UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 2 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 215 160 3 SFC 996 247 1.4 -0.6 87 2.0 0.6 160 3 274.9 275.5 273.9 284.9 3.67 2 925 836 -4.1 -6.7 82 2.6 -5.0 170 7 275.1 275.5 272.3 282.0 2.50 3 895 1096 -5.9 -7.9 86 2.0 -6.5 191 8 275.9 276.3 272.6 282.4 2.35 4 893 1113 -5.5 -7.5 86 2.0 -6.2 193 8 276.5 276.9 273.1 283.3 2.43 5 869 1330 1.8 -8.2 47 10.0 -1.9 211 8 286.2 286.6 278.2 293.1 2.37 6 850 1509 2.2 -9.8 41 12.0 -2.1 225 9 288.5 288.8 279.0 294.8 2.13 7 826 1740 2.4 -23.6 13 26.0 -4.5 224 11 291.0 291.2 278.2 293.2 0.69 8 723 2796 -5.9 -13.9 53 8.0 -8.4 221 21 293.2 293.5 280.8 298.7 1.80 9 700 3047 -8.7 -16.7 52 8.0 -10.9 220 23 292.9 293.1 280.2 297.4 1.48 10 690 3157 -11.1 -21.1 43 10.0 -13.5 219 23 291.4 291.6 278.9 294.6 1.03 11 597 4246 -18.9 -24.9 59 6.0 -20.0 208 27 294.7 294.8 280.1 297.4 0.85 12 539 4997 -23.3 -36.3 29 13.0 -24.9 201 29 298.2 298.2 281.0 299.2 0.32 13 527 5161 -24.7 -37.7 29 13.0 -26.2 199 30 298.4 298.5 281.1 299.4 0.28 14 500 5540 -26.7 -37.7 35 11.0 -27.9 195 31 300.5 300.5 282.0 301.5 0.30 15 405 7034 -34.9 -43.9 39 9.0 -35.6 237 16 308.5 308.6 285.0 309.2 0.19 16 400 7120 -35.5 -44.5 39 9.0 -36.1 240 15 308.9 308.9 285.1 309.5 0.18 17 380 7476 -38.5 -46.5 43 8.0 -39.0 238 16 309.5 309.5 285.3 310.0 0.15 18 300 9060 -51.3 -60.3 33 9.0 -51.5 230 21 313.0 313.0 286.5 313.2 0.04 19 262 9925 -58.3 -67.3 31 9.0 -58.4 260 11 315.1 315.1 287.2 315.2 0.02 20 250 10220 -57.9 -66.9 31 9.0 -58.0 270 7 320.0 320.0 288.8 320.1 0.02 21 249 10245 -57.5 -66.5 31 9.0 -57.6 271 7 320.9 321.0 289.0 321.0 0.02 22 234 10633 -61.3 -69.3 34 8.0 -61.4 281 12 320.9 320.9 289.0 321.0 0.01 23 229 10766 -61.7 -69.7 34 8.0 -61.8 285 13 322.3 322.3 289.5 322.4 0.01 24 200 11600 -62.7 -70.7 33 8.0 -62.8 290 13 333.5 333.5 292.7 333.5 0.01 25 197 11694 -62.9 -70.9 33 8.0 -63.0 290 13 334.6 334.6 293.0 334.7 0.01 26 150 13390 -60.5 -69.5 30 9.0 -60.6 290 13 365.9 365.9 299.8 365.9 0.02 27 132 14187 -59.7 -69.7 26 10.0 -59.9 281 13 380.9 380.9 302.4 381.0 0.02 28 100 15910 -62.5 -73.5 21 11.0 -62.7 260 13 407.0 407.0 306.2 407.1 0.02 29 70 18100 -63.5 -75.5 18 12.0 -63.7 265 17 448.5 448.5 310.7 448.6 0.02 30 50 20160 -65.5 -78.5 15 13.0 -65.8 275 17 489.1 489.1 314.2 489.2 0.02 31 31 23043 -67.1 -81.1 12 14.0 -67.4 266 24 556.5 556.5 318.5 556.6 0.02 32 30 23240 -68.1 -82.1 12 14.0 -68.4 265 25 559.0 559.0 318.6 559.1 0.02 33 20 25640 -74.3 -88.3 10 14.0 -74.5 265 46 608.7 608.7 321.0 608.8 0.01 34 16 26931 -76.9 -90.9 9 14.0 -77.1 640.4 640.4 322.3 640.4 0.01 TRP 229 10766 -61.7 -69.7 34 8.0 -61.8 285 13 322.3 322.3 289.5 322.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5325.00 m Freezing level: 977.93 mb = 397.10 m = 1302.81 ft Freezing level: 874.92 mb = 1276.83 m = 4189.04 ft Freezing level: 796.22 mb = 2044.95 m = 6709.06 ft Wetbulb zero: 988.61 mb = 306.53 m = 1005.66 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 49.02 % Est. max temperature: 15.39 C = 59.71 F Sfc-Lift cond lev (LCL): 965.42 mb = 495.53 m = 1625.75 ft T: -0.92 C 700-500 lapse rate: 7.22 C/km ThetaE index: 4.13 C Layer 700.0- 597.0 mb Conv cond level (CCL): 908.83 mb = 974.93 m = 3198.55 ft Mean mixing ratio: 2.89 g/kg Conv temperature: 2.05 C = 35.70 F Cap Strength: 13.48 C Lifted Index: 14.82 C Risk: None Lifted Index @300 mb: 21.25 C Lifted Index @700 mb: 11.67 C Showalter Index: 5.98 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 16.90 C K Index: 11.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.10 J/kg Max Up Vert Vel: 2.49 m/s Conv Inhibition (B-): 47256.39 J/kg Cap Strength: 14.60 C Lift Cond Lev (LCL): 914.07 mb = 929.61 m = 3049.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 15 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 ---------------------------------------------------------- 0 996 247 160 3 -1.0 2.8 | 69 15 -13.8 -5.3 1 925 836 170 7 -1.2 6.9 | 85 14 -14.0 -1.3 2 850 1509 225 9 6.4 6.4 | 74 7 -6.4 -1.8 3 700 3047 220 23 14.8 17.6 | 192 10 2.0 9.5 4 500 5540 195 31 8.0 29.9 | 168 22 -4.7 21.8 5 400 7120 240 15 13.0 7.5 | 341 1 0.2 -0.7 6 300 9060 230 21 16.1 13.5 | 212 6 3.3 5.3 7 250 10220 270 7 7.0 -0.0 | 35 10 -5.8 -8.2 8 229 10766 285 13 12.6 -3.4 | 1 12 -0.2 -11.5 9 200 11600 290 13 12.2 -4.4 | 2 13 -0.5 -12.6 10 150 13390 290 13 12.2 -4.4 | 2 13 -0.5 -12.6 11 100 15910 260 13 12.8 2.3 | 360 6 0.0 -5.9 12 70 18100 265 17 16.9 1.5 | 328 8 4.2 -6.7 13 50 20160 275 17 16.9 -1.5 | 337 10 4.2 -9.6 14 30 23240 265 25 24.9 2.2 | 296 14 12.1 -6.0 15 20 25640 265 46 45.8 4.0 | 277 33 33.1 -4.1 Wind Parameters Mean winds (0-6000m): 207.4 at 20.2 knts Storm direction: 237.4 at 15.1 knts Shear (0-3000m) pos: 1.8 neg: 2.2 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 120.8 deg Storm rel helicity (0-3000m) pos: 30.5 neg: -4.4 tot: 26.0 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 37.96 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 ------------------------------------------------------------------------------- 500 166 5 75 14| 3.6 0.0 3.6| 13.1 0.0 13.1 26.2 0.98| 3.6 3.5 1000 178 6 81 13| 3.3 0.0 3.3| 17.2 -0.5 16.8 16.8 0.51| 4.5 2.3 1500 196 7 83 11| 3.5 0.0 3.5| 19.0 -3.3 15.7 10.5 0.30| 4.8 1.4 2000 207 9 87 9| 2.6 1.2 3.8| 23.5 -3.3 20.2 10.1 0.46| 4.8 2.2 2500 212 11 96 7| 2.1 1.9 4.0| 28.0 -3.3 24.7 9.9 0.50| 4.8 2.4 3000 215 12 111 6| 1.8 2.2 3.9| 30.5 -4.4 26.0 8.7 0.46| 4.6 2.1 4000 214 16 140 6| 1.3 2.1 3.4| 30.5 -12.6 17.9 4.5 0.31| 4.2 1.3 5000 210 18 155 9| 1.1 2.1 3.2| 30.5 -26.5 4.0 0.8 0.19| 3.9 0.7 6000 207 20 161 10| 1.2 1.8 3.0| 52.8 -31.5 21.3 3.5 0.22| 4.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251202.12.gif