Alert archive / Arizona / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 2, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 8, 1998, 4:17 PM MST for Gila County, Arizona. It was in force for 48 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, 1998, 4:17 PM MST (23:17 UTC)
- Expired
- Jul 8, 1998, 5:05 PM MST
- In force
- 48 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Gila County, AZ
The radar
The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 23:18 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
Phoenix, AZ (KPHX), launched 12:00Z, 11.3 hours before the alert went out and 115 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
- 1575 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
288 WUUS1 KFLG 082320 RRA SVRFLG AZC007-090005- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 417 PM MST WED JUL 8 1998 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN GILA COUNTY IN CENTRAL ARIZONA * UNTIL 505 PM MST * AT 415 PM MST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN THE VICINITY OF PAYSON MOVING SOUTH AT 10 MPH. IF YOU ARE IN THE WARNING AREA... SEEK SAFETY IN AN INTERIOR ROOM AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE... TRY TO FIND SHELTER IN A WELL PROTECTED AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND AND HAIL ALONG WITH VERY HEAVY RAIN AND FREQUENT LIGHTNING.
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 8, 2:45 PM MST, 1 hour 32 minutes earlier.
Area forecast discussion, Jul 8, 2:45 PM MST, 1 hour 32 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 245 PM MST WED JUL 8 1998 SYNOPSIS...MONSOON FLOW AROUND HIGH PRESSURE CENTERED OVER TEXAS WILL CONTINUE TO PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS ACROSS NORTHERN ARIZONA FOR THE NEXT SEVERAL DAYS. DISCUSSION...CIRCLTN SHOWG UP ON SATLT VIS IN WCNTRL NM ENHNCG CNVCTN NR TH WHT MTNS. ELSEWHERE TSS PULSING UP OVR HYR TRRN W/ CONTD DVLPMNT ALONG OUTFLOWS INTO THE VLYS. SO PRETTY STD MONSOON DAY. LTL CHANGE EXPCTD THE NEXT FEW DAYS AS MSTR APPEARS TO BE ENTRNCHD FOR A WHILE. MDLS DO SHOW TROF DIGGING INTO THE W COAST W/ RDG PUMPG UP OVR THE CNTRL US. SWLY FLOW MAY BE STRNG ENUF TO ERODE MSTR IN FAR NWRN AZ...BUT MOST OF OUR CWFA SHOULD STAY E OF THE MONSOON BNDRY. FLG141 INW-3- ...SIGLER .FLG...NONE.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:15 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 50 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1998Every severe thunderstorm warning in 1998
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.