UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 27 APR 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 123 0 0 SFC 998 139 0.0 -6.0 64 6.0 -2.1 0 0 273.3 273.7 271.2 280.0 2.44 2 925 742 -4.7 -12.7 54 8.0 -7.0 125 5 274.5 274.8 270.5 278.9 1.55 3 850 1401 -9.5 -18.5 48 9.0 -11.6 165 7 276.2 276.4 270.7 279.2 1.04 4 833 1557 -10.1 -19.1 48 9.0 -12.1 167 9 277.2 277.3 271.2 280.1 1.01 5 831 1575 -10.9 -18.9 52 8.0 -12.7 167 9 276.5 276.7 270.8 279.5 1.03 6 795 1916 -10.3 -14.6 71 4.3 -11.5 170 13 280.7 280.9 274.1 285.2 1.55 7 762 2242 -10.5 -14.3 74 3.8 -11.5 173 16 283.9 284.2 276.0 288.7 1.66 8 700 2889 -14.9 -19.2 70 4.3 -15.9 180 23 286.0 286.2 276.5 289.6 1.19 9 598 4062 -22.5 -27.4 64 4.9 -23.3 189 26 290.4 290.5 277.9 292.5 0.67 10 582 4261 -22.5 -27.5 64 5.0 -23.3 191 26 292.6 292.7 279.0 294.8 0.69 11 575 4350 -22.7 -28.7 58 6.0 -23.7 192 27 293.4 293.5 279.3 295.4 0.62 12 500 5360 -30.1 -41.1 33 11.0 -31.0 200 29 296.3 296.4 280.0 297.1 0.21 13 434 6352 -36.9 -48.9 28 12.0 -37.5 200 35 300.0 300.0 281.5 300.3 0.10 14 418 6610 -38.9 -51.9 24 13.0 -39.5 200 36 300.6 300.6 281.7 300.9 0.08 15 400 6910 -41.7 -54.7 23 13.0 -42.2 200 38 300.8 300.8 281.8 301.0 0.06 16 346 7876 -49.7 -59.7 30 10.0 -49.9 200 37 302.7 302.7 282.5 302.8 0.04 17 307 8652 -53.5 -63.5 28 10.0 -53.7 200 36 307.9 307.9 284.5 308.0 0.02 18 300 8800 -53.5 -63.5 28 10.0 -53.7 200 38 309.9 309.9 285.3 310.0 0.02 19 281 9221 -53.7 -64.7 25 11.0 -53.9 205 33 315.5 315.5 287.3 315.6 0.02 20 259 9749 -49.9 -61.9 23 12.0 -50.2 212 26 328.5 328.5 291.3 328.7 0.04 21 250 9980 -51.1 -63.1 23 12.0 -51.4 215 23 330.1 330.1 291.7 330.2 0.03 22 200 11440 -48.9 -66.9 11 18.0 -49.4 240 11 355.3 355.3 297.8 355.4 0.02 23 192 11707 -47.9 -65.9 11 18.0 -48.5 244 11 361.1 361.1 299.0 361.2 0.03 24 150 13320 -49.9 -72.9 5 23.0 -50.5 265 13 384.1 384.1 302.9 384.2 0.01 25 100 15970 -50.7 -75.7 4 25.0 -51.5 270 3 429.8 429.8 308.8 429.8 0.01 26 70 18300 -50.9 -75.9 4 25.0 -52.0 330 5 475.5 475.5 313.1 475.6 0.02 27 50 20480 -52.1 -77.1 3 25.0 -53.5 65 5 520.7 520.7 316.4 520.8 0.02 28 30 23800 -51.1 -76.1 4 25.0 -53.4 350 3 605.3 605.3 320.9 605.6 0.04 29 25 24986 -52.5 -76.5 4 24.0 -54.8 37 6 633.7 633.7 322.0 634.1 0.05 30 20 26440 -50.1 -75.1 4 25.0 -53.4 95 9 682.8 682.9 323.9 683.4 0.07 31 11 30384 -45.7 -71.7 4 26.0 -52.4 826.1 826.2 327.9 828.4 0.22 TRP 307 8652 -53.5 -63.5 28 10.0 -53.7 200 36 307.9 307.9 284.5 308.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5237.00 m Freezing level: 998.00 mb = 139.03 m = 456.13 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 59.46 % Est. max temperature: 3.00 C = 37.40 F Sfc-Lift cond lev (LCL): 908.54 mb = 881.92 m = 2893.42 ft T: -5.72 C 700-500 lapse rate: 6.15 C/km ThetaE index: 1.13 C Layer 925.0- 850.0 mb Conv cond level (CCL): 715.50 mb = 2721.98 m = 8930.29 ft Mean mixing ratio: 1.85 g/kg Conv temperature: 12.14 C = 53.84 F Cap Strength: 12.85 C Lifted Index: 14.35 C Risk: None Lifted Index @300 mb: 21.71 C Lifted Index @700 mb: 8.28 C Showalter Index: 14.41 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 11.60 C K Index: -2.20 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.59 J/kg Max Up Vert Vel: 3.34 m/s Conv Inhibition (B-): 65156.57 J/kg Cap Strength: 14.17 C Lift Cond Lev (LCL): 847.21 mb = 1426.36 m = 4679.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 218 at 15 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 ---------------------------------------------------------- 0 998 139 0 0 -0.0 -0.0 | 38 15 -9.2 -11.5 1 925 742 125 5 -4.1 2.9 | 57 16 -13.3 -8.7 2 850 1401 165 7 -1.8 6.8 | 66 12 -11.0 -4.8 3 700 2889 180 23 0.0 23.0 | 141 15 -9.2 11.5 4 500 5360 200 29 9.9 27.3 | 183 16 0.8 15.7 5 400 6910 200 38 13.0 35.7 | 189 24 3.8 24.2 6 307 8652 200 36 12.3 33.8 | 188 23 3.1 22.3 7 300 8800 200 38 13.0 35.7 | 189 24 3.8 24.2 8 250 9980 215 23 13.2 18.8 | 209 8 4.0 7.3 9 200 11440 240 11 9.5 5.5 | 357 6 0.4 -6.0 10 150 13320 265 13 13.0 1.1 | 340 11 3.8 -10.4 11 100 15970 270 3 3.0 -0.0 | 28 13 -6.2 -11.5 12 70 18300 330 5 2.5 -4.3 | 23 17 -6.7 -15.9 13 50 20480 65 5 -4.5 -2.1 | 45 19 -13.7 -13.7 14 30 23800 350 3 0.5 -3.0 | 31 17 -8.6 -14.5 15 20 26440 95 9 -9.0 0.8 | 59 21 -18.1 -10.8 Wind Parameters Mean winds (0-6000m): 188.4 at 19.7 knts Storm direction: 218.4 at 14.7 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 106.9 deg Storm rel helicity (0-3000m) pos: 89.1 neg: -1.0 tot: 88.1 m^2/s^2 ave: 29.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 46.18 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 ------------------------------------------------------------------------------- 500 129 2 46 15| 4.3 0.0 4.3| 18.2 -1.0 17.3 34.5 0.66| 5.9 3.9 1000 133 4 53 15| 3.2 0.0 3.2| 31.7 -1.0 30.7 30.7 0.69| 5.3 3.6 1500 148 5 58 14| 3.3 0.0 3.3| 42.1 -1.0 41.1 27.4 0.70| 5.1 3.5 2000 159 7 66 13| 3.8 0.0 3.8| 58.5 -1.0 57.5 28.8 0.78| 5.2 4.1 2500 167 9 76 12| 4.2 0.0 4.2| 75.8 -1.0 74.8 29.9 0.82| 5.3 4.3 3000 172 11 87 11| 4.0 0.0 4.0| 89.1 -1.0 88.1 29.4 0.83| 5.1 4.2 4000 178 15 107 10| 3.3 0.0 3.3|105.6 -1.0 104.6 26.2 0.85| 4.4 3.7 5000 184 17 126 10| 2.9 0.0 2.9|123.6 -1.0 122.6 24.5 0.87| 4.0 3.4 6000 188 20 141 10| 2.6 0.2 2.9|133.4 -1.0 132.4 22.1 0.81| 3.8 3.1 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20250427.00.gif