UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 28 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 1015 77 2.0 -0.1 86 2.1 1.1 180 1 274.0 274.6 273.5 284.1 3.74 1 1000 198 8.0 4.8 80 3.2 6.4 260 17 281.1 282.1 279.6 296.0 5.39 2 986 315 10.6 3.6 62 7.0 7.1 258 17 284.9 285.8 280.9 299.0 5.02 3 957 563 9.4 -2.6 43 12.0 4.1 254 17 286.1 286.7 279.4 295.6 3.29 4 925 845 7.8 -2.2 49 10.0 3.4 250 17 287.3 287.9 280.2 297.4 3.51 5 910 980 7.2 -3.8 45 11.0 2.5 250 17 288.0 288.6 280.1 297.2 3.17 6 850 1536 2.4 -4.6 60 7.0 -0.5 250 19 288.7 289.2 280.4 297.9 3.19 7 810 1924 0.0 -8.0 55 8.0 -3.0 251 17 290.1 290.6 280.3 297.7 2.58 8 780 2224 -2.9 -8.9 63 6.0 -5.1 252 15 290.2 290.6 280.3 297.5 2.50 9 755 2481 -3.9 -7.1 78 3.2 -5.1 253 14 291.8 292.3 281.5 300.6 2.97 10 700 3076 -5.9 -7.9 86 2.0 -6.7 255 11 296.0 296.5 283.4 305.0 3.01 11 660 3536 -7.5 -10.2 81 2.7 -8.5 257 11 299.2 299.7 284.3 307.3 2.66 12 613 4108 -11.7 -14.3 81 2.6 -12.5 259 12 300.7 301.1 284.2 307.2 2.06 13 604 4221 -11.3 -13.6 83 2.3 -12.1 259 12 302.5 302.9 285.1 309.4 2.21 14 602 4247 -11.3 -13.5 84 2.2 -12.0 259 12 302.8 303.2 285.2 309.8 2.24 15 544 5018 -15.9 -22.9 55 7.0 -17.6 262 12 306.2 306.4 285.2 309.8 1.11 16 500 5650 -19.7 -24.7 64 5.0 -20.8 265 13 309.0 309.2 286.2 312.5 1.03 17 496 5709 -20.1 -25.1 64 5.0 -21.2 265 13 309.2 309.4 286.2 312.6 1.00 18 426 6814 -28.9 -36.9 46 8.0 -29.9 261 20 311.8 311.8 286.4 313.1 0.38 19 400 7260 -32.7 -38.7 55 6.0 -33.3 260 23 312.5 312.6 286.6 313.7 0.34 20 332 8545 -43.5 -46.8 70 3.3 -43.7 270 24 314.8 314.8 287.2 315.4 0.17 21 300 9220 -49.1 -52.3 69 3.2 -49.2 275 25 316.1 316.2 287.6 316.5 0.10 22 250 10390 -59.3 -62.5 66 3.2 -59.3 260 19 317.9 317.9 288.1 318.0 0.03 23 209 11486 -68.3 -71.4 64 3.1 -68.3 275 29 320.5 320.5 288.9 320.6 0.01 24 203 11661 -67.9 -71.1 63 3.2 -67.9 272 38 323.8 323.8 289.9 323.9 0.01 25 201 11720 -67.9 -71.1 63 3.2 -67.9 271 41 324.8 324.8 290.2 324.8 0.01 26 200 11750 -67.9 -71.1 63 3.2 -67.9 270 42 325.2 325.2 290.3 325.3 0.01 27 164 12971 -58.5 -61.9 65 3.4 -58.6 263 36 360.0 360.0 298.7 360.2 0.06 28 150 13530 -60.5 -63.9 64 3.4 -60.6 260 33 365.9 365.9 299.8 366.1 0.05 29 100 16060 -60.1 -64.9 53 4.8 -60.2 255 31 411.6 411.6 306.7 411.9 0.06 30 76 17770 -61.7 -67.7 45 6.0 -61.9 274 26 441.9 441.9 310.1 442.2 0.06 31 70 18280 -62.1 -68.1 44 6.0 -62.3 280 25 451.5 451.5 311.0 451.9 0.06 32 56 19644 -66.1 -73.1 37 7.0 -66.2 277 29 472.2 472.2 312.8 472.4 0.03 33 50 20330 -66.1 -73.1 37 7.0 -66.2 275 31 487.7 487.7 314.1 488.0 0.04 34 43 21245 -65.9 -72.9 37 7.0 -66.1 509.7 509.7 315.7 510.0 0.05 TRP 209 11486 -68.3 -71.4 64 3.1 -68.3 275 29 320.5 320.5 288.9 320.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5452.00 m Freezing level: 810.00 mb = 1923.51 m = 6310.65 ft Wetbulb zero: 860.19 mb = 1438.79 m = 4720.37 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 67.31 % Est. max temperature: 16.58 C = 61.85 F Sfc-Lift cond lev (LCL): 982.36 mb = 345.78 m = 1134.42 ft T: 10.45 C 700-500 lapse rate: 5.36 C/km ThetaE index: 3.43 C Layer 957.0- 925.0 mb Conv cond level (CCL): 782.93 mb = 2194.14 m = 7198.52 ft Mean mixing ratio: 4.03 g/kg Conv temperature: 18.23 C = 64.82 F Cap Strength: 10.65 C Lifted Index: 12.07 C Risk: None Lifted Index @300 mb: 14.34 C Lifted Index @700 mb: 5.86 C Showalter Index: 10.69 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 15.10 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 3.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.85 J/kg Max Up Vert Vel: 8.59 m/s Conv Inhibition (B-): 27751.47 J/kg Cap Strength: 11.76 C Lift Cond Lev (LCL): 849.05 mb = 1544.97 m = 5068.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 11 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 1015 77 180 1 0.0 1.0 | 111 11 -10.1 3.9 1 1000 198 260 17 16.7 3.0 | 228 9 6.6 5.9 2 925 845 250 17 16.0 5.8 | 214 11 5.9 8.7 3 850 1536 250 19 17.9 6.5 | 219 12 7.7 9.4 4 700 3076 255 11 10.6 2.8 | 185 6 0.5 5.8 5 500 5650 265 13 13.0 1.1 | 215 5 2.8 4.1 6 400 7260 260 23 22.7 4.0 | 241 14 12.5 6.9 7 300 9220 275 25 24.9 -2.2 | 267 15 14.8 0.8 8 250 10390 260 19 18.7 3.3 | 234 11 8.6 6.2 9 209 11486 275 29 28.9 -2.5 | 269 19 18.8 0.4 10 200 11750 270 42 42.0 -0.0 | 265 32 31.9 2.9 11 150 13530 260 33 32.5 5.7 | 249 24 22.4 8.7 12 100 16060 255 31 29.9 8.0 | 241 23 19.8 11.0 13 70 18280 280 25 24.6 -4.3 | 276 15 14.5 -1.4 14 50 20330 275 31 30.9 -2.7 | 269 21 20.8 0.2 Wind Parameters Mean winds (0-6000m): 256.2 at 14.0 knts Storm direction: 286.2 at 10.5 knts Shear (0-3000m) pos: 1.8 neg: 0.2 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 73.8 deg Storm rel helicity (0-3000m) pos: 39.6 neg: -15.2 tot: 24.4 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 287.68 Bulk Shear: 0.13 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 ------------------------------------------------------------------------------- 500 257 15 216 8| 17.2 0.0 17.2| 36.7 -2.9 33.9 67.7 0.88| 21.8 19.1 1000 254 16 216 9| 8.6 0.7 9.4| 37.7 -5.4 32.3 32.3 0.78| 11.8 9.2 1500 252 17 217 10| 6.1 0.5 6.6| 39.6 -5.4 34.2 22.8 0.77| 8.3 6.4 2000 252 17 217 10| 4.0 0.4 4.3| 39.6 -8.4 31.2 15.6 0.65| 6.9 4.5 2500 252 17 215 10| 2.6 0.3 2.9| 39.6 -11.7 27.9 11.2 0.54| 6.1 3.3 3000 252 16 213 9| 1.8 0.2 2.0| 39.6 -15.2 24.4 8.1 0.43| 5.5 2.4 4000 253 15 209 8| 1.5 0.2 1.6| 41.1 -15.2 25.9 6.5 0.45| 4.3 1.9 5000 255 14 208 8| 1.3 0.1 1.4| 42.6 -15.2 27.4 5.5 0.47| 3.5 1.7 6000 256 14 209 7| 1.1 0.3 1.4| 45.9 -15.2 30.6 5.1 0.48| 3.2 1.6 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251028.00.gif