Alert archive / Arizona / Flash Flood Warnings in 1997
Flash Flood Warning 43, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Sep 15, 1997, 6:54 PM MST for Gila County, Arizona. It was in force for 61 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 15, 1997, 6:54 PM MST (01:54 UTC)
- Expired
- Sep 15, 1997, 7:55 PM MST
- In force
- 61 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 01:54 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
Tuscon, AZ (KTUS), launched 00:00Z, 1.9 hours before the alert went out and 181 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
- 657 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 2030 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 19 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 flash flood 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 flash flood warning went out at Sep 15, 2:42 PM MST, 4 hours 12 minutes earlier.
Area forecast discussion, Sep 15, 2:42 PM MST, 4 hours 12 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 230 PM MST MON SEP 15 1997 STDY STREAM OF DEEP MOISTR CONTS LFTNG NEWRD ACRS MCH OF OUR CWA. CLD TOPS CONT TO COOL OVR OUR RGN AND UPSTREAM OVR SRN CA. WK EMBDD SHRT WVS IN DEEP MOISTR PLUME OVR CNTRL SCTNS OF OUR CWA WTH STRNG SHRT WV EVDNT IN WV IMGRY OVR S CNTRL NV. FRLY ORGNZD LINE OF CONVECTION ATTM FRM NRN AZ NR PGA SSWRD TO NR FLG. OTHR ACTVTY RTHR WDSPRD ACRS THE RMNDR OF OUR CWA WTH ANTHR CONCENTRATED AREA FAR ERN SCTNS. WV LOOPS SUGGEST MR ACTN LTR THIS AFTN BHND ACTVTY UP N AS STRNG SHRT WV CLIPS NWRN SCTNS AND THIS SUPPORTED BY COOLING CLD TOPS UPSTRM OVR SERN CA WHCH ARE LFTNG NEWRD TWRD XTRM SRN NV ATTM. MODELS ALL SHW DRYNG TO OVRSPRD NWRN SCTNS TNGT BHND SHRT WV CROSSING NV WTH DEEP MOISTR AXS TO BE DSPLCD MR OVR SRN AND ERN SCTNS NXT TWO DYS. TRNDS SUGGEST THIS TO TK PLC RTHR SLWLY THO SO WILL KEEP ACTVTY GOING INTO THE NGT FAR NW WTH ACTVTY ALL NGT XPCTD FRTHR S AND E. BST ACTN NXT TWO DYS SRN AND ERN SCTNS BUT WILL STILL KP ISOLD POPS FAR NW AS LOW MOISTURE WILL BE HRD TO COMPLETELY SCOUR OUT. KHW FLG 643 INW 543 FLG...FLASH FLOOD WATCH ZONES 4>8 AND 15...16...18 TIL 04Z.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 5:49 PM MST | Flash Flood Warning | FGZ | Gila | 61 min |
| Sep 15, 5:49 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 61 min |
| Sep 15, 5:50 PM MST | Flash Flood Warning | FGZ | Gila | 60 min |
| Sep 15, 5:50 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 60 min |
| Sep 15, 6:54 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 61 min |
| Sep 16, 2:25 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 65 min |
Nearby
Flash Flood Warnings in Arizona, 1997Every flash flood warning in 1997
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.