UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052700.upa.cvt Date: 0000Z 27 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 27 MAY 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 135 SFC 987 247 16.6 10.6 68 6.0 13.0 160 7 290.8 292.3 286.7 314.0 8.15 2 971 386 17.8 7.8 52 10.0 12.1 166 15 293.4 294.6 286.4 313.1 6.84 3 925 800 15.8 4.8 48 11.0 9.8 185 40 295.5 296.5 286.2 312.5 5.83 4 922 828 15.8 4.8 48 11.0 9.7 186 40 295.7 296.8 286.4 312.9 5.85 5 918 865 15.4 4.4 48 11.0 9.4 187 40 295.7 296.7 286.2 312.4 5.71 6 850 1511 9.8 1.8 57 8.0 5.7 205 40 296.4 297.3 285.9 311.5 5.13 7 736 2686 0.0 -3.9 75 3.9 -1.7 186 37 298.2 298.9 285.2 309.9 3.89 8 700 3088 0.8 -2.2 80 3.0 -0.6 180 36 303.4 304.2 287.9 317.5 4.65 9 693 3169 1.0 -1.2 85 2.2 -0.1 180 36 304.5 305.4 288.7 319.9 5.06 10 624 4005 -4.3 -5.8 89 1.5 -5.0 182 35 307.7 308.4 288.8 320.0 3.98 11 512 5540 -13.3 -15.6 83 2.3 -14.0 185 33 314.7 315.1 289.3 322.0 2.22 12 500 5720 -14.7 -17.2 81 2.5 -15.4 185 33 315.1 315.5 289.3 321.7 1.98 13 400 7360 -27.5 -31.2 71 3.7 -28.1 185 33 319.2 319.4 289.3 321.7 0.71 14 389 7560 -28.9 -32.6 70 3.7 -29.5 187 33 320.0 320.1 289.4 322.2 0.63 15 300 9350 -46.7 -51.3 59 4.6 -46.9 205 36 319.5 319.6 288.7 320.0 0.11 16 266 10135 -55.3 -59.9 56 4.6 -55.4 208 44 318.2 318.2 288.2 318.3 0.04 17 250 10530 -57.9 -62.7 54 4.8 -58.0 210 48 320.0 320.0 288.8 320.1 0.03 18 209 11641 -65.3 -69.8 54 4.5 -65.3 220 50 325.2 325.2 290.3 325.3 0.02 19 200 11910 -63.3 -68.1 52 4.8 -63.3 225 46 332.5 332.5 292.4 332.6 0.02 20 170 12916 -59.1 -63.9 54 4.8 -59.2 211 35 355.3 355.3 297.8 355.5 0.04 21 150 13700 -58.7 -63.7 52 5.0 -58.8 200 27 368.9 369.0 300.4 369.2 0.05 22 101 16216 -53.3 -60.3 42 7.0 -53.7 220 15 423.5 423.6 308.2 424.1 0.11 23 100 16280 -53.5 -60.5 42 7.0 -53.9 220 15 424.4 424.4 308.3 424.9 0.11 24 70 18570 -54.7 -63.7 32 9.0 -55.2 190 3 467.4 467.4 312.5 468.0 0.10 25 50 20720 -55.3 -66.3 24 11.0 -56.1 140 5 513.2 513.2 315.9 513.8 0.10 26 42 21832 -55.5 -67.5 21 12.0 -56.4 131 8 538.9 538.9 317.5 539.6 0.10 27 30 23990 -52.9 -64.9 22 12.0 -54.4 115 15 600.4 600.5 320.7 602.0 0.21 28 20 26640 -48.3 -62.3 18 14.0 -51.5 105 9 688.3 688.5 324.1 692.1 0.44 29 19 26979 -46.7 -60.7 19 14.0 -50.4 703.5 703.7 324.7 708.4 0.57 TRP 209 11641 -65.3 -69.8 54 4.5 -65.3 220 50 325.2 325.2 290.3 325.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5585.00 m Freezing level: 679.98 mb = 3326.59 m = 10913.88 ft Wetbulb zero: 762.63 mb = 2395.74 m = 7859.94 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 73.79 % Est. max temperature: 22.36 C = 72.25 F Sfc-Lift cond lev (LCL): 902.38 mb = 1008.69 m = 3309.32 ft T: 14.15 C 700-500 lapse rate: 5.89 C/km ThetaE index: 3.01 C Layer 918.0- 700.0 mb Conv cond level (CCL): 770.73 mb = 2309.48 m = 7576.94 ft Mean mixing ratio: 6.23 g/kg Conv temperature: 23.39 C = 74.10 F Cap Strength: 5.96 C Lifted Index: 5.91 C Risk: None Lifted Index @300 mb: 5.08 C Lifted Index @700 mb: 3.59 C Showalter Index: 6.67 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 134.60 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.50 J/kg Max Up Vert Vel: 5.39 m/s Conv Inhibition (B-): 40831.18 J/kg Cap Strength: 5.91 C Lift Cond Lev (LCL): 804.99 mb = 1954.77 m = 6413.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 26 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 ---------------------------------------------------------- 0 987 247 160 7 -2.4 6.6 | 52 23 -18.2 -14.3 1 925 800 185 40 3.5 39.8 | 147 23 -12.4 19.0 2 850 1511 205 40 16.9 36.3 | 184 15 1.1 15.4 3 700 3088 180 36 0.0 36.0 | 134 22 -15.8 15.1 4 500 5720 185 33 2.9 32.9 | 133 18 -13.0 12.0 5 400 7360 185 33 2.9 32.9 | 133 18 -13.0 12.0 6 300 9350 205 36 15.2 32.6 | 177 12 -0.6 11.7 7 250 10530 210 48 24.0 41.6 | 202 22 8.2 20.7 8 209 11641 220 50 32.1 38.3 | 223 24 16.3 17.4 9 200 11910 225 46 32.5 32.5 | 235 20 16.7 11.6 10 150 13700 200 27 9.2 25.4 | 124 8 -6.6 4.5 11 100 16280 220 15 9.6 11.5 | 33 11 -6.2 -9.4 12 70 18570 190 3 0.5 3.0 | 41 24 -15.3 -17.9 13 50 20720 140 5 -3.2 3.8 | 48 26 -19.1 -17.1 14 30 23990 115 15 -13.6 6.3 | 64 33 -29.4 -14.5 15 20 26640 105 9 -8.7 2.3 | 53 31 -24.5 -18.6 Wind Parameters Mean winds (0-6000m): 187.2 at 34.9 knts Storm direction: 217.2 at 26.2 knts Shear (0-3000m) pos: 5.9 neg: 2.4 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 81.8 deg Storm rel helicity (0-3000m) pos: 235.9 neg: -72.9 tot: 163.1 m^2/s^2 ave: 54.4 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 5.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.61 Bulk Shear: 23.90 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 ------------------------------------------------------------------------------- 500 181 22 94 16| 31.3 0.0 31.3|160.6 0.0 160.6 321.3 0.97| 32.2 31.3 1000 187 31 129 15| 17.9 0.0 17.9|217.2 0.0 217.2 217.2 0.95| 22.2 21.1 1500 193 34 146 15| 11.8 0.0 11.8|235.9 -9.2 226.8 151.2 0.86| 17.2 14.7 2000 194 35 151 15| 8.9 1.4 10.3|235.9 -32.2 203.7 101.9 0.68| 14.3 9.7 2500 193 36 151 16| 7.1 2.2 9.3|235.9 -56.0 180.0 72.0 0.54| 12.6 6.8 3000 192 36 149 17| 5.9 2.4 8.3|235.9 -72.9 163.1 54.4 0.46| 11.1 5.1 4000 189 36 144 18| 4.4 1.8 6.2|235.9 -73.2 162.8 40.7 0.45| 8.5 3.8 5000 188 35 142 18| 3.5 1.5 4.9|235.9 -73.9 162.0 32.4 0.44| 7.0 3.1 6000 187 35 140 18| 2.9 1.2 4.1|235.9 -74.4 161.6 26.9 0.43| 5.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250527.00.gif