UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 5 DEC 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 36 SFC 989 113 -33.9 -37.5 70 3.6 -34.1 295 1 240.0 240.0 239.8 240.4 0.15 2 982 163 -31.9 -36.9 61 5.0 -32.1 296 1 242.5 242.5 242.2 243.0 0.16 3 960 324 -30.3 -35.2 62 4.9 -30.6 297 1 245.7 245.7 245.2 246.3 0.20 4 946 430 -23.7 -28.7 63 5.0 -24.2 298 1 253.4 253.5 252.5 254.5 0.38 5 935 516 -22.9 -27.5 66 4.6 -23.4 299 1 255.1 255.2 254.1 256.3 0.43 6 926 587 -19.1 -23.3 69 4.2 -19.7 300 1 259.7 259.8 258.2 261.4 0.63 7 925 595 -18.9 -23.0 70 4.1 -19.5 300 1 260.0 260.1 258.5 261.8 0.65 8 862 1121 -18.7 -21.5 79 2.8 -19.1 53 3 265.5 265.6 263.0 267.7 0.79 9 850 1225 -19.3 -22.3 77 3.0 -19.8 75 3 265.9 266.0 263.3 268.1 0.75 10 758 2070 -23.7 -27.0 74 3.3 -24.1 4 9 270.0 270.1 265.8 271.6 0.55 11 700 2652 -24.3 -27.3 76 3.0 -24.7 315 13 275.6 275.7 269.5 277.3 0.58 12 672 2949 -25.5 -28.6 75 3.1 -25.9 314 12 277.5 277.6 270.6 279.1 0.54 13 500 5030 -40.5 -44.5 65 4.0 -40.7 305 5 283.7 283.7 273.5 284.1 0.15 14 408 6382 -51.1 -55.1 62 4.0 -51.2 209 3 286.9 287.0 275.2 287.1 0.05 15 400 6510 -51.7 -55.8 61 4.1 -51.8 200 3 287.8 287.8 275.6 288.0 0.05 16 375 6928 -54.3 -58.6 59 4.3 -54.4 208 4 289.7 289.7 276.6 289.9 0.04 17 340 7555 -56.5 -60.6 60 4.1 -56.6 220 5 295.0 295.0 279.1 295.1 0.03 18 321 7920 -56.9 -61.1 59 4.2 -56.9 234 6 299.3 299.3 281.1 299.4 0.03 19 300 8350 -56.9 -61.1 59 4.2 -57.0 250 7 305.1 305.1 283.5 305.3 0.03 20 250 9500 -56.7 -61.2 57 4.5 -56.8 255 5 321.8 321.8 289.3 321.9 0.04 21 200 10920 -55.9 -60.9 53 5.0 -56.0 260 11 344.2 344.3 295.4 344.5 0.05 22 163 12215 -56.1 -62.1 47 6.0 -56.3 260 10 364.6 364.7 299.7 364.9 0.06 23 150 12740 -57.5 -63.5 46 6.0 -57.6 260 9 371.0 371.0 300.8 371.2 0.05 24 100 15270 -61.7 -69.7 34 8.0 -61.9 230 19 408.5 408.5 306.3 408.7 0.03 25 70 17460 -65.3 -74.3 28 9.0 -65.5 220 19 444.7 444.7 310.4 444.8 0.02 26 60 18393 -67.3 -77.3 23 10.0 -67.5 220 26 460.3 460.3 311.8 460.4 0.02 27 50 19490 -67.5 -77.5 23 10.0 -67.7 220 35 484.4 484.4 313.8 484.5 0.02 28 31 22371 -68.1 -79.1 19 11.0 -68.4 225 40 553.8 553.8 318.3 553.9 0.02 29 30 22570 -65.3 -76.3 20 11.0 -65.7 225 40 566.6 566.6 319.0 566.9 0.04 30 29 22776 -64.5 -75.5 21 11.0 -65.0 224 43 574.3 574.4 319.4 574.7 0.05 31 25 23676 -67.3 -78.3 20 11.0 -67.7 221 58 591.2 591.2 320.2 591.5 0.03 32 21 24745 -59.5 -71.5 20 12.0 -60.6 216 74 645.0 645.0 322.5 645.9 0.12 33 20 25050 -59.9 -71.9 19 12.0 -61.0 215 79 652.8 652.9 322.8 653.8 0.12 34 17 26058 -62.3 -74.3 19 12.0 -63.3 676.2 676.2 323.7 677.0 0.10 35 16 26436 -57.9 -70.9 17 13.0 -59.5 702.4 702.4 324.6 703.8 0.17 36 14 27273 -59.7 -72.7 17 13.0 -61.2 723.6 723.7 325.2 724.9 0.15 37 13 27741 -55.3 -69.3 16 14.0 -57.8 754.3 754.5 326.1 756.8 0.26 38 11 28804 -55.8 -71.1 13 15.3 -58.6 205 97 789.4 789.5 327.0 791.7 0.24 39 10 29410 -56.1 -72.1 12 16.0 -59.0 810.1 810.3 327.5 812.4 0.23 40 9.9 29474 -56.7 -72.7 12 16.0 -59.5 810.2 810.3 327.5 812.3 0.21 41 9.3 29875 -51.3 -68.3 11 17.0 -55.9 845.4 845.6 328.4 849.8 0.42 42 8.5 30456 -53.7 -70.7 11 17.0 -57.8 858.1 858.2 328.7 861.5 0.33 TRP 340 7555 -56.5 -60.6 60 4.1 -56.6 220 5 295.0 295.0 279.1 295.1 0.03 WND 11 28804 -55.8 -71.1 13 15.3 -58.6 205 97 789.4 789.5 327.0 791.7 0.24 Sounding variables and indices 1000-500 mb thick: 4994.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 72.01 % Est. max temperature: -7.60 C = 18.32 F Sfc-Lift cond lev (LCL): 929.77 mb = 556.94 m = 1827.22 ft T: -20.70 C 700-500 lapse rate: 6.81 C/km Conv cond level (CCL): 989.00 mb = 113.49 m = 372.35 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -26.47 C = -15.65 F Cap Strength: 20.42 C Lifted Index: 23.64 C Risk: None Lifted Index @300 mb: 35.66 C Lifted Index @700 mb: 19.04 C Showalter Index: 12.92 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 18.20 C K Index: -4.10 Risk: None Sweat Index: 11.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 103.58 J/kg Max Up Vert Vel: 14.39 m/s Conv Inhibition (B-): 70061.36 J/kg Cap Strength: 23.61 C Lift Cond Lev (LCL): 893.22 mb = 855.52 m = 2806.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 5 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 ---------------------------------------------------------- 0 989 113 295 1 0.9 -0.4 | 173 4 -0.5 4.3 1 925 595 300 1 0.9 -0.5 | 172 4 -0.6 4.2 2 850 1225 75 3 -2.9 -0.8 | 132 6 -4.3 3.9 3 700 2652 315 13 9.2 -9.2 | 300 9 7.8 -4.5 4 500 5030 305 5 4.1 -2.9 | 236 3 2.7 1.8 5 400 6510 200 3 1.0 2.8 | 177 8 -0.4 7.5 6 340 7555 220 5 3.2 3.8 | 192 9 1.8 8.5 7 300 8350 250 7 6.6 2.4 | 216 9 5.1 7.1 8 250 9500 255 5 4.8 1.3 | 210 7 3.4 6.0 9 200 10920 260 11 10.8 1.9 | 235 11 9.4 6.6 10 150 12740 260 9 8.9 1.6 | 230 10 7.4 6.2 11 100 15270 230 19 14.6 12.2 | 218 21 13.1 16.9 12 70 17460 220 19 12.2 14.6 | 209 22 10.8 19.2 13 50 19490 220 35 22.5 26.8 | 214 38 21.1 31.5 14 30 22570 225 40 28.3 28.3 | 219 43 26.8 33.0 15 20 25050 215 79 45.3 64.7 | 212 82 43.9 69.4 Wind Parameters Mean winds (0-6000m): 313.0 at 6.5 knts Storm direction: 343.0 at 4.9 knts Shear (0-3000m) pos: 0.6 neg: 2.1 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -32.2 tot: -32.1 m^2/s^2 ave: -10.7 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 25.17 Bulk Shear: 4.12 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 ------------------------------------------------------------------------------- 500 298 1 173 4| 0.2 0.0 0.2| 0.0 -0.1 -0.1 -0.1 -0.28| 0.2 -0.1 1000 350 1 160 4| 1.7 0.0 1.7| 0.0 -2.4 -2.4 -2.4 -0.64| 2.0 -1.3 1500 43 2 136 4| 1.1 1.1 2.2| 0.1 -7.7 -7.6 -5.1 -0.70| 3.0 -2.1 2000 17 4 118 3| 0.8 2.0 2.8| 0.1 -15.9 -15.8 -7.9 -0.82| 3.9 -3.2 2500 335 5 261 1| 0.7 2.7 3.4| 0.1 -28.9 -28.8 -11.5 -0.85| 5.0 -4.2 3000 325 6 280 2| 0.6 2.1 2.6| 0.1 -32.2 -32.1 -10.7 -0.84| 4.5 -3.8 4000 319 7 283 3| 0.4 1.2 1.6| 0.1 -35.5 -35.4 -8.9 -0.81| 3.8 -3.1 5000 317 7 278 3| 0.3 0.7 1.0| 0.1 -38.5 -38.4 -7.7 -0.81| 3.4 -2.8 6000 313 7 266 3| 0.3 0.5 0.8| 0.1 -44.6 -44.5 -7.4 -0.80| 3.3 -2.6 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251205.00.gif