UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 13 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 41 -5.3 -5.5 98 0.2 -5.4 300 19 267.3 267.7 267.4 274.1 2.51 1 1000 96 -6.1 -7.9 87 1.8 -6.7 285 25 267.0 267.4 266.5 272.7 2.10 2 975 294 -7.5 -9.2 88 1.7 -8.0 282 25 267.6 267.9 266.6 272.9 1.95 3 951 488 -4.9 -6.4 89 1.5 -5.4 279 25 272.1 272.5 270.5 278.9 2.49 4 925 706 -5.7 -6.8 92 1.1 -6.1 275 25 273.5 273.9 271.3 280.3 2.48 5 867 1214 -6.1 -7.3 91 1.2 -6.5 271 25 278.2 278.6 274.2 285.3 2.54 6 850 1370 -4.9 -6.0 92 1.1 -5.3 270 25 281.0 281.5 276.2 289.1 2.87 7 848 1389 -4.3 -5.3 93 1.0 -4.7 271 25 281.8 282.4 276.9 290.4 3.03 8 700 2876 -12.7 -14.9 84 2.2 -13.3 315 17 288.4 288.7 278.4 293.6 1.72 9 688 3008 -13.1 -15.3 84 2.2 -13.7 317 17 289.4 289.7 278.9 294.5 1.69 10 680 3097 -12.5 -14.7 84 2.2 -13.1 318 17 291.0 291.4 279.7 296.5 1.80 11 678 3120 -9.5 -12.7 77 3.2 -10.5 318 17 294.6 295.0 281.8 301.1 2.12 12 643 3526 -13.5 -20.5 56 7.0 -15.2 323 16 294.6 294.8 280.6 298.2 1.16 13 602 4024 -16.5 -22.5 60 6.0 -17.8 328 16 296.7 296.9 281.4 300.0 1.04 14 589 4187 -18.9 -23.5 67 4.6 -19.8 330 16 295.8 296.0 280.8 298.9 0.98 15 538 4858 -21.5 -24.9 74 3.4 -22.2 338 15 300.5 300.6 282.8 303.5 0.94 16 536 4885 -23.3 -26.8 73 3.5 -23.9 339 15 298.6 298.8 281.8 301.2 0.80 17 502 5361 -26.7 -30.0 74 3.3 -27.2 345 15 300.1 300.3 282.3 302.2 0.63 18 500 5390 -26.9 -30.2 74 3.3 -27.4 345 15 300.2 300.4 282.3 302.3 0.62 19 454 6084 -28.9 -32.2 73 3.3 -29.3 349 18 306.1 306.2 284.6 308.1 0.57 20 401 6963 -35.1 -38.4 72 3.3 -35.4 355 23 309.1 309.2 285.4 310.4 0.35 21 400 6980 -35.3 -38.6 72 3.3 -35.6 355 23 309.1 309.2 285.4 310.3 0.34 22 332 8264 -40.5 -43.6 72 3.1 -40.7 318.9 318.9 288.7 319.8 0.24 23 330 8305 -40.9 -44.0 72 3.1 -41.1 318.9 318.9 288.6 319.8 0.23 24 314 8640 -45.7 -48.9 70 3.2 -45.9 316.8 316.8 287.9 317.3 0.14 TRP WND Sounding variables and indices 1000-500 mb thick: 5294.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 79.34 % Est. max temperature: 7.24 C = 45.04 F Sfc-Lift cond lev (LCL): 1003.61 mb = 67.76 m = 222.30 ft T: -5.69 C 700-500 lapse rate: 5.65 C/km ThetaE index: 1.32 C Layer 1000.0- 975.0 mb Conv cond level (CCL): 983.98 mb = 221.98 m = 728.29 ft Mean mixing ratio: 2.30 g/kg Conv temperature: -5.22 C = 22.60 F Cap Strength: 20.20 C Lifted Index: 19.43 C Risk: None Lifted Index @700 mb: 12.30 C Showalter Index: 9.99 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 20.90 C K Index: 13.80 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.93 J/kg Max Up Vert Vel: 8.59 m/s Conv Inhibition (B-): 5846.28 J/kg Cap Strength: 19.74 C Lift Cond Lev (LCL): 934.79 mb = 623.40 m = 2045.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 14 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 41 300 19 16.5 -9.5 | 251 11 10.3 3.6 1 1000 96 285 25 24.1 -6.5 | 250 19 18.0 6.6 2 925 706 275 25 24.9 -2.2 | 240 22 18.8 10.9 3 850 1370 270 25 25.0 -0.0 | 235 23 18.9 13.1 4 700 2876 315 17 12.0 -12.0 | 260 6 5.9 1.0 5 500 5390 345 15 3.9 -14.5 | 57 3 -2.2 -1.4 6 400 6980 355 23 2.0 -22.9 | 23 11 -4.1 -9.9 Wind Parameters Mean winds (0-6000m): 304.9 at 19.2 knts Storm direction: 334.9 at 14.4 knts Shear (0-3000m) pos: 3.0 neg: 2.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 11.3 deg Storm rel helicity (0-3000m) pos: 28.3 neg: -29.9 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.73 Bulk Shear: 13.54 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 ------------------------------------------------------------------------------- 500 282 25 247 20| 0.0 10.6 10.6| 0.0 -14.3 -14.3 -28.7 -0.25| 11.7 -2.9 1000 278 25 243 21| 0.0 6.2 6.2| 0.0 -25.0 -25.0 -25.0 -0.35| 7.0 -2.4 1500 276 25 241 21| 0.5 4.1 4.6| 6.8 -29.9 -23.1 -15.4 -0.26| 5.8 -1.5 2000 277 24 241 21| 2.0 3.1 5.1| 20.8 -29.9 -9.1 -4.5 -0.06| 6.0 -0.4 2500 280 23 242 19| 2.8 2.5 5.3| 26.8 -29.9 -3.1 -1.2 0.01| 6.0 0.1 3000 283 23 243 18| 3.0 2.1 5.1| 28.3 -29.9 -1.6 -0.5 0.03| 5.7 0.2 4000 291 21 248 15| 2.7 1.5 4.2| 29.9 -29.9 -0.0 -0.0 0.07| 4.8 0.3 5000 298 20 252 12| 2.5 1.2 3.7| 31.0 -29.9 1.1 0.2 0.14| 4.1 0.6 6000 305 19 258 10| 2.3 1.0 3.4| 31.3 -31.6 -0.3 -0.1 0.10| 3.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251013.12.gif