UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 8 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 1031 43 -1.3 -5.1 75 3.8 -2.6 95 3 269.5 269.9 268.9 276.3 2.53 1 1000 286 -2.3 -8.3 63 6.0 -4.2 125 9 270.9 271.2 269.0 276.5 2.04 2 925 898 -8.3 -11.6 77 3.3 -9.2 135 9 270.8 271.1 268.4 275.5 1.70 3 918 957 -8.5 -11.5 79 3.0 -9.3 136 9 271.2 271.5 268.7 276.0 1.72 4 850 1551 -11.1 -15.4 71 4.3 -12.2 145 9 274.5 274.7 270.1 278.4 1.36 5 720 2807 -18.5 -22.5 71 4.0 -19.2 145 7 279.7 279.9 272.5 282.3 0.87 6 700 3016 -20.1 -24.6 67 4.5 -20.8 145 7 280.2 280.4 272.6 282.5 0.74 7 637 3706 -26.1 -29.3 74 3.2 -26.5 149 9 281.1 281.2 272.7 282.7 0.53 8 602 4114 -26.9 -30.2 74 3.3 -27.3 152 10 284.7 284.8 274.8 286.3 0.52 9 500 5430 -35.3 -39.6 65 4.3 -35.6 160 13 290.0 290.0 277.0 290.8 0.25 10 437 6362 -40.9 -45.3 62 4.4 -41.1 148 17 294.3 294.3 279.0 294.8 0.15 11 400 6960 -45.7 -50.2 60 4.5 -45.9 140 19 295.6 295.6 279.5 295.9 0.10 12 344 7948 -53.1 -57.6 58 4.5 -53.2 132 19 298.6 298.6 280.8 298.8 0.05 13 300 8820 -57.7 -62.2 56 4.5 -57.8 125 19 304.0 304.0 283.0 304.1 0.03 14 296 8904 -57.9 -62.4 56 4.5 -58.0 120 19 304.9 304.9 283.4 305.0 0.03 15 287 9098 -58.3 -62.8 56 4.5 -58.3 117 19 307.0 307.0 284.2 307.1 0.03 16 261 9696 -56.3 -60.9 56 4.6 -56.4 109 20 318.4 318.4 288.3 318.6 0.04 17 250 9970 -54.5 -59.2 56 4.7 -54.6 105 21 325.0 325.1 290.3 325.2 0.05 18 206 11218 -51.5 -57.5 49 6.0 -51.7 75 21 348.3 348.3 296.3 348.6 0.08 19 200 11410 -51.7 -57.7 49 6.0 -51.9 70 21 350.9 350.9 296.9 351.2 0.08 20 150 13270 -52.7 -62.7 29 10.0 -53.0 60 15 379.3 379.3 302.2 379.5 0.06 21 100 15870 -55.9 -68.9 18 13.0 -56.3 20 11 419.7 419.7 307.7 419.9 0.04 22 70 18130 -57.1 -71.1 15 14.0 -57.6 45 13 462.2 462.2 312.0 462.4 0.04 23 50 20240 -59.3 -74.3 13 15.0 -59.9 15 11 503.7 503.7 315.2 503.9 0.03 24 48 20497 -59.5 -74.5 13 15.0 -60.0 16 11 509.2 509.2 315.6 509.4 0.03 25 44 21043 -60.1 -75.1 12 15.0 -60.7 18 9 520.5 520.6 316.4 520.7 0.03 26 30 23440 -60.3 -76.3 11 16.0 -61.1 25 5 580.3 580.3 319.7 580.5 0.04 27 23 25100 -59.5 -75.5 11 16.0 -60.6 628.4 628.4 321.9 628.9 0.06 TRP 296 8904 -57.9 -62.4 56 4.5 -58.0 120 19 304.9 304.9 283.4 305.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5144.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 70.88 % Est. max temperature: 2.22 C = 35.99 F Sfc-Lift cond lev (LCL): 971.35 mb = 514.16 m = 1686.86 ft T: -4.54 C 700-500 lapse rate: 6.30 C/km ThetaE index: 0.92 C Layer 925.0- 918.0 mb Conv cond level (CCL): 869.66 mb = 1374.54 m = 4509.58 ft Mean mixing ratio: 2.00 g/kg Conv temperature: 2.78 C = 37.01 F Cap Strength: 8.27 C Lifted Index: 11.67 C Risk: None Lifted Index @300 mb: 19.74 C Lifted Index @700 mb: 5.49 C Showalter Index: 9.89 C Risk: None Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 19.90 C K Index: 4.30 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.17 J/kg Max Up Vert Vel: 2.89 m/s Conv Inhibition (B-): 47938.38 J/kg Cap Strength: 11.33 C Lift Cond Lev (LCL): 909.23 mb = 1031.06 m = 3382.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 178 at 7 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 1031 43 95 3 -3.0 0.3 | 22 7 -2.8 -6.9 1 1000 286 125 9 -7.4 5.2 | 74 7 -7.2 -2.0 2 925 898 135 9 -6.4 6.4 | 82 6 -6.2 -0.8 3 850 1551 145 9 -5.2 7.4 | 92 5 -5.0 0.2 4 700 3016 145 7 -4.0 5.7 | 69 4 -3.8 -1.5 5 500 5430 160 13 -4.4 12.2 | 140 7 -4.2 5.0 6 400 6960 140 19 -12.2 14.6 | 121 14 -12.0 7.4 7 300 8820 125 19 -15.6 10.9 | 104 16 -15.4 3.7 8 296 8904 120 19 -16.5 9.5 | 98 16 -16.3 2.3 9 250 9970 105 21 -20.3 5.4 | 85 20 -20.1 -1.8 10 200 11410 70 21 -19.7 -7.2 | 54 24 -19.5 -14.4 11 150 13270 60 15 -13.0 -7.5 | 41 19 -12.8 -14.7 12 100 15870 20 11 -3.8 -10.3 | 11 18 -3.6 -17.5 13 70 18130 45 13 -9.2 -9.2 | 29 19 -9.0 -16.4 14 50 20240 15 11 -2.8 -10.6 | 8 18 -2.7 -17.8 15 30 23440 25 5 -2.1 -4.5 | 9 12 -1.9 -11.7 Wind Parameters Mean winds (0-6000m): 148.4 at 9.6 knts Storm direction: 178.4 at 7.2 knts Shear (0-3000m) pos: 1.1 neg: 0.1 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 48.1 deg Storm rel helicity (0-3000m) pos: 16.3 neg: -2.0 tot: 14.3 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 2.0 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.77 Bulk Shear: 2.35 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 ------------------------------------------------------------------------------- 500 123 8 63 7| 6.9 0.0 6.9| 14.0 0.0 14.0 27.9 0.97| 7.6 7.4 1000 129 8 72 7| 3.6 0.0 3.6| 15.3 0.0 15.3 15.3 0.92| 4.5 4.1 1500 133 9 77 6| 2.5 0.0 2.5| 16.3 0.0 16.3 10.9 0.88| 3.4 3.0 2000 136 9 80 6| 1.7 0.0 1.7| 16.3 -0.7 15.6 7.8 0.77| 2.7 2.1 2500 138 8 80 6| 1.4 0.1 1.5| 16.3 -1.4 14.9 6.0 0.67| 2.3 1.6 3000 139 8 80 5| 1.1 0.1 1.2| 16.3 -2.0 14.3 4.8 0.59| 2.0 1.2 4000 141 8 82 5| 1.1 0.1 1.2| 19.2 -2.0 17.2 4.3 0.66| 1.9 1.2 5000 145 9 90 5| 1.2 0.1 1.3| 22.5 -2.0 20.4 4.1 0.70| 1.8 1.2 6000 148 10 101 5| 1.1 0.2 1.3| 23.8 -4.2 19.6 3.3 0.55| 1.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251008.12.gif