UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U3802... Searching the city database file for: U3802 ... Date:1200Z 9 DEC 25 Station: U3802 WMO ident: 23802 Latitude: 61.68 Longitude: 50.78 ------------------------------------------------------------------------------- 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 1008 115 -12.7 -15.8 78 3.1 -13.3 180 5 259.9 260.0 259.3 262.8 1.11 1 1000 176 -13.3 -16.8 75 3.5 -14.0 190 11 259.9 260.0 259.2 262.6 1.02 2 956 520 -15.1 -18.0 78 2.9 -15.6 219 25 261.4 261.5 260.3 264.0 0.97 3 925 774 -7.7 -9.3 88 1.6 -8.2 240 36 271.4 271.8 269.3 277.1 2.04 4 923 791 -7.5 -9.1 88 1.6 -8.0 240 36 271.8 272.2 269.6 277.5 2.08 5 905 945 -8.7 -9.9 91 1.2 -9.1 236 39 272.1 272.4 269.7 277.6 1.99 6 887 1102 -7.1 -8.5 90 1.4 -7.5 233 42 275.3 275.7 272.1 281.7 2.26 7 850 1435 -7.7 -9.3 88 1.6 -8.2 225 48 278.1 278.5 273.6 284.4 2.22 8 791 1990 -9.7 -12.6 79 2.9 -10.5 232 45 281.7 282.0 275.1 287.0 1.83 9 722 2687 -13.5 -16.9 75 3.4 -14.3 242 41 285.0 285.2 276.2 289.2 1.41 10 700 2921 -14.3 -18.1 73 3.8 -15.2 245 40 286.6 286.9 276.9 290.6 1.31 11 658 3388 -15.5 -18.5 78 3.0 -16.2 246 39 290.4 290.7 278.9 294.5 1.35 12 519 5141 -25.9 -29.1 74 3.2 -26.4 249 34 298.3 298.4 281.5 300.4 0.66 13 500 5410 -28.1 -31.3 74 3.2 -28.5 250 33 298.8 298.9 281.6 300.6 0.56 14 400 6970 -41.3 -44.6 70 3.3 -41.5 255 38 301.3 301.3 282.1 301.9 0.18 15 384 7246 -43.7 -47.0 70 3.3 -43.9 301.7 301.7 282.3 302.2 0.14 16 374 7423 -44.5 -47.7 70 3.2 -44.6 302.9 302.9 282.8 303.4 0.14 TRP WND Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 78.79 % Est. max temperature: 4.96 C = 40.92 F Sfc-Lift cond lev (LCL): 958.75 mb = 497.68 m = 1632.79 ft T: -14.99 C 700-500 lapse rate: 5.54 C/km ThetaE index: 0.22 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 992.44 mb = 233.97 m = 767.61 ft Mean mixing ratio: 1.35 g/kg Conv temperature: -12.44 C = 9.60 F Cap Strength: 25.23 C Lifted Index: 25.32 C Risk: None Lifted Index @700 mb: 17.79 C Showalter Index: 12.43 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.80 C K Index: 7.30 Risk: None Sweat Index: 206.83 Risk: None Energy Index: 3.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.18 J/kg Max Up Vert Vel: 10.88 m/s Conv Inhibition (B-): 5332.48 J/kg Cap Strength: 25.28 C Lift Cond Lev (LCL): 926.71 mb = 759.71 m = 2492.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 28 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 1008 115 180 5 0.0 5.0 | 101 28 -27.8 5.4 1 1000 176 190 11 1.9 10.8 | 113 28 -25.9 11.2 2 925 774 240 36 31.2 18.0 | 190 19 3.4 18.4 3 850 1435 225 48 33.9 33.9 | 190 35 6.1 34.3 4 700 2921 245 40 36.3 16.9 | 206 19 8.5 17.3 5 500 5410 250 33 31.0 11.3 | 195 12 3.2 11.7 6 400 6970 255 38 36.7 9.8 | 221 14 8.9 10.2 Wind Parameters Mean winds (0-6000m): 240.8 at 37.1 knts Storm direction: 270.8 at 27.8 knts Shear (0-3000m) pos: 6.0 neg: 1.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 295.9 neg: -8.3 tot: 287.6 m^2/s^2 ave: 95.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 7.6 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.95 Bulk Shear: 62.51 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 ------------------------------------------------------------------------------- 500 215 19 133 23| 26.9 0.0 26.9|187.9 0.0 187.9 375.8 0.96| 29.6 28.5 1000 232 28 161 19| 20.2 0.0 20.2|242.8 -0.2 242.6 242.6 0.82| 23.8 19.6 1500 229 34 174 22| 13.5 2.1 15.6|251.6 -7.7 243.8 162.6 0.69| 19.1 13.1 2000 230 37 180 24| 9.7 1.6 11.3|273.5 -7.7 265.8 132.9 0.66| 15.8 10.5 2500 231 38 184 24| 7.5 1.3 8.7|289.1 -7.7 281.3 112.5 0.64| 13.8 8.9 3000 233 38 187 24| 6.0 1.0 7.1|295.9 -8.3 287.6 95.9 0.62| 12.2 7.6 4000 237 38 191 22| 4.2 0.8 5.0|295.9 -12.3 283.5 70.9 0.58| 9.6 5.6 5000 239 38 193 20| 3.1 0.6 3.8|295.9 -17.1 278.8 55.8 0.54| 8.0 4.3 6000 241 37 194 19| 2.8 0.5 3.3|304.3 -18.6 285.7 47.6 0.55| 6.9 3.8 Wrote GIF file: /home/apache/climate/data/raob//U3802/skewt/U3802.skewt.20251209.12.gif