UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 21 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 1015 6 -13.5 -17.2 74 3.7 -14.2 200 1 258.5 258.7 258.1 261.2 0.98 1 1000 120 -11.3 -14.4 78 3.1 -12.0 265 7 261.9 262.0 261.2 265.2 1.25 2 989 205 -9.3 -12.2 79 2.9 -10.0 281 8 264.7 264.9 263.8 268.8 1.51 3 958 451 -9.9 -12.0 85 2.1 -10.4 328 13 266.5 266.8 265.2 270.8 1.59 4 925 724 -6.1 -11.1 68 5.0 -7.5 20 17 273.1 273.4 269.9 278.0 1.77 5 893 1000 -2.9 -7.5 71 4.6 -4.5 41 11 279.1 279.6 274.6 286.0 2.43 6 850 1388 -5.3 -11.3 63 6.0 -7.1 70 3 280.6 280.9 274.6 286.0 1.89 7 803 1832 -8.5 -12.8 71 4.3 -9.8 102 4 281.8 282.1 275.0 286.9 1.78 8 721 2661 -12.9 -23.9 39 11.0 -15.1 163 6 285.8 285.9 275.7 288.1 0.77 9 700 2886 -14.5 -21.5 55 7.0 -16.0 180 7 286.4 286.6 276.3 289.4 0.98 10 688 3017 -15.5 -20.5 65 5.0 -16.6 181 8 286.7 286.9 276.7 290.0 1.09 11 653 3409 -17.1 -20.8 73 3.7 -17.9 183 11 289.2 289.4 278.0 292.7 1.12 12 628 3701 -16.9 -19.9 77 3.0 -17.6 185 13 292.7 292.9 279.8 296.6 1.25 13 592 4144 -16.9 -22.9 60 6.0 -18.2 187 16 297.7 297.9 281.7 301.0 1.02 14 523 5062 -22.9 -42.9 14 20.0 -25.0 193 23 301.2 301.2 282.1 301.8 0.17 15 500 5390 -24.5 -35.5 35 11.0 -25.9 195 25 303.2 303.2 283.2 304.4 0.37 16 473 5793 -27.7 -33.7 57 6.0 -28.5 195 27 304.1 304.1 283.7 305.6 0.47 17 447 6198 -30.5 -35.5 62 5.0 -31.1 195 30 305.5 305.6 284.1 306.9 0.42 18 400 6980 -36.9 -41.7 61 4.8 -37.2 195 35 307.0 307.1 284.5 307.9 0.25 19 300 8900 -52.7 -57.4 57 4.7 -52.8 210 44 311.1 311.1 285.8 311.3 0.05 20 253 9985 -61.5 -66.2 53 4.7 -61.6 215 44 313.6 313.6 286.6 313.6 0.02 21 250 10060 -60.9 -65.5 54 4.6 -61.0 210 44 315.5 315.5 287.3 315.6 0.02 22 234 10475 -55.1 -59.9 55 4.8 -55.2 206 41 330.3 330.3 291.9 330.5 0.05 23 224 10752 -55.5 -60.3 55 4.8 -55.6 203 39 333.9 333.9 292.8 334.1 0.05 24 222 10809 -55.5 -60.4 54 4.9 -55.6 202 38 334.7 334.7 293.0 334.9 0.05 25 208 11226 -51.1 -57.1 49 6.0 -51.3 198 35 347.9 347.9 296.3 348.3 0.08 26 200 11480 -51.9 -57.9 48 6.0 -52.1 195 33 350.6 350.6 296.8 350.9 0.08 27 150 13350 -49.7 -61.7 23 12.0 -50.2 220 21 384.4 384.4 303.0 384.7 0.06 28 146 13527 -50.1 -63.1 20 13.0 -50.6 219 21 386.7 386.7 303.3 387.0 0.05 29 70 18320 -51.7 -72.7 6 21.0 -52.7 205 11 473.8 473.8 313.0 474.0 0.03 30 50 20510 -51.5 -74.5 5 23.0 -52.9 235 7 522.1 522.1 316.5 522.3 0.03 31 43 21489 -51.7 -74.7 5 23.0 -53.3 238 6 544.6 544.6 317.8 544.9 0.04 32 30 23840 -48.7 -73.7 4 25.0 -51.5 245 5 611.9 611.9 321.2 612.3 0.06 33 24 25304 -51.1 -75.1 4 24.0 -53.8 281 7 645.2 645.2 322.5 645.7 0.06 34 20 26500 -48.5 -73.5 4 25.0 -52.3 310 9 687.7 687.8 324.0 688.5 0.09 35 15 28390 -47.1 -73.1 4 26.0 -52.2 262 11 751.4 751.4 326.0 752.6 0.13 36 11 30431 -48.3 -73.3 4 25.0 -53.9 211 12 816.7 816.8 327.7 818.4 0.17 37 10 31060 -46.1 -72.1 4 26.0 -53.0 195 13 847.5 847.6 328.4 849.8 0.23 38 9.4 31473 -44.1 -70.1 4 26.0 -52.1 870.2 870.4 328.9 873.7 0.32 TRP 253 9985 -61.5 -66.2 53 4.7 -61.6 215 44 313.6 313.6 286.6 313.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5270.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 58.58 % Est. max temperature: 8.13 C = 46.63 F Sfc-Lift cond lev (LCL): 955.85 mb = 468.93 m = 1538.47 ft T: -9.66 C 700-500 lapse rate: 3.99 C/km ThetaE index: 0.00 C Layer 1015.0- 0.0 mb Conv cond level (CCL): 656.28 mb = 3371.10 m = 11059.91 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 17.08 C = 62.75 F Cap Strength: 25.27 C Lifted Index: 26.52 C Risk: None Lifted Index @300 mb: 28.32 C Lifted Index @700 mb: 15.07 C Showalter Index: 14.74 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 13.20 C K Index: 0.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.65 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 72309.97 J/kg Cap Strength: 26.21 C Lift Cond Lev (LCL): 915.62 mb = 804.00 m = 2637.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 220 at 10 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 1015 6 200 1 0.3 0.9 | 42 9 -5.9 -6.7 1 1000 120 265 7 7.0 0.6 | 354 7 0.7 -7.0 2 925 724 20 17 -5.8 -16.0 | 27 26 -12.1 -23.6 3 850 1388 70 3 -2.8 -1.0 | 47 13 -9.1 -8.6 4 700 2886 180 7 0.0 7.0 | 85 6 -6.3 -0.6 5 500 5390 195 25 6.5 24.1 | 181 17 0.2 16.5 6 400 6980 195 35 9.1 33.8 | 186 26 2.8 26.2 7 300 8900 210 44 22.0 38.1 | 207 34 15.7 30.5 8 253 9985 215 44 25.2 36.0 | 214 34 19.0 28.4 9 250 10060 210 44 22.0 38.1 | 207 34 15.7 30.5 10 200 11480 195 33 8.5 31.9 | 185 24 2.3 24.3 11 150 13350 220 21 13.5 16.1 | 220 11 7.2 8.5 12 70 18320 205 11 4.6 10.0 | 145 3 -1.6 2.4 13 50 20510 235 7 5.7 4.0 | 9 4 -0.5 -3.6 14 30 23840 245 5 4.5 2.1 | 18 6 -1.7 -5.5 15 20 26500 310 9 6.9 -5.8 | 357 13 0.6 -13.4 16 10 31060 195 13 3.4 12.6 | 150 6 -2.9 5.0 Wind Parameters Mean winds (0-6000m): 189.5 at 13.1 knts Storm direction: 219.5 at 9.9 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 50.7 deg Storm rel helicity (0-3000m) pos: 146.7 neg: -13.5 tot: 133.2 m^2/s^2 ave: 44.4 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 3.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.08 Bulk Shear: 47.97 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 ------------------------------------------------------------------------------- 500 309 9 358 13| 14.6 0.0 14.6| 20.0 -13.1 6.8 13.7 -0.12| 22.3 -2.7 1000 7 12 22 21| 6.2 0.0 6.2|113.7 -13.1 100.6 100.6 0.31| 20.9 6.4 1500 13 10 26 19| 1.3 0.0 1.3|126.2 -13.5 112.7 75.1 0.30| 17.1 5.2 2000 23 8 32 18| 1.2 0.0 1.2|135.2 -13.5 121.7 60.9 0.34| 13.6 4.6 2500 33 8 37 18| 1.1 0.0 1.1|142.7 -13.5 129.2 51.7 0.36| 11.6 4.2 3000 41 8 40 17| 1.2 0.0 1.2|146.7 -13.5 133.2 44.4 0.37| 10.4 3.9 4000 152 8 89 10| 1.8 0.0 1.8|158.9 -13.5 145.4 36.4 0.43| 8.7 3.8 5000 182 11 117 7| 2.2 0.0 2.2|173.6 -13.5 160.1 32.0 0.45| 7.7 3.5 6000 190 13 143 7| 2.1 0.3 2.4|184.6 -13.5 171.1 28.5 0.45| 7.0 3.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250421.12.gif