Alert archive / Arizona / Flash Flood Warnings in 1995
Flash Flood Warning 22, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 11, 1995, 3:46 PM MST for Graham County, Arizona. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1995, 3:46 PM MST (22:46 UTC)
- Expired
- Aug 11, 1995, 4:45 PM MST
- In force
- 59 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Graham County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 10.8 hours before the alert went out and 127 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
- 37 J/kg
- Mixed-layer CIN
- -331 J/kg
- Mixed-layer LCL
- 2172 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 112249 FFWPHX AZC009-112345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 346 PM MST FRI AUG 11 1995 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 445 PM MST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTHEAST ARIZONA ...SOUTHWESTERN GRAHAM COUNTY AT 340 PM MST...DOPPLER RADAR CONTINUED TO SHOW THUNDERSTORMS OVER THE CORONADO NATIONAL FORECAST IN SOUTHWEST GRAHAM. EVEN THOUGH THE STRONGER THUNDERSTORMS HAVE MOVED WEST INTO EASTERN PINAL COUNTY...LIGHT TO MODERATE RAINFALL CONTINUED OVER PORTIONS OF THE CORONADO NATIONAL FORECAST. AT 330 PM MST...STORMS SPOTTERS WEST OF MT. GRAHAM REPORTED THAT THE ARAVAIPA CREEK CONTINUED TO RISE WITH FLOODING OBSERVED IN SOME LOW LYING AREAS NEAR THE CREEK. CAMPERS AND HIKERS IN THE ARAVAIPA VALLEY SHOULD MOVE TO HIGHER GROUND. FLASH FLOODING IS ALREADY HAPPENING OR ABOUT TO HAPPEN. MOVE AWAY FROM STREAMS OR WASHES. HEAD FOR HIGHER GROUND. ON THE HIGHWAY...SLOW DOWN AND KEEP A SHARP LOOKOUT AHEAD FOR FLOODING. &
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 11, 1:35 PM MST, 2 hours 11 minutes before
AZZ010-112135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 135 PM MST FRI AUG 11 1995 ...STRONG THUNDERSTORMS IN SOUTHERN GRAHAM COUNTY NEAR MT. GRAHAM... AT 1:15 PM MST...PHOENIX DOPPLER RADAR HAS INDICATED STRONG THUNDERSTORMS WITH POSSIBLE HAIL AND HEAVY RAIN IN THE MT. GRAHAM AREA IN THE CORONADO NATIONAL FOREST. THESE THUNDERSTORMS HAVE SHOWN LITTLE MOVEMENT. CAMPERS AND HIKERS IN THIS AREA SHOULD BE ALERT FOR POSSIBLE HEAVY RAIN...DANGEROUS LIGHTNING...HAIL AND GUSTY WINDS. BERKOVITZ
Special weather statement, Aug 11, 2:56 PM MST, 50 minutes before
AZZ004-006-010-008-112230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 256 PM MST FRI AUG 11 1995 ...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER PORTIONS OF CENTRAL AND EASTERN ARIZONA... AT 250 PM MST WIDELY SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM COTTONWOOD AND CORDES JUNCTION EAST TO NEAR YOUNG AND CLIFTON. THIS ACTIVITY WAS INCREASING IN INTENSITY. MOVEMENT WAS NORTH AT 10 TO 15 MPH. AT 240 PM MST A STORM SPOTTER IN MAYER REPORTED .55 INCH OF RAINFALL WITHIN ONE HOUR ALONG WITH MINOR PONDING OF WATER ON ROADWAYS. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL AND POSSIBLY HAIL ARE EXPECTED TO CONTINUE FOR THE REMAINDER OF THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. DRUMMOND
Special weather statement, Aug 11, 2:58 PM MST, 48 minutes before
AZZ004-006-010-008-112230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 256 PM MST FRI AUG 11 1995 ...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER PORTIONS OF CENTRAL AND EASTERN ARIZONA... AT 250 PM MST WIDELY SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM COTTONWOOD AND CORDES JUNCTION EAST TO NEAR YOUNG AND CLIFTON. THIS ACTIVITY WAS INCREASING IN INTENSITY. MOVEMENT WAS NORTH AT 10 TO 15 MPH. AT 240 PM MST A STORM SPOTTER IN MAYER REPORTED .55 INCH OF RAINFALL WITHIN ONE HOUR ALONG WITH MINOR PONDING OF WATER ON ROADWAYS. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL AND POSSIBLY HAIL ARE EXPECTED TO CONTINUE FOR THE REM AINDER OF THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. DRUMMOND
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:14 PM MST | Flash Flood Warning | PSR | Pinal | 71 min |
| Aug 10, 6:14 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 71 min |
| Aug 11, 12:30 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 53 min |
| Aug 11, 2:10 PM MST | Flash Flood Warning | PSR | Graham | 85 min |
| Aug 11, 3:03 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 42 min |
| Aug 11, 3:44 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 56 min |
| Aug 11, 4:26 PM MST | Severe Thunderstorm Warning | PSR | Gila | 44 min |
Nearby
Flash Flood Warnings in Arizona, 1995Every flash flood warning in 1995
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.