UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 8 DEC 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 1007 113 -32.1 -35.4 72 3.3 -32.3 220 1 240.6 240.6 240.4 241.1 0.19 1 1000 162 -31.5 -35.6 67 4.1 -31.7 230 3 241.6 241.7 241.4 242.1 0.18 2 980 303 -32.1 -36.2 67 4.1 -32.3 243 5 242.4 242.5 242.2 242.9 0.18 3 951 514 -29.9 -33.9 68 4.0 -30.2 262 7 246.8 246.8 246.3 247.4 0.23 4 946 551 -27.9 -31.9 69 4.0 -28.2 266 7 249.2 249.2 248.6 249.9 0.28 5 925 711 -27.3 -30.9 71 3.6 -27.6 280 9 251.4 251.4 250.6 252.3 0.31 6 877 1102 -23.9 -27.0 76 3.1 -24.2 302 8 258.8 258.9 257.2 260.1 0.48 7 850 1332 -24.7 -28.1 73 3.4 -25.1 315 7 260.3 260.3 258.3 261.5 0.44 8 700 2733 -29.3 -32.7 72 3.4 -29.6 305 19 270.0 270.1 265.4 271.1 0.35 9 682 2918 -30.3 -33.7 72 3.4 -30.6 305 19 270.9 271.0 266.0 271.9 0.33 10 516 4848 -42.9 -46.5 68 3.6 -43.0 305 17 278.2 278.2 270.3 278.6 0.11 11 500 5060 -44.1 -47.6 68 3.5 -44.2 305 17 279.3 279.3 270.9 279.6 0.10 12 410 6370 -51.3 -54.6 68 3.3 -51.4 314 8 286.3 286.3 274.8 286.5 0.06 13 400 6530 -52.7 -56.2 66 3.5 -52.8 315 7 286.5 286.5 274.9 286.7 0.05 14 383 6810 -54.9 -58.5 64 3.6 -54.9 332 7 287.2 287.2 275.3 287.3 0.04 15 300 8350 -62.5 -66.0 63 3.5 -62.5 70 7 297.2 297.2 280.1 297.3 0.02 16 299 8371 -62.7 -66.3 62 3.6 -62.7 70 7 297.2 297.2 280.1 297.3 0.02 17 289 8579 -63.1 -66.7 62 3.6 -63.1 87 7 299.6 299.6 281.2 299.6 0.02 18 284 8687 -61.3 -64.7 64 3.4 -61.3 96 6 303.7 303.7 282.9 303.7 0.02 19 250 9480 -59.1 -62.8 62 3.7 -59.2 160 5 318.2 318.2 288.2 318.3 0.03 20 226 10116 -57.5 -61.3 62 3.8 -57.6 165 8 330.0 330.0 291.7 330.1 0.04 21 200 10890 -56.5 -60.6 60 4.1 -56.6 170 11 343.3 343.3 295.1 343.5 0.05 22 188 11284 -55.5 -59.9 58 4.4 -55.6 175 11 351.0 351.0 296.9 351.3 0.06 23 150 12720 -56.9 -62.9 47 6.0 -57.1 195 11 372.0 372.1 300.9 372.3 0.05 24 125 13867 -58.3 -65.3 40 7.0 -58.5 202 16 389.4 389.4 303.8 389.6 0.05 25 111 14617 -55.1 -64.1 32 9.0 -55.4 206 20 408.9 408.9 306.4 409.2 0.06 26 100 15280 -56.1 -66.1 27 10.0 -56.5 210 23 419.3 419.3 307.7 419.6 0.05 27 70 17530 -59.5 -71.5 20 12.0 -59.9 200 31 457.1 457.1 311.5 457.3 0.04 28 65 17993 -61.3 -74.3 16 13.0 -61.6 202 34 463.0 463.0 312.0 463.1 0.02 29 55 19035 -59.7 -73.7 15 14.0 -60.2 207 40 489.3 489.3 314.2 489.5 0.03 30 50 19630 -61.1 -75.1 14 14.0 -61.6 210 44 499.5 499.5 314.9 499.7 0.03 31 36 21653 -62.9 -77.9 12 15.0 -63.4 213 54 544.0 544.1 317.8 544.2 0.03 32 30 22780 -60.1 -76.1 11 16.0 -60.9 215 60 580.8 580.8 319.7 581.1 0.04 33 27 23445 -57.5 -73.5 11 16.0 -58.7 212 63 605.9 605.9 320.9 606.4 0.07 34 24 24185 -61.3 -77.3 10 16.0 -62.2 209 67 615.6 615.6 321.3 615.9 0.04 35 20 25320 -61.5 -78.5 9 17.0 -62.5 205 73 647.9 647.9 322.6 648.3 0.04 36 16 26704 -61.3 -79.3 7 18.0 -62.6 691.3 691.3 324.1 691.7 0.05 37 14 27546 -54.3 -73.3 8 19.0 -57.2 741.9 742.0 325.7 743.2 0.13 38 10 29720 -50.9 -72.9 6 22.0 -55.8 829.5 829.6 328.0 831.6 0.20 TRP 299 8371 -62.7 -66.3 62 3.6 -62.7 70 7 297.2 297.2 280.1 297.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 4898.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 70.96 % Est. max temperature: -12.75 C = 9.05 F Sfc-Lift cond lev (LCL): 951.91 mb = 507.24 m = 1664.14 ft T: -29.97 C 700-500 lapse rate: 6.36 C/km Conv cond level (CCL): 571.93 mb = 4136.33 m = 13570.46 ft Mean mixing ratio: 0.25 g/kg Conv temperature: 3.00 C = 37.40 F Cap Strength: 25.46 C Lifted Index: 26.08 C Risk: None Lifted Index @300 mb: 35.27 C Lifted Index @700 mb: 20.54 C Showalter Index: 14.62 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.00 C K Index: -12.10 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.11 J/kg Max Up Vert Vel: 10.69 m/s Conv Inhibition (B-): 65508.55 J/kg Cap Strength: 25.70 C Lift Cond Lev (LCL): 899.73 mb = 914.05 m = 2998.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 10 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 113 220 1 0.6 0.8 | 159 11 -3.9 10.1 1 1000 162 230 3 2.3 1.9 | 169 11 -2.2 11.3 2 925 711 280 9 8.9 -1.6 | 209 9 4.3 7.8 3 850 1332 315 7 4.9 -4.9 | 186 4 0.4 4.4 4 700 2733 305 19 15.6 -10.9 | 278 11 11.0 -1.6 5 500 5060 305 17 13.9 -9.8 | 273 9 9.4 -0.4 6 400 6530 315 7 4.9 -4.9 | 186 4 0.4 4.4 7 300 8350 70 7 -6.6 -2.4 | 122 13 -11.1 6.9 8 299 8371 70 7 -6.6 -2.4 | 122 13 -11.1 6.9 9 250 9480 160 5 -1.7 4.7 | 156 15 -6.2 14.0 10 200 10890 170 11 -1.9 10.8 | 162 21 -6.4 20.2 11 150 12720 195 11 2.8 10.6 | 175 20 -1.7 20.0 12 100 15280 210 23 11.5 19.9 | 193 30 7.0 29.2 13 70 17530 200 31 10.6 29.1 | 189 39 6.1 38.5 14 50 19630 210 44 22.0 38.1 | 200 51 17.5 47.4 15 30 22780 215 60 34.4 49.1 | 207 66 29.9 58.5 16 20 25320 205 73 30.9 66.2 | 199 80 26.3 75.5 Wind Parameters Mean winds (0-6000m): 304.2 at 13.8 knts Storm direction: 334.2 at 10.4 knts Shear (0-3000m) pos: 1.6 neg: 1.6 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 118.3 deg Storm rel helicity (0-3000m) pos: 36.9 neg: -3.5 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.67 Bulk Shear: 15.57 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 ------------------------------------------------------------------------------- 500 259 5 183 10| 7.5 0.0 7.5| 22.8 0.0 22.8 45.7 0.95| 8.6 8.1 1000 279 7 194 9| 3.9 0.0 3.9| 26.4 -1.7 24.7 24.7 0.62| 7.0 4.3 1500 290 7 197 7| 3.3 0.0 3.3| 28.7 -3.2 25.5 17.0 0.54| 6.0 3.2 2000 298 8 206 6| 2.4 1.1 3.6| 32.8 -3.2 29.6 14.8 0.59| 5.6 3.3 2500 300 10 221 6| 2.0 1.8 3.8| 36.3 -3.2 33.2 13.3 0.56| 5.4 3.0 3000 302 11 235 6| 1.6 1.6 3.3| 36.9 -3.5 33.4 11.1 0.53| 4.7 2.5 4000 303 13 250 7| 1.2 1.1 2.3| 36.9 -4.7 32.2 8.1 0.50| 3.6 1.8 5000 303 14 257 7| 0.9 0.8 1.7| 36.9 -6.0 30.9 6.2 0.47| 3.0 1.4 6000 304 14 257 7| 0.3 0.7 1.0| 36.9 -12.3 24.6 4.1 0.26| 3.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251208.00.gif