Alert archive / Arizona / Flash Flood Warnings in 2003
Flash Flood Warning 62, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 25, 2003, 10:20 PM MST for Pima County, Pinal County, Arizona. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2003, 10:20 PM MST (05:20 UTC)
- Expired
- Aug 25, 2003, 11:00 PM MST
- In force
- 40 min
- Issued by
- NWS Tucson, AZ
- Area
- Counties, with a storm outline in the text
Counties Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 68 km from the middle of the area, began a volume at 05:21 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 00:00Z, 5.3 hours before the alert went out and 29 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
- 1036 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2586 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KTWC 260524
FFWTWC
AZC019-021-260700-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1020 PM MST MON AUG 25 2003
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN PIMA COUNTY IN ARIZONA
THIS INCLUDES...ORO VALLEY...CATALINA...CANADA DEL ORO WASH
SOUTHEASTERN PINAL COUNTY IN ARIZONA
THIS INCLUDES...ORACLE...ORACLE JUNCTION
* UNTIL MIDNIGHT
* AT 1015 PM MST...MODERATE TO HEAVY RAIN CONTINUED FROM NEAR ORACLE
JUNCTION TO NEAR CATALINA. ADDED TO EXTREMELY HEAVY RAINFALL
EARLIER IN THE EVENING...THE FLASH FLOOD WARNING HAS BEEN EXTENDED
UNTIL MIDNIGHT. AREAS AROUND THE CANADA DEL ORO WASH ARE EXPECTED
TO FLOOD.
SMALL STREAMS...SECONDARY ROADS...AND NORMALLY DRY WASHES WILL FLOOD
QUICKLY. DO NOT DRIVE INTO FLOODED AREAS. MOVE TO HIGHER GROUND.
LAT...LON 3213 11133 3237 11048 3277 11048 3271 11132
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 8:05 PM MST | Flash Flood Warning | TWC | Pinal | 25 min |
| Aug 25, 9:10 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 20 min |
| Aug 25, 9:17 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 73 min |
| Aug 25, 11:55 PM MST | Flash Flood Warning | TWC | Pima | 65 min |
| Aug 26, 1:57 PM MST | Severe Thunderstorm Warning | TWC | Pima | 48 min |
| Aug 26, 3:35 PM MST | Flash Flood Warning | TWC | Pima | 55 min |
| Aug 26, 4:07 PM MST | Severe Thunderstorm Warning | TWC | Pima | 38 min |
| Aug 26, 4:16 PM MST | Flash Flood Warning | TWC | Pinal | 29 min |
| Aug 26, 4:16 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 44 min |
| Aug 26, 4:41 PM MST | Severe Thunderstorm Warning | TWC | Pima | 49 min |
Nearby
Flash Flood Warnings in Arizona, 2003Every flash flood warning in 2003
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.