UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 17 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 124 SFC 986 240 8.0 6.3 89 1.7 7.1 225 9 282.3 283.3 280.9 299.1 6.07 2 925 764 3.6 1.8 88 1.8 2.8 245 19 283.0 283.8 279.6 296.1 4.71 3 858 1371 -0.7 -3.4 82 2.7 -1.8 258 15 284.6 285.2 278.9 294.5 3.46 4 850 1446 -1.1 -3.5 84 2.4 -2.1 260 15 285.0 285.6 279.0 294.9 3.47 5 746 2479 -4.9 -8.3 77 3.4 -6.1 280 18 291.7 292.2 281.3 299.8 2.74 6 700 2976 -8.7 -13.7 67 5.0 -10.2 290 19 292.9 293.2 280.7 298.6 1.89 7 676 3245 -10.9 -15.5 69 4.6 -12.2 287 21 293.3 293.6 280.7 298.5 1.69 8 659 3440 -11.5 -15.8 70 4.3 -12.8 285 23 294.8 295.1 281.3 300.0 1.69 9 628 3808 -12.3 -22.3 43 10.0 -14.7 280 26 298.0 298.2 281.8 301.2 1.02 10 617 3943 -12.7 -19.7 56 7.0 -14.5 279 28 299.0 299.3 282.7 303.1 1.30 11 589 4295 -15.5 -20.3 67 4.8 -16.7 275 31 299.8 300.0 283.0 303.9 1.29 12 542 4916 -20.3 -27.3 54 7.0 -21.6 267 36 301.3 301.4 282.9 303.7 0.75 13 500 5510 -23.1 -39.1 22 16.0 -25.0 260 42 304.9 304.9 283.7 305.8 0.26 14 460 6117 -27.3 -48.3 12 21.0 -29.0 262 44 307.0 307.0 284.3 307.4 0.10 15 400 7110 -35.1 -55.1 11 20.0 -36.1 265 48 309.4 309.4 285.2 309.6 0.05 16 300 9050 -49.7 -63.7 18 14.0 -50.0 260 58 315.3 315.3 287.2 315.4 0.02 17 265 9855 -55.5 -67.5 21 12.0 -55.6 255 66 318.2 318.2 288.2 318.3 0.02 18 252 10179 -53.9 -65.9 22 12.0 -54.1 260 66 325.1 325.1 290.3 325.2 0.02 19 250 10230 -53.7 -65.7 22 12.0 -53.9 260 66 326.2 326.2 290.6 326.3 0.02 20 245 10360 -52.9 -64.9 22 12.0 -53.1 259 65 329.3 329.3 291.6 329.4 0.03 21 200 11660 -54.5 -68.5 16 14.0 -54.8 250 50 346.5 346.5 295.8 346.5 0.02 22 178 12403 -54.9 -68.9 16 14.0 -55.2 252 46 357.5 357.6 298.2 357.6 0.02 23 163 12967 -52.7 -68.7 13 16.0 -53.1 254 43 370.4 370.4 300.7 370.5 0.02 24 150 13500 -54.5 -70.5 12 16.0 -54.8 255 40 376.2 376.2 301.6 376.3 0.02 25 145 13716 -56.9 -73.9 10 17.0 -57.2 255 39 375.7 375.7 301.5 375.7 0.01 26 100 16070 -57.3 -77.3 6 20.0 -57.7 260 27 417.0 417.0 307.4 417.1 0.01 27 70 18330 -57.9 -79.9 4 22.0 -58.4 240 17 460.5 460.5 311.8 460.6 0.01 28 50 20450 -58.3 -80.3 4 22.0 -59.0 270 21 506.1 506.1 315.4 506.2 0.01 29 30 23660 -58.5 -80.5 4 22.0 -59.6 285 15 585.2 585.2 319.9 585.3 0.02 30 29 23872 -60.1 -82.1 4 22.0 -61.0 285 15 586.5 586.5 320.0 586.6 0.02 31 21 25910 -54.3 -77.3 4 23.0 -56.5 281 15 660.7 660.7 323.1 661.1 0.05 32 20 26220 -57.5 -79.5 4 22.0 -59.2 280 15 660.2 660.2 323.1 660.5 0.04 33 10 30680 -49.5 -73.5 4 24.0 -54.9 834.8 834.9 328.1 836.7 0.18 TRP 265 9855 -55.5 -67.5 21 12.0 -55.6 255 66 318.2 318.2 288.2 318.3 0.02 WND 252 10179 -53.9 -65.9 22 12.0 -54.1 260 66 325.1 325.1 290.3 325.2 0.02 Sounding variables and indices 1000-500 mb thick: 5386.00 m Freezing level: 868.91 mb = 1272.21 m = 4173.86 ft Wetbulb zero: 884.34 mb = 1126.93 m = 3697.22 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 68.50 % Est. max temperature: 11.54 C = 52.77 F Sfc-Lift cond lev (LCL): 960.73 mb = 453.32 m = 1487.25 ft T: 6.21 C 700-500 lapse rate: 5.68 C/km ThetaE index: 4.53 C Layer 925.0- 850.0 mb Conv cond level (CCL): 902.23 mb = 965.22 m = 3166.68 ft Mean mixing ratio: 4.96 g/kg Conv temperature: 9.26 C = 48.66 F Cap Strength: 5.93 C Lifted Index: 8.11 C Risk: None Lifted Index @300 mb: 13.15 C Lifted Index @700 mb: 2.59 C Showalter Index: 9.52 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 19.60 C K Index: 13.50 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.32 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 3.27 J/kg Cap Strength: 7.57 C Lift Cond Lev (LCL): 910.00 mb = 896.03 m = 2939.71 ft Lev Free Conv (LFC): 865.00 mb = 1305.47 m = 4282.99 ft Equ Level (EL): 845.00 mb = 1492.75 m = 4897.43 ft B at Equ Level: 5.94 J/kg Max Parcel Lev (MPL): 815.00 mb = 1778.94 m = 5836.34 ft Wind level data Storm motion: 296 at 19 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 ---------------------------------------------------------- 0 986 240 225 9 6.4 6.4 | 143 19 -11.1 14.9 1 925 764 245 19 17.2 8.0 | 179 17 -0.2 16.6 2 850 1446 260 15 14.8 2.6 | 167 11 -2.6 11.2 3 700 2976 290 19 17.9 -6.5 | 192 2 0.4 2.1 4 500 5510 260 42 41.4 7.3 | 237 29 23.9 15.8 5 400 7110 265 48 47.8 4.2 | 247 33 30.4 12.7 6 300 9050 260 58 57.1 10.1 | 245 44 39.7 18.6 7 265 9855 255 66 63.8 17.1 | 241 53 46.3 25.6 8 252 10179 260 66 65.0 11.5 | 247 52 47.6 20.0 9 250 10230 260 66 65.0 11.5 | 247 52 47.6 20.0 10 200 11660 250 50 47.0 17.1 | 229 39 29.6 25.7 11 150 13500 255 40 38.6 10.4 | 228 28 21.2 18.9 12 100 16070 260 27 26.6 4.7 | 215 16 9.2 13.2 13 70 18330 240 17 14.7 8.5 | 171 17 -2.7 17.1 14 50 20450 270 21 21.0 -0.0 | 203 9 3.6 8.6 15 30 23660 285 15 14.5 -3.9 | 148 6 -2.9 4.7 16 20 26220 280 15 14.8 -2.6 | 156 7 -2.6 5.9 Wind Parameters Mean winds (0-6000m): 266.1 at 25.9 knts Storm direction: 296.1 at 19.4 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 89.1 deg Storm rel helicity (0-3000m) pos: 56.6 neg: -9.5 tot: 47.1 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 30.38 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 ------------------------------------------------------------------------------- 500 238 14 160 17| 10.8 0.0 10.8| 48.7 0.0 48.7 97.3 0.98| 10.9 10.8 1000 245 16 168 16| 4.9 0.0 4.9| 50.1 -5.9 44.2 44.2 0.61| 7.7 4.7 1500 250 16 169 14| 3.7 0.0 3.7| 51.8 -9.5 42.3 28.2 0.47| 6.3 3.0 2000 255 16 171 13| 3.4 0.0 3.4| 53.9 -9.5 44.4 22.2 0.45| 5.5 2.5 2500 261 16 173 11| 3.3 0.0 3.3| 54.9 -9.5 45.4 18.2 0.42| 5.1 2.1 3000 267 17 176 10| 3.2 0.0 3.2| 56.6 -9.5 47.1 15.7 0.44| 5.0 2.2 4000 271 19 191 8| 2.4 1.3 3.8| 58.7 -10.0 48.6 12.2 0.35| 5.1 1.8 5000 269 22 209 10| 1.9 2.2 4.2| 58.7 -23.3 35.3 7.1 0.22| 5.3 1.2 6000 266 26 219 13| 1.8 2.2 4.0| 78.5 -30.3 48.2 8.0 0.23| 4.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251017.12.gif