Alert archive / Arizona / Flash Flood Warnings in 2003
Flash Flood Warning 21, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 28, 2003, 6:15 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 as issued.
The facts
- Issued
- Jul 28, 2003, 6:15 PM MST (01:15 UTC)
- Expired
- Jul 28, 2003, 6:45 PM MST
- In force
- 30 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), 44 km from the middle of the area, began a volume at 01:17 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, 1.3 hours before the alert went out and 12 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
- 998 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 2492 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KTWC 290114
FFWTWC
AZC019-290245-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
615 PM MST MON JUL 28 2003
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN PIMA COUNTY IN ARIZONA
THIS INCLUDES THE CITY OF GREEN VALLEY...SAHUARITA...VAIL
* UNTIL 745 PM MST
* AT 615 PM MST...THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE
WESTWARD FROM VAIL TO SAHAURITA AND GREEN VALLEY THEN WEST TO
THREE POINTS. AUTOMATED GAUGES INDICATED 1 TO 2 INCHES OF RAIN
HAS FALLEN IN THE GREEN VALLEY AREA AND AN INCH IN THE VAIL AREA.
NEVER DRIVE INTO A FLOODED AREA. THE ROAD AHEAD MAY BE UNDERMINED OR
WASHED AWAY. ABANDON VEHICLES CAUGHT IN RISING WATER IMMEDIATELY.
LAT...LON 3215 11140 3173 11140 3175 11047 3238 11049
3229 11070 3212 11075 3216 11110 3233 11141The 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, 6:32 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, 4:55 PM MST | Flash Flood Warning | TWC | Pima | 5 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.