Alert archive / Arizona / Flash Flood Warnings in 1997
Flash Flood Warning 52, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Sep 26, 1997, 10:32 AM MST for Yavapai County, Arizona. It was in force for 88 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 26, 1997, 10:32 AM MST (17:32 UTC)
- Expired
- Sep 26, 1997, 12:00 PM MST
- In force
- 88 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 17:33 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, 5.5 hours before the alert went out and 98 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
- 37 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFLG 261733 FFWFLG AZC025-261900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1032 AM MST FRI SEP 26 1997 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF AZ HAS EXTENDED THE FLASH FLOOD WARNING UNTIL 1200 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ARIZONA ...ALL OF YAVAPAI COUNTY EXCEPT THE NORTHWEST CORNER... AT 1015 AM MST...REPORTS FROM SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS INDICATE LIGHT TO MODERATE RAINS CONTINUE TO FALL OVER PORTIONS OF YAVAPAI COUNTY. RAINFALL TOTALS SINCE EARLY YESTERDAY AFTERNOON GENERALLY RANGE FROM THREE TO SIX INCHES WITH NUMEROUS REPORTS OF FLOODING AND CLOSED ROADS. RAIN WILL CONTINUE OVER THIS AREA THROUGH NOON BUT SHOULD DECREASE IN INTENSITY. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! IF FLOODING IS OBSERVED...MOVE TO HIGHER GROUND IMMEDIATELY AND DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATERS BEGIN TO RISE. &
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 26, 9:00 AM MST, 1 hour 32 minutes earlier.
Area forecast discussion, Sep 26, 9:00 AM MST, 1 hour 32 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 900 AM MST FRI SEP 26 1997 RNS PRIMARILY CONFINED TO ERN HLF OF ZN 8 AND ZN 15 ATTM WTH PCKTS OF HVY RN STILL OCCRNG. LUKS LIKE UPSLP FLW OVR THIS AREA ENHNCD BY SHRT WV ENTRNG SRN NV/SERN CA ATTM. THIS DSTRBNC SHWS UP ON SAT PIX AND INITIALIZED NCLY BY THIS AM/S ETA. SAT PIX SHW WDSPRD LOW LVL MOISTURE OVR MCH OF OUR RGN XCPT ERN SCTNS WTH HGHR...COLDER CLD TPS NOW E OF THE AREA. WTH DSTRBNC TO OUR W PROGGED TO CROSS OUR RGN TDY...WUD NT XPCT SGNFCNT IMPRVMNT WRN AND CNTRL SCTNS TIL LTR TNGT AT THE ERLYST...ESPCLLY WTH SWRLY FLW AHD OF IT. LIKELY POPS ERN YAV AND RIM CNTRY TDY LUKS GUD WTH SCTD POPS ELSWHR AS THIS DSTRBNC CROSSES THE RGN TDY. WILL UPDATE PCKG TO TWK FRST PD WRDNG...WILL ALSO LET FFA FOR ZN 8 EXPIRE AS WE ARE NOW IN A WRNG MODE. UPDATE OUT SHRTLY. KHW FLG 92- INW 42- FLG...NONE
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 7:01 PM MST | Flash Flood Warning | FGZ | Yavapai | 119 min |
| Sep 25, 8:15 PM MST | Flash Flood Warning | FGZ | Coconino | 4 hr |
| Sep 25, 8:16 PM MST | Flash Flood Warning | FGZ | Coconino | 4 hr |
| Sep 25, 9:01 PM MST | Flash Flood Warning | FGZ | Yavapai | 119 min |
| Sep 25, 11:57 PM MST | Flash Flood Warning | FGZ | Coconino | 2 hr |
| Sep 26, 2:52 AM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Sep 26, 5:54 AM MST | Flash Flood Warning | FGZ | Yavapai | 2 hr |
| Sep 26, 8:21 AM MST | Flash Flood Warning | FGZ | Yavapai | 119 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.