Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 129, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Sep 13, 1996, 8:15 PM MDT for Navajo 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
- Sep 13, 1996, 8:15 PM MDT (02:15 UTC)
- Expired
- Sep 13, 1996, 9:15 PM MDT
- In force
- 60 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 122 km from the middle of the area, began a volume at 02:17 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, 2.3 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
- 32 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Sep 13, 3:02 PM MDT, 5 hours 13 minutes earlier.
Area forecast discussion, Sep 13, 3:02 PM MDT, 5 hours 13 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 200 PM MST FRI SEP 13 1996 SVR BOX JUST OUT...UPDATES TO DO. FLG 5300 INW 4300 PASSETTI
In the hours before
Special weather statement, Sep 13, 3:10 PM MDT, 5 hours 5 minutes before
AZZ007-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 210 PM MST FRI SEP 13 1996 ...STRONG THUNDERSTORMS IN YAVAPAI COUNTY... AT 210 PM MST...FLAGSTAFF DOPPLER RADAR INDICATED STRONG THUNDERSTORMS IN YAVAPAI COUNTY. ONE WAS FIVE MILES SOUTHWEST OF PRESCOTT WHILE ANOTHER WAS 15 MILES WEST OF CONGRESS. MOVEMENT WAS TO THE NORTHEAST AT 25 MPH. STRONG WIND GUSTS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND HAIL MAY AfCCOMPANY THESE STORMS. 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. BT
Special weather statement, Sep 13, 3:40 PM MDT, 4 hours 35 minutes before
AZZ007-011>013-132240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 240 PM MST FRI SEP 13 1996 ...SEVERE THUNDERSTORM WATCH INCLUDES MUCH OF CENTRAL ARIZONA... AT 235 PM MST...STRONG THUNDERSTORMS CONTINUED TO MOVE NORTHEAST AT 25 MPH ACROSS YAVAPAI COUNTY. THE STRONGEST STORMS WERE NEAR PRESCOTT VALLEY AND JUST NORTHEAST OF WICKENBURG. AT 215 PM HAIL 1/2 INCH IN DIAMETER WAS REPORTED IN PRESCOTT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM MST THIS EVENING AND INCLUDES MUCH OF CENTRAL ARIZONA. THUNDERSTORMS THIS AFTERNOON AND EVENING MAY PRODUCE DAMAGING WINDS ...HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. IF THREATENING WEATHER APPROACHES YOUR AREA FIND SAFE SHELTER AT ONCE. BT
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 6:11 PM MDT | Flash Flood Warning | FGZ | Yavapai | 49 min |
| Sep 13, 6:11 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 49 min |
| Sep 13, 6:21 PM MDT | Flash Flood Warning | FGZ | Gila | 99 min |
| Sep 13, 6:52 PM MDT | Flash Flood Warning | FGZ | Yavapai | 53 min |
| Sep 13, 6:52 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 53 min |
| Sep 13, 7:28 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 47 min |
| Sep 13, 7:32 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 48 min |
| Sep 13, 7:41 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 64 min |
| Sep 13, 7:55 PM MDT | Flash Flood Warning | FGZ | Gila | 2 hr |
| Sep 13, 8:19 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 56 min |
| Sep 13, 8:31 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 2 hr |
| Sep 13, 9:04 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 56 min |
| Sep 14, 6:30 AM MDT | Flash Flood Warning | FGZ | Gila | 85 min |
| Sep 14, 7:23 AM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 57 min |
| Sep 14, 7:37 AM MDT | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 63 min |
| Sep 14, 8:47 AM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 43 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.