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 EHDB... Searching the city database file for: EHDB ... Date:1200Z 4 DEC 25 Station: EHDB WMO ident: 6260 Latitude: 52.10 Longitude: 5.18 Elevation: 4.00 ------------------------------------------------------------------------------- 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 4 8.0 4.9 81 3.1 6.5 140 9 280.8 281.8 279.4 295.7 5.41 1 1000 36 7.2 4.0 80 3.2 5.6 140 9 280.4 281.2 278.8 294.4 5.09 2 940 541 2.8 1.8 93 1.0 2.4 172 17 280.9 281.7 278.5 293.7 4.63 3 934 593 3.2 0.4 82 2.8 2.0 175 18 281.8 282.5 278.4 293.6 4.21 4 925 671 3.0 -1.7 71 4.7 1.0 180 19 282.4 283.0 278.0 292.6 3.65 5 923 689 3.0 -3.0 65 6.0 0.5 180 19 282.6 283.1 277.6 291.9 3.32 6 884 1037 1.0 -6.0 59 7.0 -1.7 188 21 284.0 284.5 277.6 291.9 2.76 7 853 1324 -0.7 -5.1 72 4.4 -2.4 194 23 285.1 285.7 278.6 293.9 3.06 8 850 1352 -0.7 -5.5 70 4.8 -2.6 195 23 285.4 285.9 278.6 294.0 2.98 9 832 1523 -1.1 -13.1 40 12.0 -5.0 193 22 286.7 287.0 277.5 291.7 1.67 10 787 1963 -3.5 -20.5 25 17.0 -7.9 189 20 288.8 288.9 277.5 291.7 0.95 11 768 2156 -4.1 -21.1 25 17.0 -8.5 187 19 290.1 290.3 278.2 293.0 0.92 12 744 2405 -6.3 -20.3 32 14.0 -9.9 185 18 290.4 290.6 278.4 293.6 1.02 13 714 2726 -8.1 -32.1 13 24.0 -12.5 182 16 291.9 291.9 278.2 293.0 0.36 14 700 2879 -8.9 -26.9 22 18.0 -12.7 180 15 292.6 292.7 278.9 294.6 0.60 15 655 3388 -12.7 -20.7 51 8.0 -14.6 184 17 294.0 294.2 280.2 297.5 1.12 16 590 4175 -18.3 -47.3 6 29.0 -21.2 190 20 296.4 296.4 279.8 296.7 0.09 17 558 4588 -21.3 -50.3 5 29.0 -23.8 193 22 297.6 297.6 280.4 297.8 0.07 18 537 4869 -23.5 -41.5 18 18.0 -25.4 196 23 298.2 298.3 280.8 298.9 0.19 19 533 4924 -23.7 -29.7 58 6.0 -24.6 196 23 298.6 298.7 281.6 300.6 0.61 20 525 5034 -23.5 -38.5 24 15.0 -25.2 197 24 300.2 300.2 281.8 301.1 0.26 21 519 5118 -23.5 -35.5 32 12.0 -25.1 198 24 301.2 301.2 282.3 302.4 0.36 22 512 5217 -23.7 -30.7 53 7.0 -24.8 199 24 302.1 302.2 283.0 304.0 0.58 23 503 5346 -24.3 -35.3 35 11.0 -25.7 200 25 302.9 303.0 283.1 304.2 0.38 24 500 5390 -24.5 -33.5 43 9.0 -25.8 200 25 303.2 303.3 283.2 304.7 0.45 25 497 5434 -24.9 -29.9 63 5.0 -25.7 200 25 303.2 303.3 283.5 305.3 0.64 26 489 5552 -25.9 -29.3 73 3.4 -26.4 200 25 303.4 303.5 283.7 305.7 0.69 27 486 5596 -26.1 -33.1 52 7.0 -27.1 201 25 303.7 303.8 283.5 305.3 0.48 28 478 5716 -27.1 -29.0 84 1.9 -27.4 201 25 303.9 304.0 283.9 306.3 0.73 29 412 6773 -34.1 -35.9 84 1.8 -34.3 204 25 308.1 308.1 285.1 309.6 0.43 30 400 6980 -35.5 -39.4 67 3.9 -35.8 205 25 308.9 308.9 285.3 310.0 0.31 31 378 7371 -37.7 -44.7 48 7.0 -38.2 203 28 311.0 311.0 285.9 311.7 0.19 32 377 7390 -37.9 -43.9 53 6.0 -38.3 203 28 311.0 311.0 285.9 311.7 0.21 33 300 8920 -50.5 -54.5 62 4.0 -50.6 195 40 314.2 314.2 286.9 314.5 0.08 34 297 8986 -51.1 -54.3 69 3.2 -51.2 194 40 314.2 314.2 286.9 314.5 0.08 35 266 9698 -56.9 -61.2 58 4.3 -57.0 185 39 315.8 315.8 287.4 316.0 0.04 36 250 10090 -59.7 -63.7 59 4.0 -59.7 180 38 317.3 317.3 287.9 317.4 0.03 37 222 10824 -64.3 -67.7 63 3.4 -64.3 194 38 321.2 321.2 289.1 321.3 0.02 38 206 11280 -64.7 -74.7 24 10.0 -64.8 202 38 327.5 327.5 291.0 327.5 0.01 39 201 11430 -66.1 -75.1 27 9.0 -66.1 205 38 327.6 327.6 291.0 327.6 0.01 40 200 11460 -65.9 -74.9 27 9.0 -66.0 205 36 328.4 328.4 291.3 328.4 0.01 41 187 11875 -59.1 -80.1 5 21.0 -59.3 209 33 345.8 345.8 295.7 345.8 0.00 42 185 11942 -59.1 -80.1 5 21.0 -59.3 209 33 346.8 346.8 295.9 346.8 0.00 43 171 12433 -61.3 -81.3 5 20.0 -61.4 213 30 351.1 351.1 296.8 351.1 0.00 44 150 13250 -59.3 -83.3 3 24.0 -59.5 220 25 367.9 367.9 300.2 367.9 0.00 45 138 13772 -57.7 -84.7 2 27.0 -58.0 218 24 379.6 379.6 302.2 379.6 0.00 46 100 15790 -59.3 -86.3 2 27.0 -59.6 210 21 413.2 413.2 306.9 413.2 0.00 TRP 201 11430 -66.1 -75.1 27 9.0 -66.1 205 38 327.6 327.6 291.0 327.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5354.00 m Freezing level: 865.76 mb = 1205.86 m = 3956.20 ft Wetbulb zero: 913.42 mb = 772.88 m = 2535.65 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 38.95 % Est. max temperature: 12.26 C = 54.07 F Sfc-Lift cond lev (LCL): 957.56 mb = 389.70 m = 1278.54 ft T: 4.12 C 700-500 lapse rate: 6.21 C/km ThetaE index: 3.82 C Layer 1000.0- 853.0 mb Conv cond level (CCL): 864.14 mb = 1219.69 m = 4001.57 ft Mean mixing ratio: 4.40 g/kg Conv temperature: 11.89 C = 53.40 F Cap Strength: 8.90 C Lifted Index: 9.11 C Risk: None Lifted Index @300 mb: 14.70 C Lifted Index @700 mb: 4.44 C Showalter Index: 8.76 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 19.00 C K Index: 0.30 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 2.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.63 J/kg Max Up Vert Vel: 5.03 m/s Conv Inhibition (B-): 12033.47 J/kg Cap Strength: 8.53 C Lift Cond Lev (LCL): 909.70 mb = 805.82 m = 2643.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 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 4 140 9 -5.8 6.9 | 74 16 -15.4 -4.3 1 1000 36 140 9 -5.8 6.9 | 74 16 -15.4 -4.3 2 925 671 180 19 0.0 19.0 | 129 12 -9.6 7.8 3 850 1352 195 23 6.0 22.2 | 162 12 -3.7 11.0 4 700 2879 180 15 0.0 15.0 | 111 10 -9.6 3.8 5 500 5390 200 25 8.6 23.5 | 175 12 -1.1 12.3 6 400 6980 205 25 10.6 22.7 | 185 11 1.0 11.4 7 300 8920 195 40 10.4 38.6 | 182 27 0.7 27.4 8 250 10090 180 38 0.0 38.0 | 160 28 -9.6 26.8 9 201 11430 205 38 16.1 34.4 | 196 24 6.5 23.2 10 200 11460 205 36 15.2 32.6 | 195 22 5.6 21.4 11 150 13250 220 25 16.1 19.2 | 219 10 6.5 7.9 12 100 15790 210 21 10.5 18.2 | 187 7 0.9 6.9 Wind Parameters Mean winds (0-6000m): 190.5 at 19.7 knts Storm direction: 220.5 at 14.8 knts Shear (0-3000m) pos: 3.1 neg: 1.3 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 40.3 deg Storm rel helicity (0-3000m) pos: 72.4 neg: -24.7 tot: 47.7 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.74 Bulk Shear: 17.07 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 ------------------------------------------------------------------------------- 500 158 12 91 14| 9.9 0.0 9.9| 37.5 0.0 37.5 74.9 0.97| 10.2 9.8 1000 174 16 112 12| 8.4 0.0 8.4| 61.2 0.0 61.2 61.2 0.97| 8.9 8.6 1500 182 18 126 11| 6.3 0.0 6.3| 71.2 -1.9 69.4 46.2 0.91| 7.3 6.6 2000 185 19 132 11| 4.7 0.8 5.5| 71.2 -10.7 60.5 30.3 0.67| 6.3 4.2 2500 185 19 133 11| 3.8 1.3 5.0| 71.2 -19.0 52.2 20.9 0.48| 5.6 2.7 3000 185 18 131 11| 3.1 1.3 4.5| 72.4 -24.7 47.7 15.9 0.39| 5.1 2.0 4000 185 18 130 10| 3.0 1.0 4.0| 85.0 -24.7 60.3 15.1 0.47| 4.5 2.1 5000 188 19 135 10| 2.9 0.8 3.7| 98.9 -24.7 74.2 14.8 0.53| 4.1 2.2 6000 191 20 144 10| 2.6 0.7 3.2|107.2 -24.7 82.5 13.8 0.56| 3.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20251204.12.gif