UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 21 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1022 69 2.2 1.2 93 1.0 1.8 300 1 273.6 274.3 273.8 284.6 4.08 1 1000 244 1.4 0.4 93 1.0 1.0 300 3 274.5 275.2 274.1 285.2 3.93 2 925 871 -1.9 -3.0 92 1.1 -2.3 310 9 277.4 277.9 274.8 286.5 3.31 3 899 1096 -2.9 -4.2 91 1.3 -3.4 312 11 278.6 279.1 275.2 287.3 3.11 4 850 1536 -5.9 -7.2 91 1.3 -6.4 315 15 280.0 280.4 275.3 287.4 2.62 5 764 2365 -12.3 -14.7 82 2.4 -12.9 318 20 281.7 282.0 274.8 286.4 1.60 6 751 2497 -10.7 -13.6 79 2.9 -11.5 318 21 284.8 285.2 276.7 290.1 1.78 7 700 3036 -14.3 -18.2 72 3.9 -15.2 320 25 286.6 286.9 276.9 290.6 1.30 8 500 5510 -29.3 -43.3 25 14.0 -30.4 340 33 297.3 297.3 280.4 297.9 0.17 9 400 7070 -40.1 -53.1 24 13.0 -40.6 345 35 302.9 302.9 282.7 303.1 0.07 10 300 8970 -53.5 -63.5 28 10.0 -53.7 345 38 309.9 309.9 285.3 310.0 0.02 11 255 10005 -59.3 -68.3 30 9.0 -59.4 340 38 316.1 316.1 287.5 316.2 0.02 12 250 10130 -58.9 -67.9 30 9.0 -59.0 335 35 318.5 318.5 288.3 318.6 0.02 13 200 11550 -55.5 -64.5 32 9.0 -55.7 320 31 344.9 344.9 295.5 345.0 0.03 14 186 12014 -54.9 -63.9 32 9.0 -55.1 317 30 353.1 353.1 297.3 353.2 0.04 15 150 13390 -55.3 -66.3 24 11.0 -55.6 310 29 374.8 374.8 301.4 375.0 0.03 16 100 15960 -56.9 -70.9 15 14.0 -57.3 300 25 417.8 417.8 307.4 417.9 0.03 17 99 16024 -56.9 -70.9 15 14.0 -57.3 300 25 419.0 419.0 307.6 419.1 0.03 18 70 18220 -57.9 -72.9 13 15.0 -58.4 295 21 460.5 460.5 311.8 460.7 0.03 19 50 20330 -59.1 -75.1 11 16.0 -59.7 285 19 504.2 504.2 315.2 504.4 0.03 20 30 23510 -60.9 -77.9 9 17.0 -61.7 280 21 578.6 578.6 319.6 578.8 0.03 21 20 26050 -58.5 -75.5 9 17.0 -59.9 280 23 657.1 657.1 323.0 657.7 0.07 22 10 30460 -53.7 -71.7 9 18.0 -57.4 275 25 819.1 819.2 327.8 821.5 0.24 23 8.8 31283 -52.9 -70.9 10 18.0 -57.2 852.7 852.9 328.5 855.9 0.31 TRP 255 10005 -59.3 -68.3 30 9.0 -59.4 340 38 316.1 316.1 287.5 316.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5266.00 m Freezing level: 968.18 mb = 510.00 m = 1673.21 ft Wetbulb zero: 978.12 mb = 421.93 m = 1384.25 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 68.73 % Est. max temperature: 7.94 C = 46.30 F Sfc-Lift cond lev (LCL): 1006.15 mb = 194.64 m = 638.58 ft T: 1.63 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.97 C Layer 764.0- 751.0 mb Conv cond level (CCL): 936.43 mb = 772.27 m = 2533.66 ft Mean mixing ratio: 3.69 g/kg Conv temperature: 5.51 C = 41.91 F Cap Strength: 4.25 C Lifted Index: 10.17 C Risk: None Lifted Index @300 mb: 17.20 C Lifted Index @700 mb: 4.25 C Showalter Index: 8.91 C Risk: None Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 22.10 C K Index: 12.30 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.66 J/kg Max Up Vert Vel: 5.03 m/s Conv Inhibition (B-): 59340.95 J/kg Cap Strength: 10.01 C Lift Cond Lev (LCL): 955.41 mb = 610.82 m = 2003.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 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 1022 69 300 1 0.9 -0.5 | 181 16 0.3 16.3 1 1000 244 300 3 2.6 -1.5 | 188 15 2.0 15.3 2 925 871 310 9 6.9 -5.8 | 210 13 6.3 11.0 3 850 1536 315 15 10.6 -10.6 | 238 12 10.0 6.2 4 700 3036 320 25 16.1 -19.2 | 279 16 15.5 -2.4 5 500 5510 340 33 11.3 -31.0 | 323 18 10.7 -14.3 6 400 7070 345 35 9.1 -33.8 | 334 19 8.5 -17.0 7 300 8970 345 38 9.8 -36.7 | 335 22 9.3 -19.9 8 255 10005 340 38 13.0 -35.7 | 327 23 12.4 -18.9 9 250 10130 335 35 14.8 -31.7 | 316 21 14.2 -15.0 10 200 11550 320 31 19.9 -23.7 | 290 21 19.4 -7.0 11 150 13390 310 29 22.2 -18.6 | 275 22 21.6 -1.9 12 100 15960 300 25 21.7 -12.5 | 259 22 21.1 4.3 13 70 18220 295 21 19.0 -8.9 | 247 20 18.5 7.9 14 50 20330 285 19 18.4 -4.9 | 236 21 17.8 11.8 15 30 23510 280 21 20.7 -3.6 | 237 24 20.1 13.1 16 20 26050 280 23 22.7 -4.0 | 240 26 22.1 12.8 17 10 30460 275 25 24.9 -2.2 | 239 28 24.3 14.6 Wind Parameters Mean winds (0-6000m): 328.0 at 22.4 knts Storm direction: 358.0 at 16.8 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 79.8 neg: 0.0 tot: 79.8 m^2/s^2 ave: 26.6 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 48.38 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 ------------------------------------------------------------------------------- 500 303 4 190 15| 5.3 0.0 5.3| 18.3 0.0 18.3 36.7 0.89| 5.3 4.7 1000 308 6 198 14| 5.0 0.0 5.0| 33.4 0.0 33.4 33.4 0.91| 5.1 4.6 1500 311 8 207 13| 4.9 0.0 4.9| 47.5 0.0 47.5 31.7 0.93| 4.9 4.6 2000 313 10 216 12| 4.5 0.0 4.5| 58.0 0.0 58.0 29.0 0.94| 4.6 4.3 2500 315 12 226 12| 4.3 0.0 4.3| 68.8 0.0 68.8 27.5 0.94| 4.4 4.1 3000 316 14 236 11| 4.1 0.0 4.1| 79.8 0.0 79.8 26.6 0.93| 4.2 3.9 4000 319 17 252 11| 3.5 0.0 3.5|100.6 0.0 100.6 25.1 0.94| 3.8 3.5 5000 324 20 267 11| 3.2 0.0 3.2|123.4 0.0 123.4 24.7 0.94| 3.6 3.4 6000 328 22 281 11| 2.8 0.0 2.8|140.1 0.0 140.1 23.3 0.94| 3.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251021.12.gif