UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 17 OCT 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1014 4 28.2 24.7 81 3.5 25.6 65 5 300.2 303.8 298.3 357.9 19.67 1 1000 126 27.0 23.8 83 3.2 24.6 70 15 300.1 303.6 297.8 355.6 18.88 2 954 542 23.0 23.0 100 0.0 23.0 79 15 300.2 303.6 297.8 355.5 18.85 3 925 812 22.0 22.0 100 0.0 22.0 85 15 301.8 305.2 297.8 355.8 18.28 4 895 1099 19.4 18.8 96 0.6 19.0 89 15 302.0 304.8 296.1 347.5 15.44 5 850 1545 18.6 13.6 73 5.0 15.3 95 15 305.6 307.8 294.4 340.4 11.60 6 843 1616 18.4 12.4 68 6.0 14.5 95 15 306.1 308.2 294.0 338.6 10.80 7 782 2257 15.0 7.0 59 8.0 10.2 93 12 309.1 310.7 292.7 333.8 8.06 8 758 2520 13.0 9.3 78 3.7 10.7 92 10 309.7 311.6 294.2 339.5 9.75 9 739 2734 12.4 5.4 62 7.0 8.2 91 9 311.4 312.8 293.0 334.9 7.63 10 731 2825 13.2 2.2 47 11.0 7.0 91 9 313.2 314.4 292.4 332.4 6.14 11 712 3047 12.2 -1.8 38 14.0 4.8 90 8 314.5 315.4 291.6 329.4 4.71 12 700 3189 10.8 -0.2 46 11.0 4.8 90 7 314.4 315.5 292.1 331.5 5.39 13 640 3929 5.6 -1.4 61 7.0 1.9 114 7 316.7 317.7 292.8 333.9 5.40 14 622 4162 4.4 -1.6 65 6.0 1.3 122 7 317.9 319.0 293.2 335.5 5.48 15 615 4254 4.4 -7.6 41 12.0 -1.2 125 7 319.0 319.6 291.8 330.4 3.51 16 594 4536 2.2 -4.8 60 7.0 -1.3 134 7 319.6 320.5 292.9 334.2 4.51 17 503 5863 -4.9 -19.9 30 15.0 -10.0 178 7 326.5 326.8 292.3 332.0 1.57 18 501 5894 -4.9 -12.9 53 8.0 -8.2 179 7 326.9 327.4 293.4 336.5 2.83 19 500 5910 -4.9 -13.9 49 9.0 -8.5 180 7 327.1 327.6 293.3 336.0 2.61 20 495 5989 -4.3 -20.3 27 16.0 -9.8 175 7 328.7 329.0 292.8 334.2 1.54 21 489 6085 -5.1 -19.1 32 14.0 -10.1 168 7 328.9 329.3 293.0 335.0 1.73 22 420 7259 -13.5 -29.5 25 16.0 -17.4 86 10 332.8 332.9 293.2 335.7 0.79 23 410 7442 -12.9 -44.9 5 32.0 -18.3 73 11 335.8 335.9 293.4 336.5 0.17 24 409 7461 -12.9 -43.9 6 31.0 -18.3 72 11 336.1 336.1 293.5 336.8 0.19 25 400 7630 -13.7 -43.7 6 30.0 -18.8 60 11 337.2 337.2 293.8 338.0 0.20 26 351 8611 -21.7 -30.7 44 9.0 -23.7 58 17 339.2 339.4 294.9 342.4 0.84 27 342 8802 -22.7 -39.7 20 17.0 -25.5 57 19 340.4 340.5 294.7 341.8 0.35 28 322 9242 -26.7 -37.7 35 11.0 -28.5 56 22 340.8 340.9 295.0 342.6 0.46 29 300 9750 -30.5 -44.5 24 14.0 -32.1 55 25 342.4 342.4 295.1 343.4 0.24 30 280 10237 -33.9 -50.9 16 17.0 -35.3 49 27 344.3 344.3 295.5 344.8 0.13 31 250 11020 -41.1 -49.1 42 8.0 -41.6 40 29 345.0 345.0 295.7 345.7 0.18 32 249 11047 -41.5 -49.5 42 8.0 -42.1 40 29 344.8 344.8 295.6 345.5 0.17 33 227 11665 -46.7 -57.7 27 11.0 -47.1 42 25 346.1 346.1 295.8 346.4 0.07 34 200 12490 -52.9 -68.9 13 16.0 -53.2 45 19 349.0 349.0 296.4 349.1 0.02 35 195 12653 -53.9 -71.9 9 18.0 -54.2 38 19 349.9 349.9 296.6 350.0 0.01 36 182 13094 -57.7 -67.7 27 10.0 -57.9 19 20 350.7 350.7 296.8 350.8 0.02 37 180 13164 -58.3 -61.8 64 3.5 -58.4 16 20 350.9 350.9 296.8 351.1 0.05 38 177 13270 -58.7 -70.7 20 12.0 -58.9 11 20 351.9 351.9 297.1 352.0 0.02 39 150 14290 -67.7 -72.0 54 4.3 -67.7 325 21 353.5 353.5 297.4 353.5 0.02 40 140 14702 -68.9 -80.9 16 12.0 -68.9 345 20 358.4 358.4 298.4 358.4 0.00 41 121 15558 -75.3 -79.2 54 3.9 -75.3 29 18 362.0 362.0 299.1 362.0 0.01 42 115 15851 -75.9 -81.9 38 6.0 -75.9 44 17 366.1 366.1 299.9 366.2 0.00 43 104 16427 -77.7 -84.7 31 7.0 -77.7 73 16 373.4 373.4 301.2 373.4 0.00 44 100 16650 -79.3 -85.3 37 6.0 -79.3 85 15 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 565.80 mb = 4947.41 m = 16231.46 ft Wetbulb zero: 618.44 mb = 4208.92 m = 13808.63 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 62.91 % Est. max temperature: 32.53 C = 90.56 F Sfc-Lift cond lev (LCL): 964.33 mb = 446.68 m = 1465.48 ft T: 23.92 C 700-500 lapse rate: 5.77 C/km ThetaE index: 21.96 C Layer 895.0- 758.0 mb Conv cond level (CCL): 948.11 mb = 596.02 m = 1955.42 ft Mean mixing ratio: 18.70 g/kg Conv temperature: 28.54 C = 83.37 F Cap Strength: 0.01 C Lifted Index: -3.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.09 C Lifted Index @700 mb: -1.29 C Showalter Index: 1.70 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.50 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1751.93 J/kg Max Up Vert Vel: 59.19 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.02 C Lift Cond Lev (LCL): 947.14 mb = 604.96 m = 1984.75 ft Lev Free Conv (LFC): 942.14 mb = 651.29 m = 2136.74 ft Equ Level (EL): 142.14 mb = 14611.48 m = 47937.33 ft B at Equ Level: 1737.02 J/kg Wind level data Storm motion: 130 at 7 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 1014 4 65 5 -4.5 -2.1 | 351 7 1.1 -7.0 1 1000 126 70 15 -14.1 -5.1 | 40 13 -8.4 -10.0 2 925 812 85 15 -14.9 -1.3 | 56 11 -9.3 -6.2 3 850 1545 95 15 -14.9 1.3 | 69 10 -9.3 -3.5 4 700 3189 90 7 -7.0 0.0 | 15 5 -1.3 -4.8 5 500 5910 180 7 0.0 7.0 | 249 6 5.7 2.2 6 400 7630 60 11 -9.5 -5.5 | 20 11 -3.8 -10.3 7 300 9750 55 25 -20.5 -14.3 | 38 24 -14.8 -19.2 8 250 11020 40 29 -18.6 -22.2 | 26 30 -13.0 -27.1 9 200 12490 45 19 -13.4 -13.4 | 23 20 -7.8 -18.3 10 150 14290 325 21 12.0 -17.2 | 321 28 17.7 -22.0 11 100 16650 85 15 -14.9 -1.3 | 56 11 -9.3 -6.2 Wind Parameters Mean winds (0-6000m): 100.5 at 10.0 knts Storm direction: 130.5 at 7.5 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 34.4 deg Storm rel helicity (0-3000m) pos: 35.7 neg: -9.6 tot: 26.1 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.5 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 293.78 Bulk Shear: 5.96 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 73 14 40 12| 10.5 0.0 10.5| 24.9 0.0 24.9 49.7 0.84| 12.5 10.5 1000 78 14 48 11| 5.4 0.0 5.4| 31.3 0.0 31.3 31.3 0.84| 7.5 6.3 1500 83 15 53 11| 3.7 0.0 3.7| 35.7 0.0 35.7 23.8 0.85| 5.6 4.8 2000 86 14 56 11| 2.8 0.6 3.4| 35.7 -3.0 32.7 16.4 0.68| 4.8 3.3 2500 87 14 56 10| 2.2 1.0 3.2| 35.7 -6.4 29.3 11.7 0.52| 4.3 2.2 3000 88 13 54 9| 1.9 1.2 3.1| 35.7 -9.6 26.1 8.7 0.37| 4.0 1.5 4000 90 12 50 8| 1.4 0.9 2.3| 36.1 -10.8 25.3 6.3 0.30| 3.6 1.1 5000 95 11 51 6| 1.1 0.7 1.9| 36.1 -11.2 24.9 5.0 0.20| 3.3 0.7 6000 100 10 54 5| 0.9 0.6 1.5| 36.9 -11.9 25.0 4.2 0.18| 3.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251017.00.gif