UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for U6075... Searching the city database file for: U6075 ... Date:1200Z 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 34 290 5 SFC 995 76 3.8 3.0 95 0.8 3.4 290 5 277.3 278.2 276.8 290.3 4.77 2 925 676 -0.3 -1.4 92 1.1 -0.7 315 15 279.0 279.6 276.3 289.3 3.73 3 858 1262 -4.5 -5.6 92 1.1 -4.9 328 15 280.7 281.2 276.1 289.0 2.93 4 850 1334 -4.7 -5.8 92 1.1 -5.1 330 15 281.2 281.7 276.4 289.5 2.91 5 765 2159 -7.7 -8.9 91 1.2 -8.1 325 16 286.6 287.0 278.6 294.0 2.55 6 700 2844 -12.7 -14.5 86 1.8 -13.2 320 17 288.4 288.7 278.5 293.7 1.77 7 668 3199 -15.1 -17.3 83 2.2 -15.6 321 18 289.6 289.9 278.6 294.1 1.47 8 665 3233 -15.3 -17.5 83 2.2 -15.9 322 18 289.8 290.0 278.7 294.2 1.45 9 663 3256 -15.3 -17.4 84 2.1 -15.8 322 18 290.0 290.3 278.9 294.5 1.47 10 649 3416 -16.5 -18.5 84 2.0 -17.0 322 18 290.4 290.7 278.9 294.6 1.37 11 500 5320 -30.9 -35.9 61 5.0 -31.4 330 23 295.4 295.4 279.8 296.6 0.36 12 400 6860 -42.9 -47.6 60 4.7 -43.1 350 23 299.2 299.3 281.2 299.7 0.13 13 304 8665 -55.1 -61.1 47 6.0 -55.2 5 23 306.5 306.5 284.0 306.6 0.03 14 300 8750 -55.1 -61.1 47 6.0 -55.2 360 23 307.7 307.7 284.5 307.8 0.03 15 280 9191 -55.3 -61.3 47 6.0 -55.4 347 25 313.5 313.5 286.6 313.7 0.04 16 256 9767 -53.3 -59.3 48 6.0 -53.4 330 26 324.6 324.6 290.2 324.8 0.05 17 250 9920 -53.5 -59.5 48 6.0 -53.7 325 27 326.5 326.5 290.8 326.7 0.05 18 200 11350 -53.7 -60.7 42 7.0 -53.9 300 35 347.7 347.7 296.2 348.0 0.05 19 150 13190 -55.5 -63.5 36 8.0 -55.7 290 36 374.5 374.5 301.4 374.7 0.05 20 134 13907 -55.3 -64.3 32 9.0 -55.6 286 38 387.1 387.1 303.4 387.3 0.05 21 100 15740 -61.9 -70.9 29 9.0 -62.1 275 42 408.1 408.1 306.3 408.3 0.03 22 93 16187 -64.1 -73.1 28 9.0 -64.3 277 44 412.3 412.4 306.8 412.5 0.02 23 70 17920 -66.3 -75.3 27 9.0 -66.4 285 50 442.5 442.6 310.1 442.7 0.02 24 67 18184 -66.3 -75.3 27 9.0 -66.4 283 51 448.1 448.1 310.7 448.2 0.02 25 50 19920 -73.5 -82.5 24 9.0 -73.6 270 56 470.3 470.3 312.7 470.3 0.01 26 46 20404 -75.7 -83.7 27 8.0 -75.7 272 58 476.3 476.3 313.1 476.4 0.01 27 30 22870 -76.3 -84.3 27 8.0 -76.4 285 69 536.6 536.6 317.3 536.7 0.01 28 26 23694 -76.7 -84.7 27 8.0 -76.8 557.9 557.9 318.5 558.0 0.01 TRP 304 8665 -55.1 -61.1 47 6.0 -55.2 5 23 306.5 306.5 284.0 306.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5286.00 m Freezing level: 930.12 mb = 632.07 m = 2073.69 ft Wetbulb zero: 937.48 mb = 565.66 m = 1855.83 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 83.62 % Est. max temperature: 7.97 C = 46.34 F Sfc-Lift cond lev (LCL): 982.79 mb = 177.20 m = 581.35 ft T: 3.11 C 700-500 lapse rate: 7.35 C/km ThetaE index: 1.40 C Layer 925.0- 850.0 mb Conv cond level (CCL): 923.69 mb = 687.03 m = 2253.99 ft Mean mixing ratio: 4.03 g/kg Conv temperature: 5.49 C = 41.87 F Cap Strength: 3.81 C Lifted Index: 5.58 C Risk: None Lifted Index @300 mb: 12.79 C Lifted Index @700 mb: 3.16 C Showalter Index: 5.70 C Risk: None Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 25.10 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 99.00 Risk: None Energy Index: 1.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.68 J/kg Max Up Vert Vel: 4.17 m/s Conv Inhibition (B-): 37485.48 J/kg Cap Strength: 5.58 C Lift Cond Lev (LCL): 930.46 mb = 627.52 m = 2058.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 at 13 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 ---------------------------------------------------------- 0 995 76 290 5 4.7 -1.7 | 198 12 3.7 11.7 1 925 676 315 15 10.6 -10.6 | 254 10 9.6 2.8 2 850 1334 330 15 7.5 -13.0 | 266 7 6.5 0.4 3 700 2844 320 17 10.9 -13.0 | 268 10 10.0 0.4 4 500 5320 330 23 11.5 -19.9 | 302 12 10.5 -6.5 5 400 6860 350 23 4.0 -22.7 | 342 10 3.0 -9.2 6 304 8665 5 23 -2.0 -22.9 | 17 10 -3.0 -9.5 7 300 8750 360 23 -0.0 -23.0 | 6 10 -1.0 -9.6 8 250 9920 325 27 15.5 -22.1 | 301 17 14.5 -8.7 9 200 11350 300 35 30.3 -17.5 | 278 30 29.4 -4.1 10 150 13190 290 36 33.8 -12.3 | 268 33 32.9 1.1 11 100 15740 275 42 41.8 -3.7 | 257 42 40.9 9.8 12 70 17920 285 50 48.3 -12.9 | 269 47 47.3 0.5 13 50 19920 270 56 56.0 -0.0 | 256 57 55.0 13.4 14 30 22870 285 69 66.6 -17.9 | 274 66 65.7 -4.4 Wind Parameters Mean winds (0-6000m): 325.9 at 18.0 knts Storm direction: 355.9 at 13.5 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 73.5 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -0.1 tot: 37.0 m^2/s^2 ave: 12.3 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.69 Bulk Shear: 12.53 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 ------------------------------------------------------------------------------- 500 307 9 219 10| 9.1 0.0 9.1| 25.9 0.0 25.9 51.8 0.97| 9.3 9.0 1000 314 12 237 9| 5.8 0.0 5.8| 33.8 0.0 33.8 33.8 0.89| 6.9 6.1 1500 320 13 245 8| 4.1 0.0 4.1| 35.2 0.0 35.2 23.5 0.83| 5.2 4.3 2000 322 14 250 8| 3.0 0.3 3.3| 35.4 0.0 35.4 17.7 0.78| 4.2 3.3 2500 322 14 254 8| 2.4 0.5 2.9| 35.5 -0.0 35.5 14.2 0.73| 3.6 2.6 3000 322 15 257 8| 2.0 0.5 2.6| 37.1 -0.1 37.0 12.3 0.71| 3.2 2.3 4000 322 16 263 9| 1.9 0.4 2.3| 44.4 -0.1 44.4 11.1 0.74| 2.8 2.1 5000 324 17 271 9| 1.8 0.3 2.1| 52.3 -0.1 52.3 10.5 0.76| 2.5 1.9 6000 326 18 279 9| 1.7 0.3 1.9| 65.2 -0.1 65.2 10.9 0.79| 2.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//U6075/skewt/U6075.skewt.20251221.12.gif