UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 30 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 1014 70 0.0 -3.2 79 3.2 -1.2 200 3 272.1 272.6 271.2 280.1 2.97 1 1000 182 2.0 -3.0 69 5.0 0.1 240 15 275.1 275.7 273.2 283.6 3.06 2 997 206 2.0 -3.0 69 5.0 0.0 241 15 275.4 275.9 273.3 283.8 3.07 3 988 279 5.6 -2.4 56 8.0 2.2 244 16 279.7 280.3 276.0 288.8 3.24 4 958 530 4.2 -7.8 41 12.0 -0.2 254 19 280.8 281.2 275.2 287.1 2.21 5 925 812 1.4 -9.6 44 11.0 -2.4 265 23 280.7 281.1 274.8 286.5 1.99 6 850 1486 -4.9 -11.9 58 7.0 -7.0 255 19 281.0 281.3 274.7 286.2 1.80 7 843 1551 -5.3 -12.3 58 7.0 -7.4 256 19 281.3 281.6 274.8 286.4 1.76 8 821 1758 -5.5 -15.5 45 10.0 -8.3 258 20 283.2 283.4 275.2 287.3 1.39 9 748 2483 -9.5 -27.5 22 18.0 -13.0 265 23 286.5 286.6 275.7 288.2 0.53 10 744 2524 -9.5 -27.5 22 18.0 -13.0 265 23 286.9 287.0 275.9 288.6 0.54 11 700 2992 -12.3 -25.3 33 13.0 -14.9 270 25 288.9 289.0 277.2 291.1 0.70 12 500 5480 -28.7 -39.7 34 11.0 -29.7 270 25 298.0 298.1 280.8 298.9 0.24 13 400 7040 -39.9 -49.9 34 10.0 -40.4 255 31 303.1 303.2 282.8 303.5 0.10 14 395 7125 -39.9 -50.9 30 11.0 -40.4 255 31 304.2 304.2 283.2 304.6 0.09 15 331 8305 -48.7 -58.7 30 10.0 -49.0 258 37 307.9 307.9 284.6 308.1 0.04 16 300 8940 -54.5 -63.5 32 9.0 -54.6 260 40 308.5 308.5 284.8 308.6 0.02 17 291 9135 -55.3 -64.3 32 9.0 -55.4 255 40 310.1 310.1 285.4 310.2 0.02 18 273 9543 -54.9 -63.9 32 9.0 -55.1 257 40 316.4 316.4 287.6 316.5 0.03 19 259 9881 -53.7 -62.7 32 9.0 -53.9 259 40 322.9 323.0 289.7 323.1 0.03 20 250 10110 -51.3 -60.3 33 9.0 -51.5 260 40 329.8 329.8 291.7 330.0 0.05 21 248 10162 -50.7 -59.7 34 9.0 -51.0 260 40 331.5 331.5 292.2 331.7 0.05 22 200 11570 -50.1 -62.1 23 12.0 -50.5 255 46 353.4 353.4 297.4 353.6 0.04 23 150 13450 -49.1 -65.1 14 16.0 -49.7 250 48 385.5 385.5 303.1 385.7 0.04 24 134 14192 -48.7 -66.7 11 18.0 -49.4 250 43 398.8 398.8 305.0 399.0 0.04 25 107 15675 -47.9 -68.9 7 21.0 -48.9 250 34 426.8 426.8 308.5 427.0 0.03 26 100 16120 -50.1 -71.1 7 21.0 -51.0 250 31 430.9 430.9 309.0 431.1 0.03 27 70 18430 -52.7 -75.7 5 23.0 -53.7 230 23 471.6 471.6 312.8 471.7 0.02 28 64 19005 -55.5 -78.5 4 23.0 -56.2 477.7 477.7 313.2 477.8 0.01 29 57 19748 -52.5 -76.5 4 24.0 -53.7 500.6 500.6 315.0 500.8 0.02 TRP 291 9135 -55.3 -64.3 32 9.0 -55.4 255 40 310.1 310.1 285.4 310.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: 908.33 mb = 961.78 m = 3155.40 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 38.31 % Est. max temperature: 8.94 C = 48.09 F Sfc-Lift cond lev (LCL): 964.53 mb = 474.56 m = 1556.93 ft T: 4.51 C 700-500 lapse rate: 6.59 C/km ThetaE index: 2.55 C Layer 958.0- 843.0 mb Conv cond level (CCL): 751.42 mb = 2447.00 m = 8028.13 ft Mean mixing ratio: 2.52 g/kg Conv temperature: 14.31 C = 57.76 F Cap Strength: 5.81 C Lifted Index: 10.30 C Risk: None Lifted Index @300 mb: 15.79 C Lifted Index @700 mb: 5.81 C Showalter Index: 10.36 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 16.80 C K Index: -1.10 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.10 J/kg Max Up Vert Vel: 7.76 m/s Conv Inhibition (B-): 28479.32 J/kg Cap Strength: 10.16 C Lift Cond Lev (LCL): 835.14 mb = 1624.33 m = 5329.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 17 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 1014 70 200 3 1.0 2.8 | 125 18 -14.5 10.3 1 1000 182 240 15 13.0 7.5 | 170 15 -2.6 15.0 2 925 812 265 23 22.9 2.0 | 218 12 7.3 9.5 3 850 1486 255 19 18.4 4.9 | 193 13 2.8 12.4 4 700 2992 270 25 25.0 -0.0 | 231 12 9.4 7.5 5 500 5480 270 25 25.0 -0.0 | 231 12 9.4 7.5 6 400 7040 255 31 29.9 8.0 | 223 21 14.4 15.5 7 300 8940 260 40 39.4 6.9 | 239 28 23.8 14.5 8 291 9135 255 40 38.6 10.4 | 232 29 23.1 17.9 9 250 10110 260 40 39.4 6.9 | 239 28 23.8 14.5 10 200 11570 255 46 44.4 11.9 | 236 35 28.9 19.4 11 150 13450 250 48 45.1 16.4 | 231 38 29.5 23.9 12 100 16120 250 31 29.1 10.6 | 217 23 13.6 18.1 13 70 18430 230 23 17.6 14.8 | 185 22 2.0 22.3 Wind Parameters Mean winds (0-6000m): 265.8 at 23.1 knts Storm direction: 295.8 at 17.3 knts Shear (0-3000m) pos: 4.6 neg: 0.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 117.5 neg: -15.5 tot: 101.9 m^2/s^2 ave: 34.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.39 Bulk Shear: 12.61 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 ------------------------------------------------------------------------------- 500 247 16 175 14| 18.9 0.0 18.9| 77.6 0.0 77.6 155.1 0.97| 20.7 20.1 1000 257 19 192 12| 10.4 0.0 10.4| 91.2 -5.3 85.9 85.9 0.84| 13.4 11.3 1500 257 19 195 12| 6.9 1.0 7.9| 92.2 -15.5 76.7 51.1 0.65| 10.1 6.6 2000 257 19 196 12| 5.8 0.7 6.5|100.9 -15.5 85.3 42.7 0.68| 8.3 5.6 2500 259 20 200 12| 5.1 0.6 5.7|109.7 -15.5 94.2 37.7 0.70| 7.2 5.1 3000 261 21 205 12| 4.6 0.5 5.1|117.5 -15.5 101.9 34.0 0.72| 6.4 4.6 4000 264 22 211 12| 3.4 0.4 3.8|117.5 -15.5 101.9 25.5 0.72| 4.8 3.5 5000 265 22 216 12| 2.8 0.3 3.0|117.5 -15.5 101.9 20.4 0.72| 3.8 2.8 6000 266 23 219 12| 2.3 0.4 2.7|117.5 -18.1 99.4 16.6 0.64| 3.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250430.00.gif