Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 18, 1996, 9:57 PM MST for Gila County, Maricopa County, Pinal County, Arizona. It was in force for 83 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 18, 1996, 9:57 PM MST (04:57 UTC)
- Expired
- Aug 18, 1996, 11:20 PM MST
- In force
- 83 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
Counties Gila County, AZ, Maricopa County, AZ, Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 5.0 hours before the alert went out and 145 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
- 587 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1984 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 18, 8:47 PM MST, 1 hour 10 minutes before
AZZ019-190600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 845 PM MST SUN AUG 18 1996 ...THUNDERSTORMS DEVELOPING QUICKLY WITHIN THE PHOENIX METRO AREA... THUNDERSTORMS WERE DEVELOPING QUICKLY WITHIN THE PHOENIX METRO AREA AND WILL MOVE THROUGH THE METRO AREA...AT LEAST UNTIL 1100 PM MST. ONE THUNDERSTORM WAS MOVING NORTHEAST THROUGH NORTHEAST PHOENIX AND SCOTTSDALE...ANOTHER THROUGH CENTRAL PHOENIX AND STILL ANOTHER STORM WASj LOCATED NEAR LAVEEN. THUNDERSTORMS WILL BE ACCOMPANIED BY WIND GUSTS TO AROUND 40 MPH...BLOWING DUST AND POOR VISIBILITY...FREQUENT LIGHTNING...AND HEAVY RAINFALL WITH STREET FLOODING. FRANJEVIC
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:56 PM MST | Flash Flood Warning | PSR | Maricopa | 64 min |
| Aug 18, 8:56 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 64 min |
| Aug 18, 9:57 PM MST | Severe Thunderstorm Warning | PSR | Gila, Maricopa, Pinal | 83 min |
Nearby
Flash Flood Warnings in Arizona, 1996Every flash flood warning in 1996
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.