UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 11 DEC 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1003 47 -20.7 -23.3 80 2.6 -21.0 60 19 252.2 252.3 251.9 253.8 0.58 1 1000 69 -20.9 -25.1 69 4.2 -21.4 60 21 252.2 252.3 251.8 253.6 0.50 2 935 565 -21.7 -26.0 68 4.3 -22.2 60 28 256.3 256.4 255.2 257.7 0.49 3 925 644 -20.5 -24.7 69 4.2 -21.0 60 29 258.3 258.4 257.0 259.9 0.56 4 850 1273 -18.3 -22.4 70 4.1 -19.0 75 29 267.0 267.1 264.0 269.1 0.74 5 835 1406 -16.5 -20.4 72 3.9 -17.2 79 28 270.2 270.4 266.5 272.8 0.90 6 748 2230 -17.9 -21.6 73 3.7 -18.6 101 25 277.4 277.5 271.1 280.0 0.91 7 700 2722 -21.3 -24.8 73 3.5 -21.8 115 23 278.9 279.0 271.8 281.1 0.73 8 528 4750 -33.5 -37.2 69 3.7 -33.8 132 28 287.7 287.7 276.0 288.6 0.30 9 500 5130 -36.7 -40.1 71 3.4 -36.9 135 29 288.3 288.3 276.2 289.1 0.23 10 400 6640 -48.3 -51.7 68 3.4 -48.4 120 33 292.2 292.2 277.9 292.5 0.08 11 354 7433 -54.9 -58.3 66 3.4 -54.9 124 31 293.7 293.7 278.6 293.9 0.04 12 300 8480 -59.3 -62.8 64 3.5 -59.3 130 29 301.8 301.8 282.1 301.9 0.03 13 264 9273 -62.7 -66.1 63 3.4 -62.7 140 33 308.0 308.0 284.6 308.1 0.02 14 263 9296 -62.9 -66.3 63 3.4 -62.9 141 33 308.1 308.1 284.6 308.1 0.02 15 250 9610 -59.9 -63.5 63 3.6 -59.9 155 33 317.0 317.0 287.8 317.1 0.03 16 244 9762 -58.7 -62.3 63 3.6 -58.7 156 34 321.0 321.0 289.1 321.2 0.04 17 218 10466 -59.9 -63.4 63 3.5 -60.0 161 36 329.7 329.7 291.7 329.8 0.03 18 204 10884 -55.1 -58.7 64 3.6 -55.2 164 38 343.6 343.6 295.3 343.8 0.07 19 200 11010 -55.5 -59.0 65 3.5 -55.6 165 38 344.9 344.9 295.6 345.2 0.07 20 178 11757 -52.1 -55.6 66 3.5 -52.2 171 41 362.1 362.2 299.2 362.6 0.11 21 150 12860 -53.5 -57.3 63 3.8 -53.7 180 46 377.9 377.9 302.0 378.4 0.11 22 100 15480 -53.1 -57.3 60 4.2 -53.4 190 48 425.1 425.2 308.4 426.0 0.17 23 75 17314 -57.1 -61.3 59 4.2 -57.3 194 59 453.2 453.2 311.2 453.9 0.13 24 70 17750 -57.1 -61.3 59 4.2 -57.3 195 62 462.2 462.3 312.0 463.0 0.14 25 68 17934 -57.9 -62.2 58 4.3 -58.1 195 63 464.4 464.4 312.2 465.1 0.13 26 50 19880 -57.7 -62.2 56 4.5 -58.0 200 75 507.5 507.6 315.5 508.6 0.18 27 33 22504 -57.3 -61.9 56 4.6 -57.8 195 83 572.5 572.6 319.4 574.5 0.28 28 32 22699 -57.3 -61.9 56 4.6 -57.8 577.7 577.8 319.6 579.7 0.29 29 31 22900 -57.1 -61.7 56 4.6 -57.6 583.5 583.6 319.9 585.7 0.31 TRP 264 9273 -62.7 -66.1 63 3.4 -62.7 140 33 308.0 308.0 284.6 308.1 0.02 WND 33 22504 -57.3 -61.9 56 4.6 -57.8 195 83 572.5 572.6 319.4 574.5 0.28 Sounding variables and indices 1000-500 mb thick: 5061.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 71.00 % Est. max temperature: -6.31 C = 20.64 F Sfc-Lift cond lev (LCL): 960.80 mb = 363.90 m = 1193.88 ft T: -21.38 C 700-500 lapse rate: 6.40 C/km ThetaE index: 0.20 C Layer 1000.0- 935.0 mb Conv cond level (CCL): 560.92 mb = 4315.24 m = 14157.44 ft Mean mixing ratio: 0.52 g/kg Conv temperature: 12.92 C = 55.26 F Cap Strength: 25.48 C Lifted Index: 25.57 C Risk: None Lifted Index @300 mb: 31.59 C Lifted Index @700 mb: 19.99 C Showalter Index: 15.90 C Risk: None Total Totals Index: 32.70 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 14.30 C K Index: -7.50 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 4.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.32 J/kg Max Up Vert Vel: 7.91 m/s Conv Inhibition (B-): 49867.57 J/kg Cap Strength: 25.54 C Lift Cond Lev (LCL): 887.82 mb = 949.15 m = 3113.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 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 1003 47 60 19 -16.5 -9.5 | 7 25 -2.8 -24.3 1 1000 69 60 21 -18.2 -10.5 | 10 26 -4.6 -25.3 2 925 644 60 29 -25.1 -14.5 | 21 32 -11.5 -29.3 3 850 1273 75 29 -28.0 -7.5 | 33 27 -14.4 -22.4 4 700 2722 115 23 -20.8 9.7 | 55 9 -7.2 -5.1 5 500 5130 135 29 -20.5 20.5 | 129 9 -6.9 5.7 6 400 6640 120 33 -28.6 16.5 | 96 15 -15.0 1.7 7 300 8480 130 29 -22.2 18.6 | 114 9 -8.6 3.8 8 264 9273 140 33 -21.2 25.3 | 144 13 -7.6 10.4 9 250 9610 155 33 -13.9 29.9 | 179 15 -0.3 15.1 10 200 11010 165 38 -9.8 36.7 | 190 22 3.8 21.9 11 150 12860 180 46 0.0 46.0 | 204 34 13.6 31.2 12 100 15480 190 48 8.3 47.3 | 214 39 21.9 32.4 13 70 17750 195 62 16.0 59.9 | 213 54 29.7 45.0 14 50 19880 200 75 25.7 70.5 | 215 68 39.3 55.6 Wind Parameters Mean winds (0-6000m): 107.5 at 26.9 knts Storm direction: 137.5 at 20.1 knts Shear (0-3000m) pos: 4.3 neg: 1.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 56.5 deg Storm rel helicity (0-3000m) pos: 134.6 neg: 0.0 tot: 134.6 m^2/s^2 ave: 44.9 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.55 Bulk Shear: 56.61 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 60 24 15 28| 0.0 8.9 8.9| 45.0 0.0 45.0 90.0 0.72| 8.9 6.4 1000 62 26 20 29| 2.5 4.4 7.0| 81.6 0.0 81.6 81.6 0.73| 7.6 5.6 1500 67 27 24 28| 3.7 3.0 6.7|109.1 0.0 109.1 72.8 0.69| 7.4 5.1 2000 72 27 28 26| 4.3 2.2 6.5|123.9 0.0 123.9 62.0 0.62| 7.3 4.5 2500 77 27 31 24| 4.5 1.8 6.3|130.6 0.0 130.6 52.2 0.56| 7.1 4.0 3000 82 26 34 22| 4.3 1.5 5.8|134.6 0.0 134.6 44.9 0.55| 6.5 3.6 4000 92 26 41 19| 3.8 1.1 4.9|143.6 0.0 143.6 35.9 0.60| 5.5 3.3 5000 101 26 51 15| 3.5 0.9 4.4|153.3 0.0 153.3 30.7 0.63| 4.8 3.1 6000 108 27 61 14| 2.9 1.2 4.1|154.0 -11.3 142.8 23.8 0.50| 4.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251211.00.gif