Alert archive / Arizona / Flash Flood Warnings in 1994
Flash Flood Warning 9, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 25, 1994, 6:17 PM MST for Pinal County, Arizona. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 6:17 PM MST (01:17 UTC)
- Expired
- Aug 25, 1994, 7:15 PM MST
- In force
- 58 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 1.3 hours before the alert went out and 92 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
- 553 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 2202 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 127 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 260125
FFWPHX
AZC021-260235-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
617 PM MST THU AUG 25 1994
THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE
THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 735 PM MST FOR
PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTH CENTRAL ARIZONA
...EASTERN PINAL COUNTY...INCLUDING THE TOWNS OF DUDLEYVILLE
AND MAMMOTH ALONG STATE HIGHWAY 77
VERY STRONG THUNDERSTORMS HAVE MERGED OVER THE BACKCOUNTRY AREA JUST
EAST OF DUDLEYVILLE AND MAMMOTH IN EASTERN PINAL COUNTY. THESE
THUNDERSTORMS WILL LIKELY PRODUCE DAMAGING WINDS IN EXCESS OF 57 MPH AND
EXTREMELY HEAVY RAINS LEADING TO FLOODING OR FLASH FLOODING. MANY OF
THE WASHES AND DRAINAGES, INCLUDING ARAVAIPA CREEK, WILL LIKELY BE
RUNNING HIGH.
RADAR ESTIMATED RAINFALL RATES OF NEARLY 2 INCHES PER HOUR HAVE FALLEN
IN EASTERN PINAL COUNTY.
THE SEVERE THUNDERSTORM AND* FLASH FLOOD WARNING IS POSTED UNTIL 735 PM.
DO NOT ATTEMPT TO DRIVE THROUGH RISING WATER.
BE AWARE OF THE DANGER OF LOCAL FLOODING CAUSED BY THUNDERSTORM RAINS.
VASQUEZWhat 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 25, 4:24 PM MST, 1 hour 53 minutes before
AZZ008-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST THU AUG 25 1994 ...A CLUSTER OF STRONG THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS NORTHEAST OF THE CITIES OF GLOBE AND MIAMI... A SMALL CLUSTER OF THUNDERSTORMS HAVE BEEN DEVELOPING NEAR THE SALT RIVER CANYON NORTHEAST OF GLOBE AND MIAMI SINCE 3 PM. MOST OF THESE STORMS WERE LOCATED IN THE REMOTE MOUNTAINS AND PRODUCING LOCALLIZED RAINFALL RATES ON THE ORDER OF 1 TO 1.5 INCHES PER HOUR. THESE THUNDERSTORMS WERE SLOWLY MOVING TO THE SOUTHWEST, AND COULD EVENTUALLY MOVE INTO THE VICINITY OF GLOBE/MIAMI AROUND 530 OR 6PM. MOTORISTS DRIVING ON STATE HIGHWAY 77, AND OTHERS NEAR GLOBE/MIAMI, SHOULD MONITOR WEATHER CONDITIONS IN THE AREA. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. VASQUEZ
Special weather statement, Aug 25, 4:30 PM MST, 1 hour 47 minutes before
AZZ008-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST THU AUG 25 1994 ...A CLUSTER OF STRONG THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS NORTHEAST OF THE CITIES OF GLOBE AND MIAMI... A SMALL CLUSTER OF THUNDERSTORMS HAVE BEEN DEVELOPING NEAR THE SALT RIVER CANYON NORTHEAST OF GLOBE AND MIAMI SINCE 3 PM. MOST OF THESE STORMS WERE LOCATED IN THE REMOTE MOUNTAINS AND PRODUCING LOCALLIZED RAINFALL RATES ON THE ORDER OF 1 TO 1.5 INCHES PER HOUR. THESE THUNDERSTORMS WERE SLOWLY MOVING TO THE SOUTHWEST, AND COULD EVENTUALLY MOVE INTO THE VICINITY OF GLOBE/MIAMI AROUND 530 OR 6PM. MOTORISTS DRIVING ON STATE HIGHWAY 77, AND OTHERS NEAR GLOBE/MIAMI, SHOULD MONITOR WEATHER CONDITIONS IN THE AREA. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. VASQUEZ
Special weather statement, Aug 25, 5:50 PM MST, 27 minutes before
AZZ010-260230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 550 PM MST THU AUG 25 1994 ...STRONG THUNDERSTORMS IN EXTREME EAST PINAL COUNTY... AT 545 PM, PHOENIX DOPPLER RADAR DETECTED SCATTERED THUNDERSTORMS OVER PORTIONS OF EXTREME EAST PINAL COUNTY. THE STRONGEST THUNDERSTORM WAS CENTERED 10 MILES EAST OF WINKELMAN. MOVEMENT WAS TO THE SOUTH AT 10 MILES PER HOUR. THIS STORM WILL PRODUCE STRONG, GUSTY WINDS, LOCALLY HEAVY RAIN, AND SMALL HAIL, BUT SHOULD REMAIN MAINLY OVER OPEN COUNTRY EAST OF DUDLEYVILLE. A SECOND AREA OF STRONG STORMS EXTENDED FROM 5 MILES EAST OF MAMMOTH TO 10 MILES SOUTHEAST OF SAN MANUEL. THIS AREA WAS MOVING TO THE SOUTHWEST AT 10 TO 15 MILES PER HOUR. THE SAN MANUEL AREA WILL EXPERIENCE BRIEF, HEAVY RAIN AND WINDS OCCASIONALLY GUSTING TO 40 MILES PER HOUR BETWEEN 550 AND 630 PM MST. GREEN
Special weather statement, Aug 25, 6:13 PM MST, 4 minutes before
AZZ004-010-260200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 613 PM MST THU AUG 25 1994 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHEAST PINAL AND SOUTHERN GILA COUNTIES... AT 610 PM, PHOENIX DOPPLER RADAR DETECTED THUNDERSTORMS OVER NORTHEAST PINAL AND SOUTHERN GILA COUNTIES. THE STRONGEST STORM WAS LOCATED 13 MILES SOUTHEAST OF SUPERIOR. THIS STORM IS MOVING TO THE SOUTH AT 5 MILES PER HOUR. PERSONS IN THE COMMUNITIES OF KEARNY, RIVERSIDE, AND KELVIN CAN EXPECT BRIEF, HEAVY RAIN AND WINDS GUSTING TO 45 MILES PER HOUR BETWEEN 615 AND 645 PM. MOTORISTS ON STATE ROUTE 177 SHOULD BE PREPARED FOR RAPIDLY-CHANGING WEATHER CONDITIONS. LESS INTENSE STORMS WERE SCATTERED OVER FAR SOUTHERN GILA COUNTY. GREEN
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:17 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 58 min |
| Aug 26, 4:25 PM MST | Severe Thunderstorm Warning | PSR | Gila | 45 min |
Nearby
Flash Flood Warnings in Arizona, 1994Every flash flood warning in 1994
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.