UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 28 APR 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 83 20 5 SFC 999 91 8.2 1.2 61 7.0 5.0 20 5 281.4 282.1 278.2 293.1 4.17 2 925 722 3.4 -3.6 60 7.0 0.5 10 21 282.8 283.3 277.5 291.8 3.16 3 909 863 2.2 -3.8 64 6.0 -0.2 10 24 283.0 283.5 277.6 292.0 3.17 4 854 1364 0.0 -9.0 51 9.0 -3.2 10 34 285.8 286.2 277.8 292.4 2.26 5 850 1402 -0.7 -10.7 47 10.0 -4.1 10 35 285.4 285.8 277.3 291.2 1.99 6 773 2152 -6.3 -14.3 53 8.0 -8.7 10 33 287.2 287.5 277.7 292.1 1.63 7 768 2203 -7.1 -15.1 53 8.0 -9.4 10 33 286.9 287.2 277.4 291.5 1.54 8 700 2922 -9.9 -29.9 18 20.0 -13.6 10 31 291.5 291.6 278.2 293.0 0.46 9 694 2988 -10.1 -31.1 16 21.0 -13.9 10 31 292.0 292.1 278.3 293.4 0.41 10 690 3033 -10.3 -31.3 16 21.0 -14.1 10 30 292.3 292.4 278.4 293.6 0.41 11 639 3619 -15.5 -25.5 42 10.0 -17.4 7 27 292.9 293.0 279.2 295.2 0.75 12 615 3908 -16.5 -22.5 60 6.0 -17.8 6 25 294.9 295.1 280.5 298.1 1.02 13 603 4056 -17.1 -23.1 60 6.0 -18.4 6 24 295.9 296.1 280.9 299.0 0.99 14 518 5175 -27.1 -31.9 64 4.8 -27.7 1 17 297.0 297.1 280.7 298.7 0.51 15 500 5430 -28.1 -32.7 65 4.6 -28.7 360 15 298.8 298.9 281.5 300.4 0.49 16 440 6329 -34.9 -38.6 69 3.7 -35.2 46 17 301.3 301.4 282.3 302.4 0.31 17 435 6408 -35.5 -39.2 69 3.7 -35.8 50 17 301.5 301.6 282.4 302.5 0.29 18 408 6846 -40.9 -45.0 65 4.1 -41.1 73 19 300.1 300.2 281.6 300.7 0.17 19 400 6980 -41.9 -46.3 62 4.4 -42.1 80 19 300.5 300.6 281.8 301.1 0.15 20 360 7684 -47.7 -52.3 59 4.6 -47.9 95 25 302.0 302.0 282.3 302.3 0.08 21 343 8004 -46.7 -51.3 59 4.6 -46.9 74 21 307.5 307.5 284.5 307.9 0.10 22 323 8400 -48.3 -53.3 56 5.0 -48.4 47 17 310.6 310.7 285.7 311.0 0.08 23 302 8846 -45.1 -51.1 51 6.0 -45.4 18 12 321.2 321.2 289.2 321.6 0.12 24 300 8890 -45.1 -51.1 51 6.0 -45.4 15 11 321.8 321.8 289.5 322.2 0.12 25 250 10100 -48.5 -57.5 34 9.0 -48.8 330 15 334.0 334.0 292.9 334.2 0.06 26 246 10206 -49.1 -58.1 34 9.0 -49.4 326 15 334.6 334.6 293.0 334.9 0.06 27 200 11570 -48.7 -59.7 27 11.0 -49.1 280 17 355.7 355.7 297.9 355.9 0.06 28 173 12526 -48.1 -61.1 21 13.0 -48.6 265 16 371.7 371.7 300.9 372.0 0.06 29 150 13460 -51.5 -65.5 17 14.0 -52.0 250 15 381.3 381.3 302.5 381.5 0.04 30 144 13723 -52.7 -67.7 15 15.0 -53.1 383.7 383.7 302.9 383.9 0.03 31 132 14289 -48.3 -65.3 12 17.0 -49.1 401.2 401.3 305.4 401.5 0.04 32 100 16110 -48.7 -66.7 11 18.0 -49.7 433.6 433.6 309.3 433.9 0.05 TRP 360 7684 -47.7 -52.3 59 4.6 -47.9 95 25 302.0 302.0 282.3 302.3 0.08 WND Sounding variables and indices 1000-500 mb thick: 5347.00 m Freezing level: 854.00 mb = 1364.48 m = 4476.59 ft Wetbulb zero: 913.51 mb = 823.06 m = 2700.31 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 50.80 % Est. max temperature: 12.20 C = 53.97 F Sfc-Lift cond lev (LCL): 897.56 mb = 964.80 m = 3165.30 ft T: 1.75 C 700-500 lapse rate: 7.26 C/km ThetaE index: 1.31 C Layer 925.0- 909.0 mb Conv cond level (CCL): 802.78 mb = 1853.67 m = 6081.52 ft Mean mixing ratio: 3.52 g/kg Conv temperature: 13.29 C = 55.92 F Cap Strength: 5.82 C Lifted Index: 6.42 C Risk: None Lifted Index @300 mb: 20.97 C Lifted Index @700 mb: 4.20 C Showalter Index: 7.21 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 17.40 C K Index: -3.30 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.49 J/kg Max Up Vert Vel: 3.31 m/s Conv Inhibition (B-): 15949.15 J/kg Cap Strength: 6.15 C Lift Cond Lev (LCL): 853.98 mb = 1364.68 m = 4477.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 39 at 18 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 ---------------------------------------------------------- 0 999 91 20 5 -1.7 -4.7 | 226 14 9.8 9.4 1 925 722 10 21 -3.6 -20.7 | 310 10 7.9 -6.6 2 850 1402 10 35 -6.1 -34.5 | 345 21 5.4 -20.4 3 700 2922 10 31 -5.4 -30.5 | 340 18 6.1 -16.5 4 500 5430 360 15 -0.0 -15.0 | 275 12 11.5 -0.9 5 400 6980 80 19 -18.7 -3.3 | 146 13 -7.2 10.8 6 360 7684 95 25 -24.9 2.2 | 140 21 -13.4 16.2 7 300 8890 15 11 -2.8 -10.6 | 248 9 8.7 3.4 8 250 10100 330 15 7.5 -13.0 | 267 19 19.0 1.1 9 200 11570 280 17 16.7 -3.0 | 249 30 28.3 11.1 10 150 13460 250 15 14.1 5.1 | 233 32 25.6 19.2 Wind Parameters Mean winds (0-6000m): 9.3 at 24.2 knts Storm direction: 39.3 at 18.2 knts Shear (0-3000m) pos: 0.0 neg: 4.3 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 65.2 neg: -12.9 tot: 52.3 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 22.28 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 12 11 252 10| 0.0 13.1 13.1| 25.9 0.0 25.9 51.7 0.82| 13.2 10.9 1000 11 17 290 9| 0.0 12.2 12.2| 50.7 0.0 50.7 50.7 0.79| 12.3 9.7 1500 10 23 318 11| 0.0 10.1 10.1| 65.2 -0.7 64.6 43.0 0.72| 10.4 7.5 2000 10 25 327 13| 0.0 7.3 7.3| 65.2 -3.8 61.5 30.7 0.67| 8.1 5.4 2500 10 27 331 14| 0.0 5.5 5.5| 65.2 -6.9 58.4 23.3 0.62| 6.8 4.2 3000 10 28 333 15| 0.0 4.3 4.3| 65.2 -12.9 52.3 17.4 0.55| 6.0 3.3 4000 10 27 332 15| 0.0 2.4 2.4| 65.2 -34.8 30.5 7.6 0.33| 5.3 1.8 5000 9 26 327 14| 0.0 1.3 1.3| 65.2 -54.9 10.3 2.1 0.15| 4.9 0.8 6000 9 24 322 12| 0.8 1.1 1.9| 66.5 -61.7 4.8 0.8 0.09| 5.1 0.4 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250428.12.gif