UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 9 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 ------------------------------------------------------------------------------- SFC 1009 132 -39.9 -51.9 27 12.0 -40.1 0 0 232.7 232.7 232.4 232.7 0.03 1 1002 180 -37.3 -51.3 22 14.0 -37.6 0 0 235.7 235.7 235.4 235.8 0.03 2 1000 194 -37.1 -51.1 22 14.0 -37.4 0 0 236.1 236.1 235.7 236.1 0.03 3 988 278 -36.1 -49.1 25 13.0 -36.4 353 1 237.9 237.9 237.5 238.0 0.04 4 976 364 -28.7 -41.7 28 13.0 -29.3 346 3 246.2 246.2 245.4 246.4 0.10 5 945 596 -26.7 -34.7 47 8.0 -27.3 327 7 250.5 250.5 249.6 251.1 0.21 6 925 750 -27.5 -34.5 51 7.0 -28.0 315 9 251.2 251.2 250.2 251.8 0.22 7 921 781 -27.7 -34.7 51 7.0 -28.2 315 9 251.3 251.3 250.3 251.9 0.22 8 900 947 -26.9 -32.9 57 6.0 -27.3 313 8 253.8 253.8 252.5 254.5 0.27 9 850 1359 -26.7 -31.7 63 5.0 -27.1 310 5 258.2 258.2 256.4 259.1 0.32 10 812 1689 -26.3 -31.3 63 5.0 -26.8 306 5 262.0 262.1 259.5 263.0 0.34 11 742 2339 -27.9 -33.9 56 6.0 -28.4 300 6 267.1 267.1 263.2 268.0 0.29 12 740 2358 -29.1 -34.1 62 5.0 -29.5 299 6 266.0 266.0 262.4 266.9 0.29 13 700 2754 -30.9 -35.7 63 4.8 -31.3 295 7 268.3 268.3 264.0 269.1 0.26 14 500 5060 -46.1 -50.2 63 4.1 -46.2 230 3 276.8 276.8 269.4 277.1 0.08 15 400 6520 -55.1 -59.5 58 4.4 -55.2 180 3 283.4 283.4 273.2 283.5 0.03 16 397 6568 -55.3 -59.6 59 4.3 -55.4 179 3 283.7 283.7 273.3 283.8 0.03 17 300 8320 -62.5 -67.1 54 4.6 -62.6 140 3 297.2 297.2 280.1 297.3 0.02 18 296 8402 -62.9 -67.5 54 4.6 -62.9 150 3 297.8 297.8 280.4 297.9 0.01 19 265 9086 -59.9 -64.5 55 4.6 -60.0 150 3 311.8 311.8 286.0 311.9 0.02 20 250 9450 -57.9 -62.7 54 4.8 -58.0 150 3 320.0 320.0 288.8 320.1 0.03 21 246 9552 -56.3 -61.0 55 4.7 -56.4 158 3 323.9 323.9 290.0 324.0 0.04 22 230 9979 -56.7 -61.6 54 4.9 -56.8 189 4 329.5 329.5 291.6 329.7 0.04 23 200 10870 -54.9 -59.9 54 5.0 -55.0 255 5 345.8 345.8 295.7 346.1 0.06 24 150 12710 -54.9 -62.9 36 8.0 -55.1 230 7 375.5 375.5 301.5 375.7 0.05 25 123 13981 -53.1 -63.1 29 10.0 -53.5 235 14 400.7 400.7 305.3 401.0 0.06 26 100 15310 -53.9 -65.9 22 12.0 -54.4 240 21 423.6 423.6 308.2 423.9 0.05 27 70 17580 -58.7 -73.7 13 15.0 -59.1 245 31 458.8 458.8 311.7 458.9 0.03 28 62 18345 -55.7 -71.7 12 16.0 -56.4 234 34 481.7 481.7 313.6 481.9 0.04 29 50 19690 -62.3 -78.3 10 16.0 -62.7 215 40 496.7 496.7 314.7 496.8 0.02 30 42 20776 -58.1 -75.1 10 17.0 -58.9 215 43 532.5 532.5 317.1 532.7 0.03 31 37 21569 -60.3 -78.3 8 18.0 -61.0 215 46 546.5 546.5 317.9 546.6 0.02 32 32 22477 -58.3 -77.3 7 19.0 -59.3 215 49 575.0 575.0 319.4 575.2 0.03 33 30 22880 -61.5 -79.5 7 18.0 -62.2 215 50 577.0 577.0 319.5 577.1 0.02 34 29 23090 -63.1 -81.1 7 18.0 -63.7 215 53 578.2 578.2 319.6 578.3 0.02 35 27 23531 -62.7 -80.7 7 18.0 -63.4 214 59 591.3 591.3 320.2 591.4 0.02 36 23 24544 -52.9 -72.9 7 20.0 -55.2 212 72 647.8 647.9 322.6 648.5 0.09 37 20 25450 -51.5 -72.5 6 21.0 -54.4 210 83 678.5 678.6 323.7 679.4 0.11 38 18 26126 -56.5 -77.5 5 21.0 -58.5 683.5 683.5 323.9 684.0 0.06 39 12 28747 -48.5 -73.5 4 25.0 -53.8 795.9 796.0 327.2 797.4 0.15 40 11 29318 -49.7 -74.7 4 25.0 -54.8 811.6 811.7 327.5 813.0 0.14 TRP 296 8402 -62.9 -67.5 54 4.6 -62.9 150 3 297.8 297.8 280.4 297.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 4866.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 58.33 % Est. max temperature: -15.13 C = 4.77 F Sfc-Lift cond lev (LCL): 814.75 mb = 1664.97 m = 5462.42 ft T: -26.33 C 700-500 lapse rate: 6.59 C/km ThetaE index: 1.12 C Layer 740.0- 700.0 mb Conv cond level (CCL): 524.02 mb = 4738.38 m = 15545.67 ft Mean mixing ratio: 0.15 g/kg Conv temperature: 3.25 C = 37.85 F Cap Strength: 19.71 C Lifted Index: 24.84 C Risk: None Lifted Index @300 mb: 35.89 C Lifted Index @700 mb: 19.71 C Showalter Index: 14.64 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 14.40 C K Index: -17.10 Risk: None Sweat Index: 13.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 76.38 J/kg Max Up Vert Vel: 12.36 m/s Conv Inhibition (B-): 79998.20 J/kg Cap Strength: 24.78 C Lift Cond Lev (LCL): 832.01 mb = 1513.50 m = 4965.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 4 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 1009 132 0 0 -0.0 -0.0 | 137 4 -2.5 2.7 1 1000 194 0 0 -0.0 -0.0 | 137 4 -2.5 2.7 2 925 750 315 9 6.4 -6.4 | 313 5 3.8 -3.6 3 850 1359 310 5 3.8 -3.2 | 290 1 1.3 -0.5 4 700 2754 295 7 6.3 -3.0 | 273 4 3.8 -0.2 5 500 5060 230 3 2.3 1.9 | 177 5 -0.2 4.7 6 400 6520 180 3 0.0 3.0 | 156 6 -2.5 5.7 7 300 8320 140 3 -1.9 2.3 | 138 7 -4.5 5.0 8 296 8402 150 3 -1.5 2.6 | 143 7 -4.0 5.3 9 250 9450 150 3 -1.5 2.6 | 143 7 -4.0 5.3 10 200 10870 255 5 4.8 1.3 | 210 5 2.3 4.0 11 150 12710 230 7 5.4 4.5 | 201 8 2.8 7.2 12 100 15310 240 21 18.2 10.5 | 230 21 15.7 13.2 13 70 17580 245 31 28.1 13.1 | 238 30 25.6 15.8 14 50 19690 215 40 22.9 32.8 | 210 41 20.4 35.5 15 30 22880 215 50 28.7 41.0 | 211 51 26.2 43.7 16 20 25450 210 83 41.5 71.9 | 208 84 39.0 74.6 Wind Parameters Mean winds (0-6000m): 287.2 at 5.0 knts Storm direction: 317.2 at 3.7 knts Shear (0-3000m) pos: 0.0 neg: 1.1 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 115.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -7.9 tot: -7.9 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 3.0 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 59.28 Bulk Shear: 1.29 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 ------------------------------------------------------------------------------- 500 325 3 106 1| 0.0 7.3 7.3| 0.0 -3.5 -3.5 -7.0 -0.82| 7.9 -6.5 1000 314 5 308 2| 0.0 3.3 3.3| 0.0 -5.7 -5.7 -5.7 -0.69| 6.2 -4.3 1500 313 5 304 2| 0.0 1.8 1.8| 0.0 -6.0 -6.0 -4.0 -0.65| 4.8 -3.1 2000 311 6 298 2| 0.0 1.6 1.6| 0.0 -6.1 -6.1 -3.1 -0.62| 3.8 -2.4 2500 308 6 291 2| 0.0 1.4 1.4| 0.0 -6.4 -6.4 -2.6 -0.61| 3.2 -2.0 3000 305 6 285 2| 0.0 1.1 1.1| 0.0 -7.9 -7.9 -2.6 -0.64| 3.0 -1.9 4000 298 6 270 3| 0.0 0.6 0.6| 0.0 -11.2 -11.2 -2.8 -0.69| 2.6 -1.8 5000 294 5 257 2| 0.0 0.3 0.3| 0.0 -14.1 -14.1 -2.8 -0.72| 2.4 -1.7 6000 287 5 240 3| 0.0 0.3 0.3| 0.0 -16.0 -16.0 -2.7 -0.72| 2.1 -1.5 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251209.00.gif