UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 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 1006 40 -1.1 -1.1 100 0.0 -1.1 330 29 271.6 272.2 271.7 281.0 3.50 1 1000 88 -2.5 -3.6 92 1.1 -2.9 320 36 270.6 271.1 270.2 278.5 2.92 2 998 104 -3.1 -4.4 91 1.3 -3.6 321 36 270.2 270.7 269.7 277.7 2.76 3 925 704 -4.3 -5.7 90 1.4 -4.8 355 40 274.9 275.4 272.5 282.4 2.70 4 910 833 -2.5 -3.9 90 1.4 -3.0 354 39 278.0 278.6 275.0 286.8 3.14 5 850 1372 -4.9 -6.2 91 1.3 -5.4 350 35 281.0 281.5 276.2 289.0 2.83 6 828 1578 -5.9 -7.3 90 1.4 -6.4 349 35 282.1 282.5 276.5 289.7 2.66 7 700 2872 -14.9 -17.3 82 2.4 -15.5 340 33 286.0 286.2 276.7 290.2 1.40 8 636 3591 -19.3 -21.3 84 2.0 -19.7 343 38 288.9 289.1 277.8 292.3 1.10 9 620 3781 -19.3 -21.9 80 2.6 -19.8 344 39 291.0 291.2 278.8 294.3 1.07 10 538 4822 -26.1 -28.3 82 2.2 -26.4 348 46 295.0 295.1 280.1 297.2 0.69 11 500 5350 -28.1 -32.1 69 4.0 -28.6 350 50 298.8 298.9 281.5 300.5 0.52 12 493 5451 -28.5 -32.7 67 4.2 -29.0 351 50 299.5 299.6 281.8 301.1 0.50 13 400 6920 -36.1 -40.4 64 4.3 -36.5 5 54 308.1 308.1 284.9 309.1 0.28 14 300 8860 -48.5 -52.5 63 4.0 -48.6 10 60 317.0 317.0 287.9 317.4 0.10 15 250 10040 -55.9 -59.4 65 3.5 -56.0 10 62 323.0 323.0 289.7 323.2 0.05 16 228 10625 -59.6 -63.1 64 3.5 -59.6 15 62 325.9 325.9 290.6 326.1 0.03 17 209 11167 -63.1 -66.6 62 3.5 -63.1 20 62 328.7 328.7 291.3 328.8 0.02 18 200 11440 -62.1 -65.5 64 3.4 -62.1 20 58 334.4 334.4 292.9 334.5 0.03 19 150 13240 -54.3 -58.2 62 3.9 -54.5 15 29 376.5 376.5 301.8 377.0 0.10 20 100 15850 -53.3 -58.3 54 5.0 -53.6 355 7 424.7 424.8 308.3 425.5 0.15 21 70 18140 -54.5 -59.5 54 5.0 -54.9 340 11 467.8 467.8 312.5 468.8 0.18 22 53 19926 -54.3 -60.3 48 6.0 -54.8 261 11 507.0 507.1 315.5 508.3 0.21 23 50 20300 -54.9 -60.9 47 6.0 -55.4 245 11 514.1 514.2 316.0 515.4 0.21 24 49 20429 -54.7 -60.7 47 6.0 -55.2 243 11 517.6 517.6 316.2 519.0 0.22 25 49 20429 -54.5 -60.5 47 6.0 -55.1 243 11 518.0 518.1 316.2 519.5 0.23 26 34 22755 -56.5 -62.5 47 6.0 -57.2 211 13 569.8 569.9 319.2 571.6 0.25 27 30 23550 -55.5 -61.5 47 6.0 -56.3 200 13 593.3 593.5 320.4 595.7 0.32 28 20 26154 -52.3 -58.3 48 6.0 -53.7 676.1 676.4 323.9 682.2 0.73 TRP 209 11167 -63.1 -66.6 62 3.5 -63.1 20 62 328.7 328.7 291.3 328.8 0.02 WND 228 10625 -59.6 -63.1 64 3.5 -59.6 15 62 325.9 325.9 290.6 326.1 0.03 Sounding variables and indices 1000-500 mb thick: 5262.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 84.44 % Est. max temperature: 8.04 C = 46.47 F Sfc-Lift cond lev (LCL): 1005.80 mb = 42.05 m = 137.94 ft T: -1.15 C 700-500 lapse rate: 5.33 C/km ThetaE index: 3.35 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 812.75 mb = 1721.19 m = 5646.86 ft Mean mixing ratio: 2.80 g/kg Conv temperature: 9.85 C = 49.73 F Cap Strength: 12.43 C Lifted Index: 15.06 C Risk: None Lifted Index @300 mb: 25.54 C Lifted Index @700 mb: 7.05 C Showalter Index: 8.85 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.20 C Cross Totals Index: 21.90 C K Index: 14.60 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.38 J/kg Max Up Vert Vel: 7.12 m/s Conv Inhibition (B-): 52572.56 J/kg Cap Strength: 14.69 C Lift Cond Lev (LCL): 934.99 mb = 619.13 m = 2031.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 at 30 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 1006 40 330 29 14.5 -25.1 | 261 23 23.1 3.5 1 1000 88 320 36 23.1 -27.6 | 268 32 31.8 1.1 2 925 704 355 40 3.5 -39.8 | 313 17 12.1 -11.2 3 850 1372 350 35 6.1 -34.5 | 292 16 14.7 -5.8 4 700 2872 340 33 11.3 -31.0 | 277 20 19.9 -2.4 5 500 5350 350 50 8.7 -49.2 | 320 27 17.3 -20.6 6 400 6920 5 54 -4.7 -53.8 | 351 25 3.9 -25.1 7 300 8860 10 60 -10.4 -59.1 | 3 30 -1.8 -30.4 8 250 10040 10 62 -10.8 -61.1 | 4 32 -2.1 -32.4 9 228 10625 15 62 -16.0 -59.9 | 13 32 -7.4 -31.2 10 209 11167 20 62 -21.2 -58.3 | 23 32 -12.6 -29.6 11 200 11440 20 58 -19.8 -54.5 | 23 28 -11.2 -25.8 12 150 13240 15 29 -7.5 -28.0 | 241 1 1.1 0.6 13 100 15850 355 7 0.6 -7.0 | 203 24 9.3 21.7 14 70 18140 340 11 3.8 -10.3 | 214 22 12.4 18.3 15 50 20300 245 11 10.0 4.6 | 209 38 18.6 33.3 16 30 23550 200 13 4.4 12.2 | 198 43 13.1 40.9 Wind Parameters Mean winds (0-6000m): 346.8 at 39.9 knts Storm direction: 16.8 at 29.9 knts Shear (0-3000m) pos: 2.6 neg: 1.4 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 18.9 deg Storm rel helicity (0-3000m) pos: 135.8 neg: -45.1 tot: 90.7 m^2/s^2 ave: 30.2 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.95 Bulk Shear: 13.04 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 ------------------------------------------------------------------------------- 500 333 37 279 26| 13.9 0.0 13.9|106.2 0.0 106.2 212.5 0.67| 24.2 16.1 1000 343 38 291 21| 7.9 0.0 7.9|129.8 -11.4 118.4 118.4 0.55| 16.7 9.2 1500 346 37 293 19| 5.3 1.2 6.5|129.8 -26.1 103.7 69.1 0.40| 12.4 4.9 2000 346 37 291 19| 4.0 1.4 5.4|129.8 -33.2 96.7 48.3 0.34| 9.8 3.3 2500 346 36 290 19| 3.2 1.5 4.7|129.8 -40.5 89.3 35.7 0.28| 8.3 2.3 3000 345 36 288 19| 2.6 1.4 4.0|135.8 -45.1 90.7 30.2 0.27| 7.3 2.0 4000 344 36 288 19| 2.8 1.0 3.8|175.2 -45.1 130.1 32.5 0.37| 6.4 2.4 5000 345 38 293 20| 3.0 0.8 3.8|217.9 -45.1 172.8 34.6 0.44| 5.9 2.6 6000 347 40 300 20| 3.1 0.7 3.8|273.8 -45.1 228.7 38.1 0.51| 5.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251016.12.gif