Alert archive / Arizona / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 7, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 13, 2003, 4:23 PM MST for Gila 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 outline as issued.
The facts
- Issued
- Jul 13, 2003, 4:23 PM MST (23:23 UTC)
- Expired
- Jul 13, 2003, 5:00 PM MST
- In force
- 37 min
- Issued by
- NWS Phoenix, AZ
- Area
- Counties, with a storm outline in the text
County Gila County, AZ
The radar
The Phoenix radar (KIWA), 84 km from the middle of the area, began a volume at 23:22 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 12:00Z, 11.4 hours before the alert went out and 111 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
- 457 J/kg
- Mixed-layer CIN
- -660 J/kg
- Mixed-layer LCL
- 2725 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -88 m²/s²
- 0-3 km storm-relative helicity
- -56 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 132323 SVRPSR AZC007-140000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 420 PM MST SUN JUL 13 2003 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GILA COUNTY IN EAST CENTRAL ARIZONA * UNTIL 500 PM MST * AT 420 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTH OF GLOBE...MOVING SOUTHWEST AT 20 MPH. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE GLOBE... CLAYPOOL...AND MIAMI. DAMAGING MICROBURST WINDS...HAIL...AND LOCALLY HEAVY RAIN IS POSSIBLE. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. 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 3341 11066 3354 11077 3343 11095 3330 11085 $$
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 13, 3:30 PM MST, 53 minutes earlier.
Area forecast discussion, Jul 13, 3:30 PM MST, 53 minutes before
AZZ020>028-CAZ030>033-140545-
SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
330 PM MST SUN JUL 13 2003
.SYNOPSIS...
STRONG HIGH PRESSURE CENTERED OVER ARIZONA IS EXPECTED TO RESULT IN
ONE MORE DAY OF NEAR RECORD HIGH TEMPERATURES. THEN...THE HIGH
PRESSURE SYSTEM WILL SHIFT NORTHEAST TO NEAR THE 4 CORNERS. THUS...
SHOWERS AND THUNDERSTORMS THAT DEVELOP OVER SOUTH-CENTRAL ARIZONA
THIS WEEK ARE EXPECTED TO SPREAD WEST TO SOUTHEAST CALIFORNIA BY LATE
WEEK IN A FLOW ALOFT FROM THE SOUTHEAST. THERE WILL ALSO BE AREAS OF
BLOWING DUST AND LOWER TEMPERATURES. RELATIVELY HUMID AIR IS EXPECTED
THIS WEEK.
.DISCUSSION...
MID AFTERNOON SURFACE TEMPERATURES WERE A FEW DEGREES HIGHER TODAY
COMPARED WITH THE SAME TIME YESTERDAY. LITTLE CHANGE IS ANTICIPATED
FOR MONDAY. THUS...WILL CONTINUE THE HEAT ADVISORY. THERE WAS NEARLY
AS MUCH MOISTURE IN SOUTH-CENTRAL ARIZONA THIS AFTERNOON AS
YESTERDAY. THUS...HAVE A SCATTERED SHOWERS AND THUNDERSTORMS AGAIN
FOR SOUTHERN GILA COUNTY THIS EVENING WITH ISOLATED SHOWERS AND
THUNDERSTORMS WITH BLOWING DUST MOVING INTO THE SOUTH-CENTRAL DESERT
AREAS INCLUDING PHOENIX THIS EVENING. A MORE SIGNIFICANT INCREASE IN
MOISTURE IS ANTICIPATED THIS WEEK AS THE HIGH PRESSURE CENTER OVER
ARIZONA SHIFTS NORTHEAST. ALSO...ADDITIONAL GULF OF CALIFORNIA
MOISTURE IS EXPECTED BEGINNING MONDAY. THERE WILL BE A BETTER
POSSIBILITY OF SHOWERS AND THUNDERSTORMS...DEVELOPING WEST INTO
SOUTHEAST CALIFORNIA DURING THE LAST HALF OF THE WEEK.
.PSR...HEAT ADVISORY FOR SOUTH-CENTRAL ARIZONA DESERT ZONES 22...23
27...AND 28...MARICOPA COUNTY INCLUDING THE GREATER PHOENIX
AREA...AND NORTHWEST AND NORTH-CENTRAL PINAL COUNTY MONDAY.Hazardous weather outlook, Jul 13, 6:00 AM MST, 10 hours 23 minutes before
AZZ020>028-CAZ030>033-140100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 600 AM MST SUN JUL 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA...AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY VERY HOT WEATHER WILL PREVAIL TODAY WITH SOME NEW RECORD HIGHS EXPTECTED TO BE ESTABLISHED. A HEAT ADVISORY REMAINS IN EFFECT FOR THE SOUTH-CENTRAL DESERTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY HOT WEATHER WILL CONTINUE MONDAY WITH A HEAT ADVISORY IN EFFECT FOR THE SOUTH-CENTRAL DESERTS. A GRADUAL LOWERING OF TEMPERATURES IS ANTICIPATED THROUGHOUT THE REST OF THE WEEK...BUT INCREASING RELATIVE HUMIDITIES WILL OFFSET THIS SOMEWHAT.
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 5:37 PM MST | Severe Thunderstorm Warning | PSR | Gila | 38 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2003Every severe thunderstorm warning in 2003
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.