UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103000.upa.cvt Date: 0000Z 30 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 30 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1009 71 6.6 0.6 65 6.0 3.9 200 3 279.0 279.7 276.6 290.0 3.95 1 1000 145 7.6 0.6 61 7.0 4.4 215 15 280.8 281.4 277.6 291.9 3.99 2 983 287 8.4 0.4 57 8.0 4.7 219 17 282.9 283.6 278.7 294.2 4.00 3 925 787 6.0 1.1 71 4.9 3.7 235 23 285.4 286.2 280.5 298.1 4.48 4 905 966 5.6 1.8 76 3.8 3.8 235 23 286.8 287.7 281.5 300.5 4.81 5 857 1413 5.8 1.2 72 4.6 3.5 235 23 291.5 292.4 283.7 305.6 4.87 6 850 1480 5.8 2.5 79 3.3 4.1 235 23 292.2 293.2 284.5 307.8 5.39 7 747 2526 -0.5 -2.4 87 1.9 -1.4 235 32 296.4 297.1 284.9 309.1 4.29 8 700 3044 -2.7 -4.5 87 1.8 -3.5 235 36 299.5 300.2 285.8 311.3 3.91 9 639 3764 -5.7 -7.6 86 1.9 -6.5 235 39 304.0 304.6 286.9 314.4 3.38 10 612 4101 -8.3 -10.8 82 2.5 -9.2 235 40 304.8 305.3 286.5 313.4 2.74 11 500 5640 -18.9 -21.4 81 2.5 -19.5 235 46 310.0 310.3 286.9 314.6 1.38 12 461 6239 -23.1 -25.3 82 2.2 -23.5 237 44 312.0 312.2 287.3 315.6 1.06 13 400 7260 -31.1 -33.7 78 2.6 -31.4 240 40 314.6 314.7 287.6 316.5 0.55 14 300 9240 -47.3 -52.2 57 4.9 -47.5 245 38 318.7 318.7 288.5 319.1 0.10 15 266 10018 -54.1 -58.9 55 4.8 -54.2 248 46 319.9 319.9 288.8 320.1 0.05 16 250 10410 -57.5 -62.2 55 4.7 -57.6 250 50 320.6 320.6 289.0 320.7 0.04 17 232 10878 -61.3 -65.9 54 4.6 -61.3 254 52 321.7 321.7 289.3 321.8 0.02 18 205 11640 -65.3 -69.8 54 4.5 -65.3 260 56 327.0 327.0 290.9 327.1 0.02 19 200 11790 -65.5 -70.0 53 4.5 -65.5 260 60 329.1 329.1 291.5 329.1 0.02 20 194 11975 -65.7 -70.2 53 4.5 -65.7 261 59 331.6 331.6 292.2 331.7 0.02 21 150 13550 -61.7 -66.2 55 4.5 -61.8 265 48 363.8 363.8 299.5 363.9 0.03 22 138 14069 -60.1 -64.7 55 4.6 -60.2 265 46 375.4 375.4 301.5 375.6 0.05 23 127 14583 -63.5 -68.1 53 4.6 -63.6 265 45 378.3 378.3 302.0 378.4 0.03 24 120 14934 -60.9 -65.8 52 4.9 -61.0 265 44 389.2 389.2 303.7 389.4 0.05 25 113 15307 -61.9 -66.8 52 4.9 -62.0 265 42 394.1 394.1 304.4 394.3 0.04 26 104 15819 -63.5 -68.5 51 5.0 -63.6 265 41 400.5 400.5 305.3 400.7 0.04 27 103 15878 -63.7 -68.7 50 5.0 -63.8 265 41 401.2 401.3 305.4 401.4 0.04 28 102 15938 -63.3 -68.3 51 5.0 -63.4 265 40 403.1 403.1 305.6 403.3 0.04 29 101 15999 -63.7 -68.7 50 5.0 -63.8 265 40 403.5 403.5 305.7 403.7 0.04 30 100 16060 -63.5 -68.5 51 5.0 -63.6 265 40 405.0 405.0 305.9 405.2 0.04 31 70 18250 -63.7 -69.7 44 6.0 -63.8 260 36 448.1 448.1 310.7 448.4 0.05 32 50 20320 -64.9 -70.9 43 6.0 -65.1 255 33 490.5 490.6 314.3 490.9 0.05 33 40 21680 -65.1 -71.1 43 6.0 -65.3 522.4 522.4 316.5 522.8 0.07 34 33 22847 -67.1 -73.1 42 6.0 -67.3 546.6 546.6 317.9 547.0 0.06 TRP 205 11640 -65.3 -69.8 54 4.5 -65.3 260 56 327.0 327.0 290.9 327.1 0.02 WND 200 11790 -65.5 -70.0 53 4.5 -65.5 260 60 329.1 329.1 291.5 329.1 0.02 Sounding variables and indices 1000-500 mb thick: 5495.00 m Freezing level: 755.17 mb = 2442.97 m = 8014.89 ft Wetbulb zero: 772.93 mb = 2249.68 m = 7380.76 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 79.99 % Est. max temperature: 18.93 C = 66.08 F Sfc-Lift cond lev (LCL): 920.20 mb = 829.68 m = 2722.00 ft T: 5.90 C 700-500 lapse rate: 6.24 C/km Conv cond level (CCL): 673.55 mb = 3348.01 m = 10984.16 ft Mean mixing ratio: 4.24 g/kg Conv temperature: 29.02 C = 84.23 F Cap Strength: 11.51 C Lifted Index: 13.13 C Risk: None Lifted Index @300 mb: 16.37 C Lifted Index @700 mb: 9.29 C Showalter Index: 4.81 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 21.40 C K Index: 25.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 122.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.24 J/kg Max Up Vert Vel: 6.20 m/s Conv Inhibition (B-): 32855.32 J/kg Cap Strength: 12.97 C Lift Cond Lev (LCL): 869.76 mb = 1291.64 m = 4237.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 25 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 1009 71 200 3 1.0 2.8 | 91 24 -24.1 0.4 1 1000 145 215 15 8.6 12.3 | 121 19 -16.6 9.9 2 925 787 235 23 18.8 13.2 | 150 13 -6.3 10.8 3 850 1480 235 23 18.8 13.2 | 150 13 -6.3 10.8 4 700 3044 235 36 29.5 20.6 | 193 19 4.3 18.2 5 500 5640 235 46 37.7 26.4 | 208 27 12.5 24.0 6 400 7260 240 40 34.6 20.0 | 208 20 9.5 17.6 7 300 9240 245 38 34.4 16.1 | 214 17 9.3 13.7 8 250 10410 250 50 47.0 17.1 | 236 26 21.8 14.7 9 205 11640 260 56 55.1 9.7 | 256 31 30.0 7.3 10 200 11790 260 60 59.1 10.4 | 257 35 33.9 8.0 11 150 13550 265 48 47.8 4.2 | 266 23 22.7 1.8 12 100 16060 265 40 39.8 3.5 | 266 15 14.7 1.1 13 70 18250 260 36 35.5 6.3 | 250 11 10.3 3.8 14 50 20320 255 33 31.9 8.5 | 228 9 6.7 6.1 Wind Parameters Mean winds (0-6000m): 234.5 at 33.7 knts Storm direction: 264.5 at 25.3 knts Shear (0-3000m) pos: 3.5 neg: 2.2 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 102.6 deg Storm rel helicity (0-3000m) pos: 137.2 neg: 0.0 tot: 137.2 m^2/s^2 ave: 45.7 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.44 Bulk Shear: 43.33 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 ------------------------------------------------------------------------------- 500 222 16 125 17| 18.2 0.0 18.2| 83.9 0.0 83.9 167.8 0.86| 19.5 16.9 1000 229 19 134 15| 10.6 0.0 10.6| 93.9 0.0 93.9 93.9 0.85| 11.7 9.9 1500 231 21 139 14| 7.1 0.3 7.3| 96.5 0.0 96.5 64.3 0.85| 8.0 6.8 2000 232 22 144 13| 5.3 1.3 6.6|110.2 0.0 110.2 55.1 0.87| 7.1 6.1 2500 233 24 152 13| 4.2 1.9 6.1|123.9 0.0 123.9 49.5 0.86| 6.5 5.6 3000 234 25 159 14| 3.5 2.2 5.8|137.2 0.0 137.2 45.7 0.85| 6.1 5.2 4000 234 28 171 14| 2.7 2.2 4.8|149.9 0.0 149.9 37.5 0.82| 5.1 4.2 5000 234 31 181 16| 2.1 2.1 4.3|162.6 0.0 162.6 32.5 0.80| 4.5 3.6 6000 235 34 188 17| 1.7 1.9 3.6|171.0 0.0 171.0 28.5 0.76| 4.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251030.00.gif