UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 12 OCT 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1018 90 3.4 -7.6 44 11.0 -0.4 125 11 275.1 275.5 271.8 281.1 2.12 1 1000 234 2.0 -9.0 44 11.0 -1.7 125 15 275.1 275.5 271.5 280.6 1.93 2 925 855 -3.9 -11.9 54 8.0 -6.2 135 19 275.3 275.6 271.1 280.0 1.66 3 878 1264 -7.9 -12.9 67 5.0 -9.3 147 20 275.3 275.6 271.1 279.9 1.61 4 870 1335 -8.3 -13.3 67 5.0 -9.6 149 20 275.6 275.9 271.2 280.1 1.57 5 865 1379 -8.3 -14.3 62 6.0 -9.9 151 21 276.1 276.3 271.3 280.2 1.46 6 850 1516 -5.5 -13.5 53 8.0 -7.8 155 21 280.4 280.7 274.0 285.0 1.58 7 838 1627 -4.5 -16.5 39 12.0 -7.8 156 21 282.6 282.8 274.7 286.3 1.25 8 792 2070 -5.7 -33.7 9 28.0 -10.6 160 22 285.9 285.9 275.0 286.8 0.28 9 757 2423 -6.9 -29.9 14 23.0 -11.3 164 23 288.3 288.4 276.5 289.7 0.42 10 700 3028 -10.7 -31.7 16 21.0 -14.4 170 25 290.6 290.7 277.6 291.9 0.38 11 544 4931 -20.3 -44.3 10 24.0 -22.9 177 16 300.9 301.0 282.0 301.4 0.14 12 500 5550 -24.9 -46.9 11 22.0 -26.8 180 13 302.7 302.7 282.6 303.1 0.11 13 400 7130 -36.3 -57.3 10 21.0 -37.2 190 7 307.8 307.8 284.5 308.0 0.04 14 325 8535 -47.3 -62.3 16 15.0 -47.6 262 4 311.5 311.5 285.9 311.6 0.03 15 300 9060 -50.1 -64.1 18 14.0 -50.4 290 3 314.7 314.7 287.0 314.8 0.02 16 250 10240 -54.7 -68.7 16 14.0 -54.9 195 5 324.7 324.7 290.2 324.8 0.01 17 247 10317 -55.1 -69.1 16 14.0 -55.3 195 5 325.3 325.3 290.4 325.3 0.01 18 224 10937 -55.5 -69.5 16 14.0 -55.7 234 3 333.9 333.9 292.8 333.9 0.01 19 200 11660 -53.3 -67.3 17 14.0 -53.6 280 1 348.4 348.4 296.3 348.5 0.02 20 191 11958 -52.1 -67.1 15 15.0 -52.4 289 2 354.9 354.9 297.7 355.0 0.02 21 150 13520 -53.9 -70.9 11 17.0 -54.3 335 7 377.2 377.2 301.8 377.3 0.02 22 109 15547 -58.3 -78.3 6 20.0 -58.6 331 9 405.0 405.0 305.9 405.0 0.01 23 100 16090 -56.9 -75.9 7 19.0 -57.3 330 9 417.8 417.8 307.4 417.9 0.01 24 84 17197 -55.9 -75.9 6 20.0 -56.5 323 8 441.2 441.2 310.0 441.3 0.02 25 70 18350 -58.5 -77.5 7 19.0 -59.0 315 7 459.2 459.2 311.7 459.3 0.01 26 50 20450 -60.1 -82.1 4 22.0 -60.7 320 11 501.9 501.9 315.1 501.9 0.01 27 43 21386 -62.3 -82.3 5 20.0 -62.8 323 11 518.6 518.6 316.2 518.6 0.01 28 30 23620 -59.9 -81.9 4 22.0 -60.8 330 11 581.3 581.3 319.8 581.5 0.02 29 23 25282 -60.3 -83.3 3 23.0 -61.4 626.1 626.1 321.7 626.2 0.02 30 20 26160 -57.7 -79.7 4 22.0 -59.3 659.6 659.6 323.0 659.8 0.03 31 19 26484 -56.9 -79.9 4 23.0 -58.7 671.8 671.8 323.5 672.1 0.04 TRP 247 10317 -55.1 -69.1 16 14.0 -55.3 195 5 325.3 325.3 290.4 325.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5316.00 m Freezing level: 974.58 mb = 444.51 m = 1458.34 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 24.70 % Est. max temperature: 4.05 C = 39.30 F Sfc-Lift cond lev (LCL): 857.95 mb = 1443.30 m = 4735.18 ft T: -6.99 C 700-500 lapse rate: 5.63 C/km ThetaE index: 1.19 C Layer 1000.0- 870.0 mb Conv cond level (CCL): 612.25 mb = 4038.92 m = 13250.89 ft Mean mixing ratio: 1.82 g/kg Conv temperature: 24.48 C = 76.06 F Cap Strength: 18.00 C Lifted Index: 18.73 C Risk: None Lifted Index @300 mb: 24.35 C Lifted Index @700 mb: 11.69 C Showalter Index: 15.16 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 11.40 C K Index: -15.10 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.41 J/kg Max Up Vert Vel: 0.91 m/s Conv Inhibition (B-): 55372.18 J/kg Cap Strength: 18.72 C Lift Cond Lev (LCL): 831.50 mb = 1688.54 m = 5539.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 193 at 14 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 1018 90 125 11 -9.0 6.3 | 58 15 -12.3 -7.7 1 1000 234 125 15 -12.3 8.6 | 71 16 -15.6 -5.4 2 925 855 135 19 -13.4 13.4 | 88 17 -16.7 -0.5 3 850 1516 155 21 -8.9 19.0 | 113 13 -12.2 5.1 4 700 3028 170 25 -4.3 24.6 | 144 13 -7.6 10.7 5 500 5550 180 13 0.0 13.0 | 74 3 -3.3 -1.0 6 400 7130 190 7 1.2 6.9 | 16 7 -2.1 -7.1 7 300 9060 290 3 2.8 -1.0 | 2 15 -0.5 -15.0 8 250 10240 195 5 1.3 4.8 | 12 9 -2.0 -9.1 9 247 10317 195 5 1.3 4.8 | 12 9 -2.0 -9.1 10 200 11660 280 1 1.0 -0.2 | 9 14 -2.3 -14.1 11 150 13520 335 7 3.0 -6.3 | 1 20 -0.3 -20.3 12 100 16090 330 9 4.5 -7.8 | 357 22 1.2 -21.8 13 70 18350 315 7 4.9 -4.9 | 355 19 1.6 -18.9 14 50 20450 320 11 7.1 -8.4 | 350 23 3.8 -22.4 15 30 23620 330 11 5.5 -9.5 | 355 24 2.2 -23.5 Wind Parameters Mean winds (0-6000m): 163.3 at 19.1 knts Storm direction: 193.3 at 14.3 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 85.6 neg: 0.0 tot: 85.6 m^2/s^2 ave: 28.5 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 16.75 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 ------------------------------------------------------------------------------- 500 127 15 73 16| 6.6 0.0 6.6| 26.3 0.0 26.3 52.6 0.93| 6.9 6.4 1000 132 17 81 16| 5.0 0.0 5.0| 45.1 0.0 45.1 45.1 0.93| 5.9 5.5 1500 139 18 89 15| 4.5 0.0 4.5| 62.0 0.0 62.0 41.4 0.92| 5.7 5.2 2000 144 19 96 15| 3.9 0.0 3.9| 70.0 0.0 70.0 35.0 0.93| 4.8 4.5 2500 149 20 103 14| 3.5 0.0 3.5| 78.3 0.0 78.3 31.3 0.93| 4.4 4.1 3000 153 21 109 13| 3.2 0.0 3.2| 85.6 0.0 85.6 28.5 0.93| 4.0 3.8 4000 158 21 116 13| 2.0 0.0 2.0| 85.6 -2.8 82.8 20.7 0.73| 3.7 2.7 5000 161 20 118 11| 1.3 0.0 1.3| 85.6 -6.9 78.8 15.8 0.54| 3.4 1.9 6000 163 19 116 10| 0.9 0.0 0.9| 85.6 -10.8 74.8 12.5 0.37| 3.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251012.12.gif