UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for U6075... Searching the city database file for: U6075 ... Date:0000Z 21 DEC 25 Station: U6075 WMO ident: 26075 ------------------------------------------------------------------------------- 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 40 240 9 SFC 996 73 4.4 3.7 95 0.7 4.1 240 9 277.9 278.7 277.4 291.5 5.01 2 925 676 0.8 -0.8 89 1.6 0.1 265 33 280.1 280.8 277.2 291.0 3.90 3 850 1347 -2.7 -4.6 87 1.9 -3.4 280 33 283.3 283.9 277.9 292.4 3.19 4 700 2860 -11.7 -15.9 71 4.2 -12.8 280 31 289.5 289.8 278.7 294.3 1.58 5 655 3364 -14.9 -19.7 67 4.8 -16.0 281 30 291.5 291.7 279.2 295.2 1.22 6 500 5340 -30.5 -38.5 45 8.0 -31.2 285 25 295.9 295.9 279.9 296.8 0.27 7 484 5570 -32.9 -40.9 45 8.0 -33.5 286 26 295.7 295.7 279.7 296.4 0.22 8 400 6880 -44.1 -52.1 41 8.0 -44.4 290 31 297.7 297.7 280.4 298.0 0.08 9 348 7799 -51.3 -58.3 43 7.0 -51.4 300 38 300.0 300.0 281.4 300.2 0.04 10 336 8028 -50.9 -57.9 43 7.0 -51.1 293 39 303.6 303.6 282.9 303.8 0.05 11 316 8429 -48.3 -55.3 44 7.0 -48.5 281 41 312.6 312.6 286.4 312.8 0.07 12 300 8770 -50.1 -57.1 43 7.0 -50.3 270 42 314.7 314.7 287.1 315.0 0.06 13 250 9970 -50.9 -58.9 38 8.0 -51.1 260 50 330.4 330.4 291.9 330.6 0.05 14 200 11410 -53.5 -62.5 33 9.0 -53.7 270 48 348.0 348.1 296.3 348.2 0.04 15 150 13250 -57.3 -67.3 27 10.0 -57.5 275 42 371.4 371.4 300.8 371.5 0.03 16 100 15800 -61.3 -72.3 22 11.0 -61.5 285 50 409.3 409.3 306.5 409.4 0.02 17 91 16385 -60.9 -71.9 22 11.0 -61.2 286 50 421.3 421.3 307.9 421.4 0.03 18 70 17980 -69.7 -79.7 22 10.0 -69.8 290 50 435.3 435.3 309.4 435.3 0.01 19 57 19196 -73.3 -84.3 17 11.0 -73.4 293 57 453.4 453.4 311.2 453.5 0.01 20 50 19970 -70.7 -81.7 18 11.0 -70.8 295 62 476.9 476.9 313.2 476.9 0.01 21 41 21129 -76.7 -87.7 16 11.0 -76.7 489.8 489.8 314.2 489.8 0.00 22 32 22557 -76.3 -87.3 16 11.0 -76.4 526.8 526.8 316.7 526.9 0.01 TRP 348 7799 -51.3 -58.3 43 7.0 -51.4 300 38 300.0 300.0 281.4 300.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5300.00 m Freezing level: 907.86 mb = 829.37 m = 2721.00 ft Wetbulb zero: 922.13 mb = 700.69 m = 2298.84 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 71.51 % Est. max temperature: 10.00 C = 49.99 F Sfc-Lift cond lev (LCL): 985.31 mb = 160.91 m = 527.92 ft T: 3.87 C 700-500 lapse rate: 7.58 C/km ThetaE index: 0.56 C Layer 925.0- 850.0 mb Conv cond level (CCL): 910.06 mb = 805.23 m = 2641.79 ft Mean mixing ratio: 4.24 g/kg Conv temperature: 7.27 C = 45.09 F Cap Strength: 3.77 C Lifted Index: 4.81 C Risk: None Lifted Index @300 mb: 16.68 C Lifted Index @700 mb: 3.10 C Showalter Index: 3.93 C Risk: None Total Totals Index: 53.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 25.90 C K Index: 19.00 Risk: < 20 % chance of thunderstorms Sweat Index: 185.00 Risk: None Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.62 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 33395.30 J/kg Cap Strength: 4.74 C Lift Cond Lev (LCL): 926.99 mb = 658.47 m = 2160.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 21 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 ---------------------------------------------------------- 0 996 73 240 9 7.8 4.5 | 154 20 -8.8 18.1 1 925 676 265 33 32.9 2.9 | 225 23 16.3 16.5 2 850 1347 280 33 32.5 -5.7 | 244 18 15.9 7.9 3 700 2860 280 31 30.5 -5.4 | 239 16 13.9 8.3 4 500 5340 285 25 24.1 -6.5 | 226 10 7.5 7.2 5 400 6880 290 31 29.1 -10.6 | 256 13 12.5 3.0 6 348 7799 300 38 32.9 -19.0 | 288 17 16.3 -5.4 7 300 8770 270 42 42.0 -0.0 | 242 29 25.4 13.6 8 250 9970 260 50 49.2 8.7 | 236 40 32.6 22.3 9 200 11410 270 48 48.0 -0.0 | 247 34 31.4 13.6 10 150 13250 275 42 41.8 -3.7 | 248 27 25.2 10.0 11 100 15800 285 50 48.3 -12.9 | 269 32 31.7 0.7 12 70 17980 290 50 47.0 -17.1 | 276 31 30.4 -3.5 13 50 19970 295 62 56.2 -26.2 | 288 42 39.6 -12.6 Wind Parameters Mean winds (0-6000m): 279.4 at 28.7 knts Storm direction: 309.4 at 21.5 knts Shear (0-3000m) pos: 4.4 neg: 0.2 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 84.6 deg Storm rel helicity (0-3000m) pos: 175.3 neg: -6.2 tot: 169.1 m^2/s^2 ave: 56.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.53 Bulk Shear: 22.06 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 ------------------------------------------------------------------------------- 500 259 19 186 17| 21.3 0.0 21.3|112.5 0.0 112.5 225.0 0.99| 21.8 21.6 1000 265 26 210 18| 13.4 0.0 13.4|161.5 0.0 161.5 161.5 0.95| 15.9 15.1 1500 270 28 220 18| 9.1 0.0 9.1|175.3 -0.7 174.6 116.4 0.92| 11.9 11.0 2000 273 29 226 18| 6.8 0.2 7.0|175.3 -2.6 172.7 86.4 0.89| 9.1 8.1 2500 274 30 229 17| 5.4 0.3 5.7|175.3 -4.4 170.9 68.3 0.87| 7.4 6.4 3000 275 30 231 17| 4.4 0.2 4.6|175.3 -6.2 169.1 56.4 0.83| 6.3 5.3 4000 277 30 232 16| 3.0 0.2 3.2|175.3 -9.8 165.5 41.4 0.75| 5.1 3.8 5000 278 29 232 16| 2.2 0.1 2.3|175.3 -14.0 161.3 32.3 0.68| 4.3 2.9 6000 279 29 232 15| 2.1 0.1 2.2|183.4 -14.8 168.5 28.1 0.68| 3.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//U6075/skewt/U6075.skewt.20251221.00.gif