UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 19 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 67 SFC 985 187 -2.3 -14.3 39 12.0 -5.5 240 5 272.0 272.2 268.4 275.6 1.28 2 925 680 -7.5 -19.5 38 12.0 -10.1 250 13 271.6 271.8 267.5 274.2 0.88 3 850 1330 -13.7 -23.7 43 10.0 -15.4 250 17 271.8 271.9 267.2 273.7 0.66 4 722 2545 -23.5 -30.5 53 7.0 -24.3 250 22 274.0 274.1 268.2 275.3 0.42 5 712 2646 -23.9 -30.9 52 7.0 -24.7 250 22 274.7 274.7 268.6 275.9 0.41 6 700 2770 -25.1 -33.1 47 8.0 -25.9 250 23 274.7 274.7 268.5 275.7 0.34 7 538 4629 -38.7 -47.7 38 9.0 -39.1 215 31 279.9 279.9 271.3 280.2 0.10 8 500 5130 -39.9 -49.9 34 10.0 -40.3 205 33 284.4 284.4 273.8 284.7 0.08 9 422 6286 -40.1 -54.1 21 14.0 -40.6 194 62 298.3 298.3 280.7 298.5 0.06 10 400 6650 -41.7 -56.7 18 15.0 -42.2 190 71 300.8 300.8 281.7 301.0 0.04 11 383 6944 -43.5 -59.5 15 16.0 -43.9 186 71 302.2 302.2 282.3 302.3 0.03 12 378 7033 -44.0 -60.0 15 16.0 -44.4 185 71 302.7 302.7 282.5 302.8 0.03 13 345 7643 -47.1 -63.1 14 16.0 -47.4 190 68 306.5 306.5 284.0 306.6 0.02 14 300 8570 -47.7 -63.7 14 16.0 -48.1 185 54 318.1 318.1 288.2 318.2 0.02 15 272 9207 -49.5 -66.5 12 17.0 -49.8 185 45 324.6 324.6 290.2 324.6 0.02 16 255 9629 -45.7 -63.7 11 18.0 -46.3 185 40 336.2 336.2 293.4 336.3 0.03 17 250 9760 -45.7 -63.7 11 18.0 -46.3 185 38 338.1 338.1 293.9 338.2 0.03 18 200 11260 -44.9 -64.9 9 20.0 -45.7 185 23 361.7 361.7 299.1 361.8 0.03 19 152 13092 -44.5 -67.5 6 23.0 -45.6 209 23 391.9 391.9 304.1 392.0 0.03 20 150 13180 -44.9 -67.9 6 23.0 -45.9 210 23 392.7 392.7 304.2 392.8 0.03 21 100 15860 -48.5 -72.5 5 24.0 -49.6 200 15 434.0 434.0 309.3 434.1 0.02 22 90 16557 -47.3 -71.3 5 24.0 -48.6 203 15 449.7 449.7 310.8 449.8 0.03 23 81 17250 -51.1 -74.1 5 23.0 -52.1 206 15 455.6 455.6 311.4 455.8 0.02 24 77 17582 -48.1 -72.1 5 24.0 -49.5 207 15 468.5 468.5 312.5 468.7 0.03 25 70 18210 -49.1 -73.1 4 24.0 -50.4 210 15 479.3 479.4 313.4 479.5 0.03 26 64 18795 -50.1 -74.1 4 24.0 -51.4 215 16 489.6 489.6 314.2 489.8 0.03 27 61 19110 -47.3 -71.3 5 24.0 -49.1 218 16 502.6 502.6 315.1 502.9 0.04 28 55 19789 -50.3 -74.3 4 24.0 -51.8 224 16 510.8 510.8 315.7 511.0 0.03 29 50 20410 -49.9 -73.9 4 24.0 -51.5 230 17 525.9 525.9 316.7 526.1 0.03 30 30 23740 -51.3 -75.3 4 24.0 -53.5 245 15 604.8 604.8 320.9 605.1 0.05 31 27 24423 -52.1 -76.1 4 24.0 -54.4 621.0 621.1 321.6 621.4 0.05 32 25 24924 -49.9 -73.9 4 24.0 -52.8 641.2 641.2 322.4 641.7 0.07 33 21 26058 -52.5 -76.5 4 24.0 -55.1 666.1 666.1 323.3 666.6 0.06 TRP 345 7643 -47.1 -63.1 14 16.0 -47.4 190 68 306.5 306.5 284.0 306.6 0.02 WND 378 7033 -44.0 -60.0 15 16.0 -44.4 185 71 302.7 302.7 282.5 302.8 0.03 Sounding variables and indices 1000-500 mb thick: 5063.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 42.81 % Est. max temperature: -2.27 C = 27.92 F Sfc-Lift cond lev (LCL): 814.87 mb = 1644.16 m = 5394.17 ft T: -16.23 C 700-500 lapse rate: 6.27 C/km ThetaE index: 1.91 C Layer 925.0- 722.0 mb Conv cond level (CCL): 756.75 mb = 2194.83 m = 7200.79 ft Mean mixing ratio: 0.97 g/kg Conv temperature: -0.91 C = 30.37 F Cap Strength: 4.87 C Lifted Index: 8.30 C Risk: None Lifted Index @300 mb: 30.85 C Lifted Index @700 mb: 1.72 C Showalter Index: 8.98 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 26.20 C Cross Totals Index: 16.20 C K Index: -5.50 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.34 J/kg Max Up Vert Vel: 1.63 m/s Conv Inhibition (B-): 56895.14 J/kg Cap Strength: 7.76 C Lift Cond Lev (LCL): 775.97 mb = 2008.15 m = 6588.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 20 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 ---------------------------------------------------------- 0 985 187 240 5 4.3 2.5 | 76 15 -14.7 -3.6 1 925 680 250 13 12.2 4.4 | 76 7 -6.8 -1.7 2 850 1330 250 17 16.0 5.8 | 85 3 -3.1 -0.3 3 700 2770 250 23 21.6 7.9 | 236 3 2.6 1.8 4 500 5130 205 33 13.9 29.9 | 168 24 -5.1 23.8 5 400 6650 190 71 12.3 69.9 | 174 64 -6.7 63.8 6 378 7033 185 71 6.2 70.7 | 169 66 -12.8 64.6 7 345 7643 190 68 11.8 67.0 | 173 61 -7.2 60.9 8 300 8570 185 54 4.7 53.8 | 163 50 -14.3 47.7 9 250 9760 185 38 3.3 37.9 | 154 35 -15.7 31.8 10 200 11260 185 23 2.0 22.9 | 135 24 -17.0 16.8 11 150 13180 210 23 11.5 19.9 | 151 16 -7.5 13.8 12 100 15860 200 15 5.1 14.1 | 120 16 -13.9 8.0 13 70 18210 210 15 7.5 13.0 | 121 13 -11.5 6.9 14 50 20410 230 17 13.0 10.9 | 129 8 -6.0 4.8 15 30 23740 245 15 13.6 6.3 | 93 5 -5.4 0.2 Wind Parameters Mean winds (0-6000m): 222.2 at 26.6 knts Storm direction: 252.2 at 20.0 knts Shear (0-3000m) pos: 1.4 neg: 2.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 131.1 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -3.0 tot: 0.6 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 46.95 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 ------------------------------------------------------------------------------- 500 247 9 76 11| 8.4 0.0 8.4| 1.6 -0.5 1.0 2.1 0.02| 8.4 0.2 1000 249 12 77 8| 4.2 1.6 5.8| 2.2 -0.5 1.7 1.7 0.06| 5.8 0.3 1500 249 14 78 6| 2.8 1.9 4.7| 2.7 -0.5 2.2 1.4 0.10| 4.7 0.5 2000 250 15 80 5| 2.1 1.9 4.0| 3.1 -0.5 2.6 1.3 0.19| 4.1 0.8 2500 250 17 84 4| 1.7 2.0 3.7| 3.5 -0.5 3.0 1.2 0.22| 3.7 0.8 3000 249 18 95 3| 1.4 2.1 3.5| 3.5 -3.0 0.6 0.2 0.09| 3.8 0.3 4000 243 20 158 3| 1.0 2.4 3.4| 3.5 -15.0 -11.4 -2.9 -0.07| 4.1 -0.3 5000 233 22 172 7| 0.8 2.8 3.6| 5.5 -40.0 -34.5 -6.9 -0.16| 4.5 -0.7 6000 222 27 175 14| 0.7 4.6 5.3| 35.3 -41.7 -6.5 -1.1 -0.05| 6.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250419.12.gif