Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 49, NWS Tucson, AZ

August 8, 2005Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 8, 2005, 1:21 AM MST for Pima County, Arizona. It was in force for 54 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: Aug 8, 2005, 1:21 AM MST (08:21 UTC)
Expired: Aug 8, 2005, 2:15 AM MST
In force: 54 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), 62 km from the middle of the area, began a volume at 08:20 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, 8.4 hours before the alert went out and 31 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 121 J/kg
Mixed-layer CIN: -195 J/kg
Mixed-layer LCL: 2129 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KTWC 080827
FFWTWC
AZC019-081015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
121 AM MST MON AUG 8 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA
  THIS INCLUDES SOUTH AND WEST TUCSON...RYAN FIELD...THREE POINTS

* UNTIL 315 AM MST

* AT 120 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR
  FAR WESTERN TUCSON TO 8 MILES NORTHEAST OF THREE POINTS TO 10 MILES
  NORTHWEST OF GREEN VALLEY...MOVING WEST AT 1O TO 15 MPH. THIS 
  WARNING EXTENDS AND REPLACES THE PREVIOUS FLASH FLOOD WARNING FOR
  EAST CENTRAL PIMA COUNTY.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  THREE POINTS BY 145 AM MST
  KITT PEAK BY 300 AM MST

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.

LAT...LON 3234 11102 3215 11087 3211 11076 3192 11087
      3179 11176 3212 11181 3238 11168

$$

WEATHER.GOV/TUCSON

2 follow-up statements

000 
WGUS75 KTWC 080910
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
204 AM MST MON AUG 8 2005

AZC019-081015-
PIMA AZ-
204 AM MST MON AUG 8 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 315 AM MST FOR EASTERN PIMA
COUNTY...

AT 200 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING. THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF MARANA TO NEAR 
THREE POINTS TO 20 MILES WEST OF GREEN VALLEY...MOVING WEST AT 10 TO 
15 MPH.

THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  KITT PEAK BY 240 AM MST
  SANTA ROSA RANCH BY 310 AM MST

ELSEWHERE...ISOLATED THUNDERSTORMS WERE REDEVELOPING OVER PORTIONS 
OF EAST AND SOUTHEAST TUCSON...AS WELL AS RURAL AREAS EAST OF GREEN 
VALLEY...WITH MOVEMENT TO THE WEST AT 10 TO 15 MPH. EXPECT LOCALLY 
HEAVY RAINFALL FROM THOSE STORMS AS WELL...WITH HEAVY RUNOFF 
CONTINUING FROM EARLIER STORMS ACROSS MOST OF THE AREA.

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 DRIVE 
INTO FLOODED AREAS OR AROUND BARRICADES.

LAT...LON 3234 11102 3215 11087 3211 11076 3192 11087
      3179 11176 3212 11181 3238 11168

$$

WEATHER.GOV/TUCSON

000 
WGUS75 KTWC 080956
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
251 AM MST MON AUG 8 2005

AZC019-081015-
PIMA AZ-
251 AM MST MON AUG 8 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 315 AM MST FOR EASTERN PIMA
COUNTY...

AT 245 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING. THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM JUST EAST OF SANTA ROSA RANCH TO 
NEAR KITT PEAK TO 15 MILES SOUTHEAST OF SELLS...MOVING WEST AT 10 TO 
15 MPH.

FURTHER EAST STORMS WERE REDEVELOPING ACROSS EASTERN AND SOUTHERN 
TUCSON...ALSO WITH MOVEMENT TO THE WEST. EXPECT LOCALLY HEAVY 
RAINFALL FROM THOSE STORMS AS WELL...WITH HEAVY RUNOFF CONTINUING 
FROM EARLIER STORMS ACROSS MOST OF THE AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CONTINUE TO 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 DRIVE INTO FLOODED AREAS OR AROUND BARRICADES.

LAT...LON 3234 11102 3215 11087 3211 11076 3192 11087
      3179 11176 3212 11181 3238 11168

$$

WEATHER.GOV/TUCSON

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 12:18 AM MST	Flash Flood Warning	TWC	Pima	57 min
Aug 8, 1:05 AM MST	Severe Thunderstorm Warning	TWC	Pima	38 min

Nearby

Flash Flood Warnings in Arizona, 2005 Every flash flood warning in 2005

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.