Alert archive / Arizona / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 20, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 22, 1997, 6:16 PM MST for Yuma County, Arizona. It was in force for 59 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 22, 1997, 6:16 PM MST (01:16 UTC)
- Expired
- Jul 22, 1997, 7:15 PM MST
- In force
- 59 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Yuma County, AZ
The radar
The Yuma radar (KYUX), 77 km from the middle of the area, began a volume at 01:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 6:22 PM MST | Thunderstorm Wind 52 | Yuma, AZ | Reports of several downed power poles. |
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.
096 WUUS1 KPHX 230118 RRA SVRPHX AZC027-230215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 616 PM MST TUE JUL 22 1997 * SEVERE THUNDERSTORM WARNING FOR WESTERN YUMA COUNTY * UNTIL 715 PM MST * SOME LOCATIONS AFFECTED DOME WELLTON PORTIONS OF INTERSTATE 8 BETWEEN YUMA AND WELLTON AND THE AREA NEAR MARTINEZ LAKE * AT 613 PM MST RADAR INDICATED A GROUP OF SEVERE THUNDERSTORMS BETWEEN YUMA AND WELLTON...MOVING NORTH AT 15 MPH. THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR PARTS OF YUMA COUNTY WAS EXTENDED TO COVER OTHER AREAS OF THE COUNTY AROUND DOME AND WELLTON THESE ARE DANGEROUS STORMS. STRONG WINDS IN EXCESS OF 57 MPH... HAIL...AND HEAVY RAIN ARE LIKELY. VASQUEZ
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.
In the hours before
Special weather statement, Jul 22, 2:56 PM MST, 3 hours 20 minutes before
AZZ020>025-CAZ030>033-230130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST/PDT TUE JUL 22 1997 ...SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING OVER PORTIONS OF THE FAR SOUTHEAST CALIFORNIA DESERTS NEAR IMPERIAL... SCATTERED THUNDERSTORMS DEVELOPED OVER THE BAJA CALIFORNIA MOUNTAINS SOUTH OF IMPERIAL AND MEXICALI THIS AFTERNOON. THESE STORMS WERE MOVING NORTH TOWARD WESTERN IMPERIAL COUNTY. THERE IS A SLIGHT RISK OF DAMAGING STRAIGHTLINE WINDS AND LOCALLY HEAVY RAINFALL IN WESTERN IMPERIAL COUNTY. THE FAVORED LOCATIONS FOR STRONG THUNDERSTORMS IN WESTERN IMPERIAL COUNTY ARE FROM THE TOWNS OF HOLTVILLE AND BRAWLEY WESTWARD TO THE SAN DIEGO COUNTY LINE. THIS INCLUDES PORTIONS OF INTERSTATE 8 AND THE SOUTHWESTERN SHORES OF THE SALTON SEA. .................................................................... THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES... IN ARIZONA IN CALIFORNIA MARICOPA YUMA IMPERIAL SOUTHERN GILA LA PAZ CENTRAL/EASTERN RIVERSIDE NORTHWEST PINAL VASQUEZ
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:02 PM MST | Flash Flood Warning | PSR | La Paz | 78 min |
| Jul 22, 7:02 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 78 min |
| Jul 22, 8:01 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 74 min |
| Jul 23, 3:44 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 61 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.