UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 22 APR 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 988 243 26.0 6.0 28 20.0 14.4 160 3 300.2 301.3 288.1 317.9 5.94 2 983 287 23.4 3.4 27 20.0 12.4 163 3 298.0 298.9 286.3 312.8 4.97 3 925 812 18.0 2.0 34 16.0 9.6 200 5 297.7 298.6 286.0 311.9 4.78 4 896 1083 14.4 0.4 38 14.0 7.3 215 7 296.7 297.5 285.2 309.8 4.39 5 850 1526 10.8 -1.2 43 12.0 4.9 240 9 297.5 298.2 285.2 309.7 4.12 6 700 3102 -3.1 -11.1 54 8.0 -6.0 250 13 299.1 299.5 283.9 306.2 2.34 7 698 3125 -3.5 -11.5 54 8.0 -6.4 250 13 298.9 299.3 283.7 305.8 2.27 8 634 3876 -8.5 -13.5 67 5.0 -10.2 259 14 301.5 301.9 284.6 308.1 2.13 9 630 3926 -8.1 -13.1 67 5.0 -9.8 259 14 302.5 302.9 285.1 309.4 2.21 10 596 4356 -8.3 -21.3 34 13.0 -11.9 264 15 307.1 307.3 285.7 310.9 1.17 11 582 4539 -9.7 -23.7 31 14.0 -13.3 266 15 307.6 307.7 285.6 310.8 0.97 12 500 5690 -18.9 -31.9 31 13.0 -21.2 280 17 310.0 310.1 285.9 311.8 0.53 13 431 6778 -27.3 -38.3 34 11.0 -28.6 277 14 312.8 312.8 286.7 313.9 0.32 14 400 7310 -32.1 -43.1 33 11.0 -33.1 275 13 313.3 313.3 286.8 314.0 0.21 15 300 9260 -49.5 -58.5 34 9.0 -49.7 305 23 315.6 315.6 287.3 315.8 0.05 16 279 9732 -53.9 -62.9 32 9.0 -54.1 313 23 315.9 315.9 287.4 316.0 0.03 17 250 10430 -59.5 -68.5 30 9.0 -59.6 325 23 317.6 317.6 288.0 317.7 0.02 18 217 11312 -65.3 -74.3 28 9.0 -65.4 315 23 321.8 321.8 289.3 321.8 0.01 19 200 11820 -59.7 -68.7 30 9.0 -59.8 300 23 338.2 338.2 293.9 338.3 0.02 20 195 11977 -57.7 -66.7 31 9.0 -57.8 296 23 343.9 343.9 295.3 344.0 0.02 21 160 13233 -50.5 -62.5 23 12.0 -51.0 269 21 376.0 376.1 301.6 376.3 0.05 22 150 13650 -51.1 -64.1 20 13.0 -51.5 260 21 382.0 382.0 302.6 382.2 0.05 23 119 15140 -56.1 -72.1 12 16.0 -56.5 257 19 399.0 399.0 305.1 399.1 0.02 24 100 16250 -55.1 -74.1 8 19.0 -55.6 255 17 421.3 421.3 307.9 421.4 0.02 25 70 18520 -57.1 -78.1 5 21.0 -57.7 305 11 462.2 462.2 312.0 462.3 0.01 26 66 18892 -57.7 -78.7 5 21.0 -58.3 301 10 468.8 468.8 312.5 468.8 0.01 27 50 20650 -56.9 -78.9 5 22.0 -57.7 280 7 509.4 509.4 315.6 509.5 0.02 28 30 23890 -56.9 -78.9 5 22.0 -58.2 310 9 589.5 589.5 320.1 589.7 0.03 29 23 25582 -54.7 -77.7 4 23.0 -56.6 642.5 642.6 322.4 642.9 0.04 TRP 217 11312 -65.3 -74.3 28 9.0 -65.4 315 23 321.8 321.8 289.3 321.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 733.45 mb = 2750.52 m = 9023.90 ft Wetbulb zero: 782.35 mb = 2199.19 m = 7215.11 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 43.19 % Est. max temperature: 23.43 C = 74.17 F Sfc-Lift cond lev (LCL): 735.62 mb = 2699.06 m = 8855.08 ft T: 0.45 C 700-500 lapse rate: 6.11 C/km ThetaE index: 12.01 C Layer 983.0- 634.0 mb Conv cond level (CCL): 715.01 mb = 2929.73 m = 9611.87 ft Mean mixing ratio: 4.77 g/kg Conv temperature: 24.73 C = 76.52 F Cap Strength: 3.14 C Lifted Index: 2.29 C Risk: None Lifted Index @300 mb: 2.92 C Lifted Index @700 mb: 0.16 C Showalter Index: 3.58 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 17.70 C K Index: 20.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 35.00 Risk: None Energy Index: 0.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.57 J/kg Max Up Vert Vel: 5.93 m/s Conv Inhibition (B-): 32.08 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 728.02 mb = 2783.43 m = 9131.87 ft Lev Free Conv (LFC): 693.02 mb = 3180.59 m = 10434.87 ft Equ Level (EL): 633.02 mb = 3888.45 m = 12757.24 ft B at Equ Level: 16.84 J/kg Max Parcel Lev (MPL): 603.02 mb = 4264.91 m = 13992.33 ft Wind level data Storm motion: 289 at 9 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 ---------------------------------------------------------- 0 988 243 160 3 -1.0 2.8 | 121 11 -9.7 5.9 1 925 812 200 5 1.7 4.7 | 138 10 -6.9 7.7 2 850 1526 240 9 7.8 4.5 | 174 8 -0.9 7.5 3 700 3102 250 13 12.2 4.4 | 205 8 3.6 7.5 4 500 5690 280 17 16.7 -3.0 | 269 8 8.1 0.1 5 400 7310 275 13 13.0 -1.1 | 246 5 4.3 1.9 6 300 9260 305 23 18.8 -13.2 | 315 14 10.2 -10.2 7 250 10430 325 23 13.2 -18.8 | 344 16 4.5 -15.8 8 217 11312 315 23 16.3 -16.3 | 330 15 7.6 -13.2 9 200 11820 300 23 19.9 -11.5 | 307 14 11.3 -8.5 10 150 13650 260 21 20.7 3.6 | 241 14 12.0 6.7 11 100 16250 255 17 16.4 4.4 | 226 11 7.8 7.4 12 70 18520 305 11 9.0 -6.3 | 354 3 0.4 -3.3 13 50 20650 280 7 6.9 -1.2 | 136 3 -1.8 1.8 14 30 23890 310 9 6.9 -5.8 | 33 3 -1.8 -2.7 Wind Parameters Mean winds (0-6000m): 259.4 at 12.2 knts Storm direction: 289.4 at 9.2 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 87.2 deg Storm rel helicity (0-3000m) pos: 33.2 neg: 0.0 tot: 33.2 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.93 Bulk Shear: 18.85 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 ------------------------------------------------------------------------------- 500 183 4 129 11| 3.0 0.0 3.0| 8.4 0.0 8.4 16.7 0.96| 3.0 2.9 1000 201 5 138 10| 3.4 0.0 3.4| 18.1 0.0 18.1 18.1 0.94| 3.6 3.4 1500 220 6 149 9| 3.3 0.0 3.3| 24.4 0.0 24.4 16.3 0.92| 3.6 3.3 2000 229 7 157 8| 2.8 0.0 2.8| 27.2 0.0 27.2 13.6 0.93| 3.0 2.8 2500 234 8 165 8| 2.5 0.0 2.5| 30.1 0.0 30.1 12.1 0.93| 2.7 2.5 3000 238 9 172 8| 2.3 0.0 2.3| 33.2 0.0 33.2 11.1 0.94| 2.5 2.3 4000 245 10 184 7| 2.0 0.0 2.0| 39.9 0.0 39.9 10.0 0.95| 2.3 2.2 5000 253 11 199 7| 1.8 0.0 1.8| 47.0 0.0 47.0 9.4 0.95| 2.2 2.1 6000 259 12 212 6| 1.6 0.1 1.7| 50.2 -1.4 48.8 8.1 0.87| 2.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250422.12.gif