UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 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 -53 SFC 971 184 1.8 -1.2 80 3.0 0.5 165 5 277.3 277.9 275.2 287.2 3.60 2 925 574 -0.7 -3.9 79 3.2 -1.9 190 21 278.6 279.1 275.2 287.2 3.09 3 850 1248 -5.5 -8.5 79 3.0 -6.5 215 23 280.4 280.8 275.2 287.1 2.36 4 765 2064 -10.1 -13.1 79 3.0 -10.9 226 25 284.0 284.3 276.3 289.3 1.82 5 700 2742 -12.7 -15.7 78 3.0 -13.5 235 27 288.4 288.7 278.3 293.2 1.61 6 557 4454 -21.3 -24.6 75 3.3 -22.0 242 45 297.7 297.9 281.6 300.7 0.93 7 500 5240 -27.3 -30.8 72 3.5 -27.8 245 54 299.8 299.9 282.0 301.7 0.59 8 411 6624 -38.5 -42.3 67 3.8 -38.8 241 52 302.6 302.6 282.7 303.4 0.22 9 406 6708 -40.9 -44.6 67 3.7 -41.1 240 52 300.6 300.6 281.8 301.2 0.18 10 400 6810 -41.3 -44.9 68 3.6 -41.5 240 52 301.3 301.3 282.1 301.9 0.17 11 302 8667 -53.5 -57.4 62 3.9 -53.6 260 71 309.3 309.4 285.1 309.6 0.05 12 300 8710 -53.7 -57.6 62 3.9 -53.8 260 71 309.7 309.7 285.2 309.9 0.05 13 271 9360 -56.8 -60.8 60 4.0 -56.9 260 73 314.3 314.3 286.9 314.4 0.04 14 258 9670 -58.3 -62.4 59 4.1 -58.3 260 66 316.5 316.5 287.6 316.7 0.03 15 250 9870 -55.7 -59.7 61 4.0 -55.8 260 62 323.3 323.3 289.8 323.5 0.05 16 244 10026 -52.9 -57.3 59 4.4 -53.0 259 60 329.7 329.7 291.7 330.0 0.07 17 208 11064 -51.5 -56.0 58 4.5 -51.7 256 49 347.3 347.3 296.1 347.7 0.09 18 200 11320 -50.5 -55.2 57 4.7 -50.7 255 46 352.8 352.8 297.3 353.3 0.11 19 176 12154 -48.5 -54.5 50 6.0 -48.8 255 42 369.2 369.3 300.5 369.8 0.13 20 150 13200 -49.7 -57.7 39 8.0 -50.1 255 36 384.4 384.5 303.1 384.9 0.11 21 105 15540 -49.9 -61.9 23 12.0 -50.6 242 26 425.3 425.4 308.4 425.8 0.09 22 100 15860 -50.1 -62.1 23 12.0 -50.8 240 25 430.9 430.9 309.0 431.4 0.09 23 70 18180 -49.5 -62.5 20 13.0 -50.5 245 27 478.5 478.5 313.4 479.2 0.12 24 63 18870 -48.7 -61.7 21 13.0 -50.0 254 26 494.9 494.9 314.7 495.8 0.15 25 50 20380 -50.7 -63.7 20 13.0 -52.0 275 23 524.0 524.0 316.6 524.9 0.15 26 30 23700 -52.1 -65.1 20 13.0 -53.8 305 21 602.6 602.7 320.8 604.1 0.20 27 20 26320 -53.9 -66.9 19 13.0 -55.9 255 27 671.2 671.3 323.5 673.2 0.24 28 10 30830 -47.5 -60.5 21 13.0 -52.4 265 31 842.2 842.8 328.5 853.8 1.11 29 9.1 31453 -47.5 -60.5 21 13.0 -52.7 865.3 865.9 329.0 878.4 1.22 30 8.6 31830 -43.9 -57.9 20 14.0 -50.6 893.4 894.4 329.7 913.3 1.79 31 7.4 32832 -46.9 -59.9 21 13.0 -52.8 920.4 921.3 330.1 939.0 1.62 32 6.5 33695 -45.3 -59.3 19 14.0 -52.4 962.0 963.1 330.9 985.8 1.99 TRP 258 9670 -58.3 -62.4 59 4.1 -58.3 260 66 316.5 316.5 287.6 316.7 0.03 WND 271 9360 -56.8 -60.8 60 4.0 -56.9 260 73 314.3 314.3 286.9 314.4 0.04 Sounding variables and indices 1000-500 mb thick: 5293.00 m Freezing level: 937.88 mb = 464.90 m = 1525.24 ft Wetbulb zero: 960.77 mb = 269.36 m = 883.72 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 77.19 % Est. max temperature: 6.07 C = 42.92 F Sfc-Lift cond lev (LCL): 926.73 mb = 559.01 m = 1834.00 ft T: -0.60 C 700-500 lapse rate: 5.84 C/km ThetaE index: 0.11 C Layer 850.0- 765.0 mb Conv cond level (CCL): 856.15 mb = 1190.51 m = 3905.83 ft Mean mixing ratio: 3.06 g/kg Conv temperature: 4.74 C = 40.53 F Cap Strength: 10.20 C Lifted Index: 11.06 C Risk: None Lifted Index @300 mb: 15.95 C Lifted Index @700 mb: 4.80 C Showalter Index: 11.12 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 18.80 C K Index: 10.30 Risk: None Sweat Index: 187.50 Risk: None Energy Index: 3.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.95 J/kg Max Up Vert Vel: 4.46 m/s Conv Inhibition (B-): 85951.46 J/kg Cap Strength: 10.93 C Lift Cond Lev (LCL): 876.81 mb = 1000.44 m = 3282.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 26 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 ---------------------------------------------------------- 0 971 184 165 5 -1.3 4.8 | 96 28 -27.6 2.9 1 925 574 190 21 3.6 20.7 | 130 29 -22.6 18.8 2 850 1248 215 23 13.2 18.8 | 142 21 -13.1 16.9 3 700 2742 235 27 22.1 15.5 | 163 14 -4.2 13.6 4 500 5240 245 54 48.9 22.8 | 227 31 22.7 20.9 5 400 6810 240 52 45.0 26.0 | 218 31 18.8 24.1 6 300 8710 260 71 69.9 12.3 | 257 45 43.6 10.4 7 271 9360 260 73 71.9 12.7 | 257 47 45.6 10.8 8 258 9670 260 66 65.0 11.5 | 256 40 38.7 9.5 9 250 9870 260 62 61.1 10.8 | 256 36 34.8 8.9 10 200 11320 255 46 44.4 11.9 | 241 21 18.2 10.0 11 150 13200 255 36 34.8 9.3 | 229 11 8.5 7.4 12 100 15860 240 25 21.7 12.5 | 156 12 -4.6 10.6 13 70 18180 245 27 24.5 11.4 | 169 10 -1.8 9.5 14 50 20380 275 23 22.9 -2.0 | 41 5 -3.4 -3.9 15 30 23700 305 21 17.2 -12.0 | 33 17 -9.1 -14.0 16 20 26320 255 27 26.1 7.0 | 178 5 -0.2 5.1 17 10 30830 265 31 30.9 2.7 | 260 5 4.6 0.8 Wind Parameters Mean winds (0-6000m): 235.8 at 35.1 knts Storm direction: 265.8 at 26.3 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 85.1 deg Storm rel helicity (0-3000m) pos: 215.4 neg: 0.0 tot: 215.4 m^2/s^2 ave: 71.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 101.06 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 ------------------------------------------------------------------------------- 500 187 15 118 27| 17.6 0.0 17.6|136.6 0.0 136.6 273.2 0.97| 19.1 18.5 1000 197 18 127 26| 10.2 0.0 10.2|164.4 0.0 164.4 164.4 0.85| 13.3 11.4 1500 205 20 133 24| 7.5 0.0 7.5|177.0 0.0 177.0 118.0 0.83| 10.1 8.4 2000 211 21 137 22| 6.1 0.0 6.1|187.1 0.0 187.1 93.6 0.81| 8.4 6.8 2500 216 22 141 21| 5.2 0.0 5.2|196.2 0.0 196.2 78.5 0.80| 7.4 5.9 3000 220 23 145 20| 5.2 0.0 5.2|215.4 0.0 215.4 71.8 0.82| 7.1 5.8 4000 227 27 158 18| 5.4 0.0 5.4|259.3 0.0 259.3 64.8 0.82| 6.7 5.5 5000 233 31 176 17| 5.4 0.0 5.4|310.1 0.0 310.1 62.0 0.79| 6.5 5.2 6000 236 35 189 18| 4.5 0.2 4.7|312.0 -23.5 288.5 48.1 0.71| 5.8 4.1 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250417.12.gif