UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 26 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 89 SFC 987 189 -11.3 -19.3 52 8.0 -12.8 330 1 262.8 263.0 261.1 265.2 0.84 2 983 221 -12.3 -18.3 61 6.0 -13.5 324 2 262.1 262.3 260.7 264.7 0.92 3 981 236 -10.3 -16.3 61 6.0 -11.6 321 2 264.3 264.5 262.7 267.3 1.09 4 952 469 -7.3 -13.3 62 6.0 -8.8 274 7 269.6 269.9 267.1 273.6 1.44 5 925 693 -7.3 -14.3 57 7.0 -9.1 230 11 271.8 272.1 268.5 275.7 1.36 6 912 803 -7.9 -14.9 57 7.0 -9.6 233 12 272.3 272.5 268.7 276.1 1.32 7 850 1346 -12.5 -18.5 61 6.0 -13.8 250 17 273.1 273.2 268.7 276.0 1.04 8 781 1984 -17.9 -22.2 69 4.3 -18.7 259 20 273.9 274.1 268.9 276.4 0.82 9 776 2032 -17.9 -22.1 70 4.2 -18.6 259 21 274.5 274.6 269.2 276.9 0.84 10 711 2681 -20.1 -32.1 33 12.0 -21.6 268 24 279.0 279.0 271.2 280.1 0.36 11 700 2796 -20.7 -33.7 30 13.0 -22.2 270 25 279.6 279.6 271.5 280.6 0.32 12 659 3239 -22.9 -38.9 22 16.0 -24.5 276 32 282.0 282.0 272.6 282.6 0.20 13 615 3740 -26.1 -42.1 21 16.0 -27.4 283 40 283.9 283.9 273.7 284.4 0.15 14 557 4452 -27.9 -44.9 18 17.0 -29.2 294 51 289.9 290.0 276.8 290.4 0.13 15 509 5094 -30.5 -38.5 45 8.0 -31.2 303 62 294.3 294.4 279.2 295.3 0.27 16 500 5220 -31.3 -38.3 50 7.0 -31.9 305 64 294.9 294.9 279.4 295.8 0.28 17 474 5598 -33.7 -40.7 49 7.0 -34.2 305 69 296.5 296.5 280.1 297.3 0.23 18 449 5977 -36.1 -43.1 48 7.0 -36.5 302 69 298.1 298.1 280.8 298.7 0.19 19 447 6008 -36.7 -43.7 48 7.0 -37.1 302 69 297.7 297.7 280.6 298.3 0.18 20 425 6356 -40.3 -47.3 47 7.0 -40.6 299 68 297.4 297.4 280.4 297.9 0.13 21 400 6770 -41.5 -48.5 47 7.0 -41.8 295 68 301.1 301.1 282.0 301.5 0.12 22 396 6838 -41.5 -49.5 42 8.0 -41.9 295 68 301.9 301.9 282.3 302.3 0.11 23 367 7352 -44.7 -53.7 36 9.0 -45.0 297 65 304.3 304.3 283.2 304.6 0.07 24 358 7517 -47.5 -56.5 35 9.0 -47.7 298 65 302.7 302.7 282.5 302.9 0.05 25 330 8054 -49.7 -58.7 34 9.0 -49.9 300 62 306.8 306.8 284.2 307.0 0.04 26 300 8680 -48.7 -58.7 30 10.0 -49.0 300 56 316.7 316.7 287.7 316.9 0.05 27 250 9880 -46.9 -58.9 24 12.0 -47.3 295 38 336.3 336.4 293.4 336.6 0.05 28 200 11370 -44.7 -62.7 12 18.0 -45.4 300 29 362.0 362.0 299.1 362.2 0.04 29 191 11677 -44.5 -63.5 10 19.0 -45.3 301 27 367.1 367.1 300.1 367.3 0.04 30 150 13280 -47.1 -69.1 6 22.0 -47.9 305 17 388.9 388.9 303.6 389.0 0.02 31 100 15960 -49.7 -73.7 4 24.0 -50.6 310 9 431.7 431.7 309.0 431.8 0.02 32 70 18290 -48.9 -73.9 4 25.0 -50.3 245 5 479.8 479.8 313.4 479.9 0.02 33 65 18774 -48.7 -73.7 4 25.0 -50.2 226 5 490.5 490.5 314.2 490.7 0.03 34 50 20490 -48.7 -73.7 4 25.0 -50.5 160 5 528.7 528.7 316.9 528.9 0.04 35 31 23598 -52.9 -76.9 4 24.0 -54.8 52 9 594.8 594.8 320.4 595.1 0.04 36 30 23810 -52.1 -77.1 3 25.0 -54.2 45 9 602.6 602.6 320.7 602.9 0.04 37 28 24258 -50.3 -75.3 4 25.0 -52.9 53 9 619.6 619.6 321.5 620.0 0.05 38 20 26450 -50.7 -75.7 4 25.0 -53.9 90 9 681.0 681.0 323.8 681.5 0.07 39 12 29793 -48.7 -73.7 4 25.0 -53.9 795.2 795.3 327.1 796.6 0.15 TRP 330 8054 -49.7 -58.7 34 9.0 -49.9 300 62 306.8 306.8 284.2 307.0 0.04 WND 474 5598 -33.7 -40.7 49 7.0 -34.2 305 69 296.5 296.5 280.1 297.3 0.23 Sounding variables and indices 1000-500 mb thick: 5131.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 41.94 % Est. max temperature: -0.95 C = 30.29 F Sfc-Lift cond lev (LCL): 867.34 mb = 1190.26 m = 3905.02 ft T: -11.18 C 700-500 lapse rate: 4.37 C/km ThetaE index: 0.50 C Layer 983.0- 981.0 mb Conv cond level (CCL): 794.34 mb = 1856.08 m = 6089.44 ft Mean mixing ratio: 1.29 g/kg Conv temperature: -0.39 C = 31.29 F Cap Strength: 17.47 C Lifted Index: 17.78 C Risk: None Lifted Index @300 mb: 30.67 C Lifted Index @700 mb: 7.00 C Showalter Index: 15.73 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 12.80 C K Index: -12.70 Risk: None Sweat Index: 225.39 Risk: None Energy Index: 4.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.20 J/kg Max Up Vert Vel: 8.63 m/s Conv Inhibition (B-): 74602.00 J/kg Cap Strength: 17.67 C Lift Cond Lev (LCL): 843.68 mb = 1402.23 m = 4600.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 27 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 ---------------------------------------------------------- 0 987 189 330 1 0.5 -0.9 | 141 26 -16.8 20.4 1 925 693 230 11 8.4 7.1 | 163 30 -8.9 28.4 2 850 1346 250 17 16.0 5.8 | 177 27 -1.3 27.1 3 700 2796 270 25 25.0 -0.0 | 200 23 7.7 21.3 4 500 5220 305 64 52.4 -36.7 | 294 38 35.1 -15.4 5 474 5598 305 69 56.5 -39.6 | 295 43 39.2 -18.3 6 400 6770 295 68 61.6 -28.7 | 280 45 44.3 -7.5 7 330 8054 300 62 53.7 -31.0 | 285 38 36.4 -9.7 8 300 8680 300 56 48.5 -28.0 | 282 32 31.2 -6.7 9 250 9880 295 38 34.4 -16.1 | 253 18 17.2 5.2 10 200 11370 300 29 25.1 -14.5 | 229 10 7.8 6.8 11 150 13280 305 17 13.9 -9.8 | 164 12 -3.4 11.5 12 100 15960 310 9 6.9 -5.8 | 146 19 -10.4 15.5 13 70 18290 245 5 4.5 2.1 | 151 27 -12.8 23.4 14 50 20490 160 5 -1.7 4.7 | 144 32 -19.0 26.0 15 30 23810 45 9 -6.4 -6.4 | 122 28 -23.7 14.9 16 20 26450 90 9 -9.0 0.0 | 129 34 -26.3 21.3 Wind Parameters Mean winds (0-6000m): 290.9 at 36.6 knts Storm direction: 320.9 at 27.4 knts Shear (0-3000m) pos: 4.3 neg: 1.9 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 76.8 deg Storm rel helicity (0-3000m) pos: 223.5 neg: 0.0 tot: 223.5 m^2/s^2 ave: 74.5 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 5.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.25 Bulk Shear: 149.00 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 ------------------------------------------------------------------------------- 500 235 6 153 28| 0.0 11.5 11.5| 61.4 0.0 61.4 122.7 0.65| 15.0 9.7 1000 238 10 161 28| 2.9 5.7 8.7|103.5 0.0 103.5 103.5 0.73| 10.5 7.7 1500 245 12 167 27| 3.4 3.8 7.2|132.4 0.0 132.4 88.3 0.77| 8.5 6.5 2000 250 14 171 26| 3.5 2.9 6.3|155.2 0.0 155.2 77.6 0.79| 7.3 5.7 2500 255 16 176 26| 3.5 2.3 5.8|177.3 0.0 177.3 70.9 0.80| 6.7 5.3 3000 259 18 181 25| 4.3 1.9 6.2|223.5 0.0 223.5 74.5 0.84| 6.9 5.8 4000 271 23 196 22| 5.5 1.4 6.9|343.0 0.0 343.0 85.7 0.88| 7.6 6.7 5000 284 30 221 18| 6.3 1.1 7.5|503.1 0.0 503.1 100.6 0.88| 8.3 7.2 6000 291 37 244 19| 5.3 1.5 6.8|518.7 -69.4 449.3 74.9 0.72| 7.9 5.6 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250426.00.gif