UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 15 APR 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 1004 39 -1.5 -9.5 54 8.0 -4.0 250 9 271.3 271.6 269.0 276.5 1.85 1 1000 71 -1.7 -9.7 54 8.0 -4.2 250 9 271.5 271.8 269.0 276.5 1.83 2 925 684 -7.5 -15.5 53 8.0 -9.5 235 25 271.6 271.8 268.1 275.1 1.23 3 869 1166 -11.9 -16.7 67 4.8 -13.0 246 28 272.0 272.2 268.2 275.3 1.19 4 860 1246 -12.5 -17.2 68 4.7 -13.5 248 28 272.1 272.3 268.3 275.4 1.15 5 850 1335 -13.1 -17.9 67 4.8 -14.1 250 29 272.4 272.6 268.4 275.6 1.10 6 700 2781 -24.3 -28.0 71 3.7 -24.8 275 27 275.6 275.7 269.4 277.2 0.55 7 650 3317 -28.1 -32.5 66 4.4 -28.5 278 27 277.2 277.2 270.1 278.4 0.38 8 500 5140 -44.1 -49.1 57 5.0 -44.3 290 25 279.3 279.3 270.9 279.6 0.09 9 481 5398 -46.3 -51.3 57 5.0 -46.4 288 28 279.7 279.7 271.1 279.9 0.07 10 447 5880 -49.1 -54.1 56 5.0 -49.2 285 33 282.1 282.1 272.5 282.3 0.05 11 433 6089 -47.9 -52.9 56 5.0 -48.0 288 31 286.2 286.2 274.8 286.4 0.07 12 400 6610 -47.7 -53.7 50 6.0 -47.9 295 25 293.0 293.0 278.3 293.2 0.06 13 340 7687 -46.9 -55.9 35 9.0 -47.1 298 32 308.0 308.0 284.7 308.2 0.06 14 300 8520 -45.5 -56.5 28 11.0 -45.9 300 38 321.2 321.2 289.2 321.5 0.06 15 284 8886 -43.7 -56.7 22 13.0 -44.2 298 35 328.9 328.9 291.5 329.1 0.06 16 250 9740 -44.1 -60.1 15 16.0 -44.7 295 29 340.5 340.5 294.5 340.7 0.05 17 200 11240 -43.5 -63.5 9 20.0 -44.4 285 38 363.9 363.9 299.5 364.1 0.04 18 187 11692 -42.7 -63.7 8 21.0 -43.7 287 35 372.2 372.3 301.0 372.4 0.04 19 152 13082 -44.9 -67.9 6 23.0 -45.9 295 26 391.2 391.2 304.0 391.3 0.03 20 150 13170 -44.9 -67.9 6 23.0 -45.9 295 25 392.7 392.7 304.2 392.8 0.03 21 136 13825 -44.3 -67.3 6 23.0 -45.5 291 22 404.9 404.9 305.9 405.1 0.03 22 114 15010 -43.3 -67.3 5 24.0 -44.8 285 17 427.7 427.7 308.6 427.9 0.04 23 100 15890 -43.9 -67.9 5 24.0 -45.5 280 13 442.9 442.9 310.2 443.1 0.04 24 93 16373 -46.1 -70.1 5 24.0 -47.5 282 14 447.9 447.9 310.7 448.0 0.03 25 87 16816 -44.1 -68.1 5 24.0 -45.9 284 15 460.5 460.5 311.8 460.8 0.05 26 70 18260 -46.9 -70.9 5 24.0 -48.6 290 19 484.1 484.1 313.8 484.3 0.04 27 66 18650 -48.5 -72.5 5 24.0 -50.0 293 18 488.8 488.8 314.1 489.0 0.03 28 62 19066 -45.1 -69.1 5 24.0 -47.3 295 16 505.1 505.2 315.4 505.5 0.06 29 50 20500 -47.3 -71.3 5 24.0 -49.4 305 11 532.0 532.0 317.1 532.3 0.05 30 48 20770 -47.7 -71.7 5 24.0 -49.8 537.3 537.3 317.4 537.6 0.05 TRP 447 5880 -49.1 -54.1 56 5.0 -49.2 285 33 282.1 282.1 272.5 282.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5069.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 63.64 % Est. max temperature: -0.53 C = 31.05 F Sfc-Lift cond lev (LCL): 885.29 mb = 1022.80 m = 3355.60 ft T: -10.59 C 700-500 lapse rate: 8.39 C/km ThetaE index: 1.38 C Layer 925.0- 869.0 mb Conv cond level (CCL): 826.42 mb = 1544.56 m = 5067.40 ft Mean mixing ratio: 1.48 g/kg Conv temperature: 0.07 C = 32.13 F Cap Strength: 2.52 C Lifted Index: 3.22 C Risk: None Lifted Index @300 mb: 32.29 C Lifted Index @700 mb: 1.64 C Showalter Index: 3.34 C Risk: None Total Totals Index: 57.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.00 C Cross Totals Index: 26.20 C K Index: 9.40 Risk: None Sweat Index: 352.35 Risk: Showers and thunderstorms possible Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.86 J/kg Max Up Vert Vel: 1.31 m/s Conv Inhibition (B-): 38636.39 J/kg Cap Strength: 3.20 C Lift Cond Lev (LCL): 843.39 mb = 1393.12 m = 4570.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 20 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 1004 39 250 9 8.5 3.1 | 148 16 -8.3 13.4 1 1000 71 250 9 8.5 3.1 | 148 16 -8.3 13.4 2 925 684 235 25 20.5 14.3 | 189 25 3.7 24.6 3 850 1335 250 29 27.3 9.9 | 207 23 10.5 20.2 4 700 2781 275 27 26.9 -2.4 | 232 13 10.1 7.9 5 500 5140 290 25 23.5 -8.6 | 256 7 6.7 1.7 6 447 5880 285 33 31.9 -8.5 | 263 15 15.1 1.7 7 400 6610 295 25 22.7 -10.6 | 273 6 5.9 -0.3 8 300 8520 300 38 32.9 -19.0 | 298 18 16.1 -8.7 9 250 9740 295 29 26.3 -12.3 | 282 10 9.5 -2.0 10 200 11240 285 38 36.7 -9.8 | 269 20 19.9 0.4 11 150 13170 295 25 22.7 -10.6 | 273 6 5.9 -0.3 12 100 15890 280 13 12.8 -2.3 | 154 9 -4.0 8.0 13 70 18260 290 19 17.9 -6.5 | 196 4 1.1 3.8 14 50 20500 305 11 9.0 -6.3 | 117 9 -7.8 4.0 Wind Parameters Mean winds (0-6000m): 271.5 at 26.2 knts Storm direction: 301.5 at 19.7 knts Shear (0-3000m) pos: 2.8 neg: 2.1 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 85.8 deg Storm rel helicity (0-3000m) pos: 147.0 neg: 0.0 tot: 147.0 m^2/s^2 ave: 49.0 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 30.51 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 ------------------------------------------------------------------------------- 500 242 15 168 18| 0.0 12.9 12.9| 49.1 0.0 49.1 98.2 0.85| 13.0 11.0 1000 239 20 181 20| 3.2 6.4 9.7| 87.9 0.0 87.9 87.9 0.82| 10.6 8.7 1500 243 23 190 21| 3.4 4.3 7.7|116.9 0.0 116.9 78.0 0.83| 9.0 7.4 2000 248 24 196 20| 3.1 3.2 6.3|130.5 0.0 130.5 65.2 0.79| 7.8 6.2 2500 252 25 201 19| 3.0 2.6 5.6|141.2 0.0 141.2 56.5 0.77| 7.1 5.5 3000 256 25 205 18| 2.8 2.1 5.0|147.0 0.0 147.0 49.0 0.76| 6.4 4.9 4000 262 26 212 16| 2.4 1.6 4.0|151.6 0.0 151.6 37.9 0.74| 5.2 3.9 5000 267 26 218 14| 2.1 1.3 3.4|155.4 0.0 155.4 31.1 0.73| 4.5 3.3 6000 272 26 225 13| 1.7 1.5 3.2|160.8 0.0 160.8 26.8 0.63| 4.6 2.9 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250415.12.gif