UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 6 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 79 0 0 SFC 992 136 -30.5 -34.3 69 3.8 -30.7 0 0 243.2 243.2 242.9 243.8 0.21 2 990 150 -27.9 -30.7 77 2.8 -28.1 357 0 246.0 246.0 245.7 246.8 0.30 3 983 202 -25.9 -28.8 77 2.9 -26.2 348 1 248.5 248.5 248.1 249.4 0.36 4 925 642 -25.3 -28.0 78 2.7 -25.6 265 7 253.4 253.5 252.6 254.6 0.41 5 902 825 -24.7 -27.5 77 2.8 -25.0 277 9 255.9 256.0 254.7 257.1 0.44 6 885 965 -21.9 -24.5 79 2.6 -22.2 286 10 260.2 260.3 258.6 261.8 0.59 7 870 1091 -21.3 -24.0 79 2.7 -21.7 294 11 262.1 262.2 260.1 263.9 0.63 8 850 1263 -22.3 -24.9 79 2.6 -22.7 305 13 262.8 262.9 260.6 264.5 0.60 9 766 2023 -24.5 -28.2 71 3.7 -24.9 289 17 268.3 268.4 264.5 269.8 0.49 10 700 2672 -29.3 -33.4 68 4.1 -29.7 275 21 270.0 270.1 265.3 271.0 0.33 11 527 4645 -41.9 -46.8 59 4.9 -42.1 237 11 277.7 277.8 269.9 278.1 0.11 12 500 5000 -43.1 -47.9 59 4.8 -43.3 230 9 280.5 280.5 271.6 280.8 0.10 13 491 5122 -42.9 -47.7 59 4.8 -43.1 235 9 282.2 282.2 272.6 282.5 0.10 14 400 6480 -51.1 -58.1 43 7.0 -51.2 290 13 288.6 288.6 276.0 288.7 0.04 15 376 6880 -53.3 -60.3 42 7.0 -53.4 285 16 290.8 290.8 277.1 290.9 0.03 16 330 7715 -56.3 -64.3 36 8.0 -56.4 275 21 297.8 297.8 280.4 297.8 0.02 17 311 8092 -56.7 -64.7 36 8.0 -56.8 275 21 302.3 302.3 282.3 302.4 0.02 18 300 8320 -56.5 -64.5 36 8.0 -56.6 275 21 305.7 305.7 283.7 305.8 0.02 19 250 9480 -55.1 -64.1 32 9.0 -55.2 240 19 324.1 324.2 290.0 324.3 0.03 20 240 9742 -54.3 -63.3 32 9.0 -54.5 240 18 329.2 329.2 291.5 329.3 0.03 21 220 10298 -55.9 -64.9 32 9.0 -56.1 240 17 335.0 335.0 293.1 335.1 0.03 22 210 10596 -53.3 -63.3 29 10.0 -53.5 240 16 343.5 343.5 295.2 343.7 0.04 23 200 10910 -54.5 -65.5 25 11.0 -54.7 240 15 346.5 346.5 295.8 346.6 0.03 24 160 12344 -52.3 -65.3 19 13.0 -52.7 232 17 373.0 373.0 301.1 373.2 0.04 25 150 12760 -53.7 -67.7 16 14.0 -54.1 230 17 377.5 377.6 301.9 377.7 0.03 26 145 12977 -55.7 -69.7 16 14.0 -56.0 229 19 377.8 377.8 301.9 377.9 0.02 27 124 13975 -54.7 -70.7 12 16.0 -55.1 223 25 396.9 396.9 304.8 397.0 0.02 28 100 15340 -58.1 -74.1 11 16.0 -58.5 215 35 415.5 415.5 307.2 415.6 0.02 29 73 17318 -60.9 -78.9 8 18.0 -61.2 211 46 448.7 448.7 310.7 448.7 0.01 30 70 17580 -59.9 -77.9 8 18.0 -60.3 210 48 456.2 456.2 311.4 456.3 0.01 31 58 18747 -60.9 -78.9 8 18.0 -61.3 221 58 479.2 479.2 313.4 479.3 0.01 32 55 19079 -57.1 -76.1 7 19.0 -57.8 224 61 495.2 495.2 314.6 495.4 0.02 33 50 19680 -57.3 -76.3 7 19.0 -58.0 230 66 508.4 508.5 315.5 508.6 0.02 34 42 20780 -57.1 -77.1 6 20.0 -58.0 228 68 534.9 534.9 317.2 535.1 0.03 35 35 21916 -63.1 -83.1 5 20.0 -63.6 227 69 547.9 547.9 318.0 548.0 0.01 36 30 22860 -64.1 -84.1 5 20.0 -64.7 225 71 569.9 569.9 319.2 570.0 0.01 37 28 23282 -64.5 -84.5 5 20.0 -65.1 220 72 580.1 580.1 319.7 580.2 0.01 38 23 24503 -58.1 -79.1 5 21.0 -59.5 205 75 632.5 632.5 322.0 632.8 0.03 39 21 25075 -58.9 -79.9 5 21.0 -60.3 199 76 646.8 646.8 322.6 647.0 0.03 40 13 28101 -56.5 -78.5 5 22.0 -59.0 750.2 750.2 326.0 750.8 0.07 TRP 330 7715 -56.3 -64.3 36 8.0 -56.4 275 21 297.8 297.8 280.4 297.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4921.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 68.86 % Est. max temperature: -10.47 C = 13.16 F Sfc-Lift cond lev (LCL): 930.00 mb = 602.96 m = 1978.21 ft T: -25.35 C 700-500 lapse rate: 5.93 C/km ThetaE index: 0.00 C Layer 992.0- 0.0 mb Conv cond level (CCL): 992.00 mb = 136.02 m = 446.25 ft Mean mixing ratio: 0.40 g/kg Conv temperature: -27.57 C = -17.62 F Cap Strength: 20.48 C Lifted Index: 22.39 C Risk: None Lifted Index @300 mb: 37.23 C Lifted Index @700 mb: 15.45 C Showalter Index: 13.25 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.20 C K Index: -8.20 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.58 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 65488.41 J/kg Cap Strength: 21.79 C Lift Cond Lev (LCL): 898.72 mb = 852.25 m = 2796.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 10 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 ---------------------------------------------------------- 0 992 136 0 0 -0.0 -0.0 | 121 10 -8.5 5.0 1 925 642 265 7 7.0 0.6 | 165 6 -1.5 5.6 2 850 1263 305 13 10.6 -7.5 | 318 3 2.2 -2.4 3 700 2672 275 21 20.9 -1.8 | 256 13 12.4 3.2 4 500 5000 230 9 6.9 5.8 | 172 11 -1.6 10.8 5 400 6480 290 13 12.2 -4.4 | 261 4 3.7 0.6 6 330 7715 275 21 20.9 -1.8 | 256 13 12.4 3.2 7 300 8320 275 21 20.9 -1.8 | 256 13 12.4 3.2 8 250 9480 240 19 16.5 9.5 | 209 17 8.0 14.5 9 200 10910 240 15 13.0 7.5 | 200 13 4.5 12.5 10 150 12760 230 17 13.0 10.9 | 196 17 4.5 16.0 11 100 15340 215 35 20.1 28.7 | 199 36 11.6 33.7 12 70 17580 210 48 24.0 41.6 | 198 49 15.5 46.6 13 50 19680 230 66 50.6 42.4 | 222 63 42.1 47.5 14 30 22860 225 71 50.2 50.2 | 217 69 41.7 55.2 15 20 25380 195 77 19.9 74.4 | 188 80 11.5 79.4 Wind Parameters Mean winds (0-6000m): 270.7 at 13.1 knts Storm direction: 300.7 at 9.9 knts Shear (0-3000m) pos: 1.7 neg: 2.5 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 117.2 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -29.5 tot: -17.2 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.77 Bulk Shear: 12.47 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 ------------------------------------------------------------------------------- 500 265 3 137 7| 0.0 7.1 7.1| 6.7 -3.0 3.7 7.4 0.39| 9.5 3.7 1000 279 6 151 5| 3.5 3.6 7.1| 11.4 -3.0 8.4 8.4 0.57| 8.4 4.8 1500 291 9 169 2| 3.4 2.4 5.7| 12.3 -4.9 7.4 5.0 0.43| 7.2 3.1 2000 291 11 230 2| 2.5 2.8 5.3| 12.3 -9.3 3.0 1.5 0.27| 6.5 1.7 2500 286 12 247 4| 2.0 3.1 5.1| 12.3 -16.5 -4.2 -1.7 0.14| 6.2 0.9 3000 283 14 247 5| 1.7 2.5 4.2| 12.3 -29.5 -17.2 -5.7 0.01| 5.8 0.0 4000 276 14 239 7| 1.3 1.8 3.1| 12.3 -51.8 -39.5 -9.9 -0.17| 5.3 -0.9 5000 273 14 229 7| 1.0 1.3 2.3| 13.9 -67.3 -53.4 -10.7 -0.25| 4.9 -1.2 6000 271 13 224 7| 1.5 1.1 2.6| 26.5 -67.3 -40.9 -6.8 -0.10| 4.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251206.12.gif