UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 26 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 ------------------------------------------------------------------------------- SFC 1002 136 2.2 -8.8 44 11.0 -1.5 20 1 275.2 275.5 271.5 280.7 1.96 1 1000 152 2.4 -8.6 44 11.0 -1.3 30 1 275.5 275.9 271.8 281.1 1.99 2 925 775 -3.1 -18.1 30 15.0 -6.9 40 3 276.1 276.3 270.5 279.0 0.99 3 910 904 -4.1 -18.1 33 14.0 -7.6 31 3 276.4 276.6 270.7 279.4 1.01 4 850 1436 -8.9 -19.9 41 11.0 -11.3 355 3 276.8 277.0 270.9 279.5 0.93 5 800 1901 -13.7 -20.7 55 7.0 -15.1 25 6 276.5 276.7 270.7 279.2 0.92 6 760 2292 -12.1 -15.7 75 3.6 -13.0 50 9 282.4 282.6 274.9 286.7 1.48 7 749 2403 -12.9 -15.9 78 3.0 -13.6 57 10 282.7 282.9 275.1 287.0 1.48 8 700 2915 -17.1 -19.8 79 2.7 -17.7 90 13 283.5 283.7 275.0 286.9 1.13 9 683 3099 -18.1 -20.6 81 2.5 -18.6 97 14 284.4 284.6 275.5 287.7 1.09 10 597 4098 -22.7 -25.8 76 3.1 -23.2 137 22 290.3 290.4 278.0 292.7 0.78 11 500 5390 -27.1 -29.9 77 2.8 -27.5 190 33 300.0 300.1 282.2 302.1 0.64 12 462 5949 -28.5 -31.1 78 2.6 -28.9 195 36 305.1 305.2 284.2 307.2 0.62 13 305 8716 -56.3 -60.6 58 4.3 -56.3 196 53 304.5 304.6 283.2 304.7 0.04 14 300 8820 -56.9 -61.3 57 4.4 -57.0 195 54 305.1 305.1 283.5 305.3 0.03 15 285 9143 -58.5 -63.1 55 4.6 -58.6 195 52 307.4 307.4 284.4 307.5 0.03 16 272 9438 -54.1 -58.7 57 4.6 -54.2 197 43 317.9 317.9 288.1 318.1 0.05 17 250 9980 -52.7 -57.5 56 4.8 -52.8 200 27 327.7 327.7 291.2 328.0 0.06 18 200 11430 -50.5 -57.5 43 7.0 -50.8 225 13 352.8 352.8 297.3 353.1 0.08 19 175 12302 -48.9 -58.9 30 10.0 -49.3 237 11 369.2 369.2 300.5 369.5 0.08 20 150 13310 -50.1 -62.1 23 12.0 -50.6 250 9 383.7 383.8 302.9 384.0 0.06 21 100 15960 -49.7 -67.7 10 18.0 -50.5 235 7 431.7 431.7 309.0 431.9 0.04 22 95 16295 -49.7 -68.7 9 19.0 -50.6 243 6 438.1 438.1 309.7 438.3 0.04 23 70 18280 -51.7 -72.7 6 21.0 -52.7 290 3 473.8 473.8 313.0 474.0 0.03 24 61 19172 -52.5 -74.5 5 22.0 -53.6 282 2 491.0 491.0 314.3 491.2 0.03 25 50 20460 -52.3 -74.3 5 22.0 -53.6 270 1 520.2 520.2 316.3 520.4 0.03 26 41 21746 -49.7 -73.7 4 24.0 -51.7 319 3 557.1 557.1 318.5 557.4 0.04 27 30 23780 -50.5 -74.5 4 24.0 -52.9 35 5 607.0 607.0 320.9 607.4 0.05 28 27 24469 -51.7 -76.7 3 25.0 -54.0 48 6 622.2 622.2 321.6 622.5 0.04 29 20 26430 -50.1 -75.1 4 25.0 -53.4 85 7 682.8 682.9 323.9 683.4 0.07 30 10 31024 -43.7 -69.7 4 26.0 -51.7 856.4 856.6 328.6 859.8 0.32 TRP 285 9143 -58.5 -63.1 55 4.6 -58.6 195 52 307.4 307.4 284.4 307.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: 967.27 mb = 423.85 m = 1390.58 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 64.35 % Est. max temperature: 3.82 C = 38.87 F Sfc-Lift cond lev (LCL): 844.00 mb = 1490.33 m = 4889.46 ft T: -9.46 C 700-500 lapse rate: 4.04 C/km ThetaE index: 2.11 C Layer 925.0- 910.0 mb Conv cond level (CCL): 690.70 mb = 3015.33 m = 9892.69 ft Mean mixing ratio: 1.38 g/kg Conv temperature: 11.04 C = 51.88 F Cap Strength: 10.03 C Lifted Index: 16.88 C Risk: None Lifted Index @300 mb: 17.90 C Lifted Index @700 mb: 5.61 C Showalter Index: 17.18 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 7.20 C K Index: -4.40 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 4.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.77 J/kg Max Up Vert Vel: 2.36 m/s Conv Inhibition (B-): 62255.23 J/kg Cap Strength: 16.21 C Lift Cond Lev (LCL): 779.03 mb = 2103.53 m = 6901.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 at 13 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 1002 136 20 1 -0.3 -0.9 | 18 14 -4.2 -12.8 1 1000 152 30 1 -0.5 -0.9 | 19 13 -4.4 -12.8 2 925 775 40 3 -1.9 -2.3 | 22 15 -5.8 -14.2 3 850 1436 355 3 0.3 -3.0 | 14 15 -3.6 -14.9 4 700 2915 90 13 -13.0 0.0 | 55 21 -16.9 -11.9 5 500 5390 190 33 5.7 32.5 | 185 21 1.9 20.6 6 400 6930 205 42 17.7 38.1 | 208 30 13.9 26.2 7 300 8820 195 54 14.0 52.2 | 194 42 10.1 40.3 8 285 9143 195 52 13.5 50.2 | 194 40 9.6 38.3 9 250 9980 200 27 9.2 25.4 | 202 15 5.4 13.5 10 200 11430 225 13 9.2 9.2 | 297 6 5.3 -2.7 11 150 13310 250 9 8.5 3.1 | 332 10 4.6 -8.8 12 100 15960 235 7 5.7 4.0 | 347 8 1.9 -7.9 13 70 18280 290 3 2.8 -1.0 | 5 13 -1.0 -12.9 14 50 20460 270 1 1.0 -0.0 | 14 12 -2.9 -11.9 15 30 23780 35 5 -2.9 -4.1 | 23 17 -6.7 -16.0 16 20 26430 85 7 -7.0 -0.6 | 41 17 -10.8 -12.5 Wind Parameters Mean winds (0-6000m): 168.0 at 16.7 knts Storm direction: 198.0 at 12.5 knts Shear (0-3000m) pos: 2.8 neg: 0.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 44.4 deg Storm rel helicity (0-3000m) pos: 95.3 neg: -9.2 tot: 86.2 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 42.41 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 35 2 20 14| 1.7 0.0 1.7| 2.9 0.0 2.9 5.8 0.47| 1.7 0.8 1000 33 2 20 15| 0.8 0.6 1.4| 3.6 -4.9 -1.3 -1.3 -0.08| 1.7 -0.1 1500 21 3 19 15| 0.6 0.9 1.4| 5.7 -9.2 -3.5 -2.3 -0.13| 2.0 -0.3 2000 27 3 20 16| 1.6 0.6 2.2| 23.4 -9.2 14.2 7.1 0.26| 2.8 0.7 2500 49 5 26 17| 2.3 0.5 2.8| 56.8 -9.2 47.6 19.1 0.52| 3.5 1.8 3000 71 6 35 17| 2.8 0.4 3.2| 95.3 -9.2 86.2 28.7 0.66| 4.1 2.7 4000 101 9 52 16| 3.3 0.3 3.6|178.7 -9.2 169.5 42.4 0.79| 5.1 4.0 5000 140 13 81 12| 3.5 0.3 3.8|282.1 -9.2 272.9 54.6 0.86| 6.2 5.3 6000 168 17 121 9| 3.5 0.2 3.7|341.6 -9.2 332.5 55.4 0.86| 6.2 5.4 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20250426.12.gif