UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 21 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 116 SFC 986 239 24.8 0.8 21 24.0 12.1 200 7 299.2 299.9 285.8 311.5 4.11 2 941 644 18.6 -3.4 22 22.0 8.1 204 13 296.9 297.4 284.0 306.4 3.16 3 925 790 17.2 -3.8 24 21.0 7.3 205 15 296.9 297.5 283.9 306.3 3.12 4 850 1499 10.2 -6.8 30 17.0 2.9 225 15 296.8 297.3 283.4 305.0 2.70 5 744 2586 0.0 -10.0 47 10.0 -3.8 232 22 297.3 297.7 283.2 304.6 2.40 6 738 2651 -0.5 -9.5 51 9.0 -3.9 232 22 297.4 297.9 283.4 305.1 2.52 7 700 3073 -1.9 -23.9 17 22.0 -7.8 235 25 300.4 300.5 282.5 303.0 0.79 8 693 3153 -2.3 -28.3 12 26.0 -8.5 235 25 300.8 300.9 282.4 302.6 0.54 9 682 3279 -3.3 -32.3 9 29.0 -9.5 235 25 301.1 301.1 282.3 302.3 0.37 10 616 4072 -10.7 -33.7 13 23.0 -14.9 235 24 301.5 301.5 282.5 302.7 0.36 11 578 4560 -11.9 -34.9 13 23.0 -16.0 235 24 305.6 305.7 284.1 306.8 0.34 12 500 5650 -20.5 -41.5 13 21.0 -23.1 235 23 308.0 308.1 284.8 308.8 0.20 13 411 7069 -31.9 -41.9 37 10.0 -32.8 253 21 311.1 311.2 286.0 312.0 0.23 14 400 7260 -33.3 -43.3 36 10.0 -34.1 255 21 311.7 311.7 286.2 312.5 0.21 15 385 7528 -34.9 -47.9 25 13.0 -35.8 258 22 313.0 313.1 286.6 313.5 0.13 16 366 7878 -39.5 -55.5 17 16.0 -40.2 261 23 311.5 311.5 285.9 311.7 0.06 17 316 8867 -47.5 -59.5 24 12.0 -47.8 271 26 313.7 313.7 286.7 313.9 0.04 18 300 9210 -48.9 -59.9 27 11.0 -49.2 275 27 316.4 316.4 287.6 316.6 0.04 19 277 9730 -52.1 -62.1 29 10.0 -52.3 262 26 319.1 319.1 288.5 319.2 0.03 20 259 10158 -58.3 -68.3 27 10.0 -58.4 251 25 316.2 316.2 287.5 316.2 0.02 21 250 10380 -59.7 -69.7 26 10.0 -59.8 245 25 317.3 317.3 287.9 317.4 0.01 22 230 10901 -62.5 -72.5 25 10.0 -62.6 245 17 320.7 320.7 289.0 320.7 0.01 23 214 11356 -54.9 -64.9 28 10.0 -55.1 245 19 339.2 339.2 294.1 339.3 0.03 24 204 11663 -55.3 -65.3 28 10.0 -55.5 245 20 343.2 343.3 295.1 343.4 0.03 25 200 11790 -55.3 -65.3 28 10.0 -55.5 245 21 345.2 345.2 295.6 345.3 0.03 26 158 13304 -51.1 -67.1 13 16.0 -51.6 245 18 376.4 376.4 301.7 376.5 0.03 27 150 13640 -52.1 -68.1 13 16.0 -52.5 245 17 380.3 380.3 302.3 380.4 0.03 28 101 16167 -56.7 -77.7 5 21.0 -57.1 250 9 417.0 417.0 307.4 417.0 0.01 29 100 16230 -56.9 -77.9 5 21.0 -57.3 250 9 417.8 417.8 307.4 417.8 0.01 30 70 18500 -56.1 -78.1 5 22.0 -56.8 285 11 464.4 464.4 312.1 464.4 0.01 31 50 20630 -55.9 -77.9 5 22.0 -56.8 345 7 511.7 511.8 315.8 511.9 0.02 32 30 23880 -56.1 -78.1 5 22.0 -57.5 355 15 591.7 591.7 320.2 591.9 0.03 33 20 26460 -55.3 -77.3 5 22.0 -57.3 20 7 666.9 666.9 323.3 667.3 0.05 34 17 27495 -56.3 -78.3 5 22.0 -58.4 695.4 695.4 324.3 695.9 0.05 35 11 30290 -51.5 -74.5 5 23.0 -55.9 805.1 805.1 327.4 806.5 0.14 TRP 230 10901 -62.5 -72.5 25 10.0 -62.6 245 17 320.7 320.7 289.0 320.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 744.00 mb = 2586.42 m = 8485.51 ft Wetbulb zero: 804.12 mb = 1951.96 m = 6403.98 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 22.15 % Est. max temperature: 22.56 C = 72.61 F Sfc-Lift cond lev (LCL): 690.62 mb = 3179.97 m = 10432.86 ft T: -2.52 C 700-500 lapse rate: 7.22 C/km ThetaE index: 6.91 C Layer 941.0- 738.0 mb Conv cond level (CCL): 640.30 mb = 3770.66 m = 12370.79 ft Mean mixing ratio: 3.30 g/kg Conv temperature: 26.97 C = 80.55 F Cap Strength: 3.78 C Lifted Index: 3.53 C Risk: None Lifted Index @300 mb: 6.63 C Lifted Index @700 mb: 2.71 C Showalter Index: 5.03 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 13.70 C K Index: 1.90 Risk: None Sweat Index: 99.71 Risk: None Energy Index: 0.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.74 J/kg Max Up Vert Vel: 7.31 m/s Conv Inhibition (B-): 51478.26 J/kg Cap Strength: 3.78 C Lift Cond Lev (LCL): 676.83 mb = 3338.51 m = 10952.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 16 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 ---------------------------------------------------------- 0 986 239 200 7 2.4 6.6 | 108 14 -13.0 4.3 1 925 790 205 15 6.3 13.6 | 141 14 -9.0 11.3 2 850 1499 225 15 10.6 10.6 | 150 10 -4.8 8.3 3 700 3073 235 25 20.5 14.3 | 203 13 5.1 12.0 4 500 5650 235 23 18.8 13.2 | 198 11 3.5 10.9 5 400 7260 255 21 20.3 5.4 | 237 6 4.9 3.1 6 300 9210 275 27 26.9 -2.4 | 292 12 11.5 -4.6 7 250 10380 245 25 22.7 10.6 | 221 11 7.3 8.3 8 230 10901 245 17 15.4 7.2 | 180 5 0.0 4.9 9 200 11790 245 21 19.0 8.9 | 209 8 3.7 6.6 10 150 13640 245 17 15.4 7.2 | 180 5 0.0 4.9 11 100 16230 250 9 8.5 3.1 | 96 7 -6.9 0.8 12 70 18500 285 11 10.6 -2.8 | 43 7 -4.7 -5.1 13 50 20630 345 7 1.8 -6.8 | 56 16 -13.6 -9.1 14 30 23880 355 15 1.3 -14.9 | 39 22 -14.1 -17.2 15 20 26460 20 7 -2.4 -6.6 | 63 20 -17.8 -8.9 Wind Parameters Mean winds (0-6000m): 231.5 at 20.7 knts Storm direction: 261.5 at 15.5 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 63.0 neg: -0.1 tot: 62.8 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.31 Bulk Shear: 20.48 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 ------------------------------------------------------------------------------- 500 203 11 124 13| 7.5 0.0 7.5| 26.3 0.0 26.3 52.7 0.99| 7.5 7.5 1000 208 13 134 13| 4.4 0.0 4.4| 33.4 0.0 33.4 33.4 0.83| 5.7 4.8 1500 214 14 139 12| 3.7 0.0 3.7| 39.1 0.0 39.1 26.0 0.79| 5.0 3.9 2000 218 15 146 11| 3.6 0.0 3.6| 47.6 0.0 47.6 23.8 0.82| 4.6 3.8 2500 222 16 155 11| 3.6 0.0 3.6| 56.7 0.0 56.7 22.7 0.83| 4.4 3.6 3000 225 17 164 10| 3.4 0.0 3.4| 63.0 -0.1 62.8 20.9 0.83| 4.0 3.4 4000 228 19 175 11| 2.5 0.1 2.6| 63.0 -1.6 61.4 15.4 0.79| 3.1 2.5 5000 230 20 181 11| 2.0 0.2 2.2| 63.0 -3.0 60.0 12.0 0.75| 2.6 1.9 6000 232 21 185 11| 1.6 0.1 1.8| 68.2 -3.6 64.6 10.8 0.72| 2.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250421.12.gif