UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 27 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 112 -36.9 -40.5 69 3.6 -37.0 60 3 236.0 236.0 235.8 236.3 0.11 1 1001 133 -36.9 -41.9 60 5.0 -37.1 64 3 236.2 236.2 236.0 236.4 0.10 2 1000 140 -36.1 -41.1 60 5.0 -36.2 65 3 237.1 237.1 236.9 237.3 0.10 3 992 197 -28.5 -33.5 62 5.0 -28.8 70 4 245.2 245.2 244.9 245.8 0.23 4 978 299 -26.7 -31.7 63 5.0 -27.1 78 5 248.0 248.1 247.5 248.8 0.28 5 949 516 -27.7 -32.3 65 4.6 -28.0 95 7 249.2 249.2 248.5 249.9 0.27 6 925 701 -26.5 -30.9 66 4.4 -26.9 110 9 252.2 252.3 251.3 253.1 0.31 7 922 724 -26.5 -30.9 66 4.4 -26.9 112 9 252.4 252.5 251.5 253.3 0.32 8 880 1060 -28.3 -32.6 67 4.3 -28.6 148 8 254.0 254.0 252.7 254.8 0.28 9 855 1268 -26.1 -30.1 69 4.0 -26.5 170 7 258.4 258.4 256.6 259.4 0.37 10 850 1310 -26.1 -30.2 68 4.1 -26.5 175 7 258.8 258.9 257.0 259.8 0.37 11 776 1969 -25.9 -30.9 63 5.0 -26.4 161 12 265.8 265.9 262.4 266.9 0.37 12 700 2709 -30.1 -36.1 56 6.0 -30.6 145 17 269.2 269.2 264.6 269.9 0.25 13 674 2978 -30.9 -36.9 56 6.0 -31.3 145 19 271.2 271.2 266.0 271.9 0.24 14 630 3453 -34.9 -39.8 61 4.9 -35.2 145 22 271.9 271.9 266.4 272.5 0.19 15 514 4853 -41.7 -45.4 67 3.7 -41.9 145 32 280.0 280.0 271.4 280.4 0.13 16 500 5040 -43.5 -47.4 65 3.9 -43.6 145 33 280.0 280.0 271.4 280.4 0.11 17 405 6421 -53.9 -58.2 59 4.3 -53.9 150 25 283.9 283.9 273.5 284.1 0.04 18 400 6500 -54.1 -58.4 59 4.3 -54.2 150 25 284.7 284.7 273.9 284.8 0.04 19 328 7754 -60.9 -64.9 59 4.0 -60.9 150 17 291.9 292.0 277.7 292.0 0.02 20 313 8046 -59.7 -64.0 57 4.3 -59.7 153 16 297.6 297.6 280.3 297.6 0.02 21 300 8310 -60.9 -65.0 58 4.1 -60.9 155 15 299.5 299.5 281.1 299.6 0.02 22 271 8939 -61.3 -65.5 57 4.2 -61.3 175 8 307.8 307.8 284.5 307.8 0.02 23 250 9440 -59.1 -63.6 56 4.5 -59.2 190 3 318.2 318.2 288.2 318.3 0.03 24 204 10724 -56.9 -61.9 53 5.0 -57.0 204 5 340.7 340.7 294.6 340.9 0.05 25 200 10850 -57.1 -62.1 53 5.0 -57.2 205 5 342.3 342.4 294.9 342.5 0.04 26 150 12660 -59.7 -66.7 40 7.0 -59.8 210 9 367.2 367.2 300.1 367.4 0.03 27 100 15190 -61.1 -70.1 29 9.0 -61.3 195 21 409.7 409.7 306.5 409.8 0.03 28 70 17380 -63.5 -74.5 21 11.0 -63.7 190 19 448.5 448.5 310.7 448.7 0.02 29 52 19201 -65.3 -77.3 17 12.0 -65.5 181 30 484.1 484.1 313.8 484.3 0.02 30 50 19440 -65.3 -77.3 17 12.0 -65.5 180 31 489.6 489.6 314.2 489.7 0.02 31 33 21975 -65.3 -78.3 15 13.0 -65.7 180 48 551.4 551.4 318.2 551.6 0.03 32 32 22164 -63.1 -76.1 16 13.0 -63.6 180 49 562.1 562.2 318.8 562.4 0.04 33 30 22560 -65.1 -78.1 15 13.0 -65.5 180 52 567.2 567.2 319.0 567.4 0.03 34 26 23431 -65.5 -78.5 15 13.0 -66.0 589.7 589.7 320.2 590.0 0.03 35 25 23672 -61.7 -75.7 14 14.0 -62.5 607.3 607.3 320.9 607.7 0.05 TRP 328 7754 -60.9 -64.9 59 4.0 -60.9 150 17 291.9 292.0 277.7 292.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4900.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 62.95 % Est. max temperature: -14.40 C = 6.08 F Sfc-Lift cond lev (LCL): 943.30 mb = 559.69 m = 1836.22 ft T: -27.42 C 700-500 lapse rate: 5.75 C/km Conv cond level (CCL): 1001.00 mb = 133.06 m = 436.55 ft Mean mixing ratio: 0.27 g/kg Conv temperature: -31.55 C = -24.79 F Cap Strength: 25.25 C Lifted Index: 25.09 C Risk: None Lifted Index @300 mb: 35.47 C Lifted Index @700 mb: 17.99 C Showalter Index: 16.60 C Risk: None Total Totals Index: 30.70 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 13.30 C K Index: -18.80 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.13 J/kg Max Up Vert Vel: 9.07 m/s Conv Inhibition (B-): 49808.59 J/kg Cap Strength: 25.24 C Lift Cond Lev (LCL): 884.73 mb = 1021.41 m = 3351.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 175 at 15 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 112 60 3 -2.6 -1.5 | 5 16 -1.4 -16.1 1 1000 140 65 3 -2.7 -1.3 | 5 16 -1.5 -15.8 2 925 701 110 9 -8.5 3.1 | 32 14 -7.3 -11.5 3 850 1310 175 7 -0.6 7.0 | 356 8 0.6 -7.6 4 700 2709 145 17 -9.8 13.9 | 86 9 -8.5 -0.6 5 500 5040 145 33 -18.9 27.0 | 125 22 -17.7 12.5 6 400 6500 150 25 -12.5 21.7 | 122 13 -11.3 7.1 7 328 7754 150 17 -8.5 14.7 | 91 7 -7.3 0.2 8 300 8310 155 15 -6.3 13.6 | 79 5 -5.1 -1.0 9 250 9440 190 3 0.5 3.0 | 352 12 1.7 -11.6 10 200 10850 205 5 2.1 4.5 | 342 11 3.3 -10.0 11 150 12660 210 9 4.5 7.8 | 320 9 5.7 -6.8 12 100 15190 195 21 5.4 20.3 | 229 9 6.6 5.7 13 70 17380 190 19 3.3 18.7 | 227 6 4.5 4.2 14 50 19440 180 31 0.0 31.0 | 184 16 1.2 16.4 15 30 22560 180 52 0.0 52.0 | 182 37 1.2 37.4 Wind Parameters Mean winds (0-6000m): 145.3 at 19.5 knts Storm direction: 175.3 at 14.6 knts Shear (0-3000m) pos: 1.8 neg: 2.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 46.6 neg: -12.3 tot: 34.4 m^2/s^2 ave: 11.5 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.10 Bulk Shear: 37.49 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 92 5 16 15| 6.4 0.0 6.4| 25.1 0.0 25.1 50.1 0.95| 6.6 6.3 1000 114 7 23 13| 4.3 0.0 4.3| 29.3 -6.8 22.5 22.5 0.32| 7.3 2.3 1500 132 7 23 11| 3.6 0.0 3.6| 31.4 -12.3 19.1 12.8 0.16| 6.6 1.0 2000 143 8 24 9| 2.7 1.1 3.8| 36.0 -12.3 23.8 11.9 0.29| 6.0 1.8 2500 144 9 32 8| 2.2 1.7 3.9| 40.6 -12.3 28.3 11.3 0.35| 5.8 2.0 3000 144 11 41 8| 1.8 2.0 3.8| 46.6 -12.3 34.4 11.5 0.39| 5.4 2.1 4000 145 14 64 8| 1.4 2.4 3.7| 60.0 -12.3 47.7 11.9 0.42| 5.0 2.1 5000 145 17 87 9| 1.3 2.3 3.6| 72.4 -12.3 60.1 12.0 0.42| 4.6 1.9 6000 145 19 98 10| 0.8 1.9 2.7| 72.4 -14.2 58.2 9.7 0.36| 4.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251127.12.gif