Alert archive / Arizona / Flash Flood Warnings in 2000
Flash Flood Warning 13, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 13, 2000, 2:50 PM MST for Pima County, Arizona. It was in force for 55 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 13, 2000, 2:50 PM MST (21:50 UTC)
- Expired
- Aug 13, 2000, 3:45 PM MST
- In force
- 55 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), 61 km from the middle of the area, began a volume at 21:53 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, 9.8 hours before the alert went out and 33 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
- 773 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1869 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -13 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 132151 FFWTWC AZC019-132345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 250 PM MST SUN AUG 13 2000 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN ARIZONA...SABINO CANYON * UNTIL 445 PM MST * AT 250 PM MST...A RAIN GAGE NEAR THE PALISADES RANGER STATION HAS MEASURED 1.30 INCHES OF RAIN SINCE 140 PM. RADAR INDICATES THAT UP TO 2 INCHES OF RAIN HAS FALLEN IN THE HEADWATER AREA OF SABINO CANYON SINCE 140 PM. THE STORM IS NEARLY STATIONARY...SO 3 INCHES OR MORE OF RAINFALL IS EXPECTED IN THE CATALINA MOUNTAINS ABOVE SABINO CANYON. HIKERS SHOULD LEAVE SABINO CANYON IMMEDIATELY. FLASH FLOODING IS EXPECTED IN SABINO CREEK BEFORE 445 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 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. LAT...LON 3245 11083 3233 11069 3245 11062 3250 11071
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:14 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 31 min |
| Aug 13, 2:24 PM MST | Flash Flood Warning | TWC | Santa Cruz | 36 min |
| Aug 13, 3:40 PM MST | Severe Thunderstorm Warning | TWC | Pima | 35 min |
| Aug 13, 4:15 PM MST | Severe Thunderstorm Warning | TWC | Pima | 30 min |
| Aug 13, 4:45 PM MST | Severe Thunderstorm Warning | TWC | Pima | 45 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.