UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 28 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 1011 26 1.0 -2.1 80 3.1 -0.2 55 3 273.3 273.8 272.3 282.1 3.24 1 1000 114 -0.5 -5.5 69 5.0 -2.3 50 11 272.6 273.1 270.9 279.6 2.53 2 947 546 -4.3 -7.6 78 3.3 -5.4 26 10 273.1 273.4 270.8 279.4 2.27 3 925 731 -4.9 -7.7 81 2.8 -5.8 15 9 274.3 274.7 271.5 280.7 2.31 4 850 1394 -6.7 -9.6 80 2.9 -7.6 320 9 279.1 279.5 274.2 285.3 2.17 5 840 1486 -6.9 -9.9 79 3.0 -7.8 327 9 279.9 280.2 274.5 286.0 2.14 6 732 2549 -12.5 -15.9 76 3.4 -13.4 49 6 285.0 285.2 276.4 289.5 1.51 7 723 2644 -9.7 -13.2 76 3.5 -10.8 56 6 289.1 289.4 279.0 294.8 1.91 8 700 2893 -10.1 -14.8 68 4.7 -11.5 75 5 291.3 291.6 279.8 296.5 1.73 9 652 3438 -11.7 -18.7 56 7.0 -13.5 63 5 295.5 295.7 281.2 299.6 1.34 10 600 4069 -15.1 -25.1 42 10.0 -17.2 50 6 298.6 298.8 281.9 301.3 0.83 11 537 4897 -20.5 -30.5 40 10.0 -22.1 32 7 301.8 301.9 282.9 303.7 0.56 12 500 5420 -24.9 -34.9 39 10.0 -26.2 20 7 302.7 302.8 283.0 304.0 0.39 13 400 7000 -37.3 -49.3 28 12.0 -37.9 300 13 306.5 306.5 284.1 306.9 0.11 14 359 7737 -43.9 -53.9 32 10.0 -44.3 298 15 307.3 307.3 284.4 307.6 0.07 15 300 8920 -52.7 -62.7 29 10.0 -52.9 295 17 311.1 311.1 285.7 311.2 0.03 16 276 9453 -56.3 -66.3 27 10.0 -56.4 288 17 313.4 313.4 286.5 313.4 0.02 17 257 9905 -55.9 -66.9 24 11.0 -56.1 282 17 320.4 320.4 288.9 320.5 0.02 18 250 10080 -57.3 -68.3 23 11.0 -57.4 280 17 320.9 320.9 289.0 320.9 0.02 19 238 10390 -58.5 -69.5 23 11.0 -58.6 290 17 323.6 323.6 289.9 323.7 0.01 20 214 11065 -53.7 -64.7 25 11.0 -53.9 281 19 341.1 341.1 294.6 341.2 0.03 21 200 11500 -53.5 -64.5 25 11.0 -53.8 275 21 348.0 348.1 296.3 348.2 0.03 22 172 12477 -49.9 -63.9 18 14.0 -50.4 275 19 369.3 369.4 300.5 369.5 0.04 23 150 13370 -50.3 -65.3 15 15.0 -50.8 275 17 383.4 383.4 302.8 383.6 0.04 24 100 16010 -51.1 -71.1 7 20.0 -51.9 275 15 429.0 429.0 308.7 429.1 0.03 25 70 18320 -51.9 -73.9 5 22.0 -52.9 230 11 473.4 473.4 312.9 473.5 0.02 26 50 20500 -52.9 -76.9 4 24.0 -54.1 235 13 518.8 518.8 316.2 518.9 0.02 27 30 23790 -52.1 -76.1 4 24.0 -54.2 200 7 602.6 602.6 320.7 602.9 0.04 28 26 24711 -54.1 -78.1 4 24.0 -56.0 175 6 622.1 622.1 321.6 622.4 0.03 29 20 26400 -52.3 -76.3 4 24.0 -55.1 130 5 676.1 676.1 323.6 676.6 0.06 30 11 30322 -46.1 -72.1 4 26.0 -52.7 824.7 824.8 327.9 826.8 0.20 TRP 238 10390 -58.5 -69.5 23 11.0 -58.6 290 17 323.6 323.6 289.9 323.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 1003.67 mb = 84.80 m = 278.20 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 62.81 % Est. max temperature: 6.11 C = 43.00 F Sfc-Lift cond lev (LCL): 963.30 mb = 410.62 m = 1347.15 ft T: -3.11 C 700-500 lapse rate: 5.86 C/km ThetaE index: 2.74 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 795.91 mb = 1902.50 m = 6241.71 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 9.61 C = 49.29 F Cap Strength: 18.91 C Lifted Index: 19.03 C Risk: None Lifted Index @300 mb: 22.05 C Lifted Index @700 mb: 12.56 C Showalter Index: 14.92 C Risk: None Total Totals Index: 33.50 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 15.30 C K Index: 3.90 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.48 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 66929.03 J/kg Cap Strength: 19.03 C Lift Cond Lev (LCL): 905.78 mb = 895.68 m = 2938.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 at 5 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 1011 26 55 3 -2.5 -1.7 | 224 2 1.7 1.8 1 1000 114 50 11 -8.4 -7.1 | 50 6 -4.3 -3.6 2 925 731 15 9 -2.3 -8.7 | 341 6 1.8 -5.2 3 850 1394 320 9 5.8 -6.9 | 289 10 9.9 -3.4 4 700 2893 75 5 -4.8 -1.3 | 162 2 -0.7 2.2 5 500 5420 20 7 -2.4 -6.6 | 331 4 1.7 -3.1 6 400 7000 300 13 11.3 -6.5 | 281 16 15.4 -3.0 7 300 8920 295 17 15.4 -7.2 | 281 20 19.5 -3.7 8 250 10080 280 17 16.7 -3.0 | 269 21 20.9 0.5 9 238 10390 290 17 16.0 -5.8 | 277 20 20.1 -2.3 10 200 11500 275 21 20.9 -1.8 | 266 25 25.1 1.6 11 150 13370 275 17 16.9 -1.5 | 265 21 21.1 2.0 12 100 16010 275 15 14.9 -1.3 | 264 19 19.1 2.2 13 70 18320 230 11 8.4 7.1 | 230 16 12.6 10.5 14 50 20500 235 13 10.6 7.5 | 234 18 14.8 10.9 15 30 23790 200 7 2.4 6.6 | 213 12 6.5 10.0 16 20 26400 130 5 -3.8 3.2 | 183 7 0.3 6.7 Wind Parameters Mean winds (0-6000m): 20.0 at 7.2 knts Storm direction: 50.0 at 5.4 knts Shear (0-3000m) pos: 1.9 neg: 1.5 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -64.6 deg Storm rel helicity (0-3000m) pos: 10.0 neg: -23.2 tot: -13.2 m^2/s^2 ave: -4.4 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.15 Bulk Shear: 2.04 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 41 10 29 5| 0.0 7.4 7.4| 0.0 -6.1 -6.1 -12.3 -0.97| 17.4-16.9 1000 27 9 1 5| 0.0 4.2 4.2| 0.0 -14.3 -14.3 -14.3 -0.95| 11.7-11.1 1500 10 9 336 6| 0.0 3.1 3.1| 2.2 -23.1 -21.0 -14.0 -0.86| 9.7 -8.4 2000 5 9 328 6| 1.4 2.3 3.7| 8.2 -23.1 -14.9 -7.5 -0.63| 8.7 -5.5 2500 6 8 327 6| 1.9 1.8 3.7| 9.6 -23.1 -13.6 -5.4 -0.50| 7.9 -4.0 3000 8 8 326 5| 1.9 1.5 3.4| 10.0 -23.2 -13.2 -4.4 -0.42| 7.1 -3.0 4000 20 7 335 4| 1.4 1.4 2.8| 10.0 -23.5 -13.6 -3.4 -0.43| 5.6 -2.4 5000 23 7 337 3| 1.1 1.4 2.5| 10.0 -24.0 -14.0 -2.8 -0.43| 4.8 -2.1 6000 20 7 333 4| 0.9 1.6 2.6| 10.0 -27.2 -17.2 -2.9 -0.42| 4.5 -1.9 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20250428.00.gif