UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 6 DEC 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1006 173 -1.1 -3.3 85 2.2 -1.9 230 3 271.6 272.1 270.9 279.6 2.97 1 1000 221 -1.9 -4.0 86 2.1 -2.7 250 7 271.2 271.7 270.5 278.9 2.84 2 925 835 -7.7 -7.7 100 0.0 -7.7 280 9 271.4 271.8 269.8 277.8 2.31 3 874 1274 -10.7 -10.7 100 0.0 -10.7 297 9 272.8 273.1 270.0 278.1 1.93 4 856 1435 -7.3 -7.3 100 0.0 -7.3 303 9 277.9 278.4 274.1 285.2 2.58 5 850 1490 -6.7 -9.8 79 3.1 -7.7 305 9 279.1 279.5 274.1 285.2 2.13 6 844 1545 -5.3 -9.7 71 4.4 -6.7 304 9 281.2 281.5 275.3 287.4 2.17 7 842 1564 -5.3 -11.3 63 6.0 -7.2 303 9 281.4 281.7 275.0 286.9 1.91 8 830 1677 -3.3 -7.3 74 4.0 -4.7 300 10 284.6 285.1 277.8 292.3 2.66 9 776 2208 -4.9 -9.5 70 4.6 -6.5 286 12 288.4 288.8 279.3 295.5 2.39 10 773 2238 -4.9 -10.9 63 6.0 -6.9 285 12 288.7 289.1 279.1 295.1 2.15 11 750 2476 -5.5 -16.5 42 11.0 -8.7 279 13 290.6 290.9 279.0 294.9 1.40 12 724 2752 -6.9 -16.9 45 10.0 -9.8 272 14 292.0 292.3 279.7 296.3 1.40 13 714 2860 -7.7 -13.7 62 6.0 -9.5 269 14 292.3 292.6 280.4 297.9 1.86 14 700 3014 -8.9 -15.9 57 7.0 -10.9 265 15 292.6 292.9 280.2 297.5 1.58 15 588 4340 -17.3 -27.3 41 10.0 -19.2 270 24 297.8 297.9 281.4 300.1 0.69 16 502 5501 -27.1 -29.6 79 2.5 -27.5 275 33 299.7 299.8 282.1 301.8 0.65 17 500 5530 -27.3 -29.8 79 2.5 -27.6 275 33 299.8 299.9 282.1 301.9 0.65 18 490 5676 -28.3 -32.9 65 4.6 -28.9 275 33 300.3 300.4 282.1 301.9 0.49 19 400 7100 -40.9 -41.8 91 0.9 -40.9 275 36 301.8 301.9 282.4 302.7 0.24 20 399 7117 -41.1 -42.0 91 0.9 -41.2 275 36 301.8 301.8 282.4 302.6 0.24 21 311 8760 -54.7 -58.2 65 3.5 -54.8 284 48 305.1 305.1 283.5 305.3 0.05 22 300 8990 -56.3 -60.1 62 3.8 -56.3 285 50 306.0 306.0 283.8 306.1 0.04 23 266 9740 -61.9 -66.6 53 4.7 -61.9 285 46 308.5 308.5 284.8 308.6 0.02 24 250 10120 -63.5 -68.4 51 4.9 -63.6 285 44 311.7 311.7 285.9 311.7 0.02 25 229 10660 -65.5 -70.5 50 5.0 -65.5 280 48 316.5 316.5 287.6 316.6 0.01 26 200 11490 -64.3 -70.3 44 6.0 -64.4 285 38 330.9 330.9 292.0 331.0 0.01 27 169 12528 -59.7 -67.7 35 8.0 -59.8 282 33 354.9 354.9 297.7 355.0 0.03 28 150 13270 -60.3 -70.3 26 10.0 -60.4 280 29 366.2 366.2 299.9 366.3 0.02 29 100 15790 -61.9 -78.9 9 17.0 -62.1 290 27 408.1 408.1 306.3 408.2 0.01 30 70 17970 -65.7 -93.7 1 28.0 -65.9 295 33 443.8 443.8 310.3 443.8 0.00 31 62 18703 -68.1 -95.1 1 27.0 -68.2 291 37 454.2 454.2 311.3 454.2 0.00 32 50 19990 -69.5 -96.5 1 27.0 -69.6 285 44 479.7 479.7 313.4 479.7 0.00 33 30 23010 -74.7 -99.7 1 25.0 -74.8 290 54 541.0 541.0 317.6 541.0 0.00 34 25 24067 -75.7 -100.7 1 25.0 -75.9 567.1 567.1 319.0 567.1 0.00 TRP 229 10660 -65.5 -70.5 50 5.0 -65.5 280 48 316.5 316.5 287.6 316.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5309.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 66.28 % Est. max temperature: 5.26 C = 41.48 F Sfc-Lift cond lev (LCL): 971.84 mb = 445.94 m = 1463.05 ft T: -4.02 C 700-500 lapse rate: 7.31 C/km ThetaE index: 1.88 C Layer 1000.0- 874.0 mb Conv cond level (CCL): 942.29 mb = 689.19 m = 2261.09 ft Mean mixing ratio: 2.53 g/kg Conv temperature: -1.28 C = 29.69 F Cap Strength: 17.88 C Lifted Index: 17.97 C Risk: None Lifted Index @300 mb: 19.62 C Lifted Index @700 mb: 15.05 C Showalter Index: 12.58 C Risk: None Total Totals Index: 38.10 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.50 C K Index: 3.80 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.85 J/kg Max Up Vert Vel: 3.42 m/s Conv Inhibition (B-): 0.01 J/kg Cap Strength: 17.88 C Lift Cond Lev (LCL): 941.96 mb = 691.88 m = 2269.91 ft Lev Free Conv (LFC): 936.96 mb = 733.80 m = 2407.44 ft Equ Level (EL): 876.96 mb = 1247.74 m = 4093.57 ft B at Equ Level: 5.49 J/kg Max Parcel Lev (MPL): 866.96 mb = 1336.54 m = 4384.92 ft Wind level data Storm motion: 304 at 14 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 173 230 3 2.3 1.9 | 137 14 -9.3 9.9 1 1000 221 250 7 6.6 2.4 | 154 11 -5.0 10.3 2 925 835 280 9 8.9 -1.6 | 157 7 -2.7 6.4 3 850 1490 305 9 7.4 -5.2 | 124 5 -4.2 2.8 4 700 3014 265 15 14.9 1.3 | 200 10 3.4 9.3 5 500 5530 275 33 32.9 -2.9 | 257 22 21.3 5.1 6 400 7100 275 36 35.9 -3.1 | 259 25 24.3 4.8 7 300 8990 285 50 48.3 -12.9 | 278 37 36.7 -5.0 8 250 10120 285 44 42.5 -11.4 | 276 31 30.9 -3.4 9 229 10660 280 48 47.3 -8.3 | 271 36 35.7 -0.4 10 200 11490 285 38 36.7 -9.8 | 274 25 25.1 -1.9 11 150 13270 280 29 28.6 -5.0 | 260 17 17.0 2.9 12 100 15790 290 27 25.4 -9.2 | 275 14 13.8 -1.3 13 70 17970 295 33 29.9 -13.9 | 288 19 18.3 -6.0 14 50 19990 285 44 42.5 -11.4 | 276 31 30.9 -3.4 15 30 23010 290 54 50.7 -18.5 | 285 41 39.2 -10.5 Wind Parameters Mean winds (0-6000m): 274.5 at 18.7 knts Storm direction: 304.5 at 14.0 knts Shear (0-3000m) pos: 1.6 neg: 1.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 69.4 deg Storm rel helicity (0-3000m) pos: 25.2 neg: -4.9 tot: 20.3 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 17.77 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 ------------------------------------------------------------------------------- 500 261 7 155 10| 6.8 0.0 6.8| 13.8 0.0 13.8 27.7 0.59| 7.8 4.6 1000 274 8 155 8| 4.2 0.0 4.2| 13.8 -2.6 11.3 11.3 0.26| 5.6 1.5 1500 283 9 151 7| 3.1 0.0 3.1| 14.8 -4.9 9.8 6.6 0.14| 4.7 0.7 2000 286 9 152 6| 2.4 0.8 3.2| 18.1 -4.9 13.2 6.6 0.29| 4.3 1.3 2500 284 10 160 6| 1.9 1.3 3.2| 21.1 -4.9 16.2 6.5 0.34| 4.2 1.4 3000 279 11 170 6| 1.6 1.7 3.3| 25.2 -4.9 20.3 6.8 0.36| 4.1 1.5 4000 275 13 190 7| 2.0 1.3 3.3| 44.3 -4.9 39.3 9.8 0.47| 4.0 1.9 5000 274 16 211 8| 2.3 1.0 3.3| 66.2 -4.9 61.3 12.3 0.51| 4.0 2.0 6000 274 19 228 10| 2.2 0.9 3.1| 77.3 -4.9 72.4 12.1 0.51| 3.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251206.12.gif