296.4 1.23 7 692 2975 -8.9 -18.9 44 10.0 -11.6 299 31 293.6 293.8 280.2 297.4 1.24 8 500 5400 -27.1 -38.1 34 11.0 -28.3 265 29 300.0 300.0 281.7 301.0 0.29 9 450 6150 -33.3 -46.3 26 13.0 -34.2 260 33 301.4 301.4 282.1 301.9 0.13 10 400 6970 -37.7 -52.7 19 15.0 -38.4 255 38 306.0 306.0 283.9 306.3 0.07 11 309 8723 -45.9 -61.9 15 16.0 -46.3 251 58 318.0 318.0 288.1 318.1 0.03 12 300 8920 -46.9 -62.9 14 16.0 -47.3 250 60 319.3 319.3 288.5 319.4 0.03 13 270 9609 -49.7 -65.7 14 16.0 -50.0 250 56 324.9 324.9 290.3 325.0 0.02 14 250 10110 -48.9 -64.9 14 16.0 -49.3 255 58 333.4 333.4 292.6 333.5 0.02 15 229 10691 -46.9 -63.9 13 17.0 -47.4 257 58 344.9 344.9 295.5 345.0 0.03 16 200 11590 -47.9 -64.9 12 17.0 -48.4 260 58 356.9 356.9 298.1 357.1 0.03 17 171 12620 -46.9 -66.9 8 20.0 -47.6 263 66 374.9 374.9 301.4 375.1 0.03 18 150 13480 -48.9 -68.9 8 20.0 -49.6 265 73 385.8 385.8 303.2 385.9 0.02 19 125 14673 -51.3 -72.3 6 21.0 -51.9 265 77 402.1 402.1 305.5 402.2 0.02 20 111 15448 -50.6 -72.1 6 21.5 -51.3 265 79 417.4 417.4 307.4 417.5 0.02 21 100 16130 -49.9 -71.9 6 22.0 -50.8 270 73 431.3 431.3 309.0 431.4 0.02 22 70 18440 -53.7 -75.7 5 22.0 -54.5 270 64 469.5 469.5 312.6 469.6 0.02 23 57 19757 -54.7 -76.7 5 22.0 -55.6 273 59 495.6 495.7 314.7 495.8 0.02 24 50 20600 -52.3 -75.3 5 23.0 -53.6 275 56 520.2 520.2 316.3 520.4 0.03 25 43 21584 -48.9 -72.9 4 24.0 -51.0 274 46 551.5 551.5 318.2 551.8 0.05 26 36 22732 -56.9 -79.9 4 23.0 -58.0 272 35 559.6 559.6 318.6 559.7 0.02 27 30 23900 -52.3 -76.3 4 24.0 -54.3 270 23 602.1 602.1 320.7 602.4 0.04 28 26 24814 -55.5 -79.5 3 24.0 -57.2 266 22 618.1 618.1 321.4 618.3 0.03 29 23 25599 -51.7 -75.7 4 24.0 -54.3 263 22 651.4 651.4 322.7 651.8 0.06 30 20 26500 -52.9 -76.9 4 24.0 -55.5 260 21 674.3 674.3 323.6 674.7 0.05 31 16 27938 -55.1 -79.1 4 24.0 -57.6 233 15 711.5 711.5 324.8 711.9 0.05 32 14 28800 -51.3 -75.3 4 24.0 -55.2 216 11 752.1 752.1 326.0 753.0 0.10 33 11 30363 -53.7 -77.7 4 24.0 -57.5 187 4 797.1 797.1 327.2 797.9 0.09 34 10 30980 -51.5 -75.5 4 24.0 -56.2 175 1 827.3 827.4 327.9 828.7 0.14 35 8.2 32275 -49.3 -74.3 4 25.0 -55.5 884.3 884.4 329.1 886.5 0.20 36 6.7 33598 -49.9 -74.9 4 25.0 -56.6 934.4 934.5 330.1 936.9 0.22 TRP 270 9609 -49.7 -65.7 14 16.0 -50.0 250 56 324.9 324.9 290.3 325.0 0.02 WND 111 15448 -50.6 -72.1 6 21.5 -51.3 265 79 417.4 417.4 307.4 417.5 0.02 Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: 828.00 mb = 1564.01 m = 5131.20 ft Wetbulb zero: 905.53 mb = 843.77 m = 2768.23 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 47.87 % Est. max temperature: 13.45 C = 56.21 F Sfc-Lift cond lev (LCL): 886.33 mb = 1016.54 m = 3335.08 ft T: 2.00 C 700-500 lapse rate: 7.24 C/km ThetaE index: 3.83 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 773.88 mb = 2096.19 m = 6877.17 ft Mean mixing ratio: 3.79 g/kg Conv temperature: 17.01 C = 62.61 F Cap Strength: 4.50 C Lifted Index: 5.81 C Risk: None Lifted Index @300 mb: 17.65 C Lifted Index @700 mb: 3.85 C Showalter Index: 5.75 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 20.50 C K Index: 10.90 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.28 J/kg Max Up Vert Vel: 1.60 m/s Conv Inhibition (B-): 74036.12 J/kg Cap Strength: 5.70 C Lift Cond Lev (LCL): 849.57 mb = 1358.02 m = 4455.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 20 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 23 325 3 1.7 -2.5 | 139 17 -11.5 13.2 1 1000 31 325 3 1.7 -2.5 | 139 17 -11.5 13.2 2 925 671 315 17 12.0 -12.0 | 161 4 -1.2 3.6 3 850 1354 305 29 23.8 -16.6 | 276 11 10.5 -1.0 4 700 2886 300 31 26.8 -15.5 | 270 14 13.6 0.1 5 500 5400 265 29 28.9 2.5 | 221 24 15.7 18.1 6 400 6970 255 38 36.7 9.8 | 223 35 23.5 25.4 7 300 8920 250 60 56.4 20.5 | 230 56 43.2 36.1 8 270 9609 250 56 52.6 19.2 | 229 53 39.4 34.8 9 250 10110 255 58 56.0 15.0 | 234 53 42.8 30.6 10 200 11590 260 58 57.1 10.1 | 240 51 43.9 25.7 11 150 13480 265 73 72.7 6.4 | 250 63 59.5 22.0 12 111 15448 265 79 78.7 6.9 | 251 69 65.5 22.5 13 100 16130 270 73 73.0 -0.0 | 255 62 59.8 15.6 14 70 18440 270 64 64.0 -0.0 | 253 53 50.8 15.6 15 50 20600 275 56 55.8 -4.9 | 256 44 42.6 10.7 16 30 23900 270 23 23.0 -0.0 | 212 18 9.8 15.6 17 20 26500 260 21 20.7 3.6 | 201 21 7.5 19.3 18 10 30980 175 1 -0.1 1.0 | 141 21 -13.3 16.6 Wind Parameters Mean winds (0-6000m): 289.7 at 27.3 knts Storm direction: 319.7 at 20.5 knts Shear (0-3000m) pos: 0.0 neg: 4.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 126.8 deg Storm rel helicity (0-3000m) pos: 11.5 neg: -7.7 tot: 3.7 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 55.21 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 ------------------------------------------------------------------------------- 500 319 8 140 12| 0.0 11.1 11.1| 2.3 -0.4 1.9 3.7 0.08| 11.1 0.9 1000 314 13 150 7| 0.0 10.4 10.4| 8.5 -0.4 8.1 8.1 0.38| 10.6 4.0 1500 310 18 188 4| 0.0 9.1 9.1| 11.5 -0.6 10.8 7.2 0.34| 9.3 3.2 2000 308 21 229 4| 0.0 7.0 7.0| 11.5 -1.9 9.6 4.8 0.32| 7.3 2.3 2500 306 23 247 6| 0.0 5.7 5.7| 11.5 -3.2 8.2 3.3 0.29| 6.0 1.8 3000 305 24 255 7| 0.0 4.8 4.8| 11.5 -7.7 3.7 1.2 0.23| 5.3 1.3 4000 301 26 255 9| 0.0 3.6 3.6| 11.5 -34.4 -23.0 -5.7 0.02| 5.0 0.1 5000 296 27 249 12| 0.0 2.8 2.8| 11.5 -65.3 -53.8 -10.8 -0.11| 4.7 -0.5 6000 290 27 243 14| 0.0 2.7 2.7| 16.3 -78.1 -61.8 -10.3 -0.12| 4.5 -0.5 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251008.00.gif