Alert archive / Arizona / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 28, 2010, 4:11 PM MST for Maricopa County, Arizona. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 28, 2010, 4:11 PM MST (23:11 UTC)
- Expired
- Jul 28, 2010, 4:48 PM MST
- In force
- 37 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 23:13 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 3:25 PM MST, 46 minutes earlier.
Area forecast discussion, Jul 28, 3:25 PM MST, 46 minutes before
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</html>Hazardous weather outlook, Jul 28, 5:09 AM MST, 11 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 509 AM MST WED JUL 28 2010 AZZ021>024-026>028-291215- WEST CENTRAL DESERTS-NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA- SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- SOUTHWEST DESERTS-SOUTHWEST MARICOPA COUNTY- NORTHWEST AND NORTH CENTRAL PINAL COUNTY- 509 AM MST WED JUL 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL ARIZONA...SOUTH-CENTRAL ARIZONA...SOUTHWEST ARIZONA AND WEST-CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON OVER THE MOUNTAINS OF EASTERN AND SOUTHERN ARIZONA...INCLUDING THE GLOBE-MIAMI AREA...THEN MIGRATE INTO THE CENTRAL ARIZONA DESERTS...INCLUDING THE PHOENIX AREA...THIS EVENING. WITH THE ATMOSPHERE CURRENTLY VERY MOIST HIGH RAINFALL RATES WILL BE POSSIBLE WITH ANY THUNDERSTORM THAT DEVELOPS. STORMS WILL GENERALLY BE SLOW MOVING RAISING THE THREAT OF LOCALIZED FLASH FLOODING. GUSTY WINDS AND FREQUENT LIGHTNING WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY GREATER THUNDERSTORM COVERAGE IS EXPECTED THURSDAY AFTERNOON AND EVENING. HEAVY RAINFALL WITH LOCALIZED FLASH FLOODING WILL REMAIN POSSIBLE AS WELL AS GUSTY WINDS AND FREQUENT LIGHTNING. LESS THUNDERSTORM ACTIVITY IS EXPECTED FRIDAY FOLLOWED BY ANOTHER INCREASE SATURDAY. THE AIRMASS WILL STILL BE VERY MOIST THROUGH SATURDAY MEANING LOCALIZED FLASH FLOODING WILL REMAIN POSSIBLE. THUNDERSTORM ACTIVITY WILL BEGIN TO DECREASE IN COVERAGE SUNDAY THEN BE CONFINED TO THE EASTERN ARIZONA MOUNTAINS MONDAY THROUGH WEDNESDAY. MOISTURE LEVELS WILL LOWER ALLOWING THE FLASH FLOOD THREAT TO DECREASE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS...INCLUDING RAINFALL REPORTS...ACCORDING TO STANDARD OPERATING PROCEDURES. SPOTTER ACTIVATION WILL NOT BE NEEDED. AZZ020-025-CAZ030>033-291215- LOWER COLORADO RIVER VALLEY AZ-YUMA/MARTINEZ LAKE AND VICINITY- JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA- RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY- 509 AM MST WED JUL 28 2010 /509 AM PDT WED JUL 28 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST ARIZONA...EXTREME WEST-CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT NO WEATHER HAZARDS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS WILL BE POSSIBLE SUNDAY AS A LOW PRESSURE SYSTEM MOVES NORTH OUT OF SONORA INTO THE SOUTHWEST U.S. LOCALIZED FLASH FLOODING WILL BE POSSIBLE AS THE ATMOSPHERE WILL BE VERY MOIST. GUSTY WINDS IN EXCESS OF 45 MPH AND FREQUENT LIGHTNING WILL ALSO BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. SPOTTER ACTIVATION WILL NOT BE NEEDED. NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
In the hours before
Special weather statement, Jul 28, 3:51 PM MST, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 351 PM MST WED JUL 28 2010 AZZ024-282315- GILA AZ- 351 PM MST WED JUL 28 2010 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... SOUTH CENTRAL GILA COUNTY IN EAST CENTRAL ARIZONA UNTIL 415 PM MST AT 345 PM MST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 8 MILES SOUTH OF GLOBE...MOVING NORTHWEST AT 10 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS IMPACTED INCLUDE... GLOBE... SOME UNSECURED OBJECTS WILL BE BLOWN AROUND...TREE LIMBS COULD BE SNAPPED OFF AND ISOLATED POWER OUTAGES WILL BE POSSIBLE. SEEK SHELTER INDOORS UNTIL THE STORM PASSES. HEAVY RAIN IS ALSO FALLING WITH THIS STORM...WHICH MAY RESULT IN FLOODING OF LOW-LYING AREAS. MOTORISTS ON HIGHWAY 77 SOUTH OF GLOBE SHOULD TRAVEL WITH CAUTION. LAT...LON 3339 11098 3350 11088 3328 11062 3308 11082 TIME...MOT...LOC 2250Z 129DEG 7KT 3327 11078 WOODALL
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:07 PM MST | Special Weather Statement | PSR | 23 min | |
| Jul 27, 5:12 PM MST | Special Weather Statement | PSR | Gila | 33 min |
| Jul 27, 6:01 PM MST | Special Weather Statement | PSR | Gila | 29 min |
| Jul 27, 6:03 PM MST | Areal Flood Advisory | PSR | Gila | 66 min |
| Jul 27, 6:52 PM MST | Special Weather Statement | PSR | 23 min | |
| Jul 27, 7:23 PM MST | Areal Flood Advisory | PSR | Maricopa, Pinal | 112 min |
| Jul 28, 3:15 PM MST | Flood Watch | PSR | 4 hr | |
| Jul 28, 3:51 PM MST | Special Weather Statement | PSR | Gila | 24 min |
| Jul 28, 4:19 PM MST | Special Weather Statement | PSR | Pinal | 41 min |
| Jul 28, 4:22 PM MST | Areal Flood Advisory | PSR | Maricopa | 113 min |
| Jul 28, 4:34 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 56 min |
| Jul 28, 4:37 PM MST | Areal Flood Advisory | PSR | Gila, Maricopa, Pinal | 113 min |
| Jul 28, 4:59 PM MST | Flash Flood Warning | PSR | Gila | 91 min |
| Jul 28, 4:59 PM MST | Severe Thunderstorm Warning | PSR | Gila | 39 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2010Every severe thunderstorm warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.