Thursday, September 15, 2011

Northern Minnesota's Coldest Temperature So Early in Season

Image (click to enlarge): Median date of first freezing temperature, from Midwestern Regional Climate Center, via National Weather Service

The low temperature of 19° this morning at International Falls, Minnesota was the coldest ever reported so early in the season and an all-time record low for September. The National Weather Service reports:
The low temperature at 7:06 am this morning at International Falls was 19 degrees. This breaks the record low for a September 15th, 24 degrees, set in 1964. This is the coldest temperature reported for so early in the season. This also marks the first time in station history that a temperature in the teens has been recorded in the month of September.
The low temperature at Embarrass also reached 19°. The low of 36° at Minneapolis tied the record for the date from 1964 and 2007. The 29° at Eau Claire broke the record of 30° from 2007. Other record lows included:
Rochester MN          31 
Prairie Du Chein WI 27
Viroqua WI 31
The record lows follow a near-record streak of 80° days at Duluth ending Monday:
Today, September 12th, marks the 5th consecutive day of an 80 degree temperature at Duluth. Only two other stretches have been as long or longer than this in the month of September. Six consecutive days above 80 is the record set in 1906, September 5-10. The other 5 day string was in 1948 from September 1-5.

Tuesday, September 13, 2011

Dallas Breaks Annual 100° Day Record;
Houston and Austin Extend Records

Image (click to enlarge): Number of 100° temperature days at Houston and elsewhere in southeastern Texas

5 PM CDT Update: The preliminary high temperature at Dallas was 107°, smashing the old daily record by 7°.

Also breaking a record by a wide margin was Houston, where the 102° high crushed the 99-year-old record of 98° from 1912. This year has now had both the earliest (June 5) and latest 102° temperatures in a calendar year at Houston. This is the 45th day of 100° temperatures at Houston, breaking the old record of 32 by almost 2 weeks.

The Austin high of 105° broke another long-standing record, exceeding the 100° in 1918. It was the 7th 100° day at Austin this month and the 84th this year, extending the record more than 2 weeks beyond the old record of 69. The record was broken on August 24.

Original post:
The Dallas temperature reached 101° at 1 pm CDT today, breaking the record for yearly number of days with 100° temperatures. The old record was 69 in 1980. This also breaks the old record high temperature for the date of 100° set in 1965. If the forecast high of 106° is reached, it will break the record by 6°.

This is also the 86th day of 100° or higher at Waco, exceeding the 1980 record of 63 days by over 3 weeks.

Seasonal Outlook

Latest seasonal forecast: Click here.

Latest 3-month temperature outlook from Climate Prediction Center/NWS/NOAA.