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 U3078... Searching the city database file for: U3078 ... Date:1200Z 4 DEC 25 Station: U3078 WMO ident: 23078 Latitude: 69.33 Longitude: 88.10 ------------------------------------------------------------------------------- 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 19 290 5 SFC 994 62 -31.3 -34.9 70 3.6 -31.5 290 5 242.3 242.3 242.1 242.8 0.20 2 964 282 -23.5 -27.7 68 4.2 -23.9 305 5 252.3 252.3 251.6 253.4 0.41 3 925 585 -22.5 -25.8 74 3.3 -22.9 325 5 256.3 256.4 255.2 257.7 0.50 4 872 1019 -21.9 -25.5 73 3.6 -22.4 339 12 261.3 261.4 259.3 262.8 0.55 5 850 1207 -21.3 -25.5 69 4.2 -21.8 345 15 263.8 263.9 261.3 265.4 0.56 6 812 1545 -20.5 -25.4 65 4.9 -21.2 340 16 268.2 268.3 264.6 269.9 0.60 7 748 2152 -22.3 -28.3 58 6.0 -23.1 332 18 272.6 272.7 267.4 274.0 0.50 8 700 2638 -24.1 -33.1 43 9.0 -25.1 325 19 275.8 275.9 269.2 276.8 0.34 9 635 3340 -28.9 -36.9 46 8.0 -29.6 325 20 278.1 278.2 270.5 278.9 0.25 10 554 4302 -34.7 -43.7 40 9.0 -35.2 325 22 282.3 282.4 272.8 282.8 0.14 11 500 5010 -39.3 -49.3 34 10.0 -39.7 325 23 285.1 285.1 274.2 285.4 0.09 12 463 5531 -41.9 -52.9 29 11.0 -42.3 327 21 288.2 288.2 275.9 288.4 0.06 13 400 6500 -49.5 -61.5 23 12.0 -49.7 330 17 290.7 290.7 277.0 290.7 0.02 14 390 6666 -50.3 -62.3 23 12.0 -50.5 331 17 291.7 291.7 277.6 291.8 0.02 15 336 7627 -56.5 -67.5 24 11.0 -56.6 337 17 296.0 296.0 279.6 296.0 0.01 16 308 8175 -60.1 -71.1 22 11.0 -60.2 340 17 298.4 298.4 280.6 298.4 0.01 17 300 8340 -59.1 -70.1 23 11.0 -59.2 345 15 302.0 302.0 282.2 302.1 0.01 18 291 8532 -59.3 -69.3 26 10.0 -59.4 344 14 304.4 304.4 283.2 304.4 0.01 19 250 9490 -59.1 -69.1 26 10.0 -59.2 340 9 318.2 318.2 288.2 318.3 0.01 20 232 9957 -58.1 -68.1 27 10.0 -58.2 332 9 326.6 326.6 290.7 326.7 0.02 21 200 10890 -57.1 -68.1 24 11.0 -57.3 315 9 342.3 342.3 294.9 342.4 0.02 22 178 11626 -58.5 -70.5 20 12.0 -58.7 319 12 351.7 351.7 297.0 351.7 0.02 23 155 12495 -59.5 -72.5 17 13.0 -59.7 324 16 364.1 364.1 299.5 364.2 0.01 24 150 12700 -59.5 -72.5 17 13.0 -59.7 325 17 367.6 367.6 300.1 367.6 0.01 25 141 13088 -58.9 -71.9 17 13.0 -59.1 324 17 375.2 375.2 301.5 375.3 0.02 26 121 14043 -61.3 -74.3 16 13.0 -61.5 322 17 387.6 387.6 303.5 387.6 0.01 27 100 15220 -63.3 -77.3 13 14.0 -63.5 320 17 405.4 405.4 305.9 405.5 0.01 28 78 16736 -65.9 -80.9 11 15.0 -66.1 323 20 429.9 429.9 308.8 429.9 0.01 29 70 17390 -67.1 -82.1 10 15.0 -67.2 325 21 440.8 440.8 310.0 440.9 0.01 30 61 18218 -68.5 -83.5 10 15.0 -68.7 319 20 455.4 455.4 311.4 455.4 0.01 31 50 19400 -71.9 -86.9 9 15.0 -72.0 310 19 474.1 474.1 313.0 474.1 0.00 32 42 20423 -73.9 -88.9 8 15.0 -74.0 493.3 493.3 314.5 493.4 0.00 33 39 20853 -75.9 -75.9 100 0.0 -75.9 498.9 498.9 314.9 499.1 0.03 34 34 21647 -75.1 -89.1 10 14.0 -75.2 520.9 520.9 316.4 520.9 0.00 35 30 22373 -75.1 -89.1 10 14.0 -75.2 539.9 539.9 317.5 539.9 0.00 TRP 308 8175 -60.1 -71.1 22 11.0 -60.2 340 17 298.4 298.4 280.6 298.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 4991.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 53.31 % Est. max temperature: -9.11 C = 15.61 F Sfc-Lift cond lev (LCL): 934.93 mb = 506.75 m = 1662.55 ft T: -22.76 C 700-500 lapse rate: 6.41 C/km ThetaE index: 0.00 C Layer 994.0--142227396578952111086143744166068224.0 mb Conv cond level (CCL): 994.00 mb = 61.65 m = 202.25 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -26.73 C = -16.11 F Cap Strength: 23.52 C Lifted Index: 25.10 C Risk: None Lifted Index @300 mb: 33.63 C Lifted Index @700 mb: 19.47 C Showalter Index: 16.26 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 13.80 C K Index: -16.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.51 J/kg Max Up Vert Vel: 10.35 m/s Conv Inhibition (B-): 48604.00 J/kg Cap Strength: 25.03 C Lift Cond Lev (LCL): 892.45 mb = 848.33 m = 2783.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 at 13 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 ---------------------------------------------------------- 0 994 62 290 5 4.7 -1.7 | 200 12 4.2 11.5 1 925 585 325 5 2.9 -4.1 | 195 9 2.3 9.1 2 850 1207 345 15 3.9 -14.5 | 291 4 3.4 -1.3 3 700 2638 325 19 10.9 -15.6 | 283 11 10.4 -2.4 4 500 5010 325 23 13.2 -18.8 | 294 14 12.7 -5.7 5 400 6500 330 17 8.5 -14.7 | 281 8 8.0 -1.6 6 308 8175 340 17 5.8 -16.0 | 298 6 5.3 -2.8 7 300 8340 345 15 3.9 -14.5 | 291 4 3.4 -1.3 8 250 9490 340 9 3.1 -8.5 | 209 5 2.6 4.7 9 200 10890 315 9 6.4 -6.4 | 221 9 5.8 6.8 10 150 12700 325 17 9.8 -13.9 | 275 9 9.2 -0.8 11 100 15220 320 17 10.9 -13.0 | 269 10 10.4 0.1 12 70 17390 325 21 12.0 -17.2 | 289 12 11.5 -4.0 13 50 19400 310 19 14.6 -12.2 | 266 14 14.0 1.0 Wind Parameters Mean winds (0-6000m): 327.7 at 17.6 knts Storm direction: 357.7 at 13.2 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 85.4 deg Storm rel helicity (0-3000m) pos: 13.2 neg: -4.9 tot: 8.3 m^2/s^2 ave: 2.8 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.38 Bulk Shear: 22.47 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 ------------------------------------------------------------------------------- 500 307 5 199 11| 3.0 0.0 3.0| 0.0 -2.5 -2.5 -4.9 -0.31| 3.0 -0.9 1000 325 7 204 8| 5.3 0.0 5.3| 9.4 -2.5 7.0 7.0 0.44| 5.7 2.5 1500 335 9 217 6| 3.5 1.1 4.6| 11.9 -2.5 9.4 6.3 0.49| 5.2 2.5 2000 336 11 235 5| 2.6 1.3 3.9| 11.9 -3.2 8.8 4.4 0.40| 4.5 1.8 2500 333 13 250 5| 2.1 1.5 3.6| 11.9 -4.6 7.3 2.9 0.32| 4.2 1.3 3000 332 14 259 6| 1.8 1.4 3.2| 13.2 -4.9 8.3 2.8 0.32| 3.7 1.2 4000 329 15 271 7| 1.3 1.3 2.6| 16.4 -4.9 11.5 2.9 0.34| 3.0 1.0 5000 328 17 278 9| 1.1 1.1 2.2| 19.2 -4.9 14.3 2.9 0.35| 2.5 0.9 6000 328 18 281 9| 0.7 0.9 1.7| 19.2 -9.1 10.2 1.7 0.25| 2.5 0.6 Wrote GIF file: /home/apache/climate/data/raob//U3078/skewt/U3078.skewt.20251204.12.gif