UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 16 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 1007 44 -5.1 -5.6 96 0.5 -5.3 300 19 267.5 267.9 267.5 274.2 2.50 1 1000 99 -5.9 -8.2 84 2.3 -6.6 290 25 267.2 267.6 266.5 272.8 2.06 2 986 209 -6.7 -8.9 84 2.2 -7.4 295 26 267.5 267.8 266.6 272.9 1.97 3 941 574 -5.5 -7.1 88 1.6 -6.0 310 30 272.3 272.7 270.5 278.9 2.38 4 925 708 -6.7 -8.8 85 2.1 -7.4 315 31 272.5 272.8 270.1 278.3 2.12 5 850 1364 -10.9 -13.3 82 2.4 -11.5 315 25 274.7 275.0 270.7 279.3 1.61 6 839 1464 -11.5 -13.9 82 2.4 -12.1 317 25 275.1 275.4 270.8 279.5 1.55 7 720 2630 -14.7 -17.2 81 2.5 -15.3 341 28 283.9 284.1 275.6 288.0 1.38 8 700 2843 -15.9 -18.6 80 2.7 -16.5 345 29 284.9 285.1 276.0 288.6 1.26 9 500 5310 -30.3 -34.1 69 3.8 -30.7 345 35 296.1 296.2 280.2 297.5 0.43 10 400 6860 -39.5 -43.5 66 4.0 -39.8 5 52 303.7 303.7 283.1 304.4 0.20 11 357 7632 -43.9 -47.8 65 3.9 -44.1 9 58 307.8 307.8 284.7 308.3 0.14 12 300 8780 -52.1 -56.2 61 4.1 -52.2 15 66 311.9 311.9 286.1 312.2 0.06 13 260 9694 -58.1 -62.4 58 4.3 -58.2 15 75 316.1 316.1 287.5 316.3 0.03 14 255 9816 -58.9 -63.2 57 4.3 -59.0 15 75 316.7 316.7 287.7 316.8 0.03 15 250 9940 -58.7 -63.0 57 4.3 -58.7 15 75 318.8 318.8 288.4 318.9 0.03 16 238 10248 -58.9 -63.3 57 4.4 -59.0 14 68 323.0 323.0 289.7 323.1 0.03 17 200 11350 -54.3 -59.0 56 4.7 -54.4 10 44 346.8 346.8 296.0 347.1 0.07 18 150 13210 -50.7 -59.7 34 9.0 -51.1 15 23 382.7 382.7 302.8 383.1 0.08 19 100 15850 -50.5 -66.5 13 16.0 -51.2 360 9 430.2 430.2 308.9 430.4 0.05 20 70 18170 -51.5 -70.5 9 19.0 -52.5 350 9 474.2 474.2 313.0 474.4 0.04 21 50 20340 -53.3 -74.3 6 21.0 -54.5 255 11 517.9 517.9 316.2 518.1 0.03 22 45 21018 -54.1 -75.1 6 21.0 -55.3 243 12 531.8 531.8 317.1 532.0 0.03 23 38 22110 -52.1 -74.1 5 22.0 -53.8 223 14 563.2 563.2 318.8 563.5 0.04 24 38 22110 -52.3 -74.3 5 22.0 -53.9 223 14 562.7 562.7 318.8 563.0 0.04 25 30 23640 -52.5 -74.5 5 22.0 -54.4 195 17 601.5 601.5 320.7 601.9 0.05 26 20 26270 -51.1 -74.1 5 23.0 -54.1 210 27 679.8 679.8 323.8 680.5 0.08 27 19 26604 -50.7 -73.7 5 23.0 -53.9 691.0 691.1 324.1 691.8 0.09 TRP 255 9816 -58.9 -63.2 57 4.3 -59.0 15 75 316.7 316.7 287.7 316.8 0.03 WND 260 9694 -58.1 -62.4 58 4.3 -58.2 15 75 316.1 316.1 287.5 316.3 0.03 Sounding variables and indices 1000-500 mb thick: 5211.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 79.03 % Est. max temperature: 1.91 C = 35.43 F Sfc-Lift cond lev (LCL): 998.95 mb = 107.23 m = 351.79 ft T: -5.96 C 700-500 lapse rate: 5.84 C/km ThetaE index: 1.40 C Layer 1000.0- 986.0 mb Conv cond level (CCL): 877.69 mb = 1115.34 m = 3659.21 ft Mean mixing ratio: 2.15 g/kg Conv temperature: 1.27 C = 34.29 F Cap Strength: 9.63 C Lifted Index: 16.61 C Risk: None Lifted Index @300 mb: 25.28 C Lifted Index @700 mb: 9.63 C Showalter Index: 14.15 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 17.00 C K Index: 3.40 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.60 J/kg Max Up Vert Vel: 6.87 m/s Conv Inhibition (B-): 54209.89 J/kg Cap Strength: 16.32 C Lift Cond Lev (LCL): 926.59 mb = 694.60 m = 2278.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 at 23 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 1007 44 300 19 16.5 -9.5 | 235 23 19.0 13.4 1 1000 99 290 25 23.5 -8.6 | 241 30 26.0 14.4 2 925 708 315 31 21.9 -21.9 | 268 24 24.5 1.0 3 850 1364 315 25 17.7 -17.7 | 255 21 20.2 5.3 4 700 2843 345 29 7.5 -28.0 | 297 11 10.0 -5.1 5 500 5310 345 35 9.1 -33.8 | 313 16 11.6 -10.9 6 400 6860 5 52 -4.5 -51.8 | 4 29 -2.0 -28.9 7 300 8780 15 66 -17.1 -63.8 | 20 43 -14.6 -40.8 8 260 9694 15 75 -19.4 -72.4 | 19 52 -16.9 -49.5 9 255 9816 15 75 -19.4 -72.4 | 19 52 -16.9 -49.5 10 250 9940 15 75 -19.4 -72.4 | 19 52 -16.9 -49.5 11 200 11350 10 44 -7.6 -43.3 | 14 21 -5.1 -20.4 12 150 13210 15 23 -6.0 -22.2 | 102 3 -3.4 0.7 13 100 15850 360 9 -0.0 -9.0 | 190 14 2.5 13.9 14 70 18170 350 9 1.6 -8.9 | 196 15 4.1 14.1 15 50 20340 255 11 10.6 2.8 | 207 29 13.2 25.8 16 30 23640 195 17 4.4 16.4 | 190 40 6.9 39.4 17 20 26270 210 27 13.5 23.4 | 199 49 16.0 46.3 Wind Parameters Mean winds (0-6000m): 336.3 at 30.8 knts Storm direction: 6.3 at 23.1 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 63.9 deg Storm rel helicity (0-3000m) pos: 153.6 neg: -26.1 tot: 127.4 m^2/s^2 ave: 42.5 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.52 Bulk Shear: 45.73 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 ------------------------------------------------------------------------------- 500 299 27 249 28| 11.2 0.0 11.2| 84.9 0.0 84.9 169.8 0.74| 16.4 12.2 1000 307 28 257 26| 5.5 0.0 5.5|107.0 -13.1 93.9 93.9 0.58| 11.6 6.7 1500 310 27 257 24| 3.3 0.0 3.3|112.8 -26.1 86.6 57.8 0.44| 9.2 4.1 2000 313 27 259 23| 3.5 0.0 3.5|129.6 -26.1 103.5 51.7 0.48| 8.2 3.9 2500 318 27 262 21| 3.7 0.0 3.7|144.4 -26.1 118.3 47.3 0.52| 7.6 3.9 3000 322 27 266 19| 3.6 0.0 3.6|153.6 -26.1 127.4 42.5 0.55| 6.9 3.8 4000 329 28 274 17| 2.7 0.3 3.0|159.0 -26.1 132.8 33.2 0.55| 5.5 3.0 5000 333 29 281 16| 2.2 0.5 2.7|164.4 -26.1 138.2 27.6 0.55| 4.7 2.6 6000 336 31 289 16| 2.7 0.4 3.1|208.9 -26.1 182.8 30.5 0.61| 4.8 2.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251016.00.gif