UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U7707... Searching the city database file for: U7707 ... Date:1200Z 7 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 215 160 3 SFC 997 239 -0.7 -1.9 92 1.2 -1.2 160 3 272.7 273.2 272.1 281.7 3.33 2 974 425 -1.9 -3.5 89 1.6 -2.5 172 7 273.3 273.8 272.1 281.6 3.03 3 948 642 0.2 -1.8 86 2.0 -0.6 187 12 277.6 278.2 275.2 287.3 3.53 4 925 838 -1.9 -5.4 77 3.5 -3.2 200 17 277.4 277.8 274.0 285.1 2.76 5 850 1500 -7.1 -8.7 88 1.6 -7.6 205 17 278.7 279.1 274.2 285.3 2.33 6 842 1574 -7.5 -9.0 89 1.5 -8.0 207 17 279.0 279.4 274.3 285.5 2.29 7 839 1602 -4.9 -6.8 87 1.9 -5.6 208 17 282.1 282.5 276.6 289.8 2.73 8 800 1980 1.0 -17.0 25 18.0 -4.6 217 17 292.2 292.4 279.6 296.1 1.26 9 707 2967 -2.3 -32.3 8 30.0 -8.7 243 17 299.1 299.2 281.4 300.3 0.36 10 700 3046 -3.1 -31.1 9 28.0 -9.2 245 17 299.1 299.1 281.5 300.4 0.41 11 621 3981 -9.5 -34.5 11 25.0 -14.0 256 21 302.1 302.2 282.7 303.3 0.33 12 500 5610 -22.7 -40.7 18 18.0 -24.8 275 29 305.4 305.4 283.8 306.1 0.22 13 457 6261 -27.5 -44.5 18 17.0 -29.0 279 31 307.3 307.3 284.5 307.9 0.16 14 400 7200 -35.5 -46.5 32 11.0 -36.2 285 35 308.9 308.9 285.1 309.4 0.15 15 301 9118 -51.5 -58.5 43 7.0 -51.7 280 35 312.5 312.5 286.2 312.6 0.05 16 300 9140 -51.7 -58.7 43 7.0 -51.8 280 35 312.5 312.5 286.3 312.7 0.05 17 251 10275 -60.9 -66.9 45 6.0 -61.0 285 27 315.2 315.2 287.2 315.2 0.02 18 250 10300 -61.1 -67.1 45 6.0 -61.2 285 27 315.2 315.2 287.2 315.3 0.02 19 200 11650 -69.3 -75.3 41 6.0 -69.3 275 25 323.0 323.0 289.7 323.0 0.01 20 186 12080 -71.5 -77.5 40 6.0 -71.5 275 19 326.2 326.2 290.6 326.2 0.01 21 163 12864 -68.7 -74.7 42 6.0 -68.7 275 21 343.5 343.5 295.1 343.5 0.01 22 150 13360 -69.1 -75.1 41 6.0 -69.1 275 23 351.1 351.1 296.8 351.1 0.01 23 130 14221 -66.9 -73.9 37 7.0 -67.0 277 25 369.7 369.7 300.5 369.7 0.01 24 100 15800 -68.7 -75.7 36 7.0 -68.8 280 29 395.0 395.0 304.5 395.1 0.01 25 70 17930 -70.3 -78.3 30 8.0 -70.4 270 33 434.0 434.0 309.3 434.1 0.01 26 50 19920 -72.7 -80.7 29 8.0 -72.8 270 40 472.2 472.2 312.8 472.2 0.01 27 36 21851 -71.3 -80.3 25 9.0 -71.5 273 49 522.3 522.3 316.5 522.4 0.02 28 30 22920 -73.7 -82.7 24 9.0 -73.8 275 54 543.7 543.7 317.8 543.8 0.01 29 24 24220 -75.1 -84.1 23 9.0 -75.2 272 60 575.5 575.5 319.5 575.6 0.01 30 20 25280 -74.3 -84.3 20 10.0 -74.5 270 64 608.7 608.7 321.0 608.9 0.02 31 13 27803 -72.1 -83.0 18 10.8 -72.5 275 81 696.1 696.2 324.3 696.4 0.03 32 12 28275 -71.7 -82.7 18 11.0 -72.1 713.7 713.7 324.8 714.0 0.04 TRP 186 12080 -71.5 -77.5 40 6.0 -71.5 275 19 326.2 326.2 290.6 326.2 0.01 WND 13 27803 -72.1 -83.0 18 10.8 -72.5 275 81 696.1 696.2 324.3 696.4 0.03 Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: Surface below freezing Freezing level: 950.48 mb = 621.05 m = 2037.54 ft Freezing level: 945.81 mb = 660.35 m = 2166.48 ft Freezing level: 806.61 mb = 1915.90 m = 6285.67 ft Freezing level: 771.82 mb = 2279.15 m = 7477.44 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 34.36 % Est. max temperature: 5.44 C = 41.80 F Sfc-Lift cond lev (LCL): 978.33 mb = 389.97 m = 1279.41 ft T: -1.67 C 700-500 lapse rate: 7.64 C/km ThetaE index: 2.24 C Layer 925.0- 850.0 mb Conv cond level (CCL): 883.84 mb = 1194.38 m = 3918.52 ft Mean mixing ratio: 3.05 g/kg Conv temperature: 4.71 C = 40.48 F Cap Strength: 17.32 C Lifted Index: 17.77 C Risk: None Lifted Index @300 mb: 19.91 C Lifted Index @700 mb: 16.33 C Showalter Index: 17.12 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 14.00 C K Index: -21.10 Risk: None Sweat Index: 205.46 Risk: None Energy Index: 4.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.56 J/kg Max Up Vert Vel: 7.01 m/s Conv Inhibition (B-): 55701.48 J/kg Cap Strength: 17.78 C Lift Cond Lev (LCL): 912.49 mb = 944.58 m = 3098.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 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 ---------------------------------------------------------- 0 997 239 160 3 -1.0 2.8 | 109 17 -16.1 5.4 1 925 838 200 17 5.8 16.0 | 154 21 -9.2 18.6 2 850 1500 205 17 7.2 15.4 | 156 20 -7.8 18.0 3 700 3046 245 17 15.4 7.2 | 182 10 0.4 9.8 4 500 5610 275 29 28.9 -2.5 | 270 14 13.9 0.1 5 400 7200 285 35 33.8 -9.1 | 289 20 18.8 -6.4 6 300 9140 280 35 34.5 -6.1 | 280 20 19.4 -3.5 7 250 10300 285 27 26.1 -7.0 | 292 12 11.1 -4.4 8 200 11650 275 25 24.9 -2.2 | 267 10 9.9 0.4 9 186 12080 275 19 18.9 -1.7 | 256 4 3.9 1.0 10 150 13360 275 23 22.9 -2.0 | 266 8 7.9 0.6 11 100 15800 280 29 28.6 -5.0 | 280 14 13.5 -2.4 12 70 17930 270 33 33.0 -0.0 | 262 18 18.0 2.6 13 50 19920 270 40 40.0 -0.0 | 264 25 25.0 2.6 14 30 22920 275 54 53.8 -4.7 | 273 39 38.8 -2.1 15 20 25280 270 64 64.0 -0.0 | 267 49 49.0 2.6 Wind Parameters Mean winds (0-6000m): 249.9 at 20.3 knts Storm direction: 279.9 at 15.3 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 80.1 deg Storm rel helicity (0-3000m) pos: 112.8 neg: 0.0 tot: 112.8 m^2/s^2 ave: 37.6 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.63 Bulk Shear: 38.92 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 ------------------------------------------------------------------------------- 500 193 9 131 17| 12.6 0.0 12.6| 62.2 0.0 62.2 124.4 0.95| 13.3 12.6 1000 198 13 143 18| 7.7 0.0 7.7| 81.5 0.0 81.5 81.5 0.95| 8.6 8.1 1500 201 14 148 19| 5.2 0.0 5.2| 89.5 0.0 89.5 59.6 0.91| 6.6 6.0 2000 206 15 152 18| 4.1 0.0 4.1| 99.5 0.0 99.5 49.8 0.86| 5.9 5.1 2500 211 15 156 17| 3.4 0.0 3.4|106.7 0.0 106.7 42.7 0.81| 5.5 4.5 3000 217 16 159 16| 3.1 0.0 3.1|112.8 0.0 112.8 37.6 0.79| 5.2 4.1 4000 228 17 169 14| 3.0 0.0 3.0|128.6 0.0 128.6 32.2 0.82| 4.7 3.9 5000 240 18 184 12| 2.9 0.0 2.9|147.4 0.0 147.4 29.5 0.84| 4.5 3.8 6000 250 20 203 10| 2.8 0.0 2.8|164.3 0.0 164.3 27.4 0.83| 4.2 3.5 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20251207.12.gif