UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 27 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 8 SFC 972 242 7.0 5.0 87 2.0 6.0 200 11 282.4 283.4 280.4 298.0 5.63 2 925 648 3.8 2.0 88 1.8 2.9 200 25 283.2 284.0 279.8 296.5 4.78 3 850 1330 -0.5 -2.0 90 1.5 -1.2 205 33 285.6 286.3 279.8 296.7 3.88 4 771 2103 -6.1 -9.0 80 2.9 -7.1 215 29 287.7 288.1 279.1 295.0 2.51 5 700 2855 -10.1 -13.0 79 2.9 -11.0 225 25 291.3 291.7 280.1 297.3 2.01 6 597 4064 -16.7 -21.0 69 4.3 -17.7 220 30 297.2 297.4 281.8 301.0 1.20 7 509 5241 -24.9 -30.9 57 6.0 -25.8 216 34 301.1 301.2 282.6 303.0 0.57 8 500 5370 -26.7 -32.7 57 6.0 -27.5 215 35 300.5 300.6 282.2 302.1 0.49 9 400 6940 -39.5 -47.5 42 8.0 -39.9 210 35 303.7 303.7 283.0 304.1 0.13 10 382 7253 -43.3 -51.3 41 8.0 -43.6 211 37 302.7 302.7 282.6 303.0 0.09 11 305 8734 -54.5 -62.5 37 8.0 -54.6 215 46 307.1 307.1 284.2 307.2 0.03 12 300 8840 -53.3 -60.3 42 7.0 -53.4 215 46 310.2 310.2 285.4 310.4 0.04 13 293 8992 -52.3 -59.3 43 7.0 -52.5 216 45 313.7 313.8 286.7 313.9 0.04 14 253 9934 -54.9 -62.9 36 8.0 -55.1 224 42 323.3 323.3 289.8 323.5 0.03 15 250 10010 -53.3 -62.3 33 9.0 -53.5 225 42 326.8 326.8 290.9 327.0 0.04 16 226 10664 -48.5 -58.5 30 10.0 -48.8 220 40 343.7 343.8 295.3 344.0 0.06 17 200 11460 -50.7 -63.7 20 13.0 -51.1 215 38 352.5 352.5 297.2 352.6 0.04 18 150 13330 -53.5 -68.5 14 15.0 -53.9 240 44 377.9 377.9 301.9 378.0 0.03 19 128 14340 -57.1 -73.1 11 16.0 -57.4 250 46 388.9 389.0 303.6 389.0 0.02 20 103 15713 -57.1 -73.1 11 16.0 -57.5 263 48 413.9 413.9 307.0 414.0 0.02 21 100 15900 -57.3 -73.3 11 16.0 -57.7 265 48 417.0 417.0 307.4 417.1 0.02 22 73 17886 -57.7 -73.7 11 16.0 -58.2 274 37 455.4 455.5 311.4 455.6 0.02 23 70 18150 -58.7 -74.7 11 16.0 -59.2 275 35 458.8 458.8 311.7 458.9 0.02 24 63 18811 -61.5 -77.5 10 16.0 -61.9 466.7 466.7 312.4 466.8 0.02 25 50 20250 -61.3 -77.3 10 16.0 -61.7 499.0 499.0 314.9 499.2 0.02 26 44 21044 -61.1 -77.1 10 16.0 -61.6 518.1 518.1 316.2 518.2 0.02 TRP 305 8734 -54.5 -62.5 37 8.0 -54.6 215 46 307.1 307.1 284.2 307.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 858.72 mb = 1250.70 m = 4103.29 ft Wetbulb zero: 871.07 mb = 1132.53 m = 3715.62 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 76.33 % Est. max temperature: 10.87 C = 51.57 F Sfc-Lift cond lev (LCL): 942.67 mb = 493.04 m = 1617.56 ft T: 5.02 C 700-500 lapse rate: 6.60 C/km ThetaE index: 1.66 C Layer 771.0- 700.0 mb Conv cond level (CCL): 882.08 mb = 1031.20 m = 3383.17 ft Mean mixing ratio: 4.80 g/kg Conv temperature: 9.11 C = 48.40 F Cap Strength: 5.14 C Lifted Index: 4.45 C Risk: None Lifted Index @300 mb: 9.49 C Lifted Index @700 mb: 1.13 C Showalter Index: 4.63 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 24.70 C K Index: 21.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 185.71 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.47 J/kg Max Up Vert Vel: 4.35 m/s Conv Inhibition (B-): 16.04 J/kg Cap Strength: 5.00 C Lift Cond Lev (LCL): 896.39 mb = 901.39 m = 2957.29 ft Lev Free Conv (LFC): 771.39 mb = 2099.09 m = 6886.69 ft Equ Level (EL): 761.39 mb = 2200.72 m = 7220.12 ft B at Equ Level: 9.10 J/kg Max Parcel Lev (MPL): 711.39 mb = 2729.37 m = 8954.50 ft Wind level data Storm motion: 244 at 22 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 ---------------------------------------------------------- 0 972 242 200 11 3.8 10.3 | 93 16 -16.3 0.7 1 925 648 200 25 8.6 23.5 | 140 18 -11.5 13.9 2 850 1330 205 33 13.9 29.9 | 163 21 -6.1 20.3 3 700 2855 225 25 17.7 17.7 | 164 8 -2.4 8.1 4 500 5370 215 35 20.1 28.7 | 180 19 0.0 19.1 5 400 6940 210 35 17.5 30.3 | 173 21 -2.5 20.7 6 305 8734 215 46 26.4 37.7 | 193 29 6.3 28.1 7 300 8840 215 46 26.4 37.7 | 193 29 6.3 28.1 8 250 10010 225 42 29.7 29.7 | 206 22 9.7 20.1 9 200 11460 215 38 21.8 31.1 | 185 22 1.8 21.5 10 150 13330 240 44 38.1 22.0 | 236 22 18.1 12.4 11 100 15900 265 48 47.8 4.2 | 281 28 27.8 -5.4 12 70 18150 275 35 34.9 -3.1 | 311 19 14.8 -12.7 Wind Parameters Mean winds (0-6000m): 214.4 at 29.6 knts Storm direction: 244.4 at 22.2 knts Shear (0-3000m) pos: 2.8 neg: 0.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 77.0 deg Storm rel helicity (0-3000m) pos: 104.7 neg: -1.3 tot: 103.4 m^2/s^2 ave: 34.5 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.51 Bulk Shear: 18.58 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 ------------------------------------------------------------------------------- 500 200 19 123 16| 15.5 0.0 15.5| 62.9 0.0 62.9 125.7 0.96| 15.6 15.0 1000 202 24 139 17| 10.8 0.0 10.8| 92.0 0.0 92.0 92.0 0.95| 11.0 10.4 1500 204 27 148 18| 6.9 0.0 6.9|101.0 0.0 101.0 67.3 0.85| 8.9 7.5 2000 206 28 152 17| 4.6 0.0 4.6|102.5 0.0 102.5 51.2 0.74| 7.8 5.7 2500 209 27 155 16| 3.3 0.0 3.3|102.5 -0.9 101.6 40.6 0.64| 7.1 4.5 3000 211 27 156 15| 2.8 0.2 2.9|104.7 -1.3 103.4 34.5 0.62| 6.3 3.9 4000 214 27 160 14| 2.1 0.7 2.8|109.5 -1.3 108.2 27.1 0.59| 5.3 3.1 5000 215 29 164 14| 1.7 1.0 2.7|112.5 -1.3 111.2 22.2 0.55| 4.7 2.6 6000 214 30 167 15| 1.4 1.0 2.3|112.6 -8.4 104.3 17.4 0.49| 4.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251027.12.gif