Alert archive / Arizona / Flash Flood Warnings in 1997
Flash Flood Warning 15, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Sep 5, 1997, 5:38 PM MST for La Paz County, Yuma County, Arizona. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 5, 1997, 5:38 PM MST (00:38 UTC)
- Expired
- Sep 5, 1997, 7:40 PM MST
- In force
- 2 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
Counties La Paz County, AZ, Yuma County, AZ
The radar
The Yuma radar (KYUX), 107 km from the middle of the area, began a volume at 00:39 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 text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 060039 FFWPHX AZC012-027-060240- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 538 PM MST FRI SEP 5 1997 * FLASH FLOOD WARNING FOR SOUTHWESTERN LA PAZ COUNTY IN WEST CENTRAL ARIZONA NORTHERN YUMA COUNTY IN SOUTHWESTERN ARIZONA * UNTIL 740 PM MST * SOME LOCATIONS AFFECTED KOFA NATIONAL WILDLIFE REFUGE US 95 SOUTH OF QUARTZSITE YUMA PROVING GROUND * AT 530 PM MST RADAR ESTIMATED RAINFALL RATES OF OVER 2 INCHES DURING THE PAST HOUR IN THE WARNING AREA INCLUDING PALM CANYON. AS A RESULT...FLASH FLOODING IS OCCURRING OR IMMINENT IN THE WARNING LOCATIONS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER: SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 5, 1:56 PM MST, 3 hours 42 minutes before
AZZ020>025-CAZ030>033-061130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 145 PM MST/PDT FRI SEP 5 1997 ...MODERATE RISK FOR SEVERE THUNDERSTORMS OVER CENTRAL AND EASTERN RIVERSIDE...NORTHWEST IMPERIAL...NORTHERN YUMA AND WESTERN LA PAZ COUNTIES THIS AFTERNOON AND EVENING... ...SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER MARICOPA AND NORTHWEST PINAL COUNTIES TONIGHT... A STRONG UPPER LEVEL DISTURBANCE WILL MOVE EAST ACROSS SOUTH-CENTRAL CALIFORNIA THIS AFTERNOON AND EVENING. THE AIRMASS OVER FAR SOUTHEAST CALIFORNIA IS VERY MOIST AND UNSTABLE. THUNDERSTORMS... SOME SEVERE WITH DAMAGING WINDS...HAIL...AND VERY HEAVY RAIN RESULTING IN LOCALIZED FLOODING...CAN BE EXPECTED OVER PORTIONS OF CENTRAL AND EASTERN RIVERSIDE AND NORTHWEST IMPERIAL COUNTIES IN CALIFORNIA...AS WELL AS OVER PORTIONS OF NORTHERN YUMA AND WESTERN LA PAZ COUNTIES IN ARIZONA...THIS AFTERNOON AND TONIGHT. THE JOSHUA TREE NATIONAL PARK AND THE SALTON SEA STATE RECREATIONAL AREA ARE INCLUDED IN THE MODERATE RISK AREA. INDIVIDUAL STORMS WILL MOVE TO THE NORTHEAST AT 20 MPH. THE ATMOSPHERE IS ALSO QUITE UNSTABLE OVER SOUTH-CENTRAL ARIZONA. A WEAK UPPER LEVEL DISTURBANCE OVER NORTHERN MEXICO WILL MOVE WEST TOWARD SOUTHEAST ARIZONA THIS AFTERNOON. SCATTERED THUNDERSTORMS WILL DEVELOP OVER EAST-CENTRAL AND SOUTHEAST ARIZONA THIS AFTERNOON AND REDEVELOP TOWARD THE WEST AND NORTHWEST. OUTFLOW FROM THESE STORMS WILL GENERATE BLOWING DUST THAT MAY MOVE OVER PORTIONS OF MARICOPA AND NORTHERN PINAL COUNTIES LATE THIS AFTERNOON OR EVENING. SCATTERED THUNDERSTORMS...SOME SEVERE...MAY AFFECT PORTIONS OF THE GREATER PHOENIX METRO...AS WELL AS CASA GRANDE AND GILA BEND ...TONIGHT. DAMAGING STRAIGHT LINE WINDS AND BRIEF HEAVY RAIN ARE POSSIBLE WITH THE STRONGEST STORMS. INDIVIDUAL STORMS WILL MOVE TO THE NORTHWEST AT 10 MPH. THUNDERSTORMS WILL ALSO AFFECT SOME LOCATIONS IN SOUTHERN GILA COUNTY THIS AFTERNOON AND EVENING. BRIEF HEAVY RAIN AND GUSTY WINDS CAN BE EXPECTED WITH THE STRONGER STORMS...BUT STORMS ARE EXPECTED TO STAY BELOW SEVERE LIMITS. .................................................................... FOR THE PURPOSES OF THIS OUTLOOK...SEVERE WEATHER REFERS TO ANY OF THE FOLLOWING...DAMAGING WINDS IN EXCESS OF 57 MPH...HAIL 3/4 INCH IN DIAMETER OR LARGER...AND LOCALLY HEAVY RAINFALL WHICH RESULTS IN RUNNING WASHES OR FLOODING. THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES... IN ARIZONA IN CALIFORNIA MARICOPA YUMA IMPERIAL NORTHWEST PINAL LA PAZ CENTRAL AND EASTERN RIVERSIDE SOUTHERN GILA .................................................................... GREEN
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 5:48 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 62 min |
| Sep 5, 6:37 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Yuma | 68 min |
| Sep 5, 7:53 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 62 min |
Nearby
Flash Flood Warnings in Arizona, 1997Every flash flood warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.