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June 2006 - Report and Summary

The month of June 2006 saw near normal temperatures and below normal precipitation. Severe drought returned after rainfall in the late-Winter and early-Spring had eased conditions somewhat. The first half of the month was warmer than the last half. This is because upper air high pressure was over the region nearly continuously through mid-month, while the ridge weakened during the latter half. This permitted a couple of unseasonably strong cold fronts to enter the area. Compared with June 2005, the month was 2.2 degrees cooler, and 0.15 inch drier. Year-to-date rainfall through June 30 was 4.95 inches greater in 2006 than in 2005. The thirty-day outlook for June 2006 had called for above normal temperatures and near normal precipitation.

The week May 28-June 3 saw temperatures about 3 degrees warmer than normal and rainfall about 20 percent of normal. Tropical Maritime air moved into the region on the 28th. This combined with active sea- breeze fronts and upper air support to bring numerous showers and thunderstorms to the region through the 1st. Rainfall in Tyler, however, was negligible occurring only on the afternoon of the 1st. The very moist air held down daytime temperatures slightly, and raised overnight readings. Tropical Continental air and upper air high pressure returned on the 2nd. The week's average temperature was 79.6 deg., and rainfall was 0.13 inch. The week was 0.3 deg. Cooler than the previous week. Compared with the same week in 2005, the week was 2.3 deg. Warmer, and 0.06 inch wetter.

The week June 4-10 was about 5 degrees warmer than normal, and rainfall was minimal. A weak disturbance, crossing on the 4th and 5th, brought the week's only rainfall. Otherwise, upper air high pressure was in control, causing very warm daytime temperatures. The week's average temperature was 81.6 deg., and precipitation was 0.01 inch. This was 2.0 deg. Warmer than the previous week. Compared with the same week in 2005, the week was 1.3 deg. Cooler, and 0.65 inch drier.

The week June 11-17 saw temperatures about 1 degree warmer than normal, and rainfall about 75 percent of normal. The week began very warm and dry. A cold front on the 13th lowered temperature back to near normal values. A storm system crossed on the 16th and 17th, bringing the week's rain. Precipitation was general over the area, with heavier amounts over the extreme north and south. The week's average temperature was 81.0 deg., and precipitation was 0.68 inch. The week was 1.0 deg. Cooler than the previous week. Compared with the same week in 2005, the week was 1.9 deg. Cooler, and 0.12 inch drier.

The week June 18-24 saw near normal temperatures and rainfall about two-thirds normal. A storm system moved out on the 18th, with widespread showers and thunderstorms. The weak front which followed the system lowered nighttime temperatures, and moist soils and vegetation held down daytime temperatures for a couple of days. Late in the week, another upper air storm and cold front affected the area. There were scattered showers and thunderstorms on the 23rd and 24th, with activity concentrating mainly along and north of IH-20. Rainfall amounts were spotty with about 50 percent areal coverage. A few stations received nearly two inches of rain under the stronger thunderstorms. The week's average temperature was 81.2 deg., which was 0.2 deg. Warmer than the previous week. Precipitation was 0.50 inch. Compared with the same week in 2005, the week was 0.5 deg. Cooler, and there was no rainfall during the week last year.

The final six days of the month were dry. A cold front and accompanying high pressure ridge began affecting the area on the 26th, lowering temperatures and relative humidities. The dry atmosphere in the bottom 5,000 feet prevented rainfall formation.

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.

June 2006

MX MN OBS PCPN REMARKS

June 2006, RECORDS AND SUMMARY:

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