UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110700.upa.cvt Date: 0000Z 7 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 7 NOV 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 ------------------------------------------------------------------------------- SFC 1004 108 -13.7 -16.4 80 2.7 -14.2 210 3 259.2 259.3 258.7 262.0 1.06 1 1000 138 -13.7 -17.5 73 3.8 -14.4 215 5 259.5 259.6 258.8 262.1 0.97 2 925 726 -17.7 -20.8 77 3.1 -18.2 255 29 261.2 261.3 259.8 263.4 0.79 3 912 832 -18.3 -21.0 79 2.7 -18.7 255 27 261.7 261.8 260.1 263.8 0.78 4 891 1007 -14.3 -16.3 85 2.0 -14.7 255 25 267.5 267.7 265.3 270.9 1.20 5 888 1033 -13.9 -15.9 85 2.0 -14.3 255 24 268.2 268.4 265.8 271.7 1.24 6 870 1189 -12.5 -18.5 61 6.0 -13.7 255 22 271.2 271.4 267.4 274.1 1.02 7 850 1366 -13.7 -23.7 43 10.0 -15.4 255 19 271.8 271.9 267.2 273.7 0.66 8 843 1429 -14.1 -26.1 35 12.0 -16.0 256 19 272.0 272.1 267.1 273.6 0.54 9 711 2711 -18.1 -34.1 23 16.0 -20.1 269 25 281.2 281.2 272.4 282.1 0.30 10 700 2827 -18.9 -36.9 19 18.0 -21.0 270 25 281.6 281.6 272.5 282.3 0.23 11 647 3407 -23.1 -38.1 24 15.0 -24.6 274 29 283.2 283.2 273.4 283.9 0.22 12 560 4453 -27.9 -47.9 13 20.0 -29.3 280 38 289.5 289.5 276.6 289.8 0.09 13 524 4928 -29.7 -39.7 37 10.0 -30.6 283 41 292.9 292.9 278.4 293.7 0.23 14 500 5260 -32.5 -44.5 29 12.0 -33.3 285 44 293.4 293.4 278.6 293.9 0.15 15 450 5996 -36.3 -43.3 48 7.0 -36.8 290 47 297.6 297.6 280.6 298.3 0.18 16 400 6800 -42.9 -47.9 58 5.0 -43.1 295 50 299.2 299.3 281.2 299.7 0.13 17 371 7304 -46.9 -51.7 58 4.8 -47.0 295 52 300.4 300.4 281.7 300.7 0.09 18 331 8050 -52.9 -57.5 57 4.6 -53.0 295 54 302.2 302.2 282.3 302.3 0.05 19 300 8680 -56.7 -61.1 57 4.4 -56.8 295 56 305.4 305.4 283.6 305.6 0.03 20 250 9810 -65.3 -69.5 56 4.2 -65.3 300 60 309.0 309.0 284.9 309.0 0.01 21 249 9834 -65.4 -69.6 56 4.2 -65.4 300 60 309.2 309.2 285.0 309.2 0.01 22 232 10264 -67.5 -71.9 53 4.4 -67.5 300 60 312.3 312.3 286.2 312.4 0.01 23 226 10422 -66.1 -70.3 56 4.2 -66.1 300 57 316.8 316.8 287.7 316.9 0.01 24 217 10669 -66.5 -70.8 55 4.3 -66.5 300 53 319.9 319.9 288.7 319.9 0.01 25 200 11170 -61.5 -66.0 55 4.5 -61.6 300 44 335.4 335.4 293.2 335.5 0.03 26 154 12795 -58.3 -63.3 53 5.0 -58.4 291 36 366.9 366.9 300.1 367.1 0.05 27 150 12960 -59.1 -64.1 52 5.0 -59.2 290 35 368.3 368.3 300.3 368.5 0.05 28 100 15490 -59.7 -68.7 30 9.0 -59.9 285 29 412.4 412.4 306.8 412.6 0.04 29 70 17710 -62.1 -73.1 22 11.0 -62.4 270 29 451.5 451.5 311.0 451.7 0.03 30 61 18555 -63.9 -74.9 21 11.0 -64.1 272 31 465.7 465.7 312.3 465.8 0.02 31 50 19770 -64.3 -76.3 18 12.0 -64.6 275 35 492.0 492.0 314.4 492.1 0.02 32 41 20985 -64.1 -78.1 13 14.0 -64.5 521.2 521.2 316.4 521.3 0.02 33 32 22515 -60.5 -75.5 12 15.0 -61.2 569.1 569.1 319.1 569.4 0.04 TRP 232 10264 -67.5 -71.9 53 4.4 -67.5 300 60 312.3 312.3 286.2 312.4 0.01 WND 249 9834 -65.4 -69.6 56 4.2 -65.4 300 60 309.2 309.2 285.0 309.2 0.01 Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 36.41 % Est. max temperature: -1.16 C = 29.92 F Sfc-Lift cond lev (LCL): 961.02 mb = 437.89 m = 1436.64 ft T: -15.74 C 700-500 lapse rate: 5.59 C/km ThetaE index: 0.54 C Layer 850.0- 711.0 mb Conv cond level (CCL): 627.97 mb = 3623.66 m = 11888.50 ft Mean mixing ratio: 0.87 g/kg Conv temperature: 11.68 C = 53.02 F Cap Strength: 24.95 C Lifted Index: 25.02 C Risk: None Lifted Index @300 mb: 30.06 C Lifted Index @700 mb: 17.41 C Showalter Index: 16.38 C Risk: None Total Totals Index: 27.60 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 8.80 C K Index: -22.90 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.69 J/kg Max Up Vert Vel: 4.17 m/s Conv Inhibition (B-): 47732.90 J/kg Cap Strength: 25.02 C Lift Cond Lev (LCL): 903.47 mb = 902.59 m = 2961.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 23 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 1004 108 210 3 1.5 2.6 | 132 23 -17.1 15.6 1 1000 138 215 5 2.9 4.1 | 137 23 -15.7 17.1 2 925 726 255 29 28.0 7.5 | 205 23 9.5 20.5 3 850 1366 255 19 18.4 4.9 | 179 18 -0.2 17.9 4 700 2827 270 25 25.0 -0.0 | 206 14 6.4 13.0 5 500 5260 285 44 42.5 -11.4 | 266 24 23.9 1.6 6 400 6800 295 50 45.3 -21.1 | 287 28 26.8 -8.1 7 300 8680 295 56 50.8 -23.7 | 288 34 32.2 -10.7 8 250 9810 300 60 52.0 -30.0 | 297 37 33.4 -17.0 9 249 9834 300 60 52.0 -30.0 | 297 37 33.4 -17.0 10 232 10264 300 60 52.0 -30.0 | 297 37 33.4 -17.0 11 200 11170 300 44 38.1 -22.0 | 295 22 19.5 -9.0 12 150 12960 290 35 32.9 -12.0 | 266 14 14.3 1.0 13 100 15490 285 29 28.0 -7.5 | 240 11 9.5 5.5 14 70 17710 270 29 29.0 -0.0 | 219 17 10.4 13.0 15 50 19770 275 35 34.9 -3.1 | 239 19 16.3 9.9 Wind Parameters Mean winds (0-6000m): 275.0 at 30.2 knts Storm direction: 305.0 at 22.6 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 82.9 deg Storm rel helicity (0-3000m) pos: 211.2 neg: -39.3 tot: 171.9 m^2/s^2 ave: 57.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 53.84 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 ------------------------------------------------------------------------------- 500 241 14 162 21| 22.5 0.0 22.5|140.2 0.0 140.2 280.5 1.00| 23.7 23.7 1000 252 20 181 19| 10.8 0.0 10.8|170.8 -21.8 149.0 149.0 0.72| 17.3 12.4 1500 253 20 182 19| 6.2 0.0 6.2|175.3 -39.3 136.0 90.7 0.56| 13.2 7.4 2000 255 20 183 18| 5.2 0.0 5.2|186.5 -39.3 147.2 73.6 0.58| 10.7 6.2 2500 258 21 186 18| 4.7 0.0 4.7|197.5 -39.3 158.2 63.3 0.60| 9.1 5.5 3000 260 22 189 17| 4.4 0.0 4.4|211.2 -39.3 171.9 57.3 0.63| 8.2 5.2 4000 265 24 199 16| 4.4 0.0 4.4|245.0 -39.3 205.7 51.4 0.67| 7.3 4.9 5000 270 27 214 15| 4.3 0.0 4.3|284.4 -39.3 245.0 49.0 0.69| 6.7 4.7 6000 275 30 228 16| 4.0 0.0 4.0|324.8 -39.3 285.5 47.6 0.71| 6.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251107.00.gif