UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 2 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 105 SFC 989 186 -21.9 -26.2 68 4.3 -22.4 120 5 252.0 252.1 251.5 253.3 0.46 2 925 676 -24.5 -28.9 67 4.4 -24.9 190 27 254.3 254.3 253.2 255.3 0.38 3 874 1086 -27.5 -31.7 67 4.2 -27.8 217 30 255.3 255.3 254.0 256.2 0.31 4 850 1287 -24.9 -28.7 71 3.8 -25.3 230 31 260.1 260.1 258.1 261.3 0.42 5 816 1587 -21.3 -24.1 78 2.8 -21.7 230 32 266.9 267.0 263.8 268.8 0.67 6 765 2069 -15.9 -18.3 82 2.4 -16.4 230 34 277.7 277.9 271.8 281.2 1.18 7 700 2736 -18.3 -20.9 80 2.6 -18.8 230 36 282.2 282.4 274.2 285.3 1.03 8 655 3232 -17.9 -20.1 83 2.2 -18.4 233 36 288.1 288.3 277.5 291.7 1.18 9 648 3312 -18.3 -20.5 83 2.2 -18.8 233 36 288.5 288.7 277.7 292.0 1.15 10 572 4232 -23.3 -26.5 75 3.2 -23.8 239 37 293.1 293.3 279.3 295.6 0.77 11 500 5200 -31.1 -34.5 72 3.4 -31.4 245 38 295.1 295.2 279.8 296.5 0.41 12 419 6435 -41.3 -44.6 70 3.3 -41.5 245 41 297.3 297.4 280.4 297.9 0.17 13 400 6750 -43.5 -47.0 68 3.5 -43.6 245 42 298.5 298.5 280.8 298.9 0.14 14 349 7648 -49.9 -53.4 66 3.5 -50.0 247 49 301.7 301.7 282.1 302.0 0.08 15 300 8610 -59.5 -63.1 63 3.6 -59.5 250 56 301.5 301.5 282.0 301.6 0.03 16 273 9198 -65.3 -68.9 61 3.6 -65.3 255 50 301.3 301.3 281.9 301.4 0.01 17 250 9740 -64.1 -67.9 60 3.8 -64.1 270 40 310.8 310.8 285.6 310.8 0.02 18 200 11110 -61.9 -65.5 62 3.6 -62.0 275 31 334.7 334.7 293.0 334.9 0.03 19 156 12647 -60.5 -64.4 60 3.9 -60.6 305 29 361.8 361.8 299.1 362.0 0.04 20 150 12890 -60.7 -64.6 60 3.9 -60.8 310 29 365.5 365.5 299.8 365.7 0.04 21 100 15400 -63.1 -67.7 54 4.6 -63.2 320 27 405.8 405.8 306.0 406.0 0.04 22 90 16039 -69.1 -74.1 48 5.0 -69.2 406.3 406.3 306.0 406.4 0.02 23 74 17224 -63.9 -68.9 50 5.0 -64.0 440.6 440.6 310.0 440.9 0.05 TRP 273 9198 -65.3 -68.9 61 3.6 -65.3 255 50 301.3 301.3 281.9 301.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5095.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 75.70 % Est. max temperature: -11.74 C = 10.87 F Sfc-Lift cond lev (LCL): 920.90 mb = 708.12 m = 2323.21 ft T: -24.74 C 700-500 lapse rate: 5.19 C/km Conv cond level (CCL): 461.64 mb = 5757.62 m = 18889.61 ft Mean mixing ratio: 0.39 g/kg Conv temperature: 22.10 C = 71.78 F Cap Strength: 32.75 C Lifted Index: 33.10 C Risk: None Lifted Index @300 mb: 33.09 C Lifted Index @700 mb: 25.10 C Showalter Index: 27.83 C Risk: None Total Totals Index: 8.60 C Risk: None Vertical Totals Index: 6.20 C Cross Totals Index: 2.40 C K Index: -25.10 Risk: None Sweat Index: 157.35 Risk: None Energy Index: 7.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.58 J/kg Max Up Vert Vel: 4.60 m/s Conv Inhibition (B-): 30558.76 J/kg Cap Strength: 33.11 C Lift Cond Lev (LCL): 873.11 mb = 1093.29 m = 3586.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 26 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 ---------------------------------------------------------- 0 989 186 120 5 -4.3 2.5 | 89 30 -29.7 -0.5 1 925 676 190 27 4.7 26.6 | 139 31 -20.6 23.6 2 850 1287 230 31 23.7 19.9 | 175 17 -1.6 17.0 3 700 2736 230 36 27.6 23.1 | 186 20 2.2 20.2 4 500 5200 245 38 34.4 16.1 | 215 16 9.1 13.1 5 400 6750 245 42 38.1 17.7 | 221 20 12.7 14.8 6 300 8610 250 56 52.6 19.2 | 239 32 27.3 16.2 7 273 9198 255 50 48.3 12.9 | 246 25 23.0 10.0 8 250 9740 270 40 40.0 -0.0 | 281 15 14.7 -3.0 9 200 11110 275 31 30.9 -2.7 | 316 8 5.6 -5.7 10 150 12890 310 29 22.2 -18.6 | 8 22 -3.1 -21.6 11 100 15400 320 27 17.4 -20.7 | 19 25 -8.0 -23.6 Wind Parameters Mean winds (0-6000m): 233.4 at 34.0 knts Storm direction: 263.4 at 25.5 knts Shear (0-3000m) pos: 6.0 neg: 0.6 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 101.6 deg Storm rel helicity (0-3000m) pos: 369.2 neg: 0.0 tot: 369.2 m^2/s^2 ave: 123.1 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 8.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.11 Bulk Shear: 98.53 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 ------------------------------------------------------------------------------- 500 181 16 118 28| 26.6 0.0 26.6|249.0 0.0 249.0 498.1 0.95| 31.0 29.6 1000 199 22 135 26| 16.4 0.0 16.4|330.5 0.0 330.5 330.5 0.87| 24.1 21.0 1500 212 25 147 22| 11.8 0.0 11.8|347.8 0.0 347.8 231.8 0.86| 17.8 15.3 2000 217 27 155 21| 8.9 0.4 9.3|354.2 0.0 354.2 177.1 0.85| 13.8 11.8 2500 221 29 161 20| 7.1 0.7 7.8|360.6 0.0 360.6 144.2 0.85| 11.4 9.7 3000 223 30 165 20| 6.0 0.6 6.6|369.2 0.0 369.2 123.1 0.85| 9.8 8.3 4000 227 32 173 19| 4.7 0.4 5.1|386.3 0.0 386.3 96.6 0.85| 7.9 6.7 5000 230 33 180 18| 3.9 0.4 4.2|403.0 0.0 403.0 80.6 0.86| 6.7 5.8 6000 233 34 186 17| 3.4 0.4 3.8|408.6 0.0 408.6 68.1 0.84| 5.8 4.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251202.00.gif