UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 3 DEC 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 1010 76 1.0 -1.2 85 2.2 0.1 240 5 273.4 273.9 272.8 282.8 3.46 1 1000 156 -0.3 -2.1 88 1.8 -1.0 260 13 272.9 273.4 272.2 281.7 3.27 2 925 776 -3.9 -5.6 88 1.7 -4.5 315 13 275.3 275.8 272.8 282.8 2.72 3 892 1062 -4.5 -5.7 91 1.2 -4.9 306 16 277.6 278.0 274.2 285.4 2.80 4 850 1442 -4.7 -5.5 94 0.8 -5.0 295 21 281.2 281.7 276.5 289.6 2.98 5 783 2086 -6.1 -7.4 90 1.3 -6.6 299 23 286.4 286.9 278.9 294.5 2.80 6 700 2954 -11.7 -13.9 84 2.2 -12.3 305 25 289.5 289.9 279.1 295.1 1.86 7 500 5450 -28.1 -30.5 80 2.4 -28.4 280 27 298.8 298.9 281.7 300.8 0.60 8 473 5846 -31.1 -33.7 78 2.6 -31.4 278 28 299.8 299.9 281.9 301.4 0.47 9 404 6942 -40.9 -43.8 73 2.9 -41.1 270 31 301.0 301.0 282.0 301.7 0.19 10 400 7010 -41.5 -44.4 73 2.9 -41.6 270 31 301.1 301.1 282.0 301.7 0.18 11 300 8900 -56.1 -59.7 64 3.6 -56.2 275 31 306.3 306.3 284.0 306.4 0.04 12 279 9356 -58.9 -62.6 62 3.7 -58.9 275 33 308.7 308.7 284.8 308.8 0.03 13 257 9868 -60.3 -64.0 62 3.7 -60.3 275 36 313.9 313.9 286.8 314.0 0.03 14 250 10040 -59.3 -63.1 61 3.8 -59.3 280 36 317.9 317.9 288.1 318.0 0.03 15 201 11418 -58.5 -62.8 58 4.3 -58.6 304 36 339.6 339.6 294.3 339.8 0.04 16 200 11450 -58.5 -62.8 58 4.3 -58.6 305 36 340.1 340.1 294.4 340.3 0.04 17 155 13054 -58.7 -64.7 46 6.0 -58.8 305 33 365.5 365.5 299.8 365.7 0.04 18 150 13260 -59.3 -65.3 46 6.0 -59.4 305 33 367.9 367.9 300.2 368.1 0.04 19 108 15308 -61.3 -68.3 39 7.0 -61.4 400.4 400.4 305.3 400.6 0.04 TRP 257 9868 -60.3 -64.0 62 3.7 -60.3 275 36 313.9 313.9 286.8 314.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5294.00 m Freezing level: 1002.31 mb = 137.60 m = 451.45 ft Wetbulb zero: 1008.77 mb = 86.05 m = 282.32 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 85.73 % Est. max temperature: 7.98 C = 46.37 F Sfc-Lift cond lev (LCL): 975.91 mb = 349.91 m = 1148.00 ft T: -1.43 C 700-500 lapse rate: 6.57 C/km ThetaE index: 1.04 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 773.44 mb = 2181.44 m = 7156.87 ft Mean mixing ratio: 2.99 g/kg Conv temperature: 14.42 C = 57.95 F Cap Strength: 9.14 C Lifted Index: 13.89 C Risk: None Lifted Index @300 mb: 16.89 C Lifted Index @700 mb: 9.14 C Showalter Index: 8.38 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 22.60 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 69.00 Risk: None Energy Index: 2.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.80 J/kg Max Up Vert Vel: 4.43 m/s Conv Inhibition (B-): 14830.32 J/kg Cap Strength: 13.79 C Lift Cond Lev (LCL): 933.20 mb = 705.82 m = 2315.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 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 1010 76 240 5 4.3 2.5 | 159 17 -6.1 16.2 1 1000 156 260 13 12.8 2.3 | 188 16 2.4 16.0 2 925 776 315 13 9.2 -9.2 | 165 5 -1.2 4.5 3 850 1442 295 21 19.0 -8.9 | 241 10 8.6 4.8 4 700 2954 305 25 20.5 -14.3 | 274 10 10.0 -0.6 5 500 5450 280 27 26.6 -4.7 | 241 19 16.2 9.0 6 400 7010 270 31 31.0 -0.0 | 236 25 20.6 13.7 7 300 8900 275 31 30.9 -2.7 | 242 23 20.4 11.0 8 257 9868 275 36 35.9 -3.1 | 247 28 25.4 10.6 9 250 10040 280 36 35.5 -6.3 | 253 26 25.0 7.5 10 200 11450 305 36 29.5 -20.6 | 290 20 19.1 -6.9 11 150 13260 305 33 27.0 -18.9 | 287 17 16.6 -5.2 Wind Parameters Mean winds (0-6000m): 292.7 at 23.0 knts Storm direction: 322.7 at 17.2 knts Shear (0-3000m) pos: 3.4 neg: 1.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 62.0 neg: -5.9 tot: 56.1 m^2/s^2 ave: 18.7 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 18.20 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 ------------------------------------------------------------------------------- 500 276 12 188 13| 11.4 0.0 11.4| 38.1 -1.3 36.8 73.7 0.52| 17.2 8.9 1000 294 13 191 9| 7.9 0.0 7.9| 42.8 -5.0 37.8 37.8 0.41| 12.9 5.3 1500 295 15 205 8| 5.2 2.0 7.2| 48.8 -5.0 43.8 29.2 0.43| 10.7 4.6 2000 296 17 217 8| 4.4 1.5 5.9| 53.5 -5.0 48.5 24.3 0.46| 8.5 3.9 2500 297 18 227 8| 3.9 1.2 5.1| 58.4 -5.0 53.4 21.4 0.49| 7.2 3.5 3000 299 19 236 8| 3.4 1.0 4.4| 62.0 -5.9 56.1 18.7 0.50| 6.3 3.1 4000 299 21 245 9| 2.6 1.2 3.8| 62.0 -16.0 46.1 11.5 0.37| 5.3 1.9 5000 296 22 247 10| 2.1 1.4 3.4| 62.0 -28.6 33.5 6.7 0.26| 4.7 1.2 6000 293 23 246 12| 1.7 1.5 3.2| 62.0 -37.0 25.1 4.2 0.20| 4.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251203.12.gif