UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 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 42 -3.1 -7.2 73 4.1 -4.4 200 5 267.6 268.0 267.0 273.4 2.15 1 1000 290 -4.7 -9.7 68 5.0 -6.2 190 25 268.5 268.7 267.0 273.4 1.83 2 998 306 -4.7 -9.7 68 5.0 -6.2 191 25 268.6 268.9 267.1 273.6 1.83 3 925 907 -1.3 -14.3 36 13.0 -5.1 230 31 278.0 278.2 272.3 281.9 1.36 4 892 1197 0.2 -24.8 13 25.0 -5.7 236 33 282.4 282.5 273.6 284.2 0.57 5 879 1315 -0.3 -27.3 11 27.0 -6.2 239 33 283.1 283.2 273.8 284.5 0.46 6 850 1583 -0.7 -28.7 10 28.0 -6.7 245 35 285.4 285.5 274.9 286.7 0.42 7 708 3024 -6.1 -30.1 13 24.0 -11.0 254 33 294.8 294.8 279.7 296.2 0.44 8 700 3113 -6.5 -31.5 12 25.0 -11.4 255 33 295.3 295.4 279.8 296.6 0.39 9 682 3316 -7.7 -34.7 9 27.0 -12.5 255 33 296.2 296.2 280.1 297.1 0.29 10 633 3890 -12.1 -23.1 39 11.0 -14.6 254 34 297.5 297.7 281.5 300.5 0.94 11 626 3975 -12.1 -23.1 39 11.0 -14.7 253 34 298.5 298.6 282.0 301.5 0.95 12 592 4400 -13.9 -28.9 27 15.0 -16.9 253 34 301.2 301.3 282.7 303.2 0.59 13 564 4766 -16.1 -34.1 20 18.0 -19.0 252 35 302.8 302.9 283.0 304.1 0.38 14 500 5660 -23.1 -33.1 40 10.0 -24.6 250 36 304.9 305.0 284.0 306.5 0.47 15 476 6020 -25.9 -33.9 47 8.0 -27.0 251 35 305.7 305.8 284.3 307.3 0.46 16 400 7260 -35.7 -42.7 49 7.0 -36.2 255 33 308.6 308.6 285.1 309.4 0.22 17 300 9190 -51.9 -56.9 55 5.0 -52.0 265 29 312.2 312.2 286.2 312.4 0.06 18 250 10340 -60.7 -65.3 55 4.6 -60.7 270 25 315.8 315.8 287.4 315.9 0.02 19 215 11266 -67.7 -72.2 53 4.5 -67.7 267 26 318.9 318.9 288.4 318.9 0.01 20 200 11700 -69.7 -74.1 52 4.4 -69.7 265 27 322.4 322.4 289.5 322.4 0.01 21 176 12468 -65.9 -70.5 53 4.6 -66.0 276 22 340.6 340.6 294.5 340.7 0.02 22 171 12644 -63.3 -68.0 53 4.7 -63.4 279 20 347.8 347.8 296.1 347.9 0.02 23 150 13450 -62.9 -67.6 53 4.7 -63.0 290 15 361.7 361.7 299.1 361.9 0.03 24 149 13492 -62.9 -67.6 53 4.7 -63.0 290 15 362.4 362.4 299.2 362.5 0.03 25 137 14019 -59.3 -64.2 53 4.9 -59.4 290 17 377.6 377.6 301.9 377.8 0.05 26 100 16000 -61.1 -67.1 45 6.0 -61.3 290 23 409.7 409.7 306.5 409.9 0.05 27 83 17160 -60.1 -66.1 45 6.0 -60.3 434.1 434.2 309.3 434.5 0.06 TRP 200 11700 -69.7 -74.1 52 4.4 -69.7 265 27 322.4 322.4 289.5 322.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5370.00 m Freezing level: Surface below freezing Freezing level: 896.40 mb = 1158.61 m = 3801.16 ft Freezing level: 886.80 mb = 1244.33 m = 4082.40 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 26.33 % Est. max temperature: 12.36 C = 54.24 F Sfc-Lift cond lev (LCL): 967.44 mb = 551.92 m = 1810.75 ft T: -3.31 C 700-500 lapse rate: 6.52 C/km ThetaE index: 0.00 C Layer 1000.0- 998.0 mb Conv cond level (CCL): 548.88 mb = 4967.95 m = 16298.86 ft Mean mixing ratio: 1.74 g/kg Conv temperature: 32.88 C = 91.18 F Cap Strength: 23.26 C Lifted Index: 23.93 C Risk: None Lifted Index @300 mb: 25.60 C Lifted Index @700 mb: 19.14 C Showalter Index: 15.61 C Risk: None Total Totals Index: 16.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: -5.60 C K Index: -31.30 Risk: None Sweat Index: 141.89 Risk: None Energy Index: 4.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.82 J/kg Max Up Vert Vel: 7.85 m/s Conv Inhibition (B-): 23997.70 J/kg Cap Strength: 23.89 C Lift Cond Lev (LCL): 875.21 mb = 1349.36 m = 4426.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 25 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 42 200 5 1.7 4.7 | 108 24 -22.8 7.2 1 1000 290 190 25 4.3 24.6 | 143 34 -20.2 27.2 2 925 907 230 31 23.7 19.9 | 178 22 -0.7 22.5 3 850 1583 245 35 31.7 14.8 | 203 19 7.2 17.3 4 700 3113 255 33 31.9 8.5 | 214 13 7.4 11.1 5 500 5660 250 36 33.8 12.3 | 212 18 9.3 14.8 6 400 7260 255 33 31.9 8.5 | 214 13 7.4 11.1 7 300 9190 265 29 28.9 2.5 | 221 7 4.4 5.1 8 250 10340 270 25 25.0 -0.0 | 191 3 0.5 2.5 9 200 11700 265 27 26.9 2.4 | 206 5 2.4 4.9 10 150 13450 290 15 14.1 -5.1 | 76 11 -10.4 -2.6 11 100 16000 290 23 21.6 -7.9 | 28 6 -2.9 -5.3 Wind Parameters Mean winds (0-6000m): 245.9 at 32.8 knts Storm direction: 275.9 at 24.6 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 105.5 deg Storm rel helicity (0-3000m) pos: 305.9 neg: 0.0 tot: 305.9 m^2/s^2 ave: 102.0 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 7.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.37 Bulk Shear: 83.51 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 ------------------------------------------------------------------------------- 500 196 21 140 29| 23.1 0.0 23.1|175.0 0.0 175.0 350.1 0.87| 27.8 24.2 1000 212 25 155 26| 14.3 0.0 14.3|255.5 0.0 255.5 255.5 0.86| 21.3 18.2 1500 223 28 167 23| 10.8 0.0 10.8|290.6 0.0 290.6 193.7 0.87| 16.6 14.4 2000 230 30 175 22| 8.0 0.0 8.0|297.9 0.0 297.9 148.9 0.85| 13.1 11.2 2500 235 30 181 20| 6.4 0.0 6.4|302.2 0.0 302.2 120.9 0.84| 10.9 9.2 3000 238 31 185 19| 5.2 0.0 5.2|305.9 0.0 305.9 102.0 0.83| 9.4 7.8 4000 242 32 191 18| 3.9 0.2 4.1|306.4 -0.4 306.1 76.5 0.80| 7.3 5.9 5000 245 32 196 17| 3.1 0.3 3.4|306.4 -1.1 305.3 61.1 0.78| 6.0 4.7 6000 246 33 199 17| 2.6 0.3 2.9|307.0 -1.7 305.3 50.9 0.75| 5.2 3.9 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251017.00.gif