Alert archive / Arizona / Flash Flood Warnings in 2015
Flash Flood Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 5, 2015, 2:14 PM MST for Pima County, Arizona. It was in force for 2 hr. 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 5, 2015, 2:14 PM MST (21:14 UTC)
- Expired
- Jul 5, 2015, 4:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 90 km from the middle of the area, began a volume at 21:15 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 (KDMA), launched 12:00Z, 9.2 hours before the alert went out and 59 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
- 522 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1704 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
981
WGUS55 KTWC 052114
FFWTWC
AZC019-052315-
/O.NEW.KTWC.FF.W.0002.150705T2114Z-150705T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
214 PM MST SUN JUL 5 2015
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL PIMA COUNTY IN SOUTHEASTERN ARIZONA...
* UNTIL 415 PM MST
* AT 209 PM MST...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS CENTRAL PIMA COUNTY INCLUDING PARTS OF
THE TOHONO O'ODHAM NATION. RADAR ESTIMATES OF 2 TO 3 INCHES OF
RAINFALL WITH ISOLATED AREAS OF OVER 3 INCHES HAVE OCCURRED WITH
THESE SLOWLY MOVING THUNDERSTORMS...AND ADDITIONAL RAINFALL IS
EXPECTED. FLASH FLOODING OF LOW WATER CROSSINGS AND LOW LYING
AREAS IS LIKELY ALREADY OCCURRING OR EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KITT PEAK...AVRA VALLEY...FRESNAL CANYON...SAN PEDRO...QUEENS
WELL...SAN ISIDRO...PAN TAK...SANTA ROSA RANCH...SILVER BELL...
LITTLE TUCSON AND SOUTH KOMELIK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...ROADS...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING
SPOTS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG WASHES AND STREAMS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3250 11134 3167 11137 3170 11182 3250 11175
$$
FRENCH2 follow-up statements
774 WGUS75 KTWC 052220 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 320 PM MST SUN JUL 5 2015 AZC019-052315- /O.CON.KTWC.FF.W.0002.000000T0000Z-150705T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 320 PM MST SUN JUL 5 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM MST FOR CENTRAL PIMA COUNTY... AT 306 PM MST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS CENTRAL PIMA COUNTY FROM THE PINAL COUNTY BORDER TO THE MEXICO BORDER. DOPPLER RADAR INDICATES RAINFALL AMOUNTS OF 2 TO 3 INCHES WITH ISOLATED SPOTS OF OVER 3 INCHES HAVE FALLEN OVER THE LAST SEVERAL HOURS. FLASH FLOODING OF LOW WATER CROSSINGS AND LOW LYING AREAS IS EXPECTED TO CONTINUE. SLOW WEAKENING OF THESE STORMS IS OCCURRING AS THEY MOVE SLOWLY NORTHWARD AT 5 TO 10 MPH. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... KITT PEAK...AVRA VALLEY...FRESNAL CANYON...SAN PEDRO...QUEENS WELL... SAN ISIDRO...PAN TAK...SANTA ROSA RANCH...SILVER BELL...LITTLE TUCSON AND SOUTH KOMELIK. LAT...LON 3250 11134 3167 11137 3170 11182 3250 11175 $$ FRENCH
533 WGUS75 KTWC 052314 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 414 PM MST SUN JUL 5 2015 AZC019-052319- /O.EXP.KTWC.FF.W.0002.000000T0000Z-150705T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 414 PM MST SUN JUL 5 2015 ...THE FLASH FLOOD WARNING FOR CENTRAL PIMA COUNTY WILL EXPIRE AT 415 PM MST... THE HEAVY RAINFALL OVER CENTRAL PIMA COUNTY WHICH PROMPTED THE WARNING IS WEAKENING AND FLOOD WATERS ARE LIKELY BEGINNING TO RECEDE. THERE IS NO LONGER A THREAT TO LIFE OR PROPERTY AT THIS TIME. HOWEVER...SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THIS AREA THROUGH THE EVENING HOURS...AND A FLOOD ADVISORY WILL REMAIN IN EFFECT UNTIL 645 PM MST. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 3250 11134 3167 11137 3170 11182 3250 11175 $$ FRENCH
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 11:58 AM MST | Areal Flood Advisory | TWC | Pima | 107 min |
| Jul 5, 1:04 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Jul 5, 1:51 PM MST | Areal Flood Advisory | TWC | Pima | 54 min |
| Jul 5, 1:52 PM MST | Severe Thunderstorm Warning | TWC | Pima | 23 min |
| Jul 5, 4:02 PM MST | Areal Flood Advisory | TWC | Pima | 118 min |
| Jul 5, 4:09 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2015Every flash flood warning in 2015
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.