UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 30 APR 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 1019 1 -13.7 -17.4 74 3.7 -14.4 120 3 258.1 258.2 257.6 260.6 0.96 1 1000 144 -15.3 -19.3 71 4.0 -16.0 175 1 257.9 258.0 257.2 260.1 0.83 2 983 274 -16.1 -19.8 73 3.7 -16.7 171 4 258.3 258.4 257.5 260.5 0.81 3 975 336 -12.5 -16.3 73 3.8 -13.3 169 6 262.5 262.7 261.4 265.5 1.10 4 962 439 -9.9 -13.7 74 3.8 -10.8 165 8 266.2 266.4 264.6 270.0 1.38 5 957 479 -9.9 -13.8 73 3.9 -10.8 164 9 266.6 266.8 264.9 270.4 1.37 6 925 743 -7.5 -15.5 53 8.0 -9.5 155 15 271.6 271.8 268.1 275.1 1.23 7 900 956 -6.5 -17.5 41 11.0 -9.2 158 11 274.8 275.0 269.8 277.9 1.07 8 850 1402 -6.7 -22.7 27 16.0 -10.2 165 3 279.1 279.3 271.9 281.3 0.73 9 831 1578 -7.3 -28.3 17 21.0 -11.2 180 3 280.3 280.4 272.1 281.7 0.45 10 829 1597 -7.5 -28.5 17 21.0 -11.4 181 3 280.3 280.4 272.1 281.6 0.44 11 700 2896 -14.1 -34.1 17 20.0 -17.0 290 1 286.9 286.9 275.5 287.9 0.30 12 637 3605 -17.7 -38.7 14 21.0 -20.3 301 2 290.6 290.7 277.3 291.3 0.21 13 500 5370 -30.1 -43.1 27 13.0 -31.2 330 3 296.3 296.4 280.0 296.9 0.17 14 456 6019 -35.3 -47.3 28 12.0 -36.0 328 3 297.7 297.8 280.5 298.2 0.12 15 400 6920 -41.7 -54.7 23 13.0 -42.2 325 3 300.8 300.8 281.8 301.0 0.06 16 355 7719 -46.5 -59.5 21 13.0 -46.8 328 4 304.8 304.8 283.4 304.9 0.04 17 327 8262 -47.9 -61.9 18 14.0 -48.2 330 5 310.1 310.1 285.4 310.2 0.03 18 300 8830 -48.1 -62.1 18 14.0 -48.4 345 9 317.6 317.6 288.0 317.7 0.03 19 292 9009 -48.7 -63.7 16 15.0 -49.0 346 10 319.2 319.2 288.5 319.3 0.02 20 282 9240 -47.5 -62.5 16 15.0 -47.9 348 10 324.1 324.1 290.0 324.2 0.03 21 250 10040 -47.7 -65.7 11 18.0 -48.1 355 13 335.2 335.2 293.1 335.2 0.02 22 200 11510 -47.9 -68.9 7 21.0 -48.5 15 15 356.9 356.9 298.1 357.0 0.02 23 150 13400 -49.1 -73.1 4 24.0 -49.8 10 15 385.5 385.5 303.1 385.5 0.01 24 100 16050 -50.9 -74.9 4 24.0 -51.7 25 11 429.4 429.4 308.8 429.5 0.01 25 92 16589 -52.3 -76.3 4 24.0 -53.1 31 10 437.0 437.0 309.6 437.0 0.01 26 78 17661 -49.1 -74.1 4 25.0 -50.3 42 8 464.7 464.7 312.2 464.9 0.02 27 70 18370 -48.9 -73.9 4 25.0 -50.3 50 7 479.8 479.8 313.4 479.9 0.02 28 50 20580 -49.1 -74.1 4 25.0 -50.9 70 9 527.8 527.8 316.8 528.0 0.03 29 30 23930 -48.9 -73.9 4 25.0 -51.7 110 9 611.3 611.4 321.2 611.8 0.06 30 24 25387 -50.3 -75.3 4 25.0 -53.2 104 12 647.5 647.6 322.6 648.0 0.06 31 20 26580 -48.3 -73.3 4 25.0 -52.2 100 15 688.3 688.4 324.1 689.1 0.09 32 17 27654 -46.7 -72.7 4 26.0 -51.6 726.2 726.3 325.3 727.3 0.12 33 12 29958 -47.9 -73.9 3 26.0 -53.4 798.0 798.1 327.3 799.4 0.14 34 10 31172 -43.9 -69.9 4 26.0 -51.8 855.7 855.8 328.6 859.0 0.31 TRP 327 8262 -47.9 -61.9 18 14.0 -48.2 330 5 310.1 310.1 285.4 310.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5226.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 27.74 % Est. max temperature: 5.80 C = 42.43 F Sfc-Lift cond lev (LCL): 959.58 mb = 458.26 m = 1503.46 ft T: -9.90 C 700-500 lapse rate: 6.47 C/km ThetaE index: 0.54 C Layer 1000.0- 983.0 mb Conv cond level (CCL): 984.06 mb = 265.39 m = 870.71 ft Mean mixing ratio: 1.11 g/kg Conv temperature: -13.47 C = 7.75 F Cap Strength: 21.27 C Lifted Index: 24.14 C Risk: None Lifted Index @300 mb: 35.79 C Lifted Index @700 mb: 18.81 C Showalter Index: 12.77 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 7.40 C K Index: -19.30 Risk: None Sweat Index: 9.00 Risk: None Energy Index: 3.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.08 J/kg Max Up Vert Vel: 11.84 m/s Conv Inhibition (B-): 71358.73 J/kg Cap Strength: 23.99 C Lift Cond Lev (LCL): 898.07 mb = 973.04 m = 3192.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 3 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 1019 1 120 3 -2.6 1.5 | 79 4 -3.8 -0.8 1 1000 144 175 1 -0.1 1.0 | 46 2 -1.3 -1.3 2 925 743 155 15 -6.3 13.6 | 146 14 -7.6 11.3 3 850 1402 165 3 -0.8 2.9 | 108 2 -2.0 0.6 4 700 2896 290 1 0.9 -0.3 | 7 3 -0.3 -2.6 5 500 5370 330 3 1.5 -2.6 | 357 5 0.3 -4.9 6 400 6920 325 3 1.7 -2.5 | 354 5 0.5 -4.7 7 327 8262 330 5 2.5 -4.3 | 349 7 1.3 -6.6 8 300 8830 345 9 2.3 -8.7 | 354 11 1.1 -11.0 9 250 10040 355 13 1.1 -13.0 | 0 15 -0.1 -15.2 10 200 11510 15 15 -3.9 -14.5 | 17 18 -5.1 -16.7 11 150 13400 10 15 -2.6 -14.8 | 13 17 -3.8 -17.0 12 100 16050 25 11 -4.6 -10.0 | 26 14 -5.9 -12.2 13 70 18370 50 7 -5.4 -4.5 | 44 9 -6.6 -6.8 14 50 20580 70 9 -8.5 -3.1 | 61 11 -9.7 -5.3 15 30 23930 110 9 -8.5 3.1 | 95 10 -9.7 0.8 16 20 26580 100 15 -14.8 2.6 | 91 16 -16.0 0.3 Wind Parameters Mean winds (0-6000m): 178.7 at 3.4 knts Storm direction: 208.7 at 2.6 knts Shear (0-3000m) pos: 0.9 neg: 0.2 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): -73.9 deg Storm rel helicity (0-3000m) pos: 2.8 neg: -5.0 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 246.88 Bulk Shear: 0.28 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 ------------------------------------------------------------------------------- 500 160 4 123 3| 7.7 0.0 7.7| 2.3 -0.4 1.9 3.7 0.29| 10.4 3.0 1000 156 8 139 7| 3.8 0.6 4.4| 2.3 -2.3 0.1 0.1 0.12| 9.7 1.2 1500 156 8 137 6| 1.1 0.4 1.5| 2.4 -4.9 -2.5 -1.7 -0.00| 9.1 -0.0 2000 159 6 136 5| 1.2 0.3 1.6| 2.4 -5.0 -2.6 -1.3 -0.03| 7.4 -0.2 2500 161 5 133 4| 1.1 0.2 1.3| 2.5 -5.0 -2.5 -1.0 -0.03| 6.2 -0.2 3000 160 5 128 4| 0.9 0.2 1.1| 2.8 -5.0 -2.2 -0.7 -0.01| 5.3 -0.0 4000 165 4 124 3| 0.8 0.2 0.9| 2.8 -5.4 -2.6 -0.6 -0.02| 4.1 -0.1 5000 170 4 124 2| 0.7 0.1 0.8| 2.9 -5.5 -2.6 -0.5 -0.02| 3.4 -0.1 6000 179 3 132 2| 0.6 0.1 0.7| 3.0 -5.6 -2.5 -0.4 -0.02| 2.9 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250430.00.gif