Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 65, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 29, 1996, 3:11 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 34 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 29, 1996, 3:11 PM MST (22:11 UTC)
- Expired
- Aug 29, 1996, 3:45 PM MST
- In force
- 34 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
Counties Coconino County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 113 km from the middle of the area, began a volume at 22:13 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 12:00Z, 10.2 hours before the alert went out and 33 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
- 609 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1655 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 Aug 29, 2:02 PM MST, 1 hour 9 minutes earlier.
Area forecast discussion, Aug 29, 2:02 PM MST, 1 hour 9 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 200 PM MST THU AUG 29 1996 5H RIDGE AXIS TO SWING OVER CWA NEXT FEW DAYS. SOME DRYING MID TO UPPER LEVELS TO OCCUR...MAINLY OVER THE NORTHERN PORTIONS. DECENT DP VALUES SHOWING UP IN LITTLE CO VALLEY AS WELL AS OVER YAVAPAI CNTY AT THIS TIME. EXPECT DECENT ACT TO DEVELOP LATER ON THIS AFT IN THIS AFT AND EVENING WITH STORMS PROPAGATING SOUTHWARD INTO THE VALLEYS...WHERE GREATEST MOISTURE LIES. KEEPING POPS UP THIS EVENING ZNS 7 13. IN EXTENDED SLOWLY DRYING THINGS OFF N TO S AS DRYER AIR WORKS IN. FOR TEMPS MAKING SOME MINOR ADJUSTMENTS TO NGM MOS. MCGRATH
In the hours before
Special weather statement, Aug 29, 1:11 PM MST, 2 hours before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 29, 2:12 PM MST, 59 minutes before
AZZ007-292315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 210 PM MST THU AUG 29 1996 ...STRONG THUNDERSTORMS IN CENTRAL YAVAPAI COUNTY... AT 210 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER CENTRAL YAVAPAI COUNTY. THE STRONGEST STORM WAS OVER PRESCOTT VALLEY MOVING SOUTHWEST AT 10 MILES AN HOUR AND WILL AFFECT PRESCOTT VALLEY THROUGH 230 PM AND PRESCOTT BY 245 PM. A SKYWARN WEATHER SPOTTER IN PRESCOTT VALLEY REPORTED 1/2 INCH HAIL WITH THIS STORM AT 210 PM. IF YOU ARE OUTDOORS AND A STORM APPROACHES...MOVE TO A PLACE OF SHELTER IMMEDIATELY. MOTORISTS SHOULD REMAIN ALERT FOR STREET FLOODING AND REDUCED VISIBILITIES IN HEAVY RAIN. SIGLER
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:00 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 45 min |
| Aug 29, 3:18 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 57 min |
| Aug 29, 3:19 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 56 min |
| Aug 29, 3:30 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 45 min |
| Aug 29, 3:47 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 63 min |
| Aug 29, 4:16 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 29 min |
| Aug 29, 4:45 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 30 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.