UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 11 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 4 8.4 7.6 95 0.8 8.0 180 17 281.1 282.2 280.8 298.9 6.51 1 1000 53 8.2 6.8 91 1.4 7.5 195 19 281.4 282.4 280.6 298.4 6.20 2 925 692 4.8 3.1 89 1.7 4.0 210 31 284.2 285.1 280.7 298.7 5.17 3 850 1377 0.6 -1.1 88 1.7 -0.2 200 31 286.8 287.5 280.7 298.6 4.15 4 700 2916 -6.9 -8.8 86 1.9 -7.6 205 25 294.8 295.3 282.7 303.3 2.81 5 500 5470 -21.1 -23.2 83 2.1 -21.5 210 50 307.3 307.5 285.8 311.2 1.18 6 498 5500 -21.3 -23.4 83 2.1 -21.8 210 50 307.4 307.6 285.8 311.3 1.16 7 423 6684 -29.7 -32.3 78 2.6 -30.0 214 57 311.4 311.5 286.5 313.4 0.60 8 400 7080 -33.3 -35.8 78 2.5 -33.6 215 60 311.7 311.8 286.5 313.3 0.45 9 300 9030 -50.1 -53.0 71 2.9 -50.2 210 68 314.7 314.8 287.1 315.1 0.09 10 265 9825 -57.1 -60.3 67 3.1 -57.2 210 69 315.8 315.8 287.4 316.0 0.04 11 256 10042 -59.1 -62.3 66 3.2 -59.2 215 66 316.1 316.1 287.5 316.2 0.03 12 250 10190 -58.5 -61.6 67 3.1 -58.6 215 64 319.1 319.1 288.5 319.2 0.04 13 200 11620 -52.1 -55.6 66 3.5 -52.2 215 35 350.3 350.3 296.8 350.7 0.10 14 188 12021 -51.5 -55.3 64 3.8 -51.7 217 32 357.5 357.5 298.3 358.0 0.11 15 150 13480 -53.1 -58.1 54 5.0 -53.3 225 21 378.6 378.6 302.1 379.0 0.10 16 100 16060 -56.5 -63.5 41 7.0 -56.8 260 9 418.6 418.6 307.6 418.9 0.07 17 70 18310 -59.5 -67.5 35 8.0 -59.8 310 7 457.1 457.1 311.5 457.4 0.06 18 50 20400 -62.5 -70.5 33 8.0 -62.8 15 7 496.2 496.2 314.7 496.6 0.06 19 49 20524 -62.7 -70.7 33 8.0 -63.0 14 7 498.6 498.6 314.9 499.0 0.06 20 34 22772 -62.3 -70.3 33 8.0 -62.7 352 9 554.6 554.6 318.4 555.2 0.09 21 30 23540 -64.1 -73.1 28 9.0 -64.5 345 9 569.9 569.9 319.2 570.4 0.06 22 24 24895 -67.7 -75.7 31 8.0 -68.0 597.0 597.0 320.5 597.4 0.05 TRP 256 10042 -59.1 -62.3 66 3.2 -59.2 215 66 316.1 316.1 287.5 316.2 0.03 WND 265 9825 -57.1 -60.3 67 3.1 -57.2 210 69 315.8 315.8 287.4 316.0 0.04 Sounding variables and indices 1000-500 mb thick: 5417.00 m Freezing level: 838.00 mb = 1500.12 m = 4921.59 ft Wetbulb zero: 852.83 mb = 1350.05 m = 4429.24 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 86.54 % Est. max temperature: 13.90 C = 57.03 F Sfc-Lift cond lev (LCL): 993.88 mb = 103.28 m = 338.86 ft T: 7.93 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.54 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 909.47 mb = 829.14 m = 2720.25 ft Mean mixing ratio: 5.59 g/kg Conv temperature: 12.07 C = 53.73 F Cap Strength: 3.33 C Lifted Index: 8.88 C Risk: None Lifted Index @300 mb: 11.52 C Lifted Index @700 mb: 3.33 C Showalter Index: 8.82 C Risk: None Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.00 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 158.71 Risk: None Energy Index: 2.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.54 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 37712.53 J/kg Cap Strength: 8.77 C Lift Cond Lev (LCL): 932.89 mb = 622.42 m = 2042.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 26 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 4 180 17 0.0 17.0 | 98 22 -21.5 2.9 1 1000 53 195 19 4.9 18.4 | 104 17 -16.5 4.3 2 925 692 210 31 15.5 26.8 | 155 14 -6.0 12.8 3 850 1377 200 31 10.6 29.1 | 144 19 -10.9 15.0 4 700 2916 205 25 10.6 22.7 | 128 14 -10.9 8.6 5 500 5470 210 50 25.0 43.3 | 187 29 3.5 29.2 6 400 7080 215 60 34.4 49.1 | 200 37 13.0 35.1 7 300 9030 210 68 34.0 58.9 | 196 47 12.5 44.8 8 265 9825 210 69 34.5 59.8 | 196 47 13.0 45.7 9 256 10042 215 66 37.9 54.1 | 202 43 16.4 40.0 10 250 10190 215 64 36.7 52.4 | 202 41 15.3 38.3 11 200 11620 215 35 20.1 28.7 | 175 15 -1.4 14.6 12 150 13480 225 21 14.8 14.8 | 97 7 -6.6 0.8 13 100 16060 260 9 8.9 1.6 | 45 18 -12.6 -12.5 14 70 18310 310 7 5.4 -4.5 | 41 25 -16.1 -18.6 15 50 20400 15 7 -1.8 -6.8 | 48 31 -23.3 -20.9 16 30 23540 345 9 2.3 -8.7 | 40 30 -19.1 -22.8 Wind Parameters Mean winds (0-6000m): 206.7 at 34.2 knts Storm direction: 236.7 at 25.7 knts Shear (0-3000m) pos: 2.1 neg: 0.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 34.0 deg Storm rel helicity (0-3000m) pos: 67.9 neg: -31.2 tot: 36.7 m^2/s^2 ave: 12.2 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.61 Bulk Shear: 18.85 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 ------------------------------------------------------------------------------- 500 200 23 118 15| 14.6 0.0 14.6| 49.4 0.0 49.4 98.9 0.79| 14.9 11.8 1000 205 27 134 14| 7.3 1.8 9.1| 64.9 -5.4 59.6 59.6 0.68| 10.8 7.3 1500 204 28 139 15| 4.9 1.4 6.2| 64.9 -14.3 50.6 33.7 0.51| 8.3 4.2 2000 203 28 139 16| 3.4 1.0 4.4| 64.9 -20.1 44.8 22.4 0.42| 6.8 2.8 2500 203 28 139 16| 2.6 0.8 3.4| 64.9 -26.2 38.7 15.5 0.34| 5.9 2.0 3000 203 28 138 16| 2.1 0.7 2.8| 67.9 -31.2 36.7 12.2 0.29| 5.3 1.6 4000 204 29 141 15| 2.6 0.5 3.2|104.2 -31.2 73.0 18.2 0.43| 5.3 2.3 5000 205 31 150 16| 3.1 0.4 3.5|142.7 -31.2 111.4 22.3 0.48| 5.2 2.5 6000 207 34 160 18| 3.3 0.3 3.6|182.9 -31.2 151.7 25.3 0.50| 5.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251011.00.gif