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 U4947... Searching the city database file for: U4947 ... Date:1200Z 2 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 1017 136 -38.7 -44.7 53 6.0 -38.9 0 0 233.3 233.3 233.2 233.5 0.07 1 1013 163 -37.5 -42.1 62 4.6 -37.7 18 0 234.8 234.8 234.7 235.0 0.09 2 1008 197 -33.1 -37.9 62 4.8 -33.3 40 1 239.5 239.5 239.3 239.9 0.14 3 1000 253 -32.5 -37.3 62 4.8 -32.7 75 1 240.6 240.7 240.4 241.1 0.15 4 986 353 -30.7 -35.0 66 4.3 -30.9 96 2 243.4 243.5 243.1 244.0 0.20 5 973 447 -30.5 -34.7 67 4.2 -30.7 115 4 244.6 244.6 244.2 245.1 0.21 6 967 491 -29.1 -33.5 66 4.4 -29.4 124 4 246.4 246.4 246.0 247.0 0.23 7 944 663 -30.1 -34.3 67 4.2 -30.4 160 7 247.1 247.1 246.6 247.7 0.22 8 936 724 -27.1 -31.5 66 4.4 -27.5 173 8 250.7 250.8 250.0 251.6 0.29 9 925 809 -25.7 -29.9 68 4.2 -26.1 190 9 253.0 253.1 252.1 254.0 0.35 10 877 1196 -24.9 -28.7 71 3.8 -25.3 181 6 257.7 257.8 256.2 258.9 0.41 11 861 1330 -22.3 -26.1 71 3.8 -22.8 177 6 261.8 261.9 259.7 263.3 0.53 12 852 1408 -20.7 -24.8 70 4.1 -21.2 175 5 264.3 264.4 261.7 266.0 0.60 13 850 1425 -20.7 -25.0 68 4.3 -21.3 175 5 264.5 264.6 261.9 266.1 0.59 14 796 1911 -20.5 -32.5 33 12.0 -21.8 182 6 269.7 269.7 265.1 270.6 0.31 15 785 2014 -21.3 -34.3 30 13.0 -22.7 183 6 269.9 269.9 265.1 270.7 0.27 16 737 2477 -24.3 -32.3 48 8.0 -25.1 190 6 271.5 271.6 266.4 272.6 0.34 17 700 2852 -24.9 -29.9 63 5.0 -25.5 195 7 274.9 275.0 268.8 276.3 0.46 18 653 3355 -26.5 -30.8 67 4.3 -27.0 206 8 278.6 278.7 271.1 280.0 0.45 19 649 3400 -26.7 -31.1 66 4.4 -27.2 207 8 278.9 279.0 271.3 280.2 0.44 20 500 5230 -40.1 -45.1 59 5.0 -40.4 250 13 284.1 284.2 273.8 284.6 0.14 21 400 6710 -51.1 -57.1 49 6.0 -51.2 265 13 288.6 288.6 276.0 288.7 0.04 22 344 7677 -58.1 -64.1 46 6.0 -58.2 299 13 291.8 291.8 277.6 291.9 0.02 23 300 8530 -63.1 -69.1 44 6.0 -63.1 330 13 296.4 296.4 279.7 296.4 0.01 24 296 8612 -63.5 -69.5 44 6.0 -63.6 332 14 297.0 297.0 280.0 297.0 0.01 25 262 9356 -66.3 -72.3 43 6.0 -66.3 350 19 303.4 303.4 282.8 303.4 0.01 26 250 9640 -66.5 -72.5 43 6.0 -66.5 355 21 307.2 307.2 284.2 307.2 0.01 27 219 10445 -65.3 -71.3 43 6.0 -65.3 358 17 320.9 320.9 289.0 321.0 0.01 28 200 11000 -64.1 -70.1 44 6.0 -64.1 360 15 331.2 331.3 292.1 331.3 0.02 29 150 12760 -62.9 -68.9 44 6.0 -63.0 360 11 361.7 361.7 299.1 361.8 0.02 30 146 12926 -62.5 -68.5 44 6.0 -62.6 0 11 365.2 365.2 299.7 365.3 0.03 31 100 15250 -63.7 -71.7 33 8.0 -63.8 5 7 404.7 404.7 305.9 404.8 0.02 32 70 17420 -66.7 -74.7 32 8.0 -66.8 305 5 441.7 441.7 310.1 441.8 0.02 33 50 19450 -67.7 -76.7 27 9.0 -67.9 195 3 484.0 484.0 313.8 484.1 0.02 34 40 20792 -67.9 -77.9 23 10.0 -68.1 515.3 515.3 316.0 515.5 0.02 TRP 262 9356 -66.3 -72.3 43 6.0 -66.3 350 19 303.4 303.4 282.8 303.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 4977.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 59.68 % Est. max temperature: -11.61 C = 11.10 F Sfc-Lift cond lev (LCL): 915.35 mb = 885.07 m = 2903.74 ft T: -25.54 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.00 C Layer 1017.0-11024811681644544.0 mb Conv cond level (CCL): 1013.00 mb = 162.74 m = 533.93 ft Mean mixing ratio: 0.22 g/kg Conv temperature: -33.21 C = -27.78 F Cap Strength: 29.00 C Lifted Index: 31.19 C Risk: None Lifted Index @300 mb: 35.61 C Lifted Index @700 mb: 26.12 C Showalter Index: 14.90 C Risk: None Total Totals Index: 34.50 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 15.10 C K Index: -10.60 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.59 J/kg Max Up Vert Vel: 10.73 m/s Conv Inhibition (B-): 45394.99 J/kg Cap Strength: 31.14 C Lift Cond Lev (LCL): 903.51 mb = 979.56 m = 3213.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 254 at 6 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 1017 136 0 0 -0.0 -0.0 | 74 6 -6.2 -1.8 1 1000 253 75 1 -1.0 -0.3 | 74 7 -7.1 -2.1 2 925 809 190 9 1.6 8.9 | 147 8 -4.6 7.0 3 850 1425 175 5 -0.4 5.0 | 116 7 -6.6 3.2 4 700 2852 195 7 1.8 6.8 | 139 7 -4.4 4.9 5 500 5230 250 13 12.2 4.4 | 246 7 6.0 2.6 6 400 6710 265 13 13.0 1.1 | 276 7 6.8 -0.7 7 300 8530 330 13 6.5 -11.3 | 359 13 0.3 -13.1 8 262 9356 350 19 3.3 -18.7 | 8 21 -2.9 -20.5 9 250 9640 355 21 1.8 -20.9 | 11 23 -4.3 -22.7 10 200 11000 360 15 -0.0 -15.0 | 20 18 -6.2 -16.8 11 150 12760 360 11 -0.0 -11.0 | 26 14 -6.2 -12.8 12 100 15250 5 7 -0.6 -7.0 | 38 11 -6.8 -8.8 13 70 17420 305 5 4.1 -2.9 | 24 5 -2.1 -4.7 14 50 19450 195 3 0.8 2.9 | 101 6 -5.4 1.1 Wind Parameters Mean winds (0-6000m): 223.6 at 8.6 knts Storm direction: 253.6 at 6.4 knts Shear (0-3000m) pos: 1.6 neg: 0.3 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 74.4 deg Storm rel helicity (0-3000m) pos: 36.0 neg: -8.6 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.89 Bulk Shear: 9.78 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 ------------------------------------------------------------------------------- 500 143 3 94 8| 6.7 0.0 6.7| 17.0 -0.2 16.7 33.4 0.77| 9.0 6.9 1000 185 5 122 7| 3.5 0.0 3.5| 29.1 -4.8 24.3 24.3 0.59| 8.3 4.9 1500 183 5 122 7| 2.4 0.6 2.9| 29.8 -8.6 21.1 14.1 0.43| 6.4 2.8 2000 183 6 122 7| 2.0 0.4 2.4| 31.6 -8.6 22.9 11.5 0.46| 5.0 2.3 2500 184 6 124 7| 1.7 0.3 2.1| 33.4 -8.6 24.8 9.9 0.49| 4.2 2.1 3000 187 6 126 7| 1.6 0.3 1.9| 36.0 -8.6 27.4 9.1 0.52| 3.8 2.0 4000 196 7 137 6| 1.5 0.2 1.7| 42.8 -8.6 34.1 8.5 0.60| 3.4 2.0 5000 211 8 155 5| 1.4 0.2 1.6| 50.7 -8.6 42.1 8.4 0.66| 3.3 2.2 6000 224 9 177 4| 1.2 0.1 1.3| 55.2 -8.6 46.5 7.8 0.69| 3.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251202.12.gif