Alert archive / Arizona / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Phoenix, AZ

August 9, 2000Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 9, 2000, 7:45 PM MST for Gila County, Arizona. It was in force for 15 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 9, 2000, 7:45 PM MST (02:45 UTC)
Expired
Aug 9, 2000, 8:00 PM MST
In force
15 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 02:48 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

Phoenix, AZ (KPSR), launched 00:00Z, 2.8 hours before the alert went out and 115 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.

Skew-T log-pSkew-T log-p diagram, Phoenix, AZ at 00:00Z on 2000-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 304 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 00:00Z on 2000-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
304 J/kg
Mixed-layer CIN
-187 J/kg
Mixed-layer LCL
2784 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KPSR 100244
FFWPSR
AZC007-100400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
745 PM MST WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL GILA COUNTY IN CENTRAL ARIZONA

* UNTIL 900 PM MST

* AT 730 PM MST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN IN THE GLOBE-MIAMI AREA...
  MOVING SLOWLY WEST AT LESS THAN 10 MPH.

* VERY HEAVY RAINFALL ASSOCIATED WITH SLOW MOVING STORMS HAVE CAUSED
  HEAVY RUNOFF AND MUDSLIDES IN THE MIAMI AREA...NEAR HIGHAY 60 AND
  ESCALANTE. DOPPLAR RADAR INDICATED THAT OVER 2 INCHES OF RAIN HAD
  FALLEN SINCE 630 PM JUST NORTHEAST OF MIAMI...AND SPOTTER REPORTS
  INDICATED THAT UP TO 2.8 INCHES HAD FALLEN IN THE MAIMI AREA. HEAVY
  RAIN AND FLOODING COULD ALSO AFFECT HIGHWAY 88 NEAR CLAYPOOL.

DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

CJB


&

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 6:17 PM MSTSevere Thunderstorm WarningPSRGila63 min

Nearby

Flash Flood Warnings in Arizona, 2000Every flash flood warning in 2000

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.