UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103012.upa.cvt Date: 1200Z 30 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 30 OCT 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 72 165 1 SFC 995 111 -9.9 -11.4 89 1.5 -10.3 165 1 263.6 263.9 263.2 267.9 1.60 2 978 244 -8.1 -9.7 88 1.6 -8.5 186 4 266.7 267.0 265.9 271.8 1.87 3 925 675 -10.9 -13.1 84 2.2 -11.5 255 13 268.2 268.4 266.2 272.3 1.50 4 850 1319 -14.9 -17.7 79 2.8 -15.5 235 11 270.5 270.7 267.1 273.7 1.12 5 810 1682 -17.1 -19.7 80 2.6 -17.6 235 11 272.0 272.1 267.9 274.8 0.99 6 733 2428 -19.3 -21.7 81 2.4 -19.7 235 9 277.4 277.6 271.2 280.1 0.92 7 700 2768 -22.3 -24.7 81 2.4 -22.7 235 9 277.8 277.9 271.1 280.0 0.74 8 672 3066 -25.1 -27.5 80 2.4 -25.4 233 9 277.9 278.0 270.9 279.7 0.59 9 665 3142 -23.5 -25.6 83 2.1 -23.8 233 9 280.5 280.7 272.7 282.7 0.72 10 500 5170 -36.5 -41.3 61 4.8 -36.8 220 11 288.5 288.6 276.3 289.2 0.21 11 400 6680 -48.3 -52.6 61 4.3 -48.4 275 3 292.2 292.2 277.9 292.5 0.07 12 345 7638 -55.1 -59.0 62 3.9 -55.2 316 4 295.6 295.6 279.4 295.8 0.04 13 300 8520 -59.5 -63.5 60 4.0 -59.6 355 5 301.5 301.5 282.0 301.6 0.02 14 298 8562 -59.7 -63.7 59 4.0 -59.7 355 5 301.8 301.8 282.1 301.9 0.02 15 268 9224 -60.1 -64.0 60 3.9 -60.2 331 5 310.5 310.5 285.5 310.6 0.03 16 250 9660 -57.9 -61.9 60 4.0 -58.0 315 5 320.0 320.0 288.8 320.1 0.04 17 231 10164 -54.7 -58.7 61 4.0 -54.8 306 5 332.2 332.2 292.4 332.4 0.06 18 200 11090 -54.3 -58.8 58 4.5 -54.4 290 5 346.8 346.8 296.0 347.1 0.07 19 150 12930 -55.1 -62.1 42 7.0 -55.3 305 7 375.1 375.2 301.5 375.4 0.06 20 142 13279 -54.7 -61.7 42 7.0 -54.9 304 7 381.8 381.8 302.6 382.1 0.07 21 100 15500 -57.7 -67.7 27 10.0 -58.0 300 5 416.2 416.3 307.3 416.5 0.04 22 70 17730 -61.1 -73.1 19 12.0 -61.4 245 7 453.7 453.7 311.2 453.8 0.03 23 54 19337 -63.7 -75.7 18 12.0 -64.0 257 10 482.6 482.6 313.7 482.8 0.02 24 50 19810 -63.7 -75.7 18 12.0 -64.0 260 11 493.4 493.4 314.5 493.5 0.03 25 33 22352 -64.9 -77.9 15 13.0 -65.3 552.4 552.5 318.2 552.6 0.03 TRP 298 8562 -59.7 -63.7 59 4.0 -59.7 355 5 301.8 301.8 282.1 301.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5098.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 77.75 % Est. max temperature: -2.83 C = 26.91 F Sfc-Lift cond lev (LCL): 971.22 mb = 297.96 m = 977.54 ft T: -8.45 C 700-500 lapse rate: 5.91 C/km ThetaE index: 0.43 C Layer 700.0- 665.0 mb Conv cond level (CCL): 889.70 mb = 971.36 m = 3186.85 ft Mean mixing ratio: 1.61 g/kg Conv temperature: -4.27 C = 24.31 F Cap Strength: 8.77 C Lifted Index: 13.87 C Risk: None Lifted Index @300 mb: 20.99 C Lifted Index @700 mb: 6.68 C Showalter Index: 12.41 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.80 C K Index: 1.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.23 J/kg Max Up Vert Vel: 4.74 m/s Conv Inhibition (B-): 43280.33 J/kg Cap Strength: 13.68 C Lift Cond Lev (LCL): 915.03 mb = 757.53 m = 2485.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 7 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 ---------------------------------------------------------- 0 995 111 165 1 -0.3 1.0 | 91 7 -7.5 0.1 1 925 675 255 13 12.6 3.4 | 245 6 5.3 2.5 2 850 1319 235 11 9.0 6.3 | 198 6 1.8 5.5 3 700 2768 235 9 7.4 5.2 | 182 4 0.1 4.3 4 500 5170 220 11 7.1 8.4 | 179 8 -0.2 7.6 5 400 6680 275 3 3.0 -0.3 | 75 4 -4.2 -1.1 6 300 8520 355 5 0.4 -5.0 | 49 9 -6.8 -5.8 7 298 8562 355 5 0.4 -5.0 | 49 9 -6.8 -5.8 8 250 9660 315 5 3.5 -3.5 | 40 6 -3.7 -4.4 9 200 11090 290 5 4.7 -1.7 | 45 4 -2.5 -2.5 10 150 12930 305 7 5.7 -4.0 | 17 5 -1.5 -4.9 11 100 15500 300 5 4.3 -2.5 | 41 4 -2.9 -3.3 12 70 17730 245 7 6.3 3.0 | 157 2 -0.9 2.1 13 50 19810 260 11 10.8 1.9 | 253 4 3.6 1.1 Wind Parameters Mean winds (0-6000m): 233.4 at 9.7 knts Storm direction: 263.4 at 7.3 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 91.2 deg Storm rel helicity (0-3000m) pos: 25.9 neg: -8.3 tot: 17.6 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.95 Bulk Shear: 2.27 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 ------------------------------------------------------------------------------- 500 251 6 134 2| 11.8 0.0 11.8| 22.6 0.0 22.6 45.3 0.98| 14.7 14.4 1000 249 9 212 3| 5.9 0.3 6.3| 25.9 -4.4 21.5 21.5 0.68| 10.0 6.8 1500 245 10 207 4| 3.9 0.7 4.7| 25.9 -6.9 19.0 12.7 0.55| 7.3 4.0 2000 242 10 203 4| 3.0 0.6 3.6| 25.9 -7.5 18.4 9.2 0.51| 5.7 2.9 2500 241 10 199 4| 2.4 0.6 3.0| 25.9 -8.1 17.8 7.1 0.47| 4.7 2.2 3000 240 10 197 4| 2.0 0.5 2.5| 25.9 -8.3 17.6 5.9 0.45| 4.0 1.8 4000 237 10 192 5| 1.5 0.5 2.0| 25.9 -8.5 17.4 4.4 0.42| 3.2 1.3 5000 234 10 189 5| 1.2 0.5 1.7| 25.9 -8.9 16.9 3.4 0.39| 2.7 1.0 6000 233 10 186 5| 0.8 0.4 1.3| 26.3 -10.3 16.0 2.7 0.24| 2.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251030.12.gif