Alert archive / Arizona / Flash Flood Warnings in 1990
Flash Flood Warning 16, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Jul 13, 1990, 11:34 PM MST for Mohave County, Arizona. It was in force for 116 min.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1990, 11:34 PM MST (06:34 UTC)
- Expired
- Jul 14, 1990, 1:30 AM MST
- In force
- 116 min
- 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 00:00Z, 6.6 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
- 3451 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 23 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 140645 COR FFWPHX AZC015-140830- BULLETIN - EBS ACTIVATION REQUESTED ...CORRECTION FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX ARIZONA 1134 PM MST FRI JUL 13 1990 THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 130 AM MST FOR THE FOLLOWING LOCATIONS...... IN NORTHWEST ARIZONA ...SOUTHWESTERN MOHAVE COUNTY... WHICH INCLUDES AN AREA ALONG THE COLORADO RIVER BETWEEN LAKE HAVASU AND BULLHEAD CITY UNTIL 130 AM. NUMEROUS THUNDERSTORMS WITH INTENSE RAINFALL CONTINUED OVER WEST CENTRAL AND SOUTHWEST MOHAVE COUNTY AT 1115 PM. THE HARDEST HIT AREA WAS BULLHEAD CITY WHERE SEVERE FLOODING...WATER RUNNING 4 TO 5 FEET DEEP IN SPOTS... WAS CARRYING AWAY VEHICLES. HIGHWAY 95 THROUGH BULLHEAD CITY IS CLOSED AND THE FLOODING SITUATION IS VERY SERIOUS. AT 1115 PM SATELLITE PICTURES SHOWED THE HEAVY RAIN AREAS WERE EXPANDING SOUTHWEST ALONG THE COLORADO RIVER TOWARDS NEEDLES...GOLDEN SHORES AND POSSIBLY TOWARDS LAKE HAVASU. THIS IS A DANGEROUS SITUATION. MOTORISTS ENROUTE OR PLANNING TRAVEL TO THE COLORADO RIVER AREAS BETWEEN LAKE HAVASU AND BULLHEAD CITY ARE DISCOURAGED FROM DOING SO. EARLIER IN THE EVENING BULLHEAD CITY WAS STRUCK BY A SEVERE THUNDERSTORM. WINDS OF 71 MPH WERE RECORDED AT THE FIRE STATION. 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. 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. VASQUEZ
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 6:40 PM MST | Flash Flood Warning | PSR | Yavapai | 2 hr |
| Jul 13, 6:40 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 2 hr |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | La Paz, Yavapai | 117 min |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | Mohave | 117 min |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | Maricopa | 117 min |
| Jul 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 117 min |
| Jul 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 117 min |
| Jul 13, 8:44 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 13, 8:44 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 3 hr |
| Jul 13, 10:42 PM MST | Flash Flood Warning | PSR | Mohave | 48 min |
| Jul 13, 10:42 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 48 min |
| Jul 14, 1:41 AM MST | Flash Flood Warning | PSR | La Paz, Mohave | 3 hr |
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.