UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 5 DEC 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1011 4 -30.1 -35.1 62 5.0 -30.4 240 5 242.3 242.3 242.1 242.8 0.19 1 1005 47 -25.7 -29.9 68 4.2 -26.1 210 4 247.1 247.1 246.8 248.0 0.32 2 1000 83 -25.7 -29.8 68 4.1 -26.1 185 3 247.4 247.5 247.1 248.3 0.32 3 964 349 -24.7 -28.0 74 3.3 -25.0 133 11 251.1 251.1 250.5 252.1 0.40 4 931 602 -26.1 -28.6 79 2.5 -26.3 84 20 252.2 252.2 251.4 253.2 0.39 5 925 649 -25.3 -27.8 80 2.5 -25.5 75 21 253.4 253.5 252.6 254.6 0.42 6 905 809 -21.3 -23.5 82 2.2 -21.6 79 22 259.1 259.2 257.8 260.9 0.63 7 864 1153 -18.5 -19.8 89 1.3 -18.7 87 23 265.5 265.7 263.3 268.1 0.92 8 859 1196 -18.1 -19.6 88 1.5 -18.4 88 23 266.4 266.5 263.9 269.0 0.94 9 850 1275 -18.1 -19.9 86 1.8 -18.4 90 23 267.2 267.3 264.5 269.8 0.93 10 782 1898 -17.5 -23.5 59 6.0 -18.5 92 24 274.3 274.4 269.0 276.4 0.73 11 746 2249 -20.1 -34.1 28 14.0 -21.7 93 24 275.2 275.2 268.7 276.1 0.29 12 700 2717 -23.7 -40.7 19 17.0 -25.1 95 25 276.2 276.3 269.1 276.7 0.16 13 666 3079 -25.5 -43.5 17 18.0 -26.8 99 25 278.2 278.2 270.3 278.6 0.12 14 588 3971 -31.5 -37.5 55 6.0 -32.0 108 24 281.3 281.3 272.3 282.1 0.26 15 525 4763 -37.5 -42.3 61 4.8 -37.8 116 23 283.3 283.4 273.4 283.9 0.18 16 503 5059 -37.1 -41.7 62 4.6 -37.4 120 23 287.3 287.3 275.6 288.0 0.20 17 500 5100 -37.1 -41.7 62 4.6 -37.4 120 23 287.8 287.8 275.9 288.5 0.20 18 448 5854 -41.9 -45.8 66 3.9 -42.1 127 30 290.9 291.0 277.4 291.4 0.14 19 400 6620 -44.7 -48.7 64 4.0 -44.9 135 38 296.9 296.9 280.1 297.3 0.11 20 399 6637 -44.7 -48.7 64 4.0 -44.9 135 38 297.1 297.1 280.2 297.5 0.11 21 314 8200 -54.5 -58.5 61 4.0 -54.6 160 63 304.5 304.5 283.2 304.7 0.05 22 300 8490 -56.7 -60.5 62 3.8 -56.8 165 68 305.4 305.4 283.6 305.6 0.04 23 297 8553 -57.3 -61.1 62 3.8 -57.3 165 69 305.5 305.5 283.7 305.7 0.03 24 283 8855 -59.9 -63.9 59 4.0 -59.9 170 68 306.0 306.0 283.8 306.1 0.03 25 282 8877 -59.9 -63.9 59 4.0 -59.9 170 68 306.3 306.3 284.0 306.4 0.03 26 276 9012 -58.5 -62.6 59 4.1 -58.6 169 67 310.2 310.2 285.4 310.3 0.03 27 250 9630 -59.1 -63.1 60 4.0 -59.2 165 62 318.2 318.2 288.2 318.3 0.03 28 200 11030 -61.3 -65.3 59 4.0 -61.3 160 54 335.7 335.7 293.3 335.8 0.03 29 150 12820 -61.1 -66.1 51 5.0 -61.2 170 46 364.8 364.8 299.7 365.0 0.04 30 100 15340 -62.7 -69.7 38 7.0 -62.9 175 36 406.6 406.6 306.1 406.7 0.03 31 70 17520 -65.9 -73.9 32 8.0 -66.0 180 40 443.4 443.4 310.2 443.5 0.02 32 50 19550 -68.3 -76.3 31 8.0 -68.4 185 46 482.5 482.5 313.7 482.7 0.02 33 48 19795 -68.1 -76.1 31 8.0 -68.2 488.7 488.7 314.1 488.8 0.03 TRP 283 8855 -59.9 -63.9 59 4.0 -59.9 170 68 306.0 306.0 283.8 306.1 0.03 WND 297 8553 -57.3 -61.1 62 3.8 -57.3 165 69 305.5 305.5 283.7 305.7 0.03 Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 54.40 % Est. max temperature: -6.28 C = 20.70 F Sfc-Lift cond lev (LCL): 928.65 mb = 620.49 m = 2035.69 ft T: -25.79 C 700-500 lapse rate: 5.62 C/km ThetaE index: 0.38 C Layer 746.0- 700.0 mb Conv cond level (CCL): 561.05 mb = 4299.07 m = 14104.40 ft Mean mixing ratio: 0.38 g/kg Conv temperature: 9.89 C = 49.80 F Cap Strength: 29.15 C Lifted Index: 29.50 C Risk: None Lifted Index @300 mb: 37.97 C Lifted Index @700 mb: 22.25 C Showalter Index: 14.94 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 17.20 C K Index: -17.90 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.85 J/kg Max Up Vert Vel: 7.98 m/s Conv Inhibition (B-): 41763.80 J/kg Cap Strength: 29.33 C Lift Cond Lev (LCL): 911.33 mb = 757.97 m = 2486.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 133 at 17 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 1011 4 240 5 4.3 2.5 | 299 19 16.8 -9.3 1 1000 83 185 3 0.3 3.0 | 305 16 12.7 -8.8 2 925 649 75 21 -20.3 -5.4 | 24 19 -7.8 -17.3 3 850 1275 90 23 -23.0 0.0 | 42 16 -10.5 -11.8 4 700 2717 95 25 -24.9 2.2 | 52 16 -12.4 -9.7 5 500 5100 120 23 -19.9 11.5 | 87 7 -7.4 -0.3 6 400 6620 135 38 -26.9 26.9 | 136 21 -14.4 15.0 7 300 8490 165 68 -17.6 65.7 | 175 54 -5.1 53.9 8 297 8553 165 69 -17.9 66.6 | 174 55 -5.4 54.8 9 283 8855 170 68 -11.8 67.0 | 181 55 0.7 55.1 10 250 9630 165 62 -16.0 59.9 | 176 48 -3.6 48.1 11 200 11030 160 54 -18.5 50.7 | 171 39 -6.0 38.9 12 150 12820 170 46 -8.0 45.3 | 188 34 4.5 33.5 13 100 15340 175 36 -3.1 35.9 | 201 26 9.3 24.0 14 70 17520 180 40 0.0 40.0 | 204 31 12.5 28.2 15 50 19550 185 46 4.0 45.8 | 206 38 16.5 34.0 Wind Parameters Mean winds (0-6000m): 103.5 at 22.9 knts Storm direction: 133.5 at 17.2 knts Shear (0-3000m) pos: 1.1 neg: 4.6 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 116.1 deg Storm rel helicity (0-3000m) pos: 60.0 neg: -5.7 tot: 54.4 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.13 Bulk Shear: 28.09 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 ------------------------------------------------------------------------------- 500 118 9 329 9| 0.0 20.9 20.9| 20.8 -4.5 16.3 32.6 0.42| 24.3 10.2 1000 82 15 8 14| 0.0 13.8 13.8| 34.6 -5.7 29.0 29.0 0.35| 18.7 6.6 1500 85 17 20 14| 1.1 9.2 10.3| 46.7 -5.7 41.0 27.3 0.39| 13.6 5.3 2000 87 19 26 14| 1.0 6.9 7.9| 50.8 -5.7 45.2 22.6 0.41| 10.4 4.3 2500 89 20 31 14| 1.0 5.5 6.6| 55.0 -5.7 49.4 19.7 0.42| 8.5 3.6 3000 90 21 35 14| 1.1 4.6 5.7| 60.0 -5.7 54.4 18.1 0.43| 7.4 3.2 4000 94 22 41 14| 1.3 3.4 4.7| 69.3 -5.7 63.7 15.9 0.45| 6.1 2.8 5000 98 22 47 13| 1.4 2.8 4.2| 76.4 -5.7 70.7 14.1 0.47| 5.4 2.5 6000 103 23 57 12| 1.9 2.3 4.2| 95.4 -5.7 89.8 15.0 0.50| 5.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251205.12.gif