Alert archive / Michigan / Flash Flood Warnings in 1997
Flash Flood Warning 10, NWS Detroit, MI
NWS Detroit, MI issued this flash flood warning at Jul 2, 1997, 7:30 PM EDT for Macomb County, Wayne County, Michigan. It was in force for 3 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
- Jul 2, 1997, 7:30 PM EDT (23:30 UTC)
- Expired
- Jul 2, 1997, 10:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Macomb County, MI, Wayne County, MI
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.5 hours before the alert went out and 39 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.
- Mixed-layer CAPE
- 103 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDTX 022339 FFWDTX MIC163-099-030230- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 730 PM EDT WED JUL 2 1997 ...A FLOOD WARNING IS IN EFFECT FOR NORTHERN WAYNE AND SOUTHERN MACOMB COUNTY UNTIL 1030 PM... AT 720 PM...DOPPLER RADAR SHOWED A BROAD BAND OF 2 TO 3 INCHES OF RAIN OVER NORTHERN WAYNE AND MACOMB COUNTY. THE BAND EXTENDS FROM PLYMOUTH TO HAMTRAMCK AND NORTH TO AROUND UTICA. FLOODING HAS BEEN REPORTED THOUGHOUT THIS AREA. SCATTERED THUNDERSTORMS WERE STILL DEVELOPING AROUND THE AREA AND ANY ADDITIONAL RAINFALL WILL AGGRAVATE THE EXISTING FLOODING SITUATION. SMALL STREAMS...CREEKS AND DRAINAGE DITCHES WILL CONTINUE TO FLOOD OR RUN HIGH THIS EVENING. 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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY AND PERSONS SHOULD SEEK HIGHER GROUNDS. COSTELLO
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, Jul 2, 1:30 PM EDT, 6 hours before
MIZ047>049-053>055-060>063-068>070-075-076-082-083-021900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 130 PM EDT WED JUL 02 1997 ...TORNADO WATCH 553 IS IN EFFECT UNTIL 800 PM... TORNADO WATCH NUMBER 553 IS IN EFFECT FOR ALL OF SOUTHEAST MICHIGAN UNTIL 800 PM. THIS INCLUDES THE FOLLOWING COUNTIES... BAY MIDLAND SAGINAW TUSCOLA HURON SANILAC LAPEER GENESSEE SHIAWASSEE ST CLAIR MACOMB OAKLAND LIVINGSTON WASTENAW WAYNE LENAWEE MONROE AT 130 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS DEVELOPING IN CENTRAL LOWER MICHIGAN FROM CADILLAC TO JUST NORTH OF GRAND RAPIDS. THIS LINE IS EXPECTED TO CONTINUE BUILDING SOUTH DURING THE AFTERNOON WITH THE INDIVIDUAL STORMS MOVING EAST AT 35 MPH. THIS ACTIVITY WILL LIKELY REACH MIDLAND COUNTY BY 300 PM AND THEN POINTS SOUTH AND EAST INTO THE REST OF SOUTHEAST MICHIGAN LATER IN THE AFTERNOON INTO THIS EVENING. A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORM DEVELOPMENT IS LIKELY IN THE WATCH AREA WITH THE POSSIBILITY OF TORNADOES. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER IF THUNDERSTORMS APPROACH. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION...OR CABLE TELEVISION OUTLETS FOR LATER UPDATES AND POSSIBLE SEVERE WEATHER WARNINGS. BT
Special weather statement, Jul 2, 1:33 PM EDT, 5 hours 57 minutes before
MIZ047>049-053>055-060>063-068>070-075-076-082-083-021900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 130 PM EDT WED JUL 02 1997 ...TORNADO WATCH 553 IS IN EFFECT UNTIL 800 PM... TORNADO WATCH NUMBER 553 IS IN EFFECT FOR ALL OF SOUTHEAST MICHIGAN UNTIL 800 PM. THIS INCLUDES THE FOLLOWING COUNTIES... BAY MIDLAND SAGINAW TUSCOLA HURON SANILAC LAPEER GENESSEE SHIAWASSEE ST CLAIR MACOMB OAKLAND LIVINGSTON WASTENAW WAYNE LENAWEE MONROE AT 130 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS DEVELOPING IN CENTRAL LOWER MICHIGAN FROM CADILLAC TO JUST NORTH OF GRAND RAPIDS. THIS LINE IS EXPECTED TO CONTINUE BUILDING SOUTH DURING THE AFTERNOON WITH THE INDIVIDUAL STORMS MOVING EAST AT 35 MPH. THIS ACTIVITY WILL LIKELY REACH MIDLAND COUNTY BY 300 PM AND THEN POINTS SOUTH AND EAST INTO THE REST OF SOUTHEAST MICHIGAN LATER IN THE AFTERNOON INTO THIS EVENING. A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORM DEVELOPMENT IS LIKELY IN THE WATCH AREA WITH THE POSSIBILITY OF TORNADOES. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER IF THUNDERSTORMS APPROACH. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION...OR CABLE TELEVISION OUTLETS FOR LATER UPDATES AND POSSIBLE SEVERE WEATHER WARNINGS. BT
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 3:05 PM EDT | Tornado Warning | DTX | Saginaw | 40 min |
| Jul 2, 3:31 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 44 min |
| Jul 2, 3:46 PM EDT | Tornado Warning | DTX | Saginaw | 29 min |
| Jul 2, 4:01 PM EDT | Tornado Warning | DTX | Genesee, Shiawassee | 44 min |
| Jul 2, 4:15 PM EDT | Tornado Warning | DTX | Saginaw | 30 min |
| Jul 2, 4:39 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 51 min |
| Jul 2, 4:46 PM EDT | Tornado Warning | DTX | Genesee | 29 min |
| Jul 2, 4:55 PM EDT | Tornado Warning | DTX | Livingston | 35 min |
| Jul 2, 5:01 PM EDT | Tornado Warning | DTX | Lapeer | 44 min |
| Jul 2, 5:21 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 54 min |
| Jul 2, 5:35 PM EDT | Tornado Warning | DTX | Livingston, Washtenaw | 35 min |
| Jul 2, 5:40 PM EDT | Tornado Warning | DTX | Oakland | 30 min |
| Jul 2, 5:48 PM EDT | Tornado Warning | DTX | Wayne | 42 min |
| Jul 2, 6:20 PM EDT | Tornado Warning | DTX | Macomb, Saint Clair | 25 min |
| Jul 2, 6:29 PM EDT | Tornado Warning | DTX | Wayne | 31 min |
| Jul 2, 7:01 PM EDT | Tornado Warning | DTX | Wayne | 29 min |
Nearby
Flash Flood Warnings in Michigan, 1997Every flash flood warning in 1997
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.