UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 18 APR 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 -101 SFC 965 187 2.4 -1.4 76 3.8 0.8 350 1 278.4 279.0 275.7 288.3 3.57 2 951 306 3.4 -2.6 65 6.0 0.9 26 2 280.6 281.1 276.6 289.9 3.32 3 925 530 1.6 -4.4 64 6.0 -0.7 95 5 280.9 281.5 276.3 289.4 2.98 4 850 1204 -3.7 -6.8 79 3.1 -4.8 240 29 282.3 282.7 276.6 290.0 2.70 5 840 1298 -4.3 -7.1 81 2.8 -5.3 238 29 282.6 283.1 276.7 290.2 2.67 6 702 2699 -10.1 -12.7 81 2.6 -10.9 215 25 291.1 291.4 280.1 297.2 2.05 7 700 2721 -10.3 -13.2 79 2.9 -11.2 215 25 291.1 291.4 280.0 297.0 1.97 8 696 2764 -10.5 -13.7 77 3.2 -11.5 215 25 291.3 291.7 280.0 297.1 1.91 9 666 3101 -7.7 -25.7 22 18.0 -11.9 217 28 298.2 298.3 281.5 300.5 0.71 10 608 3795 -11.3 -35.3 12 24.0 -15.4 221 32 301.9 302.0 282.5 303.0 0.31 11 400 6780 -43.1 -49.1 52 6.0 -43.3 225 64 299.0 299.0 281.1 299.4 0.11 12 387 7002 -44.5 -50.5 51 6.0 -44.7 225 66 300.0 300.0 281.5 300.3 0.10 13 368 7335 -49.1 -55.1 50 6.0 -49.3 225 69 298.2 298.2 280.6 298.4 0.06 14 340 7850 -51.9 -57.9 48 6.0 -52.0 225 75 301.2 301.2 281.9 301.4 0.05 15 318 8278 -56.5 -62.5 47 6.0 -56.6 225 79 300.7 300.7 281.7 300.8 0.03 16 316 8318 -56.2 -62.2 47 6.0 -56.3 225 79 301.6 301.7 282.1 301.8 0.03 17 300 8650 -53.5 -59.5 48 6.0 -53.6 225 77 309.9 309.9 285.4 310.1 0.04 18 298 8693 -53.3 -59.3 48 6.0 -53.4 225 76 310.8 310.8 285.7 311.0 0.04 19 283 9024 -54.5 -60.5 47 6.0 -54.6 227 68 313.7 313.7 286.7 313.9 0.04 20 264 9473 -48.9 -55.9 44 7.0 -49.1 229 58 328.2 328.2 291.3 328.5 0.07 21 250 9830 -49.3 -57.3 39 8.0 -49.6 230 50 332.8 332.8 292.5 333.0 0.07 22 200 11300 -48.3 -61.3 21 13.0 -48.8 225 36 356.3 356.3 298.0 356.5 0.05 23 150 13200 -48.1 -66.1 11 18.0 -48.8 240 35 387.2 387.2 303.4 387.4 0.04 24 134 13942 -46.7 -66.7 8 20.0 -47.6 240 32 402.4 402.4 305.6 402.5 0.04 25 115 14948 -48.9 -69.9 7 21.0 -49.8 240 28 416.3 416.3 307.3 416.4 0.03 26 100 15860 -50.1 -72.1 6 22.0 -51.0 240 25 430.9 430.9 309.0 431.0 0.02 27 70 18180 -51.1 -74.1 5 23.0 -52.2 260 29 475.1 475.1 313.1 475.2 0.02 28 57 19518 -52.5 -74.5 5 22.0 -53.7 260 24 500.6 500.6 315.0 500.8 0.03 29 50 20370 -51.5 -74.5 5 23.0 -52.9 260 21 522.1 522.1 316.5 522.3 0.03 30 45 21058 -48.9 -72.9 4 24.0 -50.9 544.4 544.4 317.8 544.7 0.04 31 38 22163 -51.1 -75.1 4 24.0 -52.9 565.8 565.8 318.9 566.0 0.04 TRP 318 8278 -56.5 -62.5 47 6.0 -56.6 225 79 300.7 300.7 281.7 300.8 0.03 WND 316 8318 -56.2 -62.2 47 6.0 -56.3 225 79 301.6 301.7 282.1 301.8 0.03 Sounding variables and indices 1000-500 mb thick: 5290.43 m Freezing level: 902.36 mb = 733.47 m = 2406.37 ft Wetbulb zero: 936.55 mb = 429.56 m = 1409.31 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 48.74 % Est. max temperature: 7.98 C = 46.37 F Sfc-Lift cond lev (LCL): 909.72 mb = 662.78 m = 2174.44 ft T: 0.56 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.50 C Layer 925.0- 850.0 mb Conv cond level (CCL): 787.98 mb = 1796.75 m = 5894.78 ft Mean mixing ratio: 3.01 g/kg Conv temperature: 9.55 C = 49.20 F Cap Strength: 13.06 C Lifted Index: 10.45 C Risk: None Lifted Index @300 mb: 14.51 C Lifted Index @700 mb: 5.62 C Showalter Index: 10.10 C Risk: None Total Totals Index: 41.81 C Risk: None Vertical Totals Index: 22.45 C Cross Totals Index: 19.35 C K Index: 12.75 Risk: None Sweat Index: 105.01 Risk: None Energy Index: 2.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.63 J/kg Max Up Vert Vel: 4.16 m/s Conv Inhibition (B-): 38073.27 J/kg Cap Strength: 12.94 C Lift Cond Lev (LCL): 843.37 mb = 1265.86 m = 4153.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 23 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 ---------------------------------------------------------- 0 965 187 350 1 0.2 -1.0 | 74 23 -22.5 -6.4 1 925 530 95 5 -5.0 0.4 | 80 28 -27.6 -5.0 2 850 1204 240 29 25.1 14.5 | 195 9 2.5 9.1 3 700 2721 215 25 14.3 20.5 | 151 17 -8.3 15.1 4 500 5230 230 42 32.2 27.0 | 204 24 9.5 21.6 5 400 6780 225 64 45.3 45.3 | 210 46 22.6 39.8 6 318 8278 225 79 55.9 55.9 | 213 60 33.2 50.5 7 316 8318 225 79 55.9 55.9 | 213 60 33.2 50.5 8 300 8650 225 77 54.4 54.4 | 213 58 31.8 49.0 9 250 9830 230 50 38.3 32.1 | 210 31 15.7 26.7 10 200 11300 225 36 25.5 25.5 | 188 20 2.8 20.0 11 150 13200 240 35 30.3 17.5 | 212 14 7.7 12.1 12 100 15860 240 25 21.7 12.5 | 172 7 -1.0 7.1 13 70 18180 260 29 28.6 5.0 | 274 6 5.9 -0.4 14 50 20370 260 21 20.7 3.6 | 48 3 -2.0 -1.8 Wind Parameters Mean winds (0-6000m): 226.6 at 31.1 knts Storm direction: 256.6 at 23.3 knts Shear (0-3000m) pos: 5.5 neg: 1.8 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 297.9 neg: -35.2 tot: 262.7 m^2/s^2 ave: 87.6 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 6.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.06 Bulk Shear: 150.22 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 ------------------------------------------------------------------------------- 500 104 4 81 27| 11.7 0.0 11.7| 76.5 -4.6 71.9 143.9 0.67| 14.4 9.6 1000 226 12 102 14| 14.8 0.0 14.8|280.5 -4.6 275.9 275.9 0.79| 28.3 22.5 1500 234 17 119 10| 9.9 0.8 10.7|283.2 -12.6 270.6 180.4 0.70| 20.4 14.4 2000 232 20 134 10| 7.4 1.6 9.0|283.2 -23.3 259.9 129.9 0.61| 16.4 10.0 2500 229 21 142 11| 5.9 2.1 8.0|283.2 -35.2 248.0 99.2 0.53| 13.9 7.4 3000 226 22 145 12| 5.5 1.8 7.2|297.9 -35.2 262.7 87.6 0.55| 12.2 6.7 4000 225 24 155 13| 5.1 1.3 6.4|333.4 -35.2 298.2 74.6 0.59| 10.1 6.0 5000 226 27 168 14| 4.8 1.1 5.9|373.5 -35.2 338.3 67.7 0.62| 8.9 5.5 6000 227 31 180 16| 4.0 1.3 5.4|394.9 -35.2 359.7 60.0 0.56| 8.6 4.8 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250418.00.gif