UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 12 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 1009 72 -9.9 -15.9 61 6.0 -11.2 200 5 262.6 262.8 261.4 265.6 1.09 1 1000 141 -10.1 -17.1 57 7.0 -11.6 205 15 263.0 263.2 261.6 265.8 1.00 2 975 336 -10.3 -17.3 56 7.0 -11.8 213 21 264.8 264.9 262.9 267.6 1.01 3 962 441 -4.5 -14.5 46 10.0 -7.1 217 25 271.6 271.9 268.2 275.3 1.29 4 925 751 -2.9 -19.9 26 17.0 -7.0 230 35 276.3 276.5 270.4 278.8 0.85 5 901 959 -1.9 -22.9 18 21.0 -6.8 235 34 279.5 279.6 272.0 281.5 0.67 6 850 1420 -3.5 -30.5 10 27.0 -8.7 245 33 282.5 282.5 273.2 283.6 0.35 7 846 1457 -3.9 -30.9 10 27.0 -9.0 245 33 282.4 282.5 273.2 283.5 0.34 8 811 1789 -5.5 -34.5 8 29.0 -10.4 244 33 284.2 284.2 274.0 285.0 0.25 9 739 2515 -8.1 -43.1 4 35.0 -12.9 241 33 289.0 289.0 276.3 289.4 0.11 10 716 2760 -8.3 -34.3 10 26.0 -12.8 241 33 291.4 291.5 277.8 292.4 0.29 11 700 2935 -9.7 -23.7 31 14.0 -12.9 240 33 291.7 291.9 278.7 294.3 0.81 12 684 3113 -11.1 -21.1 43 10.0 -13.5 241 33 292.1 292.3 279.3 295.3 1.04 13 562 4585 -22.5 -26.0 73 3.5 -23.1 253 38 295.6 295.7 280.5 298.2 0.82 14 532 4988 -22.5 -27.3 65 4.8 -23.4 256 39 300.2 300.4 282.5 302.7 0.77 15 531 5001 -22.5 -27.3 65 4.8 -23.4 256 39 300.4 300.5 282.5 302.9 0.77 16 500 5440 -25.3 -29.4 69 4.1 -25.9 260 40 302.2 302.3 283.2 304.4 0.67 17 450 6199 -28.9 -32.7 70 3.8 -29.4 267 45 306.9 307.0 284.8 308.8 0.54 18 400 7030 -35.5 -39.2 69 3.7 -35.8 275 50 308.9 308.9 285.3 310.0 0.32 19 300 8970 -51.9 -55.7 64 3.8 -52.0 290 54 312.2 312.2 286.2 312.5 0.07 20 268 9687 -57.7 -61.5 62 3.8 -57.8 305 60 314.0 314.0 286.8 314.1 0.04 21 250 10120 -61.3 -65.1 61 3.8 -61.3 305 58 314.9 314.9 287.1 315.0 0.02 22 214 11071 -68.5 -72.2 59 3.7 -68.5 302 54 318.1 318.1 288.1 318.1 0.01 23 200 11480 -66.1 -69.9 59 3.8 -66.1 300 52 328.1 328.1 291.2 328.1 0.02 24 182 12057 -63.1 -67.0 59 3.9 -63.1 293 49 341.9 341.9 294.8 342.0 0.03 25 150 13240 -65.7 -69.7 57 4.0 -65.7 280 44 356.9 356.9 298.1 357.0 0.02 26 135 13879 -66.3 -70.4 56 4.1 -66.4 366.8 366.8 300.0 366.9 0.02 TRP WND 268 9687 -57.7 -61.5 62 3.8 -57.8 305 60 314.0 314.0 286.8 314.1 0.04 Sounding variables and indices 1000-500 mb thick: 5299.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 38.99 % Est. max temperature: 9.51 C = 49.11 F Sfc-Lift cond lev (LCL): 916.21 mb = 826.58 m = 2711.84 ft T: -2.54 C 700-500 lapse rate: 6.23 C/km ThetaE index: 0.07 C Layer 846.0- 811.0 mb Conv cond level (CCL): 505.93 mb = 5353.99 m = 17565.36 ft Mean mixing ratio: 1.02 g/kg Conv temperature: 29.46 C = 85.03 F Cap Strength: 22.95 C Lifted Index: 23.96 C Risk: None Lifted Index @300 mb: 27.59 C Lifted Index @700 mb: 18.11 C Showalter Index: 15.81 C Risk: None Total Totals Index: 16.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: -5.20 C K Index: -22.70 Risk: None Sweat Index: 163.35 Risk: None Energy Index: 4.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.20 J/kg Max Up Vert Vel: 12.26 m/s Conv Inhibition (B-): 15018.27 J/kg Cap Strength: 23.65 C Lift Cond Lev (LCL): 798.78 mb = 1907.90 m = 6259.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 26 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 1009 72 200 5 1.7 4.7 | 108 25 -24.0 7.8 1 1000 141 205 15 6.3 13.6 | 131 26 -19.3 16.7 2 925 751 230 35 26.8 22.5 | 183 26 1.1 25.6 3 850 1420 245 33 29.9 13.9 | 194 18 4.2 17.1 4 700 2935 240 33 28.6 16.5 | 188 20 2.9 19.6 5 500 5440 260 40 39.4 6.9 | 234 17 13.7 10.1 6 400 7030 275 50 49.8 -4.4 | 273 24 24.1 -1.2 7 300 8970 290 54 50.7 -18.5 | 301 29 25.1 -15.3 8 268 9687 305 60 49.1 -34.4 | 323 39 23.5 -31.3 9 250 10120 305 58 47.5 -33.3 | 324 37 21.8 -30.1 10 200 11480 300 52 45.0 -26.0 | 320 30 19.3 -22.9 11 150 13240 280 44 43.3 -7.6 | 284 18 17.6 -4.5 Wind Parameters Mean winds (0-6000m): 246.9 at 34.5 knts Storm direction: 276.9 at 25.9 knts Shear (0-3000m) pos: 5.1 neg: 0.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 245.4 neg: -8.2 tot: 237.2 m^2/s^2 ave: 79.1 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 6.2 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.41 Bulk Shear: 53.25 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 ------------------------------------------------------------------------------- 500 216 20 145 24| 25.3 0.0 25.3|170.2 0.0 170.2 340.4 1.00| 26.5 26.5 1000 227 27 164 22| 15.5 0.0 15.5|231.5 0.0 231.5 231.5 0.94| 19.2 18.0 1500 232 29 173 21| 10.2 0.0 10.2|242.2 -0.6 241.6 161.1 0.88| 14.4 12.7 2000 235 30 177 20| 7.6 0.2 7.9|242.2 -3.4 238.8 119.4 0.85| 11.1 9.4 2500 237 31 180 20| 6.1 0.4 6.5|242.2 -6.4 235.8 94.3 0.82| 9.0 7.4 3000 238 31 182 20| 5.1 0.3 5.4|245.4 -8.2 237.2 79.1 0.80| 7.7 6.2 4000 240 32 186 19| 4.3 0.3 4.5|271.9 -8.2 263.7 65.9 0.82| 6.5 5.3 5000 243 33 192 19| 3.8 0.2 4.0|299.0 -8.2 290.8 58.2 0.83| 5.8 4.9 6000 247 34 200 18| 3.7 0.2 3.8|335.3 -8.2 327.1 54.5 0.85| 5.6 4.7 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251212.00.gif