Wednesday, July 30, 2008

20080730 Wx Discussion I (1517Z)

COLORADO WEATHER

Denver looks to tie its 18-days-in-a-row 90ºF+ record today. With a huge ridge in place, there's no reason to believe the record won't be tied, broken, and ultimately shattered. It's going to be hot.


MONTANA WEATHER

High wind and low humidity has given cause for the weather service to issue Wind Advisories and Red Flag Warnings for much of Western Montana.

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
737 AM MDT WED JUL 30 2008

.SURFACE PRESSURE GRADIENTS WILL TIGHTEN CONSIDERABLY OVER
WESTERN MONTANA TODAY. WINDS WILL INCREASE THROUGH THE DAY AND
BECOME GUSTY BY AFTERNOON AS UPPER LEVEL WINDS ARE TRANSPORTED
DOWN TO THE SURFACE. PRESSURE GRADIENTS WILL QUICKLY WEAKEN THIS
EVENING AROUND SUNSET AND WINDS WILL DIMINISH.

MTZ007-310200-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
BUTTE/BLACKFOOT REGION-
737 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING..

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING.

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.
LOCALIZED WIND GUSTS TO IN EXCESS OF 50 MPH WILL BE POSSIBLE NEAR
MCDONALD PASS AND NEAR DEER LODGE AND ANACONDA.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.
-----

RED FLAG WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
824 AM MDT WED JUL 30 2008

MTZ110-111-310300-
/O.NEW.KMSO.FW.W.0002.080730T1800Z-080731T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
824 AM MDT WED JUL 30 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE
DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD..

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING.

SUSTAINED WEST TO NORTHWEST WINDS 15-20 MPH WITH PERSISTENT GUSTS
OF 20-30 MPH...LOCALLY UP TO 40 MPH...ARE EXPECTED THIS AFTERNOON
AND EARLY EVENING. THESE WINDS COMBINED WITH LOW RELATIVE HUMIDITIES
OF 10-15% THIS AFTERNOON WILL PRODUCE RED FLAG CONDITIONS.


A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$




Dann.

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