Alert archive / Michigan / Areal Flood Warnings in 2008

Areal Flood Warning 3, NWS Gaylord, MI

June 22, 2008Alcona County, Michigan

NWS Gaylord, MI issued this areal flood warning at Jun 22, 2008, 9:53 PM EDT for Alcona County, Michigan. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 22, 2008, 9:53 PM EDT (01:53 UTC)
Expired
Jun 23, 2008, 1:00 PM EDT
In force
15 hr
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Flood severity
None

County Alcona County, MI

The radar

The NCL Michigan radar (KAPX), 111 km from the middle of the area, began a volume at 01:53 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

Detroit, MI (KDTX), launched 00:00Z, 1.9 hours before the alert went out and 222 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, Detroit, MI at 00:00Z on 2008-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2008-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 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
33 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this areal flood warning went out at Jun 22, 7:23 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jun 22, 7:23 PM EDT, 2 hours 30 minutes before
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Hazardous weather outlook, Jun 22, 4:49 PM EDT, 5 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GAYLORD MI
449 PM EDT SUN JUN 22 2008

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-MIZ008-015>036-041-042-
231200-
STRAITS OF MACKINAC-ST IGNACE TO FALSE DETOUR CHANNEL-
MACKINAC BRDG TO PRESQUE ISLE LT-PRESQUE ISLE LT TO STURGEON PT-
STURGEON PT TO ALABASTER-GRAND TRAVERSE BAY-
SEUL CHOIX PT TO MACKINAC BRDG-NORWOOD TO MACKINAC BRDG-
SLEEPING BEAR PT TO GRAND TRAVERSE LT-PT BETSIE TO SLEEPING BEAR PT-
MANISTEE TO PT BETSIE-WHITEFISH BAY-ST. MARYS RIVER-CHIPPEWA-
MACKINAC-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-
449 PM EDT SUN JUN 22 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON...LAKE
MICHIGAN...LAKE SUPERIOR...EASTERN UPPER MICHIGAN AND NORTHERN LOWER
MICHIGAN.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL PERSIST ACROSS NORTHERN LOWER MICHIGAN THROUGH
AROUND 9 PM THIS EVENING...WITH THE BEST COVERAGE OF THUNDERSTORMS
ACROSS NORTHEAST LOWER MICHIGAN. STRONGEST STORMS MAY PRODUCE
QUARTER SIZE HAIL OR LARGER.  LOCALLY HEAVY RAINFALL IS ALSO
POSSIBLE...WHICH COULD RESULT IN RAPID FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SCATTERED THUNDERSTORMS WILL ONCE AGAIN BE POSSIBLE MONDAY
AFTERNOON...MAINLY EAST OF A LINE FROM ALPENA TO HOUGHTON LAKE.
STRONGEST STORMS MAY PRODUCE PENNY SIZE HAIL.

THUNDERSTORMS ARE AGAIN POSSIBLE WEDNESDAY AND FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS...PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

ADAM

In the hours before

Local storm report, Jun 22, 6:10 PM EDT, 3 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
610 PM EDT SUN JUN 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     HAIL             1 E BRUTUS              45.50N 84.73W
06/22/2008  M0.75 INCH       EMMET              MI   TRAINED SPOTTER

&&

SWR
Local storm report, Jun 22, 6:47 PM EDT, 3 hours 6 minutes before
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Local storm report, Jun 22, 7:02 PM EDT, 2 hours 51 minutes before
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Local storm report, Jun 22, 7:26 PM EDT, 2 hours 27 minutes before
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Local storm report, Jun 22, 7:55 PM EDT, 1 hour 58 minutes before
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Local storm report, Jun 22, 7:59 PM EDT, 1 hour 54 minutes before
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Nearby

Areal Flood Warnings in Michigan, 2008Every areal flood warning in 2008

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.