UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053100.upa.cvt Date: 0000Z 31 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 31 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 110 SFC 984 246 13.4 11.6 89 1.8 12.3 290 5 287.9 289.4 286.2 312.3 8.74 2 965 411 12.6 11.2 91 1.4 11.8 293 8 288.7 290.2 286.4 313.1 8.68 3 947 569 14.0 12.2 89 1.8 12.9 296 10 291.7 293.3 288.3 318.5 9.46 4 943 605 14.4 11.6 83 2.8 12.7 297 11 292.4 294.0 288.2 318.4 9.13 5 934 686 13.4 7.4 67 6.0 10.0 298 12 292.2 293.4 286.1 312.1 6.92 6 925 768 12.8 7.8 72 5.0 10.0 300 13 292.4 293.7 286.4 313.0 7.19 7 850 1473 8.2 4.2 76 4.0 6.1 245 11 294.7 295.8 286.2 312.5 6.09 8 745 2548 0.8 -2.6 78 3.4 -0.7 228 14 298.0 298.8 285.5 310.7 4.24 9 715 2878 -1.1 -3.9 81 2.8 -2.3 223 15 299.4 300.2 285.9 311.5 4.01 10 700 3047 -1.9 -4.9 80 3.0 -3.2 220 15 300.4 301.1 286.0 311.9 3.79 11 670 3393 -3.7 -7.9 73 4.2 -5.4 219 15 302.1 302.7 286.0 311.8 3.15 12 626 3926 -5.3 -19.3 32 14.0 -9.5 218 15 306.2 306.5 285.5 310.6 1.32 13 605 4192 -6.5 -16.5 45 10.0 -9.8 218 15 307.9 308.2 286.6 313.5 1.74 14 500 5650 -16.5 -30.5 29 14.0 -19.3 215 15 312.9 313.0 287.1 315.0 0.60 15 473 6066 -19.7 -34.7 25 15.0 -22.1 215 15 314.0 314.0 287.2 315.5 0.43 16 400 7290 -29.3 -42.3 27 13.0 -30.6 215 17 316.9 317.0 288.0 317.8 0.23 17 329 8654 -41.3 -53.3 26 12.0 -41.9 215 18 318.6 318.6 288.4 318.9 0.08 18 300 9280 -42.7 -54.7 26 12.0 -43.2 215 19 325.2 325.2 290.4 325.5 0.08 19 250 10490 -47.5 -59.5 24 12.0 -47.9 230 27 335.4 335.5 293.2 335.7 0.05 20 200 11950 -52.1 -64.1 22 12.0 -52.4 245 23 350.3 350.3 296.7 350.4 0.03 21 182 12557 -54.3 -66.3 22 12.0 -54.6 240 19 356.3 356.3 298.0 356.4 0.03 22 164 13229 -50.9 -63.9 20 13.0 -51.3 235 15 372.7 372.7 301.1 372.9 0.04 23 150 13810 -50.5 -66.5 13 16.0 -51.0 230 11 383.1 383.1 302.8 383.2 0.03 24 100 16440 -51.5 -69.5 10 18.0 -52.2 235 9 428.2 428.2 308.7 428.4 0.03 25 70 18750 -52.7 -73.7 6 21.0 -53.6 230 9 471.6 471.6 312.8 471.8 0.03 26 50 20900 -55.1 -76.1 6 21.0 -56.1 145 7 513.6 513.6 315.9 513.8 0.02 27 44 21715 -56.3 -77.3 5 21.0 -57.2 135 7 529.8 529.8 316.9 530.0 0.02 28 36 23002 -52.3 -74.3 5 22.0 -54.0 119 7 571.5 571.5 319.2 571.8 0.05 29 30 24180 -53.1 -76.1 4 23.0 -54.9 105 7 599.9 599.9 320.6 600.2 0.04 30 25 25358 -52.7 -75.7 5 23.0 -54.9 633.1 633.2 322.0 633.5 0.05 31 20 26810 -49.7 -73.7 4 24.0 -53.1 684.0 684.1 323.9 684.8 0.09 32 17 27877 -48.5 -72.5 5 24.0 -52.7 720.4 720.5 325.1 721.6 0.13 TRP 182 12557 -54.3 -66.3 22 12.0 -54.6 356.3 356.3 298.0 356.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5540.00 m Freezing level: 732.37 mb = 2687.08 m = 8815.78 ft Wetbulb zero: 756.46 mb = 2423.81 m = 7952.05 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 61.74 % Est. max temperature: 20.71 C = 69.28 F Sfc-Lift cond lev (LCL): 957.81 mb = 473.66 m = 1554.00 ft T: 13.16 C 700-500 lapse rate: 5.61 C/km ThetaE index: 6.46 C Layer 943.0- 925.0 mb Conv cond level (CCL): 841.18 mb = 1558.05 m = 5111.66 ft Mean mixing ratio: 7.82 g/kg Conv temperature: 20.49 C = 68.89 F Cap Strength: 3.09 C Lifted Index: 3.49 C Risk: None Lifted Index @300 mb: 8.37 C Lifted Index @700 mb: 0.42 C Showalter Index: 4.28 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.70 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 87.40 Risk: None Energy Index: 0.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.10 J/kg Max Up Vert Vel: 7.09 m/s Conv Inhibition (B-): 42231.27 J/kg Cap Strength: 3.45 C Lift Cond Lev (LCL): 885.47 mb = 1132.15 m = 3714.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 259 at 10 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 ---------------------------------------------------------- 0 984 246 290 5 4.7 -1.7 | 55 7 -5.4 -3.7 1 925 768 300 13 11.3 -6.5 | 352 9 1.2 -8.5 2 850 1473 245 11 10.0 4.6 | 178 3 -0.1 2.6 3 700 3047 220 15 9.6 11.5 | 177 9 -0.4 9.5 4 500 5650 215 15 8.6 12.3 | 172 10 -1.5 10.3 5 400 7290 215 17 9.8 13.9 | 178 12 -0.3 11.9 6 300 9280 215 19 10.9 15.6 | 184 14 0.8 13.5 7 250 10490 230 27 20.7 17.4 | 215 19 10.6 15.3 8 200 11950 245 23 20.8 9.7 | 234 13 10.8 7.7 9 182 12557 10 150 13810 230 11 8.4 7.1 | 162 5 -1.6 5.1 11 100 16440 235 9 7.4 5.2 | 139 4 -2.7 3.1 12 70 18750 230 9 6.9 5.8 | 140 5 -3.2 3.8 13 50 20900 145 7 -4.0 5.7 | 105 15 -14.1 3.7 14 30 24180 105 7 -6.8 1.8 | 89 17 -16.8 -0.2 Wind Parameters Mean winds (0-6000m): 228.7 at 13.7 knts Storm direction: 258.7 at 10.3 knts Shear (0-3000m) pos: 1.3 neg: 3.1 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 121.8 deg Storm rel helicity (0-3000m) pos: 0.2 neg: -20.0 tot: -19.8 m^2/s^2 ave: -6.6 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 4.6 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.08 Bulk Shear: 23.34 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 ------------------------------------------------------------------------------- 500 297 9 20 6| 8.0 0.0 8.0| 0.0 -11.8 -11.8 -23.7 -0.89| 8.1 -7.2 1000 289 11 1 5| 4.0 4.0 8.0| 0.0 -17.2 -17.2 -17.2 -0.71| 8.2 -5.8 1500 276 11 347 3| 2.7 4.1 6.8| 0.1 -18.3 -18.2 -12.1 -0.69| 7.1 -4.9 2000 264 11 309 1| 2.0 3.6 5.6| 0.2 -18.4 -18.2 -9.1 -0.62| 5.9 -3.7 2500 255 12 228 2| 1.6 3.4 5.0| 0.2 -19.0 -18.8 -7.5 -0.58| 5.2 -3.0 3000 247 12 203 3| 1.3 3.1 4.4| 0.2 -20.0 -19.8 -6.6 -0.56| 4.6 -2.6 4000 238 13 190 5| 1.0 2.3 3.3| 0.2 -21.0 -20.8 -5.2 -0.57| 3.5 -2.0 5000 232 13 185 6| 0.8 1.9 2.7| 0.2 -22.0 -21.8 -4.4 -0.57| 2.8 -1.6 6000 229 14 182 7| 0.7 1.6 2.3| 1.6 -22.4 -20.8 -3.5 -0.54| 2.4 -1.3 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250531.00.gif