UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 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 9 SFC 983 137 -19.3 -26.3 54 7.0 -20.1 0 0 255.1 255.2 254.1 256.4 0.45 2 970 236 -17.5 -22.5 65 5.0 -18.2 342 1 257.9 258.0 256.8 259.7 0.65 3 964 283 -14.9 -19.4 68 4.5 -15.7 334 1 261.0 261.1 259.7 263.3 0.85 4 942 458 -14.3 -17.3 78 3.0 -14.9 304 2 263.3 263.5 261.9 266.2 1.04 5 925 596 -14.9 -18.1 77 3.2 -15.5 280 3 264.1 264.2 262.3 266.8 0.99 6 897 828 -14.9 -18.4 75 3.5 -15.6 284 12 266.4 266.6 264.1 269.2 1.00 7 855 1188 -18.7 -21.5 79 2.8 -19.1 289 25 266.1 266.2 263.5 268.4 0.80 8 850 1232 -18.9 -21.6 79 2.7 -19.3 290 27 266.3 266.5 263.6 268.6 0.80 9 846 1267 -18.9 -21.5 80 2.6 -19.3 291 27 266.7 266.8 263.9 269.0 0.81 10 845 1276 -16.9 -19.3 82 2.4 -17.3 291 27 268.9 269.1 265.8 271.7 0.98 11 729 2372 -21.7 -24.9 75 3.2 -22.2 326 25 275.2 275.4 269.5 277.3 0.69 12 700 2669 -24.3 -28.7 67 4.4 -24.8 335 25 275.6 275.7 269.4 277.1 0.51 13 659 3106 -27.7 -32.6 63 4.9 -28.2 330 26 276.5 276.6 269.7 277.7 0.37 14 611 3646 -30.9 -35.4 65 4.5 -31.3 323 27 278.9 279.0 271.1 279.9 0.31 15 581 4004 -30.9 -35.9 61 5.0 -31.3 318 28 282.9 283.0 273.4 283.9 0.31 16 506 4968 -39.1 -45.1 53 6.0 -39.4 306 31 284.4 284.4 273.9 284.8 0.14 17 500 5050 -39.1 -45.1 53 6.0 -39.4 305 31 285.4 285.4 274.5 285.8 0.14 18 465 5542 -41.1 -47.1 52 6.0 -41.3 305 41 288.9 288.9 276.3 289.3 0.12 19 400 6540 -50.1 -56.1 49 6.0 -50.2 305 62 289.9 289.9 276.7 290.0 0.05 20 346 7472 -57.3 -63.3 46 6.0 -57.3 305 68 292.4 292.4 277.9 292.5 0.02 21 338 7620 -57.7 -63.4 48 5.8 -57.8 305 69 293.8 293.8 278.6 293.9 0.02 22 314 8084 -58.9 -63.9 52 5.0 -59.0 305 60 298.4 298.4 280.7 298.5 0.02 23 300 8370 -58.7 -63.7 52 5.0 -58.7 305 56 302.6 302.6 282.5 302.7 0.02 24 250 9520 -58.9 -64.9 46 6.0 -59.0 305 40 318.5 318.5 288.3 318.6 0.02 25 243 9698 -59.1 -65.1 46 6.0 -59.2 301 39 320.8 320.8 289.0 320.9 0.02 26 217 10412 -55.7 -61.7 47 6.0 -55.8 286 34 336.6 336.6 293.5 336.8 0.04 27 200 10930 -56.9 -62.9 47 6.0 -57.0 275 31 342.7 342.7 295.0 342.8 0.04 28 150 12750 -56.5 -64.5 36 8.0 -56.7 290 23 372.7 372.7 301.1 372.9 0.04 29 126 13857 -56.7 -66.7 27 10.0 -56.9 277 25 391.4 391.4 304.0 391.6 0.04 30 100 15310 -60.7 -72.7 19 12.0 -60.9 260 27 410.4 410.5 306.6 410.6 0.02 31 90 15963 -62.1 -74.1 19 12.0 -62.3 261 28 420.2 420.2 307.7 420.3 0.02 32 87 16173 -61.3 -74.3 16 13.0 -61.6 262 28 425.9 425.9 308.4 426.0 0.02 33 70 17520 -61.7 -74.7 16 13.0 -62.0 265 29 452.4 452.4 311.1 452.5 0.02 34 66 17885 -61.5 -75.5 14 14.0 -61.8 262 32 460.5 460.5 311.8 460.6 0.02 35 57 18786 -65.9 -79.9 12 14.0 -66.1 253 41 470.2 470.2 312.7 470.3 0.01 36 51 19460 -66.9 -80.9 12 14.0 -67.1 246 47 483.1 483.1 313.7 483.2 0.01 37 50 19580 -66.7 -80.7 12 14.0 -66.9 245 48 486.3 486.3 314.0 486.4 0.01 38 44 20353 -66.3 -80.3 12 14.0 -66.5 241 53 505.4 505.4 315.4 505.5 0.01 39 40 20935 -62.9 -77.9 12 15.0 -63.3 238 57 527.9 527.9 316.8 528.0 0.02 40 30 22710 -61.7 -77.7 10 16.0 -62.4 230 68 576.4 576.4 319.5 576.7 0.03 41 25 23848 -57.5 -74.5 10 17.0 -58.8 226 77 619.4 619.4 321.5 619.8 0.06 42 23 24370 -60.1 -77.1 9 17.0 -61.2 223 80 626.7 626.7 321.8 627.0 0.05 43 20 25240 -60.3 -78.3 8 18.0 -61.5 220 87 651.6 651.6 322.7 651.9 0.04 44 16 26633 -59.7 -78.7 7 19.0 -61.3 696.5 696.5 324.3 696.9 0.05 TRP 314 8084 -58.9 -63.9 52 5.0 -59.0 305 60 298.4 298.4 280.7 298.5 0.02 WND 338 7620 -57.7 -63.4 48 5.8 -57.8 305 69 293.8 293.8 278.6 293.9 0.02 Sounding variables and indices 1000-500 mb thick: 5041.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 68.26 % Est. max temperature: -4.96 C = 23.07 F Sfc-Lift cond lev (LCL): 875.75 mb = 1008.38 m = 3308.30 ft T: -16.80 C 700-500 lapse rate: 6.22 C/km ThetaE index: 0.82 C Layer 855.0- 850.0 mb Conv cond level (CCL): 983.00 mb = 136.65 m = 448.33 ft Mean mixing ratio: 0.91 g/kg Conv temperature: -18.36 C = -1.04 F Cap Strength: 15.61 C Lifted Index: 16.34 C Risk: None Lifted Index @300 mb: 26.24 C Lifted Index @700 mb: 9.84 C Showalter Index: 13.91 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 17.50 C K Index: -5.80 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.33 J/kg Max Up Vert Vel: 8.64 m/s Conv Inhibition (B-): 59480.50 J/kg Cap Strength: 15.59 C Lift Cond Lev (LCL): 878.33 mb = 986.23 m = 3235.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 20 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 ---------------------------------------------------------- 0 983 137 0 0 -0.0 -0.0 | 161 20 -6.6 19.1 1 925 596 280 3 3.0 -0.5 | 169 19 -3.6 18.6 2 850 1232 290 27 25.4 -9.2 | 242 21 18.8 9.9 3 700 2669 335 25 10.6 -22.7 | 312 5 4.0 -3.5 4 500 5050 305 31 25.4 -17.8 | 266 19 18.8 1.4 5 400 6540 305 62 50.8 -35.6 | 290 47 44.2 -16.4 6 338 7620 305 69 56.5 -39.6 | 292 54 49.9 -20.4 7 314 8084 305 60 49.1 -34.4 | 290 45 42.6 -15.3 8 300 8370 305 56 45.9 -32.1 | 288 41 39.3 -13.0 9 250 9520 305 40 32.8 -22.9 | 278 26 26.2 -3.8 10 200 10930 275 31 30.9 -2.7 | 236 29 24.3 16.4 11 150 12750 290 23 21.6 -7.9 | 233 19 15.0 11.3 12 100 15310 260 27 26.6 4.7 | 220 31 20.0 23.8 13 70 17520 265 29 28.9 2.5 | 226 31 22.3 21.7 14 50 19580 245 48 43.5 20.3 | 223 54 36.9 39.4 15 30 22710 230 68 52.1 43.7 | 216 78 45.5 62.8 16 20 25240 220 87 55.9 66.6 | 210 99 49.3 85.8 Wind Parameters Mean winds (0-6000m): 311.0 at 27.0 knts Storm direction: 341.0 at 20.2 knts Shear (0-3000m) pos: 3.9 neg: 1.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 134.9 deg Storm rel helicity (0-3000m) pos: 165.3 neg: -2.6 tot: 162.6 m^2/s^2 ave: 54.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 6.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.43 Bulk Shear: 86.45 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 ------------------------------------------------------------------------------- 500 280 2 165 19| 0.0 4.7 4.7| 20.0 -0.1 19.9 39.8 0.78| 5.3 4.1 1000 287 8 183 17| 9.7 2.3 12.1|106.3 -0.1 106.2 106.2 0.93| 12.4 11.6 1500 292 14 204 15| 7.6 1.6 9.2|140.7 -0.1 140.6 93.8 0.87| 11.6 10.0 2000 299 17 217 14| 5.7 1.2 6.9|155.2 -0.1 155.2 77.6 0.82| 10.5 8.6 2500 306 19 227 12| 4.7 0.9 5.6|165.1 -0.1 165.0 66.0 0.80| 9.8 7.8 3000 311 20 234 10| 3.9 1.2 5.1|165.3 -2.6 162.6 54.2 0.73| 8.7 6.3 4000 315 22 247 10| 2.9 1.7 4.6|165.3 -11.6 153.6 38.4 0.59| 7.3 4.3 5000 313 24 254 11| 2.3 2.1 4.4|170.7 -24.9 145.8 29.2 0.48| 6.7 3.2 6000 311 27 264 14| 1.9 3.3 5.2|236.1 -24.9 211.2 35.2 0.47| 7.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251205.00.gif