UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 6 DEC 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 237 180 3 SFC 999 245 1.0 0.0 93 1.0 0.6 180 3 274.2 274.9 273.8 284.6 3.82 2 932 798 -3.5 -5.1 89 1.6 -4.1 198 12 275.1 275.6 272.8 282.9 2.80 3 925 858 -2.1 -3.7 89 1.6 -2.7 200 13 277.2 277.7 274.5 285.9 3.14 4 910 989 0.8 -0.4 92 1.2 0.3 198 13 281.4 282.1 278.0 292.8 4.08 5 850 1536 -2.3 -6.1 75 3.8 -3.7 190 13 283.7 284.2 277.6 291.9 2.85 6 742 2604 -8.3 -12.8 70 4.5 -9.7 242 12 288.4 288.8 278.7 294.2 1.92 7 703 3025 -7.3 -12.3 67 5.0 -8.9 263 11 294.0 294.4 281.5 300.4 2.11 8 700 3058 -7.5 -12.5 67 5.0 -9.1 265 11 294.2 294.6 281.5 300.5 2.09 9 676 3329 -8.3 -15.3 57 7.0 -10.4 266 12 296.2 296.5 282.0 301.5 1.72 10 631 3858 -12.1 -14.6 82 2.5 -12.9 268 13 297.8 298.1 282.9 303.8 1.95 11 614 4066 -12.7 -18.7 61 6.0 -14.3 269 14 299.4 299.7 283.0 303.9 1.42 12 592 4344 -13.7 -17.4 74 3.7 -14.7 270 15 301.4 301.7 284.0 306.6 1.65 13 514 5397 -22.7 -26.5 71 3.8 -23.4 274 18 303.0 303.1 283.7 305.8 0.85 14 501 5585 -21.9 -25.5 73 3.6 -22.6 275 19 306.2 306.3 285.1 309.3 0.96 15 500 5600 -21.9 -25.5 73 3.6 -22.6 275 19 306.3 306.5 285.1 309.5 0.96 16 400 7200 -34.7 -39.3 63 4.6 -35.1 285 25 309.9 310.0 285.7 311.0 0.32 17 300 9140 -50.9 -55.1 61 4.2 -51.0 300 29 313.6 313.6 286.7 313.9 0.07 18 261 10031 -58.1 -62.8 55 4.7 -58.2 296 29 315.8 315.8 287.4 315.9 0.03 19 250 10300 -60.5 -64.9 56 4.4 -60.6 295 29 316.1 316.1 287.5 316.2 0.02 20 216 11192 -68.9 -73.6 51 4.7 -68.9 302 33 316.6 316.6 287.6 316.6 0.01 21 200 11650 -70.5 -74.9 52 4.4 -70.5 305 35 321.1 321.1 289.1 321.1 0.01 22 185 12111 -72.9 -77.6 49 4.7 -72.9 300 25 324.5 324.5 290.1 324.5 0.01 23 182 12207 -72.9 -77.6 49 4.7 -72.9 298 25 326.0 326.0 290.6 326.0 0.01 24 156 13130 -65.1 -69.8 52 4.7 -65.1 284 28 353.9 353.9 297.5 354.0 0.02 25 150 13370 -64.9 -69.7 51 4.8 -65.0 280 29 358.3 358.3 298.4 358.4 0.02 26 118 14838 -62.3 -68.3 44 6.0 -62.4 268 27 388.5 388.5 303.6 388.7 0.03 27 100 15850 -65.1 -71.1 43 6.0 -65.2 260 25 401.9 402.0 305.5 402.1 0.03 28 78 17364 -64.5 -71.5 38 7.0 -64.6 250 33 432.8 432.8 309.1 433.0 0.03 29 70 18020 -67.7 -74.7 36 7.0 -67.8 245 36 439.5 439.6 309.8 439.7 0.02 30 52 19798 -69.3 -77.3 30 8.0 -69.4 245 38 474.8 474.8 313.0 474.9 0.02 31 50 20030 -71.7 -79.7 29 8.0 -71.8 245 38 474.5 474.5 313.0 474.6 0.01 32 45 20647 -73.5 -81.5 28 8.0 -73.6 248 41 484.7 484.7 313.8 484.7 0.01 33 34 22294 -70.9 -79.9 25 9.0 -71.1 256 50 532.0 532.0 317.1 532.1 0.02 34 30 23030 -72.9 -81.9 24 9.0 -73.0 260 54 545.9 545.9 317.9 546.0 0.02 35 25 24098 -72.9 -81.9 24 9.0 -73.0 260 60 575.1 575.1 319.4 575.3 0.02 36 23 24582 -75.9 -84.9 23 9.0 -76.0 260 63 580.2 580.2 319.7 580.3 0.01 37 20 25390 -75.3 -84.3 23 9.0 -75.4 260 68 605.7 605.7 320.9 605.8 0.02 38 18 26003 -73.7 -83.7 20 10.0 -73.9 629.3 629.3 321.9 629.4 0.02 39 16 26686 -76.9 -85.9 22 9.0 -77.0 640.4 640.4 322.3 640.5 0.02 40 12 28353 -73.7 -83.7 20 10.0 -74.0 706.6 706.6 324.7 706.9 0.03 TRP 185 12111 -72.9 -77.6 49 4.7 -72.9 300 25 324.5 324.5 290.1 324.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5363.00 m Freezing level: 984.11 mb = 367.98 m = 1207.26 ft Freezing level: 914.14 mb = 952.97 m = 3126.51 ft Freezing level: 894.52 mb = 1130.27 m = 3708.20 ft Wetbulb zero: 990.34 mb = 314.40 m = 1031.49 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 74.45 % Est. max temperature: 10.55 C = 50.98 F Sfc-Lift cond lev (LCL): 983.44 mb = 370.15 m = 1214.39 ft T: -0.02 C 700-500 lapse rate: 5.66 C/km ThetaE index: 1.73 C Layer 932.0- 925.0 mb Conv cond level (CCL): 950.06 mb = 645.33 m = 2117.21 ft Mean mixing ratio: 3.41 g/kg Conv temperature: 1.66 C = 34.99 F Cap Strength: 17.46 C Lifted Index: 17.63 C Risk: None Lifted Index @300 mb: 19.80 C Lifted Index @700 mb: 11.05 C Showalter Index: 12.88 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 15.80 C K Index: 8.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.75 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 47425.85 J/kg Cap Strength: 15.88 C Lift Cond Lev (LCL): 929.49 mb = 819.64 m = 2689.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 10 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 ---------------------------------------------------------- 0 999 245 180 3 0.0 3.0 | 117 11 -10.2 5.3 1 925 858 200 13 4.4 12.2 | 158 16 -5.7 14.5 2 850 1536 190 13 2.3 12.8 | 152 17 -7.9 15.1 3 700 3058 265 11 11.0 1.0 | 194 3 0.8 3.2 4 500 5600 275 19 18.9 -1.7 | 266 9 8.8 0.6 5 400 7200 285 25 24.1 -6.5 | 287 15 14.0 -4.2 6 300 9140 300 29 25.1 -14.5 | 309 19 14.9 -12.2 7 250 10300 295 29 26.3 -12.3 | 302 19 16.1 -10.0 8 200 11650 305 35 28.7 -20.1 | 314 26 18.5 -17.8 9 185 12111 300 25 21.7 -12.5 | 312 15 11.5 -10.2 10 150 13370 280 29 28.6 -5.0 | 279 19 18.4 -2.8 11 100 15850 260 25 24.6 4.3 | 245 16 14.4 6.6 12 70 18020 245 36 32.6 15.2 | 232 28 22.5 17.5 13 50 20030 245 38 34.4 16.1 | 233 30 24.3 18.3 14 30 23030 260 54 53.2 9.4 | 255 45 43.0 11.6 15 20 25390 260 68 67.0 11.8 | 256 59 56.8 14.1 Wind Parameters Mean winds (0-6000m): 252.6 at 13.9 knts Storm direction: 282.6 at 10.4 knts Shear (0-3000m) pos: 2.1 neg: 0.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 86.4 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -6.3 tot: 50.4 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.81 Bulk Shear: 18.06 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 ------------------------------------------------------------------------------- 500 195 7 138 12| 8.6 0.0 8.6| 26.8 0.0 26.8 53.5 0.92| 8.7 8.0 1000 197 10 148 14| 4.3 1.0 5.3| 33.2 -3.3 29.9 29.9 0.75| 5.9 4.4 1500 195 11 150 15| 2.8 0.6 3.5| 39.7 -6.3 33.4 22.3 0.65| 5.0 3.2 2000 200 11 154 14| 2.4 0.5 2.9| 50.5 -6.3 44.2 22.1 0.63| 5.1 3.2 2500 206 11 158 14| 2.2 0.4 2.6| 55.2 -6.3 48.9 19.6 0.58| 5.2 3.0 3000 213 11 162 12| 2.1 0.3 2.4| 56.7 -6.3 50.4 16.8 0.55| 4.9 2.7 4000 230 12 173 10| 2.0 0.2 2.2| 59.7 -6.3 53.4 13.3 0.58| 4.1 2.4 5000 243 13 188 8| 1.9 0.2 2.1| 63.1 -6.3 56.8 11.4 0.59| 3.6 2.1 6000 253 14 206 7| 1.9 0.2 2.1| 68.9 -6.3 62.6 10.4 0.59| 3.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251206.12.gif