UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113000.upa.cvt Date: 0000Z 30 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 30 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 1018 111 -41.1 -44.9 67 3.8 -41.2 235 1 230.9 230.9 230.8 231.1 0.07 1 1010 164 -40.5 -44.8 63 4.3 -40.6 259 2 232.0 232.0 231.9 232.2 0.07 2 1008 178 -38.5 -43.1 62 4.6 -38.7 265 2 234.1 234.1 234.0 234.3 0.08 3 1007 185 -37.3 -41.9 62 4.6 -37.4 268 2 235.4 235.4 235.3 235.6 0.10 4 1000 233 -36.9 -41.5 62 4.6 -37.1 290 3 236.2 236.3 236.1 236.5 0.10 5 991 296 -35.5 -39.9 64 4.4 -35.7 302 3 238.3 238.3 238.1 238.6 0.12 6 957 544 -27.1 -31.6 66 4.5 -27.5 346 5 249.2 249.2 248.6 249.9 0.28 7 932 736 -24.3 -28.1 71 3.8 -24.7 20 7 253.9 254.0 253.0 255.0 0.41 8 925 791 -24.1 -27.7 72 3.6 -24.5 30 7 254.7 254.7 253.7 255.8 0.42 9 850 1406 -25.5 -28.8 74 3.3 -25.8 5 5 259.4 259.5 257.6 260.6 0.42 10 810 1755 -26.3 -29.4 75 3.1 -26.6 37 4 262.2 262.3 259.8 263.4 0.41 11 700 2798 -31.3 -34.6 73 3.3 -31.6 135 1 267.8 267.9 263.7 268.7 0.29 12 655 3266 -33.1 -37.1 67 4.0 -33.4 160 3 270.9 271.0 265.8 271.7 0.24 13 554 4424 -40.5 -45.5 59 5.0 -40.7 222 9 275.5 275.5 268.5 275.8 0.12 14 526 4777 -40.9 -46.9 52 6.0 -41.1 241 11 279.1 279.1 270.8 279.4 0.11 15 500 5120 -43.1 -49.1 52 6.0 -43.3 260 13 280.5 280.5 271.6 280.8 0.09 16 400 6600 -49.9 -54.9 56 5.0 -50.0 225 21 290.1 290.1 276.8 290.3 0.06 17 375 7022 -51.9 -56.9 55 5.0 -52.0 218 21 292.9 292.9 278.2 293.1 0.05 18 300 8440 -61.9 -66.9 51 5.0 -61.9 195 19 298.1 298.1 280.5 298.1 0.02 19 279 8885 -65.1 -70.1 50 5.0 -65.1 190 17 299.7 299.7 281.2 299.8 0.01 20 257 9383 -67.3 -72.3 49 5.0 -67.3 185 15 303.6 303.6 282.8 303.6 0.01 21 255 9430 -67.3 -72.3 49 5.0 -67.3 185 14 304.3 304.3 283.1 304.3 0.01 22 250 9550 -65.7 -70.7 50 5.0 -65.7 185 13 308.4 308.4 284.7 308.4 0.01 23 244 9698 -63.5 -69.5 44 6.0 -63.6 184 13 313.8 313.8 286.7 313.9 0.01 24 200 10930 -59.1 -64.1 52 5.0 -59.2 175 13 339.2 339.2 294.1 339.3 0.03 25 179 11623 -58.3 -64.3 46 6.0 -58.4 177 14 351.4 351.4 297.0 351.6 0.04 26 150 12730 -58.7 -64.7 46 6.0 -58.8 180 15 368.9 369.0 300.4 369.1 0.04 27 100 15260 -61.1 -69.1 34 8.0 -61.3 165 19 409.7 409.7 306.5 409.9 0.03 28 92 15780 -59.9 -67.9 34 8.0 -60.1 169 19 421.9 421.9 308.0 422.2 0.04 29 70 17480 -61.9 -70.9 29 9.0 -62.1 180 17 452.0 452.0 311.1 452.2 0.04 30 53 19188 -65.1 -75.1 24 10.0 -65.3 482.0 482.0 313.6 482.1 0.03 TRP 257 9383 -67.3 -72.3 49 5.0 -67.3 185 15 303.6 303.6 282.8 303.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4887.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 66.87 % Est. max temperature: -13.59 C = 7.55 F Sfc-Lift cond lev (LCL): 952.13 mb = 580.74 m = 1905.31 ft T: -26.56 C 700-500 lapse rate: 5.08 C/km ThetaE index: 0.00 C Layer 1018.0- 0.0 mb Conv cond level (CCL): 1010.00 mb = 164.35 m = 539.20 ft Mean mixing ratio: 0.24 g/kg Conv temperature: -32.16 C = -25.89 F Cap Strength: 27.87 C Lifted Index: 28.60 C Risk: None Lifted Index @300 mb: 37.16 C Lifted Index @700 mb: 20.15 C Showalter Index: 16.35 C Risk: None Total Totals Index: 31.90 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 14.30 C K Index: -14.50 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 91.91 J/kg Max Up Vert Vel: 13.56 m/s Conv Inhibition (B-): 41882.38 J/kg Cap Strength: 28.48 C Lift Cond Lev (LCL): 924.68 mb = 793.52 m = 2603.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 5 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 1018 111 235 1 0.8 0.6 | 127 5 -4.0 3.0 1 1000 233 290 3 2.8 -1.0 | 125 2 -2.0 1.4 2 925 791 30 7 -3.5 -6.1 | 66 9 -8.3 -3.7 3 850 1406 5 5 -0.4 -5.0 | 64 6 -5.2 -2.6 4 700 2798 135 1 -0.7 0.7 | 119 6 -5.5 3.1 5 500 5120 260 13 12.8 2.3 | 240 9 8.0 4.7 6 400 6600 225 21 14.8 14.8 | 210 20 10.0 17.3 7 300 8440 195 19 4.9 18.4 | 180 21 0.1 20.8 8 257 9383 185 15 1.3 14.9 | 169 18 -3.5 17.3 9 250 9550 185 13 1.1 13.0 | 167 16 -3.7 15.4 10 200 10930 175 13 -1.1 13.0 | 159 16 -5.9 15.4 11 150 12730 180 15 0.0 15.0 | 165 18 -4.8 17.4 12 100 15260 165 19 -4.9 18.4 | 155 23 -9.7 20.8 13 70 17480 180 17 0.0 17.0 | 166 20 -4.8 19.4 Wind Parameters Mean winds (0-6000m): 266.6 at 7.2 knts Storm direction: 296.6 at 5.4 knts Shear (0-3000m) pos: 0.5 neg: 0.0 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): 1.2 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -2.9 tot: 15.9 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 17.49 Bulk Shear: 5.25 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 ------------------------------------------------------------------------------- 500 328 4 75 3| 6.5 0.0 6.5| 0.4 -1.9 -1.6 -3.1 -0.34| 8.8 -3.0 1000 11 5 66 6| 3.5 0.0 3.5| 3.4 -2.8 0.6 0.6 -0.13| 7.1 -0.9 1500 12 5 66 6| 1.8 0.0 1.8| 5.8 -2.9 3.0 2.0 -0.02| 5.8 -0.1 2000 17 5 71 7| 1.0 0.0 1.0| 12.0 -2.9 9.2 4.6 0.14| 5.2 0.7 2500 16 4 74 6| 0.5 0.0 0.5| 16.2 -2.9 13.4 5.3 0.22| 4.7 1.0 3000 16 4 78 6| 0.5 0.0 0.5| 18.7 -2.9 15.9 5.3 0.25| 4.3 1.1 4000 4 4 71 5| 0.9 0.0 0.9| 34.9 -2.9 32.0 8.0 0.41| 4.1 1.7 5000 290 5 209 1| 1.2 0.0 1.2| 62.1 -2.9 59.3 11.9 0.56| 4.4 2.5 6000 267 7 220 4| 1.0 0.7 1.7| 62.1 -17.8 44.4 7.4 0.39| 4.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251130.00.gif