Flash Flood Warning 71, NWS Tucson, AZ

Issued

Sep 15, 2011, 1:33 PM MST (20:33 UTC)

Expired

Sep 15, 2011, 3:30 PM MST

In force

117 min

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Pima County, AZ

The Tucson radar (KEMX), 42 km from the middle of the area, began a volume at 20:36 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

936 
WGUS55 KTWC 152033
FFWTWC
AZC019-152230-
/O.NEW.KTWC.FF.W.0071.110915T2033Z-110915T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
133 PM MST THU SEP 15 2011

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA...

* UNTIL 330 PM MST

* AT 126 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
  THUNDERSTORMS WITH HEAVY RAINFALL WERE OCCURRING OVER THE          
  TUCSON METRO AREA UP TO 2.00 INCHES OF RAIN HAS FALLEN OVER THE    
  PAST HOUR OVER THE SOUTHERN TUCSON METRO AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TUCSON
  INTERNATIONAL AIRPORT...SOUTH TUCSON...SAN XAVIER MISSION...SAGUARO
  NATIONAL PARK EAST...RITA RANCH AND DAVIS-MONTHAN AIR FORCE BASE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3211 11122 3225 11084 3224 11075 3211 11067
      3198 11114

$$

SHOEMAKER

092 
WGUS75 KTWC 152140
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
240 PM MST THU SEP 15 2011

AZC019-152230-
/O.CON.KTWC.FF.W.0071.000000T0000Z-110915T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
240 PM MST THU SEP 15 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM MST FOR EAST
CENTRAL PIMA COUNTY...

AT 227 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED 
AREA. HEAVY RAINFALL AND RUNOFF FROM EARLIER HEAVY RAINS WILL 
CONTINUE OVER THE TUCSON METRO AREA. RAINFALL AMOUNTS FROM 1.00 TO 
3.00 INCHES HAVE BEEN WIDESPREAD OVER THE SOUTHERN PORTION OF THE 
TUCSON METRO AREA. THE HEAVIEST RAINFALL HAS OCCURRED BETWEEN DAVIS 
MONTHAN AND SAHUARITA. THUNDERSTORMS WILL CONTINUE TO TRAIN OVER THE 
AREA THROUGH THE REST OF THE AFTERNOON. THIS IS VERY SERIOUS 
SITUATION WITH SIGNIFICANT FLASH FLOODING LIKELY.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH
TUCSON...SAGUARO NATIONAL PARK EAST AND DAVIS-MONTHAN AIR FORCE BASE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 3211 11122 3225 11084 3224 11075 3211 11067
      3198 11114

$$

SHOEMAKER

Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011

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.