UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 24 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 71 19.6 3.6 35 16.0 11.1 180 5 291.8 292.7 283.8 306.0 4.90 1 1000 164 17.4 1.4 34 16.0 9.3 190 11 290.5 291.3 282.5 302.8 4.23 2 925 822 11.4 0.4 47 11.0 6.1 205 15 291.0 291.7 282.7 303.3 4.25 3 893 1115 8.4 -1.6 49 10.0 3.8 228 17 290.8 291.5 282.1 301.9 3.80 4 865 1378 9.0 0.0 53 9.0 4.6 249 20 294.1 294.9 284.2 307.1 4.42 5 861 1417 8.8 -0.2 53 9.0 4.4 252 20 294.3 295.1 284.2 307.1 4.38 6 850 1523 7.8 -2.2 49 10.0 3.2 260 21 294.3 295.0 283.7 305.6 3.82 7 793 2090 3.4 -5.6 52 9.0 -0.4 265 23 295.5 296.1 283.4 305.0 3.17 8 749 2550 -0.3 -9.3 51 9.0 -3.7 270 25 296.4 296.8 283.0 304.0 2.52 9 700 3087 -4.5 -11.5 58 7.0 -7.0 275 27 297.5 297.9 283.2 304.4 2.26 10 688 3223 -5.7 -12.7 58 7.0 -8.1 274 27 297.6 298.0 283.0 304.1 2.09 11 675 3372 -7.1 -14.1 57 7.0 -9.4 274 27 297.7 298.0 282.8 303.6 1.90 12 673 3395 -7.1 -14.1 57 7.0 -9.4 274 27 298.0 298.3 283.0 303.9 1.91 13 672 3406 -7.1 -14.1 57 7.0 -9.4 274 27 298.1 298.4 283.0 304.0 1.91 14 644 3737 -7.3 -28.3 17 21.0 -12.0 273 27 301.5 301.6 282.8 303.4 0.58 15 626 3958 -7.7 -33.7 10 26.0 -12.8 272 26 303.5 303.6 283.3 304.7 0.35 16 625 3970 -7.7 -33.7 10 26.0 -12.8 272 26 303.6 303.7 283.4 304.9 0.35 17 610 4158 -9.3 -34.3 11 25.0 -14.0 271 26 303.9 304.0 283.4 305.1 0.34 18 554 4894 -15.1 -26.1 39 11.0 -17.5 268 26 305.5 305.7 284.7 308.3 0.82 19 500 5660 -20.5 -36.5 23 16.0 -22.8 265 25 308.0 308.1 285.0 309.2 0.34 20 498 5690 -21.1 -37.1 22 16.0 -23.3 265 25 307.7 307.7 284.8 308.8 0.32 21 474 6053 -22.7 -39.7 20 17.0 -24.8 266 25 310.1 310.1 285.7 311.0 0.26 22 444 6529 -27.5 -45.5 16 18.0 -29.1 268 25 309.9 309.9 285.5 310.4 0.15 23 400 7270 -34.1 -51.1 16 17.0 -35.1 270 25 310.7 310.7 285.7 311.0 0.09 24 398 7305 -34.5 -51.5 16 17.0 -35.5 270 25 310.6 310.6 285.7 310.9 0.08 25 394 7375 -34.9 -50.9 18 16.0 -35.8 269 25 311.0 311.0 285.8 311.3 0.09 26 300 9210 -51.3 -61.3 29 10.0 -51.5 250 23 313.0 313.0 286.5 313.2 0.03 27 250 10370 -58.7 -68.7 26 10.0 -58.8 245 21 318.8 318.8 288.3 318.9 0.01 28 216 11281 -64.7 -73.7 28 9.0 -64.8 270 25 323.1 323.1 289.7 323.1 0.01 29 200 11760 -59.1 -69.1 26 10.0 -59.2 280 29 339.2 339.2 294.1 339.2 0.02 30 150 13580 -54.7 -65.7 24 11.0 -55.0 285 35 375.8 375.8 301.6 376.0 0.04 31 100 16160 -57.3 -71.3 15 14.0 -57.6 295 31 417.0 417.0 307.4 417.1 0.03 32 70 18420 -57.3 -73.3 11 16.0 -57.8 285 23 461.8 461.8 312.0 462.0 0.03 33 64 18989 -56.3 -72.3 12 16.0 -56.9 289 22 476.0 476.0 313.1 476.2 0.03 34 59 19504 -59.3 -75.3 11 16.0 -59.8 293 22 480.4 480.5 313.5 480.6 0.02 35 55 19946 -57.9 -73.9 11 16.0 -58.5 296 22 493.4 493.4 314.5 493.6 0.03 36 50 20550 -56.3 -73.3 10 17.0 -57.1 300 21 510.8 510.8 315.7 511.0 0.04 37 47 20942 -56.9 -73.9 10 17.0 -57.7 518.5 518.5 316.2 518.7 0.04 38 43 21507 -56.3 -74.3 9 18.0 -57.2 533.3 533.3 317.1 533.6 0.04 TRP 216 11281 -64.7 -73.7 28 9.0 -64.8 270 25 323.1 323.1 289.7 323.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5496.00 m Freezing level: 752.57 mb = 2512.71 m = 8243.70 ft Wetbulb zero: 799.23 mb = 2026.36 m = 6648.08 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 39.71 % Est. max temperature: 22.05 C = 71.69 F Sfc-Lift cond lev (LCL): 795.94 mb = 2060.04 m = 6758.57 ft T: 3.63 C 700-500 lapse rate: 6.22 C/km ThetaE index: 3.22 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 716.27 mb = 2904.63 m = 9529.52 ft Mean mixing ratio: 4.26 g/kg Conv temperature: 24.91 C = 76.83 F Cap Strength: 6.05 C Lifted Index: 6.26 C Risk: None Lifted Index @300 mb: 7.10 C Lifted Index @700 mb: 3.16 C Showalter Index: 4.62 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 18.30 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 67.00 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.64 J/kg Max Up Vert Vel: 1.81 m/s Conv Inhibition (B-): 29214.24 J/kg Cap Strength: 6.23 C Lift Cond Lev (LCL): 784.16 mb = 2180.51 m = 7153.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 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 1011 71 180 5 0.0 5.0 | 127 20 -15.8 11.7 1 1000 164 190 11 1.9 10.8 | 142 22 -13.9 17.6 2 925 822 205 15 6.3 13.6 | 155 22 -9.5 20.3 3 850 1523 260 21 20.7 3.6 | 205 11 4.9 10.4 4 700 3087 275 27 26.9 -2.4 | 248 12 11.1 4.4 5 500 5660 265 25 24.9 2.2 | 226 13 9.1 8.9 6 400 7270 270 25 25.0 -0.0 | 234 11 9.2 6.7 7 300 9210 250 23 21.6 7.9 | 202 16 5.8 14.6 8 250 10370 245 21 19.0 8.9 | 192 16 3.2 15.6 9 216 11281 270 25 25.0 -0.0 | 234 11 9.2 6.7 10 200 11760 280 29 28.6 -5.0 | 262 13 12.7 1.7 11 150 13580 285 35 33.8 -9.1 | 277 18 18.0 -2.3 12 100 16160 295 31 28.1 -13.1 | 297 14 12.3 -6.4 13 70 18420 285 23 22.2 -6.0 | 263 6 6.4 0.8 14 50 20550 300 21 18.2 -10.5 | 328 4 2.4 -3.8 Wind Parameters Mean winds (0-6000m): 263.1 at 22.9 knts Storm direction: 293.1 at 17.2 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 154.0 neg: 0.0 tot: 154.0 m^2/s^2 ave: 51.3 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 62.00 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 ------------------------------------------------------------------------------- 500 194 11 144 22| 9.2 0.0 9.2| 49.1 0.0 49.1 98.3 0.93| 9.6 8.9 1000 203 13 151 22| 7.2 0.0 7.2| 89.0 0.0 89.0 89.0 0.91| 8.9 8.1 1500 222 15 163 19| 7.2 0.0 7.2|129.0 0.0 129.0 86.0 0.86| 10.3 8.8 2000 236 17 174 16| 6.0 0.0 6.0|136.9 0.0 136.9 68.5 0.87| 8.4 7.3 2500 245 18 184 14| 5.3 0.0 5.3|145.2 0.0 145.2 58.1 0.88| 7.3 6.4 3000 253 20 193 13| 4.8 0.0 4.8|154.0 0.0 154.0 51.3 0.89| 6.6 5.8 4000 259 21 206 12| 3.6 0.2 3.8|154.0 -5.8 148.2 37.0 0.80| 5.2 4.1 5000 262 22 213 12| 2.9 0.4 3.2|154.0 -11.9 142.1 28.4 0.72| 4.3 3.1 6000 263 23 216 12| 2.4 0.4 2.8|155.4 -15.5 139.9 23.3 0.68| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250424.12.gif