UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 4 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 236 160 3 SFC 999 244 2.6 1.0 89 1.6 1.9 160 3 275.8 276.5 275.1 287.0 4.11 2 930 820 -0.9 -2.4 90 1.5 -1.5 197 14 278.0 278.5 275.3 287.5 3.44 3 925 863 -0.7 -2.1 90 1.4 -1.3 200 15 278.6 279.2 275.8 288.4 3.54 4 899 1091 0.0 -1.0 93 1.0 -0.4 197 17 281.6 282.3 278.0 292.6 3.95 5 850 1538 -3.1 -5.5 83 2.4 -4.0 190 21 282.9 283.4 277.3 291.4 2.98 6 727 2758 -11.5 -14.0 82 2.5 -12.2 194 23 286.6 286.9 277.6 291.9 1.78 7 719 2843 -11.7 -14.0 83 2.3 -12.3 194 23 287.3 287.6 278.0 292.7 1.80 8 700 3049 -9.5 -17.5 52 8.0 -11.6 195 23 292.0 292.2 279.6 296.2 1.38 9 687 3193 -9.1 -22.1 34 13.0 -12.2 194 23 294.0 294.1 280.0 297.0 0.95 10 682 3250 -9.5 -23.5 31 14.0 -12.8 193 23 294.1 294.3 279.9 296.8 0.84 11 601 4213 -15.3 -35.3 16 20.0 -18.4 186 24 298.3 298.3 281.0 299.3 0.32 12 500 5570 -26.3 -44.3 17 18.0 -27.9 175 25 301.0 301.0 282.0 301.5 0.15 13 427 6690 -35.5 -49.5 23 14.0 -36.3 168 34 303.1 303.2 282.8 303.5 0.10 14 400 7140 -40.1 -53.1 24 13.0 -40.6 165 38 302.9 302.9 282.7 303.1 0.07 15 388 7347 -42.3 -54.3 26 12.0 -42.8 165 39 302.6 302.6 282.5 302.9 0.06 16 318 8665 -51.1 -62.1 26 11.0 -51.3 165 48 308.1 308.2 284.7 308.3 0.03 17 300 9040 -54.7 -66.7 21 12.0 -54.9 165 50 308.2 308.2 284.7 308.3 0.02 18 266 9803 -60.5 -71.5 22 11.0 -60.6 158 46 310.6 310.6 285.5 310.6 0.01 19 250 10190 -61.7 -73.7 19 12.0 -61.8 155 44 314.3 314.3 286.9 314.4 0.01 20 248 10240 -61.9 -73.9 19 12.0 -62.0 155 44 314.8 314.8 287.0 314.8 0.01 21 236 10547 -62.3 -73.3 22 11.0 -62.4 158 38 318.7 318.7 288.3 318.7 0.01 22 201 11549 -58.9 -69.9 23 11.0 -59.0 170 20 339.0 339.0 294.1 339.1 0.02 23 200 11580 -59.1 -70.1 23 11.0 -59.2 170 19 339.2 339.2 294.1 339.2 0.02 24 150 13370 -59.5 -71.5 20 12.0 -59.7 230 15 367.6 367.6 300.1 367.6 0.02 25 101 15829 -62.7 -75.7 16 13.0 -62.9 264 23 405.4 405.4 305.9 405.5 0.01 26 100 15890 -62.7 -75.7 16 13.0 -62.9 265 23 406.6 406.6 306.1 406.6 0.01 27 70 18070 -66.3 -80.3 12 14.0 -66.5 270 23 442.5 442.5 310.1 442.6 0.01 28 50 20100 -68.7 -82.7 12 14.0 -68.9 280 19 481.6 481.6 313.6 481.6 0.01 29 37 21887 -72.3 -85.3 12 13.0 -72.5 515.7 515.7 316.0 515.7 0.01 TRP 248 10240 -61.9 -73.9 19 12.0 -62.0 155 44 314.8 314.8 287.0 314.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5334.00 m Freezing level: 947.74 mb = 671.83 m = 2204.15 ft Freezing level: 899.00 mb = 1091.27 m = 3580.24 ft Freezing level: 899.00 mb = 1091.27 m = 3580.24 ft Wetbulb zero: 960.53 mb = 560.03 m = 1837.36 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 53.66 % Est. max temperature: 9.70 C = 49.45 F Sfc-Lift cond lev (LCL): 974.44 mb = 444.32 m = 1457.73 ft T: 1.38 C 700-500 lapse rate: 6.66 C/km ThetaE index: 1.26 C Layer 850.0- 727.0 mb Conv cond level (CCL): 863.02 mb = 1416.87 m = 4648.48 ft Mean mixing ratio: 3.75 g/kg Conv temperature: 9.32 C = 48.77 F Cap Strength: 10.75 C Lifted Index: 11.30 C Risk: None Lifted Index @300 mb: 14.25 C Lifted Index @700 mb: 7.33 C Showalter Index: 8.90 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.20 C Cross Totals Index: 20.80 C K Index: 9.70 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.30 J/kg Max Up Vert Vel: 6.21 m/s Conv Inhibition (B-): 30137.72 J/kg Cap Strength: 11.28 C Lift Cond Lev (LCL): 926.73 mb = 848.10 m = 2782.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 216 at 16 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 ---------------------------------------------------------- 0 999 244 160 3 -1.0 2.8 | 46 15 -10.7 -10.4 1 925 863 200 15 5.1 14.1 | 101 5 -4.5 0.9 2 850 1538 190 21 3.6 20.7 | 141 10 -6.0 7.5 3 700 3049 195 23 6.0 22.2 | 158 10 -3.7 9.0 4 500 5570 175 25 -2.2 24.9 | 135 17 -11.8 11.7 5 400 7140 165 38 -9.8 36.7 | 140 31 -19.5 23.5 6 300 9040 165 50 -12.9 48.3 | 147 42 -22.6 35.1 7 250 10190 155 44 -18.6 39.9 | 133 39 -28.2 26.7 8 248 10240 155 44 -18.6 39.9 | 133 39 -28.2 26.7 9 200 11580 170 19 -3.3 18.7 | 113 14 -12.9 5.5 10 150 13370 230 15 11.5 9.6 | 333 4 1.9 -3.6 11 100 15890 265 23 22.9 2.0 | 310 17 13.3 -11.2 12 70 18070 270 23 23.0 -0.0 | 315 19 13.4 -13.2 13 50 20100 280 19 18.7 -3.3 | 331 19 9.1 -16.5 Wind Parameters Mean winds (0-6000m): 186.1 at 21.8 knts Storm direction: 216.1 at 16.4 knts Shear (0-3000m) pos: 3.0 neg: 0.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 38.1 neg: -1.0 tot: 37.1 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.74 Bulk Shear: 26.24 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 ------------------------------------------------------------------------------- 500 192 8 55 10| 10.6 0.0 10.6| 21.5 0.0 21.5 43.0 0.67| 11.1 7.4 1000 195 12 75 7| 8.2 0.0 8.2| 28.4 0.0 28.4 28.4 0.69| 8.9 6.1 1500 193 15 100 6| 5.5 1.1 6.6| 32.0 0.0 32.0 21.4 0.65| 7.1 4.6 2000 193 16 115 7| 4.3 0.8 5.1| 34.3 0.0 34.3 17.2 0.67| 5.6 3.7 2500 193 18 125 7| 3.6 0.6 4.3| 36.7 0.0 36.7 14.7 0.68| 4.6 3.2 3000 193 19 132 7| 3.0 0.6 3.6| 38.1 -1.0 37.1 12.4 0.66| 4.1 2.7 4000 192 20 138 8| 2.3 0.8 3.1| 38.1 -7.2 30.9 7.7 0.50| 3.5 1.7 5000 189 21 139 10| 1.8 1.0 2.8| 38.1 -15.0 23.1 4.6 0.38| 3.1 1.2 6000 186 22 139 11| 1.5 1.4 2.9| 45.6 -17.7 27.9 4.7 0.33| 3.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251204.00.gif