UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 1 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 1024 134 -39.7 -47.7 42 8.0 -39.9 0 0 231.9 231.9 231.7 232.0 0.05 1 1006 256 -36.7 -41.7 60 5.0 -36.9 315 1 236.0 236.1 235.9 236.3 0.10 2 1003 277 -34.7 -39.6 61 4.9 -34.9 308 1 238.2 238.3 238.1 238.6 0.12 3 1000 298 -34.7 -39.6 61 4.9 -34.9 300 1 238.4 238.5 238.2 238.8 0.12 4 957 603 -37.1 -41.9 61 4.8 -37.2 314 7 239.0 239.1 238.8 239.3 0.10 5 949 661 -35.5 -40.1 63 4.6 -35.7 317 8 241.2 241.3 240.9 241.6 0.12 6 928 817 -34.7 -39.4 62 4.7 -34.9 324 11 243.6 243.6 243.1 244.0 0.13 7 925 840 -33.9 -38.7 62 4.8 -34.1 325 11 244.6 244.7 244.1 245.0 0.15 8 895 1073 -31.1 -35.4 66 4.3 -31.4 341 13 249.9 249.9 249.0 250.4 0.21 9 876 1227 -26.3 -30.4 68 4.1 -26.7 351 15 256.4 256.4 254.9 257.4 0.35 10 850 1446 -24.5 -28.5 69 4.0 -24.9 5 17 260.5 260.5 258.5 261.7 0.43 11 845 1489 -24.1 -28.1 69 4.0 -24.5 7 17 261.3 261.4 259.2 262.6 0.45 12 837 1559 -22.5 -26.6 69 4.1 -23.0 10 17 263.7 263.8 261.2 265.2 0.52 13 806 1835 -23.9 -29.9 58 6.0 -24.5 21 16 265.1 265.2 261.9 266.3 0.40 14 769 2178 -23.3 -31.3 48 8.0 -24.2 36 15 269.3 269.4 264.9 270.4 0.36 15 714 2717 -26.9 -35.9 42 9.0 -27.7 59 13 271.2 271.2 266.0 271.9 0.25 16 700 2859 -27.9 -36.9 42 9.0 -28.6 65 13 271.6 271.6 266.2 272.3 0.23 17 689 2972 -28.7 -36.7 46 8.0 -29.3 68 13 271.9 272.0 266.5 272.7 0.24 18 646 3433 -29.1 -35.1 56 6.0 -29.6 82 14 276.5 276.6 269.6 277.5 0.30 19 500 5220 -40.5 -44.5 65 4.0 -40.7 135 19 283.7 283.7 273.5 284.1 0.15 20 494 5302 -41.1 -44.9 67 3.8 -41.3 136 19 283.9 283.9 273.6 284.4 0.14 21 412 6517 -49.1 -53.3 61 4.2 -49.2 144 19 288.7 288.7 276.1 289.0 0.07 22 400 6710 -50.9 -54.8 63 3.9 -51.0 145 19 288.8 288.8 276.2 289.0 0.06 23 300 8520 -64.3 -68.6 55 4.3 -64.3 140 15 294.7 294.7 279.0 294.7 0.01 24 283 8872 -67.1 -71.3 55 4.2 -67.1 153 16 295.6 295.6 279.4 295.7 0.01 25 250 9610 -70.7 -74.7 55 4.0 -70.7 180 19 301.0 301.0 281.7 301.0 0.01 26 245 9730 -71.3 -75.3 55 4.0 -71.3 185 17 301.8 301.8 282.1 301.8 0.01 27 244 9754 -71.1 -75.1 55 4.0 -71.1 184 17 302.5 302.5 282.4 302.5 0.01 28 231 10083 -66.5 -70.7 55 4.2 -66.5 178 15 314.2 314.2 286.8 314.3 0.01 29 200 10960 -64.9 -69.2 55 4.3 -65.0 160 11 330.0 330.0 291.7 330.1 0.02 30 170 11963 -60.9 -65.2 57 4.3 -61.0 135 6 352.3 352.3 297.1 352.5 0.04 31 150 12740 -62.3 -67.0 53 4.7 -62.4 115 3 362.8 362.8 299.2 362.9 0.03 32 100 15240 -63.3 -68.3 51 5.0 -63.4 85 5 405.4 405.4 305.9 405.6 0.04 33 70 17410 -66.1 -72.1 43 6.0 -66.2 160 11 443.0 443.0 310.2 443.2 0.03 34 62 18147 -67.3 -73.3 42 6.0 -67.4 158 12 456.0 456.0 311.4 456.1 0.03 35 50 19450 -66.7 -72.7 42 6.0 -66.8 155 13 486.3 486.3 314.0 486.6 0.04 36 39 20952 -66.9 -73.9 37 7.0 -67.1 521.6 521.6 316.4 521.9 0.04 TRP 245 9730 -71.3 -75.3 55 4.0 -71.3 185 17 301.8 301.8 282.1 301.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 4922.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 57.69 % Est. max temperature: -14.72 C = 5.51 F Sfc-Lift cond lev (LCL): 888.93 mb = 1121.75 m = 3680.24 ft T: -29.58 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.00 C Layer 1024.0--2648116578746368.0 mb Conv cond level (CCL): 415.84 mb = 6454.41 m = 21175.64 ft Mean mixing ratio: 0.11 g/kg Conv temperature: 17.30 C = 63.14 F Cap Strength: 32.87 C Lifted Index: 36.38 C Risk: None Lifted Index @300 mb: 39.27 C Lifted Index @700 mb: 29.21 C Showalter Index: 18.07 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 12.00 C K Index: -21.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.34 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 47468.61 J/kg Cap Strength: 36.29 C Lift Cond Lev (LCL): 894.55 mb = 1076.50 m = 3531.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 at 11 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 1024 134 0 0 -0.0 -0.0 | 296 11 9.9 -4.8 1 1000 298 300 1 0.9 -0.5 | 296 12 10.8 -5.3 2 925 840 325 11 6.3 -9.0 | 310 21 16.2 -13.8 3 850 1446 5 17 -1.5 -16.9 | 339 23 8.4 -21.8 4 700 2859 65 13 -11.8 -5.5 | 10 10 -1.9 -10.3 5 500 5220 135 19 -13.4 13.4 | 158 9 -3.5 8.6 6 400 6710 145 19 -10.9 15.6 | 175 11 -1.0 10.7 7 300 8520 140 15 -9.6 11.5 | 182 7 0.3 6.7 8 250 9610 180 19 0.0 19.0 | 215 17 9.9 14.2 9 245 9730 185 17 1.5 16.9 | 223 17 11.4 12.1 10 200 10960 160 11 -3.8 10.3 | 228 8 6.1 5.5 11 150 12740 115 3 -2.7 1.3 | 296 8 7.2 -3.6 12 100 15240 85 5 -5.0 -0.4 | 317 7 4.9 -5.3 13 70 17410 160 11 -3.8 10.3 | 228 8 6.1 5.5 14 50 19450 155 13 -5.5 11.8 | 212 8 4.4 7.0 Wind Parameters Mean winds (0-6000m): 86.0 at 14.7 knts Storm direction: 116.0 at 11.0 knts Shear (0-3000m) pos: 3.1 neg: 1.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 84.1 deg Storm rel helicity (0-3000m) pos: 138.4 neg: -0.4 tot: 138.0 m^2/s^2 ave: 46.0 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.84 Bulk Shear: 37.35 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 ------------------------------------------------------------------------------- 500 313 3 299 14| 0.0 7.4 7.4| 8.7 -0.4 8.2 16.5 0.28| 7.6 2.1 1000 329 7 309 17| 4.3 3.7 8.0| 49.5 -0.4 49.1 49.1 0.56| 8.5 4.8 1500 347 10 320 19| 4.8 2.5 7.3| 98.9 -0.4 98.5 65.7 0.69| 8.7 6.0 2000 359 11 328 19| 4.0 1.9 5.8|119.9 -0.4 119.5 59.7 0.69| 8.0 5.5 2500 9 12 334 18| 3.4 1.5 4.9|131.3 -0.4 130.9 52.3 0.66| 7.6 5.0 3000 18 12 339 18| 3.1 1.2 4.4|138.4 -0.4 138.0 46.0 0.65| 7.0 4.6 4000 39 13 353 15| 2.9 0.9 3.8|152.8 -0.4 152.4 38.1 0.69| 6.3 4.4 5000 63 14 12 11| 2.7 0.7 3.4|168.5 -0.4 168.1 33.6 0.73| 6.0 4.4 6000 86 15 39 8| 2.2 0.6 2.9|174.9 -0.4 174.5 29.1 0.74| 5.3 3.9 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251201.12.gif