UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 4 DEC 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 12 SFC 983 138 -22.7 -26.1 74 3.4 -23.1 0 0 251.7 251.8 251.2 252.9 0.46 2 972 221 -22.5 -26.1 72 3.6 -22.9 341 4 252.7 252.8 252.1 254.0 0.47 3 966 267 -20.1 -23.8 72 3.7 -20.6 330 6 255.6 255.7 254.8 257.1 0.58 4 965 274 -16.7 -20.1 75 3.4 -17.3 328 6 259.1 259.2 258.1 261.3 0.80 5 962 298 -14.5 -18.1 74 3.6 -15.2 323 7 261.5 261.7 260.3 264.1 0.95 6 938 491 -11.3 -13.6 83 2.3 -11.8 279 16 266.7 266.9 265.0 270.6 1.42 7 925 598 -11.3 -13.1 87 1.8 -11.8 255 21 267.8 268.0 266.0 271.9 1.50 8 896 841 -12.9 -14.3 89 1.4 -13.2 272 23 268.6 268.8 266.3 272.5 1.41 9 850 1241 -15.1 -17.6 81 2.5 -15.6 300 25 270.3 270.5 267.0 273.5 1.13 10 802 1679 -17.1 -19.9 79 2.8 -17.6 300 26 272.7 272.9 268.4 275.6 0.98 11 700 2683 -24.9 -27.8 77 2.9 -25.3 300 27 274.9 275.0 269.0 276.6 0.56 12 674 2956 -26.9 -29.8 76 2.9 -27.2 300 28 275.7 275.7 269.4 277.1 0.48 13 526 4710 -35.5 -38.0 78 2.5 -35.7 300 32 285.6 285.6 274.8 286.5 0.27 14 500 5060 -38.1 -41.1 73 3.0 -38.3 300 33 286.6 286.6 275.2 287.3 0.21 15 400 6550 -51.7 -55.0 68 3.3 -51.8 295 35 287.8 287.8 275.6 288.0 0.05 16 367 7105 -56.1 -59.6 65 3.5 -56.2 297 36 289.1 289.1 276.3 289.2 0.03 17 328 7818 -58.1 -61.8 62 3.7 -58.2 300 38 295.8 295.8 279.5 295.9 0.03 18 301 8359 -59.1 -62.8 62 3.7 -59.2 300 40 301.7 301.8 282.1 301.9 0.03 19 300 8380 -59.1 -62.8 62 3.7 -59.2 300 40 302.0 302.0 282.3 302.1 0.03 20 250 9530 -57.3 -61.1 62 3.8 -57.3 305 38 320.9 320.9 289.0 321.0 0.04 21 216 10454 -56.1 -60.1 61 4.0 -56.2 302 32 336.4 336.4 293.5 336.7 0.05 22 200 10940 -57.5 -62.0 56 4.5 -57.6 300 29 341.7 341.7 294.8 341.9 0.05 23 150 12760 -58.7 -63.7 52 5.0 -58.8 295 29 368.9 369.0 300.4 369.2 0.05 24 100 15280 -61.9 -67.9 45 6.0 -62.0 285 27 408.1 408.1 306.3 408.3 0.04 25 70 17470 -65.9 -72.9 37 7.0 -66.0 275 29 443.4 443.4 310.3 443.6 0.03 26 64 18013 -66.3 -74.3 32 8.0 -66.4 454.0 454.0 311.3 454.2 0.03 TRP 328 7818 -58.1 -61.8 62 3.7 -58.2 300 38 295.8 295.8 279.5 295.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5048.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 78.55 % Est. max temperature: -3.32 C = 26.03 F Sfc-Lift cond lev (LCL): 929.00 mb = 564.86 m = 1853.19 ft T: -11.30 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.00 C Layer 983.0- 0.0 mb Conv cond level (CCL): 983.00 mb = 138.03 m = 452.86 ft Mean mixing ratio: 1.20 g/kg Conv temperature: -15.12 C = 4.78 F Cap Strength: 15.11 C Lifted Index: 15.67 C Risk: None Lifted Index @300 mb: 24.38 C Lifted Index @700 mb: 7.54 C Showalter Index: 10.95 C Risk: None Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 20.50 C K Index: 2.50 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 2.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.62 J/kg Max Up Vert Vel: 11.37 m/s Conv Inhibition (B-): 29247.60 J/kg Cap Strength: 15.52 C Lift Cond Lev (LCL): 906.57 mb = 751.77 m = 2466.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 21 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 ---------------------------------------------------------- 0 983 138 0 0 -0.0 -0.0 | 147 21 -11.3 17.3 1 925 598 255 21 20.3 5.4 | 201 24 8.9 22.8 2 850 1241 300 25 21.7 -12.5 | 245 11 10.3 4.8 3 700 2683 300 27 23.4 -13.5 | 252 13 12.0 3.8 4 500 5060 300 33 28.6 -16.5 | 267 17 17.2 0.8 5 400 6550 295 35 31.7 -14.8 | 263 21 20.4 2.6 6 328 7818 300 38 32.9 -19.0 | 274 22 21.6 -1.7 7 300 8380 300 40 34.6 -20.0 | 276 23 23.3 -2.7 8 250 9530 305 38 31.1 -21.8 | 283 20 19.8 -4.5 9 200 10940 300 29 25.1 -14.5 | 258 14 13.8 2.8 10 150 12760 295 29 26.3 -12.3 | 251 16 14.9 5.1 11 100 15280 285 27 26.1 -7.0 | 235 18 14.7 10.4 12 70 17470 275 29 28.9 -2.5 | 230 23 17.6 14.8 Wind Parameters Mean winds (0-6000m): 296.8 at 27.6 knts Storm direction: 326.8 at 20.7 knts Shear (0-3000m) pos: 3.0 neg: 4.0 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 109.1 deg Storm rel helicity (0-3000m) pos: 116.1 neg: -4.5 tot: 111.6 m^2/s^2 ave: 37.2 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.15 Bulk Shear: 56.10 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 ------------------------------------------------------------------------------- 500 255 11 179 20| 0.0 21.9 21.9| 51.1 -4.5 46.6 93.2 0.46| 29.7 13.8 1000 269 17 198 18| 7.2 10.9 18.1|101.0 -4.5 96.5 96.5 0.54| 22.2 12.0 1500 282 20 211 15| 5.9 7.3 13.2|109.7 -4.5 105.2 70.1 0.56| 16.0 8.9 2000 288 21 220 14| 4.5 5.6 10.1|111.4 -4.5 106.9 53.5 0.56| 12.2 6.9 2500 291 22 226 13| 3.6 4.6 8.2|113.1 -4.5 108.6 43.5 0.56| 9.9 5.6 3000 293 23 230 13| 3.0 4.0 7.0|116.1 -4.5 111.6 37.2 0.57| 8.5 4.8 4000 295 25 238 13| 2.2 3.3 5.5|122.4 -4.5 117.9 29.5 0.57| 6.7 3.8 5000 296 26 245 13| 1.8 2.8 4.6|128.0 -4.7 123.3 24.7 0.57| 5.6 3.2 6000 297 28 250 14| 1.5 2.5 4.0|128.0 -9.3 118.7 19.8 0.53| 4.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251204.12.gif