Alert archive / Arizona / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 44, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 5, 2008, 9:31 PM MST for Maricopa County, Arizona. It was in force for 45 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
- Aug 5, 2008, 9:31 PM MST (04:31 UTC)
- Expired
- Aug 5, 2008, 10:16 PM MST
- In force
- 45 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 04:33 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 00:00Z, 4.5 hours before the alert went out and 198 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
- 983 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1807 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 Aug 5, 7:02 PM MST, 2 hours 29 minutes earlier.
Area forecast discussion, Aug 5, 7:02 PM MST, 2 hours 29 minutes before
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</html>Hazardous weather outlook, Aug 5, 5:47 AM MST, 15 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 547 AM MST TUE AUG 5 2008 AZZ022>024-027-028-060500- NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA- SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY- 547 AM MST TUE AUG 5 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL ARIZONA AND SOUTH-CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS ACROSS SOUTH-CENTRAL ARIZONA THIS AFTERNOON AND INTO TONIGHT. ANY THUNDERSTORM THAT DEVELOPS WILL LIKELY BE A SLOW MOVER AND PRODUCE HEAVY RAINFALL... WHICH RAISES THE POSSIBILITY OF PONDING OF WATER ON ROADWAYS AND LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY INCREASES CHANCES FOR SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET ATWEATHER.GOV/PHOENIX AZZ020-021-CAZ030>032-060500- LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS- JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA- RIVERSIDE COUNTY/EASTERN DESERTS- 547 AM MST TUE AUG 5 2008 /547 AM PDT TUE AUG 5 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME WEST- CENTRAL ARIZONA...WEST-CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS ACROSS PRIMARILY ACROSS THE MOUNTAINS OF SOUTHEAST CALIFORNIA AND SOUTHWEST ARIZONA THIS AFTERNOON AND INTO THIS EVENING. ANY THUNDERSTORM THAT DEVELOPS WILL LIKELY BE A SLOW MOVER. WITH A RATHER MOIST AND UNSTABLE AIRMASS IN PLACE...HEAVY RAINFALL WILL BE A POSSIBILITY WHICH COULD LEAD TO LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX INIGUEZ
In the hours before
Special weather statement, Aug 5, 5:14 PM MST, 4 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 514 PM MST TUE AUG 5 2008 AZZ024-060100- SOUTHERN GILA/TONTO NF FOOTHILLS- 514 PM MST TUE AUG 5 2008 ...STRONG THUNDERSTORMS AFFECTING SOUTH CENTRAL GILA COUNTY... AT 511 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG STORMS 9 MILES SOUTHWEST OF PERIDOT NEAR SAN CARLOS LAKE...MOVING NORTHEAST AT 9 MPH. THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS OF 45 TO 55 MPH. BOATERS ARE ESPECIALLY VULNERABLE TO LIGHTNING. GET TO SHORE AT THE FIRST SIGN OF LIGHTNING THEN SEEK SHELTER IN A BUILDING OR ENCLOSED VEHICLE AS QUICKLY AS POSSIBLE.
Special weather statement, Aug 5, 9:07 PM MST, 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 907 PM MST TUE AUG 5 2008 AZZ023-060445- GREATER PHOENIX AREA- 907 PM MST TUE AUG 5 2008 ...STRONG THUNDERSTORMS AFFECTING CENTRAL MARICOPA COUNTY... AT 906 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG STORM OVER CENTRAL MARICOPA COUNTY NEAR SKY HARBOR AIRPORT...MOVING WEST AT 5 MPH. THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS OF 45 TO 55 MPH. SOME UNSECURED OBJECTS WILL BE BLOWN AROUND...TREE LIMBS COULD BE SNAPPED OFF AND ISOLATED POWER OUTAGES WILL BE POSSIBLE. BLOWING DUST WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE STORM PASSES. HIRSCH
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 6:22 PM MST | Areal Flood Advisory | PSR | Maricopa | 113 min |
| Aug 5, 8:35 PM MST | Areal Flood Advisory | PSR | Maricopa | 115 min |
| Aug 5, 9:40 PM MST | Areal Flood Advisory | PSR | Maricopa | 110 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2008Every severe thunderstorm warning in 2008
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.