Alert archive / Arizona / Flash Flood Warnings in 2003
Flash Flood Warning 24, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 29, 2003, 4:55 PM MST for Pima County, Arizona. It was in force for 5 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
- Jul 29, 2003, 4:55 PM MST (23:55 UTC)
- Expired
- Jul 29, 2003, 5:00 PM MST
- In force
- 5 min
- Issued by
- NWS Tucson, AZ
- Area
- Counties, with a storm outline in the text
County Pima County, AZ
The radar
The Tucson radar (KEMX), 30 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 11 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
- 468 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1237 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 124 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 292354
FFWTWC
AZC019-300100-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
455 PM MST TUE JUL 29 2003
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN PIMA COUNTY IN ARIZONA
THIS INCLUDES THE CITIES OF...TUCSON...ORO VALLEY...MARANA...
GREEN VALLEY
* UNTIL 600 PM MST
* AT 450 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF SEVERE THUNDERSTORMS OVER THE TUCSON METRO AREA. THIS
CLUSTER OF STORMS WILL PRODUCE TORRENTIAL RAINFALL WITH AMOUNTS
NEAR TWO INCHES LIKELY OVER MANY LOCATIONS WITHIN THE METRO AREA.
THIS CLUSTER OF STORMS IS MOVING WEST AT 15 TO 20 MPH.
NEVER DRIVE INTO A FLOODED AREA. THE ROAD AHEAD MAY BE UNDERMINED OR
WASHED AWAY. ABANDON VEHICLES CAUGHT IN RISING WATER IMMEDIATELY.
THIS WARNING EXTENDS THE PREVIOUSLY ISSUED FLASH FLOOD WARNING FOR
THIS AREA.
LAT...LON 3179 11048 3251 11052 3251 11144 3177 11144The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 5:29 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Jul 28, 5:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 44 min |
| Jul 28, 6:15 PM MST | Flash Flood Warning | TWC | Pima | 30 min |
| Jul 28, 6:32 PM MST | Severe Thunderstorm Warning | TWC | Pima | 43 min |
| Jul 28, 7:47 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 73 min |
| Jul 29, 3:28 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 47 min |
| Jul 29, 3:54 PM MST | Severe Thunderstorm Warning | TWC | Pima | 51 min |
| Jul 29, 4:00 PM MST | Flash Flood Warning | TWC | Pima | |
| Jul 29, 4:35 PM MST | Severe Thunderstorm Warning | TWC | Pima | 55 min |
| Jul 29, 4:40 PM MST | Severe Thunderstorm Warning | TWC | Pima | 50 min |
| Jul 29, 4:57 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 63 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.