Alert archive / Arizona / Flash Flood Warnings in 1997
Flash Flood Warning 2, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 5, 1997, 6:03 PM MST for Maricopa County, Arizona. It was in force for 57 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
- Aug 5, 1997, 6:03 PM MST (01:03 UTC)
- Expired
- Aug 5, 1997, 7:00 PM MST
- In force
- 57 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 01:04 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 00:00Z, 1.1 hours before the alert went out and 198 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
- 306 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 3444 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 060105 FFWPHX AZC013-060200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 603 PM MST TUE AUG 5 1997 * SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MARICOPA COUNTY IN CENTRAL ARIZONA * UNTIL 700 PM MST * SOME LOCATIONS AFFECTED MOBILE ARIZONA ROUTE 238 * AT 6 PM MST RADAR DETECTED A SEVERE STORM 5 MILES NORTH OF THE COMMUNITY OF MOBILE. MOVEMENT WAS TO THE SOUTHWEST AT 10 MPH. DAMAGING WINDS IN EXCESS OF 60 MPH ARE LIKELY WITH THIS STORM.
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, Aug 5, 12:39 PM MST, 5 hours 24 minutes before
AZZ025-052045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 1239 PM MST TUE AUG 5 1997 ...TEST TEST TEST...BIG WEATHER IN STORE.... FORTY FIVE TORNADOS ARE EXPECTED TO FORM OVER THE PHOENIX METRO AREA TOMORROW...COURTESY OF A MAJOR WINTER STORM THAT WILL MOVE OUT OF THE GREAT BASIN AND PARK ITSELF OVER ARIZONA. TEST TEST TEST TEST
Special weather statement, Aug 5, 12:40 PM MST, 5 hours 23 minutes before
AZZ025-052045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 1239 PM MST TUE AUG 5 1997 ...TEST TEST TEST...BIG WEATHER IN STORE.... FORTY FIVE TORNADOS ARE EXPECTED TO FORM OVER THE PHOENIX METRO AREA TOMORROW...COURTESY OF A MAJOR WINTER STORM THAT WILL MOVE OUT OF THE GREAT BASIN AND PARK ITSELF OVER ARIZONA. TEST TEST TEST TEST
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 5:27 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 63 min |
| Aug 5, 6:03 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 57 min |
| Aug 5, 8:09 PM MST | Flash Flood Warning | PSR | Yuma | 81 min |
| Aug 5, 8:09 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 81 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.