UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 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 227 160 7 SFC 998 243 2.8 1.3 90 1.5 2.1 160 7 276.1 276.8 275.4 287.6 4.21 2 959 564 0.0 -1.3 91 1.3 -0.5 184 12 276.4 277.0 274.8 286.4 3.62 3 925 854 0.2 -0.7 94 0.9 -0.2 205 17 279.5 280.2 276.9 290.4 3.92 4 918 915 -0.3 -1.3 93 1.0 -0.7 206 17 279.6 280.3 276.7 290.1 3.78 5 911 976 1.0 0.0 93 1.0 0.5 207 16 281.6 282.3 278.3 293.3 4.20 6 850 1530 -2.7 -5.0 84 2.3 -3.6 215 13 283.3 283.9 277.7 292.1 3.10 7 700 3039 -12.9 -16.8 73 3.9 -13.9 245 7 288.2 288.5 277.9 292.6 1.46 8 672 3349 -15.1 -18.4 76 3.3 -15.9 241 8 289.1 289.4 278.2 293.2 1.33 9 645 3658 -15.1 -18.1 78 3.0 -15.9 238 9 292.5 292.8 280.0 296.9 1.42 10 632 3812 -15.1 -18.8 73 3.7 -16.0 236 10 294.2 294.5 280.7 298.5 1.37 11 518 5284 -25.3 -33.3 47 8.0 -26.3 218 16 299.2 299.2 281.6 300.6 0.45 12 500 5540 -27.1 -35.1 47 8.0 -28.0 215 17 300.0 300.1 281.9 301.3 0.39 13 459 6152 -31.7 -39.7 45 8.0 -32.4 211 19 301.7 301.7 282.4 302.6 0.26 14 400 7110 -39.5 -45.5 53 6.0 -39.8 205 21 303.7 303.7 283.1 304.2 0.16 15 300 9000 -56.9 -61.9 53 5.0 -57.0 205 27 305.1 305.1 283.5 305.3 0.03 16 297 9064 -57.1 -62.1 53 5.0 -57.2 210 27 305.7 305.7 283.7 305.9 0.03 17 250 10160 -56.9 -61.9 53 5.0 -57.0 220 21 321.5 321.5 289.2 321.6 0.04 18 200 11570 -57.1 -63.1 46 6.0 -57.2 215 13 342.3 342.3 294.9 342.5 0.04 19 183 12129 -56.7 -63.7 41 7.0 -56.8 220 13 351.8 351.8 297.1 352.0 0.04 20 150 13380 -57.9 -65.9 35 8.0 -58.0 230 13 370.3 370.3 300.7 370.5 0.04 21 100 15920 -61.3 -71.3 25 10.0 -61.5 270 13 409.3 409.3 306.5 409.4 0.03 22 70 18120 -65.1 -76.1 20 11.0 -65.3 250 19 445.1 445.1 310.4 445.2 0.02 23 50 20150 -68.1 -79.1 19 11.0 -68.2 235 21 483.0 483.0 313.7 483.1 0.02 24 35 22274 -70.5 -82.5 15 12.0 -70.7 259 37 528.6 528.6 316.8 528.7 0.01 25 30 23180 -73.9 -84.9 17 11.0 -74.0 270 44 543.2 543.2 317.7 543.2 0.01 26 25 24234 -76.7 -88.7 13 12.0 -76.8 270 51 564.2 564.2 318.9 564.2 0.01 27 23 24715 -74.9 -86.9 14 12.0 -75.0 270 54 583.1 583.1 319.8 583.2 0.01 28 20 25520 -77.1 -88.1 16 11.0 -77.2 270 60 600.2 600.2 320.6 600.2 0.01 29 17 26447 -79.9 -79.9 100 0.0 -79.9 619.7 619.8 321.5 620.0 0.04 30 13 27970 -78.7 -89.7 15 11.0 -78.8 673.3 673.3 323.6 673.4 0.01 TRP 297 9064 -57.1 -62.1 53 5.0 -57.2 210 27 305.7 305.7 283.7 305.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5313.00 m Freezing level: 922.20 mb = 878.35 m = 2881.68 ft Freezing level: 916.38 mb = 929.05 m = 3048.01 ft Freezing level: 894.51 mb = 1125.95 m = 3694.01 ft Wetbulb zero: 966.51 mb = 501.63 m = 1645.75 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 73.89 % Est. max temperature: 10.07 C = 50.12 F Sfc-Lift cond lev (LCL): 974.99 mb = 431.20 m = 1414.67 ft T: 1.16 C 700-500 lapse rate: 5.68 C/km ThetaE index: 1.19 C Layer 959.0- 925.0 mb Conv cond level (CCL): 865.25 mb = 1387.93 m = 4553.53 ft Mean mixing ratio: 3.89 g/kg Conv temperature: 9.56 C = 49.20 F Cap Strength: 9.54 C Lifted Index: 9.97 C Risk: None Lifted Index @300 mb: 11.58 C Lifted Index @700 mb: 3.49 C Showalter Index: 7.51 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.10 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 43.00 Risk: None Energy Index: 1.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.69 J/kg Max Up Vert Vel: 7.03 m/s Conv Inhibition (B-): 47495.46 J/kg Cap Strength: 9.78 C Lift Cond Lev (LCL): 929.11 mb = 818.41 m = 2685.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 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 ---------------------------------------------------------- 0 998 243 160 7 -2.4 6.6 | 105 11 -11.1 3.0 1 925 854 205 17 7.2 15.4 | 173 12 -1.5 11.8 2 850 1530 215 13 7.5 10.6 | 170 7 -1.2 7.0 3 700 3039 245 7 6.3 3.0 | 75 2 -2.3 -0.6 4 500 5540 215 17 9.8 13.9 | 186 10 1.1 10.3 5 400 7110 205 21 8.9 19.0 | 181 15 0.2 15.4 6 300 9000 205 27 11.4 24.5 | 187 21 2.7 20.9 7 297 9064 210 27 13.5 23.4 | 194 20 4.8 19.8 8 250 10160 220 21 13.5 16.1 | 201 13 4.8 12.5 9 200 11570 215 13 7.5 10.6 | 170 7 -1.2 7.0 10 150 13380 230 13 10.0 8.4 | 195 5 1.3 4.8 11 100 15920 270 13 13.0 -0.0 | 310 6 4.3 -3.6 12 70 18120 250 19 17.9 6.5 | 252 10 9.2 2.9 13 50 20150 235 21 17.2 12.0 | 225 12 8.5 8.4 14 30 23180 270 44 44.0 -0.0 | 276 36 35.3 -3.6 15 20 25520 270 60 60.0 -0.0 | 274 51 51.3 -3.6 Wind Parameters Mean winds (0-6000m): 217.5 at 12.5 knts Storm direction: 247.5 at 9.4 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -15.1 deg Storm rel helicity (0-3000m) pos: 43.0 neg: -3.3 tot: 39.7 m^2/s^2 ave: 13.2 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.27 Bulk Shear: 4.69 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 11 137 10| 10.8 0.0 10.8| 33.5 0.0 33.5 66.9 1.00| 11.2 11.2 1000 200 13 155 10| 6.0 0.0 6.0| 42.6 -0.2 42.5 42.5 0.84| 8.4 7.1 1500 204 13 160 9| 3.6 0.0 3.6| 42.7 -0.9 41.8 27.9 0.69| 6.7 4.6 2000 209 13 162 8| 2.6 0.0 2.6| 42.7 -1.5 41.1 20.6 0.58| 5.8 3.3 2500 212 12 161 7| 2.0 0.0 2.0| 42.7 -2.6 40.0 16.0 0.44| 5.1 2.3 3000 215 11 159 6| 1.7 0.0 1.7| 43.0 -3.3 39.7 13.2 0.38| 4.7 1.8 4000 219 11 160 5| 1.3 0.6 1.8| 44.4 -3.3 41.2 10.3 0.42| 4.1 1.7 5000 219 12 165 5| 1.0 1.0 2.0| 44.7 -3.7 41.0 8.2 0.36| 3.8 1.4 6000 217 13 171 6| 0.8 1.1 1.9| 44.7 -5.7 39.0 6.5 0.31| 3.5 1.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251204.12.gif