Alert archive / Michigan / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Detroit, MI

May 9, 1996Wayne County, Michigan

NWS Detroit, MI issued this flash flood warning at May 9, 1996, 3:57 PM EDT for Wayne County, Michigan. It was in force for 4 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: May 9, 1996, 3:57 PM EDT (19:57 UTC)
Expired: May 9, 1996, 8:00 PM EDT
In force: 4 hr
Issued by: NWS Detroit, MI
Area: Whole counties

County Wayne County, MI

The radar

The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 20:01 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

Alpena, MI (KAPX), launched 12:00Z, 8.0 hours before the alert went out and 317 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 503 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDTX 092000
FFWDTX
MIC093-125-161-163-100000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
357 PM EDT THU MAY 9 1996
 
...FLOOD WARNING FOR URBAN AND SMALL STREAMS...
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR URBAN AND
SMALL STREAMS EFFECTIVE UNTIL 8 PM FOR LIVINGSTON...WASHTENAW...OAKLAND
...AND WAYNE COUNTIES.  THIS INCLUDES THE COMMUNITIES OF HOWELL...ANN
ARBOR...PONTIAC...AND DETROIT.  THUNDERSTORMS HAVE MOVED THROUGH THESE
AREAS DURING THE AFTERNOON...PRODUCING HEAVY DOWNPOURS AND SOME MINOR
FLOODING ON STREETS.  FOR THE REST OF THE AFTERNOON AND INTO THIS
EVENING...THUNDERSTORMS WILL CONTINUE.  BRIEFLY HEAVY RAINFALL WILL
OCCUR WITH THE STORMS.
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 1.5 TO 2 INCHES OF
RAIN LIKELY HAD FALLEN IN AREAS ALONG THE LIVINGSTON/WASHTENAW COUNTY
BORDER...EAST INTO EXTREME SOUTHWEST OAKLAND COUNTY NEAR SOUTH LYON.
FARTHER EAST...RAINFALL AMOUNTS WERE ESTIMATED BY RADAR TO BE AROUND AN
INCH ALONG THE OAKLAND/WAYNE COUNTY BORDER.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLE^S CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
DJF

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.

In the hours before

Special weather statement, May 9, 11:11 AM EDT, 4 hours 46 minutes before

MIZ037>083-091800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1111 AM EDT THU MAY 9 1996

...THE DENSE FOG ADVISORY FOR MUCH OF THE SOUTHERN HALF OF LOWER
MICHIGAN HAS BEEN CANCELLED...

DENSE FOG WHICH COVERED MUCH OF THE SOUTHERN HALF OF LOWER MICHIGAN
THIS MORNING HAS STARTED TO LIFT. AS OF 11 AM...VISIBILITIES AT MOST
REPORTING STATIONS IN SOUTHERN LOWER MICHIGAN HAVE IMPROVED TO A MILE
OR BETTER. THE FOG WILL CONTINUE TO DISCIPATE AS THE WE PROGRESS INTO
THE AFTERNOON.

MOTORISTS SHOULD ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS THIS
AFTERNOON. KEEP A LARGE DISTANCE BETWEEN YOUR VEHICLE AND ANY OTHER
NEARBY VEHICLES. STAY TUNED TO THIS STATION FOR FURTHER UPDATES.

DLK

Special weather statement, May 9, 11:38 AM EDT, 4 hours 19 minutes before

MIZ042>083-100500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1138 AM EDT WED MAY 9 1996

...SEVERE WEATHER POTENTIAL STATEMENT FOR MICHIGAN...

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON ACROSS THE SOUTH
HALF OF LOWER MICHIGAN. A STATIONARY FRONT LIES FROM SOUTHWEST KANSAS
TO CENTRAL IOWA AND EASTWARD TO NORTH CENTRAL OHIO THIS MORNING. A LOW
PRESSURE CENTER OVER WESTERN KANSAS IS EXPECTED TO MOVE ALONG THIS
FRONTAL ZONE AND POSSIBLY PRODUCE THUNDERSTORMS ACROSS THE SOUTHERN HALF
OF LOWER MICHIGAN LATER THIS AFTERNOON. SCATTERED THUNDERSTORMS MAY
EXTEND INTO THE EVENING HOURS. THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO FOR THE LATEST
INFORMATION SHOULD THERE BE A CHANGE IN THE THREAT OF SEVERE WEATHER IN
THE SOUTH HALF OF LOWER MICHIGAN.

DLK

Special weather statement, May 9, 2:14 PM EDT, 1 hour 43 minutes before

MIZ042>083-100500-

SPECIAL WEATHER STATEMENT...UPDATED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
210 PAM EDT WED MAY 9 1996

...SEVERE WEATHER POTENTIAL STATEMENT FOR SOUTH HALF OF LOWER MICHIGAN...

THERE IS A CHANCE OF SEVERE THUNDERSTORMS THIS AFTERNOON SOUTH A LINE
FROM MUSKEGON TO BAY CITY. AT 204 PM DIME SIZE HAIL WAS REPORTED ON
M-59 ON THE OAKLAND...LIVINGSTON COUNTY LINE. THESE STORMS ARE MOVING
TO THE EAST AT 35 MPH AND MAY CONTAINj SMALL HAIL AND GUSTS TO 40 MPH.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO FOR THE LATEST
INFORMATION SHOULD THERE BE A CHANGE IN THE THREAT OF SEVERE WEATHER IN
THE SOUTH HALF OF LOWER MICHIGAN.

DLK

Local storm report, May 9, 2:59 PM EDT, 58 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PONTIAC/DETROIT MI
259 PM EDT THU MAY 9 1996

TIME (EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS............
            ....COUNTY LOCATION....

200 PM     HIGHLAND                   MI  .75 INCH HAIL
5/9/96     OAKLAND                        REPORTED BY OAKLAND CO.
                                          EMERGENCY MANAGEMENT.

210 PM     WEST BLOOMFIELD.           MI  .75 INCH HAIL
5/9/96     OAKLAND                        REPORTED BY PUBLIC.

ZELL

Local storm report, May 9, 3:05 PM EDT, 52 minutes before

LOCAL STORM REPORT...CORRECTED LOCATION...
NATIONAL WEATHER SERVICE PONTIAC/DETROIT MI
305 PM EDT THU MAY 9 1996

TIME (EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS............
            ....COUNTY LOCATION....

200 PM     HIGHLAND                   MI  .75 INCH HAIL
5/9/96     OAKLAND                        REPORTED BY OAKLAND CO.
                                          EMERGENCY MANAGEMENT.

210 PM     HIGHLAND                   MI  .75 INCH HAIL
5/9/96     OAKLAND                        REPORTED BY PUBLIC.

ZELL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 2:05 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	40 min
May 9, 3:17 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Washtenaw	58 min
May 9, 3:43 PM EDT	Severe Thunderstorm Warning	DTX	Oakland, Wayne	62 min
May 9, 3:57 PM EDT	Flash Flood Warning	DTX	Livingston, Oakland, Washtenaw	4 hr
May 9, 5:20 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	55 min
May 9, 6:16 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	59 min

Nearby

Flash Flood Warnings in Michigan, 1996 Every flash flood warning in 1996

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.