UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 11 DEC 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1016 79 -12.5 -14.6 84 2.1 -12.9 270 3 259.5 259.7 259.2 262.7 1.21 1 1000 200 -14.9 -17.4 81 2.5 -15.3 275 5 258.2 258.4 257.8 260.9 0.97 2 979 360 -16.3 -18.9 80 2.6 -16.7 278 7 258.4 258.6 257.7 260.8 0.88 3 944 634 -16.3 -18.8 81 2.5 -16.7 282 11 261.1 261.3 259.9 263.6 0.92 4 925 787 -16.7 -19.1 82 2.4 -17.1 285 13 262.2 262.4 260.8 264.7 0.91 5 899 1001 -17.5 -19.8 82 2.3 -17.9 285 16 263.6 263.7 261.7 266.0 0.88 6 850 1424 -14.3 -16.2 85 1.9 -14.7 285 21 271.2 271.4 267.8 274.7 1.27 7 839 1523 -13.1 -14.9 86 1.8 -13.5 286 22 273.4 273.7 269.6 277.5 1.43 8 788 1999 -14.9 -17.2 83 2.3 -15.4 291 27 276.5 276.7 271.2 280.1 1.26 9 768 2194 -12.3 -14.2 86 1.9 -12.8 293 29 281.3 281.6 274.6 286.1 1.66 10 700 2899 -14.9 -17.5 81 2.6 -15.5 300 36 286.0 286.2 276.7 290.1 1.38 11 625 3747 -19.5 -22.4 78 2.9 -20.1 300 40 290.1 290.3 278.3 293.3 1.01 12 500 5360 -32.3 300 48 293.7 13 400 6890 -44.3 305 56 297.4 14 300 8760 -58.3 310 64 303.2 15 269 9440 -63.5 313 66 305.2 16 250 9890 -64.9 315 68 309.6 17 218 10721 -67.5 315 62 317.9 18 200 11240 -68.3 310 56 324.6 19 191 11516 -68.7 309 55 328.3 20 162 12505 -66.5 306 50 347.8 21 150 12970 -67.1 305 48 354.5 22 100 15400 -70.3 300 42 391.9 23 92 15896 -70.1 401.8 24 78 16871 -72.9 415.4 TRP 218 10721 -67.5 315 62 317.9 WND 250 9890 -64.9 315 68 309.6 Sounding variables and indices 1000-500 mb thick: 5160.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 82.11 % Est. max temperature: -3.31 C = 26.03 F Sfc-Lift cond lev (LCL): 982.06 mb = 336.60 m = 1104.32 ft T: -16.09 C 700-500 lapse rate: 7.07 C/km ThetaE index: 1.92 C Layer 1000.0- 944.0 mb Conv cond level (CCL): 575.68 mb = 4341.06 m = 14242.14 ft Mean mixing ratio: 0.94 g/kg Conv temperature: 19.70 C = 67.47 F Cap Strength: 24.48 C Lifted Index: 25.63 C Risk: None Lifted Index @300 mb: 28.81 C Lifted Index @700 mb: 21.82 C Showalter Index: 15.79 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 16.10 C K Index: -0.80 Risk: None Sweat Index: 90.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.04 J/kg Max Up Vert Vel: 5.84 m/s Conv Inhibition (B-): 24887.81 J/kg Cap Strength: 25.59 C Lift Cond Lev (LCL): 926.81 mb = 772.29 m = 2533.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 25 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 1016 79 270 3 3.0 -0.0 | 154 23 -10.3 21.0 1 1000 200 275 5 5.0 -0.4 | 158 22 -8.3 20.6 2 925 787 285 13 12.6 -3.4 | 178 18 -0.7 17.7 3 850 1424 285 21 20.3 -5.4 | 204 17 7.0 15.6 4 700 2899 300 36 31.2 -18.0 | 260 18 17.9 3.0 5 500 5360 300 48 41.6 -24.0 | 276 28 28.3 -3.0 6 400 6890 305 56 45.9 -32.1 | 289 34 32.6 -11.1 7 300 8760 310 64 49.0 -41.1 | 299 41 35.8 -20.1 8 250 9890 315 68 48.1 -48.1 | 308 44 34.8 -27.0 9 218 10721 315 62 43.8 -43.8 | 307 38 30.6 -22.8 10 200 11240 310 56 42.9 -36.0 | 297 33 29.6 -15.0 11 150 12970 305 48 39.3 -27.5 | 284 27 26.1 -6.5 12 100 15400 300 42 36.4 -21.0 | 270 23 23.1 0.0 Wind Parameters Mean winds (0-6000m): 297.8 at 33.2 knts Storm direction: 327.8 at 24.9 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 108.1 deg Storm rel helicity (0-3000m) pos: 158.3 neg: 0.0 tot: 158.3 m^2/s^2 ave: 52.8 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 95.90 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 ------------------------------------------------------------------------------- 500 278 7 162 21| 7.5 0.0 7.5| 33.8 0.0 33.8 67.7 0.83| 7.5 6.2 1000 283 10 170 19| 7.1 0.0 7.1| 62.2 0.0 62.2 62.2 0.87| 7.1 6.2 1500 284 13 179 18| 6.8 0.0 6.8| 88.9 0.0 88.9 59.3 0.91| 6.8 6.2 2000 286 16 188 17| 6.4 0.0 6.4|113.2 0.0 113.2 56.6 0.93| 6.5 6.1 2500 289 19 197 16| 6.2 0.0 6.2|138.5 0.0 138.5 55.4 0.94| 6.4 6.0 3000 292 22 208 15| 5.9 0.0 5.9|158.3 0.0 158.3 52.8 0.93| 6.1 5.7 4000 295 26 225 14| 4.4 0.6 5.0|173.2 0.0 173.2 43.3 0.89| 5.2 4.7 5000 297 30 240 15| 3.5 1.0 4.5|188.2 0.0 188.2 37.6 0.84| 4.7 4.0 6000 298 33 251 17| 3.4 0.8 4.2|218.4 0.0 218.4 36.4 0.83| 4.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251211.00.gif