Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 13, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 4, 1996, 5:13 PM MST for Yavapai County, Arizona. It was in force for 47 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 4, 1996, 5:13 PM MST (00:13 UTC)
- Expired
- Jul 4, 1996, 6:00 PM MST
- In force
- 47 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 00:13 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 0.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2216 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 56 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 KFLG 050013 SVRFLG AZC025-050100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 513 PM MST THU JUL 4 1996 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ARIZONA ...NORTHEASTERN YAVAPAI COUNTY AT 510 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING A SEVERE THUNDERSTORM 5 MILES EAST OF JEROME. THE STORM IS DRIFTING SLOWLY NORTHEAST AND WILL EFFECT COTTONWOOD AND CLARKEDALE THROUGH 600 PM MST. SEVERE THUNDERSTORMS PRODUCE HAIL 3/4 OF AN INCH IN DIAMETER OR GREATER...WIND GUSTS IN EXCESS OF 58 MPH...DEADLY LI:GHTNING AND VERY HEAVY RAIN. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. PASSETTI
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 4, 1:56 PM MST, 3 hours 17 minutes earlier.
Area forecast discussion, Jul 4, 1:56 PM MST, 3 hours 17 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 200 PM MST THU JUL 4 1996 THUNDERSTORMS CONTINUE TO DEVELOP OVER THE CWA WITH SOME SHOWING CIRCULATION NORTH OF FLG. THUS...NOT TOO MUCH TIME TO TALK. NOT GOING TO CHANGE TOO MUCH TO EXISTING TRENDS AS ALL MODELS STILL SIGNAL A CONTINUED MONSOONAL PATTERN. WILL UP POPS IN MOST LOCATIONS ALONG RIM AND SOUTH FOR TONIGHT DUE TO PRECIP CONTINUING INTO THE LATE EVENING. OTHERWISE...HAVE TWEAKED TEMPS DOWNWARD A BIT IN SOME LOWER ELEVATION LOCATIONS...SEDONA...ETC PER PERSISTENCE. PASSETTI
In the hours before
Special weather statement, Jul 4, 11:38 AM MST, 5 hours 35 minutes before
AZZ004>007-011>014-042100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1130 AM MST THU JUL 4 1996 ...ANOTHER ACTIVE WEATHER DAY EXPECTED FOR NORTHERN ARIZONA... AT 11:30 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND LIGHTNING DETECTION EQUIPMENT INDICATED THAT THUNDERSTORMS HAD BEGUN FORMING ON THE HIGHER TERRAIN OF NORTHERN ARIZONA. THE STRONGEST STORM WAS LOCATED 5 MILES SOUTHEAST OF PRESCOTT IN YAVAPAI COUNTY AND SHOWED LITTLE MOVEMENT. ANOTHER THUNDERSTORM WAS IN YAVAPAI COUNTY 15 MILES SOUTH OF SELIGMAN. RADAR WAS ESTIMATING RAINFALL RATES NEAR ONE INCH PER HOUR WITH THESE STORMS...WHICH ARE OVER AREAS WHICH RECEIVED SIGNIFICANT RAINS YESTERDAY. ANOTHER ACTIVE WEATHER DAY IS EXPECTED IN NORTHERN ARIZONA ON THIS FOURTH OF JULY HOLIDAY WITH THUNDERSTORMS PRODUCING HEAVY RAIN... FREQUENT LIGHTNING...SMALL HAIL AND GUSTY WINDS. DRIVERS IN NORTHERN ARIZONA SHOULD BE PREPARED FOR REDUCED VISIBILITY IN HEAVY RAIN AND SLICK WET ROADS. PEOPLE WITH OUTDOOR ACTIVITIES ON THIS HOLIDAY SHOULD BE ESPECIALLY ALERT TO THE DANGER OF DEADLY LIGHTNING WITH STORMS. SEEK STURDY SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION. AGAIN...THE THUNDERSTORMS TODAY HAVE THE CAPABILITY OF PRODUCING HEAVY RAIN. STREAMS MAY FILL QUICKLY WITH WATER. DRIVERS SHOULD NOT ATTEMPT TO CROSS WATER COVERED ROADS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA SOURCES FOR THE LATEST ON THE WEATHER SITUATION. SIGL|ER
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 2:18 PM MST | Severe Thunderstorm Warning | FGZ | Navajo | 47 min |
| Jul 5, 3:17 PM MST | Severe Thunderstorm Warning | FGZ | Gila, Navajo | 48 min |
| Jul 5, 4:02 PM MST | Severe Thunderstorm Warning | FGZ | Gila, Navajo | 48 min |
| Jul 5, 4:54 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Gila | 46 min |
| Jul 5, 4:54 PM MST | Severe Thunderstorm Warning | FGZ | Navajo | 46 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1996Every severe thunderstorm 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; radar from the NEXRAD Level II archive.