Alert archive / Arizona / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 21, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 5, 2001, 1:34 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 5, 2001, 1:34 PM MST (20:34 UTC)
- Expired
- Jul 5, 2001, 2:15 PM MST
- In force
- 41 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Coconino County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 44 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 64 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
- 393 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1839 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KFGZ 052037 SVRFLG AZC005-025-052115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 134 PM MST THU JUL 5 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME SOUTH CENTRAL COCONINO COUNTY IN ARIZONA EXTREME EAST CENTRAL YAVAPAI COUNTY IN ARIZONA * UNTIL 215 PM MST * AT 134 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES EAST OF RIMROCK...OR ABOUT 18 MILES EAST OF CAMP VERDE...MOVING SOUTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT OR PASS CLOSE TO... 4 MILES SOUTHEAST OF RIMROCK...4 MILES SOUTHEAST OF LAKE MONTEZUMA AT 215 PM MST WET BEAVER CREEK WILL CARRY RUNOFF FROM THIS STORM. AVOID THESE AREAS AS WATER LEVELS OF SMALL STREAMS AND RIVERS MAY RISE... THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. LAT...LON 3466 11181 3453 11175 3467 11142 3480 11155 MAS
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:34 PM MST | Severe Thunderstorm Warning | FGZ | Coconino | 41 min |
| Jul 4, 9:18 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 27 min |
| Jul 5, 11:50 AM MST | Severe Thunderstorm Warning | FGZ | Coconino | 35 min |
| Jul 5, 12:52 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 43 min |
| Jul 5, 1:58 PM MST | Flash Flood Warning | FGZ | Yavapai | 2 hr |
| Jul 5, 2:13 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 47 min |
| Jul 5, 3:08 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 52 min |
| Jul 5, 4:06 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 39 min |
| Jul 5, 4:32 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 43 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2001Every severe thunderstorm warning in 2001
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.