Flash Flood Warning 39, NWS Flagstaff, AZ

Issued

Sep 15, 1997, 12:40 PM MST (19:40 UTC)

Expired

Sep 15, 1997, 1:25 PM MST

In force

45 min

Issued by

NWS Flagstaff, AZ

Area

Whole counties

County Apache County, AZ

The Flagstaff radar (KFSX), 181 km from the middle of the area, began a volume at 19:43 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.

000 
TTAA00 KFLG 151940
FFWFLG
AZC001-152140-

BULLTIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1240 PM MST MON SEP 15 1997

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF AZ HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 125 PM MST
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 240 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN ARIZONA

   ...SOUTHERN APACHE COUNTY

AT 1237 MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 5 MILES NORTH OF SPRINGERVILLE. THE STORM WAS
MOVING SLOWLY TO THE NORTH AT 5 MPH.

RADAR ESTIMATES OVER 1 AND 1/2 INCHES OF RAIN HAS FALLEN IN THE
LAST HOUR OVER THE LITTLE COLORADO RIVER NEAR SPRINGERVILLE.

PEOPLE IN SPRINGERVILLE...EAGER AND LYMAN LAKE STATE PARK SHOULD
SEEK SHELTER IF THIS STORM APPROACHES.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY OR THE jROADBED MAY NOT BE INTACT. VEHICLES CAUGHT IN
RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood warning went out at Sep 15, 9:11 AM MST, 3 hours 29 minutes earlier.

NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
900 AM MST MON SEP 15 1997

SAT IMGRY SHWS MID/HGH LVL MOISTURE FRM LINDA CONTS TO BE CAUGHT UP
IN THE SWRLY FLW AND PULLED NEWRD ACRS OUR RGN.  MESO ETA AND NEW ETA
CLRLY SHW WK DSTRBNC OVR NWRN AZ ERLY THIS AM WHCH IS ENHANCING
ACTVTY ACRS NRN AZ ATTM.  THIS SYS PROGGED TO BE KCKD NEWRD INTO SWRN
CO BY 00Z THIS EVE AS STRNG SHRT WV RTNG AROUND BASE OF TROF OVR THE
PAC NW MOVES INTO W CNTRL UT LTR TDY.  THIS WILL ALLOW THE TROF IN
THE NW TO FINALLY OPEN UP AND MOVE EWRD INTO THE NRN PLNS.  XPCT THIS
TO LWR HGHTS AND PROVIDE A MORE PRONOUNCED SWRLY FLW ALFT OVER MAINLY
NRN AZ BY TOMORROW AS UPPR RDG OVR THE SW IS SUPPRESSED TO THE S.
THIS MAY CUT DWN ON ACTVTY SIGNIFICANTLY OVR THE FAR N AND NW
TOMORROW BUT ALWYS TKS SM TM TO COMPLETELY DRY OUT THE LWR LVLS SO
WILL NOT BE TOO QUICK TO DRY THNGS OUT UP THERE.  WILL TK A BTTR LUK
AT THIS FOR THE AFTN PCKG.

IN THE MEANTM...WTH DEEP MOISTURE AXS LYNG SW-NE ACRS MCH OF OUR RGN
XPCT ANTHR RTHR ACTV DY ACRS OUR CWA TDY.  FRST WK SYS WILL EXIT THE
NE LTR TDY BUT GUD UVV AHD OF STRNGR SYS SLIDING ACRS NV INTO WRN UT
LTR TDY WILL HLP TO KP THNGS GOING ESPCLLY WRN AND NRN SCTNS.  FFA
LUKS GUD FOR TDY FOR THESE SCTNS.  OTHR AREAS SHUD SEE MDT AMNT OF
ACTVTY TDY WTH SCT SHWRS AND EMBD TSTMS...THO EXTNSV CLD CVR MAY
INHIBIT STRNG CONVECTION.  NO UPDATES PLANNED.  KHW

FLG 545  INW 333
FLG...FLASH FLOOD WATCH ZONES 4>8 TIL 04Z.

Flash Flood Warnings in Arizona, 1997Every flash flood warning in 1997

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.