Alert archive / Arizona / Flash Flood Warnings in 1992
Flash Flood Warning 1, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Mar 8, 1992, 2:30 PM MST for Maricopa County, Arizona. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Mar 8, 1992, 2:30 PM MST (21:30 UTC)
- Expired
- Mar 8, 1992, 3:30 PM MST
- In force
- 60 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 9.5 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
- 83 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 082128 FFWPHX AZC013-082230- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX ARIZONA 230 PM MST SUN MAR 8 1992 THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING VALID UNTIL 400 PM MST THIS AFTERNOON FOR THE FOLLOWING LOCATIONS.... IN SOUTH CENTRAL ARIZONA ...NORTHEASTERN MARICOPA COUNTY INCLUDING THE GREATER PHOENIX METROPOLITAN AREA... RADAR AND SATELLITE PHOTOS INDICATED AN INTENSE THUNDERSTORM MOVING THROUGH NORTHEAST MARICOPA COUNTY INCLUDING THE GREATER PHOENIX AREA. THE THUNDERSTORM HAS BEEN CAUSING VERY HEAVY RAINFALL WITH LOCAL FLOODING. IT MAY ALSO CAUSE STRONG GUSTY WINDS TO NEAR 60 MPH AND HAIL TO THREE QUARTERS OF AN INCH...AND FUNNEL CLOUDS. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IMMEDIATELY...IF THREATENING WEATHER APPROACHES YOUR AREA. BE PREPARED FOR STRONG THUNDERSTORMS AND FLASH FLOODI NG. URBAN FLOODING IS OVERFLOW OF CITY STREETS AND DRAINAGE SYSTEMS... ENOUGH TO FLOOD RESIDENCES AND BUSINESSES AND CLOSE CITY STREETS. POSTPONE ANY UNNECESSARY DRIVING UNTIL THE STORM IS OVER.
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
Local storm report, Mar 8, 10:30 AM MST, 4 hours before
STORM REPORT...DELAYED...
NATIONAL WEATHER SERVICE PHOENIX AZ
1030 AM MST SUN MAR 8 1992
MST PATH # PERSONS EST. DAMAGE CHARACTER
PLACE DATE TIME L W KILL. INJ. PROP. CROPS OF STORM
DATELAND AZ 3/7 1300-1330 3/4 IN DIA
REPORTED FROM WHITEWING RANCH HAIL
LOST DUTCHMAN 3/7 1400 1 IN DIA
STATE PARK HAIL
PHOENIX AZ 3/7 1535 61 MPH WNDS
REPORTED BY T.V. STATION KTSP CHNL 10...ALSO NEWS REPORT
SHOWED LARGE PINE TREE BLOWN OVR DURG ABV STORM.
ESTLESpecial weather statement, Mar 8, 10:55 AM MST, 3 hours 35 minutes before
AZZALL-082200 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX ARIZONA 1050 AM MST SUN MAR 8 1992 ...SNOW ADVISORY FOR THE NORTHERN AND CENTRAL MOUNTAINS ABOVE 55 HUNDRED FEET THROUGH TODAY... A SNOW ADVISORY REMAINS IN EFFECT FOR THE NORTHERN AND CENTRAL MOUNTAINS ABOVE 55 HUNDRED FEET THROUGH TODAY. AN ADDITIONAL 4 TO 6 INCHES OF NEW SNOW IS EXPECTED BY THIS EVENING. AS OF 1030 AM MST THIS MORNING...PERIODS OF LOCALLY HEAVY SNOW WERE BEING REPORTED IN THE GRAND CANYON...MOGOLLON RIM AND WHITE MOUNTAIN AREAS. MAINLY LIGHT SNOWFALL WAS OCCCURRING DOWN TO AROUND 5 THOUSAND FEET AT OTHER LOCALITIES IN NORTHERN AND CENTRAL ARIZONA. FLAGSTAFF RECEIVED 10 INCHES OF NEW SNOW OVERNIGHT AND EARLY THIS MORNING...WHILE PINETOP AND MCNARY HAD 6 INCHES. PAYSON CHECKED IN WITH 3 INCHES OF NEW SNOW. < THE UPPER LEVEL DISTURBANCE RESPONSIBLE FOR THE WINTRY WEATHER WAS CENTERED OVER WESTCENTRAL ARIZONA THIS MORNING...AND WAS MOVING TO THE NORTHEAST. ITS PRESENCE WILL RESULT IN SCATTERED TO NUMEROUS SHOWERS IN ARIZONA TODAY WITH A FEW THUNDERSTORMS IN THE SOUTH AND FAR WEST PORTIONS. THE SNOW LEVEL WILL BE AROUND 5 THOUSAND FEET. THUNDERSTORMS WILL BE ACCOMPANIED BY LOCALLY HEAVY RAIN AND HAIL ...ALONG WITH FREQUENT AND DEADLY LIGHTNING...AND STRONG GUSTY WINDS TO NEAR 35 MPH. DESERT THUNDERSTORMS WILL ALSO CAUSE AREAS OF BLOWING DUST REDUCING VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES. GRADUALLY IMPROVING WEATHER CONDITIONS ARE SLATED FOR MUCH OF ARIZONA LATE TONIGHT AND MONDAY...BUT WEATHER CONDITIONS WILL STILL BE ON THE UNSETTLED SIDE WITH MOSTLY CLOUDY SKIES...SCATTERED RAIN SHOWERS AND MAINLY MOUNTAIN SNOW SHOWERS. AFTERNOON TEMPERATURES WILL REMAIN COOL. TO REPEAT...A SNOW ADVISORY REMAINS IF EFFECT FOR THE NORTHERN AND CENTRAL MOUNTAINS ABOVE 55 HUNDRED FEET THROUGH TODAY. THOSE PLANNING TRAVEL INTO ARIZONAS NORTHERN HIGH COUNTRY TODAY ARE URGED TO BE PREPARED FOR THE HAZARDS OF WINTER DRIVING...AMONG WHICH INCLUDE SLICK AND SNOW PACKED ROADS AND SHARPLY REDUCED VISIBILITIES IN FOG AND PRECIPITATION. FRANJEVIC MWF 03/08/1754Z
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 2:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 60 min |
Nearby
Flash Flood Warnings in Arizona, 1992Every flash flood warning in 1992
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.