Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 32, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Sep 13, 1996, 5:03 PM MST for Gila County, Arizona. It was in force for 117 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
- Sep 13, 1996, 5:03 PM MST (00:03 UTC)
- Expired
- Sep 13, 1996, 7:00 PM MST
- In force
- 117 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
The radar
The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 00:03 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, 0.1 hours before the alert went out and 181 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
- 1046 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 2120 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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, Sep 13, 12:24 PM MST, 4 hours 39 minutes before
AZZ015>026-141200- SEVERE WEATHER OUTLOOK FOR THE SOUTHERN HALF OF ARIZONA NATIONAL WEATHER SERVICE PHOENIX AZ 1215 PM MST FRI SEP 13 1996 ...MODERATE RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON OVER SOUTH- CENTRAL ARIZONA... ...MODERATE RISK FOR SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT OVER SOUTH-CENTRAL AND SOUTHEAST ARIZONA... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS MAINLY OVER SOUTHWEST AND SOUTH-CENTRAL ARIZONA THIS AFTERNOON...AND A MODERATE RISK FOR SEVERE THUNDERSTORMS OVER SOUTH-CENTRAL AND SOUTHEAST ARIZONA THIS EVENING AND TONIGHT. DAMAGING STRAIGHT LINE WINDS...BRIEF HEAVY RAIN...INTENSE LIGHTNING...AND HAIL ARE POSSIBLE. THERE IS A CHANCE FOR AN ISOLATED TORNADO WITH ONE OF THE STRONGER STORMS. INDIVIDUAL STORMS WILL MOVE QUICKLY TO THE NORTHEAST AT 20 TO 25 MPH...SO RAPIDLY CHANGING WEATHER IS LIKELY TO OCCUR OVER MANY LOCATIONS IN SOUTHERN ARIZONA THIS AFTERNOON AND TONIGHT. HEAVIEST RAINFALLS ARE LIKELY TO OCCUR OVER SOUTHEAST ARIZONA TONIGHT. A STRONG UPPER LEVEL DISTURBANCE CURRENTLY NEAR THE CALIFORNIA COAST IS EXPECTED TO INTENSIFY AS IT MOVES EAST OVER ARIZONA TONIGHT. UPPER LEVEL WINDS WITH THIS SYSTEM ARE MUCH STRONGER THAN THE CLIMATOLOGICAL NORM...WHICH INCREASES THE RISK FOR INTENSE THUNDERSTORM DEVELOPMENT. THE AIRMASS OVER SOUTHERN ARIZONA WAS SOMEWHAT UNSTABLE THIS MORNING...BUT SHOULD DESTABILIZE RAPIDLY THIS AFTERNOON AND EVENING. SOUTHERLY LOW LEVEL WINDS IN ADVANCE OF THE DISTURBANCE WILL TRANSPORT VERY MOIST AIR FROM MEXICO ACROSS SOUTH-CENTRAL AND SOUTHEAST ARIZONA LATER THIS AFTERNOON AND TONIGHT. LOW-LEVEL MOISTURE IS ON THE INCREASE AS WELL. SURFACE DEW POINTS AT YUMA INCREASED FROM THE 50S EARLY TTHIS MORNING INTO THE LOWER 70S BY 10 AM. GREEN
Special weather statement, Sep 13, 12:31 PM MST, 4 hours 32 minutes before
AZZ015>026-141200- SEVERE WEATHER OUTLOOK FOR THE SOUTHERN HALF OF ARIZONA NATIONAL WEATHER SERVICE PHOENIX AZ...CORRECTION... 1215 PM MST FRI SEP 13 1996 ...MODERATE RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON OVER SOUTH- CENTRAL ARIZONA... ...MODERATE RISK FOR SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT OVER SOUTH-CENTRAL AND SOUTHEAST ARIZONA... THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS MAINLY OVER SOUTHWEST AND SOUTH-CENTRAL ARIZONA THIS AFTERNOON...AND A MODERATE RISK FOR SEVERE THUNDERSTORMS OVER SOUTH-CENTRAL AND SOUTHEAST ARIZONA THIS EVENING AND TONIGHT. DAMAGING STRAIGHT LINE WINDS... BRIEF HEAVY RAIN...INTENSE LIGHTNING...AND HAIL ARE POSSIBLE. THERE IS A CHANCE FOR AN ISOLATED TORNADO WITH ONE OF THE STRONGER STORMS. INDIVIDUAL STORMS WILL MOVE QUICKLY TO THE NORTHEAST AT 20 TO 25 MPH...SO RAPIDLY CHANGING WEATHER IS LIKELY TO OCCUR OVER MANY LOCATIONS IN SOUTHERN ARIZONA THIS AFTERNOON AND TONIGHT. HEAVIEST RAINFALLS ARE LIKELY TO OCCUR OVER SOUTHEAST ARIZONA TONIGHT. A STRONG UPPER LEVEL DISTURBANCE CURRENTLY NEAR THE CALIFORNIA COAST IS EXPECTED TO INTENSIFY AS IT MOVES EAST OVER ARIZONA TONIGHT. UPPER LEVEL WINDS WITH THIS SYSTEM ARE MUCH STRONGER THAN THE CLIMATOLOGICAL NORM...WHICH INCREASES THE RISK FOR INTENSE THUNDERSTORM DEVELOPMENT. THE AIRMASS OVER SOUTHERN ARIZONA WAS SOMEWHAT UNSTABLE THIS MORNING...BUT SHOULD DESTABILIZE RAPIDLY THIS AFTERNOON AND EVENING. SOUTHERLY LOW LEVEL WINDS IN ADVANCE OF THE DISTURBANCE WILL TRANSPORT VERY MOIST AIR FROM MEXICO ACROSS SOUTH-CENTRAL AND SOUTHEAST ARIZONA LATER THIS AFTERNOON AND TONIGHT. LOW-LEVEL MOISTURE IS ON THE INCREASE AS WELL. SURFACE DEW POINTS AT YUMA INCREASE\D FROM THE 50S EARLY THIS MORNING INTO THE LOWER 70S BY 10 AM. GREEN CORRECTED FIRST SENTENCE
Special weather statement, Sep 13, 2:14 PM MST, 2 hours 49 minutes before
AZZ007-012-013-18>023-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 212 PM MST FRI SEP 13 1996 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN ARIZONA UNTIL 800 PM MST... THE STORM PREDICTION CENTER IN KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN ARIZONA. COUNTIES INCLUDED IN THE WATCH ARE MARICOPA...PIMA...SANTA CRUZ...PINAL...THE EASTERN TWO THIRDS OF YAVAPAI...SOUTHERN COCONINO...AND SOUTHERN NAVAJO. SOME CITIES AND TOWNS IN THE WATCH AREA INCLUDE THE PHOENIX AND TUCSON METRO AREAS...FLAGSTAFF...SHOW LOW...WINSLOW...HOLBROOK... PRESCOTT...CASA GRANDE...GILA BEND...GLOBE...PAYSON...AND SUPERIOR. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN CENTRAL AND SOUTHERN ARIZONA SHOULD KEEP ABREAST OF THE WEATHER SITUATION THIS AFTERNOON AND EVENING...AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 5:00 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 75 min |
| Sep 14, 3:35 AM MST | Flash Flood Warning | PSR | Gila, Maricopa | 85 min |
| Sep 14, 5:00 AM MST | Flash Flood Warning | PSR | Gila, Maricopa | 90 min |
| Sep 14, 9:40 AM MST | Flash Flood Warning | PSR | Gila | 110 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; radar from the NEXRAD Level II archive.