Alert archive / Arizona / Flash Flood Warnings in 2000
Flash Flood Warning 15, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Oct 21, 2000, 8:21 PM MST for Maricopa County, Arizona. It was in force for 99 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Oct 21, 2000, 8:21 PM MST (03:21 UTC)
- Expired
- Oct 21, 2000, 10:00 PM MST
- In force
- 99 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 139 km from the middle of the area, began a volume at 03:22 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
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 3.4 hours before the alert went out and 193 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
- 1045 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KPSR 220333 FFWPSR AZC013-220600- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 821 PM MST SAT OCT 21 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * FLASH FLOOD WARNING FOR... FAR NORTHWESTERN MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA * UNTIL 11 PM MST * AT 830 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL WERE AFFECTING THE AREA INCLUDING WICKENBURG...THE VULTURE MOUNTAINS...AND STATE ROUTE 60 WEST OF WICKENBURG. WITH THE GROUND SATURATED FROM RAINS RECEIVED SATURDAY AFTERNOON AND EARLIER THIS EVENING...WASHES IN THE AREA WILL GO OUT OF THEIR BANKS. TIGER WASH AND HARTMAN WASH ARE RUNNING HEAVILY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. FLASH FLOODING IS ESPECIALLY DANGEROZUS AT NIGHT. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN PHOENIX. DG LAT...LON 3369 11331 3373 11256 3398 11264 3400 11332
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 11:00 PM MST | Flash Flood Warning | PSR | Maricopa | 60 min |
| Oct 22, 1:07 AM MST | Flash Flood Warning | PSR | Maricopa | 4 hr |
| Oct 22, 3:01 AM MST | Flash Flood Warning | PSR | La Paz | 3 hr |
| Oct 22, 6:38 AM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
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.