Alert archive / Arizona / Areal Flood Advisories in 2012
Areal Flood Advisory 113, NWS Tucson, AZ
NWS Tucson, AZ issued this areal flood advisory at Sep 4, 2012, 7:56 AM MST for Pima County, Arizona. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 4, 2012, 7:56 AM MST (14:56 UTC)
- Expired
- Sep 4, 2012, 11:00 AM MST
- In force
- 3 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 14:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 2.9 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 46 J/kg
- Mixed-layer CIN
- -288 J/kg
- Mixed-layer LCL
- 1563 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood 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 areal flood advisory went out at Sep 4, 1:45 AM MST, 6 hours 11 minutes earlier.
Area forecast discussion, Sep 4, 1:45 AM MST, 6 hours 11 minutes before
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</html>Hazardous weather outlook, Sep 3, 11:20 AM MST, 20 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE TUCSON AZ 1120 AM MST MON SEP 3 2012 CORRECTION TO ADD SECOND PARAGRAPH IN DAY TWO THRU SEVEN SECTION AZZ503-507-508-513-040600- UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- 1120 AM MST MON SEP 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT MOISTURE VALUES HAVE INCREASED IN THE PAST 24 HOURS AND COMBINED WITH A WEAK UPPER LEVEL DISTURBANCE MOVING NORTH ACROSS NORTHERN SONORA MEXICO...EXPECTED WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THE STRONGER STORMS WILL PRODUCE HEAVY RAIN AND WIND GUSTS TO 50 MPH. LOCALIZED RAINFALL TOTALS OF ONE TO TWO INCHES WILL INCREASE THE CHANCES FOR FLASH FLOODING TO OCCUR. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY DEEPER MOISTURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THUS EXPECT TYPICAL SUMMER THUNDERSTORM ACTIVITY. MAIN THREAT FROM STORMS WILL BE HEAVY RAIN AND WIND GUSTS TO 45 MPH. THERE WILL BE FLASH FLOODING CONCERNS BOTH TUESDAY AND WEDNESDAY. SOME DRIER AIR PUSHES IN THURSDAY INTO THE WEEKEND...BUT ENOUGH MOISTURE WILL BE AROUND FOR A CHANCE OF STORMS EACH AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ502-515-040600- TOHONO O'ODHAM NATION-BABOQUIVARI MOUNTAINS- 1120 AM MST MON SEP 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL BE DEVELOPING THIS AFTERNOON AND CONTINUING INTO THE EVENING HOURS. AS HAS BEEN THE CASE FOR THE PAST COUPLE OF DAYS...SOME OF THESE STORMS WILL CAPABLE OF PRODUCING HEAVY RAIN AND WIND GUSTS TO 50 MPH. ISOLATED AREAS OVER THE PAST COUPLE OF EVENINGS HAVE RECEIVED UP TO TWO INCHES OF RAIN...SO ANY ADDITIONAL RAINFALL WILL BRING ABOUT FLASH FLOODING ISSUES. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY DEEPER MOISTURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THUS EXPECT TYPICAL SUMMER THUNDERSTORM ACTIVITY. MAIN THREAT FROM STORMS WILL BE HEAVY RAIN AND WIND GUSTS TO 45 MPH. THERE WILL BE FLASH FLOODING CONCERNS BOTH TUESDAY AND WEDNESDAY. SOME DRIER AIR PUSHES IN THURSDAY INTO THE WEEKEND...BUT ENOUGH MOISTURE WILL BE AROUND FOR A CHANCE OF STORMS EACH AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ504>506-514-040600- TUCSON METRO AREA-SOUTH CENTRAL PINAL COUNTY- SOUTHEAST PINAL COUNTY-CATALINA AND RINCON MOUNTAINS- 1120 AM MST MON SEP 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL BE DEVELOPING THIS AFTERNOON AND CONTINUING INTO THE EVENING HOURS. MAIN THREAT FROM STORMS WILL BE WIND GUSTS TO 50 MPH AND BRIEF HEAVY RAIN WHICH MAY CAUSE MINOR FLOODING ISSUES. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY DEEPER MOISTURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THUS EXPECT TYPICAL SUMMER THUNDERSTORM ACTIVITY. MAIN THREAT FROM STORMS WILL BE HEAVY RAIN AND WIND GUSTS TO 45 MPH. THERE WILL BE FLASH FLOODING CONCERNS BOTH TUESDAY AND WEDNESDAY. SOME DRIER AIR PUSHES IN THURSDAY INTO THE WEEKEND...BUT ENOUGH MOISTURE WILL BE AROUND FOR A CHANCE OF STORMS EACH AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ501-040600- WESTERN PIMA COUNTY- 1120 AM MST MON SEP 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS THIS AFTERNOON...THEN A BETTER CHANCE TONIGHT AS STORMS IN CENTRAL PIMA COUNTY PUSH WEST AS FAR AS STATE HIGHWAY 86. MAIN THREAT FROM STORMS INITIALLY WILL BE BLOWING DUST FROM THUNDERSTORM OUTFLOW TO THE EAST...THEY LOCALLY HEAVY RAIN AND WIND GUSTS TO 45 MPH AS STORMS PUSH WEST ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY DEEPER MOISTURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THUS EXPECT TYPICAL SUMMER THUNDERSTORM ACTIVITY. MAIN THREAT FROM STORMS WILL BE HEAVY RAIN AND WIND GUSTS TO 45 MPH. THERE WILL BE FLASH FLOODING CONCERNS BOTH TUESDAY AND WEDNESDAY. SOME DRIER AIR PUSHES IN THURSDAY INTO THE WEEKEND...BUT ENOUGH MOISTURE WILL BE AROUND FOR A CHANCE OF STORMS EACH AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ509>512-040600- UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- 1120 AM MST MON SEP 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. LOCALLY HEAVY RAIN AND WIND GUSTS TO 45 MPH ARE MAIN CONCERNS WITH STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY DEEPER MOISTURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THUS EXPECT TYPICAL SUMMER THUNDERSTORM ACTIVITY. MAIN THREAT FROM STORMS WILL BE HEAVY RAIN AND WIND GUSTS TO 45 MPH. THERE WILL BE FLASH FLOODING CONCERNS BOTH TUESDAY AND WEDNESDAY. SOME DRIER AIR PUSHES IN THURSDAY INTO THE WEEKEND...BUT ENOUGH MOISTURE WILL BE AROUND FOR A CHANCE OF STORMS EACH AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. WEATHER.GOV/TUCSON
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 5:03 PM MST | Special Weather Statement | TWC | Cochise | 42 min |
| Sep 3, 5:19 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 41 min |
| Sep 3, 5:21 PM MST | Flash Flood Warning | TWC | Cochise | 114 min |
| Sep 3, 5:34 PM MST | Special Weather Statement | TWC | Santa Cruz | 41 min |
| Sep 3, 6:17 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 43 min |
| Sep 3, 6:39 PM MST | Special Weather Statement | TWC | Graham | 51 min |
| Sep 3, 6:41 PM MST | Flash Flood Warning | TWC | Cochise | 79 min |
| Sep 3, 8:39 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Sep 4, 6:24 AM MST | Areal Flood Advisory | TWC | Pima | 111 min |
| Sep 4, 4:09 PM MST | Special Weather Statement | TWC | Graham | 51 min |
Nearby
Areal Flood Advisories in Arizona, 2012Every areal flood advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.