UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 17 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 -48 SFC 971 187 -0.3 -4.9 71 4.6 -2.0 155 3 275.2 275.6 272.7 282.7 2.73 2 925 573 -3.1 -7.5 72 4.4 -4.6 215 17 276.1 276.5 272.7 282.7 2.35 3 850 1238 -7.3 -10.1 80 2.8 -8.2 250 27 278.5 278.9 273.7 284.4 2.08 4 842 1312 -7.7 -10.6 80 2.9 -8.6 251 27 278.8 279.2 273.8 284.6 2.02 5 811 1603 -8.1 -11.7 75 3.6 -9.2 254 29 281.4 281.7 275.1 287.0 1.92 6 700 2729 -15.7 -19.0 76 3.3 -16.4 265 36 285.1 285.3 276.0 288.7 1.22 7 634 3462 -21.5 -24.5 77 3.0 -22.0 266 43 286.7 286.8 276.3 289.2 0.83 8 628 3532 -21.1 -24.1 77 3.0 -21.7 267 44 287.9 288.1 276.9 290.6 0.87 9 623 3591 -20.7 -24.0 75 3.3 -21.3 267 44 289.0 289.2 277.5 291.8 0.88 10 574 4189 -23.7 -35.7 32 12.0 -25.1 268 50 292.4 292.4 278.3 293.4 0.32 11 532 4738 -26.5 -37.5 35 11.0 -27.7 269 56 295.4 295.5 279.7 296.4 0.29 12 500 5180 -30.5 -43.5 27 13.0 -31.5 270 60 295.9 295.9 279.7 296.4 0.16 13 454 5864 -36.5 -46.5 35 10.0 -37.1 270 63 296.6 296.6 280.0 297.1 0.13 14 400 6740 -41.9 -49.9 41 8.0 -42.2 270 68 300.5 300.6 281.7 300.9 0.10 15 340 7818 -49.6 -56.7 43 7.1 -49.8 265 89 304.4 304.4 283.2 304.5 0.05 16 335 7915 -50.3 -57.3 43 7.0 -50.5 266 88 304.7 304.7 283.4 304.9 0.05 17 302 8587 -51.9 -58.9 43 7.0 -52.1 270 83 311.6 311.6 285.9 311.8 0.04 18 300 8630 -52.1 -59.1 43 7.0 -52.2 270 83 311.9 311.9 286.1 312.1 0.04 19 269 9340 -54.1 -62.1 37 8.0 -54.2 270 71 318.9 318.9 288.4 319.0 0.03 20 267 9389 -51.7 -59.7 38 8.0 -51.9 270 70 323.1 323.1 289.8 323.3 0.05 21 250 9820 -50.7 -59.7 34 9.0 -51.0 270 60 330.7 330.7 292.0 330.9 0.05 22 200 11270 -48.3 -59.3 27 11.0 -48.7 265 48 356.3 356.3 298.0 356.6 0.06 23 189 11644 -46.7 -58.7 24 12.0 -47.3 267 46 364.7 364.7 299.7 365.0 0.07 24 150 13170 -49.3 -68.3 9 19.0 -49.9 275 36 385.1 385.1 303.1 385.2 0.03 25 103 15636 -49.9 -69.9 8 20.0 -50.8 275 28 427.7 427.7 308.6 427.8 0.03 26 100 15830 -49.9 -69.9 8 20.0 -50.8 275 27 431.3 431.3 309.0 431.5 0.03 27 82 17124 -50.5 -71.5 7 21.0 -51.5 272 23 455.3 455.3 311.4 455.4 0.03 28 82 17124 -46.5 -68.5 6 22.0 -48.0 272 23 463.5 463.5 312.1 463.7 0.05 29 70 18170 -47.5 -69.5 6 22.0 -49.0 270 19 482.8 482.8 313.7 483.0 0.05 30 50 20380 -48.7 -72.7 5 24.0 -50.5 235 11 528.7 528.7 316.9 529.0 0.04 31 30 23700 -50.9 -74.9 4 24.0 -53.2 285 15 605.9 605.9 320.9 606.2 0.05 32 25 24880 -53.5 -77.5 4 24.0 -55.6 281 18 630.8 630.9 321.9 631.1 0.04 33 20 26320 -52.3 -76.3 4 24.0 -55.1 275 21 676.1 676.1 323.6 676.6 0.06 34 15 28175 -53.7 -77.7 4 24.0 -56.7 729.4 729.4 325.4 730.0 0.06 35 13 29102 -50.1 -75.1 4 25.0 -54.6 772.4 772.4 326.5 773.4 0.11 36 11 30186 -53.3 -77.3 4 24.0 -57.2 798.5 798.6 327.3 799.4 0.09 37 10 30804 -50.1 -75.1 4 25.0 -55.4 832.5 832.6 328.0 834.0 0.14 TRP 269 9340 -54.1 -62.1 37 8.0 -54.2 270 71 318.9 318.9 288.4 319.0 0.03 WND 340 7818 -49.6 -56.7 43 7.1 -49.8 265 89 304.4 304.4 283.2 304.5 0.05 Sounding variables and indices 1000-500 mb thick: 5228.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 63.86 % Est. max temperature: 5.07 C = 41.12 F Sfc-Lift cond lev (LCL): 903.60 mb = 757.05 m = 2483.73 ft T: -4.26 C 700-500 lapse rate: 6.04 C/km ThetaE index: 0.00 C Layer 925.0- 850.0 mb Conv cond level (CCL): 791.92 mb = 1785.06 m = 5856.42 ft Mean mixing ratio: 2.38 g/kg Conv temperature: 6.51 C = 43.71 F Cap Strength: 11.10 C Lifted Index: 11.02 C Risk: None Lifted Index @300 mb: 20.48 C Lifted Index @700 mb: 4.73 C Showalter Index: 9.97 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.40 C K Index: 9.80 Risk: None Sweat Index: 181.75 Risk: None Energy Index: 2.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.16 J/kg Max Up Vert Vel: 4.51 m/s Conv Inhibition (B-): 73233.25 J/kg Cap Strength: 11.10 C Lift Cond Lev (LCL): 861.93 mb = 1128.42 m = 3702.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 31 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 ---------------------------------------------------------- 0 971 187 155 3 -1.3 2.7 | 118 33 -29.6 15.6 1 925 573 215 17 9.8 13.9 | 145 33 -18.6 26.8 2 850 1238 250 27 25.4 9.2 | 172 22 -2.9 22.1 3 700 2729 265 36 35.9 3.1 | 205 18 7.6 16.0 4 500 5180 270 60 60.0 -0.0 | 248 34 31.7 12.9 5 400 6740 270 68 68.0 -0.0 | 252 42 39.7 12.9 6 340 7818 265 89 88.7 7.8 | 251 64 60.4 20.7 7 300 8630 270 83 83.0 -0.0 | 257 56 54.7 12.9 8 269 9340 270 71 71.0 -0.0 | 253 45 42.7 12.9 9 250 9820 270 60 60.0 -0.0 | 248 34 31.7 12.9 10 200 11270 265 48 47.8 4.2 | 229 26 19.5 17.1 11 150 13170 275 36 35.9 -3.1 | 218 12 7.6 9.8 12 100 15830 275 27 26.9 -2.4 | 172 11 -1.4 10.6 13 70 18170 270 19 19.0 -0.0 | 144 16 -9.3 12.9 14 50 20380 235 11 9.0 6.3 | 135 27 -19.3 19.2 15 30 23700 285 15 14.5 -3.9 | 123 17 -13.8 9.0 16 20 26320 275 21 20.9 -1.8 | 146 13 -7.4 11.1 Wind Parameters Mean winds (0-6000m): 264.5 at 41.5 knts Storm direction: 294.5 at 31.1 knts Shear (0-3000m) pos: 7.1 neg: 0.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 329.1 neg: 0.0 tot: 329.1 m^2/s^2 ave: 109.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 7.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.06 Bulk Shear: 169.24 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 ------------------------------------------------------------------------------- 500 211 12 136 32| 18.2 0.0 18.2|171.3 0.0 171.3 342.5 0.93| 20.8 19.4 1000 229 17 148 29| 13.6 0.0 13.6|243.8 0.0 243.8 243.8 0.87| 17.0 14.8 1500 240 21 156 26| 10.4 0.0 10.4|268.1 0.0 268.1 178.7 0.87| 13.0 11.3 2000 246 23 163 24| 8.6 0.0 8.6|288.0 0.0 288.0 144.0 0.87| 10.8 9.4 2500 251 26 169 22| 7.6 0.0 7.6|307.7 0.0 307.7 123.1 0.88| 9.5 8.4 3000 254 28 175 20| 7.1 0.0 7.1|329.1 0.0 329.1 109.7 0.88| 8.8 7.7 4000 259 32 190 19| 6.6 0.0 6.6|374.1 0.0 374.1 93.5 0.86| 7.9 6.8 5000 263 37 206 20| 6.3 0.0 6.3|422.7 0.0 422.7 84.5 0.83| 7.3 6.0 6000 265 41 218 21| 5.3 0.4 5.7|440.2 0.0 440.2 73.4 0.79| 6.5 5.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250417.00.gif