UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 19 OCT 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 987 245 6.8 5.6 92 1.2 6.2 70 3 281.0 282.0 280.0 296.9 5.78 2 925 775 3.4 1.4 87 2.0 2.5 105 9 282.8 283.6 279.3 295.6 4.57 3 850 1457 -0.7 -2.4 88 1.7 -1.4 140 11 285.4 286.1 279.6 296.1 3.77 4 729 2667 -8.1 -10.0 86 1.9 -8.8 168 8 290.1 290.6 280.2 297.4 2.45 5 700 2981 -10.3 -12.6 83 2.3 -11.0 175 7 291.1 291.4 280.1 297.3 2.07 6 500 5480 -27.9 -29.9 83 2.0 -28.2 140 11 299.0 299.1 281.8 301.1 0.64 7 494 5567 -28.1 -30.3 81 2.2 -28.4 144 12 299.8 299.9 282.1 301.9 0.62 8 479 5788 -30.5 -33.0 79 2.5 -30.8 152 13 299.5 299.6 281.8 301.2 0.50 9 400 7050 -38.9 -45.9 48 7.0 -39.3 205 23 304.4 304.5 283.4 305.0 0.16 10 384 7329 -40.9 -48.9 42 8.0 -41.3 206 25 305.4 305.4 283.7 305.8 0.12 11 310 8756 -50.7 -57.7 43 7.0 -50.9 209 36 311.0 311.0 285.7 311.2 0.05 12 300 8970 -51.3 -58.3 43 7.0 -51.5 210 38 313.0 313.1 286.5 313.2 0.05 13 260 9889 -53.9 -59.9 48 6.0 -54.0 202 34 322.3 322.3 289.5 322.5 0.05 14 250 10140 -52.9 -58.9 48 6.0 -53.1 200 33 327.4 327.4 291.0 327.6 0.05 15 225 10820 -55.9 -62.9 41 7.0 -56.1 230 29 332.8 332.8 292.5 333.0 0.04 16 212 11203 -53.1 -60.1 42 7.0 -53.3 235 24 342.9 342.9 295.1 343.1 0.05 17 200 11580 -54.3 -61.3 42 7.0 -54.5 240 19 346.8 346.8 296.0 347.0 0.05 18 150 13420 -54.1 -63.1 32 9.0 -54.4 255 19 376.9 376.9 301.8 377.1 0.05 19 101 15937 -57.9 -67.9 27 10.0 -58.2 279 11 414.7 414.7 307.1 414.9 0.04 20 100 16000 -57.9 -67.9 27 10.0 -58.2 280 11 415.9 415.9 307.3 416.1 0.04 21 70 18240 -58.9 -68.9 26 10.0 -59.3 295 15 458.4 458.4 311.7 458.7 0.05 22 50 20340 -59.7 -69.7 26 10.0 -60.2 270 17 502.8 502.8 315.2 503.2 0.06 23 46 20860 -61.5 -72.5 22 11.0 -61.9 273 18 510.6 510.6 315.7 510.9 0.05 24 30 23520 -60.1 -71.1 22 11.0 -60.8 290 21 580.8 580.8 319.8 581.4 0.09 25 25 24657 -60.5 -71.5 22 11.0 -61.3 610.7 610.8 321.1 611.5 0.10 TRP 225 10820 -55.9 -62.9 41 7.0 -56.1 230 29 332.8 332.8 292.5 333.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5343.00 m Freezing level: 862.80 mb = 1340.56 m = 4398.11 ft Wetbulb zero: 877.25 mb = 1202.48 m = 3945.10 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 85.25 % Est. max temperature: 11.67 C = 53.01 F Sfc-Lift cond lev (LCL): 968.99 mb = 395.19 m = 1296.55 ft T: 5.83 C 700-500 lapse rate: 7.04 C/km ThetaE index: 1.32 C Layer 925.0- 850.0 mb Conv cond level (CCL): 893.95 mb = 1050.43 m = 3446.25 ft Mean mixing ratio: 4.86 g/kg Conv temperature: 9.64 C = 49.36 F Cap Strength: 1.46 C Lifted Index: 3.90 C Risk: None Lifted Index @300 mb: 12.14 C Lifted Index @700 mb: 1.46 C Showalter Index: 3.78 C Risk: None Total Totals Index: 52.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.50 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 107.00 Risk: None Energy Index: 0.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.35 J/kg Max Up Vert Vel: 4.77 m/s Conv Inhibition (B-): 38256.48 J/kg Cap Strength: 3.84 C Lift Cond Lev (LCL): 912.23 mb = 887.15 m = 2910.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 179 at 7 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 ---------------------------------------------------------- 0 987 245 70 3 -2.8 -1.0 | 18 9 -2.7 -8.2 1 925 775 105 9 -8.7 2.3 | 61 10 -8.5 -4.8 2 850 1457 140 11 -7.1 8.4 | 101 7 -6.9 1.3 3 700 2981 175 7 -0.6 7.0 | 71 0 -0.5 -0.2 4 500 5480 140 11 -7.1 8.4 | 101 7 -6.9 1.3 5 400 7050 205 23 9.7 20.8 | 216 17 9.9 13.7 6 300 8970 210 38 19.0 32.9 | 217 32 19.2 25.8 7 250 10140 200 33 11.3 31.0 | 206 26 11.4 23.9 8 225 10820 230 29 22.2 18.6 | 243 25 22.4 11.5 9 200 11580 240 19 16.5 9.5 | 262 17 16.6 2.4 10 150 13420 255 19 18.4 4.9 | 277 19 18.5 -2.2 11 100 16000 280 11 10.8 -1.9 | 309 14 11.0 -9.0 12 70 18240 295 15 13.6 -6.3 | 314 19 13.8 -13.5 13 50 20340 270 17 17.0 -0.0 | 293 19 17.2 -7.1 14 30 23520 290 21 19.7 -7.2 | 306 25 19.9 -14.3 Wind Parameters Mean winds (0-6000m): 148.7 at 9.5 knts Storm direction: 178.7 at 7.1 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 31.4 neg: -0.1 tot: 31.2 m^2/s^2 ave: 10.4 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.49 Bulk Shear: 7.62 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 96 6 41 9| 6.5 0.0 6.5| 16.0 0.0 16.0 31.9 0.98| 6.8 6.7 1000 109 8 57 8| 4.7 0.0 4.7| 26.2 0.0 26.2 26.2 0.95| 5.8 5.6 1500 122 9 71 8| 3.4 0.0 3.4| 30.7 0.0 30.7 20.5 0.89| 5.1 4.5 2000 130 9 78 7| 2.4 0.0 2.4| 31.3 0.0 31.3 15.6 0.79| 4.4 3.5 2500 136 9 82 6| 1.8 0.0 1.8| 31.3 -0.1 31.3 12.5 0.70| 4.0 2.8 3000 141 9 85 5| 1.5 0.0 1.5| 31.4 -0.1 31.2 10.4 0.65| 3.5 2.3 4000 147 8 89 5| 1.1 0.3 1.4| 31.4 -0.2 31.3 7.8 0.59| 3.0 1.7 5000 147 9 92 5| 0.9 0.6 1.4| 31.4 -1.0 30.4 6.1 0.50| 2.7 1.3 6000 149 10 102 5| 1.5 0.5 2.0| 51.0 -1.4 49.6 8.3 0.60| 3.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251019.00.gif