Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 13, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Aug 1, 1996, 11:21 PM MST for Yavapai County, Arizona. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1996, 11:21 PM MST (06:21 UTC)
- Expired
- Aug 2, 1996, 1:15 AM MST
- In force
- 114 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Yavapai County, AZ
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 6.4 hours before the alert went out and 98 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2287 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFLG 020621 FFWFLG AZC025-020815- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1121 PM MST THU AUG 1 1996 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 115 AM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ARIZONA ...SOUTHWESTERN YAVAPAI COUNTY AT 1115 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING A CLUSTER OF THUNDERSTORMS OVER SOUTHWESTERN YAVAPAI COUNTY BETWEEN BAGDAD AND CONGRESS. THESE THUNDERSTORMS HAVE BEEN PRODUCING HEAVY RAIN AT A RATE OF 2 INCHES PER HOUR AND THE YAVAPAI COUNTY SHERIFF REPORTS U.S. ROUTE 97 FROM U.S. ROUTE 93 INTO BAGDAD IS FLOODED AND IMPASSABLE. RADAR ESTIMATES OF 2 INCHES OF RAIN PER HOUR HAVE ALSO CURRENTLY BEEN OBSERVED ALONG U.S. 93 JUST NORTHWEST OF CONGRESS AND FLASH FLOODING IS LIKELY HERE THROUGH THE NEXT TWO HOURS. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! IF YOU ARE INl THE WARNED AREA...MOVE TO HIGHER GROUND NOW. PASSETTI &
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.
NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 1, 8:31 PM MST, 2 hours 50 minutes earlier.
Area forecast discussion, Aug 1, 8:31 PM MST, 2 hours 50 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 830 PM MST THU AUG 1 1996 IT END UP BEING FAIRLY BUSY. DID NOT HAVE MUCH TIME TO LOOK AT THE MODEL RUNS. AT FIRST GUESS I WOULD BE SURPRISE THAT TWO DAYS WILL BE ALL IT TAKES TO TAKE OUT ALL THE SHOWERS OUT OF HERE. RADAR ESTIMATES APPROACHED THE FIVE INCH MARK IN PLACES INDICATING WE NEED TO DRY THINGS UP REALLY FAST TO MAKE SATURDAY WITH ISOLATED SHOWERS AROUND THE AREA. WHAT LITTLE I SAW OF NEW ETA IT APPEARS THAT THE RIM SOUTHWARD COULD BE ANOTHER INTERESTING AFTERNOON ON FRI. MADE VERY LITTLE CHANGES TO THE FORECASTS BUT FEEL SOMEWHAT UNEASY DRYING THINGS SO FAST CONSIDERING WHAT HAPPENED THIS EVENING. FLG 3421 INW 2310 HP
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:03 PM MST | Flash Flood Warning | FGZ | Yavapai | 57 min |
| Aug 2, 1:33 PM MST | Severe Thunderstorm Warning | FGZ | Coconino | 62 min |
| Aug 2, 4:20 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 40 min |
| Aug 2, 4:46 PM MST | Flash Flood Warning | FGZ | Yavapai | 74 min |
Nearby
Flash Flood Warnings in Arizona, 1996Every flash flood warning in 1996
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.