The month of November 2008 was cooler and wetter than normal. This continued a trend, which began in September,. Compared with November 2008, the month was 3.4 deg. Cooler, and 4.35 inches wetter. Year-to-date rainfall through month's end was 1.95 inches greater in 2008 than in 2007. The thirty-day outlook had called for above normal temperatures and below normal precipitation the exact opposite of what occurred.
The week October 26-November 1saw temperatures about 4 degrees below normal, and no rainfall. A strong cold front crossed the region on the evening of the 26th, and held temperatures below normal until the 30th. Tyler observed its first freeze on the morning of the 28th 18 days early. This closed the 2008 growing season at 235 days 10 days short of normal. During the week's last two days, temperatures climbed as Tropical Maritime air returned. There were a few showers with the front of the 26th, and again with a crossing disturbance on the 1st. The week's average temperature was 58.6 deg. This was 2.7 deg. Cooler than the previous week. Compared with the same week in 2007, the week was 3.7 deg. Cooler. There was no rain during the same week in 2007, either.
The week November 2-8 saw temperatures about a degree above normal, and rainfall about one-third normal. A cold front crossed on the 6th, bringing the week's only rainfall. The front ended the mild readings of the early-week, returning temperatures closer to seasonal normals for the week's end. Surface and upper air high pressure controlled the region's weather daily except for the crossing trough with the cold front. The week's average temperature was 61.7 deg., and rainfall was 0.30 inch. This was 3.1 deg. Warmer than the previous week. Compared with the same week in 2007, the week was 1.6 deg. Cooler, and there was no rain in 2007.
The week November 9-15 saw temperatures about 3 degrees below normal, and rainfall about 450 percent of normal. Heavy rains of between one and eight inches fell in the area from late on the 10th through the morning of the 12th. These were caused by a slow-moving and powerful upper air low, intersecting a weak cold front and strong flow of moisture in the lower atmosphere from the Gulf of Mexico. The weak cold front with that system held temperatures near normal, until a strong cold front arrived on the 14th. This resulted in well-below normal temperatures for the weekend, and strong winds from the night of the 14th through the afternoon of the 15th. The week's average temperature was 55.7 deg., which was 6.0 deg. Cooler than the previous week. Rainfall was 4.75 inches. Compared with the same week in 2007, the week was 7.9 deg. Cooler, and 4.73 inches wetter.
The week November 16-22 saw temperatures about 6 degrees below normal, and no rainfall. A general freeze occurred in the region on the morning of the 16th. Scattered locations over the north and east had experienced a freeze on October 28 and 29; that of the 16th was the first freeze of the season for locations in the south and east. In Tyler, temperatures were below freezing for about seven hours. Temperatures warmed on the 17th, then cooled following strong cold fronts on the 18th and 20th, with windy conditions behind both fronts. The week's average temperature was 49.5 deg., which was 6.2 deg. Cooler than the previous week. Compared with the same week in 2007, the week was 5.6 deg. Cooler, and 1.50 inches drier.
The week November 23-29 saw near normal temperatures, and rainfall about 150 percent of normal. Cold fronts crossed on the 24th and 28th, with a brief warm-up in between. Both fronts produced rain, with that of the 28th producing up to four inches southeast of Tyler. The week's average temperature was 54.5 deg., 5.0 deg. Warmer than the previous week. Rainfall was 1.67 inches. Compared with the same week in 2007, the week was 2.7 deg. Warmer, and 0.82 inch wetter. The month ended cool and windy as an upper air storm brought strong northwest winds which mixed down to the surface.
The reporting period for temperatures and phenomenon on each day is for the twenty-four hours ending at midnight hours GMT--6 p.m. CST and 7 p.m. CDT. The reporting period for precipitation is for the twenty-four hours ending at noon GMT--6 a.m. CST and 7 a.m. CDT. All times are given using the twenty-four hour clock, and are expressed in Greenwich Mean Time.
Observations are from NWS Station 41/9207/4 in Tyler, Texas. The term "normal" refers to averages from the standard climatic period 1971-2000.
MX MN OBS PCPN REMARKS
November 2008, RECORDS AND SUMMARY: