Alert archive / Arizona / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Flagstaff, AZ

July 8, 1996Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jul 8, 1996, 7:45 PM MST for Yavapai County, Arizona. It was in force for 60 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
Jul 8, 1996, 7:45 PM MST (02:45 UTC)
Expired
Jul 8, 1996, 8:45 PM MST
In force
60 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, 2.8 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 00:00Z on 1996-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 00:00Z on 1996-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2304 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jul 8, 1:41 PM MST, 6 hours 4 minutes earlier.

Area forecast discussion, Jul 8, 1:41 PM MST, 6 hours 4 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
200 PM MST MON JUL 8 1996

ANOTHER ACTIVE AFTN ACROSS THE REGION. THTE RIDGE AND DEWPOINT
PROFILE INDICATE CHC OF HEAVY TO VERY HEAVY RAINFALL IN ZNES 12
THROUGH 14...BOTH THIS EVE AND ESPECIALLY EASTERN MTNS TUE.
ATM STABLIZES A BIT OVR WESTERN ZONES EXCEPT FOR NW...AS MOISTURE
DECREASE SLIGHTLY THERE BY WED ACCORDING TO LATEST RAFS. PRECIP
WATER RIDGE AXIS SHIFTS EAST BY WED AS WELL. SO SOMEWHAT LWR
POPS FOR WESTERN YAVAPAI AREA. BEST CAPE ON ETA INDICATED TODAY
BUT MODERATE INSTABILITY FOR AREAS EAST OF FLAG AGAIN TUE AND
DECIDED TO RAISE CATEGORY FOR EASTERN MTNS TUE AS STORM COVERAGE
SHOULD VINDICATE.

MOTHER EARTH HAS HANDLED HEAVY RAINFALL TOTALS WELL LAST FEW DAYS
ACCORDING TO SPOTTERS...BUT CONTD EXCESSIVE RAINFALL MAY BECOME
MORE OF PROBLEM THIS WEEK.

BT

In the hours before

Special weather statement, Jul 8, 3:16 PM MST, 4 hours 29 minutes before
AZZ004>007-0012>014-090000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
315 PM MST MON JUL 8 1996

...SCATTERED THUNDERSTORMS WITH LOCALLY HEAVY RAIN ACROSS NORTHERN
   ARIZONA...

AT 3:00 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS IN CENTRAL COCONINO COUNTY EXTENDING FROM 10
MILES NORTH OF FLAGSTAFF TO 20 MILES SOUTH OF THE GRAND CANYON
VILLAGE. THIS LINE WAS MOVING NORTHEAST AT 20 MILES AN HOUR WITH THE
STRONGEST STORM IN THE LINE 10 MILES NORTH OF FLAGSTAFF.
OTHER STORMS WERE LOCATED IN NORTHERN YAVAPAI COUNTY...SOUTHERN
NAVAJO COUNTY AND NORTHERN GILA COUNTY.

THESE STORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN...FREQUENT
LIGHTNING...SMALL HAIL AND GUSTY WINDS. DRIVERS ON HIGHWAY 180 NORTH
OF FLAGSTAFF SHOULD BE PREPARED FOR REDUCED VISIBILITY IN HEAVY RAIN
AND SLICK ROADS. STREAMS AND LOW AREAS MAY FILL QUICKLY WITH WATER.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA SOURCES FOR THE
LATEST ON THE WEATHER SITUATION.

SIGLER
Special weather statement, Jul 8, 6:34 PM MST, 1 hour 11 minutes before
AZZ007-008-011>014-090340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
634 PM MST MON JUL 8 1996

...THUNDERSTORMS CONTINUED OVER NORTHERN ARIZONA...

AT 630 PM NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE THUNDERSTORMS OVER EASTERN YAVAPAI...SOUTHERN
COCONINO...SOUTHERN NAVAJO...AND SOUTHERN APACHE
COUNTIES.  THE STRONGEST STORMS EXTENDED IN A LINE...ABOUT
20 MILES WIDE...FROM 20 MILES EAST OF PAYSON...TO JUST EAST
OF WINSLOW.

THESE STORMS CONTAIN GUSTY WINDS...AS THESE STORMS PASSED
OVER WINSLOW...35 MILE AN HOUR WIND GUSTS WERE REPORTED.
GUSTY WINDS WERE ALSO REPORTED ALONG INTERSTATE 40 BETWEEN
WINSLOW AND HOLBROOK.

BRIEF HEAVY RAIN AND DEADLY LIGHTNING CAN ALSO BE
EXPECTED WITH THESE STORMS AS THEY PASS OVER YOUR LOCATION.
THUNDERSTORM ACTIVITY SHOULD DISSIPATE AFTER SUNSET.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE NEWS
SOURCE FOR FURTHER UPDATES.
MCGRATH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:46 PM MSTFlash Flood WarningFGZYavapai59 min
Jul 8, 8:51 PM MSTFlash Flood WarningFGZYavapai44 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.