UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 8 DEC 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1005 137 -36.5 -40.0 70 3.5 -36.6 0 0 236.3 236.3 236.2 236.6 0.12 1 1002 158 -31.7 -35.3 70 3.6 -31.9 0 0 241.3 241.3 241.1 241.8 0.19 2 1000 172 -30.7 -34.4 70 3.7 -30.9 0 0 242.4 242.5 242.2 243.0 0.21 3 997 193 -30.5 -34.3 69 3.8 -30.7 354 0 242.9 242.9 242.6 243.4 0.21 4 995 208 -27.7 -31.6 69 3.9 -28.0 350 0 245.8 245.8 245.5 246.5 0.27 5 968 406 -25.3 -28.7 73 3.4 -25.6 297 2 250.2 250.2 249.6 251.2 0.37 6 925 735 -25.3 -29.0 71 3.7 -25.6 210 5 253.4 253.5 252.5 254.5 0.38 7 888 1031 -26.3 -29.7 73 3.4 -26.6 229 6 255.4 255.4 254.1 256.4 0.37 8 850 1349 -24.7 -29.0 67 4.3 -25.1 250 7 260.3 260.3 258.2 261.4 0.41 9 823 1584 -23.9 -29.9 58 6.0 -24.5 248 8 263.5 263.6 260.7 264.7 0.39 10 734 2414 -26.7 -33.7 52 7.0 -27.3 242 13 269.2 269.3 264.7 270.1 0.30 11 700 2754 -29.1 -36.1 51 7.0 -29.6 240 15 270.3 270.3 265.3 271.0 0.25 12 532 4655 -43.3 -49.3 52 6.0 -43.5 228 12 275.3 275.3 268.4 275.6 0.08 13 500 5070 -45.9 -51.9 51 6.0 -46.0 225 11 277.1 277.1 269.5 277.3 0.06 14 400 6530 -55.1 -61.1 47 6.0 -55.2 195 11 283.4 283.4 273.2 283.5 0.03 15 379 6872 -57.3 -63.3 46 6.0 -57.3 206 9 284.9 284.9 274.0 285.0 0.02 16 328 7777 -60.7 -66.7 45 6.0 -60.7 235 5 292.2 292.2 277.8 292.3 0.01 17 300 8330 -61.9 -67.9 45 6.0 -61.9 270 3 298.1 298.1 280.5 298.1 0.01 18 299 8351 -61.9 -67.9 45 6.0 -61.9 269 3 298.4 298.4 280.6 298.4 0.01 19 268 9027 -60.7 -66.7 45 6.0 -60.7 242 4 309.6 309.6 285.2 309.7 0.02 20 250 9460 -58.5 -64.5 46 6.0 -58.6 225 5 319.1 319.1 288.5 319.2 0.03 21 220 10271 -54.9 -60.9 47 6.0 -55.1 234 6 336.5 336.5 293.5 336.7 0.05 22 200 10880 -55.1 -61.1 47 6.0 -55.2 240 7 345.5 345.5 295.7 345.7 0.05 23 150 12720 -54.3 -63.3 32 9.0 -54.6 255 11 376.5 376.5 301.7 376.8 0.05 24 116 14375 -52.9 -64.9 22 12.0 -53.4 242 20 407.8 407.8 306.3 408.1 0.05 25 100 15330 -54.5 -68.5 16 14.0 -55.0 235 25 422.4 422.4 308.0 422.6 0.04 26 78 16915 -57.7 -73.7 11 16.0 -58.2 235 28 446.9 446.9 310.6 447.0 0.02 27 70 17600 -57.9 -73.9 11 16.0 -58.4 235 29 460.5 460.5 311.8 460.7 0.02 28 50 19710 -59.9 -77.9 8 18.0 -60.4 235 46 502.3 502.3 315.1 502.4 0.02 29 38 21432 -57.9 -75.9 8 18.0 -58.7 548.4 548.4 318.0 548.7 0.03 30 33 22318 -59.9 -78.9 7 19.0 -60.7 565.7 565.7 318.9 565.9 0.02 TRP 328 7777 -60.7 -66.7 45 6.0 -60.7 235 5 292.2 292.2 277.8 292.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 4898.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 57.10 % Est. max temperature: -13.17 C = 8.30 F Sfc-Lift cond lev (LCL): 945.96 mb = 572.68 m = 1878.84 ft T: -25.30 C 700-500 lapse rate: 7.25 C/km ThetaE index: 0.00 C Layer 1005.0-272008302207532160516096.0 mb Conv cond level (CCL): 1002.00 mb = 157.88 m = 517.97 ft Mean mixing ratio: 0.34 g/kg Conv temperature: -28.93 C = -20.07 F Cap Strength: 20.14 C Lifted Index: 21.23 C Risk: None Lifted Index @300 mb: 33.24 C Lifted Index @700 mb: 17.40 C Showalter Index: 12.91 C Risk: None Total Totals Index: 38.10 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 16.90 C K Index: -14.80 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.72 J/kg Max Up Vert Vel: 9.24 m/s Conv Inhibition (B-): 48316.54 J/kg Cap Strength: 21.21 C Lift Cond Lev (LCL): 900.50 mb = 929.81 m = 3050.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 8 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 1005 137 0 0 -0.0 -0.0 | 82 8 -7.8 -1.1 1 1000 172 0 0 -0.0 -0.0 | 82 8 -7.8 -1.1 2 925 735 210 5 2.5 4.3 | 121 6 -5.3 3.2 3 850 1349 250 7 6.6 2.4 | 137 2 -1.2 1.3 4 700 2754 240 15 13.0 7.5 | 219 8 5.2 6.4 5 500 5070 225 11 7.8 7.8 | 180 7 0.0 6.6 6 400 6530 195 11 2.8 10.6 | 153 11 -4.9 9.5 7 328 7777 235 5 4.1 2.9 | 115 4 -3.7 1.7 8 300 8330 270 3 3.0 -0.0 | 77 5 -4.8 -1.1 9 250 9460 225 5 3.5 3.5 | 120 5 -4.2 2.4 10 200 10880 240 7 6.1 3.5 | 144 3 -1.7 2.4 11 150 12720 255 11 10.6 2.8 | 239 3 2.9 1.7 12 100 15330 235 25 20.5 14.3 | 224 18 12.7 13.2 13 70 17600 235 29 23.8 16.6 | 226 22 16.0 15.5 14 50 19710 235 46 37.7 26.4 | 230 39 29.9 25.2 Wind Parameters Mean winds (0-6000m): 231.7 at 10.5 knts Storm direction: 261.7 at 7.8 knts Shear (0-3000m) pos: 0.8 neg: 1.7 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 131.8 deg Storm rel helicity (0-3000m) pos: 9.7 neg: -4.6 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.42 Bulk Shear: 9.66 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 ------------------------------------------------------------------------------- 500 236 2 89 6| 0.0 4.2 4.2| 3.5 -2.8 0.7 1.4 0.23| 6.5 1.5 1000 219 4 107 6| 1.1 2.1 3.2| 6.9 -2.8 4.1 4.1 0.35| 5.9 2.0 1500 233 5 114 4| 1.6 1.4 3.0| 7.7 -2.8 5.0 3.3 0.39| 5.1 2.0 2000 238 6 129 3| 1.2 1.8 3.0| 8.9 -2.8 6.1 3.1 0.40| 4.5 1.8 2500 239 8 154 3| 1.0 2.1 3.0| 9.7 -2.8 6.9 2.7 0.37| 4.2 1.6 3000 239 9 174 3| 0.8 1.7 2.5| 9.7 -4.6 5.2 1.7 0.31| 3.8 1.2 4000 238 10 188 4| 0.6 1.1 1.7| 9.7 -8.8 0.9 0.2 0.19| 3.1 0.6 5000 236 10 189 5| 0.5 0.8 1.3| 9.7 -12.8 -3.0 -0.6 0.09| 2.7 0.3 6000 232 10 185 5| 0.4 0.8 1.2| 9.7 -18.8 -9.1 -1.5 -0.01| 2.6 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251208.12.gif