UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:0000Z 1 DEC 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 189 SFC 988 286 1.8 0.7 92 1.1 1.3 265 3 275.9 276.6 275.1 287.0 4.07 2 925 813 -2.7 -4.8 85 2.1 -3.5 280 35 276.5 277.0 273.8 284.6 2.89 3 881 1199 -5.3 -7.2 86 1.9 -6.0 286 35 277.7 278.2 273.9 284.8 2.52 4 863 1362 -2.9 -5.6 82 2.7 -3.9 288 35 281.9 282.4 276.7 290.2 2.91 5 850 1483 -0.5 -8.5 55 8.0 -3.4 290 35 285.6 286.0 277.9 292.5 2.36 6 848 1502 0.0 -9.0 51 9.0 -3.2 290 35 286.3 286.7 278.2 293.0 2.28 7 839 1587 0.8 -10.2 44 11.0 -3.1 289 34 288.1 288.4 278.7 294.2 2.09 8 802 1948 0.0 -20.0 21 20.0 -5.6 286 31 290.9 291.1 278.6 294.0 0.97 9 742 2566 -3.3 -16.3 36 13.0 -7.2 280 25 293.9 294.1 280.6 298.3 1.44 10 700 3023 -7.3 -19.3 38 12.0 -10.5 275 21 294.4 294.6 280.5 298.1 1.18 11 615 4020 -13.9 -22.9 47 9.0 -16.0 265 24 297.9 298.1 281.8 301.1 0.99 12 528 5161 -22.3 -33.3 36 11.0 -23.9 254 28 301.1 301.2 282.4 302.6 0.44 13 500 5560 -23.9 -38.9 24 15.0 -25.6 250 29 303.9 303.9 283.3 304.8 0.26 14 474 5948 -26.1 -44.1 17 18.0 -27.8 246 29 305.9 305.9 284.0 306.4 0.16 15 464 6102 -27.7 -46.7 15 19.0 -29.3 245 30 305.7 305.8 283.8 306.2 0.12 16 400 7150 -36.3 -49.3 25 13.0 -37.1 235 31 307.8 307.8 284.7 308.2 0.11 17 338 8294 -46.3 -56.3 31 10.0 -46.6 223 40 309.4 309.4 285.1 309.6 0.06 18 300 9080 -50.3 -59.3 34 9.0 -50.5 215 46 314.5 314.5 286.9 314.6 0.04 19 279 9551 -53.3 -62.3 33 9.0 -53.5 316.7 316.7 287.7 316.8 0.03 20 271 9737 -55.9 -64.9 32 9.0 -56.0 315.6 315.6 287.3 315.7 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 962.80 mb = 496.98 m = 1630.50 ft Freezing level: 848.00 mb = 1501.81 m = 4927.15 ft Freezing level: 802.00 mb = 1948.31 m = 6392.01 ft Wetbulb zero: 970.73 mb = 427.24 m = 1401.70 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 47.87 % Est. max temperature: 13.99 C = 57.18 F Sfc-Lift cond lev (LCL): 971.15 mb = 423.83 m = 1390.50 ft T: 0.63 C 700-500 lapse rate: 6.54 C/km ThetaE index: 2.43 C Layer 925.0- 881.0 mb Conv cond level (CCL): 906.95 mb = 968.91 m = 3178.79 ft Mean mixing ratio: 3.19 g/kg Conv temperature: 2.93 C = 37.27 F Cap Strength: 14.01 C Lifted Index: 15.87 C Risk: None Lifted Index @300 mb: 20.64 C Lifted Index @700 mb: 11.49 C Showalter Index: 10.47 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 15.40 C K Index: 2.90 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.92 J/kg Max Up Vert Vel: 3.44 m/s Conv Inhibition (B-): 5073.76 J/kg Cap Strength: 15.61 C Lift Cond Lev (LCL): 913.69 mb = 910.36 m = 2986.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 20 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 ---------------------------------------------------------- 0 988 286 265 3 3.0 0.3 | 125 18 -14.6 10.2 1 925 813 280 35 34.5 -6.1 | 257 17 16.9 3.8 2 850 1483 290 35 32.9 -12.0 | 278 15 15.3 -2.1 3 700 3023 275 21 20.9 -1.8 | 203 9 3.4 8.1 4 500 5560 250 29 27.3 9.9 | 206 22 9.7 19.8 5 400 7150 235 31 25.4 17.8 | 196 29 7.8 27.7 6 300 9080 215 46 26.4 37.7 | 191 48 8.8 47.6 Wind Parameters Mean winds (0-6000m): 269.5 at 26.9 knts Storm direction: 299.5 at 20.2 knts Shear (0-3000m) pos: 5.5 neg: 2.6 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 80.4 deg Storm rel helicity (0-3000m) pos: 108.7 neg: -39.4 tot: 69.3 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 11.75 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 ------------------------------------------------------------------------------- 500 279 18 183 7| 31.4 0.0 31.4| 78.5 0.0 78.5 157.0 0.84| 32.1 26.9 1000 282 27 242 10| 16.6 0.0 16.6|100.8 0.0 100.8 100.8 0.85| 18.9 16.1 1500 284 29 256 11| 11.1 0.9 12.0|107.9 -9.0 98.9 65.9 0.73| 14.3 10.5 2000 285 29 257 11| 8.3 2.0 10.3|107.9 -22.3 85.5 42.8 0.56| 12.1 6.7 2500 284 29 254 11| 6.6 2.6 9.3|107.9 -34.2 73.7 29.5 0.41| 10.7 4.4 3000 283 27 248 10| 5.5 2.6 8.1|108.7 -39.4 69.3 23.1 0.35| 9.5 3.4 4000 280 26 237 10| 4.1 2.1 6.2|110.8 -39.4 71.4 17.9 0.34| 7.8 2.6 5000 275 26 228 12| 3.3 2.0 5.4|110.8 -42.2 68.6 13.7 0.30| 6.8 2.0 6000 269 27 223 14| 2.8 2.1 4.9|110.8 -56.4 54.4 9.1 0.24| 6.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251201.00.gif