UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 1 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 1024 50 -39.1 -43.2 65 4.1 -39.2 240 5 232.5 232.5 232.4 232.7 0.08 1 1023 56 -36.7 -40.7 66 4.0 -36.8 241 6 234.9 234.9 234.8 235.2 0.11 2 1022 63 -34.7 -38.8 66 4.1 -34.8 243 6 237.0 237.0 236.8 237.3 0.13 3 1000 215 -31.3 -35.2 68 3.9 -31.5 275 23 241.9 241.9 241.6 242.4 0.19 4 967 455 -24.9 -29.1 68 4.2 -25.3 284 22 250.6 250.7 250.0 251.6 0.36 5 925 778 -24.3 -28.4 69 4.1 -24.7 295 21 254.5 254.5 253.4 255.6 0.40 6 900 977 -24.7 -28.8 69 4.1 -25.1 282 23 256.1 256.1 254.8 257.2 0.39 7 874 1192 -21.5 -25.4 71 3.9 -22.0 268 25 261.5 261.6 259.5 263.1 0.55 8 850 1397 -21.7 -25.5 71 3.8 -22.2 255 27 263.4 263.5 261.0 265.0 0.56 9 848 1414 -21.7 -25.5 71 3.8 -22.2 255 27 263.6 263.7 261.2 265.2 0.57 10 781 2017 -24.1 -30.1 58 6.0 -24.8 248 29 267.3 267.4 263.6 268.5 0.40 11 700 2808 -28.7 -38.7 38 10.0 -29.5 240 31 270.7 270.7 265.6 271.3 0.19 12 624 3622 -33.5 -45.5 29 12.0 -34.1 240 37 274.3 274.3 267.7 274.6 0.10 13 507 5064 -37.7 -51.7 22 14.0 -38.2 240 47 285.9 285.9 274.6 286.2 0.06 14 500 5160 -38.3 -52.3 22 14.0 -38.8 240 48 286.3 286.4 274.9 286.6 0.06 15 495 5229 -38.9 -52.9 21 14.0 -39.4 240 48 286.4 286.4 274.9 286.6 0.06 16 400 6670 -46.7 -59.7 21 13.0 -47.0 245 42 294.3 294.3 278.8 294.4 0.03 17 384 6938 -47.7 -59.7 24 12.0 -48.0 241 41 296.4 296.4 279.8 296.6 0.03 18 300 8520 -58.7 -69.7 23 11.0 -58.8 220 33 302.6 302.6 282.4 302.6 0.01 19 298 8562 -58.9 -69.9 23 11.0 -59.0 220 33 302.9 302.9 282.5 302.9 0.01 20 297 8584 -59.1 -70.1 23 11.0 -59.2 220 33 302.9 302.9 282.5 302.9 0.01 21 250 9670 -59.3 -70.3 23 11.0 -59.4 240 40 317.9 317.9 288.1 318.0 0.01 22 200 11080 -56.3 -67.3 24 11.0 -56.5 220 33 343.6 343.6 295.2 343.7 0.02 23 174 11964 -56.9 -68.9 21 12.0 -57.1 218 32 356.6 356.6 298.0 356.7 0.02 24 150 12910 -54.1 -67.1 19 13.0 -54.4 215 31 376.9 376.9 301.8 377.0 0.03 25 149 12953 -53.5 -66.5 19 13.0 -53.9 215 31 378.6 378.6 302.1 378.8 0.03 26 100 15500 -55.7 -71.7 12 16.0 -56.1 190 35 420.1 420.1 307.7 420.2 0.02 27 70 17770 -54.1 -72.1 9 18.0 -54.9 185 42 468.6 468.7 312.5 468.8 0.03 28 67 18051 -54.3 -72.3 9 18.0 -55.1 474.1 474.1 313.0 474.3 0.03 TRP 297 8584 -59.1 -70.1 23 11.0 -59.2 220 33 302.9 302.9 282.5 302.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 4945.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 45.90 % Est. max temperature: -9.84 C = 14.29 F Sfc-Lift cond lev (LCL): 953.18 mb = 559.97 m = 1837.15 ft T: -24.71 C 700-500 lapse rate: 4.08 C/km ThetaE index: 0.00 C Layer 1024.0- -0.0 mb Conv cond level (CCL): 1023.00 mb = 56.38 m = 184.97 ft Mean mixing ratio: 0.29 g/kg Conv temperature: -30.52 C = -22.93 F Cap Strength: 31.10 C Lifted Index: 31.29 C Risk: None Lifted Index @300 mb: 38.55 C Lifted Index @700 mb: 20.50 C Showalter Index: 17.58 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 12.80 C K Index: -18.90 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 4.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.89 J/kg Max Up Vert Vel: 11.65 m/s Conv Inhibition (B-): 38873.97 J/kg Cap Strength: 30.98 C Lift Cond Lev (LCL): 918.51 mb = 829.25 m = 2720.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 26 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 1024 50 240 5 4.3 2.5 | 104 22 -21.1 5.4 1 1000 215 275 23 22.9 -2.0 | 110 3 -2.6 0.9 2 925 778 295 21 19.0 -8.9 | 47 9 -6.4 -5.9 3 850 1397 255 27 26.1 7.0 | 184 10 0.6 9.9 4 700 2808 240 31 26.8 15.5 | 184 18 1.4 18.4 5 500 5160 240 48 41.6 24.0 | 211 31 16.1 26.9 6 400 6670 245 42 38.1 17.7 | 211 24 12.6 20.7 7 300 8520 220 33 21.2 25.3 | 171 29 -4.3 28.2 8 297 8584 220 33 21.2 25.3 | 171 29 -4.3 28.2 9 250 9670 240 40 34.6 20.0 | 202 25 9.2 22.9 10 200 11080 220 33 21.2 25.3 | 171 29 -4.3 28.2 11 150 12910 215 31 17.8 25.4 | 165 29 -7.7 28.3 12 100 15500 190 35 6.1 34.5 | 153 42 -19.4 37.4 13 70 17770 185 42 3.7 41.8 | 154 50 -21.8 44.8 Wind Parameters Mean winds (0-6000m): 246.6 at 34.2 knts Storm direction: 276.6 at 25.6 knts Shear (0-3000m) pos: 3.2 neg: 4.1 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 84.1 deg Storm rel helicity (0-3000m) pos: 29.4 neg: -8.1 tot: 21.3 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 1.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.25 Bulk Shear: 54.28 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 ------------------------------------------------------------------------------- 500 278 20 92 6| 19.3 0.0 19.3| 16.0 -5.6 10.4 20.8 -0.05| 25.2 -1.2 1000 283 21 72 6| 9.6 2.1 11.8| 18.1 -6.9 11.3 11.3 0.02| 17.6 0.3 1500 275 22 109 3| 6.4 5.2 11.6| 21.9 -6.9 15.1 10.1 0.12| 15.7 1.9 2000 268 24 156 4| 4.8 4.7 9.5| 22.6 -6.9 15.8 7.9 0.12| 12.6 1.5 2500 262 25 173 6| 3.9 4.3 8.2| 22.6 -7.4 15.2 6.1 0.11| 10.7 1.2 3000 258 26 179 9| 3.2 4.1 7.3| 29.4 -8.1 21.3 7.1 0.12| 9.5 1.2 4000 252 29 188 12| 2.4 3.8 6.2| 58.6 -8.1 50.5 12.6 0.19| 8.0 1.5 5000 248 32 195 15| 1.9 3.7 5.6| 87.8 -8.1 79.7 15.9 0.23| 7.2 1.6 6000 247 34 200 18| 1.7 3.1 4.8| 93.2 -8.1 85.1 14.2 0.22| 6.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251201.00.gif