Alert archive / Arizona / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 49, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 6, 2002, 7:13 PM MST for Maricopa County, Arizona. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 6, 2002, 7:13 PM MST (02:13 UTC)
- Expired
- Sep 6, 2002, 7:45 PM MST
- In force
- 32 min
- Issued by
- NWS Phoenix, AZ
- Area
- Counties, with a storm outline in the text
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 30 km from the middle of the area, began a volume at 02:17 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
Phoenix, AZ (KPSR), launched 00:00Z, 2.2 hours before the alert went out and 4 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
- 129 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 2528 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS55 KPSR 070213 CCA
SVRPSR
AZC013-070245-
BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
707 PM MST FRI SEP 6 2002
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA
* UNTIL 745 PM MST
* AT 707 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS OVER GUADALUPE AND SUN LAKES...MOVING
NORTHEAST AT 20 MPH. THESE STORMS WERE MOVING TOWARD CHANDLER...
TEMPE...AND MESA AREAS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN PHOENIX.
LAT...LON 3336 11226 3322 11206 3324 11161 3353 11162
3367 11201The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 5:15 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 45 min |
| Sep 6, 7:08 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 37 min |
| Sep 6, 11:19 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 56 min |
| Sep 7, 10:13 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 47 min |
| Sep 7, 2:38 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 37 min |
| Sep 7, 2:45 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 45 min |
| Sep 7, 3:14 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 46 min |
| Sep 7, 3:27 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 48 min |
| Sep 7, 3:57 PM MST | Tornado Warning | PSR | Maricopa | 48 min |
| Sep 7, 3:57 PM MST | Tornado Warning | PSR | Maricopa | 48 min |
| Sep 7, 4:08 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 37 min |
| Sep 7, 4:43 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 47 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2002Every severe thunderstorm warning in 2002
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.