UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 31 OCT 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 ------------------------------------------------------------------------------- 0 1000 52 300 5 SFC 998 68 5.6 4.2 91 1.4 4.9 300 5 278.9 279.8 278.2 293.1 5.18 2 925 685 1.0 -0.2 92 1.2 0.5 335 19 280.3 281.0 277.4 291.6 4.07 3 889 1003 -1.3 -2.4 92 1.1 -1.7 333 20 281.2 281.8 277.3 291.2 3.60 4 876 1121 -0.9 -1.8 94 0.9 -1.3 332 20 282.8 283.4 278.4 293.5 3.82 5 850 1361 -2.1 -3.4 91 1.3 -2.6 330 21 283.9 284.6 278.6 293.9 3.50 6 701 2873 -8.9 -10.4 89 1.5 -9.4 290 15 292.5 292.9 281.3 299.9 2.47 7 700 2884 -8.9 -10.4 89 1.5 -9.4 290 15 292.6 293.1 281.3 300.0 2.47 8 587 4227 -17.1 -19.2 84 2.1 -17.6 261 20 298.2 298.4 282.4 302.7 1.43 9 500 5410 -26.3 -28.9 79 2.6 -26.7 235 25 301.0 301.1 282.7 303.3 0.70 10 460 6005 -30.5 -32.3 84 1.8 -30.7 226 34 303.0 303.1 283.3 304.8 0.55 11 400 6980 -37.5 -43.5 53 6.0 -37.9 210 48 306.3 306.3 284.2 307.0 0.20 12 379 7351 -40.3 -47.3 47 7.0 -40.7 208 57 307.3 307.3 284.5 307.8 0.14 13 376 7405 -40.5 -47.5 47 7.0 -40.9 207 58 307.8 307.8 284.7 308.3 0.14 14 314 8618 -47.3 -56.2 35 8.9 -47.6 200 87 314.6 314.6 287.0 314.8 0.06 15 312 8661 -47.5 -56.5 35 9.0 -47.8 201 86 314.9 314.9 287.1 315.1 0.06 16 300 8920 -48.5 -58.5 30 10.0 -48.8 205 81 317.0 317.0 287.8 317.2 0.05 17 250 10100 -53.5 -63.5 28 10.0 -53.7 205 75 326.5 326.5 290.7 326.6 0.03 18 224 10808 -53.1 -63.1 29 10.0 -53.3 207 67 337.6 337.6 293.7 337.7 0.04 19 216 11043 -52.5 -62.5 29 10.0 -52.7 208 64 342.0 342.0 294.8 342.2 0.04 20 200 11540 -53.5 -63.5 28 10.0 -53.7 210 58 348.0 348.1 296.3 348.2 0.04 21 150 13400 -54.9 -64.9 28 10.0 -55.2 220 40 375.5 375.5 301.5 375.7 0.04 22 133 14165 -56.3 -66.3 27 10.0 -56.6 226 34 386.1 386.1 303.2 386.3 0.04 23 100 15960 -59.3 -69.3 26 10.0 -59.5 240 21 413.2 413.2 306.9 413.3 0.03 24 70 18180 -61.5 -71.5 25 10.0 -61.7 265 19 452.8 452.8 311.1 453.0 0.04 25 57 19448 -63.5 -73.5 24 10.0 -63.7 475.7 475.7 313.1 475.9 0.03 TRP 250 10100 -53.5 -63.5 28 10.0 -53.7 205 75 326.5 326.5 290.7 326.6 0.03 WND 314 8618 -47.3 -56.2 35 8.9 -47.6 200 87 314.6 314.6 287.0 314.8 0.06 Sounding variables and indices 1000-500 mb thick: 5358.00 m Freezing level: 909.35 mb = 823.31 m = 2701.13 ft Wetbulb zero: 917.10 mb = 753.73 m = 2472.82 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 87.35 % Est. max temperature: 10.74 C = 51.33 F Sfc-Lift cond lev (LCL): 976.70 mb = 243.48 m = 798.81 ft T: 4.29 C 700-500 lapse rate: 6.89 C/km ThetaE index: 1.83 C Layer 925.0- 876.0 mb Conv cond level (CCL): 923.17 mb = 700.85 m = 2299.36 ft Mean mixing ratio: 4.42 g/kg Conv temperature: 7.06 C = 44.71 F Cap Strength: 7.55 C Lifted Index: 8.34 C Risk: None Lifted Index @300 mb: 17.69 C Lifted Index @700 mb: 5.32 C Showalter Index: 7.02 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 22.90 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 67.00 Risk: None Energy Index: 1.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.83 J/kg Max Up Vert Vel: 3.70 m/s Conv Inhibition (B-): 26156.54 J/kg Cap Strength: 8.23 C Lift Cond Lev (LCL): 929.62 mb = 644.52 m = 2114.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 15 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 ---------------------------------------------------------- 0 998 68 300 5 4.3 -2.5 | 129 10 -7.7 6.3 1 925 685 335 19 8.0 -17.2 | 25 9 -4.0 -8.4 2 850 1361 330 21 10.5 -18.2 | 9 10 -1.5 -9.4 3 700 2884 290 15 14.1 -5.1 | 210 4 2.1 3.7 4 500 5410 235 25 20.5 14.3 | 200 25 8.5 23.1 5 400 6980 210 48 24.0 41.6 | 193 52 12.0 50.4 6 314 8618 200 87 29.8 81.8 | 191 92 17.8 90.5 7 300 8920 205 81 34.2 73.4 | 195 85 22.2 82.2 8 250 10100 205 75 31.7 68.0 | 194 79 19.7 76.8 9 200 11540 210 58 29.0 50.2 | 196 61 17.0 59.0 10 150 13400 220 40 25.7 30.6 | 199 42 13.7 39.4 11 100 15960 240 21 18.2 10.5 | 198 20 6.2 19.3 12 70 18180 265 19 18.9 1.7 | 214 13 6.9 10.4 Wind Parameters Mean winds (0-6000m): 276.2 at 19.8 knts Storm direction: 306.2 at 14.9 knts Shear (0-3000m) pos: 2.8 neg: 2.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 85.7 deg Storm rel helicity (0-3000m) pos: 0.4 neg: -29.5 tot: -29.1 m^2/s^2 ave: -9.7 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 5.8 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 31.10 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 ------------------------------------------------------------------------------- 500 326 11 90 6| 12.5 0.0 12.5| 0.0 -10.3 -10.3 -20.6 -0.64| 13.1 -8.4 1000 331 15 48 6| 8.3 0.0 8.3| 0.0 -16.1 -16.1 -16.1 -0.62| 8.9 -5.5 1500 330 17 32 7| 5.5 0.9 6.4| 0.0 -21.3 -21.3 -14.2 -0.63| 7.1 -4.4 2000 327 17 24 6| 4.1 1.8 6.0| 0.0 -25.2 -25.2 -12.6 -0.61| 6.5 -4.0 2500 323 17 17 5| 3.3 2.3 5.6| 0.0 -27.9 -27.9 -11.2 -0.65| 6.1 -4.0 3000 319 17 12 4| 2.8 2.5 5.3| 0.4 -29.5 -29.1 -9.7 -0.63| 5.8 -3.6 4000 308 17 319 2| 2.1 2.9 4.9| 1.0 -31.3 -30.3 -7.6 -0.51| 5.3 -2.7 5000 293 18 251 5| 1.7 3.2 4.8| 1.0 -47.0 -46.0 -9.2 -0.49| 5.2 -2.5 6000 276 20 229 10| 1.4 3.9 5.2| 2.8 -61.2 -58.4 -9.7 -0.41| 5.6 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251031.12.gif