UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 6 DEC 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 109 1 925 759 SFC 899 997 10.6 7.5 81 3.1 8.9 90 7 292.5 293.8 286.5 313.3 7.25 3 890 1081 10.4 5.8 73 4.6 7.9 103 10 293.2 294.3 286.0 311.9 6.50 4 885 1128 10.2 2.2 58 8.0 6.1 111 12 293.4 294.3 284.7 308.2 5.07 5 880 1175 10.2 7.4 83 2.8 8.6 119 14 293.9 295.2 287.1 315.1 7.35 6 874 1231 9.0 3.0 66 6.0 5.9 128 17 293.2 294.2 284.9 309.0 5.43 7 850 1461 7.2 3.3 76 3.9 5.2 165 26 293.7 294.7 285.4 310.3 5.71 8 780 2162 2.2 0.2 87 2.0 1.3 180 27 295.6 296.5 285.4 310.3 4.98 9 753 2445 -0.5 -2.3 88 1.8 -1.3 187 28 295.7 296.5 284.7 308.4 4.29 10 740 2585 0.4 -3.8 73 4.2 -1.4 190 28 298.2 298.9 285.2 309.8 3.90 11 739 2596 0.4 -4.6 69 5.0 -1.8 190 28 298.3 298.9 285.1 309.3 3.68 12 731 2683 1.4 -3.6 69 5.0 -0.9 192 28 300.3 301.0 286.2 312.4 4.01 13 700 3030 -2.5 -10.5 54 8.0 -5.5 200 29 299.7 300.2 284.3 307.3 2.45 14 673 3342 -4.3 -10.3 63 6.0 -6.5 203 29 301.1 301.6 284.9 309.1 2.59 15 659 3508 -5.3 -10.3 68 5.0 -7.2 204 29 301.8 302.3 285.3 310.0 2.65 16 551 4893 -15.1 -21.1 60 6.0 -16.6 218 28 306.0 306.2 285.4 310.2 1.29 17 500 5620 -22.5 -24.7 82 2.2 -22.9 225 27 305.6 305.8 284.9 309.0 1.03 18 499 5635 -22.3 -24.5 82 2.2 -22.8 225 27 306.0 306.2 285.1 309.5 1.05 19 471 6055 -25.1 -28.2 75 3.1 -25.6 224 31 307.6 307.8 285.4 310.3 0.80 20 449 6400 -27.3 -40.3 28 13.0 -28.7 223 35 309.1 309.2 285.3 310.0 0.25 21 431 6692 -29.1 -42.1 27 13.0 -30.4 222 38 310.5 310.5 285.8 311.3 0.22 22 421 6859 -30.1 -41.1 33 11.0 -31.2 221 39 311.3 311.3 286.1 312.2 0.25 23 400 7220 -33.3 -51.3 15 18.0 -34.4 220 43 311.7 311.7 286.1 312.0 0.08 24 398 7255 -33.1 -48.1 21 15.0 -34.1 220 43 312.4 312.4 286.4 312.9 0.12 25 376 7654 -36.5 -46.5 35 10.0 -37.2 223 42 313.0 313.1 286.6 313.6 0.16 26 300 9180 -50.1 -57.1 43 7.0 -50.3 235 37 314.7 314.7 287.1 315.0 0.06 27 250 10340 -61.1 225 49 315.2 28 240 10594 -62.5 220 55 316.8 29 235 10724 -62.1 223 53 319.3 30 224 11023 -59.5 229 48 327.7 31 200 11740 -56.3 245 37 343.6 32 190 12064 -57.3 240 38 347.1 33 157 13257 -61.1 220 41 360.1 34 150 13540 -61.1 215 42 364.8 35 128 14535 -59.1 227 39 385.3 36 112 15380 -57.3 237 37 403.7 37 100 16100 -57.3 245 35 417.0 38 79 17581 -59.3 258 32 442.0 39 76 17825 -55.3 260 31 455.2 40 70 18350 -54.3 265 30 468.2 41 55 19879 -57.1 240 38 495.2 42 50 20480 -57.3 230 41 508.4 43 43 21432 -59.1 240 42 526.4 44 38 22211 -57.5 249 42 549.5 45 35 22733 -56.1 254 42 566.2 46 30 23710 -58.1 265 43 586.2 47 27 24375 -57.3 266 49 606.4 48 20 26260 -60.1 270 65 652.2 49 19 26581 -60.1 270 69 661.8 50 13 28956 -60.1 270 100 737.7 51 11 29994 -63.1 270 113 762.9 52 10 30580 -64.0 270 121 780.7 53 8.9 31292 -65.1 802.9 54 8.5 31573 -64.3 816.6 TRP 240 10594 -62.5 220 55 316.8 WND 10 30580 -64.0 270 121 780.7 Sounding variables and indices 1000-500 mb thick: 5511.00 m Freezing level: 758.00 mb = 2392.85 m = 7850.45 ft Freezing level: 745.78 mb = 2522.87 m = 8277.03 ft Freezing level: 719.87 mb = 2807.77 m = 9211.72 ft Wetbulb zero: 766.91 mb = 2298.14 m = 7539.73 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 69.99 % Est. max temperature: 14.40 C = 57.92 F Sfc-Lift cond lev (LCL): 857.74 mb = 1386.25 m = 4548.02 ft T: 7.79 C 700-500 lapse rate: 7.72 C/km ThetaE index: 6.10 C Layer 874.0- 850.0 mb Conv cond level (CCL): 778.31 mb = 2179.40 m = 7150.19 ft Mean mixing ratio: 5.70 g/kg Conv temperature: 13.62 C = 56.51 F Cap Strength: 3.14 C Lifted Index: -0.49 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.26 C Lifted Index @700 mb: 1.38 C Showalter Index: -0.37 C Risk: Thunderstorms probable Total Totals Index: 55.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.70 C Cross Totals Index: 25.80 C K Index: 25.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 381.85 Risk: Showers and thunderstorms possible Energy Index: -0.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.98 J/kg Max Up Vert Vel: 4.47 m/s Conv Inhibition (B-): 171.02 J/kg Cap Strength: 3.00 C Lift Cond Lev (LCL): 797.98 mb = 1976.12 m = 6483.26 ft Lev Free Conv (LFC): 512.98 mb = 5428.30 m = 17809.15 ft Equ Level (EL): 482.98 mb = 5872.22 m = 19265.57 ft B at Equ Level: 9.10 J/kg Max Parcel Lev (MPL): 452.98 mb = 6336.24 m = 20787.94 ft Wind level data Storm motion: 236 at 21 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 ---------------------------------------------------------- 0 899 997 90 7 -7.0 0.0 | 65 27 -24.8 -11.8 1 850 1461 165 26 -6.7 25.1 | 118 28 -24.5 13.3 2 700 3030 200 29 9.9 27.3 | 153 17 -7.9 15.5 3 500 5620 225 27 19.1 19.1 | 190 7 1.3 7.3 4 400 7220 220 43 27.6 32.9 | 205 23 9.8 21.1 5 300 9180 235 37 30.3 21.2 | 233 16 12.5 9.4 6 250 10340 225 49 34.6 34.6 | 216 28 16.8 22.9 7 240 10594 220 55 35.4 42.1 | 210 35 17.5 30.3 8 200 11740 245 37 33.5 15.6 | 256 16 15.7 3.8 9 150 13540 215 42 24.1 34.4 | 196 23 6.3 22.6 10 100 16100 245 35 31.7 14.8 | 258 14 13.9 3.0 11 70 18350 265 30 29.9 2.6 | 307 15 12.1 -9.2 12 50 20480 230 41 31.4 26.4 | 223 20 13.6 14.6 13 30 23710 265 43 42.8 3.7 | 288 26 25.0 -8.0 14 20 26260 270 65 65.0 -0.0 | 284 49 47.2 -11.8 15 10 30580 270 121 121.0 -0.0 | 277 104 103.2 -11.8 Wind Parameters Mean winds (0-6000m): 206.5 at 28.5 knts Storm direction: 236.5 at 21.4 knts Shear (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 310.2 neg: 0.0 tot: 310.2 m^2/s^2 ave: 103.4 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 7.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.14 Bulk Shear: 69.37 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 ------------------------------------------------------------------------------- 500 153 17 98 26| 26.0 0.0 26.0|221.3 0.0 221.3 442.6 0.96| 30.2 29.1 1000 165 22 111 25| 14.2 0.0 14.2|250.2 0.0 250.2 250.2 0.94| 17.8 16.7 1500 172 24 119 24| 10.2 0.0 10.2|275.7 0.0 275.7 183.8 0.92| 13.7 12.6 2000 179 25 126 23| 8.2 0.0 8.2|298.1 0.0 298.1 149.1 0.90| 11.8 10.6 2500 184 26 131 21| 6.6 0.0 6.6|305.1 0.0 305.1 122.0 0.88| 10.0 8.8 3000 188 26 135 20| 5.5 0.0 5.5|310.2 0.0 310.2 103.4 0.87| 8.7 7.6 4000 195 27 142 18| 4.2 0.0 4.2|318.7 0.0 318.7 79.7 0.84| 7.1 6.0 5000 202 27 149 15| 3.7 0.0 3.7|326.2 0.0 326.2 65.2 0.81| 6.4 5.2 6000 206 28 160 15| 3.1 0.9 4.0|332.2 0.0 332.2 55.4 0.71| 6.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251206.00.gif