UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 28 OCT 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 1004 42 -14.5 -16.2 87 1.7 -14.8 240 11 258.4 258.5 258.1 261.2 1.07 1 1000 72 -14.9 -17.6 80 2.7 -15.4 245 13 258.2 258.4 257.8 260.8 0.96 2 998 87 -14.7 -17.4 80 2.7 -15.2 246 13 258.6 258.8 258.1 261.2 0.98 3 987 171 -11.3 -13.7 82 2.4 -11.8 253 15 262.8 263.0 262.1 266.5 1.34 4 925 668 -11.5 -13.6 84 2.1 -12.0 295 23 267.5 267.8 265.7 271.5 1.44 5 896 912 -12.3 -14.5 84 2.2 -12.8 293 23 269.2 269.4 266.7 273.0 1.38 6 850 1313 -14.7 -17.5 79 2.8 -15.3 290 23 270.7 270.9 267.3 274.0 1.14 7 768 2074 -19.5 -22.2 79 2.7 -20.0 290 28 273.5 273.7 268.7 276.0 0.84 8 720 2554 -19.1 -21.8 79 2.7 -19.6 290 32 279.1 279.2 272.2 281.8 0.93 9 700 2764 -19.7 -22.3 80 2.6 -20.2 290 33 280.7 280.8 273.1 283.4 0.91 10 560 4394 -27.5 -30.1 78 2.6 -27.8 283 39 290.0 290.1 277.5 291.7 0.56 11 500 5200 -32.5 -35.1 78 2.6 -32.7 280 42 293.4 293.5 278.9 294.7 0.39 12 439 6107 -38.9 -41.9 73 3.0 -39.1 280 47 296.4 296.5 280.1 297.2 0.22 13 400 6740 -43.5 -46.7 71 3.2 -43.6 280 50 298.5 298.5 280.8 299.0 0.14 14 300 8620 -54.9 -58.7 63 3.8 -55.0 280 48 308.0 308.0 284.6 308.1 0.05 15 258 9581 -59.1 -63.2 59 4.1 -59.2 280 40 315.3 315.4 287.2 315.5 0.03 16 250 9780 -58.7 -62.9 58 4.2 -58.7 280 40 318.8 318.8 288.4 318.9 0.03 17 200 11190 -53.9 -58.6 56 4.7 -54.1 305 31 347.4 347.4 296.1 347.7 0.07 18 150 13030 -55.3 -61.3 47 6.0 -55.5 295 17 374.8 374.8 301.4 375.1 0.07 19 100 15630 -55.9 -65.9 28 10.0 -56.2 295 7 419.7 419.7 307.7 420.0 0.05 20 92 16158 -57.5 -67.5 27 10.0 -57.8 284 7 426.7 426.7 308.5 426.9 0.05 21 79 17125 -54.5 -66.5 21 12.0 -55.1 265 8 451.9 451.9 311.1 452.2 0.06 22 75 17455 -57.5 -69.5 20 12.0 -57.9 259 9 452.4 452.4 311.1 452.6 0.04 23 75 17455 -57.5 -69.5 20 12.0 -57.9 259 9 452.4 452.4 311.1 452.6 0.04 24 70 17890 -57.5 -69.5 20 12.0 -57.9 250 9 461.4 461.4 311.9 461.6 0.05 25 50 20010 -58.1 -72.1 15 14.0 -58.7 240 11 506.6 506.6 315.4 506.8 0.05 26 47 20399 -58.7 -73.7 13 15.0 -59.3 238 12 514.2 514.2 315.9 514.4 0.04 27 47 20399 -59.3 -73.3 15 14.0 -59.9 238 12 512.7 512.7 315.8 513.0 0.04 28 37 21905 -57.5 -73.5 11 16.0 -58.4 228 15 553.7 553.7 318.3 554.0 0.05 29 30 23220 -60.7 -76.7 10 16.0 -61.4 220 17 579.2 579.2 319.6 579.4 0.04 30 22 25162 -61.1 -78.1 9 17.0 -62.1 209 23 631.7 631.7 322.0 632.0 0.04 31 20 25760 -59.1 -77.1 8 18.0 -60.4 205 25 655.3 655.3 322.9 655.7 0.05 32 16 27166 -57.1 -75.1 8 18.0 -59.1 705.0 705.0 324.6 705.8 0.09 33 14 28007 -58.7 -77.7 7 19.0 -60.6 727.0 727.0 325.3 727.6 0.07 34 11 29539 -54.1 -74.1 7 20.0 -57.6 795.6 795.7 327.2 797.1 0.15 TRP 258 9581 -59.1 -63.2 59 4.1 -59.2 280 40 315.3 315.4 287.2 315.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5128.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 79.80 % Est. max temperature: -2.23 C = 27.98 F Sfc-Lift cond lev (LCL): 976.60 mb = 252.50 m = 828.39 ft T: -11.33 C 700-500 lapse rate: 5.25 C/km ThetaE index: 0.40 C Layer 1000.0- 998.0 mb Conv cond level (CCL): 1000.00 mb = 72.00 m = 236.22 ft Mean mixing ratio: 1.35 g/kg Conv temperature: -13.17 C = 8.30 F Cap Strength: 18.36 C Lifted Index: 20.45 C Risk: None Lifted Index @300 mb: 27.87 C Lifted Index @700 mb: 11.86 C Showalter Index: 16.17 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 15.00 C K Index: -2.30 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 4.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.90 J/kg Max Up Vert Vel: 7.06 m/s Conv Inhibition (B-): 61550.80 J/kg Cap Strength: 20.12 C Lift Cond Lev (LCL): 918.95 mb = 718.28 m = 2356.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 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 1004 42 240 11 9.5 5.5 | 161 24 -7.8 22.8 1 1000 72 245 13 11.8 5.5 | 166 23 -5.6 22.8 2 925 668 295 23 20.8 -9.7 | 205 8 3.5 7.6 3 850 1313 290 23 21.6 -7.9 | 204 10 4.2 9.4 4 700 2764 290 33 31.0 -11.3 | 246 15 13.6 6.0 5 500 5200 280 42 41.4 -7.3 | 247 26 24.0 10.0 6 400 6740 280 50 49.2 -8.7 | 255 33 31.9 8.6 7 300 8620 280 48 47.3 -8.3 | 253 31 29.9 9.0 8 258 9581 280 40 39.4 -6.9 | 245 24 22.0 10.4 9 250 9780 280 40 39.4 -6.9 | 245 24 22.0 10.4 10 200 11190 305 31 25.4 -17.8 | 273 8 8.0 -0.5 11 150 13030 295 17 15.4 -7.2 | 169 10 -2.0 10.1 12 100 15630 295 7 6.3 -3.0 | 142 18 -11.0 14.3 13 70 17890 250 9 8.5 3.1 | 156 22 -8.9 20.4 14 50 20010 240 11 9.5 5.5 | 161 24 -7.8 22.8 15 30 23220 220 17 10.9 13.0 | 168 31 -6.4 30.3 16 20 25760 205 25 10.6 22.7 | 170 41 -6.8 40.0 Wind Parameters Mean winds (0-6000m): 284.9 at 32.7 knts Storm direction: 314.9 at 24.5 knts Shear (0-3000m) pos: 3.2 neg: 1.9 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 89.1 neg: -0.1 tot: 88.9 m^2/s^2 ave: 29.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.62 Bulk Shear: 40.07 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 ------------------------------------------------------------------------------- 500 268 17 178 18| 15.6 0.0 15.6| 55.4 0.0 55.4 110.9 0.66| 16.7 11.0 1000 284 20 188 13| 9.5 0.0 9.5| 61.0 -0.1 60.9 60.9 0.59| 11.1 6.6 1500 287 21 193 12| 6.3 0.6 6.9| 65.2 -0.1 65.1 43.4 0.60| 8.2 4.9 2000 288 22 200 11| 4.7 1.3 6.1| 74.6 -0.1 74.5 37.2 0.64| 7.0 4.5 2500 288 24 208 11| 3.8 1.8 5.5| 84.0 -0.1 83.9 33.6 0.66| 6.3 4.2 3000 289 25 215 11| 3.2 1.9 5.1| 89.1 -0.1 88.9 29.6 0.64| 5.7 3.7 4000 288 28 226 13| 2.4 2.0 4.3| 90.6 -0.1 90.5 22.6 0.58| 4.9 2.8 5000 286 30 233 15| 1.9 2.0 3.9| 90.6 -1.5 89.1 17.8 0.51| 4.4 2.2 6000 285 33 238 17| 1.6 2.1 3.7|106.6 -1.9 104.8 17.5 0.50| 4.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251028.00.gif