UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 18 OCT 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1033 42 -2.9 -7.9 68 5.0 -4.4 190 5 267.8 268.1 266.9 273.3 2.04 1 1000 299 -3.7 -9.7 63 6.0 -5.5 190 23 269.5 269.7 267.7 274.5 1.83 2 992 363 -3.3 -9.3 63 6.0 -5.1 196 24 270.5 270.8 268.5 275.7 1.90 3 973 517 0.4 -8.6 51 9.0 -2.6 211 25 275.7 276.0 272.0 281.5 2.05 4 946 743 1.2 -16.8 25 18.0 -3.8 233 27 278.7 278.9 272.3 281.9 1.08 5 925 923 0.6 -18.4 23 19.0 -4.6 250 29 279.9 280.1 272.8 282.8 0.97 6 884 1285 -1.3 -23.3 17 22.0 -6.5 250 29 281.6 281.7 273.2 283.6 0.66 7 850 1597 -2.7 -23.7 18 21.0 -7.6 250 29 283.3 283.4 274.2 285.4 0.66 8 700 3114 -9.9 -30.9 16 21.0 -13.7 265 27 291.5 291.6 278.1 292.9 0.42 9 672 3429 -10.9 -31.9 16 21.0 -14.6 264 28 293.8 293.9 279.1 295.1 0.39 10 544 5028 -19.5 -36.5 21 17.0 -21.9 258 33 301.9 302.0 282.5 303.0 0.31 11 500 5650 -24.5 -40.5 21 16.0 -26.2 255 35 303.2 303.2 283.0 304.0 0.22 12 400 7230 -36.7 -51.7 20 15.0 -37.5 255 35 307.3 307.3 284.4 307.6 0.08 13 300 9160 -51.1 -63.1 23 12.0 -51.3 255 29 313.3 313.3 286.5 313.4 0.03 14 257 10147 -58.7 -69.7 23 11.0 -58.8 255 34 316.3 316.3 287.5 316.3 0.01 15 250 10320 -59.9 -70.9 22 11.0 -60.0 255 35 317.0 317.0 287.8 317.1 0.01 16 200 11690 -67.1 -77.1 23 10.0 -67.1 265 29 326.5 326.5 290.7 326.5 0.01 17 195 11843 -67.7 -77.7 23 10.0 -67.7 265 31 327.9 327.9 291.1 327.9 0.00 18 185 12159 -67.7 -77.7 23 10.0 -67.8 332.9 332.9 292.5 332.9 0.01 19 180 12325 -65.3 -75.3 24 10.0 -65.4 339.4 339.4 294.2 339.5 0.01 TRP 195 11843 -67.7 -77.7 23 10.0 -67.7 265 31 327.9 327.9 291.1 327.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: Surface below freezing Freezing level: 975.05 mb = 499.92 m = 1640.14 ft Freezing level: 912.05 mb = 1037.44 m = 3403.63 ft Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 22.78 % Est. max temperature: 11.13 C = 52.04 F Sfc-Lift cond lev (LCL): 954.79 mb = 668.34 m = 2192.69 ft T: 0.94 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.00 C Layer 1033.0- -0.0 mb Conv cond level (CCL): 574.00 mb = 4622.13 m = 15164.27 ft Mean mixing ratio: 1.71 g/kg Conv temperature: 29.50 C = 85.10 F Cap Strength: 20.50 C Lifted Index: 20.83 C Risk: None Lifted Index @300 mb: 24.93 C Lifted Index @700 mb: 14.16 C Showalter Index: 15.27 C Risk: None Total Totals Index: 22.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 0.80 C K Index: -22.90 Risk: None Sweat Index: 128.89 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.16 J/kg Max Up Vert Vel: 10.41 m/s Conv Inhibition (B-): 9921.58 J/kg Cap Strength: 20.82 C Lift Cond Lev (LCL): 844.90 mb = 1644.05 m = 5393.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 22 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 1033 42 190 5 0.9 4.9 | 116 23 -20.3 10.0 1 1000 299 190 23 4.0 22.7 | 148 33 -17.2 27.8 2 925 923 250 29 27.3 9.9 | 202 16 6.0 15.0 3 850 1597 250 29 27.3 9.9 | 202 16 6.0 15.0 4 700 3114 265 27 26.9 2.4 | 217 9 5.7 7.5 5 500 5650 255 35 33.8 9.1 | 222 19 12.6 14.2 6 400 7230 255 35 33.8 9.1 | 222 19 12.6 14.2 7 300 9160 255 29 28.0 7.5 | 208 14 6.8 12.6 8 250 10320 255 35 33.8 9.1 | 222 19 12.6 14.2 9 200 11690 265 29 28.9 2.5 | 225 11 7.7 7.6 Wind Parameters Mean winds (0-6000m): 253.6 at 29.1 knts Storm direction: 283.6 at 21.8 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 260.3 neg: 0.0 tot: 260.3 m^2/s^2 ave: 86.8 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 6.9 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 0.69 Bulk Shear: 78.05 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 ------------------------------------------------------------------------------- 500 197 19 146 28| 21.4 0.0 21.4|169.9 0.0 169.9 339.8 0.86| 27.9 23.9 1000 222 23 166 23| 13.8 0.0 13.8|249.3 0.0 249.3 249.3 0.83| 23.1 19.1 1500 234 25 177 20| 9.2 0.0 9.2|249.3 0.0 249.3 166.2 0.83| 15.4 12.7 2000 239 26 184 19| 6.9 0.0 6.9|253.4 0.0 253.4 126.7 0.81| 12.1 9.8 2500 243 26 188 17| 5.4 0.0 5.4|257.2 0.0 257.2 102.9 0.79| 10.2 8.1 3000 247 27 192 16| 4.5 0.0 4.5|260.3 0.0 260.3 86.8 0.77| 8.9 6.9 4000 251 27 197 15| 3.4 0.4 3.8|262.7 0.0 262.7 65.7 0.74| 7.2 5.3 5000 253 28 203 14| 2.7 0.7 3.4|263.5 -0.0 263.5 52.7 0.70| 6.1 4.3 6000 254 29 207 15| 2.2 0.8 3.0|263.5 -0.4 263.0 43.8 0.67| 5.3 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251018.00.gif