UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 9 OCT 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 137 SFC 987 247 12.6 7.6 72 5.0 9.9 45 5 286.8 288.0 283.6 305.5 6.64 2 950 566 9.8 4.8 71 5.0 7.2 69 12 287.1 288.1 282.7 303.2 5.68 3 925 788 10.2 4.2 66 6.0 7.1 85 17 289.7 290.7 283.7 305.7 5.59 4 914 888 10.2 3.2 62 7.0 6.6 87 16 290.7 291.7 283.7 305.9 5.27 5 856 1428 4.8 -1.2 65 6.0 2.1 99 11 290.6 291.3 282.4 302.5 4.09 6 850 1485 4.8 -1.2 65 6.0 2.1 100 11 291.2 291.9 282.7 303.2 4.12 7 827 1708 4.6 -1.4 65 6.0 1.8 108 11 293.3 294.0 283.6 305.5 4.17 8 747 2528 -1.7 -9.7 54 8.0 -4.7 140 11 295.1 295.5 282.4 302.5 2.45 9 743 2570 -2.1 -8.1 63 6.0 -4.4 142 11 295.1 295.6 282.8 303.5 2.79 10 700 3043 -3.3 -6.4 79 3.1 -4.6 160 11 298.8 299.4 284.9 309.1 3.38 11 654 3578 -4.9 -6.3 90 1.4 -5.5 160 11 302.9 303.6 286.8 314.1 3.65 12 629 3883 -5.5 -7.5 86 2.0 -6.3 160 10 305.6 306.2 287.5 316.3 3.46 13 500 5640 -17.3 -21.7 69 4.4 -18.4 160 9 311.9 312.2 287.6 316.4 1.35 14 418 6963 -26.3 -32.3 57 6.0 -27.2 164 17 316.8 316.9 288.4 318.9 0.61 15 400 7280 -29.9 -36.9 51 7.0 -30.7 165 19 316.1 316.2 287.9 317.6 0.40 16 374 7755 -33.7 -43.7 36 10.0 -34.6 169 23 317.2 317.3 288.1 318.0 0.21 17 316 8912 -43.5 -52.5 36 9.0 -43.9 177 32 319.3 319.3 288.6 319.6 0.09 18 300 9260 -45.5 -54.5 36 9.0 -45.9 180 35 321.2 321.2 289.2 321.5 0.08 19 251 10434 -52.7 -60.7 37 8.0 -52.9 195 29 327.3 327.4 291.0 327.5 0.04 20 250 10460 -52.7 -60.7 37 8.0 -52.9 195 29 327.7 327.7 291.1 327.9 0.04 21 200 11900 -52.7 -61.7 33 9.0 -52.9 200 13 349.3 349.3 296.5 349.5 0.05 22 177 12690 -51.3 -61.3 29 10.0 -51.7 204 11 364.0 364.0 299.5 364.3 0.06 23 150 13760 -53.3 -66.3 19 13.0 -53.7 210 9 378.2 378.2 302.0 378.4 0.03 24 113 15570 -56.7 -71.7 13 15.0 -57.1 403.8 403.8 305.7 403.9 0.02 TRP 251 10434 -52.7 -60.7 37 8.0 -52.9 195 29 327.3 327.4 291.0 327.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5503.00 m Freezing level: 768.59 mb = 2306.58 m = 7567.41 ft Wetbulb zero: 804.41 mb = 1931.42 m = 6336.62 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 72.40 % Est. max temperature: 18.10 C = 64.58 F Sfc-Lift cond lev (LCL): 915.26 mb = 876.07 m = 2874.22 ft T: 10.20 C 700-500 lapse rate: 5.39 C/km ThetaE index: 3.43 C Layer 856.0- 850.0 mb Conv cond level (CCL): 794.34 mb = 2032.85 m = 6669.38 ft Mean mixing ratio: 5.62 g/kg Conv temperature: 19.74 C = 67.53 F Cap Strength: 7.02 C Lifted Index: 8.40 C Risk: None Lifted Index @300 mb: 11.84 C Lifted Index @700 mb: 3.51 C Showalter Index: 9.49 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 16.10 C K Index: 17.80 Risk: < 20 % chance of thunderstorms Sweat Index: 31.00 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.80 J/kg Max Up Vert Vel: 6.60 m/s Conv Inhibition (B-): 10738.92 J/kg Cap Strength: 8.29 C Lift Cond Lev (LCL): 857.51 mb = 1413.09 m = 4636.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 167 at 8 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 ---------------------------------------------------------- 0 987 247 45 5 -3.5 -3.5 | 8 12 -1.7 -11.5 1 925 788 85 17 -16.9 -1.5 | 58 18 -15.1 -9.4 2 850 1485 100 11 -10.8 1.9 | 56 11 -9.0 -6.0 3 700 3043 160 11 -3.8 10.3 | 141 3 -1.9 2.4 4 500 5640 160 9 -3.1 8.5 | 113 1 -1.2 0.5 5 400 7280 165 19 -4.9 18.4 | 164 11 -3.1 10.4 6 300 9260 180 35 0.0 35.0 | 184 27 1.9 27.1 7 251 10434 195 29 7.5 28.0 | 205 22 9.4 20.1 8 250 10460 195 29 7.5 28.0 | 205 22 9.4 20.1 9 200 11900 200 13 4.4 12.2 | 236 8 6.3 4.3 10 150 13760 210 9 4.5 7.8 | 271 6 6.4 -0.1 Wind Parameters Mean winds (0-6000m): 136.9 at 10.9 knts Storm direction: 166.9 at 8.2 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 132.0 deg Storm rel helicity (0-3000m) pos: 66.6 neg: -1.6 tot: 65.0 m^2/s^2 ave: 21.7 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.37 Bulk Shear: 15.94 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 75 11 38 14| 12.8 0.0 12.8| 45.8 0.0 45.8 91.6 0.89| 13.5 12.1 1000 83 13 49 14| 5.4 0.0 5.4| 52.3 -0.3 52.0 52.0 0.71| 9.5 6.7 1500 88 12 52 13| 3.4 0.0 3.4| 55.7 -1.6 54.2 36.1 0.62| 7.8 4.8 2000 95 12 56 12| 3.0 0.0 3.0| 61.1 -1.6 59.5 29.8 0.62| 6.8 4.2 2500 103 12 61 11| 2.7 0.0 2.7| 64.8 -1.6 63.3 25.3 0.64| 6.2 3.9 3000 111 12 67 10| 2.4 0.0 2.4| 66.6 -1.6 65.0 21.7 0.65| 5.6 3.6 4000 123 11 77 8| 1.8 0.1 1.9| 66.6 -1.8 64.8 16.2 0.62| 4.3 2.7 5000 131 11 84 6| 1.4 0.2 1.6| 66.6 -2.0 64.6 12.9 0.60| 3.5 2.1 6000 137 11 90 6| 1.5 0.1 1.6| 67.7 -2.1 65.6 10.9 0.57| 3.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251009.12.gif