UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 7 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 208 SFC 990 285 -10.1 -11.2 92 1.1 -10.4 70 3 263.8 264.1 263.4 268.2 1.64 2 970 440 -11.9 -14.4 82 2.5 -12.5 114 6 263.5 263.7 262.5 267.0 1.29 3 947 622 -11.7 -14.0 83 2.3 -12.2 165 10 265.6 265.8 264.1 269.3 1.37 4 925 802 -8.3 -9.8 89 1.5 -8.7 215 13 270.8 271.1 268.8 276.2 1.96 5 916 879 -6.9 -8.1 91 1.2 -7.3 220 13 273.0 273.4 270.7 279.3 2.26 6 850 1464 -9.7 -11.7 85 2.0 -10.3 255 13 276.0 276.3 271.8 281.2 1.83 7 744 2483 -14.5 -17.1 81 2.6 -15.1 255 13 281.5 281.7 274.2 285.4 1.34 8 700 2941 -18.7 -21.6 78 2.9 -19.3 255 13 281.8 281.9 273.8 284.7 0.97 9 591 4179 -28.3 -31.1 77 2.8 -28.6 265 20 284.6 284.7 274.6 286.1 0.48 10 548 4719 -30.3 -32.9 78 2.6 -30.6 270 23 288.4 288.5 276.6 289.8 0.44 11 534 4901 -33.7 -36.0 80 2.3 -33.9 271 24 286.5 286.6 275.4 287.6 0.33 12 500 5360 -36.7 -39.1 78 2.4 -36.9 275 27 288.3 288.3 276.2 289.1 0.26 13 497 5402 -37.5 -39.7 80 2.2 -37.7 275 28 287.8 287.9 275.9 288.6 0.24 14 477 5687 -36.3 -38.8 78 2.5 -36.5 272 31 292.7 292.7 278.4 293.6 0.28 15 400 6890 -44.1 -51.1 46 7.0 -44.3 260 46 297.7 297.7 280.4 298.0 0.09 16 382 7197 -45.6 -53.7 40 8.1 -45.9 210 68 299.6 299.7 281.3 299.9 0.07 17 367 7462 -46.9 -55.9 35 9.0 -47.1 222 66 301.4 301.4 282.0 301.6 0.05 18 347 7831 -48.9 -57.9 34 9.0 -49.1 240 62 303.5 303.5 282.9 303.7 0.04 19 300 8770 -55.7 -63.7 36 8.0 -55.8 285 54 306.8 306.8 284.1 306.9 0.02 20 272 9387 -61.3 -69.3 34 8.0 -61.4 289 49 307.4 307.4 284.4 307.5 0.01 21 264 9572 -61.9 -69.9 34 8.0 -62.0 290 48 309.2 309.2 285.0 309.2 0.01 22 250 9910 -62.1 -70.1 34 8.0 -62.1 285 46 313.7 313.7 286.6 313.8 0.01 23 214 10862 -61.7 -69.7 34 8.0 -61.8 288 43 328.6 328.6 291.3 328.7 0.01 24 207 11067 -58.7 -66.7 35 8.0 -58.8 289 43 336.5 336.5 293.4 336.6 0.02 25 202 11219 -60.9 -68.9 34 8.0 -61.0 290 42 335.4 335.4 293.2 335.4 0.02 26 200 11280 -60.9 -68.9 34 8.0 -61.0 290 42 336.3 336.3 293.4 336.4 0.02 27 181 11996 -59.3 -68.3 30 9.0 -59.5 291 39 348.7 348.7 296.4 348.8 0.02 28 70 18530 -56.5 -72.5 12 16.0 -57.1 305 9 463.5 463.5 312.1 463.7 0.03 29 58 19721 -57.9 -74.9 10 17.0 -58.5 313 9 486.0 486.0 314.0 486.1 0.03 30 50 20660 -56.5 -74.5 9 18.0 -57.3 320 9 510.3 510.3 315.7 510.5 0.03 31 45 21330 -55.5 -74.5 8 19.0 -56.5 528.4 528.4 316.8 528.6 0.04 32 40 22077 -57.9 -76.9 7 19.0 -58.7 540.4 540.5 317.6 540.6 0.03 TRP 264 9572 -61.9 -69.9 34 8.0 -62.0 290 48 309.2 309.2 285.0 309.2 0.01 WND 382 7197 -45.6 -53.7 40 8.1 -45.9 210 68 299.6 299.7 281.3 299.9 0.07 Sounding variables and indices 1000-500 mb thick: 5152.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 80.94 % Est. max temperature: 2.53 C = 36.55 F Sfc-Lift cond lev (LCL): 972.52 mb = 420.36 m = 1379.12 ft T: -11.67 C 700-500 lapse rate: 7.44 C/km ThetaE index: 1.17 C Layer 970.0- 947.0 mb Conv cond level (CCL): 984.22 mb = 329.36 m = 1080.55 ft Mean mixing ratio: 1.73 g/kg Conv temperature: -10.17 C = 13.69 F Cap Strength: 13.33 C Lifted Index: 12.73 C Risk: None Lifted Index @300 mb: 23.97 C Lifted Index @700 mb: 9.35 C Showalter Index: 6.29 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 25.00 C K Index: 12.40 Risk: None Sweat Index: 113.00 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.96 J/kg Max Up Vert Vel: 10.29 m/s Conv Inhibition (B-): 39945.52 J/kg Cap Strength: 13.02 C Lift Cond Lev (LCL): 915.48 mb = 883.16 m = 2897.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 14 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 ---------------------------------------------------------- 0 990 285 70 3 -2.8 -1.0 | 106 16 -15.7 4.4 1 925 802 215 13 7.5 10.6 | 161 17 -5.4 16.1 2 850 1464 255 13 12.6 3.4 | 178 9 -0.3 8.8 3 700 2941 255 13 12.6 3.4 | 178 9 -0.3 8.8 4 500 5360 275 27 26.9 -2.4 | 258 14 14.0 3.1 5 400 6890 260 46 45.3 8.0 | 248 35 32.4 13.4 6 382 7197 210 68 34.0 58.9 | 198 68 21.1 64.3 7 300 8770 285 54 52.2 -14.0 | 282 40 39.3 -8.5 8 264 9572 290 48 45.1 -16.4 | 289 34 32.2 -11.0 9 250 9910 285 46 44.4 -11.9 | 282 32 31.6 -6.5 10 200 11280 290 42 39.5 -14.4 | 289 28 26.6 -8.9 11 70 18530 305 9 7.4 -5.2 | 93 5 -5.5 0.3 12 50 20660 320 9 5.8 -6.9 | 78 7 -7.1 -1.5 Wind Parameters Mean winds (0-6000m): 262.9 at 18.6 knts Storm direction: 292.9 at 14.0 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 86.1 deg Storm rel helicity (0-3000m) pos: 118.9 neg: 0.0 tot: 118.9 m^2/s^2 ave: 39.6 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.58 Bulk Shear: 33.43 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 ------------------------------------------------------------------------------- 500 205 8 143 16| 15.5 0.0 15.5| 96.2 0.0 96.2 192.4 0.86| 22.1 18.9 1000 222 10 156 14| 8.2 0.0 8.2|112.2 0.0 112.2 112.2 0.77| 15.0 11.5 1500 235 11 163 12| 5.5 0.0 5.5|114.0 0.0 114.0 76.0 0.73| 10.8 7.9 2000 241 12 167 11| 4.1 0.0 4.1|114.0 0.0 114.0 57.0 0.73| 8.1 5.9 2500 245 12 169 11| 3.3 0.0 3.3|114.0 0.0 114.0 45.6 0.73| 6.5 4.8 3000 247 12 171 10| 3.1 0.0 3.1|118.9 0.0 118.9 39.6 0.75| 5.8 4.3 4000 253 14 181 10| 3.0 0.0 3.0|134.0 0.0 134.0 33.5 0.78| 5.2 4.0 5000 260 16 198 9| 3.0 0.0 3.0|152.1 0.0 152.1 30.4 0.79| 4.8 3.8 6000 263 19 216 10| 2.5 1.1 3.6|153.6 -11.4 142.2 23.7 0.59| 5.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251207.12.gif