UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 7 DEC 25 Station: OI738 WMO ident: 40738 ------------------------------------------------------------------------------- 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 1021 -10 17.0 8.0 55 9.0 12.0 280 4 288.4 289.6 284.2 307.1 6.60 1 1014 48 16.8 5.8 48 11.0 10.9 275 4 288.8 289.8 283.4 305.0 5.70 2 1000 166 15.6 5.6 51 10.0 10.2 265 5 288.8 289.8 283.4 305.0 5.70 3 961 502 12.6 3.6 54 9.0 8.0 209 4 289.0 289.9 282.9 303.8 5.15 4 953 572 12.2 2.2 50 10.0 7.2 197 4 289.3 290.1 282.5 302.8 4.70 5 930 778 13.4 -2.6 33 16.0 6.0 163 3 292.6 293.2 282.4 302.6 3.39 6 925 823 14.0 -3.0 31 17.0 6.1 155 3 293.6 294.2 282.8 303.4 3.31 7 907 1000 15.4 -0.6 33 16.0 7.5 183 5 296.7 297.4 284.8 308.7 4.03 8 850 1583 13.0 -3.0 33 16.0 5.4 275 10 299.8 300.4 285.5 310.7 3.60 9 844 1641 12.6 -4.4 30 17.0 4.7 275 10 300.0 300.5 285.2 309.9 3.26 10 749 2599 3.8 -8.2 41 12.0 -1.2 275 17 300.8 301.3 285.1 309.3 2.75 11 725 2856 3.0 -10.0 38 13.0 -2.2 275 18 302.8 303.2 285.5 310.4 2.46 12 700 3132 0.8 -9.2 47 10.0 -3.2 275 20 303.4 303.9 286.0 311.8 2.72 13 559 4895 -12.7 -15.1 82 2.4 -13.5 275 31 307.6 308.0 286.9 314.4 2.12 14 500 5740 -17.3 -21.5 70 4.2 -18.4 275 37 311.9 312.2 287.6 316.5 1.37 15 400 7380 -29.1 -38.1 42 9.0 -30.2 270 43 317.2 317.2 288.2 318.5 0.36 16 390 7561 -30.5 -41.5 33 11.0 -31.6 271 45 317.6 317.7 288.3 318.6 0.26 17 360 8126 -35.3 -40.0 62 4.7 -35.7 275 50 318.6 318.6 288.6 319.8 0.33 18 338 8563 -38.9 -45.9 48 7.0 -39.4 279 55 319.5 319.5 288.8 320.1 0.19 19 318 8979 -42.7 -47.7 58 5.0 -43.0 282 59 319.8 319.8 288.9 320.4 0.16 20 300 9370 -46.3 -52.3 51 6.0 -46.6 285 63 320.1 320.1 288.9 320.5 0.10 21 258 10358 -53.7 -61.7 37 8.0 -53.9 297 70 323.3 323.3 289.8 323.5 0.04 22 250 10560 -55.1 -63.1 36 8.0 -55.2 300 71 324.1 324.2 290.0 324.3 0.03 23 216 11477 -61.5 -67.5 45 6.0 -61.6 300 87 328.1 328.1 291.2 328.2 0.02 24 208 11710 -62.7 -68.7 44 6.0 -62.7 300 91 329.8 329.8 291.7 329.9 0.02 25 200 11950 -63.9 -69.9 44 6.0 -64.0 300 90 331.6 331.6 292.2 331.6 0.02 26 176 12729 -67.1 -75.1 31 8.0 -67.1 300 81 338.7 338.7 294.0 338.7 0.01 27 167 13046 -68.5 -75.5 36 7.0 -68.5 300 77 341.4 341.4 294.7 341.5 0.01 28 165 13118 -68.7 -75.7 36 7.0 -68.7 300 76 342.3 342.3 294.8 342.3 0.01 29 150 13690 -68.5 -76.5 31 8.0 -68.5 280 68 352.1 352.1 297.1 352.1 0.01 30 145 13894 -69.1 -77.1 30 8.0 -69.1 279 67 354.5 354.5 297.6 354.5 0.01 31 101 16118 -59.7 -76.7 9 17.0 -60.0 265 58 411.2 411.2 306.7 411.3 0.01 32 100 16180 -59.9 -76.9 9 17.0 -60.2 265 58 412.0 412.0 306.7 412.0 0.01 33 81 17490 -63.5 -83.5 5 20.0 -63.7 271 53 430.2 430.2 308.9 430.2 0.00 34 70 18400 -58.7 -82.7 3 24.0 -59.2 275 50 458.8 458.8 311.7 458.8 0.01 35 69 18491 -58.5 -82.5 3 24.0 -59.0 274 49 461.1 461.1 311.9 461.2 0.01 36 59 19466 -63.5 -88.5 2 25.0 -63.8 262 44 471.0 471.0 312.7 471.0 0.00 37 53 20133 -59.1 -87.1 1 28.0 -59.7 254 40 495.9 495.9 314.7 495.9 0.00 38 51 20375 -57.9 -85.9 2 28.0 -58.6 251 39 504.2 504.2 315.2 504.2 0.00 39 50 20500 -58.1 -86.1 2 28.0 -58.8 250 38 506.6 506.6 315.4 506.6 0.00 40 41 21736 -62.5 -89.5 1 27.0 -63.0 260 41 525.2 525.2 316.6 525.2 0.00 41 30 23680 -58.7 -86.7 2 28.0 -59.7 275 46 584.6 584.6 319.9 584.7 0.01 42 27 24342 -59.7 -86.7 2 27.0 -60.7 276 48 599.7 599.7 320.6 599.7 0.01 43 24 25084 -58.1 -85.1 2 27.0 -59.5 278 50 624.9 624.9 321.7 625.0 0.01 44 20 26230 -59.9 -85.9 2 26.0 -61.2 280 54 652.8 652.8 322.8 652.9 0.01 45 16 27634 -56.9 -83.9 2 27.0 -59.0 705.6 705.6 324.6 705.8 0.02 46 14 28478 -57.5 -84.5 2 27.0 -59.7 731.1 731.1 325.4 731.2 0.02 TRP 165 13118 -68.7 -75.7 36 7.0 -68.7 300 76 342.3 342.3 294.8 342.3 0.01 WND 208 11710 -62.7 -68.7 44 6.0 -62.7 300 91 329.8 329.8 291.7 329.9 0.02 Sounding variables and indices 1000-500 mb thick: 5574.00 m Freezing level: 691.64 mb = 3236.50 m = 10618.29 ft Wetbulb zero: 767.68 mb = 2401.20 m = 7877.86 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 52.98 % Est. max temperature: 27.25 C = 81.05 F Sfc-Lift cond lev (LCL): 892.37 mb = 1146.25 m = 3760.63 ft T: 14.80 C 700-500 lapse rate: 6.94 C/km ThetaE index: 4.52 C Layer 1014.0- 925.0 mb Conv cond level (CCL): 668.05 mb = 3498.19 m = 11476.85 ft Mean mixing ratio: 4.95 g/kg Conv temperature: 32.97 C = 91.34 F Cap Strength: 9.81 C Lifted Index: 8.93 C Risk: None Lifted Index @300 mb: 11.57 C Lifted Index @700 mb: 7.99 C Showalter Index: 4.59 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 14.30 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 1.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.29 J/kg Max Up Vert Vel: 6.05 m/s Conv Inhibition (B-): 44113.49 J/kg Cap Strength: 9.81 C Lift Cond Lev (LCL): 821.81 mb = 1854.49 m = 6084.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 15 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 1021 -10 280 4 3.9 -0.7 | 132 11 -8.3 7.5 1 1000 166 265 5 5.0 0.4 | 140 11 -7.2 8.7 2 925 823 155 3 -1.3 2.7 | 129 17 -13.5 10.9 3 850 1583 275 10 10.0 -0.9 | 163 8 -2.2 7.3 4 700 3132 275 20 19.9 -1.7 | 230 10 7.7 6.5 5 500 5740 275 37 36.9 -3.2 | 259 25 24.7 5.0 6 400 7380 270 43 43.0 -0.0 | 255 32 30.8 8.2 7 300 9370 285 63 60.9 -16.3 | 279 49 48.6 -8.1 8 250 10560 300 71 61.5 -35.5 | 299 56 49.3 -27.3 9 208 11710 300 91 78.8 -45.5 | 299 76 66.6 -37.3 10 200 11950 300 90 77.9 -45.0 | 299 75 65.7 -36.8 11 165 13118 300 76 65.8 -38.0 | 299 61 53.6 -29.8 12 150 13690 280 68 67.0 -11.8 | 274 55 54.8 -3.6 13 100 16180 265 58 57.8 5.1 | 254 47 45.6 13.3 14 70 18400 275 50 49.8 -4.4 | 264 38 37.6 3.9 15 50 20500 250 38 35.7 13.0 | 228 32 23.5 21.2 16 30 23680 275 46 45.8 -4.0 | 263 34 33.6 4.2 17 20 26230 280 54 53.2 -9.4 | 272 41 41.0 -1.2 Wind Parameters Mean winds (0-6000m): 274.0 at 19.6 knts Storm direction: 304.0 at 14.7 knts Shear (0-3000m) pos: 2.3 neg: 0.9 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 93.7 deg Storm rel helicity (0-3000m) pos: 59.4 neg: -14.1 tot: 45.4 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.57 Bulk Shear: 31.84 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 ------------------------------------------------------------------------------- 500 253 5 140 12| 0.0 4.7 4.7| 5.7 -2.8 2.9 5.8 0.20| 6.0 1.2 1000 231 4 140 14| 0.0 3.3 3.3| 14.8 -14.1 0.7 0.7 0.05| 5.7 0.3 1500 242 5 143 13| 3.2 2.2 5.4| 41.9 -14.1 27.8 18.5 0.34| 7.4 2.5 2000 262 6 147 11| 3.5 1.7 5.2| 47.3 -14.1 33.2 16.6 0.37| 6.9 2.6 2500 268 8 154 9| 2.8 1.0 3.8| 53.4 -14.1 39.3 15.7 0.44| 6.2 2.7 3000 270 10 163 9| 2.3 0.9 3.3| 59.4 -14.1 45.4 15.1 0.48| 5.7 2.7 4000 273 13 185 8| 1.8 1.3 3.0| 71.7 -14.1 57.6 14.4 0.50| 5.1 2.5 5000 273 16 209 8| 1.4 1.6 3.1| 84.0 -14.1 69.9 14.0 0.49| 4.8 2.3 6000 274 20 227 10| 1.2 1.9 3.0| 93.0 -15.3 77.7 12.9 0.46| 4.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20251207.12.gif