UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 10 DEC 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1018 1 -36.1 -39.9 68 3.8 -36.2 240 5 235.8 235.9 235.7 236.2 0.12 1 1017 8 -33.7 -38.4 63 4.7 -33.9 239 5 238.3 238.3 238.1 238.7 0.14 2 1016 15 -30.7 -35.3 64 4.6 -30.9 238 5 241.4 241.4 241.2 241.9 0.19 3 1000 127 -28.5 -33.4 63 4.9 -28.8 225 3 244.6 244.7 244.3 245.3 0.23 4 996 156 -28.1 -33.1 62 5.0 -28.5 222 3 245.3 245.4 245.0 246.0 0.24 5 974 316 -28.7 -33.6 63 4.9 -29.0 205 4 246.3 246.3 245.9 246.9 0.23 6 967 367 -27.3 -32.3 62 5.0 -27.7 199 5 248.2 248.3 247.7 248.9 0.26 7 925 687 -27.1 -32.1 62 5.0 -27.5 165 7 251.6 251.6 250.7 252.4 0.28 8 850 1298 -26.3 -30.9 65 4.6 -26.7 175 7 258.6 258.6 256.8 259.6 0.34 9 822 1540 -25.5 -29.9 67 4.4 -25.9 175 6 261.9 262.0 259.5 263.0 0.39 10 700 2695 -29.1 -33.5 66 4.4 -29.5 175 3 270.3 270.3 265.5 271.2 0.32 11 678 2922 -29.9 -34.4 65 4.5 -30.3 175 4 271.8 271.9 266.5 272.8 0.31 12 585 3959 -35.9 -40.9 60 5.0 -36.2 178 6 276.6 276.6 269.4 277.1 0.18 13 500 5030 -43.7 -48.7 58 5.0 -43.9 180 9 279.8 279.8 271.2 280.1 0.09 14 438 5910 -50.3 -55.2 56 4.9 -50.4 177 11 282.2 282.2 272.5 282.4 0.05 15 400 6500 -53.3 -58.3 54 5.0 -53.4 175 13 285.7 285.7 274.5 285.8 0.04 16 347 7403 -58.3 -63.3 53 5.0 -58.3 177 13 290.8 290.8 277.1 290.9 0.02 17 300 8310 -61.3 -66.2 52 4.9 -61.3 180 13 298.9 298.9 280.9 299.0 0.02 18 299 8331 -61.5 -66.4 52 4.9 -61.6 175 13 298.9 298.9 280.9 299.0 0.02 19 298 8352 -61.5 -66.4 52 4.9 -61.6 175 13 299.2 299.2 281.0 299.3 0.02 20 277 8807 -59.5 -64.4 53 4.9 -59.6 177 16 308.4 308.4 284.8 308.5 0.02 21 250 9450 -59.1 -64.1 52 5.0 -59.2 180 21 318.2 318.2 288.2 318.3 0.03 22 200 10860 -56.3 -61.3 53 5.0 -56.4 175 25 343.6 343.6 295.3 343.8 0.05 23 176 11673 -54.5 -59.5 54 5.0 -54.6 173 27 359.4 359.4 298.7 359.7 0.07 24 150 12690 -56.5 -62.5 47 6.0 -56.6 170 29 372.7 372.7 301.1 373.0 0.06 25 100 15270 -57.5 -63.5 46 6.0 -57.7 180 33 416.6 416.6 307.4 417.0 0.07 26 86 16218 -57.5 -64.5 41 7.0 -57.8 180 36 435.0 435.0 309.4 435.4 0.08 27 70 17500 -62.1 -69.1 39 7.0 -62.3 180 40 451.5 451.5 311.0 451.8 0.05 28 67 17769 -63.7 -69.7 44 6.0 -63.8 180 42 453.8 453.8 311.3 454.0 0.05 29 50 19560 -64.3 -71.3 38 7.0 -64.5 180 56 492.0 492.0 314.4 492.3 0.05 30 42 20625 -65.1 -72.1 37 7.0 -65.3 515.1 515.1 316.0 515.5 0.05 TRP 299 8331 -61.5 -66.4 52 4.9 -61.6 175 13 298.9 298.9 280.9 299.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4903.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 62.94 % Est. max temperature: -14.99 C = 5.01 F Sfc-Lift cond lev (LCL): 953.28 mb = 470.23 m = 1542.72 ft T: -27.24 C 700-500 lapse rate: 6.25 C/km ThetaE index: 0.00 C Layer 1018.0--28882151778513119643386622509056.0 mb Conv cond level (CCL): 1017.00 mb = 7.94 m = 26.04 ft Mean mixing ratio: 0.25 g/kg Conv temperature: -32.28 C = -26.11 F Cap Strength: 24.37 C Lifted Index: 25.89 C Risk: None Lifted Index @300 mb: 35.95 C Lifted Index @700 mb: 20.10 C Showalter Index: 16.63 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 12.80 C K Index: -17.90 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 4.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.85 J/kg Max Up Vert Vel: 8.93 m/s Conv Inhibition (B-): 43532.44 J/kg Cap Strength: 25.90 C Lift Cond Lev (LCL): 890.65 mb = 960.45 m = 3151.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 208 at 5 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 1018 1 240 5 4.3 2.5 | 311 3 2.1 -1.8 1 1000 127 225 3 2.1 2.1 | 4 2 -0.1 -2.2 2 925 687 165 7 -1.8 6.8 | 121 5 -4.1 2.5 3 850 1298 175 7 -0.6 7.0 | 133 4 -2.9 2.7 4 700 2695 175 3 -0.3 3.0 | 63 3 -2.5 -1.3 5 500 5030 180 9 0.0 9.0 | 154 5 -2.3 4.7 6 400 6500 175 13 -1.1 13.0 | 159 9 -3.4 8.7 7 300 8310 180 13 0.0 13.0 | 165 9 -2.3 8.7 8 299 8331 175 13 -1.1 13.0 | 159 9 -3.4 8.7 9 250 9450 180 21 0.0 21.0 | 172 17 -2.3 16.7 10 200 10860 175 25 -2.2 24.9 | 168 21 -4.4 20.6 11 150 12690 170 29 -5.0 28.6 | 163 25 -7.3 24.3 12 100 15270 180 33 0.0 33.0 | 176 29 -2.3 28.7 13 70 17500 180 40 0.0 40.0 | 176 36 -2.3 35.7 14 50 19560 180 56 0.0 56.0 | 178 52 -2.3 51.7 Wind Parameters Mean winds (0-6000m): 177.8 at 6.5 knts Storm direction: 207.8 at 4.8 knts Shear (0-3000m) pos: 0.1 neg: 0.9 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 128.0 deg Storm rel helicity (0-3000m) pos: 3.1 neg: -3.1 tot: -0.1 m^2/s^2 ave: -0.0 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 25.09 Bulk Shear: 1.59 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 ------------------------------------------------------------------------------- 500 207 4 31 1| 0.0 5.1 5.1| 1.5 0.0 1.5 3.1 0.69| 6.2 4.3 1000 180 5 119 3| 0.0 3.6 3.6| 2.1 -0.4 1.7 1.7 0.46| 4.7 2.2 1500 178 6 123 3| 0.3 2.4 2.7| 2.5 -0.8 1.8 1.2 0.41| 3.6 1.4 2000 177 6 122 3| 0.2 1.6 1.8| 2.5 -1.8 0.8 0.4 0.25| 3.0 0.8 2500 177 6 116 3| 0.2 1.1 1.3| 2.5 -2.8 -0.2 -0.1 0.12| 2.7 0.3 3000 176 5 110 3| 0.1 0.9 1.1| 3.1 -3.1 -0.1 -0.0 0.12| 2.5 0.3 4000 177 5 109 3| 0.3 0.7 1.0| 4.8 -3.1 1.7 0.4 0.25| 2.2 0.5 5000 178 6 119 3| 0.5 0.6 1.1| 6.7 -3.1 3.5 0.7 0.30| 2.0 0.6 6000 178 6 131 3| 0.4 0.6 1.1| 7.4 -3.1 4.3 0.7 0.28| 1.9 0.5 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251210.12.gif