Flash Flood Warning 6, NWS Gaylord, MI

Issued

Jul 31, 1999, 1:34 AM EDT (05:34 UTC)

Expired

Jul 31, 1999, 4:30 AM EDT

In force

3 hr

Issued by

NWS Gaylord, MI

Area

Whole counties

County Mackinac County, MI

The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 05:36 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 KAPX 310536
FFWAPN
MIC097-310830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
134 AM EDT SAT JUL 31 1999

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MACKINAC COUNTY IN EASTERN UPPER MICHIGAN

* UNTIL 430 AM EDT

* AT 130 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA
  OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN OVER CENTRAL
  AND EASTERN UPPER MICHIGAN. INDIVIDUAL STORM CELLS WERE MOVING
  NORTHEAST AROUND 30 MPH...WITH THE LINE OF STORMS MOVING EAST AT
  30 MPH AS WELL.

* RAINFALL AMOUNTS BETWEEN 3 AND 3.5 INCHES HAD ACCOMPANIED STORMS
  OVER WESTERN MACKINAC COUNTY THROUGH 130 AM...WITH ADDITIONAL
  SHOWERS AND THUNDERSTORMS TO AFFECT THIS REGION THROUGH 300 AM.
  SIGNIFICANT PONDING OF WATER ON ROADWAYS IS EXPECTED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

HURLEY

NWS Gaylord, MI wrote its last area forecast discussion before this flash flood warning went out at Jul 31, 12:10 AM EDT, 1 hour 24 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GAYLORD MI
1210 AM EDT SAT JUL 31 1999

WILL UPDATE ALL ZONES TO HEADLINE SEVERE THUNDERSTORM WATCH IN
EFFECT UNTIL 5 AM EDT. GIVEN UPSTREAM COVERAGE OF TSTMS AND HIGH
PWAT...WILL GO WITH CATEGORICAL POPS AND WILL MENTION HEAVY RAIN
POSSIBLE ALL SECTIONS.

.APX...SEVERE THUNDERSTORM WATCH ALL COUNTIES UNTIL 5 AM EDT.

ROWLEY

In the hours before

MIZ008-015>036-041-042-310900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1157 PM EDT FRI JUL 30 1999

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE THROUGH 500 AM FOR THE FOLLOWING LOCATIONS...

IN UPPER MICHIGAN

   ...CHIPPEWA... MACKINAC

IN LOWER MICHIGAN

   ...EMMET... CHEBOYGAN... PRESQUE ISLE... CHARLEVOIX... LEELANAU
   ...ANTRIM... OTSEGO... MONTMORENCY... ALPENA... BENZIE
   ...GRAND TRAVERSE... KALKASKA... CRAWFORD... OSCODA... ALCONA
   ...MANISTEE... WEXFORD... MISSAUKEE... ROSCOMMON... OGEMAW... IOSCO
   ...GLADWIN... ARENAC

A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDING FROM CENTRAL UPPER
MICHIGAN TO EASTERN WISCONSIN AT MIDNIGHT WILL MOVE EAST AROUND
30 MPH AND REACH A SAULT STE MARIE TO CHARLEVOIX TO TRAVERSE CITY LINE
BETWEEN 200 AND 400 AM. THESE THUNDERSTORMS WILL THEN CONTINUE EAST
AND AFFECT NORTH CENTRAL AND NORTHEAST LOWER MICHIGAN TOWARD DAYBREAK.

THE PRIMARY SEVERE WEATHER THREAT FROM THESE SQUALL LINE THUNDERSTORMS
WILL BE WITH DAMAGING WIND GUSTS BETWEEN 60 AND 70 MPH.

A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE
IN AND NEAR THE WATCH AREA. PERSONS SHOULD REMAIN ALERT FOR
THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO...COMMERCIAL
RADIO...OR TELEVISION FOR FURTHER INFORMATION.

HURLEY

Flash Flood Warnings in Michigan, 1999Every flash flood warning in 1999

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.