UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 23 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 ------------------------------------------------------------------------------- 0 1000 -52 SFC 988 44 -1.5 -1.8 98 0.3 -1.6 90 3 272.6 273.2 272.2 281.8 3.39 2 925 566 -4.9 -6.7 87 1.8 -5.5 160 13 274.3 274.7 271.8 281.2 2.50 3 850 1226 -9.5 -11.5 85 2.0 -10.1 250 5 276.2 276.5 272.0 281.5 1.86 4 802 1672 -12.9 -15.2 83 2.3 -13.5 241 7 277.2 277.4 271.9 281.4 1.46 5 700 2697 -19.1 -21.3 83 2.2 -19.5 220 13 281.3 281.5 273.6 284.3 1.00 6 689 2815 -19.7 -22.0 82 2.3 -20.1 219 14 281.9 282.1 273.9 284.8 0.95 7 654 3201 -20.7 -23.2 80 2.5 -21.1 214 15 285.0 285.2 275.5 287.8 0.90 8 564 4277 -29.1 -31.9 77 2.8 -29.4 201 21 287.5 287.6 276.1 289.0 0.47 9 552 4431 -29.7 -33.6 69 3.9 -30.1 199 21 288.5 288.6 276.6 289.9 0.41 10 512 4964 -32.9 -42.9 36 10.0 -33.6 192 24 290.9 291.0 277.4 291.5 0.17 11 500 5130 -34.1 -45.1 32 11.0 -34.8 190 25 291.5 291.5 277.6 291.9 0.14 12 404 6593 -42.3 -57.3 18 15.0 -42.8 190 29 299.2 299.2 281.0 299.3 0.04 13 400 6660 -42.3 -57.3 18 15.0 -42.8 190 29 300.0 300.0 281.4 300.2 0.04 14 350 7562 -43.5 -60.5 14 17.0 -44.0 199 34 310.1 310.1 285.4 310.2 0.03 15 300 8600 -43.7 -61.7 12 18.0 -44.3 210 40 323.8 323.8 289.9 323.9 0.03 16 250 9820 -45.3 -66.3 8 21.0 -45.9 215 25 338.7 338.7 294.0 338.8 0.02 17 234 10263 -43.9 -65.9 7 22.0 -44.6 347.3 347.3 296.1 347.4 0.02 TRP 404 6593 -42.3 -57.3 18 15.0 -42.8 190 29 299.2 299.2 281.0 299.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5182.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 77.83 % Est. max temperature: 2.34 C = 36.21 F Sfc-Lift cond lev (LCL): 983.22 mb = 82.65 m = 271.17 ft T: -1.75 C 700-500 lapse rate: 6.17 C/km ThetaE index: 0.55 C Layer 925.0- 850.0 mb Conv cond level (CCL): 908.30 mb = 708.20 m = 2323.47 ft Mean mixing ratio: 2.71 g/kg Conv temperature: 0.61 C = 33.10 F Cap Strength: 8.42 C Lifted Index: 8.71 C Risk: None Lifted Index @300 mb: 30.05 C Lifted Index @700 mb: 2.50 C Showalter Index: 8.65 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.60 C K Index: 10.90 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.56 J/kg Max Up Vert Vel: 4.37 m/s Conv Inhibition (B-): 5536.29 J/kg Cap Strength: 8.49 C Lift Cond Lev (LCL): 918.87 mb = 617.86 m = 2027.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 at 12 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 ---------------------------------------------------------- 0 988 44 90 3 -3.0 0.0 | 56 14 -11.9 -7.9 1 925 566 160 13 -4.4 12.2 | 108 14 -13.3 4.4 2 850 1226 250 5 4.7 1.7 | 34 7 -4.2 -6.2 3 700 2697 220 13 8.4 10.0 | 166 2 -0.5 2.1 4 500 5130 190 25 4.3 24.6 | 165 17 -4.5 16.8 5 404 6593 190 29 5.0 28.6 | 170 21 -3.8 20.7 6 400 6660 190 29 5.0 28.6 | 170 21 -3.8 20.7 7 300 8600 210 40 20.0 34.6 | 203 29 11.1 26.8 8 250 9820 215 25 14.3 20.5 | 203 14 5.5 12.6 Wind Parameters Mean winds (0-6000m): 198.4 at 15.8 knts Storm direction: 228.4 at 11.9 knts Shear (0-3000m) pos: 1.6 neg: 1.6 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 119.6 deg Storm rel helicity (0-3000m) pos: 56.9 neg: -11.0 tot: 46.0 m^2/s^2 ave: 15.3 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 20.42 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 ------------------------------------------------------------------------------- 500 148 8 84 13| 12.1 0.0 12.1| 51.8 0.0 51.8 103.5 0.96| 13.8 13.3 1000 166 9 95 11| 4.9 0.0 4.9| 55.8 -7.2 48.6 48.6 0.33| 13.8 4.6 1500 179 8 91 9| 3.3 0.0 3.3| 55.8 -10.8 45.0 30.0 0.21| 10.9 2.2 2000 196 8 89 7| 2.4 0.8 3.2| 55.8 -11.0 44.9 22.4 0.19| 9.0 1.7 2500 205 9 89 5| 2.0 1.3 3.3| 56.4 -11.0 45.4 18.2 0.22| 7.9 1.8 3000 208 9 95 4| 1.6 1.6 3.2| 56.9 -11.0 46.0 15.3 0.23| 7.1 1.6 4000 208 11 121 4| 1.2 1.9 3.2| 57.0 -12.1 45.0 11.2 0.19| 6.1 1.2 5000 202 14 142 6| 1.0 2.2 3.2| 57.0 -19.3 37.7 7.5 0.13| 5.6 0.7 6000 198 16 152 8| 0.8 2.1 2.9| 61.8 -20.3 41.6 6.9 0.14| 4.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250423.12.gif