Alert archive / Arizona / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 9, 1999, 3:59 PM MST for La Paz County, Arizona. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 9, 1999, 3:59 PM MST (22:59 UTC)
- Expired
- Jul 9, 1999, 4:45 PM MST
- In force
- 46 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County La Paz County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 4:15 PM MST | Thunderstorm Wind 60 | Parker, AZ | Power lines down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 092301 RRA SVRPHX AZC012-092345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 359 PM MST FRI JUL 9 1999 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN AND CENTRAL LA PAZ COUNTY IN WEST CENTRAL ARIZONA * UNTIL 445 PM MST * AT 355 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF VICKSBURG...NEAR UTTING... MOVING WEST-NORTHWEST AT 5 MPH. OTHER STRONG THUNDERSTORMS WERE DEVELOPING NEAR AND NORTH OF BOUSE. * THE SEVERE THUNDERSTORM WILL BE NEAR... UTTING AT 405 PM STATE ROUTE 72 AT 405 PM DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GZO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! DG
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 9, 2:45 PM MST, 1 hour 14 minutes earlier.
Area forecast discussion, Jul 9, 2:45 PM MST, 1 hour 14 minutes before
SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST FRI JUL 9 1999 .SYNOPSIS... THE FLOW OF MONSOON MOISTURE WILL CONTINUE OVER THE DESERTS THE NEXT SEVERAL DAYS. THUS...THERE WILL BE A THREAT OF MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS INTO NEXT WEEK. MEANWHILE...HIGH PRESSURE OVER THE GREAT BASIN WILL STRENGTHEN SOMEWHAT FOR A WARMER TEMPERATURES OVER THE WEEKEND. .DISCUSSION... IR IMAGERY SHOWING ACTIVE CONVECTION THIS AFTERNOON ACROSS THE SOUTHWEST U.S. STRONGEST STORMS SO FAR IN OUR CWA ARE OVER JOSHUA TREE NP. WITH SUCH HIGH PWATER AND LIGHT FLOW...MAIN THREAT WITH THESE STORMS IS HEAVY RAIN. HAVE ISSUED A SMALL STREAM FLOOD ADVISORY FOR SW MARICOPA COUNTY AND NC RIVERSIDE UNTIL 5 PM MST/PDT. HIGH TO STRENGTHEN A BIT FOR WARMER TEMPS OVER THE WEEKEND. FLOW OVER OUR AREA TO BECOME MORE EAST TO NORTHEAST FOR MORE FAVORABLE DRIFT OF STORMS OFF THE HIGHER TERRAIN. ETA SHOWS THIS DIRECTIONAL CHANGE OCCURRING BY SUNDAY MORNING WHILE AVN BRINGS IT IN EARLIER. LEFT POPS IN SOUTHWEST DESERTS/SE CAL BECAUSE OF LACK OF DISTINCT DRYING TREND. PHOENIX CWA SHOULD SEE MOST FAVORABLE FLOW BY SUNDAY...IF NOT EARLIER. OTHERWISE...TYPICAL MONSOON FORECAST. JAMISON
Nearby
Severe Thunderstorm Warnings in Arizona, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.