Alert archive / Arizona / Flash Flood Warnings in 2000
Flash Flood Warning 29, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 29, 2000, 4:00 PM MST for Pima County, Arizona. It was in force for 30 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
- Aug 29, 2000, 4:00 PM MST (23:00 UTC)
- Expired
- Aug 29, 2000, 4:30 PM MST
- In force
- 30 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pima County, AZ
The radar
The Tucson radar (KEMX), 53 km from the middle of the area, began a volume at 23:01 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
Tuscon, AZ (KTUS), launched 12:00Z, 11.0 hours before the alert went out and 20 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
- 1231 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 10 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 292301 FFWTWC AZC019-292330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 400 PM MST TUE AUG 29 2000 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN ARIZONA...INCLUDING THE FOOTHILLS AND NORTHEAST TUCSON... * UNTIL 530 PM MST * AT 400 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER THE FOOTHILLS AND NORTHEAST TUCSON...MOVING NORTHEAST AT 15 MPH. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE OVER THE FOOTHILLS AND NORTHEAST TUCSON. THE THUNDERSTORM WILL MOVE INTO THE CATALINA MOUNTAINS BY 415 PM BUT THE HEAVY RAIN WILL CAUSE RUNOFF INTO WASHES AND LOW LYING AREAS. THE WASHES AFFECTED WILL BE AGUA CALIENTE... SABINO CREEK AND BEAR CREEK...PANTANO WASH. ...THIS FLASH FLOOD WARNING REPLACES THE URBAN AND SMALL STREAM FLOOD ADVISORY... 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 S}ERVICE FORECAST OFFICE IN TUCSON. LAT...LON 3233 11096 3221 11075 3237 11062 3246 11081
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:25 PM MST | Severe Thunderstorm Warning | TWC | Pima | 35 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.