UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 18 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 49 -4.5 -10.5 63 6.0 -6.2 300 7 268.2 268.5 266.6 272.9 1.70 1 1000 96 -4.9 -10.9 63 6.0 -6.6 300 7 268.2 268.5 266.5 272.8 1.66 2 925 701 -10.7 -15.0 71 4.3 -11.7 305 13 268.4 268.6 266.0 271.9 1.29 3 865 1211 -15.9 -18.1 83 2.2 -16.3 313 19 268.1 268.3 265.4 271.1 1.06 4 850 1342 -16.7 -19.3 80 2.6 -17.2 315 21 268.7 268.8 265.6 271.4 0.98 5 794 1852 -18.3 -21.9 73 3.6 -18.9 324 22 272.2 272.4 267.8 274.6 0.83 6 700 2780 -24.3 -28.1 71 3.8 -24.8 340 23 275.6 275.7 269.4 277.2 0.54 7 500 5150 -40.7 -44.7 65 4.0 -40.9 355 29 283.4 283.4 273.4 283.9 0.14 8 486 5343 -41.7 -45.9 64 4.2 -41.9 355 30 284.5 284.5 274.0 284.9 0.13 9 400 6640 -50.9 -57.9 43 7.0 -51.0 355 33 288.8 288.8 276.1 289.0 0.04 10 381 6953 -52.9 -59.9 42 7.0 -53.0 360 29 290.2 290.3 276.8 290.4 0.03 11 300 8500 -49.1 -62.1 21 13.0 -49.4 350 21 316.1 316.2 287.5 316.3 0.03 12 254 9604 -46.3 -66.3 9 20.0 -46.9 327 21 335.7 335.7 293.3 335.8 0.02 13 250 9710 -45.5 -65.5 9 20.0 -46.1 325 21 338.4 338.4 294.0 338.5 0.02 14 228 10324 -44.3 -66.3 7 22.0 -45.0 325 20 349.3 349.3 296.5 349.4 0.02 15 200 11200 -44.7 -67.7 6 23.0 -45.5 325 19 362.0 362.0 299.1 362.1 0.02 16 150 13120 -45.3 -69.3 5 24.0 -46.3 310 17 392.0 392.0 304.1 392.1 0.02 17 100 15820 -46.9 -70.9 5 24.0 -48.1 305 11 437.1 437.1 309.6 437.3 0.03 18 97 16023 -46.9 -70.9 5 24.0 -48.1 305 12 440.9 440.9 310.0 441.1 0.03 19 70 18190 -47.5 -71.5 5 24.0 -49.1 300 17 482.8 482.8 313.7 483.0 0.04 20 50 20410 -48.3 -72.3 5 24.0 -50.3 285 17 529.6 529.7 316.9 529.9 0.04 21 30 23740 -52.1 -76.1 4 24.0 -54.2 285 19 602.6 602.6 320.7 602.9 0.04 22 20 26370 -50.7 -74.7 4 24.0 -53.9 275 19 681.0 681.0 323.8 681.6 0.08 23 11 30321 -44.3 -69.3 5 25.0 -51.5 831.2 831.4 328.1 834.4 0.31 TRP 381 6953 -52.9 -59.9 42 7.0 -53.0 360 29 290.2 290.3 276.8 290.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5054.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 70.58 % Est. max temperature: -4.24 C = 24.36 F Sfc-Lift cond lev (LCL): 914.76 mb = 785.55 m = 2577.25 ft T: -11.56 C 700-500 lapse rate: 6.92 C/km ThetaE index: 1.74 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 884.34 mb = 1042.61 m = 3420.61 ft Mean mixing ratio: 1.44 g/kg Conv temperature: -4.46 C = 23.97 F Cap Strength: 4.33 C Lifted Index: 9.32 C Risk: None Lifted Index @300 mb: 31.10 C Lifted Index @700 mb: 4.33 C Showalter Index: 10.02 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 21.40 C K Index: 0.90 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 2.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.27 J/kg Max Up Vert Vel: 2.56 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 9.26 C Lift Cond Lev (LCL): 883.05 mb = 1053.63 m = 3456.76 ft Lev Free Conv (LFC): 878.05 mb = 1096.78 m = 3598.31 ft Equ Level (EL): 838.05 mb = 1447.84 m = 4750.06 ft B at Equ Level: 2.07 J/kg Max Parcel Lev (MPL): 828.05 mb = 1537.60 m = 5044.57 ft Wind level data Storm motion: 11 at 17 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 49 300 7 6.1 -3.5 | 214 16 9.3 13.6 1 1000 96 300 7 6.1 -3.5 | 214 16 9.3 13.6 2 925 701 305 13 10.6 -7.5 | 235 17 13.9 9.6 3 850 1342 315 21 14.8 -14.8 | 263 18 18.1 2.2 4 700 2780 340 23 7.9 -21.6 | 292 12 11.1 -4.6 5 500 5150 355 29 2.5 -28.9 | 334 13 5.8 -11.8 6 400 6640 355 33 2.9 -32.9 | 339 17 6.1 -15.8 7 381 6953 360 29 -0.0 -29.0 | 345 12 3.2 -11.9 8 300 8500 350 21 3.6 -20.7 | 298 8 6.9 -3.6 9 250 9710 325 21 12.0 -17.2 | 271 15 15.3 -0.1 10 200 11200 325 19 10.9 -15.6 | 264 14 14.1 1.5 11 150 13120 310 17 13.0 -10.9 | 249 17 16.2 6.1 12 100 15820 305 11 9.0 -6.3 | 229 16 12.2 10.8 13 70 18190 300 17 14.7 -8.5 | 244 20 17.9 8.6 14 50 20410 285 17 16.4 -4.4 | 237 23 19.6 12.7 15 30 23740 285 19 18.4 -4.9 | 241 25 21.6 12.1 16 20 26370 275 19 18.9 -1.7 | 235 27 22.2 15.4 Wind Parameters Mean winds (0-6000m): 340.7 at 23.2 knts Storm direction: 10.7 at 17.4 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 82.6 deg Storm rel helicity (0-3000m) pos: 98.5 neg: 0.0 tot: 98.5 m^2/s^2 ave: 32.8 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 38.42 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 ------------------------------------------------------------------------------- 500 302 9 222 16| 4.7 0.0 4.7| 19.7 0.0 19.7 39.5 1.00| 4.7 4.7 1000 305 12 231 16| 5.4 0.0 5.4| 47.0 0.0 47.0 47.0 0.99| 5.5 5.4 1500 310 14 241 16| 5.1 0.0 5.1| 70.2 0.0 70.2 46.8 0.97| 5.5 5.3 2000 314 16 249 16| 4.1 0.0 4.1| 81.2 0.0 81.2 40.6 0.94| 5.0 4.6 2500 319 18 255 15| 3.6 0.0 3.6| 91.1 0.0 91.1 36.5 0.91| 4.7 4.3 3000 323 18 261 14| 3.3 0.0 3.3| 98.5 0.0 98.5 32.8 0.91| 4.3 3.9 4000 330 20 272 13| 2.8 0.0 2.8|110.4 0.0 110.4 27.6 0.92| 3.7 3.4 5000 336 22 283 12| 2.6 0.0 2.6|123.2 0.0 123.2 24.6 0.93| 3.4 3.1 6000 341 23 294 12| 2.3 0.1 2.4|127.6 0.0 127.6 21.3 0.89| 3.1 2.7 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250418.12.gif