UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 7 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 ------------------------------------------------------------------------------- 0 1000 -13 210 25 SFC 998 2 -23.1 -26.2 76 3.1 -23.4 210 25 250.2 250.3 249.8 251.4 0.45 2 953 338 -24.9 -28.5 72 3.6 -25.2 243 32 251.7 251.8 251.0 252.7 0.38 3 937 462 -23.1 -26.7 72 3.6 -23.5 256 34 254.7 254.8 253.8 256.0 0.46 4 925 556 -23.1 -26.5 74 3.4 -23.5 265 36 255.7 255.8 254.7 257.0 0.47 5 891 830 -23.9 -27.1 75 3.2 -24.2 269 30 257.6 257.7 256.2 258.9 0.47 6 873 980 -22.9 -26.5 72 3.6 -23.3 272 27 260.2 260.2 258.3 261.6 0.50 7 850 1175 -23.9 -27.9 70 4.0 -24.4 275 23 261.1 261.2 259.0 262.4 0.45 8 819 1445 -25.7 -29.4 71 3.7 -26.1 277 20 262.0 262.1 259.6 263.2 0.41 9 812 1507 -23.9 -27.7 71 3.8 -24.4 277 19 264.5 264.6 261.7 265.9 0.48 10 784 1763 -24.9 -28.0 75 3.1 -25.2 279 16 266.1 266.2 262.9 267.6 0.49 11 778 1819 -20.9 -23.9 77 3.0 -21.4 280 15 271.0 271.1 266.7 273.1 0.71 12 721 2380 -20.9 -23.1 82 2.2 -21.2 283 8 277.0 277.1 270.8 279.4 0.83 13 700 2598 -22.3 -24.5 82 2.2 -22.7 285 5 277.8 277.9 271.1 280.0 0.75 14 626 3410 -28.1 -30.5 80 2.4 -28.4 260 6 280.2 280.3 272.1 281.7 0.48 15 532 4566 -32.9 -35.8 75 2.9 -33.1 224 8 287.8 287.8 276.1 288.9 0.34 16 500 5000 -35.9 -39.1 72 3.2 -36.1 210 9 289.3 289.3 276.7 290.1 0.26 17 434 5971 -41.1 -44.8 67 3.7 -41.3 210 18 294.6 294.6 279.1 295.2 0.16 18 400 6520 -45.3 -49.4 63 4.1 -45.4 210 23 296.1 296.1 279.8 296.5 0.11 19 320 7972 -56.5 -60.9 58 4.4 -56.6 214 26 300.1 300.1 281.4 300.2 0.03 20 300 8380 -57.9 -62.5 56 4.6 -58.0 215 27 303.7 303.7 282.9 303.8 0.03 21 299 8401 -58.1 -62.7 55 4.6 -58.2 210 27 303.7 303.7 283.0 303.8 0.03 22 270 9044 -56.3 -60.8 57 4.5 -56.4 207 19 315.3 315.4 287.2 315.5 0.04 23 250 9530 -57.5 -62.2 55 4.7 -57.6 205 13 320.6 320.6 289.0 320.7 0.04 24 200 10950 -55.1 -60.1 54 5.0 -55.2 190 17 345.5 345.5 295.7 345.8 0.06 25 150 12790 -55.1 -62.1 42 7.0 -55.3 185 19 375.1 375.2 301.5 375.4 0.06 26 138 13321 -55.3 -63.3 36 8.0 -55.5 184 22 383.8 383.9 302.9 384.1 0.06 27 100 15360 -57.7 -67.7 27 10.0 -58.0 180 36 416.2 416.3 307.3 416.5 0.04 28 90 16025 -57.9 -67.9 27 10.0 -58.2 181 39 428.6 428.6 308.7 428.8 0.05 29 75 17163 -62.1 -73.1 22 11.0 -62.3 184 44 442.7 442.7 310.1 442.9 0.03 30 70 17590 -61.9 -72.9 22 11.0 -62.1 185 46 452.0 452.0 311.1 452.1 0.03 31 52 19428 -62.3 -74.3 19 12.0 -62.6 189 62 491.1 491.1 314.3 491.3 0.03 32 50 19670 -63.7 -75.7 18 12.0 -64.0 190 64 493.4 493.4 314.5 493.5 0.03 33 45 20313 -65.3 -77.3 17 12.0 -65.6 190 67 504.6 504.6 315.3 504.7 0.02 34 34 22026 -63.5 -76.5 16 13.0 -64.0 190 74 551.4 551.4 318.2 551.7 0.03 35 30 22790 -65.5 -78.5 15 13.0 -65.9 190 77 566.1 566.1 319.0 566.3 0.03 36 28 23209 -66.1 -79.1 15 13.0 -66.5 185 81 575.7 575.7 319.5 575.9 0.03 37 25 23895 -67.1 -80.1 14 13.0 -67.5 591.8 591.8 320.2 592.0 0.03 TRP 299 8401 -58.1 -62.7 55 4.6 -58.2 210 27 303.7 303.7 283.0 303.8 0.03 WND 28 23209 -66.1 -79.1 15 13.0 -66.5 185 81 575.7 575.7 319.5 575.9 0.03 Sounding variables and indices 1000-500 mb thick: 5013.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 76.46 % Est. max temperature: -12.13 C = 10.16 F Sfc-Lift cond lev (LCL): 947.85 mb = 377.72 m = 1239.21 ft T: -24.32 C 700-500 lapse rate: 5.66 C/km ThetaE index: 0.00 C Layer 998.0-190232055819272192.0 mb Conv cond level (CCL): 528.12 mb = 4617.26 m = 15148.30 ft Mean mixing ratio: 0.44 g/kg Conv temperature: 14.64 C = 58.35 F Cap Strength: 27.78 C Lifted Index: 28.47 C Risk: None Lifted Index @300 mb: 34.83 C Lifted Index @700 mb: 21.27 C Showalter Index: 22.12 C Risk: None Total Totals Index: 20.00 C Risk: None Vertical Totals Index: 12.00 C Cross Totals Index: 8.00 C K Index: -18.10 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 5.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.79 J/kg Max Up Vert Vel: 8.10 m/s Conv Inhibition (B-): 51037.49 J/kg Cap Strength: 28.37 C Lift Cond Lev (LCL): 894.98 mb = 797.45 m = 2616.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 11 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 ---------------------------------------------------------- 0 998 2 210 25 12.5 21.7 | 185 24 2.0 23.5 1 925 556 265 36 35.9 3.1 | 259 26 25.4 5.0 2 850 1175 275 23 22.9 -2.0 | 271 12 12.4 -0.1 3 700 2598 285 5 4.8 -1.3 | 96 6 -5.6 0.6 4 500 5000 210 9 4.5 7.8 | 148 11 -6.0 9.7 5 400 6520 210 23 11.5 19.9 | 183 22 1.0 21.8 6 300 8380 215 27 15.5 22.1 | 192 25 5.0 24.0 7 299 8401 210 27 13.5 23.4 | 187 25 3.0 25.3 8 250 9530 205 13 5.5 11.8 | 160 15 -5.0 13.7 9 200 10950 190 17 3.0 16.7 | 158 20 -7.5 18.6 10 150 12790 185 19 1.7 18.9 | 157 23 -8.8 20.8 11 100 15360 180 36 0.0 36.0 | 165 39 -10.5 37.9 12 70 17590 185 46 4.0 45.8 | 172 48 -6.5 47.7 13 50 19670 190 64 11.1 63.0 | 181 65 0.6 64.9 14 30 22790 190 77 13.4 75.8 | 182 78 2.9 77.7 Wind Parameters Mean winds (0-6000m): 250.2 at 14.2 knts Storm direction: 280.2 at 10.6 knts Shear (0-3000m) pos: 4.1 neg: 0.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -75.9 deg Storm rel helicity (0-3000m) pos: 221.8 neg: 0.0 tot: 221.8 m^2/s^2 ave: 73.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 6.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.95 Bulk Shear: 34.64 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 ------------------------------------------------------------------------------- 500 240 30 222 23| 27.5 0.0 27.5|174.6 0.0 174.6 349.2 1.00| 28.6 28.5 1000 255 31 243 22| 13.7 0.0 13.7|213.5 0.0 213.5 213.5 0.84| 20.9 17.5 1500 260 28 249 18| 8.5 0.0 8.5|218.4 0.0 218.4 145.6 0.73| 16.7 12.2 2000 263 25 251 15| 6.2 0.0 6.2|219.4 0.0 219.4 109.7 0.66| 14.2 9.3 2500 264 22 250 12| 5.0 0.0 5.0|219.9 0.0 219.9 88.0 0.63| 12.7 8.0 3000 265 19 248 9| 4.1 0.2 4.4|221.8 0.0 221.8 73.9 0.63| 11.0 6.9 4000 264 16 237 7| 3.1 0.7 3.8|226.5 0.0 226.5 56.6 0.64| 8.8 5.6 5000 258 14 217 6| 2.5 1.0 3.5|228.1 -0.3 227.7 45.5 0.61| 7.5 4.5 6000 250 14 203 7| 2.1 1.5 3.6|252.5 -0.3 252.1 42.0 0.62| 7.1 4.4 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251207.00.gif