UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 19 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1012 146 -12.9 -16.6 74 3.7 -13.6 150 5 259.4 259.5 258.8 262.1 1.03 1 1000 237 -13.1 -16.4 76 3.3 -13.7 150 5 260.0 260.2 259.4 262.9 1.06 2 975 430 -13.5 -16.8 76 3.3 -14.2 178 14 261.5 261.7 260.5 264.4 1.05 3 925 827 -17.5 -20.1 80 2.6 -17.9 235 33 261.4 261.5 260.0 263.7 0.84 4 916 900 -17.7 -20.1 81 2.4 -18.1 237 34 261.9 262.1 260.5 264.3 0.84 5 887 1142 -15.3 -17.4 84 2.1 -15.7 245 35 266.8 267.0 264.6 269.9 1.10 6 850 1464 -15.9 -18.3 82 2.4 -16.4 255 38 269.5 269.7 266.3 272.5 1.06 7 753 2370 -18.9 -21.5 80 2.6 -19.4 264 40 275.7 275.9 270.2 278.4 0.91 8 700 2910 -21.9 -24.3 81 2.4 -22.3 270 42 278.2 278.4 271.4 280.5 0.76 9 672 3207 -23.1 -25.8 78 2.7 -23.5 272 44 280.2 280.3 272.5 282.3 0.69 10 634 3630 -24.1 -26.5 80 2.4 -24.5 274 46 283.7 283.8 274.5 285.8 0.69 11 576 4318 -28.9 -32.3 72 3.4 -29.3 279 50 286.0 286.1 275.3 287.4 0.44 12 500 5310 -35.7 -40.1 64 4.4 -36.0 285 56 289.5 289.6 276.8 290.3 0.23 13 465 5813 -37.1 -41.9 61 4.8 -37.4 293.8 293.9 278.9 294.5 0.21 TRP WND Sounding variables and indices 1000-500 mb thick: 5073.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 77.20 % Est. max temperature: -3.62 C = 25.49 F Sfc-Lift cond lev (LCL): 953.11 mb = 601.08 m = 1972.01 ft T: -15.23 C 700-500 lapse rate: 5.75 C/km ThetaE index: 0.68 C Layer 925.0- 916.0 mb Conv cond level (CCL): 706.62 mb = 2840.35 m = 9318.64 ft Mean mixing ratio: 0.97 g/kg Conv temperature: 5.71 C = 42.28 F Cap Strength: 19.19 C Lifted Index: 21.17 C Risk: None Lifted Index @700 mb: 13.71 C Showalter Index: 14.17 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 17.40 C K Index: -0.90 Risk: None Sweat Index: 132.00 Risk: None Energy Index: 3.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.65 J/kg Max Up Vert Vel: 3.91 m/s Conv Inhibition (B-): 2947.90 J/kg Cap Strength: 21.03 C Lift Cond Lev (LCL): 915.20 mb = 906.83 m = 2975.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 31 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 1012 146 150 5 -2.5 4.3 | 123 35 -29.4 19.0 1 1000 237 150 5 -2.5 4.3 | 123 35 -29.4 19.0 2 925 827 235 33 27.0 18.9 | 180 34 0.1 33.6 3 850 1464 255 38 36.7 9.8 | 202 26 9.8 24.5 4 700 2910 270 42 42.0 -0.0 | 226 21 15.1 14.6 5 500 5310 285 56 54.1 -14.5 | 270 27 27.2 0.1 Wind Parameters Mean winds (0-6000m): 268.6 at 40.8 knts Storm direction: 298.6 at 30.6 knts Shear (0-3000m) pos: 7.9 neg: 0.0 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 107.8 deg Storm rel helicity (0-3000m) pos: 541.7 neg: 0.0 tot: 541.7 m^2/s^2 ave: 180.6 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 10.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.04 Bulk Shear: 199.70 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 ------------------------------------------------------------------------------- 500 197 13 139 36| 22.9 0.0 22.9|241.5 0.0 241.5 483.0 0.94| 25.6 24.1 1000 232 23 162 30| 18.7 0.0 18.7|427.5 0.0 427.5 427.5 0.93| 24.2 22.4 1500 242 27 174 28| 13.8 0.0 13.8|478.5 0.0 478.5 319.0 0.91| 18.9 17.3 2000 248 30 183 26| 10.8 0.0 10.8|500.0 0.0 500.0 250.0 0.91| 15.2 13.8 2500 252 32 189 25| 9.0 0.0 9.0|521.0 0.0 521.0 208.4 0.91| 13.0 11.8 3000 256 34 195 24| 7.9 0.0 7.9|541.7 0.0 541.7 180.6 0.91| 11.5 10.4 4000 262 37 206 22| 6.7 0.0 6.7|585.4 0.0 585.4 146.4 0.92| 9.6 8.8 5000 268 40 219 21| 6.0 0.0 6.0|634.4 0.0 634.4 126.9 0.92| 8.5 7.8 6000 NO DATA | 6.0 0.0 6.0| | Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251219.00.gif