Alert archive / Arizona / Flash Flood Warnings in 2004
Flash Flood Warning 35, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 13, 2004, 1:50 PM MST for Santa Cruz County, Arizona. It was in force for 2 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 13, 2004, 1:50 PM MST (20:50 UTC)
- Expired
- Aug 13, 2004, 4:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Counties, with a storm outline in the text
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 54 km from the middle of the area, began a volume at 20:52 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 2:32 PM MST | FLASH FLOOD | Rio Rico, AZ | PENDELTON DRIVE BLOCKED BY 1.5 FOOT OF WATER. FLOOD WATERS STILL RISING RAPIDLY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 8.8 hours before the alert went out and 76 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
- 764 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 2328 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 31 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 132054
FFWTWC
AZC023-140015-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
150 PM MST FRI AUG 13 2004
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SANTA CRUZ COUNTY IN ARIZONA
THIS INCLUDES THE CITY OF NOGALES
* UNTIL 515 PM MST
* AT 150 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS CENTRAL AND EASTERN
PORTIONS OF SANTA CRUZ COUNTY. EXPECT RAINFALL TOTALS WELL IN
EXCESS OF 1 INCH...WITH SOME AREAS BETWEEN 2 AND 3 INCHES.
STORM MOVEMENT IS TO THE EAST AT ABOUT 5 MPH.
STREETS...UNDERPASSES AND NORMALLY DRY STREAMS AND WASHES WILL FLOOD
QUICKLY. DO NOT DRIVE INTO FLOODED AREAS OF AROUND BARRICADES. IF THE
ROAD AHEAD IS BLOCKED...TURN AROUND AND TAKE ANOTHER ROUTE.
LAT...LON 3135 11110 3134 11046 3173 11046 3173 11116
3152 11115 3137 11116
$$
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 5:03 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 32 min |
| Aug 13, 12:34 PM MST | Severe Thunderstorm Warning | TWC | Pima | 41 min |
| Aug 13, 12:38 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 52 min |
| Aug 13, 1:07 PM MST | Flash Flood Warning | TWC | Graham | 113 min |
| Aug 13, 3:16 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 44 min |
| Aug 13, 3:19 PM MST | Flash Flood Warning | TWC | Pinal | 56 min |
| Aug 13, 3:58 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 47 min |
| Aug 13, 4:05 PM MST | Severe Thunderstorm Warning | TWC | Pima | 40 min |
| Aug 13, 4:11 PM MST | Flash Flood Warning | TWC | Pima | 64 min |
| Aug 13, 4:45 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 45 min |
Nearby
Flash Flood Warnings in Arizona, 2004Every flash flood warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.