UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 5 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 225 135 3 SFC 998 241 3.2 1.8 91 1.4 2.6 135 3 276.5 277.2 275.8 288.4 4.36 2 954 606 0.4 -1.2 89 1.6 -0.3 180 7 277.3 277.9 275.3 287.4 3.67 3 925 854 0.8 -0.2 93 1.0 0.4 210 9 280.1 280.8 277.4 291.4 4.07 4 897 1100 0.2 -1.1 91 1.3 -0.3 225 9 282.0 282.7 278.2 293.0 3.93 5 850 1529 -2.9 -5.9 80 3.0 -4.0 250 9 283.1 283.6 277.3 291.4 2.89 6 786 2144 -7.3 -9.1 87 1.8 -7.9 262 8 284.8 285.2 277.6 291.9 2.44 7 777 2234 -6.3 -8.2 86 1.9 -7.0 264 8 286.8 287.3 278.9 294.5 2.65 8 769 2315 -6.7 -9.1 83 2.4 -7.5 265 8 287.2 287.7 278.9 294.5 2.49 9 700 3044 -10.7 -16.7 61 6.0 -12.3 280 7 290.6 290.9 279.1 295.1 1.48 10 626 3896 -14.7 -23.7 46 9.0 -16.6 292 12 295.5 295.7 280.6 298.4 0.90 11 504 5502 -25.5 -42.5 19 17.0 -27.2 314 21 301.3 301.3 282.1 301.9 0.18 12 500 5560 -26.1 -43.1 19 17.0 -27.7 315 21 301.2 301.2 282.1 301.8 0.17 13 479 5868 -27.9 -43.9 20 16.0 -29.3 316 25 302.7 302.7 282.7 303.3 0.16 14 401 7113 -38.7 -52.7 21 14.0 -39.4 320 42 304.5 304.5 283.3 304.7 0.07 15 400 7130 -38.7 -52.7 21 14.0 -39.4 320 42 304.7 304.7 283.4 305.0 0.07 16 384 7411 -38.9 -51.9 24 13.0 -39.5 321 45 308.0 308.0 284.7 308.3 0.08 17 303 8995 -51.4 -60.5 33 9.2 -51.5 325 60 312.0 312.1 286.1 312.2 0.04 18 300 9060 -51.9 -60.9 33 9.0 -52.1 325 58 312.2 312.2 286.2 312.3 0.04 19 299 9082 -52.3 -61.3 33 9.0 -52.5 325 58 311.9 311.9 286.1 312.1 0.03 20 250 10220 -59.7 -68.7 30 9.0 -59.8 320 58 317.3 317.3 287.9 317.4 0.01 21 225 10874 -63.3 -72.3 28 9.0 -63.4 320 54 321.5 321.5 289.2 321.5 0.01 22 224 10902 -63.5 -72.5 28 9.0 -63.6 320 53 321.6 321.6 289.2 321.6 0.01 23 200 11600 -62.9 -71.9 29 9.0 -63.0 310 40 333.2 333.2 292.6 333.2 0.01 24 151 13339 -58.7 -67.7 30 9.0 -58.9 271 21 368.2 368.3 300.3 368.4 0.03 25 150 13380 -59.7 -68.7 30 9.0 -59.9 270 21 367.2 367.2 300.1 367.3 0.02 26 100 15900 -62.1 -73.1 22 11.0 -62.3 250 25 407.7 407.7 306.2 407.8 0.02 27 70 18090 -65.1 -77.1 18 12.0 -65.3 240 27 445.1 445.1 310.4 445.2 0.02 28 50 20120 -69.1 -81.1 16 12.0 -69.2 255 36 480.7 480.7 313.5 480.7 0.01 29 30 23140 -72.9 -84.9 15 12.0 -73.0 265 50 545.9 545.9 317.9 546.0 0.01 30 23 24689 -76.1 -88.1 13 12.0 -76.2 262 62 579.6 579.6 319.6 579.6 0.01 31 20 25500 -74.3 -87.3 12 13.0 -74.5 260 68 608.7 608.7 321.0 608.8 0.01 32 10 29520 -73.3 -86.3 12 13.0 -73.7 270 97 745.9 746.0 325.8 746.1 0.02 33 8.3 30609 -73.9 -86.9 12 13.0 -74.3 784.4 784.4 326.8 784.6 0.02 34 7.3 31366 -69.7 -83.7 11 14.0 -70.6 830.9 830.9 328.0 831.4 0.05 TRP 225 10874 -63.3 -72.3 28 9.0 -63.4 320 54 321.5 321.5 289.2 321.5 0.01 WND 303 8995 -51.4 -60.5 33 9.2 -51.5 325 60 312.0 312.1 286.1 312.2 0.04 Sounding variables and indices 1000-500 mb thick: 5335.00 m Freezing level: 893.97 mb = 1128.08 m = 3701.02 ft Wetbulb zero: 958.19 mb = 570.26 m = 1870.91 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 61.74 % Est. max temperature: 9.85 C = 49.73 F Sfc-Lift cond lev (LCL): 976.53 mb = 417.03 m = 1368.18 ft T: 1.85 C 700-500 lapse rate: 6.12 C/km ThetaE index: 1.64 C Layer 850.0- 786.0 mb Conv cond level (CCL): 873.13 mb = 1315.18 m = 4314.86 ft Mean mixing ratio: 3.97 g/kg Conv temperature: 9.24 C = 48.63 F Cap Strength: 10.57 C Lifted Index: 10.50 C Risk: None Lifted Index @300 mb: 16.11 C Lifted Index @700 mb: 5.22 C Showalter Index: 9.10 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.20 C K Index: 11.30 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.82 J/kg Max Up Vert Vel: 6.61 m/s Conv Inhibition (B-): 49085.58 J/kg Cap Strength: 10.48 C Lift Cond Lev (LCL): 927.17 mb = 835.18 m = 2740.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 9 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 ---------------------------------------------------------- 0 998 241 135 3 -2.1 2.1 | 142 12 -7.6 9.8 1 925 854 210 9 4.5 7.8 | 176 15 -1.0 15.4 2 850 1529 250 9 8.5 3.1 | 196 11 3.0 10.7 3 700 3044 280 7 6.9 -1.2 | 193 7 1.4 6.4 4 500 5560 315 21 14.8 -14.8 | 307 12 9.4 -7.2 5 400 7130 320 42 27.0 -32.2 | 319 33 21.5 -24.5 6 303 8995 325 60 34.4 -49.1 | 325 51 29.0 -41.5 7 300 9060 325 58 33.3 -47.5 | 325 49 27.8 -39.9 8 250 10220 320 58 37.3 -44.4 | 319 49 31.8 -36.8 9 225 10874 320 54 34.7 -41.4 | 319 45 29.2 -33.7 10 200 11600 310 40 30.6 -25.7 | 306 31 25.2 -18.1 11 150 13380 270 21 21.0 -0.0 | 244 17 15.5 7.6 12 100 15900 250 25 23.5 8.6 | 228 24 18.0 16.2 13 70 18090 240 27 23.4 13.5 | 220 28 17.9 21.1 14 50 20120 255 36 34.8 9.3 | 240 34 29.3 17.0 15 30 23140 265 50 49.8 4.4 | 255 46 44.3 12.0 16 20 25500 260 68 67.0 11.8 | 252 65 61.5 19.5 17 10 29520 270 97 97.0 -0.0 | 265 92 91.5 7.6 Wind Parameters Mean winds (0-6000m): 294.5 at 12.5 knts Storm direction: 324.5 at 9.4 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 60.4 deg Storm rel helicity (0-3000m) pos: 53.5 neg: -1.1 tot: 52.5 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.74 Bulk Shear: 29.48 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 ------------------------------------------------------------------------------- 500 189 5 160 14| 7.2 0.0 7.2| 25.4 0.0 25.4 50.9 0.86| 7.9 6.8 1000 208 7 171 14| 5.1 0.0 5.1| 45.4 0.0 45.4 45.4 0.86| 7.0 6.0 1500 223 8 179 13| 3.6 0.0 3.6| 51.4 0.0 51.4 34.2 0.80| 5.8 4.6 2000 233 8 184 12| 2.6 0.0 2.6| 51.6 -0.0 51.6 25.8 0.73| 4.8 3.5 2500 241 8 187 12| 2.0 0.0 2.0| 51.6 -0.5 51.1 20.4 0.67| 4.1 2.7 3000 247 8 189 11| 1.8 0.0 1.8| 53.5 -1.1 52.5 17.5 0.64| 3.8 2.4 4000 262 9 199 9| 2.1 0.0 2.1| 63.8 -1.1 62.7 15.7 0.72| 3.6 2.6 5000 280 10 218 7| 2.3 0.0 2.3| 76.9 -1.1 75.8 15.2 0.75| 3.6 2.7 6000 294 13 248 6| 2.8 0.0 2.8| 89.9 -1.1 88.8 14.8 0.64| 4.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251205.12.gif