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WeatherMatrix
© 2002 WeatherMatrix.Net - Redistribution
Prohibited. Usage logged.
From: Ronnie Prcin (rprcin{at}vvm.com)
Date: Mon Jun 03 2002 - 23:02:40 EDT
Thought this was interesting...temperature rising to 90 degrees in Amarillo at
3:20 in the morning due to a heat burst..
NOUS44 KAMA 031337
PNSAMA
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
835 AM CDT MON JUN 3 2002
...HOT NIGHT IN THE PANHANDLES...
THE LOW TEMPERATURE AT AMARILLO INTERNATIONAL AIRPORT LAST NIGHT
DROPPED TO 70 DEGREES AT 745 AM. THE PREVIOUS RECORD WARM MINIMUM
TEMPERATURE WAS 68 DEGREES IN 1933. IF WE DO NOT DROP FURTHER BY
MIDNIGHT...THIS WILL BE A RECORD HIGH MINIMUM.
ALSO...AT 321 AM...THE TEMPERATURE CLIMBED TO 90 DEGREES DURING A
HEAT BURST. THE WINDS ALSO HIT 55 MILES PER HOUR AT 0326 AM.
BILODEAU
I was not familiar with a heat burst and found the following during a brief
research...
A SHARP RISE IN TEMPERATURE WITH A SHARP DROP IN THE RELATIVE HUMIDITY OR DEW
POINT TEMPERATURE JUST BEFORE THE STRONG WINDS. THIS RAPID CHANGE IN TEMPERATURE
AND HUMIDITY IS USUALLY THE RESULT OF DRY AIR DESCENDING FROM DECAYING
THUNDERSTORMS OR SHOWERS. HEAT BURSTS ARE USUALLY QUITE RARE AND ARE MOST
NOTICEABLE AT NIGHT DURING NOCTURNAL COOLING.
Ronnie
KD5KKJ
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