Alert archive / Arizona / Frost Advisories in 2007

Frost Advisory 1, NWS Tucson, AZ

January 21, 2007

NWS Tucson, AZ issued this frost advisory at Jan 21, 2007, 11:55 PM MST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2007, 11:55 PM MST (06:55 UTC)
Expired
Jan 22, 2007, 9:00 AM MST
In force
9 hr
Issued by
NWS Tucson, AZ

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this frost advisory went out at Jan 21, 9:30 PM MST, 2 hours 25 minutes earlier.

Area forecast discussion, Jan 21, 9:30 PM MST, 2 hours 25 minutes before
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Hazardous weather outlook, Jan 21, 5:15 PM MST, 6 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
515 PM MST SUN JAN 21 2007

AZZ019-030-221100-
NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-
515 PM MST SUN JAN 21 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

...HEAVY SNOW WARNING IN EFFECT FROM 5 PM MST THIS EVENING TO 5 PM
MST MONDAY ABOVE 3500 FEET...

.DAY ONE...TODAY AND TONIGHT

A HEAVY SNOW WARNING IS IN EFFECT FROM 5 PM MST THIS EVENING UNTIL 5
PM MST MONDAY ABOVE 3500 FEET. SEE WSWTWC /WMO HEADER WWUS45 KTWC/
FOR MORE INFORMATION.

A STRONG AND COLD WINTER STORM SYSTEM WILL MOVE ACROSS SOUTHEAST
ARIZONA TONIGHT. SNOWFALL WILL INCREASE IN INTENSITY AND EXPAND
SOUTHWARD TONIGHT INTO MONDAY. THE HEAVIEST SNOWFALL IS EXPECTED TO
OCCUR IN THE WHITE MOUNTAINS OF NORTHERN GREENLEE COUNTY AND THE
PINALENO MOUNTAINS OF CENTRAL GRAHAM COUNTY. STORM TOTAL SNOWFALL
AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED BETWEEN 3500 AND 5000
FEET...WITH 10 TO 18 INCHES EXPECTED ABOVE 8500 FEET THROUGH MONDAY
AFTERNOON. IN ADDITION TO THE SNOWFALL...STRONG GUSTY WINDS WILL
RESULT IN AREAS OF BLOWING SNOW...REDUCING VISIBILITIES AT TIMES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THIS SYSTEM WILL PUSH INTO NORTHERN MEXICO MONDAY AFTERNOON...WITH
DECREASING CHANCES OF ADDITIONAL SNOWFALL EXPECTED MONDAY EVENING
FOR NORTHERN GREENLEE COUNTY AND THE UPPER GILA RIVER VALLEY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ035-221100-
COCHISE COUNTY-
515 PM MST SUN JAN 21 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

...HEAVY SNOW WARNING IN EFFECT FROM 5 PM THIS EVENING TO 5 PM MST
MONDAY ABOVE 3500 FEET...

.DAY ONE...TODAY AND TONIGHT

A HEAVY SNOW WARNING IS IN EFFECT FROM 5 PM MST THIS EVENING TO
5 PM MST MONDAY ABOVE 3500 FEET. SEE WSWTWC /WMO HEADER WWUS45
KTWC/ FOR MORE INFORMATION.

A STRONG AND COLD WINTER STORM SYSTEM WILL MOVE ACROSS SOUTHEAST
ARIZONA TONIGHT. SNOWFALL WILL INCREASE IN INTENSITY THIS
EVENING...WITH THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR AFTER
MIDNIGHT TONIGHT INTO MONDAY AFTERNOON...ESPECIALLY IN THE
CHIRICAHUA MOUNTAINS. STORM TOTAL SNOWFALL AMOUNTS OF 3 TO 5 INCHES
ARE EXPECTED BETWEEN 3500 AND 5000 FEET...WITH 10 TO 18 INCHES
EXPECTED ABOVE 8500 FEET THROUGH MONDAY AFTERNOON.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THIS SYSTEM WILL PUSH INTO NORTHERN MEXICO MONDAY AFTERNOON. THIS
LOCATION WILL STILL BRING ENHANCED SNOWFALL TO THE CHIRICAHUA
MOUNTAINS MONDAY EVENING...WITH DECREASING CHANCES OF ADDITIONAL
SNOWFALL EXPECTED EARLY TUESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ029-033-034-221100-
SOUTHEAST PINAL COUNTY-TUCSON METRO/MARANA/GREEN VALLEY-
SANTA CRUZ COUNTY-
515 PM MST SUN JAN 21 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARIZONA AND SOUTHEAST ARIZONA.

...SNOW ADVISORY IN EFFECT FROM 5 PM THIS EVENING TO 5 PM MST
MONDAY ABOVE 2500 FEET...

.DAY ONE...TODAY AND TONIGHT

A SNOW ADVISORY IS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 5 PM
MST MONDAY ABOVE 2500 FEET. SEE WSWTWC /WMO HEADER WWUS45 KTWC/
FOR MORE INFORMATION.

A STRONG AND COLD WINTER STORM SYSTEM WILL BRING SNOW TO MUCH OF THE
AREA TONIGHT INTO MONDAY. SNOW LEVELS WILL BE NEAR 2500 FEET THIS
EVENING...AND REMAIN NEAR 2500 FEET OVERNIGHT. STORM TOTAL SNOWFALL
AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED BETWEEN 3000 AND 5000 FEET...5
TO 10 INCHES BETWEEN 5000 AND 8000 FEET...WITH 8 TO 12 INCHES
EXPECTED ABOVE 8000 FEET THROUGH MONDAY AFTERNOON. SNOW
ACCUMULATIONS UP TO 2 INCHES WILL ALSO BE POSSIBLE BETWEEN 2500 AND
3000 FEET...WHICH INCLUDES PORTIONS OF THE TUCSON METRO AREA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THIS SYSTEM WILL PUSH INTO NORTHERN MEXICO MONDAY AFTERNOON...WITH
DECREASING CHANCES OF ADDITIONAL SNOWFALL EXPECTED MONDAY
AFTERNOON INTO MONDAY EVENING FOR SOUTHEAST PINAL...EASTERN PIMA
AND SANTA CRUZ COUNTIES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 5:10 AM MSTDense Fog AdvisoryTWC4 hr
Jan 22, 9:23 AM MSTWinter Storm WarningTWC4 hr
Jan 22, 1:05 PM MSTFrost AdvisoryTWC20 hr
Jan 22, 1:05 PM MSTFreeze WarningTWC20 hr
Jan 22, 1:05 PM MSTWinter Weather AdvisoryTWC13 hr

Nearby

Frost Advisories in Arizona, 2007Every frost advisory in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.