Alert archive / Arizona / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 27, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 22, 2002, 3:06 PM MST for Gila County, Arizona. It was in force for 39 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 22, 2002, 3:06 PM MST (22:06 UTC)
- Expired
- Jul 22, 2002, 3:45 PM MST
- In force
- 39 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
The radar
The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 22:08 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, 10.1 hours before the alert went out and 181 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
- 146 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 1865 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
410 WUUS55 KPSR 222206 SVRPSR AZC007-222245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 304 PM MST MON JUL 22 2002 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GILA COUNTY IN EAST CENTRAL ARIZONA * UNTIL 345 PM MST * AT 300 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES EAST OF GLOBE... MOVING NORTHWEST AT 35 MPH. GLOBE...MIAMI...AND CLAYPOOL ARE IN THE PATH OF THIS SEVERE THUNDERSTORM. LARGE HAIL AND HEAVY RAIN IS POSSIBLE. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN PHOENIX.
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 22, 10:30 AM MST, 4 hours 36 minutes earlier.
Area forecast discussion, Jul 22, 10:30 AM MST, 4 hours 36 minutes before
AZZ020>028-CAZ030>033-222245- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 1030 AM MST MON JUL 22 2002 .SYNOPSIS... HIGH PRESSURE ALOFT WILL CONTINUE NEAR THE ARIZONA-NEW MEXICO BORDER THROUGH WEDNESDAY. THE CLOCKWISE FLOW OF AIR AROUND THE HIGH IS BRINGING AN INCREASE IN HUMIDITY FROM THE EAST. AS A RESULT...THE CHANCE OF THUNDERSTORMS WILL INCREASE OVER THE HIGHER TERRAIN OF SOUTH CENTRAL ARIZONA THIS AFTERNOON. ALSO...THERE WILL BE A CHANCE OF THUNDERSTORMS OVER SOUTH CENTRAL ARIZONA BEGINNING TONIGHT...AND SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA BY TUESDAY AFTERNOON. A DRYING TREND IS EXPECTED OVER SOUTHEAST CALIFORNIA THIS WEEKEND. .DISCUSSION... HIGH PRESSURE ALOFT WILL CONTINUE NEAR THE ARIZONA-NEW MEXICO BORDER THROUGH WEDNESDAY. MORE HUMID AIR HAS SPREAD AS FAR WEST AS SOUTH-CENTRAL ARIZONA THIS MORNING AHEAD OF A LOW PRESSURE SYSTEM OVER NEW MEXICO. THE HUMID AIR AND LOW PRESSURE SYSTEM ARE EXPECTED TO CONTINUE MOVING WEST AND INCREASE THE CHANCES OF SHOWERS AND THUNDERSTORMS OVER SOUTH-CENTRAL ARIZONA TONIGHT...SPREADING WEST TO FAR SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA BY LATE TUESDAY AND WEDNESDAY. AS A RESULT...AFTER TEMPERATURES PEAKING TODAY...EXPECT SOME LOWERING OF DAYTIME HIGHS TUESDAY AND WEDNESDAY. NO UPDATES. PSR...NONE ELLIS
In the hours before
Special weather statement, Jul 22, 12:30 PM MST, 2 hours 36 minutes before
AZZ022>024-027-028-230100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 1230 PM MST MON JUL 22 2002 ...HAZARDOUS WEATHER IS POSSIBLE OVER SOUTH-CENTRAL ARIZONA THIS AFTERNOON AND TONIGHT... COUNTIES IN THE RISK AREA INCLUDE...MARICOPA...NORTHWEST PINAL...AND SOUTHERN GILA. THE PRIMARY HAZARDOUS WEATHER RISKS INCLUDE...THUNDERSTORMS WITH STRONG...GUSTY...POSSIBLY DAMAGING WINDS TO OVER 50 MPH...AND A SUDDEN DROP IN VISIBILITY IN THE DESERT AREAS DUE TO BLOWING DUST AND SAND. THE VISIBILITY COULD DROP TO LESS THAN QUARTER OF A MILE. ADDITIONAL THREATS INCLUDE...INTENSE CLOUD-TO-GROUND LIGHTNING... LOCALLY HEAVY RAINFALL WITH STREET FLOODING...FLOODING OF NORMALLY DRY WASHES...AND POSSIBLY HAIL. STORM MOVEMENT WILL BE TOWARD THE WEST AT 15 TO 20 MPH. THE PHOENIX METROPOLITAN AREA IS INCLUDED IN THE OUTLOOK AREA...BUT ANY HAZARDOUS WEATHER WILL PROBABLY OCCUR AFTER 5 PM. STORM SPOTTER ACTIVATION MAY BE NECESSARY LATE THIS AFTERNOON OR TONIGHT. ELLIS
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.