UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 5 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 -11 SFC 980 139 -20.5 -24.2 72 3.7 -21.0 60 1 254.1 254.2 253.5 255.6 0.55 2 960 292 -18.7 -22.3 73 3.6 -19.2 62 2 257.4 257.5 256.5 259.3 0.67 3 949 378 -15.5 -18.8 76 3.3 -16.1 63 2 261.5 261.7 260.3 264.0 0.91 4 925 572 -14.9 -17.3 82 2.4 -15.4 65 3 264.1 264.2 262.5 267.0 1.06 5 914 663 -14.5 -16.8 83 2.3 -15.0 47 3 265.4 265.6 263.6 268.5 1.12 6 886 898 -16.3 -18.9 80 2.6 -16.8 1 4 265.9 266.1 263.6 268.6 0.97 7 850 1210 -16.7 -19.3 80 2.6 -17.2 300 5 268.7 268.8 265.6 271.4 0.98 8 823 1452 -17.1 -19.6 81 2.5 -17.6 299 7 270.7 270.9 267.0 273.5 0.98 9 700 2647 -25.3 -28.8 73 3.5 -25.7 295 17 274.5 274.6 268.7 276.0 0.51 10 690 2751 -25.9 -29.3 73 3.4 -26.3 295 17 274.9 275.0 268.9 276.4 0.49 11 500 5020 -38.5 -42.2 68 3.7 -38.7 285 9 286.1 286.1 274.9 286.7 0.19 12 416 6262 -48.5 -52.2 65 3.7 -48.6 281 12 288.7 288.7 276.1 289.0 0.07 13 400 6520 -49.3 -53.0 65 3.7 -49.4 280 13 290.9 290.9 277.2 291.2 0.07 14 380 6854 -50.3 -54.0 65 3.7 -50.4 278 17 293.9 293.9 278.7 294.1 0.07 15 320 7953 -56.9 -61.2 58 4.3 -56.9 270 31 299.6 299.6 281.2 299.7 0.03 16 300 8360 -57.3 -61.9 56 4.6 -57.3 275 33 304.6 304.6 283.2 304.7 0.03 17 288 8619 -57.7 -62.4 55 4.7 -57.8 276 31 307.6 307.6 284.4 307.7 0.03 18 250 9520 -56.3 -61.2 54 4.9 -56.4 280 25 322.4 322.4 289.5 322.5 0.04 19 200 10940 -55.5 -61.5 47 6.0 -55.6 260 19 344.9 344.9 295.6 345.1 0.05 20 184 11474 -54.3 -60.3 48 6.0 -54.5 263 20 355.1 355.2 297.8 355.4 0.06 21 150 12780 -55.9 -63.9 36 8.0 -56.1 270 21 373.8 373.8 301.2 374.0 0.05 22 118 14300 -56.7 -65.7 31 9.0 -57.0 252 25 398.8 398.9 305.1 399.1 0.05 23 100 15340 -59.9 -68.9 30 9.0 -60.1 240 27 412.0 412.0 306.8 412.2 0.04 24 93 15792 -61.5 -70.5 29 9.0 -61.7 241 29 417.5 417.5 307.4 417.6 0.03 25 70 17550 -63.1 -73.1 25 10.0 -63.3 245 38 449.4 449.4 310.8 449.5 0.03 26 50 19630 -62.5 -73.5 21 11.0 -62.9 230 58 496.2 496.2 314.7 496.4 0.04 27 46 20145 -61.9 -72.9 22 11.0 -62.3 230 61 509.6 509.6 315.7 509.9 0.04 28 41 20852 -64.5 -75.5 21 11.0 -64.8 230 65 520.2 520.2 316.3 520.4 0.03 29 30 22770 -62.3 -74.3 19 12.0 -62.9 230 77 574.8 574.8 319.4 575.2 0.05 30 23 24417 -61.3 -73.3 19 12.0 -62.1 217 87 623.1 623.2 321.6 623.8 0.08 31 21 24978 -64.3 -76.3 18 12.0 -65.0 212 91 630.5 630.5 321.9 630.9 0.06 32 20 25280 -60.5 -72.5 19 12.0 -61.5 210 93 651.0 651.0 322.7 651.8 0.11 33 18 25938 -59.3 -72.3 17 13.0 -60.6 674.7 674.7 323.6 675.7 0.12 TRP 320 7953 -56.9 -61.2 58 4.3 -56.9 270 31 299.6 299.6 281.2 299.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5031.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 74.31 % Est. max temperature: -4.53 C = 23.84 F Sfc-Lift cond lev (LCL): 921.87 mb = 597.67 m = 1960.83 ft T: -14.79 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.00 C Layer 980.0- 299.0 mb Conv cond level (CCL): 980.00 mb = 138.61 m = 454.75 ft Mean mixing ratio: 0.92 g/kg Conv temperature: -18.32 C = -0.98 F Cap Strength: 9.76 C Lifted Index: 17.50 C Risk: None Lifted Index @300 mb: 28.11 C Lifted Index @700 mb: 9.43 C Showalter Index: 12.22 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.20 C K Index: -1.00 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.96 J/kg Max Up Vert Vel: 9.79 m/s Conv Inhibition (B-): 59274.25 J/kg Cap Strength: 17.10 C Lift Cond Lev (LCL): 889.21 mb = 870.52 m = 2856.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 8 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 ---------------------------------------------------------- 0 980 139 60 1 -0.9 -0.5 | 135 8 -5.6 5.7 1 925 572 65 3 -2.7 -1.3 | 123 9 -7.5 4.9 2 850 1210 300 5 4.3 -2.5 | 174 4 -0.4 3.7 3 700 2647 295 17 15.4 -7.2 | 275 11 10.7 -1.0 4 500 5020 285 9 8.7 -2.3 | 226 6 3.9 3.8 5 400 6520 280 13 12.8 -2.3 | 244 9 8.1 3.9 6 320 7953 270 31 31.0 -0.0 | 257 27 26.3 6.2 7 300 8360 275 33 32.9 -2.9 | 263 28 28.1 3.3 8 250 9520 280 25 24.6 -4.3 | 265 20 19.9 1.8 9 200 10940 260 19 18.7 3.3 | 236 17 14.0 9.5 10 150 12780 270 21 21.0 -0.0 | 249 17 16.3 6.2 11 100 15340 240 27 23.4 13.5 | 223 27 18.6 19.7 12 70 17550 245 38 34.4 16.1 | 233 37 29.7 22.2 13 50 19630 230 58 44.4 37.3 | 222 59 39.7 43.4 14 30 22770 230 77 59.0 49.5 | 224 78 54.2 55.7 15 20 25280 210 93 46.5 80.5 | 206 96 41.8 86.7 Wind Parameters Mean winds (0-6000m): 292.4 at 10.4 knts Storm direction: 322.4 at 7.8 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 12.5 neg: -9.7 tot: 2.8 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.57 Bulk Shear: 18.66 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 63 2 128 8| 0.0 2.3 2.3| 0.0 -5.0 -5.0 -10.0 -0.86| 2.7 -2.3 1000 19 3 120 7| 0.0 2.6 2.6| 2.6 -6.7 -4.1 -4.1 -0.04| 4.9 -0.2 1500 324 4 141 4| 0.0 3.1 3.1| 6.4 -6.7 -0.3 -0.2 0.28| 4.9 1.4 2000 308 6 177 3| 0.0 3.4 3.4| 9.7 -6.7 3.0 1.5 0.36| 4.8 1.7 2500 302 8 220 3| 0.0 3.6 3.6| 12.5 -6.7 5.9 2.3 0.35| 4.7 1.6 3000 299 9 240 4| 0.0 2.7 2.7| 12.5 -9.7 2.8 0.9 0.28| 4.2 1.2 4000 296 10 250 5| 0.0 1.6 1.6| 12.5 -15.2 -2.7 -0.7 0.15| 3.6 0.5 5000 295 10 248 5| 0.0 1.0 1.0| 12.8 -19.5 -6.7 -1.3 0.06| 3.2 0.2 6000 292 10 245 5| 0.0 1.1 1.1| 15.6 -19.5 -3.9 -0.7 0.10| 2.9 0.3 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251205.12.gif