UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 17 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 1032 43 -0.7 -6.7 64 6.0 -2.7 170 5 270.0 270.4 268.7 276.1 2.24 1 1000 294 -1.5 -9.5 54 8.0 -4.0 195 23 271.6 272.0 269.2 276.8 1.86 2 960 619 -1.3 -11.3 46 10.0 -4.4 229 23 275.0 275.3 271.0 279.8 1.68 3 938 805 1.2 -13.8 32 15.0 -3.4 248 23 279.4 279.7 273.2 283.5 1.40 4 925 917 1.0 -16.0 27 17.0 -3.9 260 23 280.3 280.5 273.3 283.8 1.18 5 909 1057 0.8 -20.2 19 21.0 -4.7 259 24 281.5 281.7 273.5 284.1 0.84 6 892 1208 0.2 -19.8 21 20.0 -5.1 258 26 282.4 282.6 274.0 285.1 0.89 7 850 1593 -1.5 -21.5 20 20.0 -6.5 255 29 284.6 284.7 275.1 287.0 0.81 8 763 2446 -5.7 -27.7 16 22.0 -10.3 261 30 289.0 289.1 277.0 290.6 0.51 9 720 2898 -8.3 -21.3 34 13.0 -11.5 264 31 290.9 291.1 278.6 294.0 0.97 10 700 3116 -9.5 -27.5 22 18.0 -13.2 265 31 292.0 292.1 278.5 293.8 0.57 11 615 4106 -13.7 -29.7 25 16.0 -16.7 261 36 298.2 298.2 281.3 299.9 0.53 12 560 4812 -17.3 -34.3 21 17.0 -20.0 258 40 302.0 302.1 282.7 303.3 0.37 13 500 5650 -23.5 -39.5 22 16.0 -25.4 255 44 304.4 304.4 283.5 305.3 0.25 14 400 7240 -36.1 -48.1 28 12.0 -36.8 250 40 308.1 308.1 284.8 308.5 0.12 15 389 7438 -37.3 -49.3 28 12.0 -38.0 251 40 309.0 309.0 285.1 309.4 0.11 16 378 7639 -40.3 -51.3 30 11.0 -40.8 252 40 307.5 307.6 284.5 307.9 0.09 17 300 9210 -51.5 -59.5 38 8.0 -51.7 260 40 312.8 312.8 286.4 312.9 0.04 18 256 10187 -59.3 -66.3 40 7.0 -59.4 269 37 315.8 315.8 287.3 315.8 0.02 19 250 10330 -60.3 -67.3 39 7.0 -60.4 270 36 316.4 316.4 287.6 316.5 0.02 20 200 11700 -69.7 -76.7 35 7.0 -69.7 275 35 322.4 322.4 289.5 322.4 0.01 21 192 11941 -70.7 -76.7 41 6.0 -70.7 285 35 324.6 324.6 290.2 324.6 0.01 22 188 12065 -70.1 -77.1 35 7.0 -70.1 284 34 327.5 327.5 291.0 327.5 0.01 23 182 12259 -67.3 -74.3 36 7.0 -67.4 283 33 335.1 335.1 293.1 335.1 0.01 24 169 12707 -63.3 -70.3 38 7.0 -63.4 280 30 348.9 348.9 296.4 349.0 0.02 25 150 13440 -61.5 -68.5 39 7.0 -61.6 275 25 364.1 364.1 299.5 364.2 0.03 26 142 13780 -60.9 -67.9 39 7.0 -61.0 278 23 370.9 370.9 300.8 371.1 0.03 27 130 14328 -62.1 -69.1 39 7.0 -62.2 282 21 378.3 378.3 302.0 378.4 0.03 28 118 14927 -61.5 -68.5 39 7.0 -61.6 287 18 390.0 390.0 303.8 390.2 0.03 29 111 15308 -59.1 -66.1 40 7.0 -59.3 290 16 401.4 401.4 305.4 401.6 0.05 30 107 15538 -60.5 -67.5 39 7.0 -60.7 292 15 403.0 403.0 305.6 403.2 0.04 31 104 15715 -59.7 -67.7 35 8.0 -59.9 293 14 407.8 407.8 306.3 408.0 0.04 32 100 15960 -60.3 -68.3 34 8.0 -60.5 295 13 411.2 411.2 306.7 411.4 0.04 33 93 16411 -61.3 -69.3 34 8.0 -61.5 417.9 417.9 307.5 418.1 0.04 34 83 17118 -60.7 -68.7 34 8.0 -60.9 432.9 432.9 309.1 433.2 0.04 TRP 192 11941 -70.7 -76.7 41 6.0 -70.7 285 35 324.6 324.6 290.2 324.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5356.00 m Freezing level: Surface below freezing Freezing level: 948.56 mb = 715.71 m = 2348.12 ft Freezing level: 887.06 mb = 1253.50 m = 4112.49 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 25.85 % Est. max temperature: 12.34 C = 54.22 F Sfc-Lift cond lev (LCL): 939.32 mb = 793.51 m = 2603.34 ft T: 1.05 C 700-500 lapse rate: 5.52 C/km ThetaE index: 0.16 C Layer 700.0- 615.0 mb Conv cond level (CCL): 562.36 mb = 4780.40 m = 15683.55 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 31.41 C = 88.53 F Cap Strength: 20.36 C Lifted Index: 21.36 C Risk: None Lifted Index @300 mb: 24.07 C Lifted Index @700 mb: 14.03 C Showalter Index: 14.98 C Risk: None Total Totals Index: 24.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 2.00 C K Index: -17.50 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 3.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.41 J/kg Max Up Vert Vel: 8.17 m/s Conv Inhibition (B-): 22497.51 J/kg Cap Strength: 21.28 C Lift Cond Lev (LCL): 844.65 mb = 1642.88 m = 5389.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 24 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 1032 43 170 5 -0.9 4.9 | 116 27 -24.2 11.6 1 1000 294 195 23 6.0 22.2 | 149 34 -17.4 28.9 2 925 917 260 23 22.7 4.0 | 176 11 -0.7 10.7 3 850 1593 255 29 28.0 7.5 | 198 15 4.7 14.2 4 700 3116 265 31 30.9 2.7 | 219 12 7.6 9.4 5 500 5650 255 44 42.5 11.4 | 227 26 19.2 18.1 6 400 7240 250 40 37.6 13.7 | 215 25 14.3 20.3 7 300 9210 260 40 39.4 6.9 | 230 21 16.1 13.6 8 250 10330 270 36 36.0 -0.0 | 242 14 12.7 6.7 9 200 11700 275 35 34.9 -3.1 | 253 12 11.5 3.6 10 192 11941 285 35 33.8 -9.1 | 283 11 10.5 -2.4 11 150 13440 275 25 24.9 -2.2 | 199 5 1.6 4.5 12 100 15960 295 13 11.8 -5.5 | 96 12 -11.5 1.2 Wind Parameters Mean winds (0-6000m): 255.9 at 32.3 knts Storm direction: 285.9 at 24.3 knts Shear (0-3000m) pos: 4.8 neg: 0.8 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 247.5 neg: 0.0 tot: 247.5 m^2/s^2 ave: 82.5 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 6.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.36 Bulk Shear: 92.23 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 ------------------------------------------------------------------------------- 500 201 18 145 29| 20.8 0.0 20.8|190.0 0.0 190.0 380.0 0.84| 29.4 24.6 1000 226 21 158 23| 12.6 0.0 12.6|218.9 0.0 218.9 218.9 0.66| 23.2 15.4 1500 239 23 168 19| 8.4 1.6 10.0|230.3 0.0 230.3 153.5 0.67| 17.1 11.5 2000 245 24 175 17| 6.7 1.2 7.9|236.4 0.0 236.4 118.2 0.68| 13.3 9.0 2500 249 25 181 16| 5.6 1.0 6.5|242.0 0.0 242.0 96.8 0.68| 11.0 7.5 3000 252 26 186 15| 4.8 0.8 5.6|247.5 0.0 247.5 82.5 0.69| 9.5 6.6 4000 255 28 195 14| 3.6 1.3 4.9|253.9 0.0 253.9 63.5 0.66| 7.8 5.1 5000 256 30 203 15| 2.9 1.6 4.5|256.9 0.0 256.9 51.4 0.61| 6.9 4.2 6000 256 32 209 17| 2.4 1.6 4.0|257.1 -9.3 247.8 41.3 0.55| 6.1 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251017.12.gif