UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for U7707... Searching the city database file for: U7707 ... Date:0000Z 30 DEC 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 -77 SFC 961 238 -6.3 -7.5 91 1.2 -6.7 180 1 269.9 270.3 268.7 276.1 2.26 2 925 538 -8.7 -10.2 89 1.5 -9.1 290 7 270.4 270.7 268.4 275.6 1.90 3 905 706 -7.5 -8.8 90 1.3 -7.9 277 8 273.3 273.7 270.7 279.4 2.17 4 850 1188 -8.9 -10.3 90 1.4 -9.3 240 11 276.8 277.2 272.6 282.6 2.05 5 766 1987 -13.3 -14.8 88 1.5 -13.7 251 9 280.4 280.7 274.0 285.0 1.58 6 700 2666 -18.3 -20.8 81 2.5 -18.8 260 7 282.2 282.4 274.2 285.3 1.04 7 562 4261 -31.5 -33.4 83 1.9 -31.7 237 11 284.9 285.0 274.7 286.2 0.41 8 500 5080 -36.3 -39.0 76 2.7 -36.5 225 13 288.8 288.8 276.5 289.6 0.26 9 400 6590 -46.7 -51.7 57 5.0 -46.9 215 17 294.3 294.3 278.9 294.6 0.08 10 351 7446 -52.3 -58.3 48 6.0 -52.4 224 17 297.9 298.0 280.5 298.1 0.04 11 300 8450 -56.9 -62.9 47 6.0 -57.0 235 17 305.1 305.1 283.5 305.2 0.03 12 281 8862 -59.3 -65.3 46 6.0 -59.4 230 15 307.5 307.5 284.4 307.5 0.02 13 273 9043 -56.9 -62.9 47 6.0 -57.0 236 15 313.5 313.5 286.6 313.6 0.03 14 250 9600 -56.9 -62.9 47 6.0 -57.0 255 13 321.5 321.5 289.2 321.6 0.03 15 200 11030 -53.7 -60.7 42 7.0 -53.9 270 33 347.7 347.7 296.2 348.0 0.05 16 181 11673 -51.7 -59.7 38 8.0 -52.0 270 28 361.1 361.1 299.0 361.4 0.07 17 150 12880 -55.1 -64.1 32 9.0 -55.4 270 19 375.1 375.2 301.5 375.4 0.05 18 127 13938 -56.9 -65.9 31 9.0 -57.1 272 26 390.2 390.2 303.9 390.4 0.04 19 112 14738 -55.1 -65.1 28 10.0 -55.5 274 31 407.8 407.8 306.3 408.1 0.05 20 100 15460 -55.9 -65.9 28 10.0 -56.2 275 36 419.7 419.7 307.7 420.0 0.05 21 70 17720 -59.5 -69.5 26 10.0 -59.8 280 46 457.1 457.1 311.5 457.4 0.05 22 61 18577 -61.7 -72.7 22 11.0 -62.0 276 53 470.5 470.6 312.7 470.7 0.03 23 50 19810 -61.1 -72.1 22 11.0 -61.5 270 64 499.5 499.5 314.9 499.8 0.05 24 44 20603 -61.1 -72.1 22 11.0 -61.6 269 67 518.1 518.1 316.2 518.4 0.05 25 30 22940 -68.3 -79.3 19 11.0 -68.6 265 77 558.4 558.5 318.6 558.6 0.02 26 27 23571 -68.8 -79.8 19 11.0 -69.1 265 85 574.2 574.2 319.4 574.4 0.03 27 25 24032 -69.1 -80.1 19 11.0 -69.4 586.0 586.0 320.0 586.2 0.03 TRP 281 8862 -59.3 -65.3 46 6.0 -59.4 230 15 307.5 307.5 284.4 307.5 0.02 WND 27 23571 -68.8 -79.8 19 11.0 -69.1 265 85 574.2 574.2 319.4 574.4 0.03 Sounding variables and indices 1000-500 mb thick: 5157.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 84.52 % Est. max temperature: 2.16 C = 35.88 F Sfc-Lift cond lev (LCL): 942.70 mb = 388.83 m = 1275.67 ft T: -7.51 C 700-500 lapse rate: 7.46 C/km ThetaE index: 0.42 C Layer 925.0- 905.0 mb Conv cond level (CCL): 816.86 mb = 1493.29 m = 4899.17 ft Mean mixing ratio: 2.09 g/kg Conv temperature: 1.91 C = 35.43 F Cap Strength: 6.27 C Lifted Index: 8.91 C Risk: None Lifted Index @300 mb: 19.02 C Lifted Index @700 mb: 5.59 C Showalter Index: 5.57 C Risk: None Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 26.00 C K Index: 14.60 Risk: None Sweat Index: 123.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.55 J/kg Max Up Vert Vel: 7.82 m/s Conv Inhibition (B-): 44899.75 J/kg Cap Strength: 8.92 C Lift Cond Lev (LCL): 890.07 mb = 833.86 m = 2735.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 267 at 8 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 ---------------------------------------------------------- 0 961 238 180 1 0.0 1.0 | 94 8 -7.7 0.6 1 925 538 290 7 6.6 -2.4 | 22 3 -1.1 -2.8 2 850 1188 240 11 9.5 5.5 | 200 5 1.8 5.1 3 700 2666 260 7 6.9 1.2 | 135 1 -0.8 0.8 4 500 5080 225 13 9.2 9.2 | 190 9 1.5 8.8 5 400 6590 215 17 9.8 13.9 | 189 14 2.0 13.5 6 300 8450 235 17 13.9 9.8 | 214 11 6.2 9.3 7 281 8862 230 15 11.5 9.6 | 202 10 3.8 9.2 8 250 9600 255 13 12.6 3.4 | 239 6 4.8 3.0 9 200 11030 270 33 33.0 -0.0 | 271 25 25.3 -0.4 10 150 12880 270 19 19.0 -0.0 | 272 11 11.3 -0.4 11 100 15460 275 36 35.9 -3.1 | 277 28 28.1 -3.5 12 70 17720 280 46 45.3 -8.0 | 283 39 37.6 -8.4 13 50 19810 270 64 64.0 -0.0 | 270 56 56.3 -0.4 14 30 22940 265 77 76.7 6.7 | 265 69 69.0 6.3 Wind Parameters Mean winds (0-6000m): 237.0 at 10.3 knts Storm direction: 267.0 at 7.7 knts Shear (0-3000m) pos: 1.4 neg: 1.3 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 92.7 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -6.4 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.11 Bulk Shear: 7.43 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 ------------------------------------------------------------------------------- 500 282 5 58 3| 8.6 0.0 8.6| 3.2 -3.2 0.0 0.0 -0.35| 12.8 -4.5 1000 261 8 166 1| 4.3 3.1 7.5| 3.2 -5.6 -2.3 -2.3 -0.45| 9.7 -4.4 1500 254 8 191 2| 2.8 2.1 4.9| 3.2 -5.7 -2.4 -1.6 -0.42| 7.1 -3.0 2000 252 9 192 2| 2.1 1.6 3.7| 3.2 -6.1 -2.8 -1.4 -0.41| 5.8 -2.4 2500 253 8 187 2| 1.7 1.3 2.9| 3.3 -6.4 -3.2 -1.3 -0.43| 4.9 -2.1 3000 253 8 186 2| 1.4 1.3 2.7| 3.7 -6.4 -2.7 -0.9 -0.36| 4.4 -1.6 4000 250 9 188 3| 1.0 1.4 2.5| 4.1 -6.5 -2.5 -0.6 -0.30| 3.7 -1.1 5000 243 9 189 4| 0.8 1.5 2.3| 4.1 -7.8 -3.7 -0.7 -0.29| 3.4 -1.0 6000 237 10 190 5| 0.7 1.5 2.2| 4.2 -8.3 -4.1 -0.7 -0.26| 3.1 -0.8 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20251230.00.gif