UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 27 NOV 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 1007 5 -0.9 -3.6 82 2.7 -1.9 225 15 271.7 272.2 270.9 279.6 2.90 1 1000 61 -1.1 -5.2 74 4.1 -2.6 225 17 272.0 272.5 270.6 279.1 2.59 2 925 675 -6.9 -9.1 84 2.2 -7.6 230 23 272.3 272.6 269.9 278.0 2.07 3 922 700 -7.1 -9.3 84 2.2 -7.8 231 23 272.3 272.6 269.9 278.0 2.05 4 892 959 -7.7 -9.6 86 1.9 -8.3 236 24 274.3 274.6 271.1 280.0 2.07 5 886 1012 -8.1 -9.9 87 1.8 -8.7 238 24 274.4 274.7 271.2 280.1 2.03 6 850 1334 -10.5 -16.5 61 6.0 -11.9 245 25 275.1 275.4 270.4 278.7 1.24 7 807 1730 -13.9 -21.9 51 8.0 -15.4 249 23 275.6 275.8 269.9 278.1 0.82 8 802 1777 -13.3 -21.3 51 8.0 -14.9 249 23 276.8 276.9 270.7 279.3 0.87 9 785 1939 -13.5 -19.5 61 6.0 -14.8 251 22 278.3 278.4 271.9 281.3 1.04 10 700 2797 -20.5 -24.5 70 4.0 -21.1 260 17 279.8 279.9 272.3 282.0 0.75 11 605 3850 -28.7 -32.0 73 3.3 -29.0 271 20 282.2 282.3 273.2 283.6 0.43 12 596 3956 -29.3 -32.5 74 3.2 -29.6 272 21 282.7 282.8 273.5 284.1 0.42 13 500 5180 -37.9 -41.4 70 3.5 -38.1 285 25 286.8 286.9 275.3 287.5 0.20 14 400 6610 -47.9 -52.3 60 4.4 -48.0 300 29 292.7 292.7 278.2 293.0 0.08 15 324 7969 -58.1 -63.0 53 4.9 -58.2 296.8 296.8 280.0 296.9 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5119.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 70.73 % Est. max temperature: 2.40 C = 36.31 F Sfc-Lift cond lev (LCL): 965.26 mb = 339.47 m = 1113.73 ft T: -3.73 C 700-500 lapse rate: 7.30 C/km ThetaE index: 2.00 C Layer 850.0- 802.0 mb Conv cond level (CCL): 882.06 mb = 1046.49 m = 3433.31 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 1.87 C = 35.36 F Cap Strength: 4.58 C Lifted Index: 7.14 C Risk: None Lifted Index @700 mb: 3.21 C Showalter Index: 7.02 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 21.40 C K Index: 6.90 Risk: None Sweat Index: 180.35 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.63 J/kg Max Up Vert Vel: 2.29 m/s Conv Inhibition (B-): 1831.27 J/kg Cap Strength: 7.05 C Lift Cond Lev (LCL): 912.72 mb = 779.62 m = 2557.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 16 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 1007 5 225 15 10.6 10.6 | 165 18 -4.5 17.2 1 1000 61 225 17 12.0 12.0 | 171 19 -3.0 18.6 2 925 675 230 23 17.6 14.8 | 187 22 2.5 21.4 3 850 1334 245 25 22.7 10.6 | 204 19 7.6 17.2 4 700 2797 260 17 16.7 3.0 | 190 10 1.7 9.6 5 500 5180 285 25 24.1 -6.5 | 269 9 9.1 0.1 6 400 6610 300 29 25.1 -14.5 | 308 13 10.0 -7.9 Wind Parameters Mean winds (0-6000m): 263.7 at 21.9 knts Storm direction: 293.7 at 16.5 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 29.8 deg Storm rel helicity (0-3000m) pos: 72.0 neg: -9.6 tot: 62.4 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 23.11 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 ------------------------------------------------------------------------------- 500 227 19 176 20| 6.6 0.0 6.6| 29.5 0.0 29.5 59.0 0.89| 6.7 5.9 1000 230 21 183 20| 5.1 0.0 5.1| 54.3 0.0 54.3 54.3 0.90| 5.9 5.3 1500 235 22 189 20| 4.0 0.0 4.0| 69.9 -0.2 69.6 46.4 0.84| 5.4 4.5 2000 238 22 192 19| 2.7 0.0 2.7| 69.9 -2.7 67.2 33.6 0.66| 4.9 3.3 2500 241 22 193 18| 2.0 0.0 2.0| 69.9 -6.8 63.1 25.2 0.51| 4.6 2.3 3000 244 21 194 16| 1.8 0.0 1.8| 72.0 -9.6 62.4 20.8 0.44| 4.3 1.9 4000 249 21 197 15| 2.0 0.0 2.0| 82.9 -9.6 73.3 18.3 0.53| 3.9 2.1 5000 257 21 205 13| 2.1 0.0 2.1| 94.5 -9.6 84.9 17.0 0.60| 3.7 2.2 6000 264 22 217 11| 2.2 0.0 2.2|107.7 -9.6 98.1 16.3 0.64| 3.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251127.00.gif