Alert archive / Arizona / Flash Flood Warnings in 2000
Flash Flood Warning 20, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 17, 2000, 7:20 PM MST for Pima County, Pinal County, Arizona. It was in force for . 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
- Aug 17, 2000, 7:20 PM MST (02:20 UTC)
- Expired
- Aug 17, 2000, 7:15 PM MST
- In force
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Pima County, AZ, Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.3 hours before the alert went out and 59 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
- 188 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 2592 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 22 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 KTWC 180226 COR
FFWTUS
AZC019-021-180315-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
720 PM MST THU AUG 17 2000
THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE FLASH FLOOD
WARNING INTO NORTH TUCSON.
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL PIMA COUNTY IN ARIZONA
INCLUDING NORTH TUCSON AND MARANA
SOUTH CENTRAL PINAL COUNTY IN ARIZONA
* UNTIL 815 PM MST
* AT 715 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN
MOVING INTO THE NORTH PORTION OF TUCSON NORTH OF GRANT ROAD AND
WEST OF CAMPBELL ROAD. HEAVY RAIN WAS ALSO FALLING ALONG I-10
NORTHWEST TO PICACHO PEAK IN PINAL COUNTY.
* THE THUNDERSTORMS WITH EXCESSIVE RAINFALL ARE MOVING TO THE
SOUTHWEST.
MARANA POLICE REPORT AVRA VALLEY ROAD FLOODED IN SPOTS. OTHER ROADS
WILL BE IMPASSALBE DUE TO THE RAIN THAT HAS ACCUMULATED BETWEEN 1
AND 2 INCHES. RADAR INDICATES HEAVY RAIN HAS MOVED INTO THE
NORTHWEST PORTION OF TUCSON AS WELL. THIS RAIN WILL MOVE SOUTHWEST
INTO THE TUCSON MOUNTAINS AND AREAS WEST THROUGH 8PM.
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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TUCSON.
LAT...LON 3266 11157 3230 11132 3233 11101 3285 11118The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 5:00 PM MST | Severe Thunderstorm Warning | TWC | Pima | 45 min |
| Aug 17, 5:04 PM MST | Flash Flood Warning | TWC | Pima | 26 min |
| Aug 17, 7:00 PM MST | Flash Flood Warning | TWC | Pima, Pinal | |
| Aug 17, 7:45 PM MST | Flash Flood Warning | TWC | Cochise | 30 min |
| Aug 17, 8:10 PM MST | Flash Flood Warning | TWC | Pima |
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.