Good example of evaporative cooling
Posted: Fri Mar 17, 2006 2:40 pm
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1157 AM CST FRI MAR 17 2006
.UPDATE...
FORECAST UPDATE RECENTLY SENT TO LOWER AFTERNOON TEMPS...
PARTICULARLY OVER THE BIG COUNTRY. A RATHER UNIQUE SITUATION WITH
A SHALLOW AND INITIALLY VERY DRY AIRMASS...OVERRUN BY A STRONG LOW LEVEL
JET CARRYING ELEVATED MOISTURE AND CONDITIONAL INSTABILITY NORTH
TO AN ELEVATED FRONT.
IF THE DATA FROM THE SWEETWATER AWOS IS CORRECT...WE WITNESSED AN
IMPRESSIVE CASE OF WETBULB COOLING. 1705Z SWEETWATER OB SHOWED A
TEMPERATURE OF 37 AND A DEWPOINT OF 36. IF CORRECT...THESE
READINGS SHOULD MODERATE CONSIDERABLY THROUGH THE AFTERNOON...AS
THUNDERSTORMS LIFT NORTHEAST OF THE AREA.
NATIONAL WEATHER SERVICE SAN ANGELO TX
1157 AM CST FRI MAR 17 2006
.UPDATE...
FORECAST UPDATE RECENTLY SENT TO LOWER AFTERNOON TEMPS...
PARTICULARLY OVER THE BIG COUNTRY. A RATHER UNIQUE SITUATION WITH
A SHALLOW AND INITIALLY VERY DRY AIRMASS...OVERRUN BY A STRONG LOW LEVEL
JET CARRYING ELEVATED MOISTURE AND CONDITIONAL INSTABILITY NORTH
TO AN ELEVATED FRONT.
IF THE DATA FROM THE SWEETWATER AWOS IS CORRECT...WE WITNESSED AN
IMPRESSIVE CASE OF WETBULB COOLING. 1705Z SWEETWATER OB SHOWED A
TEMPERATURE OF 37 AND A DEWPOINT OF 36. IF CORRECT...THESE
READINGS SHOULD MODERATE CONSIDERABLY THROUGH THE AFTERNOON...AS
THUNDERSTORMS LIFT NORTHEAST OF THE AREA.