Alert archive / Michigan / Flash Flood Warnings in 2007

Flash Flood Warning 1, NWS Gaylord, MI

July 5, 2007Alpena County, Michigan

NWS Gaylord, MI issued this flash flood warning at Jul 5, 2007, 4:18 PM EDT for Alpena County, Michigan. It was in force for 117 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 5, 2007, 4:18 PM EDT (20:18 UTC)
Expired
Jul 5, 2007, 6:15 PM EDT
In force
117 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Alpena County, MI

The radar

The NCL Michigan radar (KAPX), 101 km from the middle of the area, began a volume at 20:18 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.

What was reported inside it

TimeReportWhereRemark
Jul 5, 4:28 PM EDTFLASH FLOODAlpena, MI2.17 INCHES OF RAIN IN THE PAST 50 MINUTES

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 8.3 hours before the alert went out and 83 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.

Skew-T log-pSkew-T log-p diagram, Alpena, MI at 12:00Z on 2007-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2007-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1661 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KAPX 052020
FFWAPX
MIC007-052215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
418 PM EDT THU JUL 5 2007

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALPENA COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 615 PM EDT

* AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM A SERIES OF THUNDERSTORMS OVER THE WARNED AREA.
  TWO TO THREE INCHES OF RAIN HAS FALLEN IN A BAND FROM NEAR LONG 
  RAPIDS...TO THE ALPENA REGIONAL AIRPORT...AND ON TO THE CITY OF 
  ALPENA. ADDITIONAL THUNDERSTORMS ARE DEVELOPING FURTHER WEST AND
  NORTHWEST...AND WILL BRING ADDITIONAL HEAVY RAIN TO THE SAME AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONG
  RAPIDS...LACHINE...CATHRO AND ALPENA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4508 8386 4493 8345 4512 8328 4520 8381

$$


JZ
4 follow-up statements
000
WGUS73 KAPX 052042
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
442 PM EDT THU JUL 5 2007

MIC007-052215-
ALPENA MI-
442 PM EDT THU JUL 5 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
ALPENA COUNTY...

AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN.  THESE STORMS WERE 
LOCATED FROM NEAR LACHINE AND LONG RAPIDS...TO THE ALPENA AIRPORT 
AND PARTRIDGE POINT.

DOPPLER RADAR RAINFALL ESTIMATES BETWEEN 2 AND 4 INCHES OF RAIN HAVE 
FALLEN BETWEEN LONG RAPIDS AND THE WEST SIDE OF THE CITY OF ALPENA. 
THE ALPENA AIRPORT MEASURED 2.40 INCHES OF RAIN IN THE LAST HOUR 
THROUGH 440 PM. SMALL CREEKS AND STREAMS IN THIS AREA WILL LIKELY 
RISE OUT OF THEIR BANKS AND FLOOD.

AFFECTED CREEKS AND STREAMS INCLUDE...BEAR CREEK...KING CREEK... 
MCLARY CREEK...AND THE LOWER REACHES OF THE LOWER SOUTH BRANCH OF 
THE THUNDER BAY RIVER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 4508 8386 4493 8345 4512 8328 4520 8381

$$


JZ
000
WGUS73 KAPX 052125
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
525 PM EDT THU JUL 5 2007

MIC007-052215-
ALPENA MI-
525 PM EDT THU JUL 5 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
ALPENA COUNTY...

AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT SHOWERS AND THUNDERSTORMS IN ALPENA WERE SLOWLY WEAKENING AND 
MOVING SOUTHWARD. HOWEVER...VERY HEAVY RAIN FELL LATE THIS AFTERNOON 
FROM LONG RAPIDS AND LACHINE...TO THE ALPENA AIRPORT AND THE 
SOUTHWEST SIDE OF THE CITY OF ALPENA. RUNOFF PROBLEMS ARE STILL 
LIKELY FROM THIS HEAVY RAIN.

DOPPLER RADAR RAINFALL ESTIMATES BETWEEN TWO AND FOUR INCHES HAVE 
FALLEN OVER THIS REGION. THE ALPENA AIRPORT MEASURED 2.57 INCHES OF 
RAIN LATE THIS AFTERNOON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. AFFECTED CREEKS AND STREAMS 
INCLUDE...BEAR CREEK...KING CREEK... MCLARY CREEK...AND THE LOWER 
REACHES OF THE LOWER SOUTH BRANCH OF THE THUNDER BAY RIVER.

LAT...LON 4503 8385 4489 8343 4512 8328 4520 8381

$$


JZ
000
WGUS73 KAPX 052154
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
553 PM EDT THU JUL 5 2007

MIC007-052215-
ALPENA MI-
553 PM EDT THU JUL 5 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
ALPENA COUNTY...

AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM PRODUCING LOCALLY HEAVY RAIN...NEAR AND WEST OF 
LACHINE... MOVING SOUTHEAST AT 15 MPH. THIS THUNDERSTORM...WHEN 
COMBINED WITH THE 2 TO 4 INCHES OF RAIN THAT FELL FROM LONG RAPIDS 
AND LACHINE EASTWARD TO ALPENA AIRPORT AND PARTRIDGE POINT...WILL 
MAINTAIN A THREAT FOR FLASH FLOODING. HOWEVER...AT 545 PM...LOCAL 
LAW ENFORCEMENT REPORTED NO ONGOING FLOODING PROBLEMS.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER 
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE. TO ESCAPE RISING 
WATER MOVE UP TO HIGHER GROUND.

LAT...LON 4503 8385 4489 8343 4512 8328 4520 8381

$$


JZ
000
WGUS73 KAPX 052214
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
613 PM EDT THU JUL 5 2007

MIC007-052223-
ALPENA MI-
613 PM EDT THU JUL 5 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 615 PM EDT FOR ALPENA
COUNTY...

AT 610 PM...ALPENA COUNTY OFFICIALS REPORTED NO FLOODING PROBLEMS IN 
THE COUNTY. THUNDERSTORMS WILL CONTINUE TO DIMINISH THIS 
EVENING...WITH LOCAL RAINFALL AMOUNTS UP TO HALF AN INCH. THIS 
SHOULD NOT RESULT IN FLOODING PROBLEMS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER INFORMATION.

LAT...LON 4503 8385 4489 8343 4512 8328 4520 8381

$$


JZ

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 2:27 PM EDTSevere Thunderstorm WarningAPXChippewa53 min
Jul 5, 2:43 PM EDTSpecial Marine WarningAPX46 min
Jul 5, 3:19 PM EDTSevere Thunderstorm WarningAPXMontmorency41 min
Jul 5, 3:32 PM EDTSevere Thunderstorm WarningAPXAlpena58 min
Jul 5, 3:33 PM EDTSpecial Marine WarningAPX87 min
Jul 5, 4:07 PM EDTSpecial Marine WarningAPX50 min
Jul 5, 4:27 PM EDTSevere Thunderstorm WarningAPXAlpena36 min
Jul 5, 4:47 PM EDTSevere Thunderstorm WarningAPXArenac14 min

Nearby

Flash Flood Warnings in Michigan, 2007Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.