Alert archive / Arizona / Flash Flood Warnings in 1986
Flash Flood Warning 6, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 29, 1986, 6:00 PM MST for Gila County, Arizona. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 1986, 6:00 PM MST (01:00 UTC)
- Expired
- Aug 29, 1986, 8:00 PM MST
- In force
- 2 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Winslow (Autob), AZ (KINW), launched 00:00Z, 1.0 hours before the alert went out and 136 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
- 121 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1869 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 5 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 300106 COR FFWPHX AZC007-300300- BULLETIN...EBS ACTIVATION REQUESTED FLASH FLOOD WARNING BULLETIN...CORRECTION... NATIONAL WEATHER SERVICE PHOENIX AZ 600 PM MST FRI AUG 29 1986 THE NATIONAL WEATHER SERVICE OFFICE IN PHOENIX HAS ISSUED A FLASH FLOOD WARNING UNTIL 800 PM MST FRIDAY FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL ARIZONA..GILA THE FLASH FLOOD WARNING IS FOR NORTHERN GILA COUNTY.. INCLUDING PAYSON AND THE AREA EAST TO CHRISTOPHER CREEK AND SOUTH OF PAYSON TO PUNKIN CENTER AND SUNFLOWER. A LINE OF THUNDERSTORMS MOVING SOUTH OFF THE MOGOLLON RIM HAS CAUSED TORRENTIAL RAINS AND HAIL AT PSYSON.. CAUSING CONSIDERABLLE FLOODING IN NORMALLY DRY WASHES IN TOWN. PHOENIX RADAR INDICATES HEAVY RAINS EXTEND OVER MUCH OF NORTHERN GILA COUNTY AND ARE SPREADING SOUTHWARD. PERSONS IN FLOOD PRONE AREAS SHOULD MOVE TO HIGH GROUND IMMEDIATELY. STAY OUT OF WASHES AND CANYONS IN THE AREA. CAMPERS AND PICNICERS MAKE SURE YOU ARE PARKED ON HIGH GROUcND.. WELL AWAY FROM ANY STREAM OR WASH. TENHARKEL
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 29, 1:18 PM MST, 4 hours 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 115 PM MST FRI AUG 29 1986 ..THUNDERSTORM ACTIVITY ONCE AGAIN DEVELOPING ACROSS ARIZONA... VERY MOIST AND UNSTABLE AIR CONTINUES ACROSS ARIZONA TODAY..AND AT THE NOON HOUR WIDELY SCATTERED LOCALLY HEAVY THUNDERSTORMS WERE DEVELOPING ACROSS MUCH OF THE STATE. AT 1 PM RADAR SHOWED THE HEAVIEST THUNDERSTORMS WERE BETWEEN MIAMI AND SUPERIOR AND IN THE NORTHEAST NEAR CANYON DE CHELLY. THE POTENTIAL FOR FLASH FLOODING ACROSS THE STATE THIS AFTERNOON IS VERY HIGH. THE GROUND IS SATURATED FROM RECENT HEAVY RAINFALL AND ANY ADDITIONAL RAIN WILL LIKELY RUN OFF. PERSONS PLANNING TO TRAVEL OR OTHER OUTDOOR ACTIVITY THIS AFTERNOON AND cEVENING CAN EXPECT SCATTERED THUNDERSTORMS..SOME OF STORMS WILL LIKEY BE VIOLENT..WITH HEAVY RAINS..LOCALIZED FLOODING AND STRONG WINDS. DGS 29/2016Z
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 10:25 PM MST | Flash Flood Warning | PSR | Pinal | 95 min |
| Aug 29, 10:25 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 95 min |
| Aug 29, 10:55 PM MST | Flash Flood Warning | PSR | Maricopa | 65 min |
| Aug 29, 10:55 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 65 min |
Nearby
Flash Flood Warnings in Arizona, 1986Every flash flood warning in 1986
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.