UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 4 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 1012 3 -34.1 -37.5 71 3.4 -34.3 180 5 238.2 238.3 238.1 238.6 0.15 1 1010 17 -30.5 -34.5 68 4.0 -30.7 168 5 242.0 242.0 241.8 242.5 0.20 2 1000 87 -29.9 -33.8 69 3.9 -30.2 110 3 243.2 243.3 243.0 243.8 0.22 3 992 144 -29.1 -32.8 70 3.7 -29.3 110 3 244.6 244.6 244.3 245.3 0.24 4 984 203 -25.3 -28.9 72 3.6 -25.6 110 3 249.0 249.1 248.6 250.0 0.36 5 962 368 -21.5 -24.6 76 3.1 -21.9 110 3 254.5 254.5 253.7 255.9 0.54 6 925 657 -21.1 -25.8 66 4.7 -21.7 110 3 257.7 257.8 256.4 259.1 0.50 7 895 901 -20.3 -27.3 54 7.0 -21.1 122 5 261.0 261.1 258.9 262.3 0.45 8 850 1283 -20.7 -31.7 37 11.0 -21.9 140 9 264.5 264.5 261.3 265.4 0.32 9 763 2078 -22.5 -39.5 20 17.0 -23.9 146 10 270.8 270.8 265.6 271.3 0.16 10 700 2707 -24.9 -45.9 12 21.0 -26.3 150 11 274.9 274.9 268.1 275.2 0.09 11 684 2875 -25.3 -47.3 11 22.0 -26.8 150 11 276.3 276.3 269.0 276.5 0.08 12 676 2960 -25.7 -47.7 11 22.0 -27.1 150 11 276.8 276.8 269.3 277.0 0.08 13 576 4105 -32.1 -44.1 29 12.0 -32.9 150 12 282.2 282.3 272.7 282.7 0.13 14 500 5090 -38.9 -50.9 27 12.0 -39.4 150 13 285.6 285.6 274.5 285.9 0.07 15 461 5644 -42.3 -53.3 29 11.0 -42.6 150 13 288.1 288.1 275.7 288.3 0.06 16 400 6590 -49.3 -59.3 30 10.0 -49.5 150 13 290.9 290.9 277.2 291.0 0.03 17 318 8050 -60.7 -69.7 30 9.0 -60.7 154 11 294.8 294.8 279.0 294.9 0.01 18 300 8410 -62.7 -71.7 29 9.0 -62.7 155 11 297.0 297.0 280.0 297.0 0.01 19 258 9329 -66.7 -75.7 27 9.0 -66.7 175 9 304.2 304.2 283.1 304.2 0.01 20 250 9520 -65.9 -74.9 27 9.0 -66.0 170 9 308.1 308.1 284.6 308.1 0.01 21 244 9667 -66.5 -75.5 27 9.0 -66.5 172 9 309.3 309.3 285.1 309.4 0.01 22 220 10300 -61.9 -70.9 29 9.0 -62.0 181 11 325.7 325.7 290.5 325.8 0.01 23 200 10890 -61.7 -69.7 34 8.0 -61.8 190 13 335.1 335.1 293.1 335.1 0.02 24 154 12516 -60.3 -69.3 30 9.0 -60.4 181 11 363.4 363.5 299.4 363.5 0.02 25 150 12680 -61.5 -70.5 29 9.0 -61.6 180 11 364.1 364.1 299.5 364.2 0.02 26 100 15180 -63.3 -74.3 21 11.0 -63.4 170 13 405.4 405.4 305.9 405.5 0.02 27 70 17360 -65.3 -77.3 17 12.0 -65.5 175 19 444.7 444.7 310.4 444.8 0.01 28 67 17627 -66.1 -78.1 17 12.0 -66.2 175 20 448.6 448.6 310.7 448.6 0.01 29 50 19410 -65.9 -78.9 15 13.0 -66.1 175 29 488.2 488.2 314.1 488.3 0.02 30 31 22312 -65.9 -79.9 12 14.0 -66.3 559.7 559.7 318.6 559.9 0.02 TRP 258 9329 -66.7 -75.7 27 9.0 -66.7 175 9 304.2 304.2 283.1 304.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5003.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 32.26 % Est. max temperature: -8.73 C = 16.28 F Sfc-Lift cond lev (LCL): 954.65 mb = 424.39 m = 1392.34 ft T: -21.42 C 700-500 lapse rate: 5.87 C/km ThetaE index: 0.00 C Layer 1012.0- 0.0 mb Conv cond level (CCL): 1010.00 mb = 16.61 m = 54.51 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -26.54 C = -15.77 F Cap Strength: 24.72 C Lifted Index: 26.47 C Risk: None Lifted Index @300 mb: 30.91 C Lifted Index @700 mb: 19.73 C Showalter Index: 16.69 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 7.20 C K Index: -34.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 4.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.86 J/kg Max Up Vert Vel: 11.74 m/s Conv Inhibition (B-): 46304.50 J/kg Cap Strength: 26.27 C Lift Cond Lev (LCL): 907.76 mb = 796.23 m = 2612.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 177 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 1012 3 180 5 0.0 5.0 | 351 3 0.4 -2.6 1 1000 87 110 3 -2.8 1.0 | 20 7 -2.4 -6.6 2 925 657 110 3 -2.8 1.0 | 20 7 -2.4 -6.6 3 850 1283 140 9 -5.8 6.9 | 83 5 -5.4 -0.7 4 700 2707 150 11 -5.5 9.5 | 111 5 -5.1 1.9 5 500 5090 150 13 -6.5 11.3 | 121 7 -6.1 3.7 6 400 6590 150 13 -6.5 11.3 | 121 7 -6.1 3.7 7 300 8410 155 11 -4.6 10.0 | 119 5 -4.2 2.4 8 258 9329 175 9 -0.8 9.0 | 165 1 -0.4 1.4 9 250 9520 170 9 -1.6 8.9 | 138 2 -1.2 1.3 10 200 10890 190 13 2.3 12.8 | 207 6 2.7 5.2 11 150 12680 180 11 0.0 11.0 | 187 3 0.4 3.4 12 100 15180 170 13 -2.3 12.8 | 160 6 -1.9 5.2 13 70 17360 175 19 -1.7 18.9 | 174 11 -1.3 11.3 14 50 19410 175 29 -2.5 28.9 | 174 21 -2.1 21.3 Wind Parameters Mean winds (0-6000m): 146.9 at 10.1 knts Storm direction: 176.9 at 7.6 knts Shear (0-3000m) pos: 1.6 neg: 0.8 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 17.0 neg: 0.0 tot: 17.0 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.24 Bulk Shear: 7.45 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 3 21 7| 0.0 5.0 5.0| 2.4 0.0 2.4 4.7 0.49| 5.2 2.5 1000 118 4 26 6| 1.8 2.5 4.3| 8.3 0.0 8.3 8.3 0.69| 4.4 3.0 1500 130 5 40 6| 2.4 1.7 4.0| 13.6 0.0 13.6 9.1 0.77| 4.2 3.2 2000 135 6 52 5| 2.0 1.3 3.2| 14.9 0.0 14.9 7.5 0.79| 3.4 2.7 2500 139 7 62 5| 1.8 1.0 2.8| 16.3 0.0 16.3 6.5 0.80| 2.9 2.3 3000 142 8 71 5| 1.6 0.8 2.4| 17.0 0.0 17.0 5.7 0.81| 2.5 2.0 4000 144 9 84 5| 1.2 0.6 1.8| 17.8 0.0 17.8 4.5 0.79| 2.0 1.6 5000 146 10 94 5| 0.9 0.5 1.4| 18.6 0.0 18.6 3.7 0.78| 1.7 1.3 6000 147 10 100 5| 0.8 0.4 1.2| 18.6 0.0 18.6 3.1 0.78| 1.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251204.00.gif