UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 19 APR 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 1002 42 -8.9 -13.9 67 5.0 -10.1 210 3 264.1 264.3 262.9 267.6 1.30 1 1000 57 -7.9 -13.9 62 6.0 -9.4 210 5 265.2 265.5 263.8 268.8 1.30 2 994 104 -5.7 -14.7 49 9.0 -7.9 213 5 267.9 268.1 265.6 271.3 1.23 3 978 232 -1.5 -11.5 46 10.0 -4.5 220 7 273.4 273.7 269.9 277.9 1.62 4 946 496 -2.5 -16.5 33 14.0 -6.2 235 9 275.0 275.2 270.0 278.2 1.11 5 925 673 -3.3 -16.3 36 13.0 -6.7 245 11 275.9 276.1 270.7 279.3 1.16 6 894 942 -4.3 -16.3 39 12.0 -7.5 243 9 277.6 277.8 271.8 281.1 1.20 7 850 1337 -7.3 -17.3 45 10.0 -9.8 240 7 278.5 278.7 272.2 281.9 1.16 8 760 2199 -13.5 -21.5 51 8.0 -15.2 260 16 280.9 281.0 273.2 283.5 0.90 9 700 2821 -16.5 -23.5 55 7.0 -17.9 275 23 284.2 284.4 274.9 286.7 0.82 10 698 2843 -16.3 -23.3 55 7.0 -17.6 275 23 284.7 284.8 275.2 287.2 0.84 11 589 4103 -23.1 -32.1 44 9.0 -24.3 288 25 290.9 291.0 277.8 292.3 0.44 12 500 5280 -32.7 -42.7 36 10.0 -33.4 300 27 293.2 293.2 278.5 293.8 0.18 13 400 6810 -44.9 -54.9 32 10.0 -45.2 305 31 296.6 296.6 279.9 296.8 0.06 14 322 8226 -55.7 -64.7 32 9.0 -55.8 310 35 300.7 300.7 281.7 300.8 0.02 15 300 8680 -52.3 -61.3 33 9.0 -52.5 305 31 311.6 311.6 285.9 311.8 0.03 16 250 9860 -49.9 -60.9 26 11.0 -50.2 300 23 331.9 331.9 292.3 332.1 0.04 17 231 10380 -47.3 -60.3 21 13.0 -47.7 296 19 343.4 343.4 295.2 343.6 0.05 18 200 11330 -48.5 -64.5 14 16.0 -49.0 290 13 356.0 356.0 297.9 356.1 0.03 19 175 12208 -48.3 -67.3 9 19.0 -48.9 278 14 370.2 370.2 300.6 370.3 0.03 20 161 12760 -45.7 -66.7 8 21.0 -46.6 271 15 383.5 383.5 302.8 383.6 0.03 21 150 13230 -46.5 -68.5 6 22.0 -47.4 265 15 389.9 389.9 303.8 390.1 0.03 22 100 15910 -48.5 -73.5 4 25.0 -49.6 220 11 434.0 434.0 309.3 434.1 0.02 23 89 16682 -46.5 -72.5 4 26.0 -47.9 228 11 452.7 452.7 311.1 452.9 0.02 24 77 17637 -50.7 -75.7 4 25.0 -51.8 238 11 463.1 463.1 312.1 463.2 0.02 25 70 18260 -49.9 -74.9 4 25.0 -51.1 245 11 477.6 477.6 313.2 477.8 0.02 26 67 18546 -49.9 -74.9 4 25.0 -51.2 483.7 483.7 313.7 483.8 0.02 TRP 322 8226 -55.7 -64.7 32 9.0 -55.8 310 35 300.7 300.7 281.7 300.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 45.22 % Est. max temperature: 5.47 C = 41.84 F Sfc-Lift cond lev (LCL): 924.82 mb = 674.55 m = 2213.05 ft T: -3.31 C 700-500 lapse rate: 6.59 C/km ThetaE index: 0.00 C Layer 1002.0--28882151778513119643386622509056.0 mb Conv cond level (CCL): 645.42 mb = 3424.03 m = 11233.54 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 14.57 C = 58.23 F Cap Strength: 12.39 C Lifted Index: 13.22 C Risk: None Lifted Index @300 mb: 24.20 C Lifted Index @700 mb: 8.09 C Showalter Index: 9.76 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 25.40 C Cross Totals Index: 15.40 C K Index: 1.10 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.73 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 30168.97 J/kg Cap Strength: 13.21 C Lift Cond Lev (LCL): 790.96 mb = 1891.31 m = 6205.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 15 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 1002 42 210 3 1.5 2.6 | 144 16 -9.2 12.6 1 1000 57 210 5 2.5 4.3 | 150 17 -8.2 14.3 2 925 673 245 11 10.0 4.6 | 177 15 -0.8 14.6 3 850 1337 240 7 6.1 3.5 | 161 14 -4.7 13.5 4 700 2821 275 23 22.9 -2.0 | 237 15 12.2 8.0 5 500 5280 300 27 23.4 -13.5 | 285 13 12.6 -3.5 6 400 6810 305 31 25.4 -17.8 | 298 17 14.7 -7.8 7 322 8226 310 35 26.8 -22.5 | 308 20 16.1 -12.5 8 300 8680 305 31 25.4 -17.8 | 298 17 14.7 -7.8 9 250 9860 300 23 19.9 -11.5 | 279 9 9.2 -1.5 10 200 11330 290 13 12.2 -4.4 | 195 6 1.5 5.6 11 150 13230 265 15 14.9 1.3 | 200 12 4.2 11.3 12 100 15910 220 11 7.1 8.4 | 169 19 -3.7 18.4 13 70 18260 245 11 10.0 4.6 | 177 15 -0.8 14.6 Wind Parameters Mean winds (0-6000m): 283.0 at 19.6 knts Storm direction: 313.0 at 14.7 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 109.2 neg: -13.7 tot: 95.5 m^2/s^2 ave: 31.8 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.91 Bulk Shear: 36.08 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 ------------------------------------------------------------------------------- 500 228 7 160 16| 7.4 0.0 7.4| 32.0 0.0 32.0 64.0 0.96| 8.1 7.7 1000 238 9 167 15| 3.3 0.0 3.3| 37.1 -7.1 30.1 30.1 0.61| 5.8 3.6 1500 239 8 166 15| 2.4 0.0 2.4| 45.6 -13.7 31.9 21.2 0.49| 5.3 2.6 2000 244 9 170 14| 3.3 0.0 3.3| 67.4 -13.7 53.7 26.8 0.63| 5.5 3.4 2500 252 11 178 13| 3.8 0.0 3.8| 91.1 -13.7 77.3 30.9 0.72| 5.7 4.1 3000 260 13 189 12| 3.8 0.0 3.8|109.2 -13.7 95.5 31.8 0.76| 5.6 4.2 4000 269 16 205 11| 3.2 0.0 3.2|125.5 -13.7 111.8 28.0 0.78| 4.8 3.7 5000 277 18 221 11| 2.7 0.0 2.7|142.4 -13.7 128.6 25.7 0.81| 4.3 3.5 6000 283 20 236 10| 2.5 0.0 2.5|152.5 -13.7 138.8 23.1 0.81| 3.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250419.00.gif