UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 18 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 178 225 7 SFC 992 245 11.0 4.0 62 7.0 7.5 225 7 284.8 285.7 281.0 299.2 5.14 2 972 417 16.8 8.8 59 8.0 12.1 235 9 292.3 293.6 286.5 313.3 7.32 3 962 505 17.4 7.4 52 10.0 11.7 240 11 293.8 295.0 286.5 313.2 6.72 4 944 666 16.0 5.0 48 11.0 10.0 250 13 294.0 295.0 285.6 310.8 5.79 5 925 839 14.6 4.6 51 10.0 9.2 260 15 294.2 295.3 285.7 311.0 5.75 6 850 1543 9.2 3.2 66 6.0 6.1 240 15 295.8 296.8 286.2 312.4 5.67 7 769 2364 2.4 -3.6 65 6.0 -0.3 255 15 297.0 297.7 284.7 308.4 3.81 8 740 2675 1.6 -12.4 34 14.0 -3.5 261 15 299.5 299.8 283.7 305.6 1.99 9 711 2998 1.2 -15.8 27 17.0 -4.6 268 15 302.5 302.8 284.4 307.4 1.57 10 700 3123 0.2 -18.8 22 19.0 -5.8 270 15 302.7 302.9 284.1 306.7 1.24 11 615 4148 -5.9 -31.9 11 26.0 -11.5 282 20 307.1 307.2 284.8 308.6 0.43 12 580 4604 -9.9 -37.9 8 28.0 -14.7 287 22 307.6 307.7 284.8 308.5 0.25 13 500 5730 -18.5 -42.5 10 24.0 -21.6 300 27 310.5 310.5 285.7 311.1 0.18 14 474 6124 -21.9 -45.9 9 24.0 -24.5 302 29 311.1 311.1 285.9 311.5 0.13 15 400 7340 -33.5 -53.5 12 20.0 -34.7 310 35 311.4 311.5 285.9 311.7 0.07 16 341 8436 -42.7 -59.7 14 17.0 -43.2 310 37 313.5 313.5 286.6 313.6 0.04 17 305 9181 -46.7 -62.7 15 16.0 -47.1 310 38 318.0 318.0 288.1 318.1 0.03 18 300 9290 -47.9 -63.9 14 16.0 -48.3 310 38 317.8 317.8 288.1 317.9 0.02 19 250 10480 -56.9 -71.9 13 15.0 -57.1 295 35 321.5 321.5 289.2 321.5 0.01 20 227 11090 -55.1 -70.1 14 15.0 -55.3 301 28 333.2 333.2 292.6 333.3 0.01 21 212 11521 -58.5 -73.5 13 15.0 -58.6 306 23 334.5 334.5 292.9 334.5 0.01 22 200 11890 -53.7 -68.7 14 15.0 -54.0 310 19 347.7 347.7 296.1 347.8 0.02 23 182 12501 -49.9 -64.9 16 15.0 -50.4 310 20 363.4 363.4 299.4 363.6 0.03 24 165 13137 -53.7 -68.7 14 15.0 -54.0 310 20 367.4 367.4 300.1 367.5 0.02 25 150 13750 -53.1 -69.1 13 16.0 -53.5 310 21 378.6 378.6 302.1 378.7 0.02 26 147 13881 -52.5 -68.5 13 16.0 -52.9 310 21 381.8 381.8 302.6 381.9 0.03 27 125 14920 -57.3 -73.3 11 16.0 -57.6 310 18 391.2 391.2 304.0 391.3 0.02 28 100 16330 -58.5 -73.5 13 15.0 -58.8 310 15 414.7 414.7 307.1 414.8 0.02 29 71 18490 -55.3 -71.3 12 16.0 -55.9 329 9 464.2 464.2 312.1 464.4 0.04 30 70 18580 -55.3 -71.3 12 16.0 -55.9 330 9 466.1 466.1 312.3 466.3 0.04 31 50 20720 -55.3 -71.3 12 16.0 -56.2 20 7 513.2 513.2 315.9 513.5 0.05 32 48 20980 -56.1 -72.1 12 16.0 -56.9 24 8 517.3 517.3 316.1 517.6 0.05 33 35 23010 -51.9 -69.9 10 18.0 -53.7 55 15 577.1 577.2 319.6 577.8 0.09 34 30 24010 -52.1 -69.1 11 17.0 -54.0 70 19 602.6 602.6 320.7 603.5 0.12 35 24 25454 -51.3 -69.3 10 18.0 -53.8 73 25 644.6 644.7 322.5 645.8 0.14 36 20 26630 -53.5 -71.5 9 18.0 -55.8 75 29 672.4 672.5 323.6 673.4 0.12 37 19 26960 -54.1 -72.1 9 18.0 -56.4 680.5 680.5 323.8 681.5 0.12 38 10 31097 -52.1 -71.1 8 19.0 -56.3 825.1 825.2 327.9 827.7 0.26 TRP 250 10480 -56.9 -71.9 13 15.0 -57.1 295 35 321.5 321.5 289.2 321.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5552.00 m Freezing level: 697.21 mb = 3156.62 m = 10356.24 ft Wetbulb zero: 772.50 mb = 2326.95 m = 7634.27 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 33.31 % Est. max temperature: 22.08 C = 71.75 F Sfc-Lift cond lev (LCL): 891.99 mb = 1141.57 m = 3745.27 ft T: 12.28 C 700-500 lapse rate: 7.17 C/km ThetaE index: 6.75 C Layer 769.0- 711.0 mb Conv cond level (CCL): 773.27 mb = 2318.74 m = 7607.32 ft Mean mixing ratio: 6.05 g/kg Conv temperature: 23.15 C = 73.67 F Cap Strength: 4.57 C Lifted Index: 3.45 C Risk: None Lifted Index @300 mb: 5.40 C Lifted Index @700 mb: 4.05 C Showalter Index: 2.34 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 21.70 C K Index: 11.90 Risk: None Sweat Index: 236.65 Risk: None Energy Index: -0.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.36 J/kg Max Up Vert Vel: 7.26 m/s Conv Inhibition (B-): 49412.50 J/kg Cap Strength: 4.53 C Lift Cond Lev (LCL): 818.36 mb = 1854.07 m = 6082.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 14 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 ---------------------------------------------------------- 0 992 245 225 7 4.9 4.9 | 156 15 -5.9 13.5 1 925 839 260 15 14.8 2.6 | 199 12 3.9 11.2 2 850 1543 240 15 13.0 7.5 | 187 16 2.1 16.1 3 700 3123 270 15 15.0 -0.0 | 206 10 4.1 8.6 4 500 5730 300 27 23.4 -13.5 | 291 13 12.5 -4.9 5 400 7340 310 35 26.8 -22.5 | 311 21 15.9 -13.9 6 300 9290 310 38 29.1 -24.4 | 311 24 18.2 -15.8 7 250 10480 295 35 31.7 -14.8 | 287 22 20.8 -6.2 8 200 11890 310 19 14.6 -12.2 | 315 5 3.7 -3.6 9 150 13750 310 21 16.1 -13.5 | 313 7 5.2 -4.9 10 100 16330 310 15 11.5 -9.6 | 330 1 0.6 -1.1 11 70 18580 330 9 4.5 -7.8 | 97 6 -6.4 0.8 12 50 20720 20 7 -2.4 -6.6 | 99 13 -13.3 2.0 13 30 24010 70 19 -17.9 -6.5 | 94 29 -28.7 2.1 14 20 26630 75 29 -28.0 -7.5 | 92 39 -38.9 1.1 Wind Parameters Mean winds (0-6000m): 278.3 at 18.5 knts Storm direction: 308.3 at 13.9 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 53.3 deg Storm rel helicity (0-3000m) pos: 51.6 neg: -10.6 tot: 41.0 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.62 Bulk Shear: 16.25 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 ------------------------------------------------------------------------------- 500 247 10 174 13| 8.6 0.0 8.6| 30.2 0.0 30.2 60.4 0.96| 8.9 8.5 1000 252 13 185 13| 4.3 1.0 5.3| 35.8 -5.4 30.4 30.4 0.63| 6.9 4.4 1500 249 13 187 14| 2.9 1.0 3.9| 38.3 -10.6 27.7 18.4 0.47| 5.7 2.7 2000 249 14 188 14| 2.5 0.8 3.3| 43.5 -10.6 32.9 16.5 0.48| 4.9 2.4 2500 251 14 190 13| 2.3 0.6 3.0| 47.6 -10.6 36.9 14.8 0.48| 4.4 2.1 3000 254 14 192 13| 2.3 0.5 2.8| 51.6 -10.6 41.0 13.7 0.49| 4.1 2.0 4000 261 15 200 12| 2.5 0.4 2.8| 66.1 -10.6 55.4 13.9 0.59| 3.9 2.3 5000 270 17 214 10| 2.6 0.3 2.9| 83.0 -10.6 72.4 14.5 0.65| 3.7 2.5 6000 278 18 231 9| 2.7 0.3 2.9|100.0 -10.6 89.4 14.9 0.67| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250418.00.gif