UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 27 NOV 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 1021 48 -30.1 -34.0 69 3.9 -30.3 280 1 241.6 241.6 241.5 242.2 0.21 1 1015 91 -21.1 -24.3 75 3.2 -21.5 270 10 251.0 251.1 250.7 252.4 0.53 2 1000 199 -21.7 -24.9 75 3.2 -22.1 245 31 251.4 251.5 251.1 252.8 0.51 3 925 770 -24.1 -27.6 73 3.5 -24.5 265 27 254.7 254.7 253.7 255.8 0.43 4 906 921 -24.5 -28.1 72 3.6 -24.9 288 26 255.8 255.8 254.6 256.9 0.42 5 850 1382 -28.1 -31.4 73 3.3 -28.4 360 23 256.7 256.8 255.2 257.6 0.33 6 818 1659 -25.5 -28.7 75 3.2 -25.8 360 22 262.3 262.4 259.9 263.5 0.44 7 809 1739 -25.5 -28.7 75 3.2 -25.8 360 22 263.1 263.2 260.5 264.4 0.44 8 786 1948 -26.1 -30.3 68 4.2 -26.5 360 21 264.7 264.7 261.6 265.8 0.39 9 766 2134 -28.7 -37.7 42 9.0 -29.3 360 21 263.8 263.8 260.5 264.4 0.19 10 700 2776 -30.9 -41.9 33 11.0 -31.6 360 19 268.3 268.3 263.7 268.7 0.14 11 529 4733 -36.9 -49.9 25 13.0 -37.5 125 31 283.4 283.5 273.3 283.7 0.08 12 500 5120 -39.1 -52.1 24 13.0 -39.6 150 33 285.4 285.4 274.3 285.6 0.06 13 434 6083 -42.9 -54.9 26 12.0 -43.3 160 34 292.3 292.3 277.9 292.5 0.05 14 422 6272 -44.9 -55.9 28 11.0 -45.2 161 35 292.1 292.1 277.8 292.3 0.05 15 400 6630 -44.9 -55.9 28 11.0 -45.2 165 35 296.6 296.6 279.9 296.8 0.05 16 351 7504 -44.9 -55.9 28 11.0 -45.3 307.9 307.9 284.6 308.1 0.06 TRP WND Sounding variables and indices 1000-500 mb thick: 4921.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 46.83 % Est. max temperature: -15.27 C = 4.52 F Sfc-Lift cond lev (LCL): 955.63 mb = 531.43 m = 1743.51 ft T: -23.10 C 700-500 lapse rate: 3.50 C/km ThetaE index: 1.40 C Layer 766.0- 700.0 mb Conv cond level (CCL): 859.95 mb = 1297.91 m = 4258.18 ft Mean mixing ratio: 0.47 g/kg Conv temperature: -15.08 C = 4.86 F Cap Strength: 24.78 C Lifted Index: 25.98 C Risk: None Lifted Index @700 mb: 13.38 C Showalter Index: 22.81 C Risk: None Total Totals Index: 18.70 C Risk: None Vertical Totals Index: 11.00 C Cross Totals Index: 7.70 C K Index: -31.40 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 5.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.72 J/kg Max Up Vert Vel: 5.61 m/s Conv Inhibition (B-): 5597.05 J/kg Cap Strength: 25.60 C Lift Cond Lev (LCL): 918.73 mb = 819.50 m = 2688.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 19 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 1021 48 280 1 1.0 -0.2 | 349 20 3.7 -19.5 1 1000 199 245 31 28.1 13.1 | 281 31 30.8 -6.2 2 925 770 265 27 26.9 2.4 | 300 34 29.6 -16.9 3 850 1382 360 23 -0.0 -23.0 | 356 42 2.7 -42.3 4 700 2776 360 19 -0.0 -19.0 | 356 38 2.7 -38.3 5 500 5120 150 33 -16.5 28.6 | 124 17 -13.8 9.3 6 400 6630 165 35 -9.1 33.8 | 156 16 -6.4 14.5 Wind Parameters Mean winds (0-6000m): 142.0 at 26.0 knts Storm direction: 172.0 at 19.5 knts Shear (0-3000m) pos: 7.6 neg: 4.9 tot: 12.5 10-3/s Storm rel Dir Shear (0-3000m): 15.8 deg Storm rel helicity (0-3000m) pos: 574.1 neg: -181.8 tot: 392.3 m^2/s^2 ave: 130.8 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 15.9 stream: 4.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.07 Bulk Shear: 229.60 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 ------------------------------------------------------------------------------- 500 250 26 292 29| 0.0 28.4 28.4| 48.3-179.2-130.9 -261.8 -0.63| 38.4-24.2 1000 262 26 298 33| 12.0 14.2 26.2|267.3-179.2 88.1 88.1 -0.02| 31.4 -0.7 1500 280 25 310 36| 13.7 9.5 23.2|510.6-179.4 331.2 220.8 0.24| 28.6 7.0 2000 300 24 323 40| 10.3 7.2 17.5|510.6-180.4 330.2 165.1 0.24| 21.8 5.2 2500 315 24 331 41| 8.2 5.9 14.1|510.6-181.4 329.1 131.7 0.23| 17.7 4.1 3000 324 23 337 41| 7.6 4.9 12.5|574.1-181.8 392.3 130.8 0.28| 15.9 4.5 4000 347 23 350 43| 7.2 3.7 10.8|830.9-181.8 649.0 162.3 0.44| 15.4 6.7 5000 349 24 350 44| 5.1 2.9 8.0|1027.9-181.8 846.1 169.2 0.53| 15.8 8.4 6000 142 26 95 13| 3.9 2.4 6.4|1062.7-181.8 880.8 146.8 0.56| 13.9 7.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251127.00.gif