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 OI738... Searching the city database file for: OI738 ... Date:1200Z 4 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 1028 -10 15.0 8.0 63 7.0 11.2 90 2 285.9 287.0 283.1 304.2 6.55 1 1022 39 14.4 7.4 63 7.0 10.6 73 3 285.8 286.9 282.8 303.5 6.32 2 1000 222 12.6 7.6 72 5.0 9.9 10 9 285.8 286.9 283.0 304.1 6.55 3 925 870 6.8 4.8 87 2.0 5.8 55 5 286.3 287.3 282.4 302.7 5.83 4 891 1177 5.0 3.3 89 1.7 4.2 6 4 287.5 288.4 282.5 302.9 5.45 5 850 1560 1.8 -0.5 85 2.3 0.8 305 2 288.0 288.8 281.5 300.5 4.34 6 709 2998 -12.1 -16.1 72 4.0 -13.2 244 9 288.0 288.3 278.0 292.6 1.53 7 700 3097 -7.3 -9.4 85 2.1 -8.1 240 10 294.4 294.9 282.4 302.4 2.68 8 641 3774 -12.1 -15.9 73 3.8 -13.2 250 16 296.5 296.8 282.1 301.8 1.73 9 636 3834 -11.9 -14.5 81 2.6 -12.7 251 16 297.3 297.7 282.7 303.4 1.95 10 630 3906 -12.3 -14.8 82 2.5 -13.0 253 17 297.7 298.0 282.8 303.6 1.92 11 606 4201 -15.1 -24.1 46 9.0 -17.0 257 19 297.8 298.0 281.6 300.7 0.90 12 591 4389 -15.3 -20.3 66 5.0 -16.5 260 21 299.7 299.9 282.9 303.8 1.29 13 580 4531 -16.1 -26.1 42 10.0 -18.1 262 22 300.4 300.5 282.5 302.9 0.78 14 538 5091 -19.5 -25.5 59 6.0 -20.7 271 27 302.9 303.0 283.7 305.8 0.89 15 500 5630 -23.3 -33.3 39 10.0 -24.8 280 32 304.6 304.7 283.9 306.2 0.46 16 487 5823 -24.5 -35.5 35 11.0 -25.9 279 34 305.5 305.5 284.1 306.8 0.38 17 466 6144 -27.1 -34.1 51 7.0 -28.0 278 37 306.1 306.2 284.4 307.7 0.46 18 450 6396 -28.9 -37.9 42 9.0 -29.9 278 40 306.9 307.0 284.6 308.0 0.32 19 400 7230 -35.9 -42.9 49 7.0 -36.4 275 48 308.3 308.4 285.0 309.1 0.22 20 371 7746 -40.1 -46.1 53 6.0 -40.5 276 50 309.5 309.5 285.4 310.1 0.17 21 300 9160 -50.3 -59.3 34 9.0 -50.5 280 57 314.5 314.5 286.9 314.6 0.04 22 250 10350 -52.9 -65.9 19 13.0 -53.1 285 77 327.4 327.4 291.0 327.5 0.02 23 210 11463 -57.3 -70.3 18 13.0 -57.5 285 80 337.3 337.3 293.7 337.4 0.01 24 200 11770 -58.5 -71.5 17 13.0 -58.6 290 69 340.1 340.1 294.4 340.2 0.01 25 190 12091 -58.9 -72.9 15 14.0 -59.0 287 65 344.5 344.5 295.4 344.6 0.01 26 156 13332 -55.9 -71.9 12 16.0 -56.2 277 48 369.6 369.6 300.5 369.7 0.01 27 150 13580 -56.5 -73.5 10 17.0 -56.8 275 45 372.7 372.7 301.1 372.8 0.01 28 125 14734 -59.5 -76.5 9 17.0 -59.7 273 47 387.2 387.2 303.4 387.3 0.01 29 121 14938 -59.1 -76.1 9 17.0 -59.3 272 48 391.6 391.6 304.0 391.6 0.01 30 112 15423 -60.5 -77.5 9 17.0 -60.7 271 49 397.7 397.7 304.9 397.8 0.01 31 109 15592 -60.9 -77.9 9 17.0 -61.2 271 49 400.1 400.1 305.2 400.1 0.01 32 100 16130 -60.5 -77.5 9 17.0 -60.7 270 50 410.8 410.8 306.6 410.9 0.01 33 92 16653 -59.1 -76.1 9 17.0 -59.5 269 53 423.5 423.5 308.2 423.6 0.01 34 74 18014 -62.1 -79.1 9 17.0 -62.4 266 61 444.4 444.4 310.3 444.5 0.01 35 70 18360 -60.5 -77.5 9 17.0 -60.9 265 63 455.0 455.0 311.3 455.0 0.01 36 62 19114 -59.7 -77.7 8 18.0 -60.2 270 60 472.8 472.8 312.9 472.9 0.02 37 50 20440 -64.3 -81.3 8 17.0 -64.6 280 54 492.0 492.0 314.4 492.0 0.01 38 41 21651 -67.1 -83.1 9 16.0 -67.4 280 54 513.7 513.7 315.9 513.8 0.01 39 39 21954 -66.5 -84.5 6 18.0 -66.8 280 54 522.6 522.6 316.5 522.7 0.01 40 37 22275 -65.5 -81.5 9 16.0 -65.8 280 55 533.1 533.1 317.1 533.2 0.01 41 34 22789 -66.9 -82.9 9 16.0 -67.2 280 55 542.5 542.5 317.6 542.6 0.01 42 30 23550 -65.5 -81.5 9 16.0 -66.0 280 55 566.1 566.1 319.0 566.2 0.02 43 20 26030 -61.3 -78.3 9 17.0 -62.3 290 61 648.5 648.6 322.6 648.9 0.04 44 18 26687 -59.1 -77.1 8 18.0 -60.6 675.3 675.3 323.6 675.8 0.06 45 16 27426 -59.1 -77.1 8 18.0 -60.7 698.5 698.5 324.4 699.0 0.07 46 14 28260 -60.7 -78.7 8 18.0 -62.2 720.2 720.2 325.1 720.7 0.06 TRP 210 11463 -58.3 -71.3 17 13.0 -58.5 285 80 335.7 335.7 293.3 335.8 0.01 WND 210 11463 -57.3 -70.3 18 13.0 -57.5 285 80 337.3 337.3 293.7 337.4 0.01 Sounding variables and indices 1000-500 mb thick: 5408.00 m Freezing level: 831.74 mb = 1746.16 m = 5728.79 ft Wetbulb zero: 842.10 mb = 1634.02 m = 5360.89 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 71.07 % Est. max temperature: 16.79 C = 62.22 F Sfc-Lift cond lev (LCL): 925.41 mb = 866.28 m = 2842.10 ft T: 6.83 C 700-500 lapse rate: 6.32 C/km ThetaE index: 10.28 C Layer 850.0- 700.0 mb Conv cond level (CCL): 898.44 mb = 1108.97 m = 3638.30 ft Mean mixing ratio: 6.27 g/kg Conv temperature: 16.34 C = 61.42 F Cap Strength: 2.69 C Lifted Index: 3.25 C Risk: None Lifted Index @300 mb: 7.89 C Lifted Index @700 mb: 0.18 C Showalter Index: 5.33 C Risk: None Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.80 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 36.00 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 166.50 J/kg Max Up Vert Vel: 18.25 m/s Conv Inhibition (B-): 10.10 J/kg Cap Strength: 3.17 C Lift Cond Lev (LCL): 915.78 mb = 952.17 m = 3123.88 ft Lev Free Conv (LFC): 860.78 mb = 1457.59 m = 4782.05 ft Equ Level (EL): 690.78 mb = 3199.00 m = 10495.27 ft B at Equ Level: 165.96 J/kg Max Parcel Lev (MPL): 480.78 mb = 5916.79 m = 19411.79 ft Wind level data Storm motion: 305 at 11 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 1028 -10 90 2 -2.0 0.0 | 119 12 -10.7 6.0 1 1000 222 10 9 -1.6 -8.9 | 74 11 -10.2 -2.9 2 925 870 55 5 -4.1 -2.9 | 104 13 -12.8 3.1 3 850 1560 305 2 1.6 -1.1 | 125 9 -7.0 4.8 4 700 3097 240 10 8.7 5.0 | 180 11 -0.0 11.0 5 500 5630 280 32 31.5 -5.6 | 269 23 22.8 0.4 6 400 7230 275 48 47.8 -4.2 | 267 39 39.1 1.8 7 300 9160 280 57 56.1 -9.9 | 275 48 47.5 -3.9 8 250 10350 285 77 74.4 -19.9 | 282 67 65.7 -13.9 9 210 11463 285 80 77.3 -20.7 | 282 70 68.6 -14.7 10 200 11770 290 69 64.8 -23.6 | 287 59 56.2 -17.6 11 150 13580 275 45 44.8 -3.9 | 267 36 36.2 2.1 12 100 16130 270 50 50.0 -0.0 | 262 42 41.3 6.0 13 70 18360 265 63 62.8 5.5 | 258 55 54.1 11.5 14 50 20440 280 54 53.2 -9.4 | 274 45 44.5 -3.4 15 30 23550 280 55 54.2 -9.6 | 274 46 45.5 -3.6 16 20 26030 290 61 57.3 -20.9 | 287 51 48.6 -14.9 Wind Parameters Mean winds (0-6000m): 274.6 at 14.1 knts Storm direction: 304.6 at 10.5 knts Shear (0-3000m) pos: 0.5 neg: 1.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 59.8 deg Storm rel helicity (0-3000m) pos: 38.1 neg: -29.9 tot: 8.2 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 4.26 Bulk Shear: 39.13 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 20 7 87 11| 0.0 6.8 6.8| 6.2 -28.9 -22.7 -45.4 -0.59| 12.1 -7.1 1000 27 6 91 12| 1.5 3.4 4.9| 17.7 -29.9 -12.1 -12.1 -0.23| 8.6 -2.0 1500 26 5 96 11| 1.0 1.8 2.8| 24.6 -29.9 -5.2 -3.5 -0.04| 7.5 -0.3 2000 16 5 98 10| 0.8 1.7 2.4| 28.4 -29.9 -1.4 -0.7 0.04| 6.4 0.3 2500 352 5 98 8| 0.6 1.7 2.3| 33.8 -29.9 3.9 1.6 0.15| 5.8 0.9 3000 312 5 117 5| 0.5 1.7 2.2| 38.1 -29.9 8.2 2.7 0.20| 5.5 1.1 4000 266 7 169 7| 1.3 1.2 2.5| 64.4 -29.9 34.5 8.6 0.35| 5.3 1.9 5000 267 10 195 7| 1.9 1.0 2.9|104.2 -29.9 74.3 14.9 0.46| 5.4 2.4 6000 275 14 228 7| 2.4 0.8 3.3|139.6 -30.0 109.6 18.3 0.48| 5.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20251204.12.gif