UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 20 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 1003 142 -7.1 -10.0 80 2.9 -7.9 140 5 265.8 266.1 265.1 270.6 1.78 1 1000 165 -7.1 -10.0 80 2.9 -7.9 140 7 266.0 266.3 265.3 270.9 1.78 2 963 459 -7.5 -10.4 80 2.9 -8.3 184 21 268.5 268.8 267.0 273.4 1.80 3 925 771 -10.1 -11.7 88 1.6 -10.5 230 36 269.0 269.3 267.1 273.6 1.68 4 867 1272 -8.1 -10.5 83 2.4 -8.8 245 42 276.1 276.4 272.1 281.7 1.98 5 850 1425 -9.7 -11.6 86 1.9 -10.2 250 44 276.0 276.3 271.8 281.2 1.85 6 700 2896 -19.7 -20.7 92 1.0 -19.9 265 36 280.7 280.8 273.3 283.8 1.05 7 687 3035 -20.9 -22.1 90 1.2 -21.1 266 36 280.8 281.0 273.3 283.7 0.95 8 553 4630 -23.5 -25.6 83 2.1 -23.9 272 37 295.7 295.9 280.7 298.5 0.86 9 500 5360 -28.3 -30.8 79 2.5 -28.6 275 38 298.5 298.6 281.5 300.5 0.59 10 408 6794 -37.9 -41.9 66 4.0 -38.2 270 42 304.0 304.0 283.3 304.8 0.24 11 400 6930 -39.3 -43.6 64 4.3 -39.6 270 42 303.9 303.9 283.2 304.6 0.20 12 333 8155 -50.3 -56.3 49 6.0 -50.4 276 51 305.2 305.2 283.5 305.4 0.06 13 300 8830 -54.1 -60.1 48 6.0 -54.2 280 56 309.1 309.1 285.0 309.2 0.04 14 269 9523 -57.5 -64.5 41 7.0 -57.6 284 65 313.9 313.9 286.8 314.0 0.02 15 258 9785 -60.1 -67.7 36 7.6 -60.2 285 68 313.8 313.8 286.7 313.9 0.02 16 250 9980 -62.1 -70.1 34 8.0 -62.1 285 68 313.7 313.7 286.6 313.8 0.01 17 237 10309 -65.1 -74.1 28 9.0 -65.1 285 66 314.0 314.0 286.8 314.1 0.01 18 219 10789 -67.9 -77.9 23 10.0 -67.9 285 62 316.9 316.9 287.7 316.9 0.00 19 211 11014 -67.9 -78.9 19 11.0 -67.9 283 61 320.3 320.3 288.8 320.3 0.00 20 200 11340 -63.7 -73.7 24 10.0 -63.8 280 60 331.9 331.9 292.2 331.9 0.01 21 199 11370 -63.3 -73.3 25 10.0 -63.4 280 60 333.0 333.0 292.5 333.0 0.01 22 154 12938 -60.7 -72.7 19 12.0 -60.9 285 51 362.8 362.8 299.2 362.8 0.01 23 150 13100 -60.9 -72.9 19 12.0 -61.0 285 50 365.2 365.2 299.7 365.2 0.01 24 100 15640 -59.7 -82.7 3 23.0 -60.0 280 38 412.4 412.4 306.8 412.4 0.00 25 80 17038 -58.9 -81.9 4 23.0 -59.3 441.2 441.2 310.0 441.2 0.01 26 75 17442 -59.7 -82.7 3 23.0 -60.1 447.7 447.7 310.7 447.8 0.01 TRP 219 10789 -67.9 -77.9 23 10.0 -67.9 285 62 316.9 316.9 287.7 316.9 0.00 WND 258 9785 -60.1 -67.7 36 7.6 -60.2 285 68 313.8 313.8 286.7 313.9 0.02 Sounding variables and indices 1000-500 mb thick: 5195.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 85.74 % Est. max temperature: 3.09 C = 37.56 F Sfc-Lift cond lev (LCL): 957.70 mb = 501.71 m = 1646.02 ft T: -7.86 C 700-500 lapse rate: 3.49 C/km ThetaE index: 0.46 C Layer 850.0- 700.0 mb Conv cond level (CCL): 796.68 mb = 1915.82 m = 6285.44 ft Mean mixing ratio: 1.76 g/kg Conv temperature: 4.67 C = 40.41 F Cap Strength: 19.37 C Lifted Index: 20.90 C Risk: None Lifted Index @300 mb: 25.36 C Lifted Index @700 mb: 8.11 C Showalter Index: 14.69 C Risk: None Total Totals Index: 35.30 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.70 C K Index: 6.00 Risk: None Sweat Index: 203.83 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.34 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 25918.85 J/kg Cap Strength: 20.74 C Lift Cond Lev (LCL): 915.73 mb = 848.90 m = 2785.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 1003 142 140 5 -3.2 3.8 | 116 32 -28.8 13.9 1 1000 165 140 7 -4.5 5.4 | 117 34 -30.1 15.4 2 925 771 230 36 27.6 23.1 | 183 33 2.0 33.2 3 850 1425 250 44 41.3 15.0 | 212 30 15.7 25.1 4 700 2896 265 36 35.9 3.1 | 218 17 10.2 13.2 5 500 5360 275 38 37.9 -3.3 | 241 14 12.2 6.7 6 400 6930 270 42 42.0 -0.0 | 239 19 16.4 10.0 7 300 8830 280 56 55.1 -9.7 | 269 30 29.5 0.3 8 258 9785 285 68 65.7 -17.6 | 281 41 40.1 -7.6 9 250 9980 285 68 65.7 -17.6 | 281 41 40.1 -7.6 10 219 10789 285 62 59.9 -16.0 | 280 35 34.3 -6.0 11 200 11340 280 60 59.1 -10.4 | 271 33 33.5 -0.4 12 150 13100 285 50 48.3 -12.9 | 277 23 22.7 -2.9 13 100 15640 280 38 37.4 -6.6 | 254 12 11.8 3.4 Wind Parameters Mean winds (0-6000m): 261.4 at 36.7 knts Storm direction: 291.4 at 27.5 knts Shear (0-3000m) pos: 6.7 neg: 0.0 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 576.0 neg: 0.0 tot: 576.0 m^2/s^2 ave: 192.0 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 10.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.11 Bulk Shear: 141.78 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 ------------------------------------------------------------------------------- 500 198 18 143 34| 29.4 0.0 29.4|316.8 0.0 316.8 633.6 0.92| 35.4 32.7 1000 228 27 169 29| 21.5 0.0 21.5|500.6 0.0 500.6 500.6 0.94| 28.7 26.9 1500 238 32 184 27| 15.4 0.0 15.4|561.9 0.0 561.9 374.6 0.92| 22.3 20.6 2000 243 35 191 26| 11.0 0.0 11.0|569.1 0.0 569.1 284.5 0.88| 17.9 15.7 2500 247 36 196 25| 8.3 0.0 8.3|572.7 0.0 572.7 229.1 0.83| 15.2 12.7 3000 250 36 199 24| 6.7 0.0 6.7|576.0 0.0 576.0 192.0 0.81| 13.2 10.7 4000 254 36 205 22| 5.2 0.0 5.2|586.1 0.0 586.1 146.5 0.82| 10.2 8.4 5000 258 36 210 20| 4.3 0.0 4.3|596.1 0.0 596.1 119.2 0.82| 8.5 6.9 6000 261 37 214 19| 3.6 0.2 3.8|598.2 -1.2 596.9 99.5 0.79| 7.3 5.8 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251220.00.gif