Alert archive / Arizona / Flash Flood Warnings in 1990
Flash Flood Warning 2, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at May 28, 1990, 2:57 PM MST for Mohave County, Arizona. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 28, 1990, 2:57 PM MST (21:57 UTC)
- Expired
- May 28, 1990, 6:00 PM MST
- In force
- 3 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Mohave County, AZ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.0 hours before the alert went out and 226 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 136 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 282202 FFWPHX AZC015-290100- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX ARIZONA 257 PM MST MON MAY 28 1990 THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM MST FOR THE FOLLOWING LOCATIONS...... IN NORTHWEST ARIZONA ...SOUTHERN MOHAVE COUNTY HEAVY RAIN...STRONG GUSTY WINDS...AND HAIL HAVE BEEN REPORTED ALONG THE COLORADO RIVER IN THE VICINITY OF BULLHEAD CITY. RADAR AND SATELLITE PICTURES SHOW SHOWERS AND THUNDERSTORMS IN THE WARNING AREA...AND THEY MAY PERSIST FOR THE NEXT HOUR OR TWO...RESULTING IN FURTHER ACCUMULATION OF WATER. FLASH FLOODING IS ALREADY HAPPENING OR ABOUT TO HAPPEN. MOVE AWAY FROM STREAMS OR WASHES. HEAD FOR HIGHER GROUND. ON THE HIGHWAY...SLOW DOWN AND KEEP A SHARP LOOKOUT AHEAD FOR FLOODING. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DONT TRY TO CROSS FLOODING WASHES OR STREAMS. NEVER DRIlVE ONTO A BRIDGE COVERED BY WATER. STAY OFF FLOODED CITY STREETS. OUTSIDE THE CITY...STAY ON MAIN HIGHWAYS. AVOID SECONDARY ROADS AND FARM ROADS .
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, May 28, 2:02 PM MST, 55 minutes before
AZZALL-290300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX ARIZONA 200 PM MST MON MAY 28 1990 ...A WIND ADVISORY REMAINS IN EFFECT THROUGH THE AFTERNOON HOURS FOR NORTHERN AND EASTERN ARIZONA... AN UNSEASONABLY STRONG WEATHER DISTURBANCE HAS MOVED INTO ARIZONA... RESULTING IN STRONG GUSTY WINDS FOR MUCH OF THE STATE. AT 130 PM SHOW LOW REPORTED SOUTHERLY WINDS GUSTING TO ABOUT 55 MPH...PAGE 50 MPH... AND PINETOP 48 MPH. ELSEWHERE OVER THE NORTHERN HALF OF THE STATE SOUTH TO SOUTHWEST WINDS HAVE MOSTLY GUSTED TO BETWEEN 35 AND 40 MPH. WINDS HAVE ALSO INCREASED ELSEWHERE. WIND GUSTS TO ABOUT 30 MPH HAVE BEEN REPORTED ACROSS SOUTHEAST ARIZONA...AND WINDS IN THIS AREA MAY REACH 40 MPH LATER THIS AFTERNOON. ALONG WITH THE WIND THERE HAS BEEN AN INCREASE IN CLOUDS AND SHOWERS. OVER A HALF INCH OF RAIN HAS FALLEN AT KINGMAN AND BULLHEAD CITY TODAY. SCATTERED SHOWERS WILL SPREAD ACROSS MOST OF THE STATE THIS AFTERNOON AND TONIGHT...ALONG WITH POSSIBLY A FEW THUNDERSTORMS. LATE TONIGHT THE SNOW LEVEL WILL LOWER TO AROUND 75 HUNDRED FEET. A FEW INCHES OF WET SNOW MAY ACCUMULATE IN THE NORTHERN AND CENTRAL MOUNTAINS ABOVE 8 THOUSAND FEET. MOTORISTS WILL NEED TO =USE EXTRA CAUTION DUE TO THE STRONG GUSTY WINDS ...ESPECIALLY WHILE DRIVING HIGH PROFILE VEHICLES OR PULLING TRAILERS. IN ADDITION CAMPERS WILL NEED TO MAKE SURE CAMPFIRES ARE COMPLETELY OUT BEFORE LEAVING. JP 282100Z
Nearby
Flash Flood Warnings in Arizona, 1990Every flash flood warning in 1990
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.