UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:1200Z 4 DEC 25 Station: EP374 WMO ident: 12374 Latitude: 52.40 Longitude: 20.97 ------------------------------------------------------------------------------- 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 1005 98 4.6 2.8 88 1.8 3.8 190 1 277.4 278.1 276.7 290.0 4.65 1 1000 139 4.0 2.4 89 1.6 3.3 185 3 277.1 277.9 276.4 289.5 4.54 2 925 768 -0.5 -0.5 100 0.0 -0.5 215 5 278.8 279.5 276.6 289.8 3.98 3 921 803 -0.9 -0.9 100 0.0 -0.9 215 5 278.7 279.4 276.4 289.5 3.88 4 911 890 1.2 -0.9 86 2.1 0.3 216 6 281.8 282.4 278.0 292.8 3.93 5 864 1316 0.6 -6.4 59 7.0 -2.1 219 11 285.4 285.9 278.3 293.3 2.74 6 850 1447 0.4 -4.6 69 5.0 -1.6 220 13 286.6 287.1 279.4 295.8 3.19 7 829 1648 0.0 -4.6 71 4.6 -1.9 216 13 288.2 288.8 280.3 297.7 3.27 8 813 1804 -0.5 -11.5 43 11.0 -4.3 213 13 289.3 289.6 279.1 295.1 1.95 9 802 1913 -0.9 -8.9 55 8.0 -3.8 211 12 290.0 290.4 280.1 297.2 2.43 10 719 2776 -6.9 -10.9 73 4.0 -8.2 194 11 292.6 293.0 281.1 299.5 2.31 11 700 2985 -8.3 -12.7 71 4.4 -9.7 190 11 293.3 293.7 281.1 299.5 2.05 12 639 3686 -13.5 -19.5 61 6.0 -15.0 220 16 295.1 295.4 281.0 299.1 1.28 13 636 3722 -13.9 -20.9 55 7.0 -15.6 221 17 295.1 295.3 280.7 298.6 1.14 14 579 4431 -17.7 -38.7 14 21.0 -20.5 252 22 298.7 298.7 281.1 299.5 0.23 15 572 4522 -17.3 -44.3 8 27.0 -20.4 256 23 300.2 300.2 281.6 300.6 0.13 16 571 4535 -17.3 -44.3 8 27.0 -20.4 257 23 300.3 300.3 281.7 300.8 0.13 17 500 5520 -23.3 -43.3 14 20.0 -25.4 300 31 304.6 304.7 283.5 305.2 0.17 18 499 5535 -23.3 -43.3 14 20.0 -25.4 300 31 304.8 304.8 283.5 305.4 0.17 19 470 5967 -26.9 -40.9 25 14.0 -28.3 299 35 305.6 305.6 284.0 306.4 0.23 20 400 7100 -36.7 -57.7 10 21.0 -37.6 295 46 307.3 307.3 284.4 307.4 0.04 21 392 7240 -37.9 -58.9 9 21.0 -38.7 293 47 307.5 307.5 284.4 307.6 0.03 22 349 8031 -44.5 -58.5 20 14.0 -44.9 282 53 309.0 309.0 285.0 309.1 0.04 23 317 8669 -49.3 -59.3 30 10.0 -49.6 272 59 310.9 310.9 285.7 311.1 0.04 24 309 8837 -49.9 -62.3 22 12.3 -50.2 270 60 312.3 312.3 286.2 312.4 0.03 25 300 9030 -50.7 -65.7 15 15.0 -51.0 280 58 313.9 313.9 286.7 314.0 0.02 26 297 9095 -51.3 -66.3 15 15.0 -51.5 280 57 313.9 313.9 286.8 314.0 0.02 27 250 10190 -60.7 -67.7 39 7.0 -60.8 275 46 315.8 315.8 287.4 315.9 0.02 28 232 10651 -64.1 -69.1 50 5.0 -64.1 250 46 317.5 317.5 287.9 317.5 0.01 29 219 11004 -63.5 -73.5 24 10.0 -63.6 252 39 323.7 323.7 289.9 323.7 0.01 30 217 11060 -60.3 -73.3 17 13.0 -60.4 252 38 329.5 329.5 291.6 329.5 0.01 31 207 11355 -58.9 -77.9 7 19.0 -59.0 254 33 336.2 336.2 293.4 336.2 0.00 32 200 11570 -60.3 -77.3 9 17.0 -60.4 255 29 337.3 337.3 293.6 337.3 0.01 33 192 11823 -62.3 -77.3 12 15.0 -62.4 250 28 338.0 338.0 293.9 338.0 0.01 34 182 12156 -58.7 -81.7 4 23.0 -58.9 244 26 349.1 349.1 296.4 349.1 0.00 35 150 13370 -59.1 -84.1 3 25.0 -59.3 220 21 368.3 368.3 300.2 368.3 0.00 36 144 13626 -59.5 -84.5 2 25.0 -59.7 218 21 371.9 371.9 300.9 371.9 0.00 37 134 14081 -57.1 -84.1 2 27.0 -57.4 216 22 383.9 383.9 302.9 383.9 0.00 38 100 15920 -61.1 -86.1 2 25.0 -61.4 205 25 409.7 409.7 306.5 409.7 0.00 39 70 18110 -63.5 -87.5 2 24.0 -63.8 240 31 448.5 448.5 310.7 448.5 0.00 40 50 20150 -67.1 -90.1 2 23.0 -67.3 246 38 485.4 485.4 313.9 485.4 0.00 41 30 23200 -72.5 -91.5 4 19.0 -72.7 255 48 547.0 547.0 317.9 547.0 0.00 42 20 25560 -76.3 -93.3 5 17.0 -76.4 260 48 602.6 602.6 320.7 602.6 0.00 43 16 26839 -78.1 -95.1 5 17.0 -78.3 262 62 636.5 636.5 322.2 636.5 0.00 44 10 29550 -74.1 -94.1 3 20.0 -74.5 265 93 743.0 743.0 325.7 743.0 0.01 45 7.4 31325 -69.7 -92.7 2 23.0 -70.7 827.7 827.7 327.9 827.7 0.01 46 6.4 32185 -72.1 -94.1 2 22.0 -72.9 852.6 852.6 328.4 852.6 0.01 47 5.8 32771 -67.7 -93.7 1 26.0 -69.2 896.1 896.1 329.4 896.2 0.01 TRP 232 10651 -64.1 -69.1 50 5.0 -64.1 250 46 317.5 317.5 287.9 317.5 0.01 WND 309 8837 -49.9 -62.3 22 12.3 -50.2 270 60 312.3 312.3 286.2 312.4 0.03 Sounding variables and indices 1000-500 mb thick: 5381.00 m Freezing level: 933.33 mb = 698.11 m = 2290.36 ft Freezing level: 916.71 mb = 840.14 m = 2756.32 ft Freezing level: 829.00 mb = 1647.76 m = 5405.97 ft Wetbulb zero: 935.07 mb = 680.62 m = 2232.98 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 54.01 % Est. max temperature: 13.42 C = 56.15 F Sfc-Lift cond lev (LCL): 977.44 mb = 323.07 m = 1059.93 ft T: 2.68 C 700-500 lapse rate: 5.92 C/km ThetaE index: 2.61 C Layer 813.0- 802.0 mb Conv cond level (CCL): 940.23 mb = 636.21 m = 2087.27 ft Mean mixing ratio: 4.20 g/kg Conv temperature: 5.71 C = 42.27 F Cap Strength: 10.57 C Lifted Index: 12.89 C Risk: None Lifted Index @300 mb: 16.96 C Lifted Index @700 mb: 7.27 C Showalter Index: 8.67 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 18.70 C K Index: 14.70 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.74 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 12.90 C Lift Cond Lev (LCL): 940.10 mb = 637.36 m = 2091.06 ft Lev Free Conv (LFC): 935.10 mb = 680.38 m = 2232.21 ft Equ Level (EL): 915.10 mb = 854.15 m = 2802.29 ft B at Equ Level: 10.06 J/kg Max Parcel Lev (MPL): 895.10 mb = 1031.67 m = 3384.69 ft Wind level data Storm motion: 294 at 13 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 1005 98 190 1 0.2 1.0 | 119 13 -11.3 6.2 1 1000 139 185 3 0.3 3.0 | 126 14 -11.3 8.2 2 925 768 215 5 2.9 4.1 | 137 13 -8.7 9.3 3 850 1447 220 13 8.4 10.0 | 168 15 -3.2 15.2 4 700 2985 190 11 1.9 10.8 | 149 19 -9.6 16.0 5 500 5520 300 31 26.8 -15.5 | 304 18 15.3 -10.3 6 400 7100 295 46 41.7 -19.4 | 295 33 30.2 -14.2 7 309 8837 270 60 60.0 -0.0 | 264 49 48.5 5.2 8 300 9030 280 58 57.1 -10.1 | 276 46 45.6 -4.9 9 250 10190 275 46 45.8 -4.0 | 268 34 34.3 1.2 10 232 10651 250 46 43.2 15.7 | 237 38 31.7 20.9 11 200 11570 255 29 28.0 7.5 | 232 21 16.5 12.7 12 150 13370 220 21 13.5 16.1 | 185 21 2.0 21.3 13 100 15920 205 25 10.6 22.7 | 178 28 -1.0 27.9 14 70 18110 240 31 26.8 15.5 | 217 26 15.3 20.7 15 30 23200 255 48 46.4 12.4 | 243 39 34.8 17.6 16 20 25560 260 48 47.3 8.3 | 249 38 35.8 13.5 17 10 29550 265 93 92.6 8.1 | 261 82 81.1 13.3 Wind Parameters Mean winds (0-6000m): 264.3 at 16.8 knts Storm direction: 294.3 at 12.6 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 34.5 deg Storm rel helicity (0-3000m) pos: 47.8 neg: -24.6 tot: 23.1 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 32.94 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 ------------------------------------------------------------------------------- 500 198 4 130 14| 3.6 0.0 3.6| 12.9 0.0 12.9 25.9 0.91| 4.1 3.7 1000 210 5 136 13| 4.1 0.0 4.1| 28.4 0.0 28.4 28.4 0.93| 4.5 4.2 1500 215 7 146 13| 2.8 1.3 4.1| 41.9 -1.6 40.4 26.9 0.85| 4.5 3.9 2000 214 8 151 14| 2.1 1.0 3.0| 41.9 -9.8 32.2 16.1 0.61| 4.0 2.4 2500 211 9 152 15| 1.7 0.9 2.5| 41.9 -18.4 23.5 9.4 0.43| 3.6 1.5 3000 208 10 153 15| 1.4 0.9 2.2| 47.8 -24.6 23.1 7.7 0.37| 3.5 1.3 4000 213 11 159 15| 2.5 0.6 3.2|114.6 -24.6 89.9 22.5 0.62| 4.4 2.8 5000 237 14 180 13| 3.2 0.5 3.7|193.6 -24.6 169.0 33.8 0.76| 5.6 4.2 6000 264 17 217 9| 3.1 0.3 3.4|235.0 -31.3 203.7 34.0 0.71| 6.0 4.2 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251204.12.gif