Alert archive / Arizona / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Phoenix, AZ

August 17, 2000Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 17, 2000, 6:41 PM MST for Gila County, Arizona. It was in force for 89 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 17, 2000, 6:41 PM MST (01:41 UTC)
Expired
Aug 17, 2000, 8:10 PM MST
In force
89 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 01:44 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, 1.7 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 2000-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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 2000-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
146 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
2669 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
25 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 180141
FFWPSR
AZC007-180410-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
641 PM MST THU AUG 17 2000

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

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

* UNTIL 910 PM MST

* AT 635 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORMS...PRODUCING VERY HEAVY RAIN NEAR GLOBE...SIGNAL
  PEAK...AND CHRISTMAS...MOVING SOUTHWEST AT 10 MPH.

* THUNDERSTORMS...PRODUCING VERY HEAVY RAIN...ARE OCCURRING OVER
  SOUTHERN GILA COUNTY. RADAR INDICATES AS MUCH AS 2 INCHES OF RAIN
  HAS FALLEN SINCE 530 PM JUST SOUTHWEST OF MIAMI. RUNOFF IS LIKELY
  CAUSING FLOODING IN NORMALLY DRY CREEKS AND WASHES.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 6:33 PM MSTFlash Flood WarningPSRMaricopa92 min
Aug 17, 8:57 PM MSTSevere Thunderstorm WarningPSRMaricopa63 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.