UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 16 APR 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 73 3.2 -2.8 65 6.0 0.8 200 3 275.5 276.0 273.4 283.9 3.07 1 1000 162 4.8 -1.2 65 6.0 2.3 235 15 278.0 278.5 275.4 287.6 3.50 2 982 311 8.8 -0.2 53 9.0 4.7 249 18 283.4 284.1 278.7 294.2 3.83 3 949 592 7.2 -4.8 42 12.0 2.3 275 24 284.6 285.1 278.0 292.7 2.82 4 925 802 5.8 -5.2 45 11.0 1.4 295 29 285.2 285.7 278.3 293.3 2.80 5 850 1488 0.0 -9.0 51 9.0 -3.2 300 21 286.1 286.5 278.0 292.8 2.27 6 810 1872 -3.1 -10.1 58 7.0 -5.5 299 25 286.8 287.2 278.3 293.2 2.19 7 804 1930 -3.7 -10.7 58 7.0 -6.0 299 25 286.8 287.2 278.1 293.0 2.10 8 802 1950 -3.7 -10.7 58 7.0 -6.0 299 25 287.0 287.4 278.2 293.2 2.11 9 767 2302 -3.3 -19.3 28 16.0 -7.7 297 29 291.1 291.3 278.9 294.5 1.08 10 765 2323 -3.3 -20.3 26 17.0 -7.9 297 29 291.3 291.5 278.8 294.4 0.99 11 729 2703 -5.1 -30.1 12 25.0 -10.2 296 33 293.4 293.5 279.0 294.8 0.43 12 726 2735 -5.1 -30.1 12 25.0 -10.3 296 33 293.8 293.8 279.1 295.2 0.43 13 700 3021 -6.3 -19.3 35 13.0 -9.9 295 36 295.5 295.7 281.0 299.2 1.18 14 699 3032 -6.3 -18.3 38 12.0 -9.7 295 36 295.6 295.9 281.2 299.7 1.29 15 672 3339 -7.5 -22.5 29 15.0 -11.3 296 36 297.6 297.8 281.6 300.6 0.93 16 666 3408 -7.9 -23.9 26 16.0 -11.8 296 36 297.9 298.1 281.6 300.6 0.83 17 571 4585 -15.3 -31.3 24 16.0 -18.2 301 37 302.7 302.8 283.1 304.3 0.49 18 564 4678 -16.1 -33.1 22 17.0 -19.0 301 37 302.8 302.9 283.1 304.2 0.42 19 562 4704 -16.3 -33.3 22 17.0 -19.1 302 37 302.9 302.9 283.1 304.3 0.41 20 500 5570 -23.3 -35.3 32 12.0 -24.9 305 38 304.6 304.7 283.8 305.9 0.38 21 438 6528 -30.7 -36.7 56 6.0 -31.4 308 43 307.0 307.1 284.7 308.3 0.38 22 424 6759 -31.7 -37.7 55 6.0 -32.3 309 44 308.6 308.7 285.2 309.8 0.35 23 417 6877 -32.5 -38.5 55 6.0 -33.1 309 45 309.0 309.1 285.4 310.2 0.33 24 400 7170 -34.9 -39.9 60 5.0 -35.3 310 46 309.6 309.7 285.5 310.7 0.30 25 363 7839 -38.7 -44.7 53 6.0 -39.1 312 47 313.3 313.3 286.7 314.0 0.20 26 300 9110 -50.3 -56.3 49 6.0 -50.5 315 50 314.5 314.5 287.0 314.7 0.06 27 294 9242 -51.7 -57.7 49 6.0 -51.8 314 51 314.3 314.3 286.9 314.5 0.05 28 273 9721 -56.3 -62.3 47 6.0 -56.4 312 56 314.4 314.4 286.9 314.5 0.03 29 254 10180 -58.8 -64.8 46 6.0 -58.8 310 60 317.3 317.3 287.9 317.4 0.02 30 250 10280 -59.3 -65.3 46 6.0 -59.4 310 60 317.9 317.9 288.1 318.0 0.02 31 248 10330 -59.7 -65.7 45 6.0 -59.7 310 60 318.0 318.0 288.1 318.1 0.02 32 235 10666 -59.3 -65.3 46 6.0 -59.4 307 54 323.6 323.6 289.9 323.7 0.03 33 229 10828 -57.3 -63.3 46 6.0 -57.4 306 51 329.0 329.0 291.5 329.2 0.03 34 224 10967 -58.3 -64.3 46 6.0 -58.4 305 49 329.6 329.6 291.6 329.7 0.03 35 205 11531 -52.7 -58.7 48 6.0 -52.9 301 39 346.9 346.9 296.0 347.1 0.07 36 202 11626 -52.7 -58.7 48 6.0 -52.9 300 37 348.3 348.3 296.3 348.6 0.07 37 200 11690 -52.9 -58.9 48 6.0 -53.1 300 36 349.0 349.0 296.5 349.3 0.07 38 168 12817 -51.3 -58.3 43 7.0 -51.6 309 36 369.5 369.5 300.5 369.9 0.09 39 150 13550 -52.3 -60.3 38 8.0 -52.6 315 36 380.0 380.0 302.3 380.3 0.08 40 100 16160 -55.1 -68.1 18 13.0 -55.5 295 25 421.3 421.3 307.9 421.5 0.04 41 72 18260 -53.1 -70.1 11 17.0 -53.9 304 18 467.0 467.0 312.4 467.3 0.04 42 71 18349 -53.7 -70.7 11 17.0 -54.5 305 17 467.6 467.6 312.4 467.8 0.04 43 70 18440 -54.5 -71.5 11 17.0 -55.2 305 17 467.8 467.8 312.5 468.0 0.04 44 60 19426 -54.9 -72.9 9 18.0 -55.7 328 13 488.0 488.0 314.1 488.2 0.03 45 53 20218 -55.5 -74.5 8 19.0 -56.3 346 10 504.2 504.2 315.2 504.4 0.03 46 50 20590 -54.3 -74.3 7 20.0 -55.4 355 9 515.5 515.5 316.0 515.7 0.03 47 44 21410 -54.1 -74.1 7 20.0 -55.3 535.2 535.2 317.2 535.5 0.04 48 30 23873 -53.1 -76.1 4 23.0 -54.9 599.9 599.9 320.6 600.2 0.04 TRP 248 10330 -59.7 -65.7 45 6.0 -59.7 310 60 318.0 318.0 288.1 318.1 0.02 WND 254 10180 -58.8 -64.8 46 6.0 -58.8 310 60 317.3 317.3 287.9 317.4 0.02 Sounding variables and indices 1000-500 mb thick: 5408.00 m Freezing level: 850.00 mb = 1488.00 m = 4881.83 ft Wetbulb zero: 902.56 mb = 1001.24 m = 3284.86 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 34.95 % Est. max temperature: 13.76 C = 56.77 F Sfc-Lift cond lev (LCL): 921.24 mb = 835.04 m = 2739.61 ft T: 5.52 C 700-500 lapse rate: 6.67 C/km ThetaE index: 1.57 C Layer 949.0- 925.0 mb Conv cond level (CCL): 666.00 mb = 3408.21 m = 11181.64 ft Mean mixing ratio: 3.17 g/kg Conv temperature: 25.73 C = 78.31 F Cap Strength: 11.11 C Lifted Index: 11.37 C Risk: None Lifted Index @300 mb: 15.89 C Lifted Index @700 mb: 7.98 C Showalter Index: 10.84 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 14.30 C K Index: 1.30 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.46 J/kg Max Up Vert Vel: 8.06 m/s Conv Inhibition (B-): 40187.88 J/kg Cap Strength: 11.33 C Lift Cond Lev (LCL): 826.37 mb = 1712.33 m = 5617.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 24 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 73 200 3 1.0 2.8 | 153 26 -11.6 23.0 1 1000 162 235 15 12.3 8.6 | 179 29 -0.4 28.8 2 925 802 295 29 26.3 -12.3 | 240 16 13.6 8.0 3 850 1488 300 21 18.2 -10.5 | 210 11 5.5 9.7 4 700 3021 295 36 32.6 -15.2 | 256 21 20.0 5.0 5 500 5570 305 38 31.1 -21.8 | 275 19 18.5 -1.6 6 400 7170 310 46 35.2 -29.6 | 292 24 22.6 -9.3 7 300 9110 315 50 35.4 -35.4 | 304 27 22.7 -15.1 8 254 10180 310 60 46.0 -38.6 | 299 38 33.3 -18.3 9 250 10280 310 60 46.0 -38.6 | 299 38 33.3 -18.3 10 248 10330 310 60 46.0 -38.6 | 299 38 33.3 -18.3 11 200 11690 300 36 31.2 -18.0 | 263 19 18.5 2.2 12 150 13550 315 36 25.5 -25.5 | 292 14 12.8 -5.2 13 100 16160 295 25 22.7 -10.6 | 226 14 10.0 9.7 14 70 18440 305 17 13.9 -9.8 | 187 11 1.3 10.5 15 50 20590 355 9 0.8 -9.0 | 134 16 -11.9 11.3 Wind Parameters Mean winds (0-6000m): 298.0 at 31.8 knts Storm direction: 328.0 at 23.9 knts Shear (0-3000m) pos: 3.9 neg: 2.5 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 103.0 deg Storm rel helicity (0-3000m) pos: 268.3 neg: -20.2 tot: 248.2 m^2/s^2 ave: 82.7 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 6.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.50 Bulk Shear: 64.45 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 ------------------------------------------------------------------------------- 500 256 18 190 25| 24.0 0.0 24.0|182.6 0.0 182.6 365.2 0.93| 29.4 27.4 1000 281 22 210 18| 13.6 0.0 13.6|225.8 -6.5 219.3 219.3 0.79| 21.8 17.3 1500 287 23 213 16| 7.7 0.0 7.7|227.8 -20.2 207.6 138.4 0.63| 16.4 10.3 2000 291 23 216 15| 5.8 1.3 7.1|242.1 -20.2 222.0 111.0 0.65| 13.6 8.9 2500 292 24 222 15| 4.6 2.0 6.7|256.0 -20.2 235.8 94.3 0.66| 11.9 7.8 3000 293 26 228 15| 3.9 2.5 6.3|268.3 -20.2 248.2 82.7 0.65| 10.7 6.9 4000 294 28 237 16| 3.1 1.8 4.9|281.4 -20.2 261.2 65.3 0.66| 8.3 5.5 5000 296 30 245 16| 2.6 1.5 4.1|294.4 -20.2 274.2 54.8 0.67| 6.9 4.7 6000 298 32 251 16| 2.5 1.2 3.7|311.7 -20.2 291.6 48.6 0.68| 6.1 4.2 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250416.00.gif